CN112973352B - Exhaust treatment device with self-checking mechanism - Google Patents
Exhaust treatment device with self-checking mechanism Download PDFInfo
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention discloses a waste gas treatment device with a self-checking mechanism, which relates to the technical field of waste gas treatment and comprises waste gas treatment equipment, a gas guide pipe, waste gas component detection equipment, a recovery pipeline and a discharge pipe, wherein one end of the gas guide pipe is fixedly connected inside the waste gas treatment equipment, the other end of the gas guide pipe is fixedly connected inside the waste gas component detection equipment, and one end of the discharge pipe is fixedly connected inside the waste gas component detection equipment. According to the invention, whether the waste gas is discharged or not is controlled according to the information of the signal prompt head after the component analysis is carried out on the waste gas, if the waste gas only contains slight residue, the waste gas can be discharged after being filtered by the secondary filter layer, and if the residual pollution is more, the waste gas is returned to the waste gas treatment equipment through the recovery head for secondary treatment, so that the detection accuracy is conveniently improved, the discharge condition of the waste gas before the treatment is avoided, and the serious resource waste condition caused by multiple purification treatments is also avoided.
Description
Technical Field
The invention relates to a waste gas treatment device, relates to the technical field of waste gas treatment, and particularly relates to a waste gas treatment device with a self-checking mechanism.
Background
The waste gas refers to toxic and harmful gas discharged by human beings in the production and living processes, particularly the generation of living waste gas brought by chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like and human life, the discharged waste gas has large odor, seriously pollutes the environment and affects human health, the waste gas contains various pollutants, has very complex physical and chemical properties and different toxicity, the waste gas discharged by fuel combustion contains sulfur dioxide, nitrogen oxide (NOx), hydrocarbon and the like, and different harmful gas and solid waste are discharged due to different raw materials and processes used in industrial production, and contain various components such as heavy metals, salts and radioactive substances, and the tail gas discharged by automobiles contains hydrocarbon such as lead, benzene, phenol and the like. The following problems exist in the prior art:
exhaust treatment device exists and can't detect the problem to the waste gas of handling before waste gas discharges, leads to some exhaust treatment devices not handling waste gas completely and just carried out exhaust emission, contains multiple toxic substance and heavy metal in the waste gas that finishes not handling, has seriously polluted surrounding air environment, and then causes a series of environmental quality problems, leads to this exhaust treatment device can't carry out exhaust treatment effectively.
Disclosure of Invention
The invention provides a waste gas treatment device with a self-checking mechanism, which aims to provide a high-efficiency waste gas detection structure and solve the problem that waste gas emission cannot be effectively detected; the other purpose is to solve the problem that the detection structure cannot distinguish the untreated range of the waste gas so as to achieve the effect of distinguishing the types of the residual pollutants in the waste gas.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a waste gas treatment device with a self-checking mechanism comprises a waste gas treatment device, a gas guide pipe, a waste gas component detection device, a recovery pipeline and a discharge pipe, wherein one end of the gas guide pipe is fixedly connected inside the waste gas treatment device, the other end of the gas guide pipe is fixedly connected inside the waste gas component detection device, one end of the discharge pipe is fixedly connected inside the waste gas component detection device, the recovery pipeline is fixedly arranged between the waste gas component detection device and the waste gas treatment device,
the air duct is located the top of exhaust-gas treatment equipment, the recovery pipeline is located exhaust-gas treatment equipment's bottom, exhaust-gas treatment equipment constitutes a circulation system through the recovery pipeline and the air duct that set up and exhaust-gas composition check out test set, exhaust-gas composition check out test set includes that waste gas catches framework, electric power groove, marker pole, signal suggestion head, retrieves head, secondary filter layer and adapter, waste gas is caught the one end that the framework is located exhaust-gas composition check out test set, the secondary filter layer is located exhaust-gas composition check out test set's the other end, secondary filter layer and exhaust-gas composition check out test set's handing-over department fixed mounting has the adapter, the one end electric connection of marker pole is in the inside in electric power groove, the other end fixed mounting of marker pole has signal suggestion head, the one end fixed connection of retrieving head is in exhaust-gas composition check out test set's inside, the recovery head is positioned at the bottom of the signal prompt head.
