CN202683052U - Front semi-dry gas desulfurization system - Google Patents

Front semi-dry gas desulfurization system Download PDF

Info

Publication number
CN202683052U
CN202683052U CN 201220303611 CN201220303611U CN202683052U CN 202683052 U CN202683052 U CN 202683052U CN 201220303611 CN201220303611 CN 201220303611 CN 201220303611 U CN201220303611 U CN 201220303611U CN 202683052 U CN202683052 U CN 202683052U
Authority
CN
China
Prior art keywords
export
port
cyclone separator
dust pelletizing
desulfurizing tower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220303611
Other languages
Chinese (zh)
Inventor
高晓峰
高晓东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Gaoda Environmental & Technology Co Ltd
Original Assignee
Wuxi Gaoda Environmental & Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Gaoda Environmental & Technology Co Ltd filed Critical Wuxi Gaoda Environmental & Technology Co Ltd
Priority to CN 201220303611 priority Critical patent/CN202683052U/en
Application granted granted Critical
Publication of CN202683052U publication Critical patent/CN202683052U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Treating Waste Gases (AREA)

Abstract

The utility model discloses a front semi-dry gas desulfurization system which comprises a desulfurization system, a dust removal system and an exhaust system, wherein the desulfurization system is arranged on the front end of the dust removal system, the desulfurization system comprises a desulfurization tower, a cyclone separator and a recycling material box; the inlet end of the desulfurization tower is connected with a flue which is not subjected to dust removal, the outlet end of the desulfurization tower is connected with the inlet end of the cyclone separator, the first outlet end of the cyclone separator is connected with the dust removal system, the dust removal system is connected with the exhaust system, the second outlet end of the cyclone separator is connected with the inlet end of the recycling material box, the outlet end of the recycling material box is communicated with the desulfurization tower, and a spraying device used for spraying a desulfurizing agent into the desulfurization tower is arranged on the desulfurization tower. The desulfurization system is connected with the flue which is not subjected to dust removal, smoke is desulfurized before dust removal, thus the dust removal condition of the dust removal system is improved; and only a primary dust removal system is arranged on the whole system, thus one-time building cost is lowered, and operation cost of the front semi-dry gas desulfurization system is greatly reduced.

