CN206652332U - A kind of cooperation-removal PM2.5 and mercuric wastewater zero discharge desulphurization system - Google Patents
A kind of cooperation-removal PM2.5 and mercuric wastewater zero discharge desulphurization system Download PDFInfo
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- CN206652332U CN206652332U CN201720219853.3U CN201720219853U CN206652332U CN 206652332 U CN206652332 U CN 206652332U CN 201720219853 U CN201720219853 U CN 201720219853U CN 206652332 U CN206652332 U CN 206652332U
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- agglomeration aid
- desulfurization
- pump
- removal
- desulfurizing tower
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Abstract
The utility model belongs to Wet Flue Gas Desulfurization Technology field, disclose a kind of cooperation-removal PM2.5 and mercuric wastewater zero discharge desulphurization system, including desulfurization Tower System and Waste Water Treatment, desulfurization Tower System includes desulfurizing tower, agglomeration aid storage bin, set gradually from bottom to top in desulfurizing tower and absorb slurry pool, absorb slurries spraying layer, rise vapour cap, agglomeration aid spraying layer, tubular demister, tubular type Wet type electric dust-removing device, absorbed and be provided with desulfurizing tower smoke inlet below slurries spraying layer；Wastewater treatment equipment is made up of hydrocyclone, sedimentation clarifier, sludge dehydration device, sewage collecting box, vapor heat exchanger, sweet-water tank, flue sprayer unit.The utility model solves the problems such as existing wet desulfurization system waste water treatment process is complicated, PM2.5 removings are difficult.
Description
Technical field
The utility model belongs to the technical field of wet process of FGD, more particularly to one kind can cooperation-removal PM2.5, divalence
The desulphurization system of the non-wastewater discharge of mercury ion.
Background technology
Recently, PM2.5 pollutions turn into the atmosphere polluting problem that has protruded at present of China in air, and it can cause haze, big
The consequences such as gas visibility reduction.It is big that this is primarily due to PM2.5 specific surface areas, is easily enriched with each heavy metal species and carcinogen, often
Rule dedusting technology is difficult to effectively remove to it, causes PM2.5 exhaust emissions.This also causes pellet in China's air
PM10 contents in the case where reducing year by year, and PM2.5 contents but increase year by year in air.Fire coal is also to cause in China's air
The increased main source of PM2.5 contents, therefore, it is necessary to be controlled by PM2.5 contents in coal-fired flue-gas, national ring is responded
Guarantor's policy.As the domestic wide variety of wet desulfurization system of coal fired power generation industry, although desulfurization slurry can spray removing cigarette
The larger particles dust of gas, but the capture for PM2.5 is less than 15%, and for the smaller particulate matter removing effect of particle diameter more
Difference.
The control process for PM2.5, which is concentrated mainly on before electrostatic precipitator, at present sets pretreatment unit, right
The particulate matters such as PM2.5 pre-process, and are passed to physical and chemical effect particle size growth and are removed by deduster, including electrocoagulation, chemical radicals
Poly-, acoustic agglomeration magnetic coagulation etc.；These removing modes cut both ways, and the removing position for PM2.5 is all relatively simple, it is necessary to
To synthesis removes before PM2.5 progress desulfurization and after desulfurization, PM2.5 removing amount is improved, reduces PM2.5 concentration of emission.
In addition, the bivalent mercury harmfulness in coal-fired flue-gas is also larger, it is necessary to which it is effectively removed.In flue gas
Dimercurion typically pass through desulfurizing tower desulfurization absorb slurries spray removing, although removal efficiency is higher, higher mercury content
It is unfavorable for desulfurizing byproduct regeneration.Therefore, it is necessary to removed before carrying out desulfurization to dimercurion.
With a large amount of operations of coal burning power, chemical industry wet desulphurization device, the desulfurization of dealing with relationship of desulfurization wastewater
The normal operation of device.Desulfurization wastewater is in faintly acid and contains substantial amounts of chlorion, fluorine ion, heavy metal ion, suspension etc.
Other impurities, there is certain corrosivity, if can not effectively handle can cause water resource waste and environmental pollution.Therefore, have
It is necessary that scientific disposal is carried out to desulfurization wastewater.
