CN115420562B - A method for online carbon monitoring and the equipment used therein - Google Patents
A method for online carbon monitoring and the equipment used thereinInfo
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- CN115420562B CN115420562B CN202211220970.3A CN202211220970A CN115420562B CN 115420562 B CN115420562 B CN 115420562B CN 202211220970 A CN202211220970 A CN 202211220970A CN 115420562 B CN115420562 B CN 115420562B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/26—Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
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- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
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Abstract
本发明提供了一种碳在线监测方法及其使用的设备，属于环境监测的技术领域。本发明包括步骤S1，多点采样；步骤S2，样本混合；步骤S3，样本过滤；步骤S4，样本干燥；步骤S5，含量检测；步骤S6，数据处理；通过同时选取不同高度的若干个气体样本，再将若干个气体样本通入至同一混合装置的混合腔内进行充分混合，再将混合后的气体样本依次经过过滤装置进行过滤、通过干燥装置进行除湿干燥，有效清除气体样本中的杂质和水分，避免了监测过程中出现干扰的问题，提升了监测结果的准确性，并且，选用带有支架、升降组件、混合装置、过滤装置、除湿装置以及监测装置的设备能提升了检测便利性，且设备结构简单，使用方便，利于碳在线监测。
This invention provides a method for online carbon monitoring and the equipment used therein, belonging to the technical field of environmental monitoring. The invention includes steps S1, multi-point sampling; S2, sample mixing; S3, sample filtration; S4, sample drying; S5, content detection; and S6, data processing. By simultaneously selecting several gas samples at different heights, and then introducing these gas samples into the mixing chamber of the same mixing device for thorough mixing, the mixed gas samples are sequentially filtered and dried using a filtration device. This effectively removes impurities and moisture from the gas samples, avoiding interference during monitoring and improving the accuracy of the monitoring results. Furthermore, the use of equipment with a support frame, lifting assembly, mixing device, filtration device, dehumidification device, and monitoring device enhances the convenience of detection. The equipment has a simple structure, is easy to use, and is beneficial for online carbon monitoring.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to a carbon on-line monitoring method and equipment used by the same.
Background
Carbon dioxide is used as a main component of air, is a main monitoring index in environmental assessment, and is a main data support for reflecting environmental carbon content. At present, the existing carbon dioxide monitoring method in the market mainly adopts a carbon dioxide sensor to detect the collected gas sample, and calculates the concentration of carbon dioxide in the air, so as to meet the monitoring requirement. However, in the actual monitoring process, many interference components exist in the gas sample, such as impurities and moisture contained in the gas sample, and in the using process, the impurities and the like can be adsorbed on the probe, and the moisture and the like can influence the accuracy of the carbon dioxide sensor, so that the monitoring result has deviation. In addition, the existing sampling point only samples once in the unit time of the same area, and the data obtained by real-time monitoring cannot accurately represent the carbon dioxide concentration in the current environment due to the difference of the carbon dioxide concentrations at different positions in the air, so that the problem of inaccurate monitoring results exists.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a carbon on-line monitoring method and equipment used by the same, so as to select a plurality of gas samples in the vertical direction, then, introducing the plurality of gas samples into the same mixing cavity for full mixing, filtering and drying the mixed gas samples, removing interference impurities affecting the monitoring precision in the gas samples, improving the accuracy of the monitoring result, and in addition, the monitoring equipment with a lifting assembly, a mixing device, a filtering device and a dehumidifying device is arranged to meet the use requirements of multipoint sampling, sample mixing, sample filtering and sample drying.
The specific technical scheme is as follows:
a carbon on-line monitoring method comprises the following steps:
step S1, multipoint sampling;
simultaneously collecting a plurality of gas samples in different height ranges, and controlling the collecting speed and the collecting time of each gas sample to be identical;
s2, mixing samples;
Simultaneously conveying a plurality of gas samples acquired in the step S1 to a mixing device for full mixing to obtain a mixed sample, and waiting for subsequent use;
S3, filtering samples;
filtering the mixed sample obtained in the step S2 through a filtering device to remove impurities in the mixed sample, thereby obtaining a preliminary mixed sample;
s4, drying the sample;
introducing the preliminary mixed sample obtained in the step S3 into a dehumidifying device for drying treatment, and removing the moisture in the preliminary mixed sample to obtain a final mixed sample;
s5, detecting the content;
introducing the final mixed sample obtained in the step S4 into a monitoring device provided with a carbon dioxide sensor for content monitoring to obtain carbon dioxide concentration data in the environment;
s6, data processing;
repeating the steps S1-S5 for a plurality of times to obtain a plurality of carbon dioxide concentration data, and obtaining the accurate carbon dioxide concentration by adopting a calculation method of multi-sample statistics averaging.
In the above-mentioned carbon on-line monitoring method, when the gas sample is collected in step S1, sampling tubes with different heights need to be arranged first, and after the arrangement of the sampling tubes is completed, the sampling tubes are left for 5 minutes, and then the collection is started.
