CN105749685B - Multifunctional dust peculiar smell absorption cleaning processing unit - Google Patents
Multifunctional dust peculiar smell absorption cleaning processing unit Download PDFInfo
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- CN105749685B CN105749685B CN201610252032.XA CN201610252032A CN105749685B CN 105749685 B CN105749685 B CN 105749685B CN 201610252032 A CN201610252032 A CN 201610252032A CN 105749685 B CN105749685 B CN 105749685B
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- tower
- pipe
- polyfunctional reactant
- peculiar smell
- processing unit
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- 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
- B01D50/40—Combinations of devices covered by groups B01D45/00 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
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- 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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Present invention is mainly applied to the process fields of factories and miness workshop dust peculiar smell, more particularly to a kind of Multifunctional dust peculiar smell absorption cleaning processing unit, including input channel, air admission hole is distributed on input channel, setting absorbing cover above air admission hole, the top setting discharge line of absorbing cover, the end of discharge line connects the first polyfunctional reactant tower, the top of first polyfunctional reactant tower connects the second polyfunctional reactant tower by intermediate conduit, second polyfunctional reactant tower gas outlet is sequentially connected acid-base neutralization reaction device by air outlet pipe according to outgassing direction, cyclone purifier, activated carbon adsorption reactor, high temperature combustion furnace, and fresh air delivery pipe.The present invention carries out cooling liquefaction, water dissolution, absorption, acid-base neutralization, burning, three-level precipitation filtering by the air to pollution, energy-saving and emission-reduction, environmentally protective.
Description
Technical field
The present invention relates to a kind of Multifunctional dust peculiar smell absorption cleaning processing units, and it is different to be mainly used in factories and miness workshop dust
The process field of taste.
Background technology
Dust, the peculiar smell in existing major part factories and miness workshop are all directly discharged into air or are carried out through other processing systems preliminary
Processing is directly discharged into air, pollutes the environment.
Invention content
The technical problem to be solved by the present invention is to：It is rational in infrastructure to provide one kind, can be realized environmentally protective with energy-saving and emission-reduction
Multifunctional dust peculiar smell absorption cleaning processing unit.
Multifunctional dust peculiar smell absorption cleaning processing unit of the present invention including input channel, is divided on input channel
It is furnished with air admission hole, setting absorbing cover above air admission hole, the top setting discharge line of absorbing cover, the end connection of discharge line the
One polyfunctional reactant tower, sets air-introduced machine on discharge line, and the top of the first polyfunctional reactant tower passes through intermediate conduit connection the
Two polyfunctional reactant towers, the second polyfunctional reactant tower gas outlet are sequentially connected acid according to outgassing direction by air outlet pipe by pipeline
Alkali neutralization reactor, cyclone purifier and activated carbon adsorption reactor, the first polyfunctional reactant tower bottom and the second Multifunctional reverse
The two tower connecting tubes that tower bottom setting is answered to be connected, the second polyfunctional reactant tower side set blow-off pipe and overflow pipe respectively, arrange
Dirt pipe is located at the second polyfunctional reactant tower bottom, and blowdown valve is set on blow-off pipe, and overflow pipe is located above blow-off pipe, eddy flow purification
There is drain pipe on device, the end of blow-off pipe, drain pipe and overflow pipe is all connected with pond, high pressure diving pump, high pressure being set in pond
Immersible pump connects high pressure water pipeline, and spray tube is respectively provided in the first polyfunctional reactant tower and the second polyfunctional reactant tower, sprays
Pipe connects high pressure water pipeline respectively.