Utility model content
In order to solve the above problems, the utility model provides a kind of cooperation-removal PM2.5 and mercuric waste water zero-emission
Desulphurization system is put, it is excellent that the system has that technique is simple, energy-saving, PM2.5 removal effects are good, equipment investment operating cost is low etc.
Gesture.
The utility model is realized by following technical proposals.A kind of cooperation-removal PM2.5 and mercuric waste water zero-emission
Desulphurization system, including desulfurization Tower System and Waste Water Treatment are put, desulfurization Tower System includes desulfurizing tower, agglomeration aid storage bin,
Set gradually from bottom to top in desulfurizing tower and absorb slurry pool, absorb slurries spraying layer, rise vapour cap, agglomeration aid spraying layer, tubular type
Demister, tubular type Wet type electric dust-removing device, absorb and desulfurizing tower smoke inlet is provided with below slurries spraying layer, be provided with the top of desulfurizing tower
Desulfurizing tower exhanst gas outlet, the connection of slurries pump is absorbed by desulfurization and absorbs slurry pool and absorption slurries spraying layer, vapour cap is risen and is provided with collection
Liquid bath, the collecting tank for rising vapour cap connect agglomeration aid storage bin by pipeline, and agglomeration aid storage bin is circulated by agglomeration aid
Pump connects agglomeration aid spraying layer；Wastewater treatment equipment is by hydrocyclone, sedimentation clarifier, sludge dehydration device, waste water
Collecting box, vapor heat exchanger, flue sprayer unit composition, absorb slurry pool and connect hydraulic cyclone by desulfurization slurry excavationg pump
Device, the concentrated solution outlet of hydrocyclone lead to byproduct dewatering system, and it is heavy that the supernatant effluent outlet of hydrocyclone is led to
Clarifier is dropped, is connected in agglomeration aid storage bin by agglomeration aid absorbing liquid excavationg pump and settles clarifier, sedimentation clarification
The sludge outlet connection sludge pump of device, sludge pump connection sludge dehydration device, settles the supernatant effluent outlet of clarifier
Sewage collecting box is connected by pipeline, the wastewater outlet of sludge dehydration device connects sewage collecting box, wastewater collection by pipeline
Case connects the water inlet of vapor heat exchanger, the delivery port connection flue sprayer unit of vapor heat exchanger, flue spray by waste water pump
Mist device is arranged in the air inlet pipe of electrostatic precipitator, the exhaust outlet of the air inlet pipe connection boiler of electrostatic precipitator, electrostatic
The escape pipe connection desulfurizing tower smoke inlet of dust arrester.
Preferably, wastewater treatment equipment also includes sweet-water tank, the delivery port of sweet-water tank is connected by pump with pipeline
The water inlet of vapor heat exchanger, sweet-water tank inject demineralized water into vapor heat exchanger, are sprayed after heating with flue sprayer unit
Decompression vaporization, washing vapor heat exchanger, flue sprayer unit and its between pipeline, prevent pipeline and equipment scaling.
Preferably, installing flocculant chemicals dosing plant on sedimentation clarifier, added by the way of machine automatization dosing
Flocculant, for adsorption particle impurity, waste water is set to clarify and settle.
Preferably, the first agglomeration aid chemicals dosing plant is installed on agglomeration aid storage bin, the connection of agglomeration aid storage bin
Technique waterpipe, the agglomeration aid in desulfurization Tower System are obtained by process water dilution agglomeration aid.Agglomeration aid can be solidifying with helping
Agent or the existing auxiliary agent for being beneficial to the reunion of suspension dust, such as xanthans, aluminium polychloride, bodied ferric sulfate.
Preferably, sewage collecting box is provided with the second agglomeration aid chemicals dosing plant, agglomeration aid is added automatically.
Preferably, the pipeline in tubular demister and tubular type Wet type electric dust-removing device is one-to-one corresponding, and tubular type wet type
Electric dust collector is furnished with flushing water.
Agglomeration aid PM2.5, pair in the complete flue gas of spray-absorption in agglomeration aid storage bin in the desulfurization Tower System
After the dust-laden drop such as drops of product, precipitation clarifier is pumped into by pump and enters Waste Water Treatment.
