CN105771592A - Desulfurization and denitrification system - Google Patents

Desulfurization and denitrification system Download PDF

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Publication number
CN105771592A
CN105771592A CN201610097095.2A CN201610097095A CN105771592A CN 105771592 A CN105771592 A CN 105771592A CN 201610097095 A CN201610097095 A CN 201610097095A CN 105771592 A CN105771592 A CN 105771592A
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spraying layer
cycle liquid
layer
primary cycle
desulfurization
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CN201610097095.2A
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Chinese (zh)
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CN105771592B (en
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张波
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张波
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Priority to CN201610097095.2A priority Critical patent/CN105771592B/en
Priority to CN201310634675.7A priority patent/CN103585874B/en
Publication of CN105771592A publication Critical patent/CN105771592A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/60Simultaneously removing sulfur oxides and nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/96Regeneration, reactivation or recycling of reactants
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/24Sulfates of ammonium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/24Sulfates of ammonium
    • C01C1/245Preparation from compounds containing nitrogen and sulfur
    • C01C1/246Preparation from compounds containing nitrogen and sulfur from sulfur-containing ammonium compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/402Dinitrogen oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/404Nitrogen oxides other than dinitrogen oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/12Methods and means for introducing reactants
    • B01D2259/124Liquid reactants
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/10Capture or disposal of greenhouse gases of nitrous oxide (N2O)

Abstract

The invention discloses a desulfurization and denitrification system.The desulfurization and denitrification system comprises a tower, the lower portion of the tower is provided with a flue gas inlet, an oxidation section is arranged at the position, corresponding to the position under the flue gas inlet, in the tower, and a concentration section, an absorption section, a purifying and washing section and a demisting section are sequentially arranged at the positions, corresponding to the position over the flue gas inlet, in the tower from bottom to top.The invention further discloses a desulfurization and denitrification method of the desulfurization and denitrification system.The desulfurization and denitrification system has the advantages that the structural design is ingenious and reasonable, the high operation cost problem is effectively solved, the technology is stable, absorption and concentration crystallization are integrally operated, no waste liquid is drained, ammonia escape exhaust is limited, and the ammonia escape and aerosol problems are thoroughly solved.According to the desulfurization and denitrification method, the technological steps are simple, not only are the desulfurization and denitrification effects achieved, but also the advantages of being high in desulfurization and denitrification efficiency, economical to energy, environmentally friendly, low in cost and safe and stable in operation are achieved, waste materials can be changed into things of value, and an important direction for future environment-friendly desulfurization development is achieved.

Description

A kind of system for desulfuration and denitration

The application is the applying date be the application number that December in 2013 is submitted on the 3rd is 201310634675.7, and denomination of invention is the divisional application of the Chinese invention patent application of system for desulfuration and denitration and desulfurization denitration method thereof.

Technical field

The invention belongs to desulphurization denitration technical field, be specifically related to a kind of system for desulfuration and denitration and desulfurization denitration method thereof.

Background technology

The outer widely used desulfurization and denitrification integral technology of Now Domestic is mainly wet flue gas desulfurization and SCR or SNCR technology denitration combination.What wet flue gas desulfurization was conventional is the calcium method adopting Calx or limestone, and desulfuration efficiency is up to 90%, and its shortcoming is that engineering is huge, and initial cost and operating cost are high, and easily form secondary pollution.When selective-catalytic-reduction denitrified reaction temperature is 250~450 DEG C, denitration rate is up to 70%~90%.This technology maturation is reliable, and especially developed country is widely used in the world at present, but this technological equipment investment is big, needs the pre-heat treatment flue gas, expensive catalyst and service life short, there is the problems such as NH_3 leakage, equipment is perishable simultaneously.SNCR temperature province is 870~1200 DEG C, and denitration rate is less than 50%.Shortcoming is that technological equipment investment is big, needs the pre-heat treatment flue gas, the problems such as equipment is perishable.And complex process, cost is high, and operation easier is big, it is difficult to wide popularization and application.

Summary of the invention

For above-mentioned deficiency, present invention aim at, it is provided that a kind of smart structural design, rationally, operating cost is low, not only realizes the effect of desulfurization and denitration, also the system for desulfuration and denitration of restriction the escaping of ammonia discharge;

The object of the invention also resides in, it is provided that the desulfurization denitration method of a kind of above-mentioned system for desulfuration and denitration, and the processing step of the method is simple and easy, not only realizes the effect of desulfurization and denitration, the problem also solving the escaping of ammonia, and efficiency is high, and energy-conserving and environment-protective, cost is low.