Description

The forward type semi-dry desulphurization system
Technical field
The utility model relates to a kind of industrial waste gas desulphurization system, relates in particular to a kind of forward type semi-dry desulphurization system.
Background technology
Flue gas desulfurization (being called for short FGD) refers to remove oxysulfide (SO from boiler flue or other industrial waste gases 2And SO 3).Semidry method FGD technology refers to desulfurizing agent desulfurization under drying regime, regeneration under wet condition (such as washing regenerating active carbon flow process), perhaps desulfurization under wet condition, processes the flue gas desulfurization technique of desulfurization product (such as spray drying process) under dried state.Particularly desulfurization under wet condition, under dried state, process the semidry method of desulfurization product, with its advantage that existing wet desulphurization reaction speed is fast, desulfuration efficiency is high, have again dry method without the sewage spent acid discharge, the easy-to-handle advantage of desulfurization afterproduct and be subject to people and pay close attention to widely.
As shown in Figure 1, traditional sweetening process: flue gas enters electric cleaner by boiler, and to separate flying dust and dust, the flue gas after the dedusting enters desulfurizing tower and carries out desulfurization, and the flue gas after the desulfurization enters the sack cleaner dedusting again, is discharged through chimney by induced draught system at last.This shows, this system is provided with the two-stage dedusting, during practical operation, the outlet of first order electric cleaner needs that also blower fan is set flue gas is blowed to desulfurizing tower, second level sack cleaner outlet arranges induced draught system, flue gas is blowed to chimney, the once input when having increased so undoubtedly this system Construction, and system is tediously long, complicated, makes troubles also for maintenance and maintenance.
The utility model content
The purpose of this utility model is to solve the problems of the technologies described above, a kind of forward type semi-dry desulphurization system is provided, be installed on dust pelletizing system with respect to traditional desulphurization system postposition, secondary dust collecting system and corresponding induced draught system need to be set after desulphurization system, the utility model need not to set up secondary dust collecting system with the preposition dust pelletizing system that is installed on of desulphurization system, the once input when having saved system Construction, and the desulphurization system compact conformation, desulfurized effect is obvious.
For reaching this purpose, the utility model by the following technical solutions:
A kind of forward type semi-dry desulphurization system, comprise: desulphurization system, dust pelletizing system, gas extraction system, desulphurization system is installed on the front end of dust pelletizing system, described desulphurization system comprises desulfurizing tower, cyclone separator, the recirculation hopper, the arrival end of described desulfurizing tower is connected with exhaust gases passes without dedusting, the port of export of described desulfurizing tower is connected with the arrival end of described cyclone separator, first port of export of described cyclone separator is connected with dust pelletizing system, described dust pelletizing system is connected with described gas extraction system again, second port of export of described cyclone separator is connected with the arrival end of described recirculation hopper, the port of export of described recirculation hopper is communicated with described desulfurizing tower, is equiped with on the described desulfurizing tower for the injection apparatus that sprays desulfurizing agent in desulfurizing tower.
Further, described desulfurizing tower comprises import bend loss, venturi pipeline section, the section of rising that sequentially connects, and described import bend loss is connected with flue, and the described section of rising is connected with described cyclone separator.
Further, extend a bye-pass on the connecting line between described cyclone separator and the described dust pelletizing system, described bye-pass connects activated carbon system.
Further, described gas extraction system comprises air-introduced machine, chimney, the arrival end of described air-introduced machine is connected with first port of export of described dust pelletizing system, the port of export of described air-introduced machine is communicated with described chimney, and second port of export connection one of described dust pelletizing system is used for the dust that dust pelletizing system is caught is delivered to the byproduct system of warehouse or slag treatment system.
Preferably, the inside of described import bend loss is provided with for the guide vane of regulating flue gas flow direction.
Further, described injection apparatus is installed in described venturi pipeline section place, and the first end of described injection apparatus extends into the inside of described venturi pipeline section, and the second end of described injection apparatus connects the desulfurizing agent preparation system.
Further, first port of export of described recirculation hopper is communicated with the described section of rising, and second port of export connection one of described recirculation hopper is delivered to the byproduct system of warehouse or slag treatment system for the product that will recycle hopper.