After desulfurization wastewater in the Waste Water Treatment adds flocculation aid, clarified through sedimentation and remove suspension, Ran Houjin
Enter sewage collecting box, be mixed into dust agglomeration aid, stir.Waste water is squeezed into by vapor heat exchanger by waste water pump, after heating
Waste water is injected into gas approach.Waste water all evaporates after nozzle atomization in flue, and dust agglomeration aid promotes PM2.5 groups
It is poly-, particle diameter increase；Meanwhile a large amount of chlorions contained in waste water can react with bivalent mercury in flue gas, mercury chloride is formed and with cigarette
Dust is captured by deduster in gas.Periodically use sweet-water tank in demineralized water to vapor heat exchanger, flue sprayer unit and between
Pipeline is rinsed, and prevents equipment and Incrustation of pipe.
Desulfurization wastewater temperature after being heated by steam in the Waste Water Treatment is more than desulfurization wastewater in flue pressure
Under boiling point and be less than boiling point of the desulfurization wastewater in spray pipeline is heated, ensure desulfurization wastewater spray into flue before do not vaporize.
In the Waste Water Treatment be used for clean vapor heat exchanger, flue sprayer unit and its between pipeline desalination
Coolant-temperature gage is more than boiling point of the demineralized water under flue pressure and is less than boiling point of the demineralized water in spray pipeline is heated, so that desalination
Water does not vaporize before spraying into flue.
Sedimentation clarifier is provided with the Waste Water Treatment, suspension is removed before being vaporized for desulfurization wastewater, reduces
Follow-up dust agglomeration aid chemical feeding quantity and electrostatic precipitator load.
The beneficial effects of the utility model：Overcome the job note one of traditional desulphurization system, in flue gas pollutant
The shortcomings of PM2.5 removings are bad, divalence mercury removal position is single in flue gas, desulfurization wastewater processing investment operating cost is high.Pass through
Agglomeration aid spraying layer is added in desulfurizing tower, the particulate matters such as secondary de- PM2.5 are carried out to flue gas after desulfurization, and with the addition of efficiently
Tubular demister and tubular type Wet type electric dust-removing device, the PM2.5 in flue gas can be down to 5mg/Nm3Hereinafter, PM2.5 synthesis
Removal efficiency reaches more than 60%.After desulfurization wastewater simple process, simultaneously heat pump enters electrostatic precipitation to addition dust agglomeration aid
Before device in flue, desulfurization wastewater has not only been handled, has also aided in bivalent mercury in removing flue gas using desulfurization wastewater high chloride ion content,
Above procedure does not increase flue length and resistance, and waste water all vaporizes, do not reduce flue-gas temperature, good to flue layout adaptability,
Equipment investment and expenditure of construction save, environment-friendly, have the effect of the treatment of wastes with processes of wastes against one another.
Brief description of the drawings
Fig. 1 is a kind of cooperation-removal PM2.5 of the utility model and the technique stream of mercuric wastewater zero discharge desulphurization system
Cheng Tu.
In figure, 1- boilers；2- electrostatic precipitators；3- desulfurizing towers；301- desulfurizing tower smoke inlets；302- desulfurization tower flue gas
Outlet；303- desulfurization absorbs slurries pump；304- desulfurization slurry excavationg pumps；305- agglomeration aid storage bins；306- agglomeration aids are inhaled
Receive liquid excavationg pump；307- the first agglomeration aid chemicals dosing plants；308- technique waterpipes；309- agglomeration aid circulating pumps；310- liters
Vapour cap；311- tubular demisters；312- tubular type Wet type electric dust-removing devices；4- hydrocyclones；5- settles clarifier；6- flocculates
Agent chemicals dosing plant；7- sludge pumps；8- sludge dehydration devices；9- sewage collecting box；10- the second agglomeration aid chemicals dosing plants；11- gives up
Water pump；12- vapor heat exchangers；13- sweet-water tanks；14- flue sprayer units.
Embodiment
Describe the utility model in detail below in conjunction with the accompanying drawings.