For achieving the above object, technical scheme provided by the present invention is:

A kind of system for desulfuration and denitration, it includes a tower body, the bottom of described tower body is provided with gas approach, the lower position of corresponding gas approach is provided with oxidation panel in described tower body, and the top position of corresponding gas approach is sequentially provided with enriching section, absorber portion, purification washing section by order from the bottom to top in described tower body and removes mist section.

As a modification of the present invention, described oxidation panel includes the oxidation air distributor, gas-liquid distributor and the dividing plate that set gradually by order from the bottom to top.

As a modification of the present invention, described enriching section includes the accident cooling spraying layer, secondary cycle liquid spraying layer and the primary cycle liquid hydrops groove that set gradually by order from the bottom to top, and this primary cycle liquid hydrops groove is connected with the pipeline of described secondary cycle liquid spraying layer.

As a modification of the present invention, described absorber portion includes the primary cycle liquid spraying layer one, primary cycle liquid spraying layer two, packing material absorbing layer and the primary cycle liquid spraying layer three that set gradually by order from the bottom to top.

As a modification of the present invention, described purification washing section includes the Water spray layer, recirculated water spraying layer one, packing material absorbing layer and the recirculated water spraying layer two that set gradually by order from the bottom to top.

As a modification of the present invention, described include the demister one and the demister two that set gradually by order from the bottom to top except mist section.

A kind of desulfurization denitration method of above-mentioned system for desulfuration and denitration, it comprises the following steps:

(1) oxidation air enters in tower body through the bottom of tower body, and the gas-liquid distribution of oxidized section and equilibrium aoxidize, and the ammonium sulfite solution of absorber portion is fully oxidized to ammonium sulfate;

(2) ammonium sulfate squeezes into enriching section by the secondary cycle pump on secondary cycle liquid spraying layer, injection down it is distributed from the top of enriching section, make that the high-temperature flue gas come in from gas approach is reverse with ammonium sulfate to be contacted, moisture is evaporated, thus the density increasing ammonium sulfate reaches saturated and forms crystallization, saturated solution enters primary cycle liquid hydrops groove, the cyclone of rear sulfur ammonium system is squeezed into by the crystallization pump of this primary cycle liquid hydrops groove, enter back into thickener, enter centrifuge from thickener to separate, it is then refluxed for primary cycle liquid hydrops groove, being connected with secondary cycle liquid spraying layer of primary cycle liquid hydrops groove, clear liquid can overflow to secondary cycle liquid spray and carry out cyclic;

(3) absorber portion absorbs SO2With the ammonia that absorption portion is escaped, adding ammonia with bottom ammonium sulfite solution first absorbs SO simultaneously2Mix with ammonium sulfate again, flow into the enriching section circulation that molten formation is complete altogether and absorption;

(4) purify washing section and the escape ammonia in flue gas is carried out absorption process;

(5) except flue gas is carried out removing mist by mist section.

As a modification of the present invention, after the oxidized air sparger of oxidation air, carry out comprehensive balanced oxidation then through three layers gas-liquid distributor, so that the ammonium sulfite solution of absorber portion is fully oxidized to ammonium sulfate.

As a modification of the present invention, the primary cycle liquid spraying layer one in described absorber portion is fixed ammonification absorbed layer, for efficient absorption SO2;Primary cycle liquid spraying layer two and packing material absorbing layer are used for preventing the escaping of ammonia and absorbing SO2;Primary cycle liquid spraying layer three is used for preventing the escaping of ammonia.

As a modification of the present invention, described purification washing section adopts scrubbing water that the escape ammonia in flue gas carries out absorption thoroughly and processes.

