CN2844748Y - The purification air-conditioning device - Google Patents
The purification air-conditioning device Download PDFInfo
- Publication number
- CN2844748Y CN2844748Y CN200420095292.3U CN200420095292U CN2844748Y CN 2844748 Y CN2844748 Y CN 2844748Y CN 200420095292 U CN200420095292 U CN 200420095292U CN 2844748 Y CN2844748 Y CN 2844748Y
- Authority
- CN
- China
- Prior art keywords
- air
- dust collector
- sprayer
- air outlet
- conditioning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 16
- 238000000746 purification Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 5
- 239000003513 alkali Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 13
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 19
- 239000002245 particle Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 210000003127 knee Anatomy 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000003206 sterilizing agent Substances 0.000 description 3
- 238000004887 air purification Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000008162 cooking oil Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model relates to a kind of purification air-conditioning device.Purification air-conditioning device described in the utility model comprises air-conditioner host and refrigeration compressor, by return air district, the cyclone dust collectors of below, forms with water washing dedust device, the wind outlet area of top in the air-conditioner host.Air through the utility model is handled can reach dedusting, removing exhaust gas and three purposes of sterilization, thus, can design and manufacture the product of a plurality of specifications, and the air quality that is used for family, school, hospital, factory and indoor public places is administered.
Description
Technical Field
The utility model belongs to the air purification equipment field relates to a purify air conditioner device.
Background
The air conditioner is an important device for air cleaning, and its structural composition usually includes a refrigeration part, filters of various stages, an air circulation part, an electrical control part, and the like. In addition to the general cooling and heating air conditioning functions, the existing purifying air conditioning device can realize the functions of temperature control, dehumidification and humidification by additionally arranging a humidity processor and a temperature processor. Some purifying air conditioners are additionally provided with devices for adjusting wind speed and ventilating. The air conditioner is applied to certain special industries, such as purification air conditioners in hospitals and pharmaceutical factories, and realizes the functions of controlling dust content, sterilizing and deodorizing by additionally arranging a filter, a sterilizing device and the like.
The current purification air conditioner used in hospitals or pharmaceutical factories is only a filter to retain dust particles and bacteria attached to the dust particles. The dust on the filter screen is still and the bacteria are still long, so the filter screen has musty smell in humid weather and when the air conditioner is opened again after being opened for a few days. This indicates that the filter is a "nano-stain" within the purification system, with the potential for secondary contamination.
The popularization of automobiles and the use of lead gasoline make lead pollution become social public nuisance, which poisons human vascular system, reproductive function and carcinogenesis and teratogenesis chronically. To date there are no household products that can remove lead contamination. The existing air conditioner has no effect on gaseous lead smoke pollution generated by automobile exhaust emission.
With the aggravation of urban air pollution, the increase of automobile exhaust emission, the development of industries such as medicine, electronics, machinery, food and the like, the development of purifying air conditioners is concerned. People expect to have the appearance of a multifunctional purification air conditioner which can systematically solve the functions of dust removal, waste gas removal, sterilization and the like.
Disclosure of Invention
The utility model aims at providing a purification air conditioning equipment of many efficiency.
The purifying air conditioner of the utility model comprises an air conditioner host and a refrigeration compressor, wherein the air conditioner host consists of a lower air return area, a cyclone dust collector, an upper washing dust collector and an air outlet area; the air return area is internally provided with an electric controller, an air feeder, a Venturi scrubber, an ozone generator and a concentrated alkali pool, air is sent into the cyclone dust collector through the Venturi scrubber by the air feeder, the generated gas is sent into the Venturi scrubber by the ozone generator, and alkali liquor in the concentrated alkali pool is sent into the cyclone dust collector; the cyclone dust collector is provided with a central sprayer, a packing layer, a sprayer and an electric demister from bottom to top; air is mixed with alkali liquor in the cyclone dust collector, rises through the packing layer, the sprayer and the electric demister, and then enters the water washing dust collector; the alkali liquor in the cyclone dust collector is respectively input into the central sprayer and the sprayer through the circulating pump and simultaneously returned to the Venturi scrubber, and the alkali liquor is atomized at the throat of the Venturi scrubber; the water washing dust remover is provided with a microporous aerator, a packing layer, a sprayer and an electric demister from bottom to top; liquid in the water washing dust remover is input into the sprayer through a circulating pump; the air rises through the packing layer, the sprayer and the electric demister and then enters the air outlet area; and a cooler is arranged in the air outlet area, and air is blown outfrom the air outlet after passing through the cooler.
