CN105749685A - Multifunctional dust off-flavor absorbing and purifying apparatus - Google Patents
Multifunctional dust off-flavor absorbing and purifying apparatus Download PDFInfo
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- CN105749685A CN105749685A CN201610252032.XA CN201610252032A CN105749685A CN 105749685 A CN105749685 A CN 105749685A CN 201610252032 A CN201610252032 A CN 201610252032A CN 105749685 A CN105749685 A CN 105749685A
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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
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- 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
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- 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
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- 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)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention is mainly applied to the field of treatment of dust off-flavors in factory and mine workshops and particularly relates to a multifunctional dust off-flavor absorbing and purifying apparatus, comprising a charging pipeline provided with air inlets.An absorbing hood is arranged above the air inlets, the top of the absorbing hood is provided with a discharge pipeline, the tail end of the discharge pipeline is connected with a first multifunctional reaction column, the top of the first multifunctional reaction column is connected with a second multifunctional reaction column through a middle pipeline, an air outlet of the second multifunctional reaction column is connected with an acid-base neutralizing reactor, a cyclone purifier, an activated carbon adsorption reactor, a high-temperature combustion furnace and a fresh air discharge pipe successively in an exhausting direction through an exhaust pipe.The multifunctional dust off-flavor absorbing and purifying apparatus is energy-efficient, low in emission and environment-friendly through cooling and liquefaction, water absorption, adsorption, acid-base neutralization, combustion and three-stage precipitation and filtration for polluted air.
Description
Technical field
The present invention relates to a kind of Multifunctional dust abnormal flavour absorption cleaning and process device, be mainly used in the process field of factories and miness workshop dust abnormal flavour.
Background technology
Existing the major part dust in factories and miness workshop, abnormal flavour are all directly discharged into air or carry out preliminary treatment through other process system and be namely directly discharged into air, to environment.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of rational in infrastructure, it is possible to energy-saving and emission-reduction, it is achieved the Multifunctional dust abnormal flavour absorption cleaning of environmental protection processes device.
nullMultifunctional dust abnormal flavour absorption cleaning of the present invention processes device，Including input channel，On input channel, distribution has air inlet，Air inlet is provided above absorbing cover，The top of absorbing cover arranges discharge line，The end of discharge line connects the first polyfunctional reactant tower，Discharge line arranges air-introduced machine，The top of the first polyfunctional reactant tower connects the second polyfunctional reactant tower by intermediate conduit，Second polyfunctional reactant tower gas outlet is sequentially connected with acid-base neutralization reactor according to outgassing direction by pipeline by escape pipe、Cyclone purifier and activated carbon adsorption reactor，First polyfunctional reactant tower bottom and the second polyfunctional reactant tower bottom arrange the two tower connecting tubes being connected，Second polyfunctional reactant tower side is respectively provided with blow-off pipe and overflow pipe，Blow-off pipe is positioned at the second polyfunctional reactant tower bottom，Blow-off pipe arranges blowoff valve，Overflow pipe is positioned at above blow-off pipe，Cyclone purifier has discharging tube，Blow-off pipe、The end of discharging tube and overflow pipe is all connected with pond，High pressure diving pump is set in pond，High pressure diving pump connects high pressure water pipeline，It is respectively provided with shower in first polyfunctional reactant tower and the second polyfunctional reactant tower，Shower connects high pressure water pipeline respectively.
