CN105582803A - Desulfurization and denitrification method in boiler and desulfurization and denitrification reaction furnace thereof - Google Patents
Desulfurization and denitrification method in boiler and desulfurization and denitrification reaction furnace thereof Download PDFInfo
- Publication number
- CN105582803A CN105582803A CN201610115925.XA CN201610115925A CN105582803A CN 105582803 A CN105582803 A CN 105582803A CN 201610115925 A CN201610115925 A CN 201610115925A CN 105582803 A CN105582803 A CN 105582803A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- reaction
- temperature
- desulfurization
- boiler
- 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.)
- Granted
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a desulfurization and denitrification method in a boiler and a desulfurization and denitrification reaction furnace thereof. A furnace body of the reaction furnace is internally provided with a cooling area and a reaction area, the reaction area is internally provided with a plurality of rotational flow barrels and a plurality of baffle plates, each rational flow barrel is provided with a low-temperature flue gas inlet, the reaction furnace is internally provided with a plurality of denitrification agent spray pipes and desulfurization agent spray pipes that are communicated with an external material tank, and a feeding fan or a feeding valve is arranged on a material spray pipe. Low-temperature flue gas in a flue gas duct at the tail of the boiler is sucked by the fan into the reaction area to be mixed with high-temperature flue gas, meanwhile, denitrification agent and desulfurization agent are sprayed into the reaction area, the temperature of the flue gas in the reaction area is controlled at 600-750 DEG C, under the temperature, the dwell time of the flue gas in the reaction furnace is 0.8-1.5s, so that redox reaction of nitric oxide and carbon monoxide in the flue gas is carried out for denitrification, and calcium oxide in lime powder reacts with sulfur dioxide in the flue gas for desulfurization. The method has the advantages that the desulfurization and denitrification effects are good, equipment is not corroded, environment is not polluted, waste water does not need to be treated, the occupied area is small, and the operating cost is saved.
Description
Technical field
The present invention relates to coal-burning boiler desulfurization denitration method and desulfurization and denitrification reaction stove thereof.
Background technology
At present, multiple technologies and application of installation have been developed both at home and abroad in the desulphurization and denitration of boiler. Wherein,Denitration technology comprises low nitrogen burning technology, denitrating flue gas (SNCR) technology etc. Desulfur technology comprise wet desulphurization,Semi-dry desulphurization, dry desulfurization etc., Wet Flue Gas Desulfurization Technique is adopt lime slurry and sodium hydroxide solution twoSubtraction (calcium method) or magnesia (magnesium method), reach desulfurized effect through processing such as absorption, oxidation and demists,Shortcoming be have that operating cost is high, equipment corrosion is serious, wastewater treatment and secondary pollution problems; Dry methodDesulfur technology is to carry out in burner hearth, although the method is relatively simple, corrosion-free and without wastewater treatment. But,On Fluidized Bed Boiler, use, its desulfuration efficiency is low, reaction speed is slow. According to the burning feature of boiler, go outShowed spray pulverized limestone desulfur technology in Boiler Furnace, the method is that solid pulverized limestone is directly sprayed into after burner hearth at heightUnder temperature, be sintered into calcium oxide, react with the sulfur dioxide in flue gas, in burner hearth, carry out desulfurization thereby realize;This method is not in place for reaction temperature control in the time of operation, and flue gas stops the problems such as short in burner hearthCannot reach perfect condition, therefore, have the problem that desulfuration efficiency is low. Also be because of reaction temperature control notPut in place, the problem that the reaction time is short, the nitrogen in flue gas and the reacting dose of carbon granule are little, nitrogen oxideSelf-separation also has little time to carry out, and causes the content of the nitrogen oxides in effluent of discharging at boiler tail higher. NitrogenOxide is one of major pollutants that cause atmosphere pollution, and nitrogen oxide is combined final meeting with airborne waterChange into nitric acid and nitrate, nitric acid is one of origin cause of formation of acid rain. The inventor is only control in invention beforeMade the discharge of sulfureous in flue gas, this invention is the improvement on desulfur technology basis, in desulfurization, can haveThe denitration of effect, controls the discharge of nitrogen oxides in effluent.
Summary of the invention
The object of this invention is to provide a kind of boiler desulfurization method of denitration and desulfurization and denitrification reaction stove thereof, this methodDesulfurization off sulfide effect is good, and not etching apparatus, free from environmental pollution, does not need to process waste water, and floor space is little,Can save operating cost.
