CN106237814A - A kind of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant and technique thereof - Google Patents
A kind of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant and technique thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
The invention discloses a kind of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant and technique thereof, including tower body, described tower body is provided with gas approach and exhanst gas outlet, and gas approach is located on the lower sides of tower body, and exhanst gas outlet is located at the top of tower body；From including slurry pool, desulfurization layer, oxide layer, denitration layer, wet static dedusting at the bottom of tower the most successively.Flue gas is entered tower body by air inlet, sequentially passes through bottom spraying layer desulfurization, middle part oxide layer, top spraying layer denitration, wet cottrell dedusting, the flue gas of outlet can be made to reach the standard of the ultra-clean discharge of flue gas.The present invention uses ClO2As oxidizing NO, MgOH is desulfurization denitrification agent, overcome the shortcoming that tradition desulfuring and denitrifying apparatus structure is complicated, removal effect is poor, use tower top that the mode of wet cottrell is installed, achieve in same device, remove the subparticle in flue gas the most successively, can effectively prevent the formation of " gypsum rain ", improve the purification efficiency to flue gas.
Description
Technical field
The present invention relates to gas cleaning processing technology field, particularly relate to a kind of flue gas ultra-clean discharge desulphurization denitration dedusting one
Body gasifying device and technique thereof.
Background technology
China is main primary energy with coal, and the main Land use systems of current coal in China is directly burning, huge
Coal-fired capacity makes SO2、NOx, the discharge such as dust considerably beyond the self-purification ability of enviroment, cause China much areas in serious coal smoke
Type atmospheric pollution.Along with society development, people's emission control pay attention to day by day to these pollution that caused by coal burning things, by dedusting by
Step increases to desulphurization and denitration.At present, coal electricity Green Development new direction is " near-zero release ", " ultra-clean discharge ".
Along with coal-burning power plant's air pollution control technique by the dedusting in past, desulphurization and denitration single formula control, progressively to
Conventional pollution and removing heavy metal and the development of aerosol even depth integrative coordinated control technology, make atmosphere pollution realize super
Clean discharge.For " ultra-clean discharge ", power plant mainly uses efficient cooperation-removal technology, further to denitration, desulfurization, dust pelletizing system
Renovation and improving, explores the prioritization scheme of " ultra-clean discharge ": set up alloy support in using double tower Two-way Cycle, single column Two-way Cycle, tower
The skill upgrading desulfuration efficiencies such as dish reduce sulfur dioxide (SO2) emissions, by the multiple technologies such as low-NO_x combustion technology (LNB), SCR, SNCR
Reduce discharged nitrous oxides, with cold precipitator, efficient power, desulfurization tail smoke device for deep cleaning, wet electrical dust precipitator
Soot emissions are reduced etc. technology.Although this technology removing pollutant is effective, but complex process, and control condition is harsh,
Investment and operating cost are expensive, and therefore medium-high sulfur coal bad adaptability, carries out the multiple pollutant cooperation-removal technology of low energy consumption,
Realize ultra-clean discharge, the problem contributing to solving pollution that caused by coal burning environment.
At present, multiple pollutant cooperation-removal technology can be divided into the big class of dry and wet two, and dry process mainly has electricity
Sub-bundle method, activated carbon method, impulse electric corona method and CuO method etc..Wet processing has oxidation absorption process, Absorption via Chemical Complexation, reducing process etc..
Dry process denitration efficiency is low, if can transform on the basis of original wet desulfurizing process, a kind of wet method of development is same
Time desulphurization denitration new technology, substantial amounts of technological transformation and treatment cost will be saved, and there is not catalyst poisoning, inactivation etc.
Problem, has important practical significance to realizing comprehensive control pollution that caused by coal burning thing.
Flue gas, based on oxidative absorption method, is mainly first passed through strong oxidizing property ring by the technique of wet method simultaneous SO_2 and NO removal
Border, is oxidized to NO by NO2, then with alkali liquor absorption, the oxidant of employing mainly has HClO3(NaClO2)、O3、H2O2And KMnO4Deng,
Absorbing liquid is NaOH, MgOH etc..The subject matter existed is NOxOxidation efficiency low, or operating cost is high, needs the master of solution badly
Wanting problem is to manage to improve NOxOxidation efficiency, reduce system operating cost.
