CN103272468A - Absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke - Google Patents

Absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke Download PDF

Info

Publication number
CN103272468A
CN103272468A CN2013102338836A CN201310233883A CN103272468A CN 103272468 A CN103272468 A CN 103272468A CN 2013102338836 A CN2013102338836 A CN 2013102338836A CN 201310233883 A CN201310233883 A CN 201310233883A CN 103272468 A CN103272468 A CN 103272468A
Authority
CN
China
Prior art keywords
absorption
flue gas
denitration
area
absorption 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.)
Pending
Application number
CN2013102338836A
Other languages
Chinese (zh)
Inventor
朱金伟
王洪昌
张凡
王凡
刘宇
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.)
BEIJING XIANDAI LVYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Beijing Zhonghuan Xinrui Environmental Protection Technology Co Ltd
Chinese Research Academy of Environmental Sciences
Original Assignee
BEIJING XIANDAI LVYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Beijing Zhonghuan Xinrui Environmental Protection Technology Co Ltd
Chinese Research Academy of Environmental Sciences
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 BEIJING XIANDAI LVYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd, Beijing Zhonghuan Xinrui Environmental Protection Technology Co Ltd, Chinese Research Academy of Environmental Sciences filed Critical BEIJING XIANDAI LVYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Priority to CN2013102338836A priority Critical patent/CN103272468A/en
Publication of CN103272468A publication Critical patent/CN103272468A/en
Pending legal-status Critical Current

Links

Abstract

An absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke comprises a removed sulfur absorption liquid circulation tank, a concentration cooling area, a removed sulfur absorption area, a smoke hardening and tempering area, a removed niter absorption area, an ammonia escape control area and a demisting area, wherein the removed sulfur absorption liquid circulation tank and the concentration cooling area are isolated through a sealing tower plate; every two adjacent areas of the concentration cooling area, the removed sulfur absorption area, the smoke hardening and tempering area, the removed niter absorption area and the ammonia escape control area are separated by one tower plate provided with uniform distribution hoods; and a smoke inlet is formed in the lower end of the concentration cooling area, and a smoke outlet is formed above the demisting area. Removed sulfur and removed niter in the absorption tower can be absorbed in absorption manners such as spraying absorption, spraying and filling absorption, tower plate type absorption, and the like, and the absorption manners can be conveniently combined; a smoke hardening and tempering device can perform hardening and tempering in a gas state manner or a liquid state manner; and with the adoption of acid characteristics of a removed sulfur absorption liquid, the escape of ammonia in the denitration smoke is controlled. The absorption tower integrates multiple functions, so that system energy consumption is reduced.