The waste gas capturing framework comprises a waste gas molecule capturing attraction belt, a rotating shaft, a heavy metal permeation coacervate, a toxic substance detection chamber and component detection beads, wherein the rotating shaft is fixedly installed at the bottom of the waste gas capturing framework, the bottom of the waste gas molecule capturing attraction belt is fixedly installed inside the rotating shaft, the heavy metal permeation coacervate is located at the joint of the waste gas molecule capturing attraction belt and the waste gas capturing framework, the toxic substance detection chamber is located at the edge of the heavy metal permeation coacervate, the toxic substance detection chambers are communicated with one another, the top of the toxic substance detection chamber is fixedly connected with the component detection beads, and the component detection beads are arranged at the joint of the toxic substance detection chamber and the waste gas capturing framework.
The technical scheme of the invention is further improved as follows: the waste gas molecule capturing attraction belt comprises an attraction belt main body, wherein a molecule adsorption layer is arranged on the outer wall of the attraction belt main body, a heavy metal capturing layer is arranged at the center of the attraction belt main body, and the molecule adsorption layer is fixedly connected with the heavy metal capturing layer through the arranged attraction belt main body.
Further, metal molecules and toxic substances in the exhaust gas are separately captured for subsequent identification.
The technical scheme of the invention is further improved as follows: the heavy metal infiltration coacervate comprises a transmission pipe, an elastic contraction ball, a tension coacervation spray head, a guide rod and an isolation permeable layer, wherein one end of the transmission pipe is fixedly connected inside the heavy metal infiltration coacervate, the tension coacervation spray heads are arranged on two sides of the transmission pipe, two ends of the tension coacervation spray head are fixedly connected inside the elastic contraction ball, the bottom of the elastic contraction ball is fixedly connected onto the inner wall of the heavy metal infiltration coacervate, the top of the tension coacervation spray head is located on one side of the guide rod, one end of the guide rod is fixedly connected inside the isolation permeable layer, and the isolation permeable layer is fixedly installed on the inner wall of the heavy metal infiltration coacervate.
Further, it is avoided that heavy metal remains in the inside of detection mechanism and corrodes precision instruments.
The technical scheme of the invention is further improved as follows: the inner wall of the toxic substance detection chamber is provided with a centrifugal filter head, a rotary rod is arranged at the joint of the toxic substance detection chamber and the centrifugal filter head, a rotary ring is arranged between the centrifugal filter heads, the inner wall of the rotary ring is connected to the outer wall of the rotary rod in a sliding mode, and through holes are formed in the centrifugal filter heads.
The technical scheme of the invention is further improved as follows: the component detection bead is arranged into a hollow type, the outer wall of the component detection bead is provided with a molecule detection hole, and the bottom of the component detection bead is fixedly provided with a molecule receiving plate.
Further, specific toxin components in the toxic substances are distinguished.
The technical scheme of the invention is further improved as follows: the wiring end of the molecule receiving plate is electrically connected with the wiring end of the signal prompt head, and the component detection beads are positioned at the top of the waste gas capturing framework.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a waste gas treatment device with a self-checking mechanism, which is characterized in that a waste gas capturing framework, an electric power groove, a marking rod, a signal prompting head, a recovery head, a secondary filter layer and an adapter are combined through a delicate design, whether waste gas is discharged or not is controlled according to information of the signal prompting head after the waste gas is subjected to component analysis, if the waste gas only contains slight residue, the waste gas can be discharged after being filtered by the secondary filter layer, and if the residual pollution is more, the waste gas is returned to waste gas treatment equipment through the recovery head for secondary treatment, so that the detection accuracy is conveniently improved, the situation that the waste gas is discharged after being not treated is avoided, and the situation that the waste gas is seriously wasted due to multiple purification treatments is also avoided.
2. The invention provides a waste gas treatment device with a self-checking mechanism, which is characterized in that a waste gas molecule catching attraction belt, a rotating shaft, a heavy metal permeation coacervate, a toxic substance detection chamber and a component detection bead are combined, so that certain air pressure is generated when air circulates, the air pressure can further push the air to flow, and then impurity molecules in waste gas have a speed difference, at the moment, the waste gas molecule catching attraction belt can catch various molecules in the waste gas, different pollutants are distinguished, and the component of residues can be rapidly determined, so that secondary treatment is performed, and the accuracy and the comprehensiveness of the detection data of the self-checking mechanism are greatly improved.