If Fig. 1 is a kind of cooperation-removal PM2.5 of the present utility model and mercuric wastewater zero discharge desulphurization system, including
Desulfurization Tower System and Waste Water Treatment.Desulfurization Tower System includes desulfurizing tower 3, agglomeration aid storage bin 305, in desulfurizing tower 3 by
Set gradually upwards down and absorb slurry pool, absorb slurries spraying layer, rise vapour cap 310, agglomeration aid spraying layer, tubular demister
311st, tubular type Wet type electric dust-removing device 312, absorb and desulfurizing tower smoke inlet 301 is provided with below slurries spraying layer, the top of desulfurizing tower 3
Provided with desulfurizing tower exhanst gas outlet 302, slurries pump 303 is absorbed by desulfurization and connects absorption slurry pool and absorption slurries spraying layer, is risen
Vapour cap 310 is provided with collecting tank, and the collecting tank for rising vapour cap 310 connects agglomeration aid storage bin 305, agglomeration aid storage by pipeline
Case 305 connects agglomeration aid spraying layer by agglomeration aid circulating pump 309.Wastewater treatment equipment is clear by hydrocyclone 4, sedimentation
Clear device 5, sludge dehydration device 8, sewage collecting box 9, vapor heat exchanger 12, flue sprayer unit 14 form, and absorb slurry pool
Hydrocyclone 4 is connected by desulfurization slurry excavationg pump 304, the concentrated solution outlet of hydrocyclone 4 leads to byproduct dehydration system
System, the supernatant effluent outlet of hydrocyclone 4 are led to sedimentation clarifier 5, helped in agglomeration aid storage bin 305 by reuniting
The connection sedimentation clarifier 5 of agent absorbing liquid excavationg pump 306, the sludge outlet connection sludge pump 7 of sedimentation clarifier 5, sludge pump 7
Sludge dehydration device 8 is connected, the supernatant effluent outlet of sedimentation clarifier 5 connects sewage collecting box 9 by pipeline, and sludge takes off
The wastewater outlet of water installations 8 connects sewage collecting box 9 by pipeline, and sewage collecting box 9 connects steam heat-exchanging by waste water pump 11
The water inlet of device 12, the delivery port connection flue sprayer unit 14 of vapor heat exchanger 12, flue sprayer unit 14 is arranged on electrostatic
In the air inlet pipe of dust arrester 2, the exhaust outlet of the air inlet pipe connection boiler 1 of electrostatic precipitator 2, electrostatic precipitator 2 goes out
Tracheae connection desulfurizing tower smoke inlet 301.
Wastewater treatment equipment also includes sweet-water tank 13, and the delivery port of sweet-water tank 13 connects steam with pipeline by pump and changed
The water inlet of hot device 12, sweet-water tank 13 inject demineralized water into vapor heat exchanger 12, are sprayed after heating with flue sprayer unit 14
Go out decompression vaporization, washing vapor heat exchanger 12, flue sprayer unit 14 and its between pipeline, prevent pipeline and equipment scaling.
Settle and flocculant chemicals dosing plant 6 be installed on clarifier 5, flocculant is added by the way of machine automatization dosing,
For adsorption particle impurity, waste water is set to clarify and settle.
Liter vapour cap 310 in desulfurization Tower System can make flue gas by and collect the agglomeration aid of agglomeration aid spraying layer to tower
Outer agglomeration aid storage bin 305, form agglomeration aid spray loop.Installation first is reunited and helped on agglomeration aid storage bin 305
Agent chemicals dosing plant 307, the Joining Technology waterpipe 308 of agglomeration aid storage bin 305, the agglomeration aid in desulfurization Tower System is by technique
Water dilution agglomeration aid obtains.Agglomeration aid can use flocculation aid or the existing auxiliary agent for being beneficial to suspension dust and reuniting, such as yellow
Virgin rubber, aluminium polychloride, bodied ferric sulfate etc..
Sewage collecting box 9 is provided with the second agglomeration aid chemicals dosing plant 10, adds agglomeration aid automatically.
The pipeline in tubular demister 311 and tubular type Wet type electric dust-removing device 312 in desulfurization Tower System is one-to-one corresponding,
And tubular type Wet type electric dust-removing device 312 is furnished with flushing water.
