CN105582803B - Boiler desulfurization method of denitration and its desulfurization and denitrification reaction stove - Google Patents
Boiler desulfurization method of denitration and its desulfurization and denitrification reaction stove Download PDFInfo
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- CN105582803B CN105582803B CN201610115925.XA CN201610115925A CN105582803B CN 105582803 B CN105582803 B CN 105582803B CN 201610115925 A CN201610115925 A CN 201610115925A CN 105582803 B CN105582803 B CN 105582803B
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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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/204—Carbon monoxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The present invention relates to coal-burning boiler desulfurization denitration method and its desulfurization and denitrification reaction stove, cooling area and reaction zone are equipped with the furnace body of reacting furnace, several swirl cylinders and baffle plate are housed in reaction zone, each swirl cylinder is equipped with low-temperature flue gas entrance, several denitrfying agent jet pipes and desulfurizer nozzle with exterior storage tank unicom are housed in reacting furnace, feed wind turbine or inlet valve are housed on material spray pipeline；The low-temperature flue gas in boiler back end ductwork is pumped into reaction zone with wind turbine and is mixed with high-temperature flue gas, denitrfying agent and desulfurizing agent are sprayed into reaction zone at the same time, the control of reaction zone flue-gas temperature is 600 750 DEG C, at such a temperature, residence time of the flue gas in reacting furnace is 0.8 1.5 seconds, nitric oxide in flue gas and carbon monoxide is set to carry out redox reaction denitration, the calcium oxide in pulverized limestone carries out reaction desulfuration with sulfur dioxide in flue gas.This method desulfurization off sulfide effect is good, not etching apparatus, free from environmental pollution, it is not necessary to handles waste water, floor space is small, can save operating cost.
Description
Technical field
The present invention relates to coal-burning boiler desulfurization denitration method and its desulfurization and denitrification reaction stove.
Background technology
At present, have been developed that multiple technologies and device are applied to the desulphurization and denitration of boiler both at home and abroad.Wherein, denitration technology
Including low-NO_x combustion technology, denitrating flue gas (SNCR) technology etc..Desulfurization technology takes off including wet desulphurization, semi-dry desulphurization, dry method
Sulphur etc., Wet Flue Gas Desulfurization Technique are the double subtractions (calcium method) or magnesia (magnesium processes) using lime slurry and sodium hydroxide solution, are passed through
Absorb, oxidation and the processing such as demisting reach desulfurization effect, shortcoming is with operating cost height, serious corrosion of equipment, waste water
Reason and secondary pollution problems；Desulfurization by dry method is carried out in burner hearth, and this method is although relatively easy, corrosion-free and nothing
Wastewater treatment.But used on Fluidized Bed Boiler, its desulfuration efficiency is low, reaction speed is slow.According to the burning feature of boiler,
There is spray pulverized limestone desulfurization technology in Boiler Furnace, this method is that solid pulverized limestone is injected directly into after burner hearth to be forged at high temperature
Calcium oxide is burnt till, is reacted with the sulfur dioxide in flue gas, so as to fulfill desulfurization is carried out in burner hearth；This method is operationally right
Controlled in reaction temperature not in place, and flue gas stops the problems such as short in burner hearth and be unable to reach perfect condition, and accordingly, there exist de-
The problem of sulphur efficiency is low.Also in that reaction temperature control is not in place, the problem of reaction time is short, nitrogen and carbon in flue gas
The reacting dose of grain is seldom, and nitrogen oxides also has little time to carry out from separation, causes the nitrogen oxidation in the flue gas of boiler tail discharge
The content of thing is higher.Nitrogen oxides is to cause one of major pollutants of atmosphere pollution, and nitrogen oxides is combined with the water in air
Nitric acid and nitrate are eventually changed into, nitric acid is one of origin cause of formation of acid rain.The present inventor only controls in invention before
The discharge of sulfureous in flue gas, this invention are the improvement in desulfurization technical foundation, and the effective denitration of energy while desulfurization, controls cigarette
The discharge of nitrogen oxides in gas.
The content of the invention
The object of the present invention is to provide a kind of boiler desulfurization method of denitration and its desulfurization and denitrification reaction stove, this method desulfurization takes off
Nitre effect is good, not etching apparatus, free from environmental pollution, it is not necessary to handles waste water, floor space is small, can save operating cost.