Description

A kind of absorption tower that removes sulfur dioxide in flue gas, nitrogen oxide of uniting
Technical field
The present invention relates to a kind of absorption tower that removes sulfur dioxide in flue gas, nitrogen oxide of uniting, belong to the air pollution control technique field.
Background technology
At present, domestic wet method denitrating technique is based on wet desulphurization more, adds gaseous state in the flue gas or liquid oxidizer is oxidized to NO with NO before flue gas enters the absorption tower or in the absorption tower 2, the recycling alkaline absorption solution removes NO XPerhaps in flue gas, replenish NO 2Make the NO/NO in the flue gas 2About 1, NO and NO 2Generate nitrate, the NO in the flue gas with the alkaline absorption solution reaction after the combination reaction XBe removed.This technology generally is the absorption tower that utilizes wet desulphurization absorption tower to take off together as sulphur nitre, the SO in the flue gas 2And NO XBe removed at same absorber portion.
Utilize conventional wet desulfuration tower to carry out sulphur nitre with taking off, mainly have the following disadvantages: 1) only adopt a kind of absorbent to remove SO in the flue gas usually 2And NO X, final accessory substance is the mixture of accessory substance behind the desulphurization denitration, can cause the added value reduction simultaneously of separation of by-products difficulty like this.The pH value of absorption liquid is slightly different when 2) moving with denitration owing to desulfurization, and absorption liquid generally is faintly acid during desulfurization operation, and pH need control 6~7, and the best pH of denitration reaction is 8~9.When desulfurization and denitrification reaction when same absorber portion carries out, will certainly cause the waste of absorption liquid or the reduction of denitration efficiency.3) as adopting ammoniacal liquor as absorbent, ammonia volatilizees easily, if desulphurization denitration carries out at same absorber portion, in order to guarantee denitration efficiency, can cause the escape of carrying of a large amount of ammonia, influences the utilization rate of ammonia, also influences the fume emission index simultaneously.
Summary of the invention
Based on above present situation, the objective of the invention is to overcome conventional absorption tower and carry out weakness and the defective of sulphur nitre when taking off, a kind of absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting is proposed.This inside, absorption tower is divided into a plurality of functional areas, and each combination back, functional areas constitutes the absorption tower of satisfying above-mentioned requirements.
For achieving the above object, the present invention is by the following technical solutions:
A kind of absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting, this absorption tower comprises from bottom to top successively: desulfurization absorption liquid circulating slot, concentrate cooling area, desulfurization uptake zone, flue gas conditioning district, denitration uptake zone, the escaping of ammonia control zone and except the fog-zone, wherein between desulfurization absorption liquid circulating slot and the concentrated cooling area by the isolation of sealing column plate; All adopt the column plate that is provided with even distribution blast cap to separate in described concentrated cooling area, desulfurization uptake zone, flue gas conditioning district, denitration uptake zone, the escaping of ammonia control zone between adjacent two districts; Smoke inlet is arranged on the lower end that concentrates cooling area; Exhanst gas outlet is arranged on except the top, fog-zone.
Described concentrated cooling area is provided with and concentrates the cooling spraying layer, should concentrate the top that the cooling spraying layer is located at smoke inlet, should concentrate the cooling spraying layer and connect concentrated circulating pump and the crystallization surge tank that is arranged on the outside, absorption tower by pipeline successively, this crystallization surge tank is connected with concentrated cooling area by pipeline, constitutes one and concentrates the cooling circulation.
When the desulfurization of adopting and the absorbent of denitration have volatility, when for example adopting ammoniacal liquor as the absorbent of desulfurization and denitration, in the denitration uptake zone with except between the fog-zone the escaping of ammonia control zone is set, when the denitration absorbing liquor non-volatility, in the absorption tower the escaping of ammonia control zone can be set.The absorption pattern of described desulfurization uptake zone, denitration uptake zone and the escaping of ammonia control zone can adopt spray to absorb, spray filled absorption or column plate type absorption according to smoke property.
Described desulfurization absorption liquid circulating slot is connected with desulfurization uptake zone, the escaping of ammonia control zone respectively by pipeline, constitutes sulfur dioxide and absorbs circulation and the escaping of ammonia control circulation, and the pipeline that connects desulfurization absorption liquid circulating slot bottom is provided with desulfurization absorption liquid circulating pump.
Can adopt in described flue gas conditioning district and to allocate nitrogen dioxide gas into or to adopt gaseous oxidizer generation oxidation reaction, but gaseous oxidizer O 3Or the gas with same oxygen voltinism, it is modified also can to adopt liquid oxidizer that flue gas is carried out, and liquid oxidizer is generally has finite concentration, contains H 2O 2, KMnO 4, KClO 4Or HNO 3Liquid.
When employing is allocated nitrogen dioxide gas into or is adopted gaseous oxidizer, the upper end in described flue gas conditioning district is provided with the gaseous oxidizer distribution apparatus, this distribution apparatus connects the gaseous oxidizer feed system by pipeline, and nitrogen dioxide or gaseous oxidizer that the gaseous oxidizer feed system is allocated needs into are transported to the flue gas conditioning district by pipeline.