Invention (201510552281.6) discloses a kind of single column oxidation sweetening denitrification apparatus and desulfurization denitration method thereof, should
Invention is followed successively by absorbent pond, lower absorbent system, oxidative system, separating system and top from bottom to top along flue gas flow direction
Absorption system, removes SO2After flue gas enter oxidative system, and then removing NOx.This invention employing ozone is as oxidant, typically
In the case of, the temperature of former flue gas is higher than 100 DEG C, and at this temperature, the half-life of ozone decomposed is the shortest, NOxOxidation efficiency very
Low, the denitration efficiency directly resulting in device is relatively low.
It addition, have separating system to increase system between this system lower absorbent system, oxidative system, top absorption system
Resistance, thus increase the power consumption of blower fan, pump, make system operation cost increase.
Invention (201310128263.6) discloses a kind of flue-gas dust-removing and desulfurization denitrification integrated device, and this invention includes cigarette
Gas input channel, electrostatic fabric filter, desulphurization denitration tower, ammonia supply pump and denitrfying agent feed system etc., use described in this invention
The flue gas that effectively can produce industrial coal system carries out flue gas electric bag dust, wet-type ammonia and desulfurizing agent oxidation and denitration.
The present invention uses oxidizing gas oxidation NO, ammonia as desulphurization denitration absorbent, there is oxidation efficiency low, and denitration efficiency is low, fortune
Go costly, the technical problems such as the escaping of ammonia is big.
Invention (201410038192.5) discloses a kind of boiler flue gas desulfurization, denitration, demercuration integrated purifying equipment, should
Invention is provided with flue gas flow guiding device at gas approach, and its top is provided with demercuration denitration liquid spray equipment, and demercuration denitration liquid uses
Hydrogen peroxide, spray desulphurization denitration liquid uses magnesium oxide solution or calcium oxide solution or paper white sludge slurry.There is oxidation effect in this invention
The technical problems such as rate is low, and denitration efficiency is low, and operating cost is high.
In a word, the generating process energy consumption that current existing desulphurization denitration technology there is problems in that ozone is big, cost is high,
And the half-life of ozone decomposed is the shortest, NOxOxidation productivity the lowest, which suppress ozonation technology further genralrlization should
With；Hydrogen peroxide oxidation wet desulphurization denitration there is also the problem that oxidation efficiency is low, operating cost is high.
Summary of the invention
It is an object of the invention to provide one have floor space little, investment and operating cost is low, desulphurization denitration dedusting effect
The flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant of the advantages such as rate height, simple in construction, system are succinct and technique thereof are permissible
Realize the ultra-clean discharge of flue gas: smoke dust discharge concentration≤5mg/m3, SO2Concentration of emission≤35mg/m3And NOxConcentration of emission≤50mg/
m3。
For achieving the above object, the present invention adopts the following technical scheme that
A kind of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant, including tower body, described tower body is provided with flue gas and enters
Mouthful and exhanst gas outlet, gas approach is located on the lower sides of tower body, and exhanst gas outlet is located at the top of tower body；Upwards depend on from the bottom of tower
Secondary include slurry pool, desulfurization layer, oxide layer, denitration layer, wet static dedusting；Flue gas is entered tower body by air inlet, sequentially passes through
The desulfurization pull-up sulfur of bottom, the oxide layer oxidation at middle part, the denitration pull-up nitre on top, wet cottrell dedusting, can use
The flue gas of mouth reaches the standard of the ultra-clean discharge of flue gas.
Preferably, described tower body is the spray void tower of cylindrical structural, and described tower body inner wall anti-corrosive uses glass flake,
Inner horizontal is provided with two-layer spraying layer, and the spraying layer being wherein positioned at bottom is desulfurization layer, and superposed spraying layer is out of stock layer.
Preferably, described oxide layer uses ClO2Gas aoxidizes, and chlorine dioxide is entered by gas generator
Enter the middle part of tower body.
Preferably, described out of stock layer and desulfurization layer all use that MgOH solution is out of stock or desulfurization, and MgOH solution leads to
Cross pump to be driven in bottom slurry pond, absorption tower, then deliver to absorption tower spray equipment by circulating pump and carry out spray-absorption.
Preferably, described spraying layer is provided above demister and back purge system, and demister exiting flue gas humidity is not
More than 75mg/Nm3(butt).
