CN107913569A - High-efficiency type exhaust gas purification and treatment device - Google Patents
High-efficiency type exhaust gas purification and treatment device Download PDFInfo
- Publication number
- CN107913569A CN107913569A CN201711171638.1A CN201711171638A CN107913569A CN 107913569 A CN107913569 A CN 107913569A CN 201711171638 A CN201711171638 A CN 201711171638A CN 107913569 A CN107913569 A CN 107913569A
- Authority
- CN
- China
- Prior art keywords
- box
- treatment
- pipe
- exhaust gas
- inner cavity
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
Abstract
The present invention provides a kind of high-efficiency type exhaust gas purification and treatment device, belongs to environmental technology field, including treatment box, washing dust-extraction unit, adsorption box and cooler bin；The dedusting plate is tilted by mounting blocks and is staggered at left and right sides of the inner cavity for the treatment of box；The final dusting web plate is arranged on the upside of the inner cavity for the treatment of box；Be fixed at left side, the left side lower end of adsorption box above installing plate of the adsorption box are connected by appendix with cooler bin, and connecting valve with three-dimensional by exhaust pipe above the left side of cooler bin is connected, and the upper end that three-dimensional connects valve is provided with air outlet pipe；The left end end of water pump is connected by apparatus of the present invention with the first sparge pipe and the second sparge pipe respectively by water pipe, has the function of to carry out exhaust gas washing dedusting；Activated carbon adsorption plate is staggeredly equipped with the inner cavity of adsorption box, has the function of to carry out adsorption treatment to exhaust gas；The present apparatus has the characteristics that manufacture craft is simple, highly practical and waste gas purification effect is good.
Description
Technical field
The present invention relates to a kind of environmental protection facility, is specifically a kind of high-efficiency type exhaust gas purification and treatment device.
Background technology
As city is increasingly modernized, industrial pattern is more and more, and the living environment quality of people becomes increasingly
Difference；Exhaust gas, refers to the mankind in the poisonous and hazardous gas for producing with being discharged in life process, particularly chemical plant, steel plant, system
Pharmaceutical factory, and coking plant and oil plant etc., the exhaust gas smell of discharge is big, serious to pollute environment and influence health, big at present
Gas pollution is increasingly severe, and industrial waste gas cannot be directly discharged in air, if directly discharged in air, will result in ring
The pollution in border, it is in the prior art, bad to the treatment effect of exhaust gas, it is impossible to thoroughly gas to be purified, it is impossible to reach ring
The effect of guarantor；Because unreasonable some factors of grade of structure design, treatment effect is bad, does not reach emission request, after discharge still
Polluted to environment.
The content of the invention
In view of the above shortcomings of the prior art, the technical problem to be solved in the present invention is to provide a kind of height being recycled to
Effect formula exhaust gas purification and treatment device.
In order to solve the above technical problems, the present invention provides following technical solution：
A kind of high-efficiency type exhaust gas purification and treatment device, including treatment box, washing dust-extraction unit, adsorption box and cooler bin；The place
Reason case is welded and fixed by support column to be arranged on above supporting rack installing plate, and air inlet pipe is provided with below the left side for the treatment of box,
Intake valve is provided with above air inlet pipe；The dedusting web plate is arranged in the inner cavity for the treatment of box；The dedusting plate passes through installation
Block is tilted and is staggered in the inner cavity both sides for the treatment of box, and is arranged on above dedusting web plate；The final dusting web plate is set
On the upside of the inner cavity for the treatment of box；The washing dust-extraction unit includes water tank, blender, water pump, water pipe, the first sparge pipe, second
Sparge pipe, return duct and water check valve；The water tank is fixed at right end above installing plate；The blender is arranged on water
In the inner cavity of case；The water pump is fixed at right side above installing plate；The screen pack is arranged on the inner cavity for the treatment of box
Downside；The return duct connects treatment box with water tank, and water check valve is provided with above return duct；The upper end of the suction ventilator
It is connected by exhaust pipe with the upper end for the treatment of box, the lower end of suction ventilator is connected by exhaust pipe with adsorption box, adsorption box
It is fixed at left side, the left side lower end of adsorption box above installing plate by appendix with cooler bin to be connected, cooler bin is solid
Surely left end above installing plate is arranged on, connecting valve with three-dimensional by exhaust pipe above the left side of cooler bin is connected, and three-dimensional connects
The upper end of port valve is provided with air outlet pipe；The lower end of first sparge pipe has been placed equidistant with nozzle；It is left above the appendix
Side is provided with even stomata.