Technical scheme of the present invention is: boiler desulfurization method of denitration, is characterized in that: comprise the following steps:
A, the high-temperature flue gas that boiler furnace is discharged are introduced desulfurization and denitrification reaction stove, and high-temperature flue gas is in reacting furnaceFirst reduce temperature to 550-735 DEG C through the convection bank of cooling area, then enter reaction zone;
B, the low-temperature flue gas in boiler back end ductwork is pumped in reaction zone and is mixed with high-temperature flue gas with blower fan;
C, simultaneously to spraying denitrfying agent in reaction zone and desulfurizing agent makes it evenly mix with flue gas in reaction zone, instituteThe denitrfying agent of stating is biomass fuel or coal dust, and described desulfurizing agent is pulverized limestone, the cigarette in reaction zoneThe control of temperature degree is 600-750 DEG C, and at this temperature, the time of staying of flue gas in reacting furnace is 0.8-1.5Second, detect data as foundation taking the concentration of the nitrogen oxide in flue gas, oxygen, carbon monoxide, sulfur dioxide,The feeding coal of adjusting denitrfying agent and desulfurizing agent, makes nitric oxide and carbon monoxide in flue gas carry out redoxReaction denitration, the calcium oxide in pulverized limestone and sulfur dioxide in flue gas are carried out reaction desulfuration.
In d, boiler desulfurization method of denitration of the present invention, preferred reaction temperature is 600-735 DEG C.
The reacting furnace that uses boiler desulfurization method of denitration of the present invention, is characterized in that: on the body of heater of reacting furnace, establishHave smoke inlet, exhanst gas outlet, this smoke inlet and boiler furnace smoke discharging pipe UNICOM, this exhanst gas outlet withThe convection heating surface gas approach UNICOM of boiler, is provided with cooling area and reaction zone in the body of heater of reacting furnace, coolingDistrict is made up of convection bank, and several whirl cylinders and deflection plate are housed in reaction zone, the entrance of each whirl cylinder withConvection bank is relative, and communicates with the smoke inlet of reacting furnace by the exhaust gases passes between convection bank, bafflingPlate is placed between the outlet and reacting furnace exhanst gas outlet of each whirl cylinder, and deflection plate two ends are by body of heater movable supporting,Each whirl cylinder is provided with low-temperature flue gas entrance, and each low-temperature flue gas entrance is by air supply duct and boiler back end ductworkUNICOM or with airspace UNICOM, blower fan is housed on air supply duct, the spray of several denitrfying agents is housed in reacting furnacePipe and desulfurizer nozzle, the import of denitrfying agent jet pipe and desulfurizer nozzle import are by material spray pipeline and outside taking offNitre storage tank, desulfurization storage tank UNICOM respectively, is equipped with feed blower fan or inlet valve on material spray pipeline.
Described denitrfying agent jet pipe and the outlet of desulfurizer nozzle can be communicated with whirl cylinder, and two outlets also can be located atWhirl cylinder outlet front.
Described material spray pipeline can with air supply duct UNICOM, the feed blower fan on material spray pipeline is for being contained in ajutageBlower fan on road.
In reaction zone space, temperature adjustment convection heating surface can be installed, further adjust the temperature in reaction zone.
Reaction monitoring controller is equipped with in described body of heater outside, and temperature sensor is housed in body of heater, reacting furnaceSmoke inlet, smoke outlet are equipped with boiler smoke emission detector, and this detector comprises that nitrogen oxide is denseDegree detector, oxygen concentration detecting instrument, carbonomonoxide concentration detector, sulfur dioxide concentration detector, anti-Answer the signal input port of Monitoring and Controlling instrument to be connected by holding wire with each temperature sensor, detector, reactionThe signal output port of Monitoring and Controlling instrument is connected respectively by control line with blower fan, feed blower fan or inlet valve.