Preferably, the gradient of described tower body bottom surface is not less than 5%, is provided with discharge outlet along slope aspect.
Preferably, described spraying layer is mainly by Sprayer Circulation pump, and swirl nozzle, circulating line and valve form, described
Sprayer Circulation pump be arranged in slurry pool, it is connected with the swirl nozzle being arranged in tower body by circulating line, and is following
Endless tube is provided with valve on road.
The technique of a kind of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant, comprises the following steps:
(1) flue gas is entered in tower by gas approach by flue, first passes around air-distribution device and enters bottom desulfurization layer, flue gas
Middle SO2By the washing of MgOH solution and react therewith, absorb SO therein2Rear flue gas enters oxide layer；
(2) ClO produced in oxide layer gas generator2Being fully contacted with flue gas, the NO in flue gas is oxidized to NO2, cigarette
Gas enters top denitration layer；
(3) flue gas acts on further at the MgOH solution of top spraying layer with spray, removes NO2, enter tower body top；
(4) cleaning flue gases after denitration is after demister removes droplet, and the wet static dedusting device entering top of tower removes
Dirt, flue gas enters air through chimney after reaching the standard of ultra-clean discharge.
Preferably, in described step (2), (4), described desulphurization denitration absorbing liquid is MgOH solution, the concentration of MgOH solution
Being 5～20% (mass ratio), the absorbing liquid of 70%～90% (volume) is extracted out from tower bottom and is returned in tower, and remaining passes through discharge pipe
It is directly discharged into main plant area.
Preferably, according to the change of pH value, control magnesium sulfate serosity, the discharge of magnesium nitrate serosity, magnesium hydroxide solution
Interpolation and the control to defroster cleaning apparatus.
The present invention uses ClO2It is desulfurization denitrification agent as oxidizing NO, MgOH, overcomes tradition desulphurization denitration dress
Put the shortcoming that structure is complicated, removal effect is poor, use tower top that the mode of wet cottrell is installed, it is achieved that desulphurization denitration removes
The integration of dirt, makes flue gas reach the standard of ultra-clean discharge.
Compared with prior art the invention have the characteristics that and beneficial effect:
(1) ClO is used2As oxidant, MgOH is desulfurization denitrification agent, overcomes ammonia process serious the asking of denitration the escaping of ammonia
Topic, oxidation height, removal effect is good；
(2) oxidative system is arranged between top spray system and bottom spray system, and eliminates between layers
Separating system, had both decreased ClO2Consumption improve again denitration efficiency, reduce again system pressure drop, reduce operating cost；
(3) tower top installs wet cottrell, effectively prevents the formation of " gypsum rain ", simplifies technological process, it is achieved
Desulphurization denitration is dust removal integrated.
In sum, the present invention be have that floor space is little, investment and operating cost is low, desulphurization denitration efficiency of dust collection is high,
The flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant of the advantages such as simple in construction, system are succinct and technique thereof, it is possible to achieve
The ultra-clean discharge of flue gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Wherein, 1. tower body, 2. demister, 3. wet cottrell, 4. top spraying layer, 5. in the middle part of oxide layer, 6. time
Portion's spraying layer, 7. slurry pool, 8. gas approach, 9. exhanst gas outlet.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
At present, flue gas, based on oxidative absorption method, is mainly first passed through Strong oxdiative by the technique of wet method simultaneous SO_2 and NO removal
Property environment, is oxidized to NO by NO2, then with alkali liquor absorption, the oxidant of employing mainly has HClO3(NaClO2)、O3、H2O2With
KMnO4Deng, absorbing liquid is NaOH, MgOH etc.；And the present invention is to solve NOxOxidation efficiency low, or high the asking of operating cost
Topic, by chlorine dioxide (ClO2) oxidant of the present invention the most, specific as follows:
Chlorine dioxide (ClO2) be a kind of yellow green to orange-yellow gas, be known as in the world safe and nontoxic green
Color disinfectant, has the strongest oxidisability, it be mainly used for sterilization, bleaching, deodorization, sterilization, fresh-keeping.Chlorine dioxide be with
Sodium chlorate, concentrated sulphuric acid be raw material, hydrogen peroxide or methanol be that reducing agent prepares, need to be now by existing system.Due to unstable chemcial property palpus
Matching while using, it is suppressed that it is used for the application that desulphurization denitration is industrial.Due to the progress of science and technology, chlorine dioxide generator solves
The problem that its transport is difficult, but not yet find in flue gas desulfurization and denitrification field at present to use chlorine dioxide (ClO2) as oxidant
Technology, novelty of the present invention by chlorine dioxide (ClO2) apply in the technique of desulphurization denitration, specific as follows:
The system that the flue gas desulfurization nitre technique that the present invention proposes uses is as follows:
In FIG, flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant, including tower body 1, described tower body 1 is provided with
Gas approach 8 and exhanst gas outlet 9, gas approach 8 is located on the lower sides of tower body 1, and exhanst gas outlet 9 is located at the top of tower body 1；
From including slurry pool 7, bottom spraying layer 6 (desulfurization layer), middle part oxide layer 5, top spraying layer 4 (denitration at the bottom of tower the most successively
Layer), wet static dedusting 3.Flue gas is entered tower body 1 by air inlet 8, sequentially passes through bottom spraying layer 6 (desulfurization layer) desulfurization, middle part
Oxide layer 5, top spraying layer 4 (denitration layer) denitration, wet cottrell 3 dedusting, make the flue gas of outlet reach flue gas ultra-clean
The standard of discharge.