When adopting liquid oxidizer that flue gas is carried out when modified, the upper end in described flue gas conditioning district is provided with the liquid oxidizer input unit, this liquid oxidizer input unit is connected with the liquid oxidizer circulating slot with the oxidant supply pump respectively by pipeline, this liquid oxidizer circulating slot is connected by the lower end of pipeline with the flue gas conditioning district, constitutes the oxidation cycle of flue gas conditioning liquid.
The upper end of described denitration uptake zone is connected with the denitration absorbing liquor circulating slot with the denitration absorbent recirculation pump respectively by pipeline, and the denitration absorbing liquor circulating slot is connected by the lower end of pipeline with the denitration uptake zone, constitutes the nox adsorption circulation.
The invention has the advantages that:
The absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting of the present invention is multisection type list tower, changed the form of traditional desulfurizing tower, make that it has simultaneously that absorption liquid concentrates, functions such as flue gas conditioning, denitrating flue gas and the escaping of ammonia control, make absorption tower of the present invention have following characteristics.
1) heat that takes full advantage of flue gas effectively concentrates circulation fluid, has reduced system energy consumption, has reduced the temperature when flue gas enters into the desulfurization uptake zone simultaneously, is conducive to sulfur dioxide in flue gas and is absorbed, and realizes the optimal absorption effect;
2) desulfurization in the absorption tower, denitration can be selected multiple absorption patterns such as spray, filler spray, column plate type absorption, combined and instant for use;
3) it is modified that the flue gas conditioning device can be selected gaseous state for use, also can select for use liquid modified, flexible and changeable;
4) the flue gas conditioning district is placed on after the desulfurization absorber portion, has reduced the consumption of flue gas conditioning oxidant, has reduced SO in the flue gas 3Generation;
5) utilize the acidic nature of desulfurization absorption liquid, the escaping of ammonia after the control denitration in the flue gas has been saved system's ammonia consumption;
6) compare with traditional system for desulfuration and denitration, absorption tower of the present invention integrates multiple function, has reduced SR, has saved floor space, has reduced system energy consumption.
Description of drawings
Fig. 1 removes the structural representation on the absorption tower of sulfur dioxide in flue gas and nitrogen oxide for the present invention unites.
The specific embodiment
As shown in Figure 1, inside, absorption tower of the present invention is divided into a plurality of functional areas, and this absorption tower comprises from bottom to top successively: desulfurization absorption liquid circulating slot 17, concentrate cooling area 3, desulfurization uptake zone 6, flue gas conditioning district 8, denitration uptake zone 10, the escaping of ammonia control zone 12, except fog-zone 13.When desulfurization, denitration absorbing liquor non-volatility, in the absorption tower the escaping of ammonia control zone 12 can be set.
The bottommost on absorption tower is desulfurization absorption liquid circulating slot 17, and its top utilizes sealing column plate 2 that both are isolated for concentrating cooling area 3, and smoke inlet 1 is arranged on the lower end that concentrates cooling area 3; Desulfurization uptake zone 6 is arranged on the top that concentrates cooling area 3, adopts the column plate 5 that is provided with even distribution blast cap to separate between the two, and flue gas enters into desulfurization uptake zone 6 from concentrating cooling area 3 uniformly by this column plate 5; Flue gas conditioning district 8 is arranged on the top of desulfurization uptake zone 6, adopt the column plate 7 that is provided with even distribution blast cap to separate between the two, denitration uptake zone 10 is arranged on the top in flue gas conditioning district 8, adopt the column plate 9 that is provided with even distribution blast cap to separate between the two, flue gas after modified mixes by blast cap and reaches denitration reaction and requires oxidizability, enters into denitration uptake zone 10 from flue gas conditioning district 8 uniformly; The escaping of ammonia control zone 12 arranges the top of denitration uptake zone 10, adopts the column plate 11 that is provided with even distribution blast cap to separate between the two, and flue gas enters into the escaping of ammonia control zone 12 from denitration uptake zone 10 uniformly by this column plate 11; Residual ammonia absorbs in the 12 pairs of flue gases in the escaping of ammonia control zone, and reacted flue gas is through discharging except exporting 14 by the absorption tower after 13 demists of fog-zone.
In concentrating cooling area 3 smoke inlet 1 above be provided with and concentrate cooling spraying layer 4, cooling spraying layer 4 be should concentrate and concentrated circulating pump 15 and crystallization surge tank 16 connected respectively by pipeline, this crystallization surge tank 16 is connected to the bottom that concentrates cooling area 3 by pipeline, constitutes one and concentrates the cooling circulation.Circulation fluids in the crystallization surge tank 16 can utilize the heat of flue gas that circulation fluid is effectively concentrated according to the desulfurization after the process choice oxidation or denitration absorbing liquor, and the concentration of circulation fluid, is concentrated to about 25% below 18% by original; Simultaneously, flue-gas temperature is reduced to about 60 ℃, makes flue gas reach the optimal reaction temperature of desulfurization, be conducive to sulfur dioxide in flue gas and be absorbed, realize the optimal absorption effect.