nullLower enters the input channel of outdoor fresh air，Fresh air enters in Factory Building from the air inlet of input channel，Under the gravitation of air-introduced machine，Contaminated air enters in absorbing cover，Supplement fresh air simultaneously，The air polluted enters in the first polyfunctional reactant tower through discharge line，The air polluted is when discharge line，Sprayed by shower，A part of particulate matter flows in the first polyfunctional reactant tower downstream，Another part gas enters the second polyfunctional reactant tower bottom through intermediate conduit after the first polyfunctional reactant tower processes，Owing to the first polyfunctional reactant tower bottom and the second polyfunctional reactant tower bottom arrange the two tower connecting tubes being connected，The liquid of the first polyfunctional reactant tower bottom enters the second polyfunctional reactant tower bottom，Enter the gas of the second polyfunctional reactant tower bottom through liquid handling，A part of granule is stayed in the liquid of the second polyfunctional reactant tower bottom，Remaining gas enters acid-base neutralization reactor from the escape pipe of the second polyfunctional reactant top of tower、Cyclone purifier、Activated carbon adsorption reactor carries out acid-base neutralization respectively、Eddy flow、Absorption，Reduce the pollution to air，Realize environmental protection、Pollution-free.Blow-off pipe, overflow pipe and the discharging tube that second polyfunctional reactant tower side is respectively provided with, all enters in pond by reacted liquid, repeatable utilization after waiting precipitation to reclaim.High pressure diving pump is set in pond, it is possible to the water after recycling is used for the water source of shower, saves the energy.Air-introduced machine air inducing, air blast one are dual-purpose, reach energy-conservation effect.If the blowoff valve on the second polyfunctional reactant tower bottom blow-off pipe does not overhaul cleaning underground tank, blowoff valve is in Normal Shutdown state.
Described input channel is set to fresh air input channel located underground, and input channel top has air inlet.It is easy to live gas enter in plant building.
First section of described discharge line is positioned at the top of absorbing cover, and end is positioned at the first polyfunctional reactant tower.It is easy to contaminated air is collected and processes.
The first described polyfunctional reactant tower and the second polyfunctional reactant tower all include tower body, and waffle slab setting up and down in tower body arranges filler on waffle slab, shower is positioned at above filler.The air polluted can be carried out multistep treatment, it is achieved pollution-free blowdown.
In described pond, dividing plate is set, it is set to the first sedimentation tank, the second sedimentation tank and recycling pond by dividing plate, blow-off pipe, discharging tube and overflow pipe are all connected with the first sedimentation tank, and high pressure diving pump is positioned at recycling pond, and blow-off pipe and discharging tube are all connected on overflow pipe.Use after the water reclaimed is carried out multi stage precipitation, improve the cleanliness factor of water.
Between the first described sedimentation tank and the second sedimentation tank, between the second sedimentation tank and recycling pond, it is respectively provided with drain pipe.
Described shower is distributed with high pressure spray water nozzle.
Described filler is set to porous hollow sphere.
Described activated carbon adsorption reactor gas outlet connects high temperature combustion furnace by pipeline, high temperature combustion furnace connects fresh air delivery pipe, pipeline between activated carbon adsorption reactor and high temperature combustion furnace arranges valve, the front end of valve connects back to flow tube, return duct end causes input pipe side, on return duct, distribution has air inlet, and return duct arranges valve.When native system is normally-open, the valve closing between activated carbon adsorption reactor and high temperature combustion furnace, the valve on return duct opens, the fresh air handled well enters back in plant building, increasing air inlet at double, not only effective, this total system just becomes a large-size air conditioning, make in plant building cool in summer and warm in winter, valve on closing volume pipe, opens the valve between activated carbon adsorption reactor and high temperature combustion furnace, makes gas enter combustion furnace, play again blasting action, energy-conservation.
Additionally, in order to ensure the effect of the spray of two polyfunctional reactant towers, need the two polyfunctional reactant towers water by overflow pipe overflow to pond and in pond, flowed to the water maintenance balance of shower by high pressure diving pump, need the water yield regularly adjusting in pond, if water level reduces, need to add water in pond, to ensure water source sufficient in pond.
For improving the utilization rate of water pool inner water, when water quality does not exceed standard, it is possible to periodic exhaustion, for instance be used for other fields such as irrigating, the precipitate in two sedimentation tanks is also required to periodic cleaning, increases water quality on the one hand, on the other hand can recycling.