An apparatus for on-line monitoring of carbon use, having the features comprising:
the bracket is arranged in the area to be monitored;
The lifting assembly is arranged on the bracket, the lifting assembly performs lifting motion along the vertical direction, and meanwhile, a plurality of acquisition holes which are arranged at intervals are arranged on the lifting assembly along the vertical direction, and the distance between two adjacent acquisition holes is gradually increased or decreased along with the lifting of the lifting assembly;
The mixing device is arranged on the bracket, the mixing device is provided with a gas mixing box and a gas mixing fan, the gas mixing box is provided with a gas mixing cavity, the gas mixing box is provided with a plurality of first air inlets and a first air outlet which are communicated with the gas mixing cavity, the plurality of first air inlets are connected with the plurality of collecting holes one by one through pipelines, and the gas mixing fan is arranged in the gas mixing cavity and the blowing direction is the direction facing the first air outlet;
The filter device is arranged on the bracket and comprises a filter box, a primary filter screen and a secondary filter screen, the filter box is provided with a filter cavity, the filter box is provided with a second air inlet and a second air outlet which are communicated with the filter cavity, the second air inlet is communicated with the first air outlet, the primary filter screen and the secondary filter screen are sequentially arranged in the filter cavity along the direction from the second air inlet to the second air outlet, the primary filter screen and the secondary filter screen are both provided with rotating parts, meanwhile, a lifting baffle and a cleaning brush are arranged between the primary filter screen and the secondary filter screen, a cleaning brush is also arranged between the secondary filter screen and the second air outlet, and drain holes are formed in the filter box and between the primary filter screen and the lifting baffle and between the secondary filter screen and the second air outlet;
The dehumidifying device is arranged on the bracket and comprises a dehumidifying box, dehumidifying tracks, discharging boxes and a dehumidifying driver, wherein the dehumidifying box is provided with a dehumidifying cavity with a third air inlet and a third air outlet, the third air inlet is communicated with the second air outlet, the third air outlet is communicated with the monitoring device, the dehumidifying tracks are arranged at two ends of the dehumidifying box, one side of the dehumidifying track penetrates through the dehumidifying cavity, meanwhile, the dehumidifying tracks are provided with a plurality of discharging boxes, a drying agent is placed in each discharging box, and the dehumidifying tracks are in power connection with the dehumidifying driver;
The monitoring device is arranged on the support and comprises a monitoring box and a carbon dioxide sensor, the monitoring box is provided with a fourth air inlet and a fourth air outlet, the fourth air inlet is communicated with the third air outlet, and the carbon dioxide sensor is arranged in the monitoring box.
The above-mentioned equipment that carbon on-line monitoring used, wherein, the jack that communicates the filter chamber has all been seted up on the rose box and be located around primary filter screen and the secondary filter screen, the slip is inserted in each jack and is equipped with a picture peg, the one end of picture peg extends to in the filter chamber and be provided with sealed pad on the terminal surface, and the slot that corresponds with the jack has all been seted up on the side of primary filter screen and secondary filter screen, when the picture peg is taken out in the jack and is inserted, the picture peg inserts the one end in the filter chamber and inserts in the slot that corresponds and support tightly or deviate from in the slot that corresponds through sealed pad.
The above-mentioned equipment that carbon on-line monitoring used, wherein, the cleaning brush includes round brush and elevating system, and elevating system sets up on the rose box, and the round brush rotates to be installed on elevating system, and the one side of round brush and the surface contact of corresponding primary filter screen or secondary filter screen, simultaneously, the opposite side of the round brush of cleaning brush that corresponds with primary filter screen still with the surface contact of lifting baffle.
The above-mentioned equipment that carbon on-line monitoring used, wherein, elevating system includes the guide slot, the slider, rack, gear and lift driver, the guide slot is arranged along vertical direction, the slider slides and locates in the guide slot, the pivot of round brush is installed on the slider, simultaneously, be provided with a rack along vertical direction on the slider, the rack lower extreme is connected with the slider, the upper end of rack stretches out outside the rose box, lift driver installs outside the rose box, the gear is installed in lift driver's drive shaft and with the rack meshing.
The above-mentioned equipment that carbon on-line monitoring used, wherein, lifting baffle includes a plurality of plate bodies, acts as go-between, locking portion, a plurality of plate bodies arrange in proper order along vertical direction, the lower extreme of the plate body that is in the top in two adjacent plate bodies and the upper end sliding connection of the plate body that is in the below, simultaneously, the lower extreme of acting as go-between is connected on the plate body of below, and the upper end of acting as go-between wears out outside the rose box, simultaneously, is provided with a locking portion on the rose box, and the one end that the acting as go-between worn out outside the rose box is around locating on the locking portion and by the locking portion centre gripping.
The device for monitoring and using carbon on line comprises a filter box, a wire passing hole is formed in the filter box and located at a position where a wire passes out, a wire outlet sealing assembly is arranged in the wire passing hole and comprises an annular ring and an extrusion screw, the wire passing hole is a stepped hole, the small aperture end of the wire passing hole is one end communicated with a filter cavity, the annular ring is placed in the wire passing hole and abuts against the step, a through hole is formed in the center of the extrusion screw, the extrusion screw is in threaded connection with the large aperture end of the wire passing hole and extrudes the annular ring, and the upper end of the wire passes through the annular ring and the through hole.
The above-mentioned equipment that carbon on-line monitoring used, wherein, the blowing box includes end box and flip, and end box has a tape opening place the chamber, and flip sets up in place the opening part in chamber and its one side is articulated with one side of end box, and the card hole has been seted up to the opposite side of end box, and the opposite side of flip is provided with the card foot that corresponds with the card hole, simultaneously, all is provided with the air vent on end box's the box bottom and the flip, and the drier is placed in place the intracavity and is covered through flip.
The equipment that foretell carbon on-line monitoring used, wherein, dehydrating unit still includes the buckle closure subassembly, the buckle closure subassembly sets up outside the dehumidification case, and be located the top of dehumidification track, and on the direction of motion of dehumidification track, end box and flip articulated one side are located the place ahead of direction of motion, the card Kong Heka foot is located the rear of direction of motion, simultaneously, flip's middle part is provided with the stripper plate unanimous with the direction of motion of dehumidification track, and the stripper plate extends to card foot department, the buckle closure subassembly includes the support body, the pendulum rod, pinch roller and support tight spring, the support body is installed on the dehumidification case, one side of support body articulates there is a pendulum rod that arranges along the direction of motion of dehumidification track, rotate on the other end of pendulum rod and install a pinch roller, simultaneously, be provided with between pendulum rod and the support body and support tight spring, and when dehumidification track drive the blowing box removal, the pinch roller contacts with the stripper plate on the flip of each blowing box in proper order.