Lower enters the input channel of outdoor fresh air, and fresh air enters workshop from the air admission hole of input channel
Interior, under the gravitation of air-introduced machine, pollution air enters in absorbing cover, while supplement fresh air, and the air of pollution is through discharge pipe
Road enters in the first polyfunctional reactant tower, when the air of pollution is through discharge line, is sprayed by spray tube, a part of particle object is suitable
Flow enter the first polyfunctional reactant tower in, another part gas the first polyfunctional reactant tower processing after by intermediate conduit into
Enter the second polyfunctional reactant tower bottom, since the first polyfunctional reactant tower bottom and the setting of the second polyfunctional reactant tower bottom are connected
Two logical tower connecting tubes, the liquid of the first polyfunctional reactant tower bottom enters the second polyfunctional reactant tower bottom, more than second
The gas of functional response tower bottom passes through liquid handling, and a part of particle is stayed in the liquid of the second polyfunctional reactant tower bottom,
The air outlet pipe of remaining gas from the second polyfunctional reactant top of tower enters acid-base neutralization reaction device, cyclone purifier, activated carbon and inhales
Acid-base neutralization, eddy flow, absorption are carried out in reaction enclosure device respectively, reduces the pollution to air, is realized environmentally protective, pollution-free.The
Liquid after reaction, is discharged into pond by blow-off pipe, overflow pipe and the drain pipe that two polyfunctional reactant tower sides are set respectively,
Etc. precipitations recycling after repeat utilize.High pressure diving pump is set in pond, it can be by the water after recovery processing for spray tube
Water source, it is energy saving.Air-introduced machine air inducing, air blast are integrally dual-purpose, reach energy-efficient effect.Second polyfunctional reactant tower bottom blowdown
If the blowdown valve on pipe does not overhaul cleaning underground tank, blowdown valve is in Normal Shutdown state.
The input channel is set as fresh air input channel located underground, and air inlet is provided at the top of input channel
Hole.Enter in plant building convenient for live gas.
The first section of the discharge line is located at the top of absorbing cover, and end is located in the first polyfunctional reactant tower.It is convenient for
Pollution air is collected and handled.
The first polyfunctional reactant tower and the second polyfunctional reactant tower include tower body, grid setting up and down in tower body
Plate, filler is set on waffle slab, and spray tube is located above filler.Multistep treatment can be carried out to the air of pollution, realized pollution-free
Blowdown.
Partition board in the pond is set, the first sedimentation basin, the second sedimentation basin and recycling water are set as by partition board
Pond, blow-off pipe, drain pipe and overflow pipe are all connected with the first sedimentation basin, and high pressure diving pump is located in recycling pond, blow-off pipe
It is connected on overflow pipe with drain pipe.It is used after carrying out multi stage precipitation to the water of recycling, improves the cleanliness factor of water.
Between first sedimentation basin and the second sedimentation basin, the second sedimentation basin and recycling pond between the row of being respectively provided with
Water pipe.
High pressure spray water nozzle is distributed on the spray tube.
The filler is set as porous hollow sphere.
The activated carbon adsorption reactor gas outlet connects high temperature combustion furnace by pipeline, and high temperature combustion furnace connection is fresh
Air discharge pipe sets valve on the pipeline between activated carbon adsorption reactor and high temperature combustion furnace, and the front end of valve connects back to
Flow tube, reflux pipe end lead to input pipe side, air admission hole are distributed on return duct, valve is set on return duct.This system is just
When normally open, the valve between activated carbon adsorption reactor and high temperature combustion furnace is closed, and the valve on return duct opens, and handles well
Fresh air enter back into plant building, increase air inlet at double, not only effect is good, this total system just becomes
One large-size air conditioning makes cool in summer and warm in winter in plant building, the valve on closing volume pipe, opens activated carbon adsorption reactor and height
Valve between warm combustion furnace makes gas enter combustion furnace, and plays blasting action, energy saving.
In addition, in order to ensure the effect of the spray of two polyfunctional reactant towers, two polyfunctional reactant towers is needed to pass through overflow
The water that pipe overflow flows to spray tube to the water in pond and out of pond by high pressure diving pump keeps balance, needs periodically to adjust water
Water in pond if water level is reduced, needs to add water into pond, to ensure water source sufficient in pond.
To improve the utilization rate of water pool inner water, in the case where water quality is not exceeded, can periodically discharge, such as irrigating
Etc. other fields, the sediment in two sedimentation basins is also required to periodic cleaning, on the one hand improves water quality, on the other hand can recycle again
It utilizes.
The beneficial effects of the invention are as follows：
Cooling liquefaction, water dissolution, absorption, acid-base neutralization, burning, three-level precipitation filtering are carried out by the air to pollution,
It is energy-saving and emission-reduction, environmentally protective.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the enlarged structure schematic diagram of the first polyfunctional reactant tower and the second polyfunctional reactant tower.