Oxidative system is arranged between top spray system and bottom spray system, and eliminates separation between layers
System, had both decreased ClO2Consumption improve again denitration efficiency, reduce again system pressure drop, reduce operating cost；
Tower top installs wet cottrell, effectively prevents the formation of " gypsum rain ", simplifies technological process, it is achieved that de-
Sulfur denitration dust collecting integral.
Tower body 1 uses glass flake for spray void tower, column construction, absorption tower inner wall anti-corrosive, inside sets two-layer spraying layer, point
For upper and lower two spray districts.District 6, SO in flue gas is sprayed in tower lower floor2Washed by MgOH solution and react therewith, at middle part
Oxidized dose of ClO of NO in oxide layer flue gas2Oxidation, the NO in spray district, upper strata flue gas2By the washing of MgOH solution and send out therewith
Raw reaction, the magnesium sulfate of reaction generation, magnesium nitrate, it is left to tower bottom slurry pool 7, is directly discharged into main plant area by discharge pipe, its
Slurry pool 7 and the tower body 1 of bottom are overall structure；Absorption tower floor design can be emptied completely serosity, and tower bottom sloping is not less than
5%, slope aspect discharge outlet.
The oxidant of above-mentioned oxide layer is that oxidation of nitric oxide is become nitrogen dioxide by chlorine dioxide, and desulphurization denitration absorbent is
Magnesium hydroxide alkali liquor, chlorine dioxide enters the middle part of tower body by gas generator, and absorbent alkali liquor is driven into by pump
In bottom slurry pond, absorption tower, then deliver to absorption tower spray equipment by circulating pump and carry out spray-absorption.Use ClO2As oxygen
Agent, MgOH is desulfurization denitrification agent, overcomes the problem that ammonia process denitration the escaping of ammonia is serious, and oxidation height, removal effect is good；
Spraying layer is mainly by Sprayer Circulation pump, and swirl nozzle, circulating line and valve composition, circulating pump is centrifugal impeller
Pump (centrifugal without blocking), described slurry pool arranges side-feeding mixer, and effect is to make serosity keep flow regime, so that
Desulphurization denitration active substance therein keeps even suspension state, it is ensured that serosity is to SO2、NOxReaction, absorbability；Circulation pipe
Road uses high-quality FRP GRP pipe, is made up of inner liner, structure sheaf and external protection three part, and inner liner uses vinyl
Resin, inner liner and external protection, all added with wear resistant filler, reduce pipe fitting abrasion operationally, it is ensured that do not tie inside shower
Dirt.
Described tower body spraying layer is provided above demister and back purge system, and demister exiting flue gas humidity is not more than
75mg/Nm3(butt).
Described electrostatic precipitator is mainly made up of corona wire (negative electrode), receiving electrode (anode), insulated case and power supply.