The technical scheme has the positive effects that:
According to the carbon on-line monitoring method and the equipment used by the same, the plurality of gas samples with different heights are selected, then the plurality of gas samples are introduced into the mixing cavity of the mixing device for full mixing, the mixed gas samples are filtered and dried sequentially through the filtering device and the drying device, interference impurities affecting the monitoring precision in the gas samples are removed, the accuracy of the monitoring result is effectively improved, meanwhile, the monitoring equipment used by the flaw monitoring method comprises the lifting assembly, the mixing device, the filtering device and the dehumidifying device, the use requirements of multipoint sampling, sample mixing, sample filtering and sample drying are effectively met, the equipment is simple in structure and convenient to use, and carbon on-line monitoring is facilitated.
Drawings
FIG. 1 is a flow chart of a carbon on-line monitoring method of the present invention;
FIG. 2 is a block diagram of a filtering apparatus according to a preferred embodiment of the present invention;
FIG. 3 is a block diagram of a dehumidifying apparatus according to a preferred embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2;
fig. 5 is a block diagram of a discharge box according to a preferred embodiment of the present invention.
In the drawings, 1, a filtering device, 11, a filtering box, 12, a primary filter screen, 13, a secondary filter screen, 14, a lifting baffle, 15, a cleaning brush, 16, a wire outlet sealing assembly, 111, a filtering cavity, 112, a second air inlet, 113, a second air outlet, 114, a draining port, 115, a jack, 116, a plugboard, 117, a wire passing hole, 121, a slot, 141, a plate body, 142, a pull wire, 143, a locking part, 151, a rolling brush, 152, a lifting part, 161, an annular ring, 162, a pressing screw, 1161, a sealing gasket, 1521, a guide groove, 1522, a rack, 1523, a gear, 1524, a lifting driver, 1621, a through hole, 2, a dehumidifying device, 21, a dehumidifying box, 22, a dehumidifying crawler belt, 23, a discharging box, 24, a buckle cover assembly, 211, a third air inlet, 212, a third air outlet, 213, a dehumidifying cavity, 231, a bottom box, 232, a flip cover, 241, a frame body, 242, 243, a pressing wheel, 244, a pressing spring, 2311, a placing cavity, 2312, a clamping seat, a clamping plate, 2321, a clamping plate and 2321.
Detailed Description
In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present invention easy to understand, the following embodiments specifically describe the technical solution provided by the present invention with reference to fig. 1 to 5, but the following disclosure is not limited to the present invention.
FIG. 1 is a flow chart of a carbon on-line monitoring method of the present invention. As shown in fig. 1, the carbon online monitoring method provided in this embodiment includes the following steps:
step S1, multipoint sampling;
And a plurality of gas samples in different height ranges are collected at the same time, so that the monitoring requirement of multipoint sampling can be met, the same gas quantity of each gas sample can be ensured, and the accuracy of mixed samples can be ensured after different gas samples are mixed subsequently. It should be noted that, during sampling, the sampling speed and the sampling time of each gas sample need to be controlled to be identical, which is a precondition for ensuring the sampling accuracy.
S2, mixing samples;
and (2) simultaneously conveying a plurality of gas samples acquired in the step (S1) to a mixing device for full mixing to obtain a mixed sample, and utilizing a manual means to enable the mixed sample to accurately reflect the average index of the gas in the current sampling environment and waiting for subsequent filtering, drying and other operations.
S3, filtering samples;
And (2) filtering the mixed sample obtained by mixing in the step (S2) through the filtering device (1), and blocking impurities affecting the use of the probe of the carbon dioxide sensor in the mixed sample, namely effectively removing the impurities in the mixed sample to obtain a preliminary mixed sample, thereby ensuring higher accuracy of subsequent monitoring.
S4, drying the sample;
And (3) introducing the primary mixed sample obtained in the step (S3) into the dehumidifier (2) for drying treatment, adsorbing the moisture in the primary mixed sample by using a desiccant in the dehumidifier (2), reducing the influence on the use of a carbon dioxide sensor in the subsequent monitoring process, and further improving the accuracy of the subsequent monitoring, wherein the final mixed sample is obtained.
S5, detecting the content;
And (3) introducing the final mixed sample obtained in the step (S4) into a monitoring device provided with a carbon dioxide sensor for content monitoring, and obtaining carbon dioxide concentration data in the current sampling environment.
S6, data processing;
And repeating the steps S1-S5 for a plurality of times to obtain a plurality of carbon dioxide concentration data, preferably repeating the steps S1-S5 once every time, waiting for 10 minutes and repeating the steps again, so that the problem of uneven sample cost distribution caused by the accumulation of gas discharged after sampling detection is avoided, and meanwhile, the accurate carbon dioxide concentration is obtained by adopting a calculation method of multi-sample statistical averaging, so that the accuracy of sampling monitoring is improved.
More specifically, when the gas sample is collected in step S1, the operator needs to arrange sampling tubes with different heights, and after the arrangement of the sampling tubes is completed, the collection is started after standing for 5 minutes, so that the problem that the gas flow is caused by arranging the sampling tubes with different heights, the influence of the gas flow on the component change of the sample is avoided, and the structural design is more reasonable.
Fig. 2 is a block diagram of a filtering apparatus according to a preferred embodiment of the present invention, and fig. 3 is a block diagram of a dehumidifying apparatus according to a preferred embodiment of the present invention. As shown in fig. 2 and 3, the present embodiment further provides an apparatus for the above-mentioned carbon on-line monitoring method, which includes a support, a lifting assembly, a mixing device, a filtering device 1, a dehumidifying device 2 and a monitoring device, wherein the lifting assembly, the mixing device, the filtering device 1, the dehumidifying device 2 and the monitoring device are all disposed on the support, and the lifting assembly, the mixing device, the filtering device 1, the dehumidifying device 2 and the monitoring device are sequentially connected through pipes.
Specifically, the support is arranged in the area to be monitored, the support can be a movable platform, such as a trolley, has good moving performance and higher use flexibility, and can also be a fixed platform, such as a cement base, and the support has low manufacturing cost and high stability and provides a carrier for the installation of subsequent lifting components, the mixing device, the filtering device 1, the dehumidifying device 2 and the monitoring device.