3. The invention provides a waste gas treatment device with a self-checking mechanism, which is characterized in that a transmission pipe, an elastic shrinkage ball, a tension condensation sprayer, a guide rod and an isolation permeable layer are combined through delicate design, metal molecules are mutually attracted and combined and can flow from a high-pressure area to a low-pressure area, the elastic shrinkage ball is matched with the tension condensation sprayer to continuously change the internal air pressure, so that the heavy metal molecules can be condensed together and discharged and transferred from the isolation permeable layer through the guide rod, the heavy metal substances are prevented from being retained in a detection mechanism to gradually erode a precision instrument, and the purpose of prolonging the service life of the detection mechanism is achieved.
4. The invention provides a waste gas treatment device with a self-checking mechanism, which is characterized in that a centrifugal filter head, a rotary ring, a rotary rod, a molecule detection hole and a molecule receiving plate are combined, through holes arranged in the centrifugal filter head are utilized, gas flow is utilized to drive the centrifugal filter head to rotate at high speed, the rotation is slower at the bottom, pressure gradient is generated, inward airflow along the bottom is generated, the inward airflow is upwards, the air flows to the outer side, the second airflow flows inwards along the bottom to gather the air outside the edge to the center, the air cannot rise due to the weight of the air, so the air stays at the center of the bottom, and the tea leaves are screwed inwards along the bottom under the action of a first rotating wave flow, toxic substances can be quickly separated from the air, and then the toxic substances are analyzed by transferring to the molecule receiving plate to judge the types of the toxic substances, thereby performing targeted secondary treatment on the mechanical energy of the material.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the exhaust gas component detecting apparatus of the present invention;
FIG. 3 is a schematic structural diagram of an exhaust gas capturing architecture according to the present invention;
FIG. 4 is a schematic diagram of the structure of the exhaust gas molecular trapping attraction band according to the present invention;
FIG. 5 is a schematic view of the structure of a heavy metal infiltration coacervate of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 7 is a schematic view of the structure of the component detection bead of the present invention.
In the figure: 1. an exhaust gas treatment device; 2. an air duct; 3. an exhaust gas component detection device; 4. a recovery pipeline; 5. a discharge pipe; 6. an exhaust gas capture architecture; 7. a power sink; 8. a marker post; 9. a signal prompt head; 10. a recovery head; 11. a secondary filtering layer; 12. an adapter; 13. a rotating shaft; 14. the exhaust gas molecules capture the attraction zone; 15. heavy metal permeating coacervate; 16. a toxic substance detection chamber; 17. component detection beads; 18. a molecular adsorption layer; 19. a heavy metal trapping layer; 20. a conveying pipe; 21. an elastically contractible ball; 22. a tension agglomeration spray head; 23. a guide rod; 24. isolating the permeable layer; 25. a rotating rod; 26. rotating the ring; 27. a centrifugal filter head; 28. through holes; 29. a molecular detection well; 30. a molecular receiver plate.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1, the present invention provides an exhaust gas treatment device with a self-checking mechanism, which includes an exhaust gas treatment device 1, an air duct 2, an exhaust gas component detection device 3, a recovery pipeline 4 and a discharge pipe 5, wherein one end of the air duct 2 is fixedly connected inside the exhaust gas treatment device 1, the other end of the air duct 2 is fixedly connected inside the exhaust gas component detection device 3, one end of the discharge pipe 5 is fixedly connected inside the exhaust gas component detection device 3, and the recovery pipeline 4 is fixedly installed between the exhaust gas component detection device 3 and the exhaust gas treatment device 1.
Specifically, the air duct 2 is located the top of exhaust-gas treatment equipment 1, and the recovery pipeline 4 is located the bottom of exhaust-gas treatment equipment 1, and exhaust-gas treatment equipment 1 constitutes a circulation system through the recovery pipeline 4 and the air duct 2 that set up and exhaust gas composition check out test set 3.