Further, the second end of described injection apparatus also connects water pot and compressed air source.
Preferably, described dust pelletizing system adopts sack cleaner or electrostatic precipitator.
Compared to existing technology, the beneficial effects of the utility model:
1, by the preposition dust pelletizing system that is installed on of desulphurization system, not only improved the dedusting condition of dust pelletizing system, the suffered corrosion meeting of dust pelletizing system is obviously reduced, and desulphurization system directly is connected with exhaust gases passes without dedusting, flue gas at first passes through desulfurization, carry out again dedusting after the desulfurization, only need primary dust removing system and induced draught system, with respect to the rearmounted installation of traditional desulphurization system multistage dedusting and induced draught system need to be set, reduced construction cost one time, and significantly reduced the operating cost of semi-dry desulphurization system, remarkable in economical benefits;
2, desulfurizing tower mainly is comprised of the import bend loss, venturi pipeline section, the section of rising that sequentially connect, at the venturi pipeline section injection apparatus is set, with desulfurizing agent, water, the air Injection section of rising, desulfurizing agent and flue gas react in the section of rising, the oxysulfide in the flue gas can be reduced to desired 100 milligrams of every marks vertical in;
3, the circulatory system that is comprised of desulfurizing tower, cyclone separator, recirculation hopper can make desulfurizing agent obtain the most efficient recycling, and also so that the whole system characteristics of compact layout, floor space is few;
4, by inject more water in desulfurizing tower, further cooled flue gas reduces flue-gas temperature, so that flue gas and desulfurizing agent fully react, also can reduce the exhaust gas volumn that enters dust pelletizing system, because the minimizing of flue gas volume, the dust discharge amount after the dust pelletizing system dedusting can further reduce;
5, by between cyclone separator and dust pelletizing system, accessing activated carbon system, can further absorb mercury, dioxide and other tiny pollutants, pollutant is absorbed and is deposited on carbon surface, enters dust pelletizing system and removes.
Description of drawings
Fig. 1 is the flow chart of existing desulphurization system;
Fig. 2 is the flow chart of the described forward type semi-dry desulphurization system of embodiment.
Among the figure:
1, desulfurizing tower; 101, import bend loss; 102, venturi pipeline section; 103, the section of rising; 2, cyclone separator; 3, recirculation hopper; 4, electrostatic precipitator; 5, air-introduced machine; 6, chimney; 7, byproduct system; 8 activated carbon system; 9, compressed air source; 10, slurries mixing pit; 11, water pot; 12, lime accumulator tank; 13, spray gun.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
As shown in Figure 2, in the present embodiment, forward type semi-dry desulphurization system described in the utility model comprises: desulphurization system, dust pelletizing system, gas extraction system, and the preposition dust pelletizing system that is installed on of desulphurization system, gas extraction system is installed on the rear end of dust pelletizing system.
Desulphurization system comprises desulfurizing tower 1, cyclone separator 2, recirculation hopper 3, the arrival end of desulfurizing tower 1 is connected with flue without dedusting, the port of export of desulfurizing tower 1 is connected with the arrival end of cyclone separator 2, first port of export of cyclone separator 2 is connected with dust pelletizing system, dust pelletizing system is connected with gas extraction system again, second port of export of cyclone separator 2 is connected with the arrival end of recirculation hopper 3, the port of export of recirculation hopper 3 is communicated with desulfurizing tower 1, is equiped with on the desulfurizing tower 1 for the injection apparatus that sprays desulfurizing agent in desulfurizing tower.
Dust pelletizing system adopts electrostatic precipitator 4, and the selection of deduster can require to determine according to composition and the purification of flue gas, also can adopt sack cleaner in other embodiments.
Gas extraction system comprises air-introduced machine 5, chimney 6, and the arrival end of air-introduced machine 5 is connected with the port of export of dust pelletizing system, and the port of export of air-introduced machine 5 is communicated with chimney 6.
More specifically, desulfurizing tower 1 comprises import bend loss 101, venturi pipeline section 102, the section of rising 103 that sequentially connects, flue is connected with import bend loss 101, and the venturi pipeline section 102 that is linked in sequence again, the section of rising 103, the section of rising 103 are connected with the arrival end of cyclone separator 2 again; First port of export of cyclone separator 2 is connected with the arrival end of electrostatic precipitator 4, second port of export of cyclone separator 2 is connected with the arrival end of recirculation hopper 3, first port of export of recirculation hopper 3 is communicated with the section of rising 103, and second port of export of recirculation hopper 3 is connected with byproduct system 7; First port of export of electrostatic precipitator 4 is connected with the arrival end of air-introduced machine 5, and the port of export of air-introduced machine 5 is communicated with chimney 6; Second port of export of electrostatic precipitator 4 is connected with byproduct system 7.