The process flow of the utility model is as follows:
indoor return air is sent into the Venturi scrubber by the air feeder, when the air flow passes through the throat pipe, the air film on the surface of dust particles is broken, alkali liquor is atomized at the throat pipe and collides and condenses with the dust particles, then dust-containing air enters the lower part of the central spraying cyclone dust collector from a tangent line, the condensation of the dust particles is accelerated due to the sudden drop of the flow speed, and the dust particles are collected under the dual effects of rotary collision and water mist. Meanwhile, the acid gas in the air is subjected to chemical reaction under the action of alkali liquor, oxygen and ozone to generate salt substances which are dissolved in water and removed.
The primarily purified air continuously rises to enter the packing layer, and the alkali liquor is sprayed on the packing layer from top to bottom through the sprayer. In the filler layer, the air flow is subjected to resistance and the flow speed is reduced, so that finer dust particles can be trapped in the filler liquid net and the liquid film. The acid gas has longer time to react with the alkali liquor, and the absorption is more sufficient.
The purified air continuously rises through the electric demister and then enters the water washing dust remover. The gas in the microporous aerator is washed through the water layer in a bubbling mode, then rises, passes through the filler layer and is sprayed by water to elute dust particles and waste gas. Meanwhile, the water mist containing alkali liquor rising with the airflow is also removed by the clean water. If necessary, a sterilizing agent, such as hydrogen peroxide, can be added to the water to ensure adequate sterilization.
The twice purified air enters the cooler through the electric demister. And the purified air cooled to the specified temperature is finally discharged from the air outlet.
In the purification air conditioning device, the return air inlet is provided with a return air coarse strainer. After the indoor return air is coarsely filtered, the return air is sent into the Venturi scrubber by the blower.
The air return area is also provided with a timing external source fresh air inlet, and a fresh air coarse filter screen is arranged at the inlet. After rough filtration, the intermittently introduced fresh air is sent into the Venturi scrubber by the blower.
In the water washing dust remover, a liquid level valve is arranged below the filler and used for controlling the water level of the liquid.
And an electric heater is arranged behind the cooler in the air outlet area. The purified air is combined with a cooler and an electric heater to form air of a designated temperature and humidity range.
On the basis of the structure, an active carbon filter and/or a sub-efficient or efficient filter can be additionally arranged behind a cooler and an electric heater of the air outlet area.
When the purified air passes through the activated carbon filter, organic gases (such as furniture oil and knee volatiles) which cannot be removed, foul odor of sewage ditches (such as amine gases) and trace residual acid gases can be absorbed and removed by activated carbon (chemical adsorption).
The purified air is filtered by a sub-high efficiency or high efficiency filter to remove dust particles with a particle size of more than 0.5 micron, thereby achieving the purpose of air cleaning.
Compared with the prior art, the purifying air conditioner device has the following advantages:
(1) can remove various harmful waste gases at one time
The utility model adopts alkaline absorption liquid (more than pH 10) and adaptive process equipment, absorbs most harmful acid gases in the air and converts the harmful acid gases into harmless soluble salt substances through chemical reaction so as to be removed. The redundant alkali liquor is little, the components of the alkali liquor are similar to the properties of the waste water discharged by the washing machine, and the secondary pollution to the environment can not be caused. Organic gas (such as furniture oil knee volatile gas) and some organic amine gas (such as odor of foul water ditch) which cannot be treated by the lye can be removed by adsorption through a post-arranged activated carbon filter.
(2) The novel process method is applied to achieve the dust removal and sterilization in the true sense.
Since the treated dust is captured by the liquid and then discharged into the sewer, the dust is immediately discharged. The alkali liquor is used as absorption liquid and is also a sterilizing agent, which has direct and strong killing effect on bacteria and viruses attached to dust particles, so that the possibility of secondary pollution is absolutely absent. Thereby meeting the requirements of high-cleanness standard purification places such as hospitals or pharmaceutical factories on purifying air conditioners.
(3) Multiple sterilants can be provided to address the microbial problem.
Various sterilizing agents can be added into the water liquid of the water washing dust remover, and different action ways are utilized to carry out secondary sterilization on bacteria. For example, the excessive hydrogen peroxide can be quickly decomposed into oxygen in the air by using a strong oxidant hydrogen peroxide, and is harmless to human bodies.
(4) The utility model discloses combine domestic air conditioning technique and industrial purification air conditioning technique, make the purification air conditioner can popularize to the family.