It is as follows with reference to Fig. 1, the course of work：Coal-fired flue-gas first through the dedusting of electrostatic precipitator 2 is entered by desulfurization tower flue gas
Mouth 301 enters desulfurizing tower 3, and desulfurization absorbing liquid is sprayed into tower and flue gas is washed by desulfuration recycle pump 303, and flue gas is inhaled through desulfurization
Receive and agglomeration aid spraying layer is entered by liter vapour cap 310 after liquid washs.Agglomeration aid is provided by agglomeration aid chemicals dosing plant 307,
It is pumped into the process water of technique waterpipe 308 after agglomeration aid storage bin 305 dilutes uniformly by the circulation of agglomeration aid circulating pump 309
In desulfurizing tower 3, flue gas is washed, PM2.5 particle sizes is grown up and wet by tubular demister 311 or tubular type
The capture removing of formula electric dust collector 312.Agglomeration aid in agglomeration aid storage bin 305 is after finite concentration is adsorbed onto by reuniting
The sedimentation clarifier 5 that agglomeration aid absorbing liquid is discharged into wastewater treatment equipment by auxiliary agent absorbing liquid excavationg pump 306.Desulfurizing tower 3
For caused desulfurization slurry after the extraction concentration of hydrocyclone 4, byproduct dewatering system is removed in bottom compared with underflow liquid after cleaning flue gas,
Supernatant effluent enters sedimentation clarifier 5, adds flocculation aid into sedimentation depositing reservoir by flocculation aid chemicals dosing plant 6, makes to take off
Most suspended substances settle down in sulphur waste water, and the mud to settle down squeezes into sludge dehydration device 8 through sludge pump 7, and sedimentation is clear
Supernatant effluent enters sewage collecting box 9 in clear device 5, and the waste water that sludge dehydration device 8 is deviate from also enters sewage collecting box 9,
The solid-state waste sludge that sludge dehydration device 8 is deviate from presses fixed-end forces.By agglomeration aid chemicals dosing plant 10 into sewage collecting box 9
Agglomeration aid is added, (pump discharge pressure should make to give up waste water in the case where meeting pressure loss in piping by waste water pump 11 after being well mixed
Water pressure is higher than in pipeline pressure under thermal wastewater boiling point, refers to the boiling point of pure water at various pressures and chooses pump discharge pressure)
It is pumped into vapor heat exchanger 12, (temperature can rise to 125 degrees Celsius of left sides to the mixed solution of waste water and agglomeration aid after steam heats
It is right), into flue sprayer unit 14.Waste water mixed solution is atomized decompression moisture through flue sprayer unit 14 and all evaporated, contained
Impurity enters electrostatic precipitator 2 with flue gas caused by boiler 1 with dust form and is captured, the reunion in waste water mixed solution
Auxiliary agent can promote PM2.5 agglomerations in flue gas, be easy to be collected by electrostatic precipitator 2.At the same time, the chlorion in waste water
Reacted with the bivalent mercury in flue gas, generate mercury chloride, entered electrostatic precipitator 2 with dust in flue gas and be captured.It is final real
PM2.5 and bivalent mercury in existing desulfurization wastewater zero-emission and cooperation-removal flue gas, the treatment of wastes with processes of wastes against one another.Sweet-water tank 13 is periodically used to steam
Demineralized water is injected in heat exchanger 12, sprays decompression vaporization, washing vapor heat exchanger 12, flue with flue sprayer unit 14 after heating
Sprayer unit 14 and its between pipeline, prevent pipeline and equipment scaling.The system can make desulfurization wastewater zero-emission and can cooperate with
Remove the PM2.5 and dimercurion in flue gas, have full-featured, PM2.5 removal effects are good, equipment investment take up an area it is few etc. excellent
Point.