nullThe invention have the benefit that system for desulfuration and denitration smart structural design provided by the invention、Rationally,Each function system is integrated and becames one,There are five set functions simultaneously,Coordinate the big system (process recycled water of technique seven、Ammonia、Oxidation、Absorb、Concentration、Thiamine finished product system、Demister system),Define the system for desulfuration and denitration of complete set,Efficiently solve the problem that operating cost is high,And process stabilizing,Absorb、Condensing crystallizing overall operation,Without any discharging of waste liquid,Restriction the escaping of ammonia discharge,Thoroughly solve the escaping of ammonia and aerosol problem,The import smog discharge temperature of 130-150 degree can be fallen below less than 35 degree,Flue-gas temperature is utilized to become finished product,Not only save water resource,Also overcome the discharge of the trickle thing of micronic dust PM2.5,Greatly reduce operating cost,Namely ensure that environment protecting,Turn waste into wealth again.Desulfurization denitration method provided by the invention, processing step is simple and easy, not only realizes the effect of desulfurization and denitration, the problem also solving the escaping of ammonia, and denitrification efficiency is high, energy-conserving and environment-protective, cost is low, the feature of operation safety and stability, can realize turning waste into wealth, and is the emphasis direction of environment protection desulphurization development from now on.

Below in conjunction with drawings and Examples, the invention will be further described.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention.

Detailed description of the invention

Embodiment, referring to Fig. 1, a kind of system for desulfuration and denitration that the present embodiment provides, it includes a tower body 1, the bottom of described tower body 1 is provided with gas approach, the lower position of corresponding gas approach is provided with oxidation panel 2 in described tower body 1, and the top position of corresponding gas approach is sequentially provided with enriching section 3, absorber portion 4 by order from the bottom to top in described tower body 1, purifies washing section 5 and except mist section 6.

Described oxidation panel 2 includes the oxidation air distributor 21, gas-liquid distributor 22 and the dividing plate 23 that set gradually by order from the bottom to top.

Described enriching section 3 includes the accident cooling spraying layer 31, secondary cycle liquid spraying layer 32 and the primary cycle liquid hydrops groove 33 that set gradually by order from the bottom to top, and this primary cycle liquid hydrops groove 33 is connected with the pipeline of described secondary cycle liquid spraying layer 32.

Described absorber portion 4 includes the primary cycle liquid spraying layer 1, primary cycle liquid spraying layer 2 42, packing material absorbing layer 43 and the primary cycle liquid spraying layer 3 44 that set gradually by order from the bottom to top.Packing material absorbing layer 43 not only prevents the escaping of ammonia but also air-liquid can be made again uniform, makes absorption reaction more abundant.

Described purification washing section 5 includes the Water spray layer 51, recirculated water spraying layer 1, packing material absorbing layer 53 and the recirculated water spraying layer 2 54 that set gradually by order from the bottom to top.

Described include the demister one and the demister two that set gradually by order from the bottom to top except mist section 6.

nullSystem for desulfuration and denitration smart structural design provided by the invention、Rationally,Overall for ammonia method desulfurizing system is combined in one,There are five set functions simultaneously,Coordinate the big system (process recycled water of technique seven、Ammonia、Oxidation、Absorb、Concentration、Thiamine finished product system、Demister system),Define the system for desulfuration and denitration of complete set,Efficiently solve the problem that operating cost is high,And process stabilizing,Absorb、Condensing crystallizing overall operation,Without any discharging of waste liquid,Restriction the escaping of ammonia discharge,Thoroughly solve the escaping of ammonia and aerosol problem,The import smog discharge temperature of 130-150 degree can be fallen below less than 35 degree,Flue-gas temperature is utilized to become finished product,Not only save water resource,Also overcome the discharge of the trickle thing of micronic dust PM2.5,Greatly reduce operating cost,Namely ensure that environment protecting,Turn waste into wealth again.

A kind of desulfurization denitration method of above-mentioned system for desulfuration and denitration, it comprises the following steps:

(1) oxidation air enters in tower body 1 through the bottom of tower body 1, and the gas-liquid distribution of oxidized section 2 and equilibrium aoxidize, and the ammonium sulfite solution of absorber portion 4 is fully oxidized to ammonium sulfate;Concrete, after the oxidized air sparger 21 of oxidation air, carry out comprehensive balanced oxidation then through three layers gas-liquid distributor 22, be fully oxidized to ammonium sulfate with the ammonium sulfite solution by absorber portion 4.Its oxidation efficiency is by reasonable layout after calculating design, it is possible to reach more than 99.8%.