The technical scheme is that：Boiler desulfurization method of denitration, it is characterised in that：Comprise the following steps：
A, the high-temperature flue gas by boiler furnace discharge introduces desulfurization and denitrification reaction stove, and high-temperature flue gas first passes through in reacting furnace
The convection bank of cooling area reduces temperature to 550-735 DEG C, then proceedes to reaction zone；
B, the low-temperature flue gas in boiler back end ductwork is pumped into reaction zone with wind turbine and is mixed with high-temperature flue gas；
C, while into reaction zone spraying denitrfying agent and desulfurizing agent makes it uniformly be mixed with flue gas in reaction zone, and described is de-
Nitre agent be pulverized limestone for biomass fuel either coal dust, the desulfurizing agent, and it is 600- that the flue-gas temperature in reaction zone, which controls,
750 DEG C, at such a temperature, residence time of the flue gas in reacting furnace be 0.8-1.5 seconds, with the nitrogen oxides in flue gas, oxygen,
Carbon monoxide, the Concentration Testing data of sulfur dioxide are foundation, adjust the feeding coal of denitrfying agent and desulfurizing agent, make one in flue gas
Nitrogen oxide and carbon monoxide carry out redox reaction denitration, and the calcium oxide in pulverized limestone is reacted with sulfur dioxide in flue gas
Desulfurization.
D, preferable reaction temperature is 600-735 DEG C in boiler desulfurization method of denitration of the invention.
Use the reacting furnace of boiler desulfurization method of denitration of the present invention, it is characterised in that：The furnace body of reacting furnace is equipped with flue gas
Entrance, exhanst gas outlet, the convection heating surface of the smoke inlet and boiler furnace smoke discharging pipe unicom, the exhanst gas outlet and boiler enter
Mouth flue unicom, the furnace body of reacting furnace is interior to be equipped with cooling area and reaction zone, and cooling area is made of convection bank, is equipped with reaction zone
Several swirl cylinders and baffle plate, the entrance of each swirl cylinder is opposite with convection bank, and passes through the exhaust gases passes between convection bank
Communicated with the smoke inlet of reacting furnace, baffle plate is placed between the outlet of each swirl cylinder and reacting furnace exhanst gas outlet, baffle plate two
End is equipped with low-temperature flue gas entrance by furnace body movable supporting, each swirl cylinder, and each low-temperature flue gas entrance passes through air supply duct and boiler
Back-end ductwork unicom or with airspace unicom, wind turbine is housed on air supply duct, several denitrfying agent jet pipes are housed in reacting furnace
And desulfurizer nozzle, denitrfying agent nozzle inlet and desulfurizer nozzle import pass through material spray pipeline and exterior denitration storage tank, de-
Sulphur storage tank distinguishes unicom, and feed wind turbine or inlet valve are housed on material spray pipeline.
The outlet of denitrfying agent jet pipe and the desulfurizer nozzle can be connected with swirl cylinder, and two outlets may be alternatively provided at swirl cylinder
Outlet front.
The material spray pipeline can be with air supply duct unicom, and the feed wind turbine on material spray pipeline is on air supply duct
Wind turbine.
In reaction zone space, temperature adjustment convection heating surface can be installed, further adjust the temperature in reaction zone.
Reaction monitoring controller is housed outside the furnace body, temperature sensor is housed in furnace body, the flue gas of reacting furnace enters
Mouth, smoke outlet are equipped with boiler smoke emission detector, which includes nitrous oxides concentration detector, oxygen concentration
Detector, carbonomonoxide concentration detector, sulfur dioxide concentration detector, the signal input port of reaction monitoring controller with it is each
Temperature sensor, detector are connected by signal wire, the signal output port of reaction monitoring controller and wind turbine, feed wind turbine or
Inlet valve is connected respectively by control line.