Injection apparatus comprises spray gun 13, the first end of spray gun 13 extends into the inside of venturi pipeline section, the second end of spray gun 13 connects desulfurizing agent lime white preparation system, water pot 11, compressed air source 9, and the first end of spray gun 13 adopt can be simultaneously to the two-way fluid injector of the section of rising injected water and lime white.
Above-mentioned lime white preparation system comprises lime slaking device, lime accumulator tank 12, adds water by the lime stone from lime accumulator tank 12 and make in the lime slaking device, and its reaction mechanism is as follows: CaO+H 2O=Ca (OH) 2+ heat, lime slaking carries out in two steps: be lime slaking that solids content is 40% dope at first, then be to be 20% thin pulp with its dilution for solids content, temperature during lime slaking will reach 90 ℃~95 ℃, lime white enters slurries mixing pit 10 from ager, is squeezed into the desulfurizing tower by dosing pump from slurries mixing pit 10 again.
The forward type semi-dry desulfurizing process comprises the steps: to enter import bend loss 101 without the flue gas of dedusting from flue, enter again venturi pipeline section 102, by the inside at the import bend loss guide vane is set, can regulate flue gas flow direction, make the smoke distribution that enters venturi pipeline section 102 even, venturi pipeline section 102 places narrow down its cross section for the linear velocity that increases flue gas and solid matter, when guaranteeing that flue gas enters the section of rising 103 by venturi pipeline section 102, solid matter produces a fluid bed in the section of rising 103; The spray gun 13 that is arranged on simultaneously venturi pipeline section 102 places injects the section of rising 103 by nozzle with new lime white and water, fully contact with flue gas at the section of rising 103 lime, and with flue gas in acid constituents generation neutralization reaction, utilize flue gas suspension desulfur technology, can make the coal dust ash of high concentration, dust, lime forms the accumulation of Cmax in desulfurizing tower, its concentration is 50~100 times of traditional desulfurizing tower under normal circumstances, because lime stone and flue gas reaction surface in fluid bed are large, contact fully, thereby the removal degree of acid is very high, content of sulfur dioxide after processing in the flue gas can be reduced to desired 100 milligrams of every marks vertical in, its reaction mechanism is as follows:
2HCl+Ca(OH) 2=CaCl 2+2H 2O;
2HF+Ca(OH) 2=CaF 2+2H 2O;
SO 2+Ca(OH) 2=CaSO 3+H 2O;
CaSO 3+ 1/ 2O 2=CaSO 4
Flow velocity at the section of rising 103 flue gases is very high, solid particle is transported to the top exit of the section of rising 103 by flue gas, and then enter cyclone separator 2, separated at cyclone separator 2 interior most of particles, approximately 99% flue gas particle is captured, and only seldom particle is carried by flue gas and is delivered to electrostatic precipitator 4, and absorbed particle returns in the desulfurizing tower 1 by recirculation hopper 3, make the desulfurizing agent lime white obtain utilizing the most efficiently, thereby make the total amount of lime reduce to minimum; The flue gas that contains a small amount of solid particle causes electrostatic precipitator 4 from cyclone separator 2, and after electrostatic precipitator 4 dedustings, air-introduced machine 5 is discharged flue gas by chimney 6.The effect of air-introduced machine is: keep the inner required stress level of desulfurizing tower; Overcome the pressure drop of locating to produce at flue, desulfurizing tower, deduster etc.
Inject further cooled flue gas of more water by spray gun 13 to the section of rising 103, reach the temperature purpose of control flue gas.In desulphurization system, flue-gas temperature control is very important, and reason has and is two aspects: one, lime stone absorbs the sour branch in flue gas the inside and improves with the reduction of flue-gas temperature; Two, crossing low flue-gas temperature can make the desulfurizing tower the inside recycled material trend of cohering increase.
In order further to absorb mercury, dioxide and other tiny pollutants, connecting pipe between cyclone separator 2 and electrostatic precipitator 4 is extended a bye-pass, bye-pass connects activated carbon system 8, activated carbon injects flue gas to bring deduster into, mercury and dioxide are absorbed and are deposited on carbon surface, enter deduster by static.
Second port of export of recirculation hopper 3, second port of export of electrostatic precipitator 4 all link to each other with byproduct system 7, being delivered to warehouse or slag treatment system by the product of recirculation hopper discharge, the dust of being caught by deduster, because the factors such as the compact conformation of this cleaning system, absorption efficiency height, so that lime consumption is less, thereby its residue will lack than the General Evolution system; The expense of simultaneously this system maintenance is also more much lower than general gas purge system, because wherein only having few moving component, therefore wearing and tearing are few, nozzle structure is simple and be static, so this desulphurization system not only has an economic benefit, and environmental benefit is arranged.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, and these modes all will fall within the protection domain of the present utility model.