(2) ammonium sulfate squeezes into enriching section 3 by the secondary cycle pump on secondary cycle liquid spraying layer 32, injection down it is distributed from the top of enriching section 3, make that the high-temperature flue gas come in from gas approach is reverse with ammonium sulfate to be contacted, moisture is evaporated, thus the density increasing ammonium sulfate reaches saturated and forms crystallization, saturated solution enters primary cycle liquid hydrops groove 33, the cyclone of rear sulfur ammonium system is squeezed into by the crystallization pump of this primary cycle liquid hydrops groove 33, enter back into thickener, enter centrifuge from thickener to separate, it is then refluxed for primary cycle liquid hydrops groove 33, being connected with secondary cycle liquid spraying layer 32 of primary cycle liquid hydrops groove 33, clear liquid can overflow to secondary cycle liquid spray and carry out cyclic, can successfully solve crystallisation problems, easily the blocking and wash away of shower nozzle, discharging problem.

(3) absorber portion 4 absorbs SO2With the ammonia that absorption portion is escaped, adding ammonia with bottom ammonium sulfite solution first absorbs SO simultaneously2Mix with ammonium sulfate again, flow into enriching section 3 circulation that molten formation is complete altogether and absorption;By the SO in flue gas2、NO2Carry out quick absorption reaction and generate NH4NO3(NH4)2SO4, thus reaching the purpose of desulphurization denitration;Primary cycle liquid spraying layer 1 in wherein said absorber portion 4 is fixed ammonification absorbed layer, for efficient absorption SO2;This fixed ammonification absorbed layer is independent ammonification absorption cycle system, has efficient absorption feature;Primary cycle liquid spraying layer 2 42 and packing material absorbing layer 43 are used for preventing the escaping of ammonia and absorbing SO2;Primary cycle liquid spraying layer 3 44 is used for preventing the escaping of ammonia.Increase primary cycle liquid spraying layer 2 42 and primary cycle liquid spraying layer 3 44, control flexibly can passed through, it is achieved absorb the purpose controlling and reducing operating cost.The liquid-gas ratio adjustable when production needs decrement, primary cycle liquid spraying layer 2 42 He or primary cycle liquid spraying layer 3 44 it is automatically switched off with electric control valve, keep the spray injection of primary cycle liquid spraying layer 1, reach vapor liquid equilibrium so as to fully absorb in effective depth.So reduce power consumption by the control of frequency conversion, effectively control the escaping of ammonia when not impact effect.

(4) purify washing section 5 and the escape ammonia in flue gas is carried out absorption process;Concrete, described purification washing section 5 adopts scrubbing water that the escape ammonia in flue gas carries out absorption thoroughly and processes.

(5) except flue gas is carried out removing mist by mist section 6.Adopt the structural design of double-deck demister, namely include demister one and demister two, be greatly promoted except fog effect.Demister one and demister two spray with high pressure punching when hydro-peening.

Desulfurization denitration method provided by the invention, processing step is simple and easy, not only realizes the effect of desulfurization and denitration, the problem also solving the escaping of ammonia, and denitrification efficiency is high, energy-conserving and environment-protective, cost is low, the feature of operation safety and stability, can realize turning waste into wealth, and is the emphasis direction of environment protection desulphurization development from now on.

Concrete, present invention have the advantage that

1, the integration of each function system will be became one, there are five set functions simultaneously, coordinate the big system of technique seven (process recycled water, ammonia, oxidation, absorption, concentration, thiamine finished product system, demister system), define the system for desulfuration and denitration of complete set.

2, the problem that operating cost is high is solved.Process stabilizing, absorption, condensing crystallizing overall operation, without any discharging of waste liquid, restriction the escaping of ammonia discharge.

3, the escaping of ammonia and aerosol problem are thoroughly solved.

4, the purpose achieve the treatment of wastes with processes of wastes against one another, turning waste into wealth.

5, can effectively control operation cost, to power consumption, water consumption, ammonia consumption, can conservative control, effectively reduce cost.

6, the qualified discharge of PM2.5 is thoroughly achieved.

7, the import smog discharge temperature of 130-150 degree falls below less than 35 degree, flue-gas temperature is utilized to become finished product, save water resource, overcome the discharge of the trickle thing of micronic dust PM2.5, greatly reduce operating cost, namely ensure that environment protecting, turn waste into wealth again, be the emphasis direction of environment protection desulphurization development from now on.

The announcement of book and instruction according to the above description, above-mentioned embodiment can also be modified and revise by those skilled in the art in the invention.Therefore, the invention is not limited in detailed description of the invention disclosed and described above, should also be as some modifications and changes of the present invention falling in the scope of the claims of the present invention.Although additionally, employ some specific terms in this specification, but these terms are intended merely to convenient explanation, and the present invention does not constitute any restriction.As described in the above embodiment the present invention, same or analog structure is adopted and other system and method for obtaining, all in scope.