At present, the purification air conditioner is only used for factory and mine enterprises, is high in cost, has tens of thousands of moving tracks to more than dozens of thousands of yuan, is difficult to install, is difficult to enter classrooms, offices and markets with concentrated crowds, and can not enter families. The utility model discloses because of its technological design who purifies is proper, so, make equipment volume diminish when guaranteeing the effect, can popularize in the community completely to take precautions against the airborne disease for the community and provide new hardware facilities.
(5) The lead fume generated by the automobile is difficult to remove only by a filtering method of 0.1 micron, the effect is good by a chemical method, and the removal rate reaches more than 90%. The utility model discloses the technique that uses can accomplish the effect of deleading purification completely, provides the facility of preventing plumbous cigarette poison for the city house of car cloud collection.
(6) Install in the house purification air conditioning equipment after, when cold winter weather, both can detach smoking waste gas and dry raise dust, can be again for air humidifying and introduce the new trend, more importantly can exterminate the germ in the indoor air through the air current circulation, prevent that alone from catching a cold crowd from infecting.
In conclusion, the air treated by the utility model can achieve the three purposes of dust removal, waste gas removal and sterilization, and therefore, products with a plurality of specifications can be designed and manufactured for air quality control of families, schools, hospitals, factories and indoor public places. The utility model discloses can also be used to the local air purification of special type trade, like the filling mouth of printing factory lead melting pot, food and cosmetics etc..
Drawings
Fig. 1 is a schematic view of the present invention.
Detailed Description
The purifying air conditioner of the utility model, as shown in fig. 1, comprises an air conditioner host and a refrigeration compressor 5, wherein the air conditioner host is composed of a lower air return area 1, a cyclone dust collector 2, an upper water washing dust collector 3 and an air outlet area 4; the air return area 1 is internally provided with an electric controller 11, a blower 12, a venturi scrubber 13, an ozone generator 14 and a concentrated alkali pool 15, air is sent into the cyclone dust collector 2 through the venturi scrubber 13 by the blower 12, gas generated by the ozone generator 14 is sent into the venturi scrubber 13, and alkali liquor in the concentrated alkali pool 15 is sent into the cyclone dust collector 2; the cyclone dust collector 2 is provided with a central sprayer 21, a packing layer 22, a sprayer 23 and an electric demister 24 from bottom to top; air is mixed with alkali liquor in the cyclone dust collector 2, rises through the packing layer 22, the sprayer 23 and the electric demister 24 and then enters the water washing dust collector 3; the alkali liquor in the cyclone dust collector 2 is respectively input into the central sprayer 21 and the sprayer 23 through the circulating pump 25 and simultaneously returned into the Venturi scrubber 13, and the alkali liquor is atomized at the throat of the Venturi scrubber 13; the water washing dust remover 3 is provided with a microporous aerator 31, a packing layer 32, a sprayer 33 and an electric demister 34 from bottom to top; the liquid in the water washing dust remover 3 is input into the sprayer 33 through the circulating pump 35; the air rises through the packing layer 32, the sprayer 33 and the electric demister 34 and then enters the air outlet area; a cooler 41 is arranged in the air outlet area 4, and air is blown out of an air outlet after passing through the cooler 41.
As shown in fig. 1, the return air zone 1 is provided with a return air coarse filter 16. After the indoor return air is coarsely filtered, the return air is sent into the Venturi scrubber by the blower.
As shown in fig. 1, the air return area 1 is further provided with a timing external fresh air inlet 17, and a fresh air coarse filter 18 is arranged at the inlet. After rough filtration, the intermittently introduced fresh air is sent into the Venturi scrubber by the blower.
As shown in FIG. 1, in the water scrubber 3, a liquid level valve 36 is arranged below the filler 32. When the liquid rises to a certain height, the liquid feeding is stopped.
As shown in FIG. 1, an electric heater 42, an activated carbon filter 43 and a sub-high efficiency or high efficiency filter 44 can be optionally added after the cooler 41 in the air outlet region 4.
The purified air is combined with a cooler and a heater to form air of a specified temperature and humidity range.
When the purified air passes through the activated carbon filter, organic gases (such as furniture oil and knee volatiles) which cannot be removed, foul odor of sewage ditches (such as amine gases) and trace residual acid gases can be absorbed and removed by activated carbon (chemical adsorption).
The purified air is filtered by a sub-high efficiency or high efficiency filter to remove dust particles with a particle size of more than 0.5 micron, thereby achieving the purpose of air cleaning.