Claims (9)

1. forward type semi-dry desulphurization system, it is characterized in that, comprise: desulphurization system, dust pelletizing system, gas extraction system, desulphurization system is installed on the front end of dust pelletizing system, described desulphurization system comprises desulfurizing tower, cyclone separator, the recirculation hopper, the arrival end of described desulfurizing tower is connected with exhaust gases passes without dedusting, the port of export of described desulfurizing tower is connected with the arrival end of described cyclone separator, first port of export of described cyclone separator is connected with dust pelletizing system, described dust pelletizing system is connected with described gas extraction system again, second port of export of described cyclone separator is connected with the arrival end of described recirculation hopper, the port of export of described recirculation hopper is communicated with described desulfurizing tower, is equiped with on the described desulfurizing tower for the injection apparatus that sprays desulfurizing agent in desulfurizing tower.
2. forward type semi-dry desulphurization system according to claim 1, it is characterized in that, described desulfurizing tower comprises import bend loss, venturi pipeline section, the section of rising that sequentially connects, and described import bend loss is connected with flue, and the described section of rising is connected with described cyclone separator.
3. forward type semi-dry desulphurization system according to claim 1 is characterized in that, extends a bye-pass on the connecting line between described cyclone separator and the described dust pelletizing system, and described bye-pass connects activated carbon system.
4. forward type semi-dry desulphurization system according to claim 1, it is characterized in that, described gas extraction system comprises air-introduced machine, chimney, the arrival end of described air-introduced machine is connected with first port of export of described dust pelletizing system, the port of export of described air-introduced machine is communicated with described chimney, and second port of export connection one of described dust pelletizing system is used for the dust that dust pelletizing system is caught is delivered to the byproduct system of warehouse or slag treatment system.
5. forward type semi-dry desulphurization system according to claim 2 is characterized in that, the inside of described import bend loss is provided with for the guide vane of regulating flue gas flow direction.
6. forward type semi-dry desulphurization system according to claim 2, it is characterized in that, described injection apparatus is installed in described venturi pipeline section place, and the first end of described injection apparatus extends into the inside of described venturi pipeline section, and the second end of described injection apparatus connects the desulfurizing agent preparation system.
7. forward type semi-dry desulphurization system according to claim 2, it is characterized in that, first port of export of described recirculation hopper is communicated with the described section of rising, and second port of export connection one of described recirculation hopper is delivered to the byproduct system of warehouse or slag treatment system for the product that will recycle hopper.
8. forward type semi-dry desulphurization system according to claim 6 is characterized in that, the second end of described injection apparatus also connects water pot and compressed air source.
9. each described forward type semi-dry desulphurization system is characterized in that according to claim 1~8, and described dust pelletizing system adopts sack cleaner or electrostatic precipitator.
CN 201220303611 2012-06-26 2012-06-26 Front semi-dry gas desulfurization system Expired - Fee Related CN202683052U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220303611 CN202683052U (en) 2012-06-26 2012-06-26 Front semi-dry gas desulfurization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220303611 CN202683052U (en) 2012-06-26 2012-06-26 Front semi-dry gas desulfurization system

Publications (1)

Publication Number Publication Date
CN202683052U true CN202683052U (en) 2013-01-23

Family

ID=47538729

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220303611 Expired - Fee Related CN202683052U (en) 2012-06-26 2012-06-26 Front semi-dry gas desulfurization system

Country Status (1)

Country Link
CN (1) CN202683052U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102716658A (en) * 2012-06-26 2012-10-10 无锡高达环境科技有限公司 Front semidry desulphurization system and desulphurization technology
CN103968403A (en) * 2014-04-04 2014-08-06 彭维明 Device and method for efficiently purifying smoke of coal-fired power plant
CN103994455A (en) * 2014-04-04 2014-08-20 彭维明 System and method for efficiently removing dust in flue gas of coal-fired power plant
CN105854501A (en) * 2016-04-28 2016-08-17 安徽工业大学 Emission reduction system for fine particles in sintering process of iron ore
CN106731286A (en) * 2016-11-23 2017-05-31 无锡市国松环保机械有限公司 Integration dust-removing desulphurization system
CN107029531A (en) * 2017-05-12 2017-08-11 安徽晨晰洁净科技有限公司 The desulfurization of industrial smoke, dedusting denitrification integral handling process
CN110511772A (en) * 2019-09-05 2019-11-29 唐山宝利源炼焦有限公司 A kind of coke dry quenching furnace desulphurization system
CN111013346A (en) * 2019-12-27 2020-04-17 中国科学院过程工程研究所 Electrolytic aluminum flue gas semi-dry desulfurization and defluorination system and method
CN112807972A (en) * 2020-12-29 2021-05-18 苏州仕净环保科技股份有限公司 High-efficient compound dust removal SOx/NOx control equipment of industrial waste gas
CN112807971A (en) * 2020-12-29 2021-05-18 苏州仕净环保科技股份有限公司 High-efficient purifier of industrial waste gas