In figure：1st, input channel；2nd, air admission hole；3rd, pollution sources；4th, absorbing cover；5th, discharge line；6th, valve；7th, it sprays
Pipe；8th, the first polyfunctional reactant tower；9th, filler；10th, air-introduced machine；11st, intermediate conduit；12nd, high pressure water pipeline；13rd, overflow pipe；
14th, blow-off pipe；15th, acid-base neutralization reaction device；16th, cyclone purifier；17th, activated carbon adsorption reactor；18th, high temperature combustion furnace；
19th, fresh air delivery pipe；20th, the first sedimentation basin；21st, the second sedimentation basin；22nd, pond is reused；23rd, high pressure diving pump；
24th, the second polyfunctional reactant tower；25th, air outlet pipe；26th, two tower connecting tube；27th, drain pipe；28th, waffle slab；29th, it sprays water with high pressure
Mouth；30th, drainpipe；31st, return duct.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, Multifunctional dust peculiar smell absorption cleaning processing unit of the present invention, including input pipe
Air admission hole 2,2 top setting absorbing cover 4 of air admission hole, the top setting discharge line of absorbing cover 4 are distributed on input channel 1 for road 1
5, the end of discharge line 5 connects the first polyfunctional reactant tower 8, and air-introduced machine 10, the first polyfunctional reactant are set on discharge line 5
The top of tower 8 connects the second polyfunctional reactant tower 24 by intermediate conduit 11, and 24 gas outlet of the second polyfunctional reactant tower is by going out
Tracheae 25 is sequentially connected acid-base neutralization reaction device 15, cyclone purifier 16, activated carbon adsorption reactor 17 according to outgassing direction, the
The two tower connecting tubes 26 that one polyfunctional reactant tower, 8 bottom is connected with the setting of 24 bottom of the second polyfunctional reactant tower, work(more than second
24 side of energy reaction tower sets blow-off pipe 14 and overflow pipe 13 respectively, and blow-off pipe 14 is located at 24 bottom of the second polyfunctional reactant tower,
Blowdown valve is set on blow-off pipe 14, and overflow pipe 13 is located at 14 top of blow-off pipe, has drain pipe 27, blow-off pipe on cyclone purifier 16
14th, the end of drain pipe 27 and overflow pipe 13 is all connected with pond, setting high pressure diving pump 23 in pond, high pressure diving pump 23 connects
Spray tube 7 is respectively provided in high pressure water pipeline 12, the first polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24, spray tube 7 divides
It Lian Jie not high pressure water pipeline 12.Input channel 1 is set as fresh air input channel located underground, 1 top of input channel
It is provided with air admission hole 2.The first section of discharge line 5 is located at the top of absorbing cover 4, and end is located in the first polyfunctional reactant tower 8.First
8 and second polyfunctional reactant tower 24 of polyfunctional reactant tower includes tower body, waffle slab 28 setting up and down in tower body, on waffle slab 28
Filler 9 is set, and spray tube 7 is located at 9 top of filler.Partition board in pond is set, the first sedimentation basin 20, second is set as by partition board
Sedimentation basin 21 and recycling pond 22, blow-off pipe 14, drain pipe 27 and overflow pipe 13 are all connected with the first sedimentation basin 20, and high pressure is dived
Water pump 23 is located in recycling pond 22, and blow-off pipe 14 and drain pipe 27 are connected on overflow pipe 13.First sedimentation basin 20 with
Drainpipe 30 is respectively provided between second sedimentation basin 21, between the second sedimentation basin 21 and recycling pond 22.Divide equally on spray tube 7
It is furnished with high pressure spray water nozzle 29.Filler 9 is set as porous hollow sphere.17 gas outlet of activated carbon adsorption reactor is connected high by pipeline
Warm combustion furnace 18, high temperature combustion furnace 18 connect fresh air delivery pipe 19, activated carbon adsorption reactor 17 and high temperature combustion furnace 18
Between pipeline on valve 6 is set, the front end connection return duct 31 of valve, 31 end of return duct leads to input pipe side, flows back
Air admission hole 2 is distributed on pipe 31, valve 6 is set on return duct 31.Wherein the first polyfunctional reactant tower 8 and the second polyfunctional reactant
24 bottom water level of tower is 300mm~350mm, and the pipeline opening into the first polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24 exists
150mm or so above the horizontal plane.