More specifically, the lifting component arranged on the support comprises a plurality of telescopic pipes, the telescopic pipes are mutually sleeved to form a telescopic rod structure, and the specific structure of the lifting component comprises, but is not limited to, the structure of the lifting table leg of the lifting table on the market, so that the lifting component can do lifting motion along the vertical direction, and the use requirement of height adjustment of the lifting component is met. Meanwhile, a plurality of acquisition holes are arranged on the lifting assembly at intervals along the vertical direction, and gas samples with different heights are acquired through the acquisition holes at different positions. In addition, the distance between two adjacent collection holes gradually increases or decreases along with the lifting of the lifting assembly, namely, when the lifting assembly is lifted, the distance between two adjacent collection holes is increased, so that the collection holes can be uniformly distributed on the lifting assembly, the height of the collection holes can be ensured to be changed along with the lifting assembly, and conditions are provided for the follow-up collection of gas samples with different heights.
More specifically, the mixing device arranged on the bracket comprises a gas mixing box and a gas mixing fan. At this moment, the gas mixing box has the gas mixing chamber, and simultaneously, the gas mixing box has a plurality of first air inlets and a first gas vent of intercommunication gas mixing chamber for the gas mixing box's air inlet is more, satisfies the connection demand of a plurality of collection hole. And, a plurality of first air inlets pass through pipeline and a plurality of collection hole one-to-one for each collection hole all corresponds a first air inlet, has guaranteed that the gas sample that each collection hole gathered all can get into smoothly to mix in the air cavity, simultaneously, with mixing the air fan setting in mixing the air cavity, mix the gas in the air cavity through mixing the air fan stirring, make the gas sample ability intensive mixing that gets into in the different first air inlets, the mixing effect is better. In addition, the blowing direction of the air mixing fan is the direction towards the first exhaust port, namely when the mixed gas sample in the air mixing cavity is discharged from the first exhaust port in the follow-up process, the exhaust efficiency can be improved through the air mixing fan, the multi-purpose machine is realized, and the utilization rate is improved. It is worth pointing out that be hose connection between collection hole and the corresponding first air inlet, the lift demand of adaptation lifting element that can be better. In addition, the hose is arranged in the telescopic pipe of the lifting assembly, so that the hose is hidden, the aesthetic property is improved, the protective capability of the hose is improved, and the structural design is more reasonable.
More specifically, the filtering device 1 provided on the support frame further comprises a filtering tank 11, a primary filtering screen 12 and a secondary filtering screen 13. At this time, the filter box 11 has the filter chamber 111, the filter box 11 has the second air inlet 112 and the second air outlet 113 which are communicated with the filter chamber 111, and the second air inlet 112 is communicated with the first air outlet, so that the mixed sample discharged from the air mixing box can enter into the filter box 11 through the second air inlet 112, and at the same time, the preliminary mixed sample obtained after being filtered by the filter box 11 can be discharged through the second air outlet 113. In addition, along the direction from the second air inlet 112 to the second air outlet 113, the primary filter screen 12 and the secondary filter screen 13 are sequentially arranged in the filter cavity 111, that is, the mixed sample entering the filter cavity 111 needs to be filtered twice, so that impurities in the mixed sample are better removed, and the accuracy of the monitoring result is improved. In addition, the primary filter screen 12 and the secondary filter screen 13 are both provided with rotating parts, and preferably, the rotating parts are arranged on the side edges of the corresponding primary filter screen 12 and secondary filter screen 13, the primary filter screen 12 and the secondary filter screen 13 are driven to turn over in the filter cavity 111 by the rotating parts, so that conditions are provided for realizing the same-direction blowing cleaning after the subsequent primary filter screen 12 and secondary filter screen 13 can turn over 180 degrees, namely, cleaning of the primary filter screen 12 and the secondary filter screen 13 can be realized by fully utilizing a gas mixing fan in the mixing device to blow cleaning gas into the filter cavity 111, the problem that a set of reverse blowing system is additionally arranged on the basis of cleaning is avoided, the utilization rate of structural parts in the equipment is improved, and multiple repeated utilization of the primary filter screen 12 and the secondary filter screen 13 is realized. Meanwhile, the lifting baffle 14 and the cleaning brush 15 are arranged between the primary filter screen 12 and the secondary filter screen 13, so that the primary filter screen 12 and the secondary filter screen 13 can be separated through the lifting baffle 14 when the primary filter screen 12 is cleaned later, the problem that dust and other impurities generated when the primary filter screen 12 is cleaned enter the secondary filter screen 13 is avoided, at the moment, the primary filter screen 12 is turned 180 degrees, namely, the primary filter screen 12 is reversely blown, the primary filter screen 12 is cleaned, and meanwhile, the cleaning effect is improved by brushing the surface of the primary filter screen 12 through the cleaning brush 15. In addition, a cleaning brush 15 is also arranged between the secondary filter screen 13 and the second exhaust port 113, when the primary filter screen 12 is cleaned, the lifting baffle 14 is opened, at this time, the cleaned primary filter screen 12 is turned back to the original state, the secondary filter screen 13 is turned over 180 degrees, and then the box filter box 11 is continuously blown, so that the reverse blowing of the secondary filter screen 13 can be realized, the cleaning of the secondary filter screen 13 is satisfied, and because the gas passing through the primary filter screen 12 is clean gas, and the surface of the secondary filter screen 13 adhered with impurities is turned over to the side deviating from the primary filter screen 12, the impurities generated by cleaning the secondary filter screen 13 cannot pollute the primary filter screen 12. and, all be provided with the escape hole 114 on the rose box 11 and lie in between primary filter screen 12 and lift baffle 14 and between secondary filter screen 13 and the second gas vent 113, promptly when clearing up primary filter screen 12, descend lift baffle 14 and open the escape hole 114 between primary filter screen 12 and the lift baffle 14 for the impurity that clearance primary filter screen 12 produced can climb out from this escape hole 114, avoid causing the pollution to secondary filter screen 13, and when the secondary filter screen 13 of follow-up clearance, only need close the escape hole 114 between primary filter screen 12 and lift baffle 14 and open the escape hole 114 between secondary filter screen 13 and the second gas vent 113 can in time discharge the impurity that clearance secondary filter screen 13 produced, avoid polluting follow-up pipeline, structural design is more reasonable.