The invention has the beneficial effects as follows:
By the air polluted being carried out cooling liquefaction, water dissolution, absorption, acid-base neutralization, burning, three grades of precipitation filtrations, energy-saving and emission-reduction, environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the first polyfunctional reactant tower and the structure for amplifying schematic diagram of the second polyfunctional reactant tower.
In figure: 1, input channel；2, air inlet；3, polluter；4, absorbing cover；5, discharge line；6, valve；7, shower；8, the first polyfunctional reactant tower；9, filler；10, air-introduced machine；11, intermediate conduit；12, high pressure water pipeline；13, overflow pipe；14, blow-off pipe；15, acid-base neutralization reactor；16, cyclone purifier；17, activated carbon adsorption reactor；18, high temperature combustion furnace；19, fresh air delivery pipe；20, the first sedimentation tank；21, the second sedimentation tank；22, recycling pond；23, high pressure diving pump；24, the second polyfunctional reactant tower；25, escape pipe；26, two tower connecting tube；27, discharging tube；28, waffle slab；29, high pressure spray water nozzle；30, drain pipe；31, return duct.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
nullAs depicted in figs. 1 and 2，Multifunctional dust abnormal flavour absorption cleaning of the present invention processes device，Including input channel 1，On input channel 1, distribution has air inlet 2，Air inlet 2 is provided above absorbing cover 4，The top of absorbing cover 4 arranges discharge line 5，The end of discharge line 5 connects the first polyfunctional reactant tower 8，Discharge line 5 arranges air-introduced machine 10，The top of the first polyfunctional reactant tower 8 connects the second polyfunctional reactant tower 24 by intermediate conduit 11，Second polyfunctional reactant tower 24 gas outlet is sequentially connected with acid-base neutralization reactor 15 by escape pipe 25 according to outgassing direction、Cyclone purifier 16、Activated carbon adsorption reactor 17，Bottom first polyfunctional reactant tower 8 with the two tower connecting tubes 26 being connected are set bottom the second polyfunctional reactant tower 24，Second polyfunctional reactant tower 24 side is respectively provided with blow-off pipe 14 and overflow pipe 13，Blow-off pipe 14 is positioned at bottom the second polyfunctional reactant tower 24，Blow-off pipe 14 arranges blowoff valve，Overflow pipe 13 is positioned at above blow-off pipe 14，Cyclone purifier 16 has discharging tube 27，Blow-off pipe 14、The end of discharging tube 27 and overflow pipe 13 is all connected with pond，High pressure diving pump 23 is set in pond，High pressure diving pump 23 connects high pressure water pipeline 12，It is respectively provided with shower 7 in first polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24，Shower 7 connects high pressure water pipeline 12 respectively.Input channel 1 is set to fresh air input channel located underground, and input channel 1 top has air inlet 2.First section of discharge line 5 is positioned at the top of absorbing cover 4, and end is positioned at the first polyfunctional reactant tower 8.First polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24 all include tower body, and waffle slab 28 setting up and down in tower body arranges filler 9 on waffle slab 28, shower 7 is positioned at above filler 9.Dividing plate is set in pond, first sedimentation tank the 20, second sedimentation tank 21 and recycling pond 22 it is set to by dividing plate, blow-off pipe 14, discharging tube 27 and overflow pipe 13 are all connected with the first sedimentation tank 20, high pressure diving pump 23 is positioned at recycling pond 22, and blow-off pipe 14 and discharging tube 27 are all connected on overflow pipe 13.Between first sedimentation tank 20 and the second sedimentation tank 21, between the second sedimentation tank 21 and recycling pond 22, it is respectively provided with drain pipe 30.Shower 7 is distributed with high pressure spray water nozzle 29.Filler 9 is set to porous hollow sphere.Activated carbon adsorption reactor 17 gas outlet connects high temperature combustion furnace 18 by pipeline, high temperature combustion furnace 18 connects fresh air delivery pipe 19, pipeline between activated carbon adsorption reactor 17 and high temperature combustion furnace 18 arranges valve 6, the front end of valve connects back to flow tube 31, return duct 31 end causes input pipe side, on return duct 31, distribution has air inlet 2, and return duct 31 arranges valve 6.Wherein the first polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24 bottom water position are 300mm～350mm, enter the pipeline opening of the first polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24 at above water about 150mm.