Lower enters the input channel 1 of outdoor fresh air, and fresh air enters factory from the air admission hole 2 of input channel 1
In room, under the gravitation of air-introduced machine 10, pollution air enters in absorbing cover 4, while supplement fresh air, what pollution sources 3 generated
The air of pollution enters through discharge line 5 in the first polyfunctional reactant tower 8, when the air of pollution is through discharge line 5, passes through spray
Pipe 7 sprays, and a part of particle object is flowed downstream into 8 bottom of the first polyfunctional reactant tower, and another part gas is multi-functional first
Enter 24 bottom of the second polyfunctional reactant tower by intermediate conduit 11 after the processing of reaction tower 8, due to 8 bottom of the first polyfunctional reactant tower
The two tower connecting tubes 26 that portion is connected with the setting of 24 bottom of the second polyfunctional reactant tower, the liquid of 8 bottom of the first polyfunctional reactant tower
Body enters 24 bottom of the second polyfunctional reactant tower, into 24 bottom of the second polyfunctional reactant tower gas by liquid handling, one
Partial particulate is stayed in the liquid of 24 bottom of the second polyfunctional reactant tower, and remaining gas is from the top of the second polyfunctional reactant tower 24
Air outlet pipe 25 sequentially enters acid-base neutralization reaction device 15, cyclone purifier 16, activated carbon adsorption reactor 17, high temperature combustion furnace
18 and fresh air delivery pipe 19 in carry out the processing such as acid-base neutralization, eddy flow, absorption, burning respectively, finally discharge fresh sky
Gas reduces the pollution to air, realizes environmentally protective, pollution-free.The blowdown that second polyfunctional reactant tower, 24 side is set respectively
Liquid after reaction is discharged into pond by pipe 14 and overflow pipe 13 and drain pipe 27, and precipitations is waited to be repeated after recycling and are utilized.Water
High pressure diving pump 23 in pond is set, the water after recovery processing can be used for the water source of spray tube 7, it is energy saving.Successively enter
The gas of first polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24 is to first pass through liquefaction processing, then through two-stage filler 9
It filters, spray tube sprays twice.
Claims (8)
1. a kind of Multifunctional dust peculiar smell absorption cleaning processing unit, it is characterised in that：Including input channel (1), input channel
(1) the first air admission hole is distributed on, absorbing cover (4), the top setting discharge line of absorbing cover (4) are set above the first air admission hole
(5), the end of discharge line (5) connects the first polyfunctional reactant tower (8), setting air-introduced machine (10) on discharge line (5), and first
The top of polyfunctional reactant tower (8) connects the second polyfunctional reactant tower (24), the second polyfunctional reactant by intermediate conduit (11)
Tower (24) gas outlet passes sequentially through pipeline according to outgassing direction by air outlet pipe (25) and connects acid-base neutralization reaction device (15), eddy flow
Clarifier (16) and activated carbon adsorption reactor (17), the first polyfunctional reactant tower (8) bottom and the second polyfunctional reactant tower
(24) the two tower connecting tubes (26) that bottom setting is connected, second polyfunctional reactant tower (24) side sets blow-off pipe (14) respectively
With overflow pipe (13), blow-off pipe (14) sets blowdown valve positioned at second polyfunctional reactant tower (24) bottom, blow-off pipe on (14), overflows
Flow tube (13) has drain pipe (27), blow-off pipe (14), drain pipe (27) above blow-off pipe (14) on cyclone purifier (16)
Pond is all connected with the end of overflow pipe (13), high pressure diving pump (23), high pressure diving pump (23) connection high pressure are set in pond
Spray tube (7) is respectively provided in water pipeline (12), the first polyfunctional reactant tower (8) and the second polyfunctional reactant tower (24), is sprayed
It manages (7) and connects high pressure water pipeline (12) respectively；Activated carbon adsorption reactor (17) gas outlet connects high-temp combustion by pipeline
Stove (18), high temperature combustion furnace (18) connection fresh air delivery pipe (19), activated carbon adsorption reactor (17) and high temperature combustion furnace
(18) valve (6) is set on the pipeline between, and the front end connection return duct (31) of valve, return duct (31) end leads to input pipe
Side, is distributed with the second air admission hole on return duct (31), setting valve (6) on return duct (31).