The absorption pattern of desulfurization uptake zone 6 and the escaping of ammonia control zone 12 can adopt that spray absorbs, filler absorbs or column plate type absorbs, and can correspondingly arrange according to the difference of absorption pattern to absorb spraying layer, packing layer or column plate absorbed layer.Desulfurization absorption liquid circulating slot 17 is connected with desulfurization uptake zone 6, the escaping of ammonia control zone 12 respectively by pipeline, constitutes sulfur dioxide and absorbs circulation and the escaping of ammonia control circulation, and the pipeline that connects desulfurization absorption liquid circulating slot 17 bottoms is provided with desulfurization absorption liquid circulating pump 18.Absorption liquid is input to the top of desulfurization uptake zone 6 and the escaping of ammonia control zone 12 from desulfurization absorption liquid circulating slot 17 respectively through desulfurization absorption liquid circulating pump 18, and reacted absorption liquid flows out to get back in the desulfurization absorption liquid circulating slot from the bottom of desulfurization uptake zone 6 and the escaping of ammonia control zone 12 and recycles.The upper end of desulfurization uptake zone 6 also is provided with absorption liquid and feeds pipeline 22, replenishes fresh desulfurization absorption liquids to the desulfurization uptake zone in 6 by this pipeline 22.The main component of desulfurization absorption liquid and the escaping of ammonia control absorption liquid is ammonium sulfite, ammonium bisulfite and ammoniacal liquor, the concentration control of absorption liquid is below 18%, the pH value control of absorption liquid is between 5.5~6.5, both had higher desulfurization and ammonia assimilation effect, can reduce the percent crystallization in massecuite of absorption liquid again, avoid aerocolloidal generation to reduce the wearing and tearing of equipment simultaneously.
Flue gas conditioning district 8 can be provided with gaseous oxidizer distribution apparatus or liquid oxidizer reaction unit.When adopting distribution or gaseous oxidizer, the gaseous oxidizer distribution apparatus is arranged on the below of the column plate 9 that is provided with even distribution blast cap, this gaseous oxidizer distribution apparatus connects the gaseous oxidizer feed system by pipeline, and nitrogen dioxide or gaseous oxidizer that needs are allocated into are transported to flue gas conditioning district 8 by the pipeline 21 that connects gas supply system.When gas enter that flue gas conditioning district 8 is mixed with flue gas after the desulfurization and by column plate 9 after enter denitration uptake zone 10, remove the nitrogen oxide in the flue gas.When to the distribution of flue gas conditioning district, generally in flue gas, allocate a certain proportion of NO into 2Gas; But and as gaseous oxidizer O 3Or the gas with same oxidisability, its effect mainly is that the NO in the flue gas is oxidized to NO 2, the effect of this dual mode all is to adjust NO and NO in the flue gas 2Ratio reach the optimum condition of denitration reaction.
When flue gas conditioning adopts liquid oxidizer, the upper end in flue gas conditioning district 8 is provided with the liquid oxidizer input unit, this liquid oxidizer input unit is connected with liquid oxidizer circulating slot 20 with oxidant supply pump 19 respectively by pipeline, this liquid oxidizer circulating slot 20 is connected by the lower end of pipeline with flue gas conditioning district 8, constitutes the oxidation cycle of flue gas conditioning liquid.The liquid oxidizer of accurate quantification enters the top in flue gas conditioning district 8 from liquid oxidizer circulating slot 20 through the oxidant supply pump, and the flue gas after the desulfurization is through column plate 7 and oxidant haptoreaction, and reacted oxidant flows back in the oxidant circulating slot, recycles.So, utilize the oxidisability of oxidant that a certain proportion of NO in the flue gas is oxidized to NO 2, adjust NO and NO in the flue gas 2Ratio reach the optimum condition of denitration reaction after, flue gas enters denitration uptake zone 10, removes nitrogen oxide wherein.Be generally as liquid oxidizer and have finite concentration and contain H 2O 2, KMnO 4, KClO 4Or HNO 3Solution.
Denitration uptake zone 10 can adopt absorption patterns such as spray absorption, filler absorption or column plate type absorption, can in this denitration uptake zone 10, select to arrange absorption spraying layer, packing layer or column plate absorbed layer according to the difference of absorption pattern, the upper end of this denitration uptake zone 10 is connected with denitration absorbing liquor circulating slot 24 with denitration absorbent recirculation pump 23 respectively by pipeline, denitration absorbing liquor circulating slot 24 is connected by the lower end of pipeline with denitration uptake zone 10, constitutes the nox adsorption circulation.The upper end of denitration uptake zone also is provided with absorption liquid and feeds pipeline 25, replenishes fresh denitration absorbing liquors to the denitration uptake zone in 10 by this pipeline 25.Flow to behind denitration absorbing liquor and the smoke reaction in the denitration absorbing liquor circulating slot 24, the top that is delivered to denitration uptake zone 10 through the denitration absorbent recirculation pump recycles.The main component of denitration absorbing liquor is ammonium nilrite, ammonium nitrate and ammoniacal liquor, the concentration control of absorption liquid is below 18%, the pH value control of absorption liquid is between 8~9, both had higher denitration assimilation effect, can reduce the percent crystallization in massecuite of absorption liquid again, avoid aerocolloidal generation to reduce the wearing and tearing of equipment simultaneously.