More specifically, the dehumidifying device 2 disposed on the support further includes a dehumidifying box 21, a dehumidifying crawler 22, a discharging box 23 and a dehumidifying driver. At this time, the dehumidifying box 21 has a dehumidifying chamber 213 with a third air inlet 211 and a third air outlet 212, and the third air inlet 211 communicates with the second air outlet 113, so that the primary mixed sample discharged from the second air outlet 113 of the filter box 11 can enter into the dehumidifying box 21 through the third air inlet 211. And, the third air outlet 212 is communicated with the monitoring device, so that the final mixed sample obtained after dehumidification and drying is discharged through the third air outlet 212 and then enters the monitoring device. The dehumidifying tracks 22 are arranged at two ends of the dehumidifying box 21, and one side of the dehumidifying tracks passes through the dehumidifying cavity 213, so that the change of the positions of the dehumidifying tracks 22 in the dehumidifying box 21 can be realized through the rotation of the dehumidifying tracks 22, thereby providing convenience for the subsequent replacement of the drying agent. Simultaneously, be provided with a plurality of blowing boxes 23 on the dehumidification track 22, all placed the drier in each blowing box 23, put the drier through blowing box 23 promptly, and can drive the drier through the dehumidification track 22 and remove in the dehumidification case 21, provide the condition for realizing the follow-up of drier under the circumstances of not shutting down afterwards. In addition, the dehumidifying crawler 22 is in power connection with the dehumidifying driver, and it is worth noting that the dehumidifying crawler 22 is mounted on a driving wheel and a driven wheel, two ends of the dehumidifying crawler 22 are respectively wound on the driving wheel and the driven wheel, the driving wheel is connected with a driving shaft of the dehumidifying driver, the driving wheel and the driven wheel are respectively arranged outside the dehumidifying box 21 and are positioned at two ends of the dehumidifying box 21, one side of the dehumidifying crawler 22 penetrates through the dehumidifying box 21, and conditions are provided for the next dehumidifying crawler 22 to work on one side and the other side to realize the replacement of the drying agent. Meanwhile, a flexible sealing strip is arranged on the dehumidifying box 21 and positioned at the passing position of the dehumidifying crawler 22, and the flexible sealing strip abuts against the dehumidifying crawler 22, so that the sealing of the passing position of the dehumidifying crawler 22 is realized, and the problem that the external gas enters into the dehumidifying box 21 to influence a gas sample is prevented.
More specifically, the monitoring device arranged on the bracket comprises a monitoring box and a carbon dioxide sensor. At this time, the monitoring box has fourth air inlet and fourth gas vent, fourth air inlet and third gas vent 212 intercommunication, and the final mixed sample after dehumidification drying can get into the monitoring box through the fourth air inlet, simultaneously, carbon dioxide sensor sets up in the monitoring box, measures the carbon dioxide concentration in the final mixed sample that gets into the monitoring box through carbon dioxide sensor promptly to outside the mixed gas sample after will measuring was discharged the monitoring box through the fourth gas vent, accomplish a monitoring operation.
More specifically, the filter box 11 is provided with insertion holes 115 communicating with the filter cavity 111 around the primary filter screen 12 and the secondary filter screen 13, at this time, an insertion plate 116 is slidably inserted into each insertion hole 115, and preferably, a sealing assembly is disposed between the insertion plate 116 and the corresponding insertion hole 115, so as to prevent leakage. In addition, one end of the plugboard 116 extends into the filter cavity 111, a sealing pad 1161 is arranged on the end face of the plugboard, and the side edges of the primary filter screen 12 and the secondary filter screen 13 are provided with slots 121 corresponding to the insertion holes 115, when the plugboard 116 is inserted into the insertion holes 115, one end of the plugboard 116 inserted into the filter cavity 111 is inserted into the corresponding slots 121 and is abutted tightly through the sealing pad 1161, namely, the side edges of the corresponding primary filter screen 12 or secondary filter screen 13 are fixed through the plugboard 116, so that the structural stability is improved, sealing of the connection part is realized, and when the plugboard 116 is extracted from the insertion holes 115, one end of the plugboard 116 inserted into the filter cavity 111 is separated from the corresponding slots 121, so that the side edges of the slots 121 are not limited, and the primary filter screen 12 and the secondary filter screen 13 have enough overturning space, and normal overturning of the primary filter screen 12 and the secondary filter screen 13 is ensured.
More specifically, the cleaning brush 15 disposed in the filter box 11 further includes a rolling brush 151 and a lifting portion 152, the lifting portion 152 is disposed on the filter box 11, and meanwhile, the rolling brush 151 is rotatably mounted on the lifting portion 152, so that the rolling brush 151 can move up and down in the filter cavity 111 along with the lifting portion 152, and one side of the rolling brush 151 is in contact with the surface of the corresponding primary filter screen 12 or the secondary filter screen 13, so that when the rolling brush 151 moves up and down in the filter cavity 111 along with the lifting portion 152, the rolling brush 151 can clean the corresponding primary filter screen 12 and secondary filter screen 13 in all directions, and the cleaning effect is better. Meanwhile, the other side of the rolling brush 151 of the cleaning brush 15 corresponding to the primary filter screen 12 is also in contact with the surface of the lifting baffle 14, and the lifting baffle 14 is unfolded when the primary filter screen 12 is cleaned, at this time, the cleaning brush 15 also cleans the lifting baffle 14, so that the problem that impurities adhere to the lifting baffle 14 is prevented. It is worth noting that the top and the bottom of the filter box 11 and the positions corresponding to the cleaning brush 15 are also provided with the avoiding cavity communicated with the filter cavity 111, so that the rolling brush 151 can enter the avoiding cavity when lifting up and down, and the problem that the filter cavity 111 is occupied or the primary filter screen 12 and the secondary filter screen 13 are influenced to overturn is avoided.