The present invention devises suitable reaction temperature and time, is cooled down by the convection bank of cooling area, low by controlling
The air quantity of warm flue gas or cold wind further adjusts temperature, in reaction zone space, is further adjusted by temperature adjustment convection heating surface
Temperature, realizes the accurate control to design temperature；Traditional desulfurization and denitrification reaction carries out in the burner hearth of boiler, and flue gas is in stove
The residence time is short in thorax, and reacting furnace of the invention is located at outside burner hearth, thus extends the stroke of flue gas, fully reaction is had enough
Time, the reaction time can pass through the volume of reacting furnace design realize.Nitric oxide in flue gas is aoxidized with carbon monoxide
Reduction reaction, when detecting that carbon monoxide is inadequate, the present invention sprays biomass fuel either coal dust into reaction zone, mends
Filling carbonaceous material can react fully progress；Because the oxyphie ability of carbon is more than the oxyphie ability of nitrogen, so, work as carbon monoxide
When being reacted with nitric oxide, since the oxyphie ability of carbon is better than nitrogen, so that carbon monoxide strives nitric oxide production oxygen, become two
Carbonoxide, the oxygen in nitric oxide, which separates out, becomes nitrogen, and final product is carbon dioxide and nitrogen.Being realized with this reduces nitrogen oxygen
The purpose of compound.And desulfurization technology is then to be sprayed into using pulverized limestone in reaction zone, two in calcium oxide and flue gas in pulverized limestone
Sulfur oxide is sufficiently mixed and is reacted, and ultimately generates powdery calcium sulfate, can be recycled and free from environmental pollution.This hair
It is bright to be provided with swirl cylinder, baffle plate in reacting furnace, the flue gas, denitrfying agent, desulfurizing agent of different temperatures can be made through swirl cylinder, baffle plate
Can quickly it be uniformly mixed, for fully reaction provider's note part；The reaction monitoring controller of the present invention can monitor in real time instead
The state of each tested item in stove is answered, and energy on-line tuning air quantity, doses are analyzed through computer.The present invention is to Denitration in Boiler, desulfurization
Effect has exceeded national standard, after testing desulfurization >=98%, denitration >=85%, and with inventive desulfurization, denitration not etching apparatus,
Waste water need not be handled, floor space is small, therefore can reduce operating cost.
Brief description of the drawings
Fig. 1 is the structure diagram of boiler desulfurization denitration reaction stove of the present invention.
1 denitrfying agent storage tank, 2 wind turbines, 3 air supply ducts, 4 temperature sensors, 5 emission detectors, 6 boiler furnaces in figure
Smoke discharging pipe, 7 convection banks, the convection heating surface gas approach of 8 boilers, 9 baffle plates, 10 temperature adjustment convection heating surfaces, 11 eddy flows
Cylinder, 12 desulfurizer nozzles, 13 denitrfying agent jet pipes, 14 low-temperature flue gas entrances, 15 reaction monitoring controllers, 16 inlet valves, 17 feeds
Wind turbine, 18 material spray pipelines, 19 desulfurizing agent storage tanks.
Embodiment
The invention belongs to coal-burning boiler desulphurization denitration technology.The present invention is pot near boiler furnace or adjacent with burner hearth
One group or two groups of desulfurization and denitrification reaction stoves are set outside stove, it is the smoke inlet of reacting furnace and 6 unicom of boiler furnace smoke discharging pipe, anti-
Answer the exhanst gas outlet of stove and 8 unicom of convection heating surface gas approach of boiler.Cooling area and reaction are equipped with the furnace body of reacting furnace
Area, cooling area are made of convection bank 7, are heated in reaction zone equipped with multiple swirl cylinders 11 arranged side by side, baffle plate 9, temperature adjustment convection current
Face 10.The arrival end of each swirl cylinder is opposite with convection bank, and passes through the exhaust gases passes and the flue gas of reacting furnace between convection bank
Entrance communicates.Baffle plate 9 is in the space between the outlet of each swirl cylinder and reacting furnace exhanst gas outlet, and baffle plate both ends are by stove
Body movable supporting, each swirl cylinder are equipped with low-temperature flue gas entrance 14, and each low-temperature flue gas entrance passes through air supply duct 3 and boiler tail
Flue unicom or with airspace unicom, wind turbine 2 is housed on air supply duct, which is roots blower or other blowing devices.
Multiple denitrfying agent jet pipes 13 and desulfurizer nozzle 12 are housed, denitrfying agent jet pipe and desulfurizer nozzle are distinguished with swirl cylinder in reacting furnace
Connection, may be alternatively provided at swirl cylinder outlet front, 13 import of denitrfying agent jet pipe and 12 import of desulfurizer nozzle pass through material spray pipeline 18
Distinguish unicom with exterior denitrfying agent storage tank 1, desulfurizing agent storage tank 19, feed wind turbine 17 is housed on material spray pipeline.Material spray pipeline
Also the wind turbine on air supply duct can be shared with air supply duct unicom, inlet valve 16 is installed on material spray pipeline and controls feeding coal.