Claims (8)

1. unite the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide for one kind, it is characterized in that, this absorption tower comprises from bottom to top successively: desulfurization absorption liquid circulating slot, concentrate cooling area, desulfurization uptake zone, flue gas conditioning district, denitration uptake zone, the escaping of ammonia control zone and except the fog-zone, wherein between desulfurization absorption liquid circulating slot and the concentrated cooling area by the isolation of sealing column plate; All adopt the column plate that is provided with even distribution blast cap to separate in described concentrated cooling area, desulfurization uptake zone, flue gas conditioning district, denitration uptake zone, the escaping of ammonia control zone between adjacent two districts; Smoke inlet is arranged on the lower end that concentrates cooling area; Exhanst gas outlet is arranged on except the top, fog-zone.
2. the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting according to claim 1, it is characterized in that, described concentrated cooling area is provided with and concentrates the cooling spraying layer, should concentrate the top that the cooling spraying layer is located at smoke inlet, should concentrate the cooling spraying layer and connect concentrated circulating pump and the crystallization surge tank that is arranged on the outside, absorption tower by pipeline successively, this crystallization surge tank is connected with concentrated cooling area by pipeline, constitutes one and concentrates the cooling circulation.
3. the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting according to claim 1, it is characterized in that, described desulfurization absorption liquid circulating slot is connected with desulfurization uptake zone, the escaping of ammonia control zone respectively by pipeline, constitute sulfur dioxide and absorb circulation and the escaping of ammonia control circulation, the pipeline that connects desulfurization absorption liquid circulating slot bottom is provided with desulfurization absorption liquid circulating pump.
4. the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting according to claim 1, it is characterized in that, the upper end in described flue gas conditioning district is provided with the gaseous oxidizer distribution apparatus, and this distribution apparatus connects the gaseous oxidizer feed system by pipeline.
5. the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting according to claim 4 is characterized in that, described gaseous oxidizer is O 3Or the gas with same oxygen voltinism.
6. the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting according to claim 1, it is characterized in that, the upper end in described flue gas conditioning district is provided with the liquid oxidizer input unit, this liquid oxidizer input unit is connected with the liquid oxidizer circulating slot with the oxidant supply pump respectively by pipeline, this liquid oxidizer circulating slot is connected by the lower end of pipeline with the flue gas conditioning district, constitutes the oxidation cycle of flue gas conditioning liquid.
7. the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting according to claim 1 is characterized in that described liquid oxidizer is for containing H 2O 2, KMnO 4, KClO 4Or HNO 3Liquid.
8. the absorption tower that removes sulfur dioxide in flue gas and nitrogen oxide of uniting according to claim 1, it is characterized in that, the upper end of described denitration uptake zone is connected with the denitration absorbing liquor circulating slot with the denitration absorbent recirculation pump respectively by pipeline, the denitration absorbing liquor circulating slot is connected by the lower end of pipeline with the denitration uptake zone, constitutes the nox adsorption circulation.
CN2013102338836A 2013-06-13 2013-06-13 Absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke Pending CN103272468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013102338836A CN103272468A (en) 2013-06-13 2013-06-13 Absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013102338836A CN103272468A (en) 2013-06-13 2013-06-13 Absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke

Publications (1)

Publication Number Publication Date
CN103272468A true CN103272468A (en) 2013-09-04

Family

ID=49055150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013102338836A Pending CN103272468A (en) 2013-06-13 2013-06-13 Absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke

Country Status (1)

Country Link
CN (1) CN103272468A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105268293A (en) * 2015-08-07 2016-01-27 无锡桥阳机械制造有限公司 Combined desulfurization method used for metallurgical industry blast furnace flue gas
CN105854547A (en) * 2016-04-01 2016-08-17 河北科技大学 Ammonia oxidizing denitration process and reaction apparatus
CN106031843A (en) * 2015-03-16 2016-10-19 中国石油化工股份有限公司 Wet denitration method for industrial waste gas
CN106139850A (en) * 2016-08-26 2016-11-23 江苏中圣高科技产业有限公司 A kind of energy-efficient gas-liquid coupling oxidation sweetening denitrification apparatus
CN106621755A (en) * 2017-01-11 2017-05-10 长春工业大学 Integral technology using liquid phase to jointly absorb glue gas for simultaneous desulfurizing and denitration

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1359742A (en) * 2001-12-07 2002-07-24 罗经宇 Process and equipment for treating flue gas with tower of kittle tray
CN101601964A (en) * 2009-06-03 2009-12-16 李鹏举 A kind of high-efficiency ammonia flue gas desulfurization technique and device
CN201840981U (en) * 2010-10-20 2011-05-25 中国石油化工股份有限公司 Absorption device for removing sulfur dioxide in coal-fired flue gas through ammonia process
CN201940167U (en) * 2011-01-19 2011-08-24 南京清海环保设备有限公司 Smoke desulfurization absorption tower system based on ammonia method
CN102527224A (en) * 2011-12-31 2012-07-04 北京利德衡环保工程有限公司 Method and device for removing sulfur dioxide and nitrogen oxides from flue gas/ waste gas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1359742A (en) * 2001-12-07 2002-07-24 罗经宇 Process and equipment for treating flue gas with tower of kittle tray
CN101601964A (en) * 2009-06-03 2009-12-16 李鹏举 A kind of high-efficiency ammonia flue gas desulfurization technique and device
CN201840981U (en) * 2010-10-20 2011-05-25 中国石油化工股份有限公司 Absorption device for removing sulfur dioxide in coal-fired flue gas through ammonia process
CN201940167U (en) * 2011-01-19 2011-08-24 南京清海环保设备有限公司 Smoke desulfurization absorption tower system based on ammonia method
CN102527224A (en) * 2011-12-31 2012-07-04 北京利德衡环保工程有限公司 Method and device for removing sulfur dioxide and nitrogen oxides from flue gas/ waste gas