nullLower enters the input channel 1 of outdoor fresh air，Fresh air enters in Factory Building from the air inlet 2 of input channel 1，Under the gravitation of air-introduced machine 10，Contaminated air enters in absorbing cover 4，Supplement fresh air simultaneously，The air of the pollution that polluter 3 produces enters in the first polyfunctional reactant tower 8 through discharge line 5，The air polluted is when discharge line 5，Sprayed by shower 7，A part of particulate matter flows into bottom the first polyfunctional reactant tower 8 downstream，Another part gas enters bottom the second polyfunctional reactant tower 24 through intermediate conduit 11 after the first polyfunctional reactant tower 8 processes，Owing to arranging, with bottom the second polyfunctional reactant tower 24, the two tower connecting tubes 26 being connected bottom the first polyfunctional reactant tower 8，Liquid bottom first polyfunctional reactant tower 8 enters bottom the second polyfunctional reactant tower 24，Enter the gas bottom the second polyfunctional reactant tower 24 through liquid handling，A part of granule is stayed in the liquid bottom the second polyfunctional reactant tower 24，Remaining gas sequentially enters acid-base neutralization reactor 15 from the escape pipe 25 at the second polyfunctional reactant tower 24 top、Cyclone purifier 16、Activated carbon adsorption reactor 17、High temperature combustion furnace 18、And fresh air delivery pipe 19 carries out acid-base neutralization respectively、Eddy flow、Absorption、Burnings etc. process，Finally discharge fresh air，Reduce the pollution to air，Realize environmental protection、Pollution-free.Reacted liquid is all entered in pond by blow-off pipe 14 that the second polyfunctional reactant tower 24 side is respectively provided with and overflow pipe 13 and discharging tube 27, repeatable utilization after waiting precipitation to reclaim.High pressure diving pump 23 is set in pond, it is possible to the water after recycling is used for the water source of shower 7, saves the energy.The gas successively entering the first polyfunctional reactant tower 8 and the second polyfunctional reactant tower 24 is all first pass through liquefaction to process, and then filters through two-stage filler 9, twice shower spray.
Claims (9)
- null1. a Multifunctional dust abnormal flavour absorption cleaning processes device，It is characterized in that: include input channel (1)，The upper distribution of input channel (1) has air inlet (2)，Air inlet (2) is provided above absorbing cover (4)，The top of absorbing cover (4) arranges discharge line (5)，The end of discharge line (5) connects the first polyfunctional reactant tower (8)，Discharge line (5) arranges air-introduced machine (10)，The top of the first polyfunctional reactant tower (8) connects the second polyfunctional reactant tower (24) by intermediate conduit (11)，Second polyfunctional reactant tower (24) gas outlet passes sequentially through pipeline by escape pipe (25) according to outgassing direction and connects acid-base neutralization reactor (15)、Cyclone purifier (16) and activated carbon adsorption reactor (17)，First polyfunctional reactant tower (8) bottom arranges, with the second polyfunctional reactant tower (24) bottom, the two tower connecting tubes (26) being connected，Second polyfunctional reactant tower (24) side is respectively provided with blow-off pipe (14) and overflow pipe (13)，Blow-off pipe (14) is positioned at the second polyfunctional reactant tower (24) bottom，Blow-off pipe arranges blowoff valve on (14)，Overflow pipe (13) is positioned at blow-off pipe (14) top，Cyclone purifier (16) has discharging tube (27)，Blow-off pipe (14)、The end of discharging tube (27) and overflow pipe (13) is all connected with pond，High pressure diving pump (23) is set in pond，High pressure diving pump (23) connects high pressure water pipeline (12)，It is respectively provided with shower (7) in first polyfunctional reactant tower (8) and the second polyfunctional reactant tower (24)，Shower (7) connects high pressure water pipeline (12) respectively.