More specifically, the lifting portion 152 of the cleaning brush 15 further includes a guide groove 1521, a slider, a rack 1522, a gear 1523, and a lifting driver 1524. The guide groove 1521 is arranged in the vertical direction, and the slider is slidably provided in the guide groove 1521 so that the slider can perform up-and-down movement in the vertical direction. Meanwhile, the rotating shaft of the rolling brush 151 is arranged on the sliding block, a rack 1522 is arranged on the sliding block along the vertical direction, the lower end of the rack 1522 is connected with the sliding block, the rack 1522 can drive the sliding block to slide in the guide groove 1521, and meanwhile, the sliding block can drive the rotating shaft of the rolling brush 151 to move, so that the rack 1522 can drive the rolling brush 151 to move. At this time, the upper end of the rack 1522 extends out of the filter box 11, the lifting driver 1524 is mounted outside the filter box 11, and the gear 1523 is mounted on the driving shaft of the lifting driver 1524 and is meshed with the rack 1522, that is, the gear 1523 is driven by the lifting driver 1524 to rotate, the gear 1523 drives the rack 1522 to move, so that the movement of the rolling brush 151 is realized through the sliding block and the guide groove 1521, and the use requirement of the rolling brush 151 lifting up and down in the filter cavity 111 is met.
More specifically, the lifting baffle 14 in the filtering device 1 further comprises a plurality of plate bodies 141, a pull wire 142 and a locking part 143, at this time, the plurality of plate bodies 141 are sequentially arranged along the vertical direction, and meanwhile, the lower ends of the plate bodies 141 positioned above in the two adjacent plate bodies 141 are in sliding connection with the upper ends of the plate bodies 141 positioned below in the two adjacent plate bodies 141, so that the two adjacent plate bodies 141 can be mutually slid to be overlapped, and the use requirement of folding or unfolding the plurality of plate bodies 141 is met. Meanwhile, the lower end of the pull wire 142 is connected to the lowermost plate 141, and the upper end of the pull wire 142 penetrates out of the filter box 11, namely, the lowermost plate 141 can be pulled to move upwards through the pull wire 142, so that a plurality of plates 141 are folded, and when the pull wire 142 is loosened, the plurality of plates 141 automatically descend under the action of gravity, and the plurality of plates 141 are unfolded. Meanwhile, a locking part 143 is arranged on the filter tank 11, one end of the stay wire 142 penetrating out of the filter tank 11 is wound on the locking part 143 and clamped by the locking part 143, preferably, the locking part 143 comprises a base, a clamping plate and a locking screw, the base is fixed on the filter tank 11, the clamping plate is stacked on the base, the clamping plate is locked on the base through the locking screw, one end of the stay wire 142 penetrating out of the filter tank 11 is wound on the locking screw, and when the locking screw is screwed down, the clamping plate compresses the stay wire 142 on the base, so that the end part of the stay wire 142 is fixed, the problem that the stay wire 142 slips off in the use process to cause the automatic unfolding of the lifting baffle 14 is avoided, and the structural reliability is higher.
Fig. 4 is an enlarged view of a portion a in fig. 2. As shown in fig. 2 and 4, the filter box 11 is further provided with a wire passing hole 117 at a position where the pull wire 142 passes through, that is, a passage is provided for the pull wire 142 to pass out of the filter box 11 through the wire passing hole 117. At this time, the wire outlet sealing assembly 16 is disposed in the wire outlet hole 117, that is, the wire outlet sealing assembly 16 seals the position where the pull wire 142 passes through the filter box 11, so as to prevent leakage. The wire outlet closing assembly 16 further comprises an annular ring 161 and an extrusion screw 162, the wire passing hole 117 is arranged as a step hole, the small-bore end of the wire passing hole 117 is one end communicated with the filter cavity 111, namely, one end of the wire passing hole 117 close to the filter cavity 111 is provided with a step, meanwhile, the annular ring 161 is placed in the wire passing hole 117 and abuts against the step of the step hole, a through hole 1621 is formed in the center of the extrusion screw 162, the wire pulling 142 can conveniently penetrate out of the extrusion screw 162, meanwhile, the extrusion screw 162 is in threaded connection with the large-bore end of the wire passing hole 117 and extrudes the annular ring 161, the upper end of the wire pulling 142 penetrates through the annular ring 161 and the through hole 1621, namely, after the wire pulling 142 penetrates through the annular ring 161 and the through hole 1621 and is locked through the locking part 143, the extrusion screw 162 can be screwed, so that the extrusion screw 162 extrudes the annular ring 161, forces the annular ring 161 to deform to block the inner ring of the annular ring 161 and the through hole 1621 on the extrusion screw 162, and leakage problems are avoided.
Fig. 5 is a block diagram of a discharge box according to a preferred embodiment of the present invention. As shown in fig. 3 and 5, the discharging box 23 disposed on the dehumidifying track 22 further includes a bottom box 231 and a flip 232, at this time, the bottom box 231 has a placement cavity 2311 with an opening, and the flip 232 is disposed at the opening of the placement cavity 2311 and one side thereof is hinged with one side of the bottom box 231, so that the flip 232 can open and close the opening of the placement cavity 2311 by its flip. Moreover, the other side of the bottom case 231 is provided with a clamping hole 2312, and the other side of the flip 232 is provided with a clamping foot 2321 corresponding to the clamping hole 2312, namely, when the flip 232 covers the opening of the placing cavity 2311, the clamping foot 2321 on the flip 232 can be clamped into the clamping hole 2312, so that the problem that the flip 232 is automatically opened in the rotation process of the dehumidifying crawler 22 is prevented. Meanwhile, the bottom of the bottom case 231 and the flip cover 232 are provided with vent holes, and the drying agent is placed in the placing cavity 2311 and covered by the flip cover 232, namely, the vent holes facilitate the full contact of the gas sample and the drying agent in the placing cavity 2311, so that the dehumidifying and drying effects are improved.