Claims (6)
1. a kind of cooperation-removal PM2.5 and mercuric wastewater zero discharge desulphurization system, including desulfurization Tower System and wastewater treatment
System, it is characterized in that：Desulfurization Tower System includes desulfurizing tower, agglomeration aid storage bin, and suction is set gradually from bottom to top in desulfurizing tower
Slurry pool is received, slurries spraying layer is absorbed, rises vapour cap, agglomeration aid spraying layer, tubular demister, tubular type Wet type electric dust-removing device,
Absorb and desulfurizing tower smoke inlet is provided with below slurries spraying layer, be provided with desulfurizing tower exhanst gas outlet at the top of desulfurizing tower, inhaled by desulfurization
Receive the connection of slurries pump to absorb slurry pool and absorb slurries spraying layer, rise vapour cap and be provided with collecting tank, the collecting tank for rising vapour cap passes through pipe
Road connects agglomeration aid storage bin, and agglomeration aid storage bin connects agglomeration aid spraying layer by agglomeration aid circulating pump；Waste water
Processing unit is sprayed by hydrocyclone, sedimentation clarifier, sludge dehydration device, sewage collecting box, vapor heat exchanger, flue
Device forms, and absorbs slurry pool and connects hydrocyclone by desulfurization slurry excavationg pump, the concentrated solution outlet of hydrocyclone leads to
To byproduct dewatering system, the supernatant effluent of hydrocyclone, which exports, leads to sedimentation clarifier, in agglomeration aid storage bin
Sedimentation clarifier is connected by agglomeration aid absorbing liquid excavationg pump, settles the sludge outlet connection sludge pump of clarifier, it is dirty
Dredge pump connects sludge dehydration device, and the supernatant effluent outlet for settling clarifier connects sewage collecting box, sludge by pipeline
The wastewater outlet of dehydration device connects sewage collecting box by pipeline, and sewage collecting box connects vapor heat exchanger by waste water pump
Water inlet, the delivery port connection flue sprayer unit of vapor heat exchanger, flue sprayer unit are arranged on entering for electrostatic precipitator
In tracheae, the exhaust outlet of the air inlet pipe connection boiler of electrostatic precipitator, the escape pipe connection desulfurizing tower cigarette of electrostatic precipitator
Gas entrance.
2. a kind of cooperation-removal PM2.5 according to claim 1 and mercuric wastewater zero discharge desulphurization system, its feature
It is：Wastewater treatment equipment also includes sweet-water tank, and the delivery port of sweet-water tank connects entering for vapor heat exchanger with pipeline by pump
The mouth of a river.
3. a kind of cooperation-removal PM2.5 according to claim 1 and mercuric wastewater zero discharge desulphurization system, its feature
It is：Settle and flocculant chemicals dosing plant is installed on clarifier.
4. a kind of cooperation-removal PM2.5 according to claim 1 and mercuric wastewater zero discharge desulphurization system, its feature
It is：First agglomeration aid chemicals dosing plant, agglomeration aid storage bin Joining Technology waterpipe are installed on agglomeration aid storage bin.
5. a kind of cooperation-removal PM2.5 according to claim 4 and mercuric wastewater zero discharge desulphurization system, its feature
It is：Sewage collecting box is provided with the second agglomeration aid chemicals dosing plant.
6. a kind of cooperation-removal PM2.5 according to claim 1 and mercuric wastewater zero discharge desulphurization system, its feature
It is：Pipeline in tubular demister and tubular type Wet type electric dust-removing device is corresponds, and tubular type Wet type electric dust-removing device is furnished with
Flushing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219853.3U CN206652332U (en) | 2017-02-27 | 2017-02-27 | A kind of cooperation-removal PM2.5 and mercuric wastewater zero discharge desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219853.3U CN206652332U (en) | 2017-02-27 | 2017-02-27 | A kind of cooperation-removal PM2.5 and mercuric wastewater zero discharge desulphurization system |
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| Publication Number | Publication Date |
|---|---|
| CN206652332U true CN206652332U (en) | 2017-11-21 |
Family
ID=60315057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720219853.3U Expired - Fee Related CN206652332U (en) | 2017-02-27 | 2017-02-27 | A kind of cooperation-removal PM2.5 and mercuric wastewater zero discharge desulphurization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080148A (en) * | 2017-12-29 | 2018-05-29 | 武汉天空蓝环保科技有限公司 | A kind of smoke processing system based on chemical agglomeration and electric precipitation |
| CN113941238A (en) * | 2021-03-22 | 2022-01-18 | 青岛大学 | Integrated control method for low-temperature smoke pollutants |
-
2017
- 2017-02-27 CN CN201720219853.3U patent/CN206652332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080148A (en) * | 2017-12-29 | 2018-05-29 | 武汉天空蓝环保科技有限公司 | A kind of smoke processing system based on chemical agglomeration and electric precipitation |
| CN113941238A (en) * | 2021-03-22 | 2022-01-18 | 青岛大学 | Integrated control method for low-temperature smoke pollutants |
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Granted publication date: 20171121 Termination date: 20210227 |