In the present embodiment, after the exhaust gas treatment device 1 has treated the exhaust gas, the exhaust gas is transmitted to the exhaust gas component detection device 3 through the gas guide tube 2 to detect the components in the exhaust gas, and then it is determined whether the exhaust gas is directly discharged through the discharge tube 5 or is transported back to the exhaust gas treatment device 1 from the recovery pipeline 4 again for secondary treatment according to the detection result.
Example 2
As shown in fig. 2, on the basis of embodiment 1, the present invention provides a technical solution: waste gas composition check out test set 3 includes that waste gas catches framework 6, electric power groove 7, mark pole 8, signal prompt head 9, retrieve head 10, secondary filter layer 11 and adapter 12, waste gas catches framework 6 and is located waste gas composition check out test set 3's one end, secondary filter layer 11 is located waste gas composition check out test set 3's the other end, secondary filter layer 11 and waste gas composition check out test set 3's handing-over department fixed mounting has adapter 12, mark pole 8's one end electric connection is in electric power groove 7's inside, mark pole 8's other end fixed mounting has signal prompt head 9, retrieve the one end fixed connection of head 10 in waste gas composition check out test set 3's inside, it is located signal prompt head 9's bottom to retrieve head 10.
According to the embodiment, the waste gas capturing framework 6 performs substance judgment after capturing air molecules, then the judgment result is displayed on the signal prompting head 9, the power groove 7 provides power for the marker rods 8, so that specific types of air residual substances in all time periods are distinguished, different marker rods 8 represent different time periods, and finally, according to the detection result, whether waste gas is simply filtered by the secondary filter layer 11 and then discharged or is transported from the recovery head 10 to the recovery pipeline 4 and then returned to the waste gas treatment equipment 1 is controlled.
Example 3
As shown in fig. 3, on the basis of the embodiments 1 and 2, the present invention provides a technical solution: preferably, the exhaust gas capturing framework 6 comprises an exhaust gas molecule capturing attraction belt 14, a rotating shaft 13, a heavy metal infiltration condensation layer 15, a toxic substance detection chamber 16 and component detection beads 17, the rotating shaft 13 is fixedly installed at the bottom of the exhaust gas capturing framework 6, the bottom of the exhaust gas molecule capturing attraction belt 14 is fixedly installed inside the rotating shaft 13, the heavy metal infiltration condensation layer 15 is located at the junction of the exhaust gas molecule capturing attraction belt 14 and the exhaust gas capturing framework 6, the toxic substance detection chamber 16 is located at the edge of the heavy metal infiltration condensation layer 15, the toxic substance detection chambers 16 are communicated with each other, the top of the toxic substance detection chamber 16 is fixedly connected with the component detection beads 17, and the component detection beads 17 are arranged at the junction of the toxic substance detection chamber 16 and the exhaust gas capturing framework 6.
Specifically, as shown in fig. 4, the exhaust gas molecule capturing attraction belt 14 includes an attraction belt body, a molecule adsorbing layer 18 provided on an outer wall of the attraction belt body, a heavy metal capturing layer 19 provided at a center portion of the attraction belt body, and the molecule adsorbing layer 18 is fixedly connected to the heavy metal capturing layer 19 through the attraction belt body.
The above embodiment provides, the air flow drives the exhaust gas molecule capture attraction belt 14 to move rapidly, so that it rotates around the rotation shaft 13, the molecule adsorption layer 18 absorbs the toxic substance in the exhaust gas, the heavy metal capture layer 19 captures the metal molecule in the air, and the heavy metal infiltration condensation layer 15 and the toxic substance detection chamber 16 cooperate to detect and analyze the residual substance therein, and finally the detection information is transmitted to the signal prompt head 9 through the component detection bead 17.
Example 4
As shown in fig. 5, on the basis of embodiment 1, embodiment 2, and embodiment 3, the present invention provides a technical solution: heavy metal infiltration coacervate 15 includes transmission pipe 20, elastic shrinkage ball 21, tension coacervation shower nozzle 22, guide bar 23 and isolation permeable layer 24, the one end fixed connection of transmission pipe 20 is in the inside of heavy metal infiltration coacervate 15, the both sides of transmission pipe 20 are provided with tension coacervation shower nozzle 22, the both ends fixed connection of tension coacervation shower nozzle 22 is in the inside of elastic shrinkage ball 21, the bottom fixed connection of elastic shrinkage ball 21 is on the inner wall of heavy metal infiltration coacervate 15, the top of tension coacervation shower nozzle 22 is located one side of guide bar 23, the one end fixed connection of guide bar 23 is in the inside of isolation permeable layer 24, keep apart permeable layer 24 fixed mounting on the inner wall of heavy metal infiltration coacervate 15.