More specifically, the dehumidifying device 2 further includes a buckle cover assembly 24, at this time, the buckle cover assembly 24 is disposed outside the dehumidifying box 21 and above the dehumidifying crawler 22, so that the discharging box 23 on the dehumidifying crawler 22 which does not enter the dehumidifying box 21 can be matched with the buckle cover assembly 24, and the discharging box 23 which does not enter the dehumidifying box 21 needs to be opened to replace the drying agent, so that the buckle cover assembly 24 is not required to press the buckle feet 2321 into the buckle holes 2312 manually after replacing the drying agent, and the buckle feet 2321 can be pressed into the buckle holes 2312 by the buckle cover assembly 24, so that the operation is more convenient, time-saving and labor-saving. In addition, along the movement direction of the dehumidifying track 22, the hinged side of the bottom box 231 and the flip cover 232 is located in front of the movement direction, and the clamping hole 2312 and the clamping pin 2321 are located behind the movement direction, so that one end of the flip cover 232 and the bottom box 231 with a larger distance is located behind the movement direction of the dehumidifying track 22, that is, one end of the flip cover 232 and the bottom box 231 with a smaller distance can firstly contact the buckle cover assembly 24, and guiding is provided for the movement of the buckle cover assembly 24 on the discharging box 23. Meanwhile, the middle part of the flip 232 is provided with the extrusion plate 2322 which is consistent with the movement direction of the dehumidifying crawler 22, and the extrusion plate 2322 extends to the clamping foot 2321, namely, the clamping foot 2321 is pressed into the clamping hole 2312 by the contact of the buckle cover assembly 24 with the extrusion plate 2322, so that the structural strength of the contact part of the flip 232 and the buckle cover assembly 24 is improved, and the movement of the buckle cover assembly 24 is more stable. Meanwhile, the buckle cover assembly 24 further comprises a frame 241, a swinging rod 242, a pressing wheel 243 and a pressing spring 244, the frame 241 is installed on the dehumidifying box 21, meanwhile, a swinging rod 242 which is arranged along the moving direction of the dehumidifying crawler 22 is hinged to one side of the frame 241, at this time, the pressing wheel 243 is rotatably installed on the other end of the swinging rod 242, so that the pressing wheel 243 can swing along with the swinging rod 242, meanwhile, the pressing spring 244 is arranged between the swinging rod 242 and the frame 241, the pressing wheel 243 can press the discharging boxes 23 through pressing the pressing spring 244 to apply pressure to the swinging rod 242, and when the dehumidifying crawler 22 drives the discharging boxes 23 to move, the pressing wheel 243 is sequentially contacted with a pressing plate 2322 on the turnover cover 232 of each discharging box 23, namely, the pressing wheel 243 presses the clamping feet 2321 into the clamping holes 2312, and closing of the opening of the placing cavity 2311 on the bottom box 231 by the pressing wheel 243 is achieved.
The carbon online monitoring method and the equipment used by the same comprise the steps of S1, multipoint sampling, S2, sample mixing, S3, sample filtering, S4, sample drying, S5, content detection, S6 and data processing, wherein the used equipment comprises a support, a lifting assembly, a mixing device, a filtering device 1, a dehumidifying device 2 and a monitoring device, a plurality of gas samples with different heights are simultaneously selected, then the gas samples are introduced into a mixing cavity of the same mixing device for full mixing, the mixed gas samples are sequentially filtered by the filtering device 1 and subjected to dehumidification drying by a drying device, impurities and moisture in the gas samples are effectively removed, the problem of interference in the monitoring process is avoided, and the accuracy of the monitoring result is improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (8)
1. The equipment for online monitoring of the carbon is used for an online monitoring method of the carbon, and the online monitoring method of the carbon comprises the following steps of S1, multipoint sampling; the method comprises the steps of collecting a plurality of gas samples in different height ranges, controlling the collecting speed and collecting time of each gas sample to be identical, mixing the samples, conveying the gas samples collected in the step S1 to a mixing device at the same time to be fully mixed to obtain a mixed sample, waiting for subsequent use, filtering the samples, filtering the mixed sample obtained in the step S2 through a filtering device to remove impurities in the mixed sample to obtain a primary mixed sample, drying the samples, introducing the primary mixed sample obtained in the step S3 to a dehumidifying device to be dried to remove water in the primary mixed sample to obtain a final mixed sample, detecting the content, introducing the final mixed sample obtained in the step S4 to a monitoring device provided with a carbon dioxide sensor to be monitored to obtain carbon dioxide concentration data in the environment, processing the data, repeating the steps S1-S5 for a plurality of times to obtain the carbon dioxide concentration data, adopting a calculation method of calculating average value of a plurality of samples to obtain the carbon dioxide concentration data, accurately setting up the carbon dioxide sample, and standing the samples after the step S1 is arranged, and the steps are required to be arranged, and the method is characterized in that the steps are started after the sampling samples are completed after the samples are collected after the steps are completed:
the bracket is arranged in the area to be monitored;
The lifting assembly is arranged on the bracket, the lifting assembly performs lifting motion along the vertical direction, and meanwhile, a plurality of acquisition holes which are arranged at intervals are arranged on the lifting assembly along the vertical direction, and the distance between two adjacent acquisition holes is gradually increased or decreased along with the lifting of the lifting assembly;
the mixing device is arranged on the support, the mixing device is provided with a gas mixing box and a gas mixing fan, the gas mixing box is provided with a gas mixing cavity, the gas mixing box is provided with a plurality of first air inlets and a first air outlet which are communicated with the gas mixing cavity, the plurality of first air inlets are connected with the plurality of collecting holes one by one through pipelines, and the gas mixing fan is arranged in the gas mixing cavity and the gas blowing direction is the direction facing the first air outlet;
The filter device is arranged on the support, the filter device comprises a filter box, a primary filter screen and a secondary filter screen, the filter box is provided with a filter cavity, the filter box is provided with a second air inlet and a second air outlet which are communicated with the filter cavity, the second air inlet is communicated with the first air outlet, the primary filter screen and the secondary filter screen are sequentially arranged in the filter cavity along the direction from the second air inlet to the second air outlet, the primary filter screen and the secondary filter screen are both provided with rotating parts, meanwhile, a lifting baffle and a cleaning brush are arranged between the primary filter screen and the secondary filter screen, the cleaning brush is also arranged between the secondary filter screen and the second air outlet, and drainage ports are formed in the filter box and between the primary filter screen and the lifting baffle and between the secondary filter screen and the second air outlet;
The dehumidifying device is arranged on the support, the dehumidifying device comprises a dehumidifying box, a dehumidifying track, discharging boxes and a dehumidifying driver, the dehumidifying box is provided with a dehumidifying cavity with a third air inlet and a third air outlet, the third air inlet is communicated with the second air outlet, the third air outlet is communicated with the monitoring device, the dehumidifying track is arranged at two ends of the dehumidifying box, one side of the dehumidifying track penetrates through the dehumidifying cavity, meanwhile, the dehumidifying track is provided with a plurality of discharging boxes, drying agents are placed in each discharging box, and the dehumidifying track is in power connection with the dehumidifying driver;
The monitoring device is arranged on the support, the monitoring device comprises a monitoring box and a carbon dioxide sensor, the monitoring box is provided with a fourth air inlet and a fourth air outlet, the fourth air inlet is communicated with the third air outlet, and the carbon dioxide sensor is arranged in the monitoring box.