The technique of a kind of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant, comprises the following steps:
(1) flue gas is entered in tower by gas approach by flue, first passes around air-distribution device and enters bottom spraying layer (desulfurization
Layer), SO in flue gas2By the washing of MgOH solution and react therewith, absorb SO therein2Rear flue gas enters oxide layer；
(2) ClO produced in oxide layer gas generator2Being fully contacted with flue gas, the NO in flue gas is oxidized to NO2, cigarette
Gas enters top spraying layer (denitration layer)；
(3) flue gas acts on further at the MgOH solution of top spraying layer with spray, removes NO2, enter tower body top；
(4) cleaning flue gases after denitration is after demister removes droplet, and the wet static dedusting device entering top of tower removes
Dirt, flue gas enters air through chimney after reaching the standard of ultra-clean discharge.
In described step (2), (4), described desulphurization denitration absorbing liquid be the concentration of MgOH, MgOH solution be 5～20% (matter
Amount ratio), the absorbing liquid of 70%～90% (volume) is extracted out from tower bottom and is returned in tower, and remaining is directly discharged into main factory by discharge pipe
District.
According to the change of pH value, control magnesium sulfate serosity, the discharge of magnesium nitrate serosity, the interpolation of magnesium hydroxide solution and
Control to defroster cleaning apparatus.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not
Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. a flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant, it is characterised in that include tower body, described tower body sets
Having gas approach and exhanst gas outlet, gas approach is located on the lower sides of tower body, and exhanst gas outlet is located at the top of tower body；From tower
The end, includes slurry pool, desulfurization layer, oxide layer, denitration layer, wet static dedusting the most successively；Flue gas is entered tower body by air inlet,
Sequentially pass through the desulfurization pull-up sulfur of bottom, the oxide layer oxidation at middle part, the denitration pull-up nitre on top, wet cottrell remove
Dirt, can make the flue gas of outlet reach the standard of the ultra-clean discharge of flue gas.
2. flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 1, it is characterised in that described tower body
For the spray void tower of cylindrical structural, described tower body inner wall anti-corrosive uses glass flake, and inner horizontal is provided with two-layer spraying layer,
The spraying layer being wherein positioned at bottom is desulfurization layer, and superposed spraying layer is out of stock layer.
3. flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 1 or 2, it is characterised in that described
Oxide layer use ClO2Gas aoxidizes, and chlorine dioxide enters the middle part of tower body by gas generator.
4. flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 3, it is characterised in that described is de-
Pin layer and desulfurization layer all use that MgOH solution is out of stock or desulfurization, and MgOH solution is driven into absorption tower bottom slurry by pump
In pond, then deliver to absorption tower spray equipment by circulating pump and carry out spray-absorption.
5. flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 4, it is characterised in that described spray
Layer is provided above demister and back purge system, and demister exiting flue gas humidity is not more than 75mg/Nm3(butt).
6. flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 1, it is characterised in that described tower
The gradient of body bottom surface is not less than 5%, is provided with discharge outlet along slope aspect.
7. flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 1, it is characterised in that described spray
Layer is mainly by Sprayer Circulation pump, and swirl nozzle, circulating line and valve composition, described Sprayer Circulation pump is arranged on slurry pool
In, it is connected with the swirl nozzle being arranged in tower body by circulating line, and is provided with valve on circulating line.
8. the technique of a flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant, it is characterised in that comprise the following steps:
(1) flue gas is entered in tower by gas approach by flue, first passes around air-distribution device and enters bottom desulfurization layer, SO in flue gas2
By the washing of MgOH solution and react therewith, absorb SO therein2Rear flue gas enters oxide layer；
(2) ClO produced in oxide layer gas generator2Being fully contacted with flue gas, the NO in flue gas is oxidized to NO2, flue gas enters
Enter top denitration layer；
(3) flue gas acts on further at the MgOH solution of top spraying layer with spray, removes NO2, enter tower body top；
(4) cleaning flue gases after denitration is after demister removes droplet, enters the wet static dedusting device dedusting of top of tower, cigarette
Gas enters air through chimney after reaching the standard of ultra-clean discharge.
9. the technique of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 8, it is characterised in that institute
Stating in step (2), (4), described desulphurization denitration absorbing liquid is MgOH solution, and the concentration of MgOH solution is 5～20% (mass ratio),
The absorbing liquid of 70%～90% (volume) is extracted out from tower bottom and is returned in tower, and remaining is directly discharged into main plant area by discharge pipe.