The utility model removes the waste gas (mainly acid gas) in the air based on the alkali liquor (NaOH, Na)2CO3) Absorption of harmful acid gases, e.g. SO2、NOXLead fume, dietary fume and the like, and the principle is as follows:
removing SO as representative of industrial waste gas2：
Second, removing one of combustion and automobile fuel exhaust-NOX(NO、NO2)：
Removing gasoline combustion waste gas-gaseous lead smoke:
fourthly, removing waste gas generated in the production process of the fertilizer industry and the building material industry, namely Hydrogen Fluoride (HF):
fifthly, removing cooking oil fume:
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420095292.3U CN2844748Y (en) | 2004-11-18 | 2004-11-18 | The purification air-conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420095292.3U CN2844748Y (en) | 2004-11-18 | 2004-11-18 | The purification air-conditioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2844748Y true CN2844748Y (en) | 2006-12-06 |
Family
ID=37486697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200420095292.3U Expired - Fee Related CN2844748Y (en) | 2004-11-18 | 2004-11-18 | The purification air-conditioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2844748Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000475A (en) * | 2010-10-28 | 2011-04-06 | 江门三同新能源科技有限公司 | Environmental-protection treatment system for production process of lead-acid battery polar plate |
| CN103344008A (en) * | 2013-07-09 | 2013-10-09 | 武汉纺织大学 | Indoor air sterile washing technology and equipment |
| CN103542455A (en) * | 2013-10-14 | 2014-01-29 | 航天环境工程有限公司 | Building central air conditioning unit capable of removing fine particles |
| CN103673100A (en) * | 2013-12-09 | 2014-03-26 | 李刘睿 | Water-washing type air purifier |
| CN104776506A (en) * | 2015-04-30 | 2015-07-15 | 青岛鑫中天创新生物医药科技研究所有限公司 | Air washing purifying device |
| CN106369681A (en) * | 2016-10-27 | 2017-02-01 | 苏州倍安电子科技有限公司 | Wall-mounted new air purifying machine |
| CN110207358A (en) * | 2019-05-05 | 2019-09-06 | 常州大学 | A kind of Local Purification device for key area of performing the operation |
| CN111001253A (en) * | 2019-12-24 | 2020-04-14 | 扬州工业职业技术学院 | An intelligent electrical automatic dust removal device |
| CN111365787A (en) * | 2020-03-05 | 2020-07-03 | 杭州电子科技大学 | Washing air purification device |
| CN113531684A (en) * | 2021-06-29 | 2021-10-22 | 中国建筑第四工程局有限公司 | A fresh air dehumidification treatment device for underground engineering |
-
2004
- 2004-11-18 CN CN200420095292.3U patent/CN2844748Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000475A (en) * | 2010-10-28 | 2011-04-06 | 江门三同新能源科技有限公司 | Environmental-protection treatment system for production process of lead-acid battery polar plate |
| CN103344008A (en) * | 2013-07-09 | 2013-10-09 | 武汉纺织大学 | Indoor air sterile washing technology and equipment |
| CN103344008B (en) * | 2013-07-09 | 2016-11-23 | 武汉纺织大学 | The aseptic washing facility of room air |
| CN103542455B (en) * | 2013-10-14 | 2016-04-06 | 航天环境工程有限公司 | A kind of Central Air Conditioner Used in Buildings unit removing fine particle |
| CN103542455A (en) * | 2013-10-14 | 2014-01-29 | 航天环境工程有限公司 | Building central air conditioning unit capable of removing fine particles |
| CN103673100A (en) * | 2013-12-09 | 2014-03-26 | 李刘睿 | Water-washing type air purifier |
| CN104776506A (en) * | 2015-04-30 | 2015-07-15 | 青岛鑫中天创新生物医药科技研究所有限公司 | Air washing purifying device |
| CN104776506B (en) * | 2015-04-30 | 2017-11-03 | 青岛鑫中天创新生物医药科技研究所有限公司 | A kind of air water washing cleaning device |
| CN106369681A (en) * | 2016-10-27 | 2017-02-01 | 苏州倍安电子科技有限公司 | Wall-mounted new air purifying machine |
| CN110207358A (en) * | 2019-05-05 | 2019-09-06 | 常州大学 | A kind of Local Purification device for key area of performing the operation |
| CN111001253A (en) * | 2019-12-24 | 2020-04-14 | 扬州工业职业技术学院 | An intelligent electrical automatic dust removal device |
| CN111365787A (en) * | 2020-03-05 | 2020-07-03 | 杭州电子科技大学 | Washing air purification device |
| CN113531684A (en) * | 2021-06-29 | 2021-10-22 | 中国建筑第四工程局有限公司 | A fresh air dehumidification treatment device for underground engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061206 Termination date: 20091218 |