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106031843A (en) * 2015-03-16 2016-10-19 中国石油化工股份有限公司 Wet denitration method for industrial waste gas
CN106031843B (en) * 2015-03-16 2019-11-15 中国石油化工股份有限公司 The wet denitration method of industrial waste gas
CN105268293A (en) * 2015-08-07 2016-01-27 无锡桥阳机械制造有限公司 Combined desulfurization method used for metallurgical industry blast furnace flue gas
CN105854547A (en) * 2016-04-01 2016-08-17 河北科技大学 Ammonia oxidizing denitration process and reaction apparatus
CN106139850A (en) * 2016-08-26 2016-11-23 江苏中圣高科技产业有限公司 A kind of energy-efficient gas-liquid coupling oxidation sweetening denitrification apparatus
CN106139850B (en) * 2016-08-26 2020-01-14 江苏中圣高科技产业有限公司 Energy-efficient gas-liquid coupling oxidation SOx/NOx control device
CN106621755A (en) * 2017-01-11 2017-05-10 长春工业大学 Integral technology using liquid phase to jointly absorb glue gas for simultaneous desulfurizing and denitration

Similar Documents

Publication Publication Date Title
CN103272468A (en) Absorption tower for simultaneously removing sulfur dioxide and nitrogen oxide in smoke
CN201380037Y (en) Flue-gas cleaner with functions of desulphurization, denitration, concentration and crystal
JP2021094559A (en) Method for controlling generation of aerosol during absorption in ammonia desulfurization
CN104383798B (en) A kind of purification-recovery system of flue gas desulfurization and denitrification
CN103394279A (en) System device and method for deeply removing nitric oxide in industrial tail gas
CN103505999B (en) A kind of system and method for wet desulphurization denitration
CN103349902B (en) Flue gas processing method
CN102188882A (en) Integrated method for simultaneously realizing denitrification, desulfurization and heavy metal removal from flue gas, and special equipment suitable for the method
CN103933848A (en) Process and device for treating nitric oxide in tail gas generated in nitric acid and nitrate production
CN103977686A (en) Ammonia desulfurization and denitration type flue gas purification system
CN104667716A (en) Flue gas desulfurization and denitration integrated technology
CN106310943B (en) A kind of sodium sulfite desulfurization regeneration and recycling sulfur dioxide device and application
CN103585874B (en) System for desulfuration and denitration and desulfurization denitration method thereof
CN104190228B (en) A kind of composite efficient energy-saving ammonia process desulfuration tower
CN102814112A (en) Method and device for desulfurizing and denitrating jointly
CN104785082A (en) Sintered pellet flue gas absorption-desorption integration tower
CN107715670A (en) A kind of method of flue gas desulfurization collaboration denitration by-product HAS
CN201214046Y (en) Ammonia process desulphurizing device for reducing ammonia escape
CN104056538A (en) Flue gas purifying system and method with integration of desulfurization and denitrification
CN205361029U (en) Flue gas denitration desulfurization washing system
CN102151475A (en) Two-tower ammonia method desulfurization device and method
CN105056723B (en) Twin-tower type flue gas deep purification device through plasma coupling and sodium based absorption and method thereof
CN106621768A (en) Ammonia process of desulfurization integral purification device and method for acid gas sulfur recovery tail gas
CN106731557A (en) Absorbing liquid circulation utilization method and system during a kind of denitrating flue gas
CN205988656U (en) A kind of device processing caprolactam tail gas

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C05 Deemed withdrawal (patent law before 1993)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130904