As the further improvement project of the present invention：The left end end of the water pump by water pipe respectively with the first sparge pipe and
Second sparge pipe is connected, and the first sparge pipe and the second sparge pipe are arranged on the upside of the inner cavity for the treatment of box.
As the further improvement project of the present invention：The upper and lower sides of the dedusting plate are provided with equidistant dedusting support plate.
As the further improvement project of the present invention：Activated carbon adsorption plate is staggeredly equipped with the inner cavity of the adsorption box.
As further improvement of the present invention scheme：The lower end that the three-dimensional connects valve passes through circulation pipe and air inlet pipe phase
Connection.
Compared with prior art, the beneficial effects of the invention are as follows：
Apparatus of the present invention are provided with equidistant dedusting support plate in the upper and lower sides of dedusting plate, have the function of to strengthen efficiency of dust collection；Will
The left end end of water pump is connected with the first sparge pipe and the second sparge pipe respectively by water pipe, the first sparge pipe and the second sparge pipe
It is arranged on the upside of the inner cavity for the treatment of box, has the function of to carry out exhaust gas washing dedusting；It is staggered in the inner cavity of adsorption box
Active charcoal adsorption plate, has the function of to carry out adsorption treatment to exhaust gas；By three-dimensional connect valve lower end by circulation pipe and into
Tracheae is connected, and has the function of that circulation, which can be achieved, purifies exhaust gas；The present apparatus is simple, highly practical with manufacture craft
With waste gas purification effect it is good the characteristics of.
Brief description of the drawings
Fig. 1 is the structure diagram of high-efficiency type exhaust gas purification and treatment device；
Fig. 2 is the structure diagram of dedusting plate in high-efficiency type exhaust gas purification and treatment device；
Fig. 3 is the structure diagram of the first sparge pipe in high-efficiency type exhaust gas purification and treatment device；
Fig. 4 is the structure diagram of appendix in high-efficiency type exhaust gas purification and treatment device；
In figure：1- installing plates, 2- water tanks, 3- blenders, 4- water pumps, 5- water pipes, 6- dedustings web plate, 7- mounting blocks, 8- dedusting plates,
The first sparge pipes of 9-, 10- final dustings web plate, the second sparge pipes of 11-, 12- treatment boxes, 13- exhaust pipes, 14- air outlet pipes, 15-
Suction ventilator, 16- three-dimensionals connect valve, 17- check valves, 18- circulation pipes, 19- adsorption boxes, 20- cooler bins, 21- appendixs, 22- and live
Property charcoal adsorption plate, 23- intake valves, 24- air inlet pipe, 25- screen packs, 26- support columns, 27- return ducts, 28- water check valves,
29- dedustings support plate, 30- nozzles, the even stomatas of 31-.
Embodiment
The technical solution of this patent is described in more detail with reference to embodiment.
The embodiment of this patent is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and it is not intended that limitation to this patent.
In the description of this patent, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, are for only for ease of description this patent and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to this patent.