Claims (1)

1. a system for desulfuration and denitration, it includes a tower body, it is characterized in that, the bottom of described tower body is provided with gas approach, the lower position of corresponding gas approach is provided with oxidation panel in described tower body, answers the top position of gas approach be sequentially provided with enriching section, absorber portion, purification washing section by order from the bottom to top in described tower body and remove mist section;Described oxidation panel includes the oxidation air distributor, gas-liquid distributor and the dividing plate that set gradually by order from the bottom to top;Described enriching section includes the accident cooling spraying layer, secondary cycle liquid spraying layer and the primary cycle liquid hydrops groove that set gradually by order from the bottom to top, and this primary cycle liquid hydrops groove is connected with the pipeline of described secondary cycle liquid spraying layer.Described absorber portion includes the primary cycle liquid spraying layer one, primary cycle liquid spraying layer two, packing material absorbing layer and the primary cycle liquid spraying layer three that set gradually by order from the bottom to top, wherein said primary cycle liquid spraying layer one is fixed ammonification absorbed layer, for efficient absorption SO2, this fixed ammonification absorbed layer is that independent ammonification absorption cycle system, primary cycle liquid spraying layer two and packing material absorbing layer are used for preventing the escaping of ammonia and absorbing SO2, primary cycle liquid spraying layer three is used for preventing ammonia from escaping choosing.The liquid-gas ratio adjustable when production needs decrement, with electric control valve be automatically switched off primary cycle liquid spraying layer two and or primary cycle liquid spraying layer three, keep the spray injection of primary cycle liquid spraying layer one, reach vapor liquid equilibrium so as to fully absorb in effective depth;Described purification washing section includes the Water spray layer, recirculated water spraying layer one, packing material absorbing layer and the recirculated water spraying layer two that set gradually by order from the bottom to top.
CN201610097095.2A 2013-12-03 2013-12-03 A kind of system for desulfuration and denitration CN105771592B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610097095.2A CN105771592B (en) 2013-12-03 2013-12-03 A kind of system for desulfuration and denitration
CN201310634675.7A CN103585874B (en) 2013-12-03 2013-12-03 System for desulfuration and denitration and desulfurization denitration method thereof

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Application Number Priority Date Filing Date Title
CN201610097095.2A CN105771592B (en) 2013-12-03 2013-12-03 A kind of system for desulfuration and denitration

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100428979C (en) * 2005-06-28 2008-10-29 江苏世纪江南环保有限公司 Ammonia desulfurizing process and apparatus with crystallization inside tower
CN201380037Y (en) * 2009-01-23 2010-01-13 江苏新世纪江南环保有限公司 Flue-gas cleaner with functions of desulphurization, denitration, concentration and crystal
CN201959716U (en) * 2011-01-20 2011-09-07 上海弗卡斯环保工程有限公司 Combination ammonia desulfurization tower
CN102872696A (en) * 2012-09-17 2013-01-16 江苏和亿昌环保工程科技有限公司 Desulfurization system capable of efficiently catching aerosol in desulfurized clean flue gas
CN202725003U (en) * 2012-06-28 2013-02-13 北京中科创新园环境技术有限公司 Compound type multifunctional ammonia desulphurization device
WO2013024329A1 (en) * 2011-08-12 2013-02-21 Alstom Technology Ltd A method for monitoring a cleaning of a process gas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100428979C (en) * 2005-06-28 2008-10-29 江苏世纪江南环保有限公司 Ammonia desulfurizing process and apparatus with crystallization inside tower
CN201380037Y (en) * 2009-01-23 2010-01-13 江苏新世纪江南环保有限公司 Flue-gas cleaner with functions of desulphurization, denitration, concentration and crystal
CN201959716U (en) * 2011-01-20 2011-09-07 上海弗卡斯环保工程有限公司 Combination ammonia desulfurization tower
WO2013024329A1 (en) * 2011-08-12 2013-02-21 Alstom Technology Ltd A method for monitoring a cleaning of a process gas
CN202725003U (en) * 2012-06-28 2013-02-13 北京中科创新园环境技术有限公司 Compound type multifunctional ammonia desulphurization device
CN102872696A (en) * 2012-09-17 2013-01-16 江苏和亿昌环保工程科技有限公司 Desulfurization system capable of efficiently catching aerosol in desulfurized clean flue gas

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