The temperature adjustment convection heating surface 10 being arranged in reaction zone space, can further adjust reaction zone temperature.It is arranged in reacting furnace
Swirl cylinder 11, can promote the chemical substance that the various participations in flue gas are reacted to be sufficiently mixed.It is particularly advantageous to carbon monoxide and
Nitric oxide production further redox reaction, reduces the concentration of oxygen in reacting furnace, is reduced to nitrogen oxides and provides chemistry
React required field.Simultaneously because the effect of eddy flow, is also beneficial to the mixing of pulverized limestone and sulfur dioxide in field, make to be sprayed into
Calcium powder in stove can play one's part to the full, and be not only able to improve desulfuration efficiency, but also can save calcium powder raw material, Jin Erjie
About investment and operating cost.The baffle plate in reacting furnace is arranged in by motor-driven rotation, baffle plate is similar to shutter, adjusts
Whole baffle plate angle can change airflow direction, the temperature at each position is reached unanimity, and be sufficiently mixed each component in flue gas.This hair
It is bright that reaction monitoring controller 15 is equipped with outside furnace body, temperature sensor 4 is housed in furnace body, in smoke inlet, smoke outlet
Equipped with boiler smoke emission detector 5, which includes nitrous oxides concentration detector, oxygen concentration detecting instrument, an oxygen
Change concentration of carbon detector, sulfur dioxide concentration detector, the signal input port of reaction monitoring controller and each temperature sensor,
Detector is connected by signal wire, and signal output port and wind turbine, feed wind turbine or the inlet valve of reaction monitoring controller pass through
Control line connects respectively.Reaction monitoring controller can detect the temperature in control reacting furnace, and it is dense to detect nitrogen oxides in reacting furnace
Degree, oxygen concentration, carbonomonoxide concentration, sulfur dioxide concentration, and then control denitrfying agent and doctor solution consumption.
Method with reacting furnace desulphurization denitration of the present invention is：The high-temperature flue gas of boiler furnace discharge is introduced into reacting furnace, it is high
Warm flue gas, which first passes through convection bank, reduces temperature to 550-735 DEG C, then proceedes to reaction zone；With wind turbine by low-temperature flue gas or outside
Air is pumped into swirl cylinder and is mixed with high-temperature flue gas, further adjusts temperature.While with feed wind turbine or send low-temperature flue gas
Wind turbine sprays denitrfying agent and desulfurizing agent to reaction zone makes it uniformly be mixed with flue gas.The present embodiment is that denitration is sprayed into swirl cylinder
Agent and desulfurizing agent, the denitrfying agent are biomass fuel either coal dust, and the desulfurizing agent is pulverized limestone.In pulverized limestone
Calcium oxide and sulfur dioxide in flue gas carry out reaction desulfuration, and the carbon monoxide and carbonaceous material in flue gas carry out oxygen with nitric oxide
Change reduction reaction denitration.Flue-gas temperature control is 600-750 DEG C, and preferable reaction temperature is 600-735 DEG C.At such a temperature,
Residence time of the flue gas in reacting furnace is 0.8-1.5 seconds, and present invention reaction monitoring controller can be monitored in real time in reacting furnace
Temperature, nitrogen oxides, oxygen, carbon monoxide, the concentration of sulfur dioxide, and analyze through computer, control, realize to design
Temperature, time and reactant accurate control.Desulfurization product is finally calcium sulfate dust, and denitration product is carbon dioxide and nitrogen
Gas.They are discharged in lower step processing routine with convection heating surface of the flue gas through boiler, and calcium sulfate dust is intercepted simultaneously by deduster
Processing, and carbon dioxide and nitrogen are discharged in air with chimney.