The exhaust gas molecule catching attractive force belt 14 transfers the absorbed molecules to the interior of the heavy metal permeable condensation layer 15 through the transfer pipe 20, and then the internal air pressure is constantly changed by using the elastic shrinkage ball 21 in cooperation with the tension condensation spray head 22, so that the heavy metal molecules can be condensed together and discharged and transferred from the isolation and permeation layer 24 through the guide rod 23.
Specifically, as shown in fig. 6, a centrifugal filter head 27 is disposed on an inner wall of the toxic substance detection chamber 16, a rotating rod 25 is disposed at a joint of the toxic substance detection chamber 16 and the centrifugal filter head 27, a rotating ring 26 is disposed between the centrifugal filter heads 27, an inner wall of the rotating ring 26 is slidably connected to an outer wall of the rotating rod 25, and a through hole 28 is disposed inside the centrifugal filter head 27.
The air flow drives the centrifugal filter head 27 to rotate around the rotating rod 25 at a high speed, so that toxic substances in the exhaust gas are quickly stripped from the air, and then the toxic substances flow to the component detection beads 17 from the through holes 28 formed in the centrifugal filter head 27 for detection.
Specifically, as shown in fig. 7, the component detection beads 17 are hollow, the outer walls of the component detection beads 17 are provided with molecule detection holes 29, and the bottom of the component detection beads 17 is fixedly provided with a molecule receiving plate 30.
Specifically, the terminals of the molecule receiving board 30 are electrically connected with the terminals of the signal indicating head 9, and the component detecting beads 17 are located on the top of the exhaust gas trapping structure 6.
The above embodiment provides that the molecular structure, size and dimension of different toxic substances are different, and the size of the molecular detection hole 29 formed in the component detection bead 17 is different for passing through various toxic substance molecules, and the different molecular receiving plates 30 can detect the specific components of the toxic substances and display the specific information from the signal prompt head 9 in different signals.
The operation of the exhaust gas treatment device with the self-checking mechanism will be described in detail below.
As shown in fig. 1-7, after the exhaust gas treatment device 1 has treated the exhaust gas, the exhaust gas is introduced into the exhaust gas component detection device 3 from the gas guide tube 2, the exhaust gas molecule capture attraction zone 14 captures various residual substances in the exhaust gas, then the heavy metal is coagulated and discharged by the heavy metal permeation and coagulation layer 15, the toxic substance detection chamber 16 is matched with the component detection beads 17 to detect specific components of the toxic substances, the detection result is sent out from the signal prompt head 9 by the molecule receiving plate 30, the information detected in each time period is marked by the marking rod 8, and finally the toxic substances are directly discharged from the discharge tube 5 or are transported back to the exhaust gas treatment device 1 from the recovery tube 4 for secondary treatment.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, it is possible to modify or improve the optical characteristics of the optical fiber without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides an exhaust treatment device with self-checking mechanism, includes exhaust-gas treatment equipment (1), air duct (2), waste gas composition check out test set (3), recovery pipeline (4) and delivery pipe (5), the one end fixed connection of air duct (2) is in the inside of exhaust-gas treatment equipment (1), the other end fixed connection of air duct (2) is in the inside of waste gas composition check out test set (3), the one end fixed connection of delivery pipe (5) is in the inside of waste gas composition check out test set (3), its characterized in that: a recovery pipeline (4) is fixedly arranged between the waste gas component detection equipment (3) and the waste gas treatment equipment (1),