, it is necessary to illustrate in the description of this patent, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " should be interpreted broadly, for example, it may be being fixedly linked, setting or be detachably connected, set
Put, or be integrally connected, set.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Referring to Fig. 1, a kind of high-efficiency type exhaust gas purification and treatment device is present embodiments provided, including treatment box 12, washing
Dust-extraction unit, adsorption box 19 and cooler bin 20；The treatment box 12 is welded and fixed by support column 26 is arranged on supporting rack installation
Above plate 1, air inlet pipe 24 is provided with below the left side for the treatment of box 12, intake valve 23 is provided with above air inlet pipe 24；It is described
Dedusting web plate 6 is arranged in the inner cavity for the treatment of box 12, has the function of tentatively to filter exhaust gas；The dedusting plate 8 passes through
Mounting blocks 7 are tilted and are staggered in the inner cavity both sides for the treatment of box 12, and are arranged on above dedusting web plate 6, have mitigation of gases
Flow velocity and the function of dedusting；The final dusting web plate 10 is arranged on the upside of the inner cavity for the treatment of box 12, have again to exhaust gas into
The function of row processing；The washing dust-extraction unit includes water tank 2, blender 3, water pump 4, water pipe 5, the spray of the first sparge pipe 9, second
Water pipe 11, return duct 27 and water check valve 28；The water tank 2 is fixed at right end above installing plate 1；The blender 3
It is arranged in the inner cavity of water tank 2, has the function of that the dedusting agents such as dust suppressant are mixed；The water pump 4 is fixedly installed
The right side above installing plate 1, the left end end of water pump 4 is connected with the first sparge pipe 9 with the second sparge pipe 11 respectively by water pipe 5
Connect, the first sparge pipe 9 and the second sparge pipe 11 are arranged on the upside of the inner cavity for the treatment of box 12, have and washing dedusting is carried out to exhaust gas
Function；The screen pack 25 is arranged on the downside of the inner cavity for the treatment of box 12, has the function of to carry out filtration treatment to waste water；It is described
Return duct 27 connects treatment box 12 and water tank 2, and water check valve 28 is provided with above return duct 27, has to the water after cleaning
Carry out the function of secondary use；The upper end of the suction ventilator 15 is connected by the upper end of exhaust pipe 13 with treatment box 12, air draught
The lower end of machine 15 is connected by exhaust pipe 13 with adsorption box 19, and adsorption box 19 is fixed at left side above installing plate 1,
Activated carbon adsorption plate 22 is staggeredly equipped with the inner cavity of adsorption box 19, has the function of to carry out adsorption treatment, adsorption box to exhaust gas
19 left side lower end is connected by appendix 21 with cooler bin 20, and cooler bin 20 is fixed at left end above installing plate 1,
Having the function of to cool down to exhaust gas, connecting valve 16 with three-dimensional by exhaust pipe 13 above the left side of cooler bin 20 is connected,
The upper end that three-dimensional connects valve 16 is provided with air outlet pipe 14, and the lower end that three-dimensional connects valve 16 is connected by circulation pipe 18 with air inlet pipe 24
Connect, have the function of that circulation, which can be achieved, purifies exhaust gas.
Referring to Fig. 2, in the present invention, the upper and lower sides of the dedusting plate 8 are provided with equidistant dedusting support plate 29, have enhancing
The function of efficiency of dust collection.
Referring to Fig. 3, in the present invention, the lower end of first sparge pipe 9 has been placed equidistant with nozzle 30.
Referring to Fig. 4, in the present invention, left side is provided with even stomata 31 above the appendix 21, has uniform outlet
Easy to the function of dedusting cooling.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from the knowledge that one skilled in the relevant art possesses
Make a variety of changes.
Claims (5)
1. a kind of high-efficiency type exhaust gas purification and treatment device, including treatment box, washing dust-extraction unit, adsorption box and cooler bin；It is special
Sign, which is that the treatment box is welded and fixed by support column, to be arranged on above supporting rack installing plate, is set below the left side for the treatment of box
Air inlet pipe is equipped with, intake valve is provided with above air inlet pipe；The dedusting web plate is arranged in the inner cavity for the treatment of box；The dedusting
Plate is tilted by mounting blocks and is staggered in the inner cavity both sides for the treatment of box, and is arranged on above dedusting web plate；It is described secondary to remove
Dirt web plate is arranged on the upside of the inner cavity for the treatment of box；The washing dust-extraction unit includes water tank, blender, water pump, water pipe, the first spray
Water pipe, the second sparge pipe, return duct and water check valve；The water tank is fixed at right end above installing plate；The stirring
Device is arranged in the inner cavity of water tank；The water pump is fixed at right side above installing plate；The screen pack is arranged on place
On the downside of the inner cavity for managing case；The return duct connects treatment box with water tank, and water check valve is provided with above return duct；The suction
The upper end of wind turbine is connected by exhaust pipe with the upper end for the treatment of box, and the lower end of suction ventilator is connected by exhaust pipe with adsorption box
Connect, adsorption box is fixed at left side above installing plate, and the left side lower end of adsorption box is connected by appendix with cooler bin
Connect, cooler bin is fixed at left end above installing plate, and the left side top of cooler bin connects valve phase with three-dimensional by exhaust pipe
Connection, the upper end that three-dimensional connects valve are provided with air outlet pipe；The lower end of first sparge pipe has been placed equidistant with nozzle；The gas transmission
Left side is provided with even stomata above pipe.
2. high-efficiency type exhaust gas purification and treatment device according to claim 1, it is characterized in that, the left end end of the water pump passes through
Water pipe is connected with the first sparge pipe and the second sparge pipe respectively, and the first sparge pipe and the second sparge pipe are arranged on the interior for the treatment of box
On the upside of chamber.