2. Multifunctional dust peculiar smell absorption cleaning processing unit according to claim 1, it is characterised in that：Input channel
(1) fresh air input channel located underground is set as, the first air admission hole is provided at the top of input channel (1).
3. Multifunctional dust peculiar smell absorption cleaning processing unit according to claim 1, it is characterised in that：Discharge line
(5) first section is located at the top of absorbing cover (4), and end is located in the first polyfunctional reactant tower (8).
4. Multifunctional dust peculiar smell absorption cleaning processing unit according to claim 1, it is characterised in that：First is multi-functional
Reaction tower (8) and the second polyfunctional reactant tower (24) include tower body, waffle slab (28) setting up and down in tower body, waffle slab (28)
Upper setting filler (9), spray tube (7) is above filler (9).
5. Multifunctional dust peculiar smell absorption cleaning processing unit according to claim 1, it is characterised in that：It is set in pond
Partition board is set as the first sedimentation basin (20), the second sedimentation basin (21) and recycling pond (22), blow-off pipe by partition board
(14), drain pipe (27) and overflow pipe (13) are all connected with the first sedimentation basin (20), and high pressure diving pump (23) is positioned at recycling water
In pond (22), blow-off pipe (14) and drain pipe (27) are connected on overflow pipe (13).
6. Multifunctional dust peculiar smell absorption cleaning processing unit according to claim 5, it is characterised in that：First sedimentation basin
(20) it is respectively provided with drainpipe between the second sedimentation basin (21), between the second sedimentation basin (21) and recycling pond (22)
(30)。
7. Multifunctional dust peculiar smell absorption cleaning processing unit according to claim 1, it is characterised in that：Spray tube (7)
On be distributed with high pressure spray water nozzle (29).
8. Multifunctional dust peculiar smell absorption cleaning processing unit according to claim 4, it is characterised in that：Filler (9) is set
It is set to porous hollow sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252032.XA CN105749685B (en) | 2016-04-21 | 2016-04-21 | Multifunctional dust peculiar smell absorption cleaning processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252032.XA CN105749685B (en) | 2016-04-21 | 2016-04-21 | Multifunctional dust peculiar smell absorption cleaning processing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105749685A CN105749685A (en) | 2016-07-13 |
| CN105749685B true CN105749685B (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610252032.XA Expired - Fee Related CN105749685B (en) | 2016-04-21 | 2016-04-21 | Multifunctional dust peculiar smell absorption cleaning processing unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107115752A (en) * | 2017-04-26 | 2017-09-01 | 广西升禾环保科技股份有限公司 | A kind of processing tapping equipment of factory floor waste gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230729A (en) * | 2013-04-26 | 2013-08-07 | 天津东榛橡胶有限公司 | Waste gas purification system in rubber processing field |
| CN104689701A (en) * | 2015-03-27 | 2015-06-10 | 河北科技大学 | Acetone waste gas purifying method |
| CN205570019U (en) * | 2016-04-21 | 2016-09-14 | 于立东 | Multi -functional dust peculiar smell absorbs purification unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6254843B1 (en) * | 1999-11-19 | 2001-07-03 | Marsulex Environmental Technologies, Llc | Process for the reclamation of calcium sulfite produced by a calcium-based FGD system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230729A (en) * | 2013-04-26 | 2013-08-07 | 天津东榛橡胶有限公司 | Waste gas purification system in rubber processing field |
| CN104689701A (en) * | 2015-03-27 | 2015-06-10 | 河北科技大学 | Acetone waste gas purifying method |
| CN205570019U (en) * | 2016-04-21 | 2016-09-14 | 于立东 | Multi -functional dust peculiar smell absorbs purification unit |
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Granted publication date: 20180710 Termination date: 20200421 |