the air duct (2) is located at the top of the waste gas treatment equipment (1), the recovery pipeline (4) is located at the bottom of the waste gas treatment equipment (1), the waste gas treatment equipment (1) forms a circulating system with the waste gas component detection equipment (3) through the recovery pipeline (4) and the air duct (2) which are arranged, the waste gas component detection equipment (3) comprises a waste gas capturing framework (6), an electric power groove (7), a mark rod (8), a signal prompt head (9), a recovery head (10), a secondary filter layer (11) and an adapter (12), the waste gas capturing framework (6) is located at one end of the waste gas component detection equipment (3), the secondary filter layer (11) is located at the other end of the waste gas component detection equipment (3), the adapter (12) is fixedly installed at the joint of the secondary filter layer (11) and the waste gas component detection equipment (3), one end of the mark rod (8) is electrically connected to the inside of the power groove (7), the other end of the mark rod (8) is fixedly provided with a signal prompt head (9), one end of the recovery head (10) is fixedly connected to the inside of the waste gas component detection equipment (3), and the recovery head (10) is positioned at the bottom of the signal prompt head (9);
The waste gas capturing framework (6) comprises a waste gas molecule capturing attraction belt (14), a rotating shaft (13), a heavy metal permeation coacervate (15), a toxic substance detection chamber (16) and component detection beads (17), the rotating shaft (13) is fixedly arranged at the bottom of the waste gas capturing framework (6), the bottom of the waste gas molecule capturing attraction belt (14) is fixedly arranged in the rotating shaft (13), the heavy metal infiltration and condensation layer (15) is positioned at the joint of the exhaust gas molecule capture attraction zone (14) and the exhaust gas capture framework (6), the toxic substance detection chamber (16) is positioned at the edge of the heavy metal infiltration condensation layer (15), the toxic substance detection chambers (16) are communicated with each other, the top of the toxic substance detection chamber (16) is fixedly connected with the component detection beads (17), the component detection beads (17) are arranged at the joint of the toxic substance detection chamber (16) and the exhaust gas capture framework (6).
2. The exhaust gas treatment device with the self-checking mechanism according to claim 1, wherein: the exhaust gas molecule capturing attraction belt (14) comprises an attraction belt main body, a molecule adsorption layer (18) is arranged on the outer wall of the attraction belt main body, a heavy metal capturing layer (19) is arranged at the center of the attraction belt main body, and the molecule adsorption layer (18) is fixedly connected with the heavy metal capturing layer (19) through the arranged attraction belt main body.
3. The exhaust gas treatment device with the self-checking mechanism according to claim 1, wherein: the heavy metal infiltration and condensation layer (15) comprises a transmission pipe (20), an elastic shrinkage ball (21), a tension condensation spray head (22), a guide rod (23) and an isolation and permeation layer (24), one end of the transmission pipe (20) is fixedly connected with the interior of the heavy metal infiltration coacervate (15), two sides of the transmission pipe (20) are provided with a tension condensation spray head (22), two ends of the tension condensation spray head (22) are fixedly connected inside the elastic contraction ball (21), the bottom of the elastic shrinkage ball (21) is fixedly connected on the inner wall of the heavy metal infiltration coacervate (15), the top of the tension coagulation spray head (22) is positioned at one side of the guide rod (23), one end of the guide rod (23) is fixedly connected to the inside of the isolation and permeation layer (24), the isolation and permeation layer (24) is fixedly arranged on the inner wall of the heavy metal permeation and condensation layer (15).
4. The exhaust gas treatment device with the self-checking mechanism according to claim 1, wherein: the device is characterized in that a centrifugal filter head (27) is arranged on the inner wall of the toxic substance detection chamber (16), a rotary rod (25) is arranged at the joint of the toxic substance detection chamber (16) and the centrifugal filter head (27), a rotary ring (26) is arranged between the centrifugal filter heads (27), the inner wall of the rotary ring (26) is connected to the outer wall of the rotary rod (25) in a sliding mode, and a through hole (28) is formed in the centrifugal filter head (27).
5. The exhaust gas treatment device with the self-checking mechanism according to claim 1, wherein: the component detection bead (17) is arranged into a hollow type, the outer wall of the component detection bead (17) is provided with a molecule detection hole (29), and the bottom of the component detection bead (17) is fixedly provided with a molecule receiving plate (30).
6. The exhaust gas treatment device with the self-checking mechanism according to claim 5, wherein: the terminal of the molecule receiving board (30) is electrically connected with the terminal of the signal prompt head (9), and the component detection bead (17) is positioned at the top of the exhaust gas capturing framework (6).
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