3. high-efficiency type exhaust gas purification and treatment device according to claim 1, it is characterized in that, the upper and lower sides of the dedusting plate are set
It is equipped with equidistant dedusting support plate.
4. high-efficiency type exhaust gas purification and treatment device according to claim 1, it is characterized in that, handed in the inner cavity of the adsorption box
Mistake is provided with activated carbon adsorption plate.
5. high-efficiency type exhaust gas purification and treatment device according to claim 1, it is characterized in that, the three-dimensional connects the lower end of valve
It is connected by circulation pipe with air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171638.1A CN107913569A (en) | 2017-11-22 | 2017-11-22 | High-efficiency type exhaust gas purification and treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171638.1A CN107913569A (en) | 2017-11-22 | 2017-11-22 | High-efficiency type exhaust gas purification and treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107913569A true CN107913569A (en) | 2018-04-17 |
Family
ID=61896802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711171638.1A Pending CN107913569A (en) | 2017-11-22 | 2017-11-22 | High-efficiency type exhaust gas purification and treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107913569A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723545A (en) * | 2018-06-13 | 2018-11-02 | 李伟 | A kind of environment-friendly type scolding tin flue gas processing device |
| CN108744827A (en) * | 2018-06-26 | 2018-11-06 | 安徽悦达环保科技有限公司 | A kind of environmental protection type for smoke purification apparatus |
| CN108854453A (en) * | 2018-07-03 | 2018-11-23 | 无锡南理工科技发展有限公司 | A kind of chemical industry toxic gas environment-friendly processing unit and its application method |
| CN109200724A (en) * | 2018-10-30 | 2019-01-15 | 湖南城头山红薯食品科技有限公司 | A kind of boiler combustion tail gas purifying device |
| CN109595918A (en) * | 2018-11-19 | 2019-04-09 | 湖南图强科技开发有限公司 | Drying unit is used in a kind of processing of cereal |
| CN110124494A (en) * | 2019-05-16 | 2019-08-16 | 扬州绿泉环保工程技术有限公司 | A kind of high-temperature waste gas treating apparatus |
| CN110327742A (en) * | 2019-08-05 | 2019-10-15 | 巢湖云海镁业有限公司 | A kind of exhaust gas absorption device of aluminum alloy die casting production |
| CN110898652A (en) * | 2019-12-16 | 2020-03-24 | 梁文豪 | Gas recovery device for chemical production |
| CN111482036A (en) * | 2020-05-10 | 2020-08-04 | 郑雁 | Comprehensive treatment device for dust-containing waste gas |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803813A (en) * | 1971-05-18 | 1974-04-16 | M Yuzawa | Clarifying device of exhaust gas |
| CN202683025U (en) * | 2012-06-04 | 2013-01-23 | 遵化市北方锅炉有限公司 | Garbage incineration flue gas purification device |
| CN202860348U (en) * | 2012-09-27 | 2013-04-10 | 安徽省电力科学研究院 | Purification treatment device for smoke gas generated by combustion of electric wires and cables |
| CN203642363U (en) * | 2013-10-24 | 2014-06-11 | 武汉方元环境科技股份有限公司 | Multifunctional photochemical air purifying equipment |
| CN104307278A (en) * | 2014-10-31 | 2015-01-28 | 南宁市英德肥业有限责任公司 | Water curtain dust precipitator |
| CN205182457U (en) * | 2015-12-11 | 2016-04-27 | 陆哲明 | Contain chromic acid gas multi -stage purification recovery unit |
| CN105833646A (en) * | 2016-05-04 | 2016-08-10 | 刘操 | Purification unit of self-protection industrial waste gas scrubbing tower |
-
2017
- 2017-11-22 CN CN201711171638.1A patent/CN107913569A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803813A (en) * | 1971-05-18 | 1974-04-16 | M Yuzawa | Clarifying device of exhaust gas |
| CN202683025U (en) * | 2012-06-04 | 2013-01-23 | 遵化市北方锅炉有限公司 | Garbage incineration flue gas purification device |
| CN202860348U (en) * | 2012-09-27 | 2013-04-10 | 安徽省电力科学研究院 | Purification treatment device for smoke gas generated by combustion of electric wires and cables |
| CN203642363U (en) * | 2013-10-24 | 2014-06-11 | 武汉方元环境科技股份有限公司 | Multifunctional photochemical air purifying equipment |