Claims (1)
- A kind of 1. boiler desulfurization denitration reaction stove, it is characterised in that：The furnace body of reacting furnace is equipped with smoke inlet, exhanst gas outlet, The smoke inlet and the convection heating surface gas approach unicom of boiler furnace smoke discharging pipe unicom, the exhanst gas outlet and boiler, instead Answer in the furnace body of stove and be equipped with cooling area and reaction zone, cooling area is made of convection bank, and high-temperature flue gas first passes through pair of cooling area It is 550 DEG C that flowing bundle, which reduces temperature, several swirl cylinders and baffle plate, the entrance and convection tube of each swirl cylinder are housed in reaction zone Beam is opposite, and is communicated by the exhaust gases passes between convection bank with the smoke inlet of reacting furnace, and baffle plate is placed in each swirl cylinder Between outlet and reacting furnace exhanst gas outlet, baffle plate both ends are equipped with low-temperature flue gas entrance by furnace body movable supporting, each swirl cylinder, Each low-temperature flue gas entrance by air supply duct and boiler back end ductwork unicom or with airspace unicom, wind is housed on air supply duct Machine, reacting furnace is interior to be equipped with several denitrfying agent jet pipes and desulfurizer nozzle, and denitrfying agent nozzle inlet and desulfurizer nozzle import are led to Material spray pipeline and exterior denitration storage tank, desulfurization storage tank difference unicom are crossed, feed wind turbine or inlet valve are housed on material spray pipeline, The outlet of the denitrfying agent jet pipe and desulfurizer nozzle is connected with swirl cylinder, in reaction zone space, is provided with temperature adjustment convection current Heating surface, the flue-gas temperature control in reaction zone is 735 DEG C, and residence time of the flue gas in reacting furnace is 0.8-1.5 seconds, described Furnace body outside reaction monitoring controller be housed, furnace body is interior to be equipped with temperature sensor, smoke inlet, the smoke outlet of reacting furnace Equipped with boiler smoke emission detector, the signal input port of reaction monitoring controller and each temperature sensor, each detector Connected by signal wire, signal output port and wind turbine, feed wind turbine or the inlet valve of reaction monitoring controller pass through control line Connect respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610115925.XA CN105582803B (en) | 2016-03-01 | 2016-03-01 | Boiler desulfurization method of denitration and its desulfurization and denitrification reaction stove |
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| CN201610115925.XA CN105582803B (en) | 2016-03-01 | 2016-03-01 | Boiler desulfurization method of denitration and its desulfurization and denitrification reaction stove |
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| CN105582803A CN105582803A (en) | 2016-05-18 |
| CN105582803B true CN105582803B (en) | 2018-05-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620078B (en) * | 2018-05-09 | 2022-01-04 | 淄博鹏达环保科技有限公司 | Catalyst, preparation method of catalyst and method for denitration of coal combustion high-temperature flue gas |
| CN108434985A (en) * | 2018-05-15 | 2018-08-24 | 王研 | The method of coal combustion high-temperature flue gas denitration |
| CN108636113A (en) * | 2018-07-06 | 2018-10-12 | 王研 | A kind of method of coal combustion flue gas high temperature denitration |
| CN111495140A (en) * | 2020-04-28 | 2020-08-07 | 江苏宝辰环保科技有限公司 | Integrated flue gas desulfurization and denitrification reaction device and process |
| CN111686560A (en) * | 2020-07-17 | 2020-09-22 | 苏州中环建科环境科技有限公司 | Sintering machine head smoke whitening technology |
| CN117563397B (en) * | 2023-11-28 | 2024-04-19 | 河北隆康玻璃钢有限公司 | Desulfurizing tower for producing glass fiber reinforced plastic by ammonia desulfurization |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230960A (en) * | 1990-01-12 | 1993-07-27 | Gun Ei Chemical Industry Co., Ltd. | Activated carbon fiber structure and process for producing the same |
| CN2354639Y (en) * | 1997-12-10 | 1999-12-22 | 董超宇 | Column for purifying exhaust gas of animal excrement drying furnace |
| CN2599407Y (en) * | 2003-01-24 | 2004-01-14 | 林培陆 | Desulfurizing dust remover by wet method |
| CN103307621A (en) * | 2013-05-06 | 2013-09-18 | 清华大学 | Pulverized coal fired boiler system and method with function of simultaneously removing multiple pollutants |
| CN103480270A (en) * | 2013-09-13 | 2014-01-01 | 北京矿迪科技有限公司 | High-temperature flue gas treatment system based on biomass desulfurization and denitrification agents |
| CN104785095A (en) * | 2015-04-20 | 2015-07-22 | 靳新令 | High-temperature desulphurization method and desulphurization device of industrial boiler |
-
2016
- 2016-03-01 CN CN201610115925.XA patent/CN105582803B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230960A (en) * | 1990-01-12 | 1993-07-27 | Gun Ei Chemical Industry Co., Ltd. | Activated carbon fiber structure and process for producing the same |
| CN2354639Y (en) * | 1997-12-10 | 1999-12-22 | 董超宇 | Column for purifying exhaust gas of animal excrement drying furnace |
| CN2599407Y (en) * | 2003-01-24 | 2004-01-14 | 林培陆 | Desulfurizing dust remover by wet method |
| CN103307621A (en) * | 2013-05-06 | 2013-09-18 | 清华大学 | Pulverized coal fired boiler system and method with function of simultaneously removing multiple pollutants |
| CN103480270A (en) * | 2013-09-13 | 2014-01-01 | 北京矿迪科技有限公司 | High-temperature flue gas treatment system based on biomass desulfurization and denitrification agents |
| CN104785095A (en) * | 2015-04-20 | 2015-07-22 | 靳新令 | High-temperature desulphurization method and desulphurization device of industrial boiler |
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