10. the technique of flue gas ultra-clean discharge desulphurization denitration dust removal integrated plant as claimed in claim 8, it is characterised in that
According to the change of pH value, control magnesium sulfate serosity, the discharge of magnesium nitrate serosity, the interpolation of magnesium hydroxide solution and to demister
Clean the control of device.
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| CN106975337A (en) * | 2017-04-28 | 2017-07-25 | 包训祥 | Chlorine dioxide gaseous oxidation denitration integrated device and its technique |
| CN107261782A (en) * | 2017-07-03 | 2017-10-20 | 盐城市兰丰环境工程科技有限公司 | A kind of integration desulfurization denitration reaction tower |
| CN107875824A (en) * | 2017-12-21 | 2018-04-06 | 双盾环境科技有限公司 | A kind of device of the ultra-clean processing flue gas of the dust removal integrated wet method of desulphurization denitration |
| CN107998859A (en) * | 2017-12-21 | 2018-05-08 | 双盾环境科技有限公司 | A kind of technique of the ultra-clean processing flue gas of the dust removal integrated wet method of desulphurization denitration |
| CN109126457A (en) * | 2018-09-07 | 2019-01-04 | 南通航泰船舶机械有限公司 | A kind of marine internal combustion engine tail gas desulfurization method of denitration |
| CN111408250A (en) * | 2020-03-25 | 2020-07-14 | 南京理工大学 | Desulfurization liquid and chlorine dioxide gas phase oxidation denitration integrated flue gas purification device and process |
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| CN113117482A (en) * | 2019-12-30 | 2021-07-16 | 中晶环境科技股份有限公司 | Method for desulfurization and denitrification by using gas-phase oxidant |
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| CN106975337A (en) * | 2017-04-28 | 2017-07-25 | 包训祥 | Chlorine dioxide gaseous oxidation denitration integrated device and its technique |
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| CN107998859A (en) * | 2017-12-21 | 2018-05-08 | 双盾环境科技有限公司 | A kind of technique of the ultra-clean processing flue gas of the dust removal integrated wet method of desulphurization denitration |
| CN109126457A (en) * | 2018-09-07 | 2019-01-04 | 南通航泰船舶机械有限公司 | A kind of marine internal combustion engine tail gas desulfurization method of denitration |
| CN113117482A (en) * | 2019-12-30 | 2021-07-16 | 中晶环境科技股份有限公司 | Method for desulfurization and denitrification by using gas-phase oxidant |
| CN113117486A (en) * | 2019-12-30 | 2021-07-16 | 中晶环境科技股份有限公司 | Integrated treatment method for flue gas desulfurization and denitrification and cementing material preparation |
| CN111408250A (en) * | 2020-03-25 | 2020-07-14 | 南京理工大学 | Desulfurization liquid and chlorine dioxide gas phase oxidation denitration integrated flue gas purification device and process |
| CN111495151A (en) * | 2020-04-26 | 2020-08-07 | 安徽顺达环保科技股份有限公司 | Wet electric dust removal integrated linkage control desulfurization and denitrification tower and control method thereof |
| CN114632407A (en) * | 2020-12-15 | 2022-06-17 | 中广核研究院有限公司 | Method for purifying solid waste incineration tail gas |
| CN114632407B (en) * | 2020-12-15 | 2023-06-02 | 中广核研究院有限公司 | Method for purifying solid waste incineration tail gas |
| CN112999844A (en) * | 2021-03-05 | 2021-06-22 | 合肥热电集团有限公司 | Coal-fired power plant flue gas desulfurization and denitrification integrated treatment system and method |
| CN112999844B (en) * | 2021-03-05 | 2022-07-01 | 合肥热电集团有限公司 | Coal-fired power plant flue gas desulfurization and denitrification integrated treatment system and method |
| CN113413743B (en) * | 2021-05-27 | 2022-06-14 | 浙江天蓝环保技术股份有限公司 | Wet denitration and dust removal process and equipment for recycling denitration agent |
| CN113413743A (en) * | 2021-05-27 | 2021-09-21 | 浙江天蓝环保技术股份有限公司 | Wet denitration and dust removal process and equipment for recycling denitration agent |
| CN115069083A (en) * | 2022-07-22 | 2022-09-20 | 山东保蓝环保工程有限公司 | Dust removal SOx/NOx control takes off white integrative tower |
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