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102716658A (en) * 2012-06-26 2012-10-10 无锡高达环境科技有限公司 Front semidry desulphurization system and desulphurization technology
CN103968403A (en) * 2014-04-04 2014-08-06 彭维明 Device and method for efficiently purifying smoke of coal-fired power plant
CN103994455A (en) * 2014-04-04 2014-08-20 彭维明 System and method for efficiently removing dust in flue gas of coal-fired power plant
CN105854501B (en) * 2016-04-28 2018-02-02 安徽工业大学 A kind of emission-reducing system of Ore Sintering Process fine particle
CN105854501A (en) * 2016-04-28 2016-08-17 安徽工业大学 Emission reduction system for fine particles in sintering process of iron ore
CN106731286A (en) * 2016-11-23 2017-05-31 无锡市国松环保机械有限公司 Integration dust-removing desulphurization system
CN107029531A (en) * 2017-05-12 2017-08-11 安徽晨晰洁净科技有限公司 The desulfurization of industrial smoke, dedusting denitrification integral handling process
CN110511772A (en) * 2019-09-05 2019-11-29 唐山宝利源炼焦有限公司 A kind of coke dry quenching furnace desulphurization system
CN110511772B (en) * 2019-09-05 2021-06-29 唐山宝利源炼焦有限公司 Dry quenching furnace desulfurization system
CN111013346A (en) * 2019-12-27 2020-04-17 中国科学院过程工程研究所 Electrolytic aluminum flue gas semi-dry desulfurization and defluorination system and method
WO2021128472A1 (en) * 2019-12-27 2021-07-01 中国科学院过程工程研究所 Semi-dry desulfurization and defluorination system and method for aluminum electrolysis flue gas
CN112807972A (en) * 2020-12-29 2021-05-18 苏州仕净环保科技股份有限公司 High-efficient compound dust removal SOx/NOx control equipment of industrial waste gas
CN112807971A (en) * 2020-12-29 2021-05-18 苏州仕净环保科技股份有限公司 High-efficient purifier of industrial waste gas
CN112807972B (en) * 2020-12-29 2023-02-28 苏州仕净科技股份有限公司 High-efficient compound dust removal SOx/NOx control equipment of industrial waste gas

Similar Documents

Publication Publication Date Title
CN202683052U (en) Front semi-dry gas desulfurization system
CN102716658A (en) Front semidry desulphurization system and desulphurization technology
CN208356505U (en) A kind of semi-dry desulphurization dust pelletizing system for catalytic cracking unit flue gas
CN205164488U (en) Mixed flue gas wet flue gas desulfurization device of fire coal - catalysis
CN102794090A (en) Flue gas purifier utilizing combination of spray-drying method and hydrated lime powder injection
CN204320062U (en) A kind of high effective flue gas cleaning system
CN101940870A (en) Device for removing sulfur dioxide in flue gas
CN105642104A (en) Deep purification method and device of flue gas after wet-process desulfurization
CN102631821A (en) Semidry-wet method cooperation desulfurization equipment and method
CN206276171U (en) A kind of high-efficiency flue gas desulfurization cleaner
CN1272088C (en) Method of proceeding desulfurzation of smoke using waste alkali slag
CN104258668B (en) A kind of washing degree of depth dust arrester
CN109364747A (en) A kind of collecting smoke dust from coke oven desulphurization system and technique
CN103301745A (en) Cyclone separator desulfurization device
CN107998865A (en) A kind of flue-gas dust-removing and desulfurization cleaning system
CN109569260B (en) Circulating fluidized bed boiler flue gas desulfurization device and process
CN105032173A (en) Device and process of ammonia-soda-process combined desulfurization and denitrification
CN205164485U (en) Coal -fired boiler smoke purifying device
CN201889155U (en) Removal device for sulfur dioxide in smoke
CN202823129U (en) Flue gas cleaning device of spray drying method combined with hydrated lime powder spraying
CN101927125B (en) Dual-circulation absorption tower
CN207871900U (en) A kind of flue-gas dust-removing and desulfurization purification system
CN103585847B (en) A kind of desulfation dust-extraction device containing lead fume and method
CN207187421U (en) A kind of circulation deacidification purification device for danger wastes incineration flue gas
CN205288076U (en) Flue gas deep purification device behind wet flue gas desulfurization

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130123

Termination date: 20210626

CF01 Termination of patent right due to non-payment of annual fee