- 2. Multifunctional dust abnormal flavour absorption cleaning according to claim 1 processes device, it is characterized in that: input channel (1) is set to fresh air input channel located underground, and input channel (1) top has air inlet (2).
- 3. Multifunctional dust abnormal flavour absorption cleaning according to claim 1 processes device, it is characterised in that: first section of discharge line (5) is positioned at the top of absorbing cover (4), and end is positioned at the first polyfunctional reactant tower (8).
- 4. Multifunctional dust abnormal flavour absorption cleaning according to claim 1 processes device, it is characterized in that: the first polyfunctional reactant tower (8) and the second polyfunctional reactant tower (24) all include tower body, waffle slab setting up and down (28) in tower body, arranging filler (9) on waffle slab (28), shower (7) is positioned at filler (9) top.
- 5. Multifunctional dust abnormal flavour absorption cleaning according to claim 1 processes device, it is characterized in that: dividing plate is set in pond, it is set to the first sedimentation tank (20), the second sedimentation tank (21) and recycling pond (22) by dividing plate, blow-off pipe (14), discharging tube (27) and overflow pipe (13) are all connected with the first sedimentation tank (20), high pressure diving pump (23) is positioned at recycling pond (22), and blow-off pipe (14) and discharging tube (27) are all connected on overflow pipe (13).
- 6. Multifunctional dust abnormal flavour absorption cleaning according to claim 5 processes device, it is characterised in that: between the first sedimentation tank (20) and the second sedimentation tank (21), between the second sedimentation tank (21) and recycling pond (22), it is respectively provided with drain pipe (30).
- 7. Multifunctional dust abnormal flavour absorption cleaning according to claim 1 processes device, it is characterised in that: shower (7) is distributed with high pressure spray water nozzle (29).
- 8. Multifunctional dust abnormal flavour absorption cleaning according to claim 4 processes device, it is characterised in that: filler (9) is set to porous hollow sphere.
- 9. Multifunctional dust abnormal flavour absorption cleaning according to claim 1 processes device, it is characterized in that: activated carbon adsorption reactor (17) gas outlet connects high temperature combustion furnace (18) by pipeline, high temperature combustion furnace (18) connects fresh air delivery pipe (19), pipeline between activated carbon adsorption reactor (17) and high temperature combustion furnace (18) arranges valve (6), the front end of valve connects back to flow tube (31), return duct (31) end causes input pipe side, the upper distribution of return duct (31) has air inlet (2), return duct (31) arranges valve (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610252032.XA CN105749685B (en) | 2016-04-21 | 2016-04-21 | Multifunctional dust peculiar smell absorption cleaning processing unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610252032.XA CN105749685B (en) | 2016-04-21 | 2016-04-21 | Multifunctional dust peculiar smell absorption cleaning processing unit |
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| CN105749685A true CN105749685A (en) | 2016-07-13 |
| CN105749685B CN105749685B (en) | 2018-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001036069A1 (en) * | 1999-11-19 | 2001-05-25 | Marsulex Environmental Technologies, Llc | Process and apparatus for the reclamation of calcium sulfite produced by a flue gas desulfurization system |
| 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 |
-
2016
- 2016-04-21 CN CN201610252032.XA patent/CN105749685B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001036069A1 (en) * | 1999-11-19 | 2001-05-25 | Marsulex Environmental Technologies, Llc | Process and apparatus for the reclamation of calcium sulfite produced by a flue gas desulfurization system |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN105749685B (en) | 2018-07-10 |
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