2. The device for on-line monitoring carbon as defined in claim 1, wherein the filter box is provided with insertion holes communicating with the filter cavity, insertion holes are formed in the periphery of the primary filter screen and the secondary filter screen, an insertion plate is slidably inserted into each insertion hole, one end of each insertion plate extends into the filter cavity, sealing gaskets are arranged on the end faces of the insertion plates, insertion grooves corresponding to the insertion holes are formed in the side edges of the primary filter screen and the secondary filter screen, and when the insertion plates are inserted into the insertion holes, one end of each insertion plate, inserted into each filter cavity, is inserted into the corresponding insertion groove and abutted against or separated from the corresponding insertion groove through the sealing gaskets.
3. The apparatus for on-line monitoring of carbon use according to claim 1, wherein the cleaning brush comprises a rolling brush and a lifting part, the lifting part is provided on the filter box, the rolling brush is rotatably installed on the lifting part, one side of the rolling brush is in contact with the surface of the corresponding primary filter screen or the secondary filter screen, and at the same time, the other side of the rolling brush of the cleaning brush corresponding to the primary filter screen is also in contact with the surface of the lifting baffle.
4. The apparatus for on-line monitoring of carbon use according to claim 3, wherein the lifting part comprises a guide groove, a slider, a rack, a gear and a lifting driver, the guide groove is arranged in the vertical direction, the slider is slidably arranged in the guide groove, the rotating shaft of the rolling brush is mounted on the slider, meanwhile, the rack is arranged on the slider in the vertical direction, the lower end of the rack is connected with the slider, the upper end of the rack extends out of the filter box, the lifting driver is mounted outside the filter box, and the gear is mounted on the driving shaft of the lifting driver and meshed with the rack.
5. The apparatus for on-line monitoring carbon as set forth in claim 4, wherein the lifting baffle comprises a plurality of plate bodies, a pull wire and a locking portion, wherein the plurality of plate bodies are sequentially arranged in a vertical direction, the lower ends of the upper plate bodies and the lower upper ends of the lower plate bodies of the adjacent two plate bodies are in sliding connection, simultaneously, the lower ends of the pull wire are connected to the lowest plate body, the upper ends of the pull wire penetrate out of the filter box, simultaneously, a locking portion is arranged on the filter box, and one end of the pull wire penetrating out of the filter box is wound on the locking portion and clamped by the locking portion.
6. The device for on-line monitoring of carbon as set forth in claim 5, wherein a wire passing hole is formed in the filter box and located at a position where the wire is passed through, a wire outlet sealing assembly is disposed in the wire passing hole, the wire outlet sealing assembly comprises an annular ring and an extrusion screw, the wire passing hole is a stepped hole, a small aperture end of the wire passing hole is an end communicated with the filter cavity, the annular ring is disposed in the wire passing hole and abuts against the stepped hole, a through hole is formed in the center of the extrusion screw, the extrusion screw is in threaded connection with a large aperture end of the wire passing hole and extrudes the annular ring, and an upper end of the wire passes through the annular ring and the through hole.
7. The device for on-line monitoring of carbon use according to any one of claims 1-6, wherein the discharging box comprises a bottom box and a flip cover, the bottom box is provided with a placing cavity with an opening, the flip cover is arranged at the opening of the placing cavity and one side of the flip cover is hinged with one side of the bottom box, a clamping hole is formed in the other side of the bottom box, a clamping foot corresponding to the clamping hole is formed in the other side of the flip cover, and meanwhile, vent holes are formed in the box bottom of the bottom box and the flip cover, and the drying agent is placed in the placing cavity and is covered by the flip cover.
8. The apparatus for on-line monitoring carbon as set forth in claim 7, wherein the dehumidifying apparatus further comprises a buckle cover assembly disposed outside the dehumidifying box and above the dehumidifying track and along a movement direction of the dehumidifying track, one side of the bottom case hinged to the cover is located in front of the movement direction, the clamping hole and the clamping leg are located behind the movement direction, meanwhile, a pressing plate consistent with the movement direction of the dehumidifying track is disposed in a middle portion of the cover, and extends to the clamping leg, the buckle cover assembly comprises a frame body, a swinging rod, a pressing spring and a pressing spring, the frame body is mounted on the dehumidifying box, one side of the frame body is hinged to the swinging rod disposed along the movement direction of the dehumidifying track, one pressing wheel is rotatably mounted on the other end of the swinging rod, meanwhile, the pressing spring is disposed between the clamping hole and the frame body, and when the dehumidifying box moves, the pressing wheel contacts with the pressing wheel on each pressing wheel case in sequence.
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