| CN104307278A (en) * | 2014-10-31 | 2015-01-28 | 南宁市英德肥业有限责任公司 | Water curtain dust precipitator |
| CN205182457U (en) * | 2015-12-11 | 2016-04-27 | 陆哲明 | Contain chromic acid gas multi -stage purification recovery unit |
| CN105833646A (en) * | 2016-05-04 | 2016-08-10 | 刘操 | Purification unit of self-protection industrial waste gas scrubbing tower |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723545A (en) * | 2018-06-13 | 2018-11-02 | 李伟 | A kind of environment-friendly type scolding tin flue gas processing device |
| CN108744827A (en) * | 2018-06-26 | 2018-11-06 | 安徽悦达环保科技有限公司 | A kind of environmental protection type for smoke purification apparatus |
| CN108854453A (en) * | 2018-07-03 | 2018-11-23 | 无锡南理工科技发展有限公司 | A kind of chemical industry toxic gas environment-friendly processing unit and its application method |
| CN109200724A (en) * | 2018-10-30 | 2019-01-15 | 湖南城头山红薯食品科技有限公司 | A kind of boiler combustion tail gas purifying device |
| CN109595918A (en) * | 2018-11-19 | 2019-04-09 | 湖南图强科技开发有限公司 | Drying unit is used in a kind of processing of cereal |
| CN110124494A (en) * | 2019-05-16 | 2019-08-16 | 扬州绿泉环保工程技术有限公司 | A kind of high-temperature waste gas treating apparatus |
| CN110327742A (en) * | 2019-08-05 | 2019-10-15 | 巢湖云海镁业有限公司 | A kind of exhaust gas absorption device of aluminum alloy die casting production |
| CN110898652A (en) * | 2019-12-16 | 2020-03-24 | 梁文豪 | Gas recovery device for chemical production |
| CN110898652B (en) * | 2019-12-16 | 2021-12-17 | 山东威泰精细化工有限公司 | Gas recovery device for chemical production |
| CN111482036A (en) * | 2020-05-10 | 2020-08-04 | 郑雁 | Comprehensive treatment device for dust-containing waste gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107913569A (en) | High-efficiency type exhaust gas purification and treatment device | |
| CN107899346A (en) | Industrial waste gas high-efficiency filtering and purifying device | |
| CN107754535A (en) | Environment-protecting type exhaust air purifying processing device | |
| CN211885956U (en) | Exhaust gas purification device of thermal power factory | |
| CN107670492A (en) | High-efficiency type industrial waste gas purifying processing unit | |
| CN107983065A (en) | Photocatalysis rinsing type industrial waste-gas purifier | |
| CN107381960A (en) | Environment-friendly type industrial waste water purifying processing unit | |
| CN108144411A (en) | Environmental protective type chemical waste gas purification apparatus | |
| CN107694259A (en) | A kind of environment-friendly type desulfurating dust-removing equipment | |
| CN107670497A (en) | Industrial waste gas purifying processing unit with Waste Heat Reuse | |
| CN107344801A (en) | Environmental protection purifying type household waste water reutilizing device | |
| CN107983105A (en) | Sour gas dedusting and purifying device | |
| CN214050935U (en) | Flue gas purification tower | |
| CN211611974U (en) | Filtering device for scrap steel smelting | |
| CN212999267U (en) | Air-cooled desulfurization denitration dust removal deodorization environment-friendly device | |
| CN211676923U (en) | Reducing electric furnace slag tap fore-hearth and slag pond flue gas environmental protection sedimentation system | |
| CN209934371U (en) | Environment-friendly waste gas purification device | |
| CN209371354U (en) | A kind of kitchen fumes cleaning equipment | |
| CN208727166U (en) | A kind of industrial waste gas filter device | |
| CN207430039U (en) | Convenient for the exhaust gas purification and treatment device of removal of impurities | |
| CN104971573A (en) | Air purification spraying cooling tower | |
| CN206837757U (en) | A kind of dust, the sewerage integrated processing system of the building block workshop that pressurizes | |
| CN205269355U (en) | Waste gas purification apparatus | |
| CN211725169U (en) | Automatic filtering system for waste gas grease | |
| CN211753549U (en) | Environment-friendly exhaust gas filtering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180417 |