The present invention has designed applicable reaction temperature and time, by the convection bank cooling of cooling area, passes throughThe air quantity of controlling low-temperature flue gas or cold wind further regulates temperature, in reaction zone space, by temperature adjustment convection currentHeating surface further regulates temperature, has realized the accurate control to design temperature; Traditional desulfurization and denitrification reactionIn the burner hearth of boiler, carry out, flue gas time of staying in burner hearth is short, and reacting furnace of the present invention is located at outside burner hearth,Thereby extended the stroke of flue gas, make fully reaction have time enough, what the reaction time can be by reacting furnaceVolume design realizes. Nitric oxide in flue gas and carbon monoxide carry out redox reaction, when detecting oneWhen carbonoxide is inadequate, the present invention sprays biomass fuel or coal dust in reaction zone, supplements carbonaceous materialMaterial can react fully and carry out; Because the oxyphie ability of carbon is greater than the oxyphie ability of nitrogen, so, when an oxygenWhile changing carbon and nitric oxide reaction, because the oxyphie ability of carbon is better than nitrogen, thereby carbon monoxide is by nitric oxideOxygen strive, become carbon dioxide, the oxygen in nitric oxide is separated out and is become nitrogen, end product is titanium dioxideCarbon and nitrogen. Realize with this object that reduces nitrogen oxide. Desulfur technology is to use pulverized limestone to spray intoIn reaction zone, the calcium oxide in pulverized limestone fully mixes and reacts with the sulfur dioxide in flue gas, the most lifelongPowdering calcium sulfate, can recycle and free from environmental pollution. The present invention is provided with eddy flow at reacting furnaceCylinder, deflection plate, can make flue gas, denitrfying agent, the desulfurizing agent of different temperatures quick through whirl cylinder, deflection plate energyBe uniformly mixed, for fully reacting the condition of providing convenience; Reaction monitoring controller of the present invention can be supervised in real timeThe state of each tested in control reacting furnace, and machine analysis can be adjusted air quantity, material amount online as calculated. The present inventionDenitration in Boiler, desulfurized effect have been exceeded to national standard, desulfurization >=98% after testing, denitration >=85%, and useDesulphurization and denitration of the present invention not etching apparatus, do not need to process waste water, floor space is little, therefore can reduce fortuneRow cost.
Brief description of the drawings
Fig. 1 is the structural representation of boiler desulfurization denitration reaction stove of the present invention.
In figure, 1 denitrfying agent storage tank, 2 blower fans, 3 air supply ducts, 4 temperature sensors, 5 emissions detectInstrument, 6 boiler furnace smoke discharging pipes, 7 convection banks, the convection heating surface gas approach of 8 boilers, 9 bafflingsPlate, 10 temperature adjustment convection heating surfaces, 11 whirl cylinders, 12 desulfurizer nozzle, 13 denitrfying agent jet pipes, 14 low temperatureSmoke inlet, 15 reaction monitoring controllers, 16 inlet valves, 17 feed blower fans, 18 material spray pipelines, 19 take offSulphur agent storage tank.
Detailed description of the invention
The invention belongs to coal-burning boiler desulphurization denitration technology. The present invention be near boiler furnace or with burner hearth phaseAdjacent boiler outside arranges one group or two groups of desulfurization and denitrification reaction stoves, the smoke inlet of reacting furnace and boiler furnaceConvection heating surface gas approach 8 UNICOMs of the exhanst gas outlet of smoke discharging pipe 6 UNICOMs, reacting furnace and boiler. InsteadAnswer in the body of heater of stove and be provided with cooling area and reaction zone, cooling area is made up of convection bank 7, in reaction zone, is equipped withMultiple whirl cylinders 11 arranged side by side, deflection plate 9, temperature adjustment convection heating surface 10. The arrival end of each whirl cylinder and rightFlowing bundle is relative, and communicates with the smoke inlet of reacting furnace by the exhaust gases passes between convection bank. Deflection plate 9Be contained in the space between outlet and the reacting furnace exhanst gas outlet of each whirl cylinder, deflection plate two ends are by body of heater activitySupport, each whirl cylinder is provided with low-temperature flue gas entrance 14, and each low-temperature flue gas entrance is by air supply duct 3 and potStove back-end ductwork UNICOM or with airspace UNICOM, blower fan 2 is housed on air supply duct, this blower fan is roots blowerOr other blowing devices. Multiple denitrfying agent jet pipes 13 and desulfurizer nozzle 12 are housed, denitrfying agent spray in reacting furnacePipe and desulfurizer nozzle are communicated with respectively with whirl cylinder, also can be located at whirl cylinder outlet front, denitrfying agent jet pipe 13Import and desulfurizer nozzle 12 imports are by material spray pipeline 18 and outside denitrfying agent storage tank 1, desulfurizing agent storingTank 19 UNICOM respectively, is equipped with feed blower fan 17 on material spray pipeline. Material spray pipeline also can with air supply duct UNICOM,Share the blower fan on air supply duct, inlet valve 16 is installed on material spray pipeline and controls feeding coal. Be arranged in anti-Temperature adjustment convection heating surface 10 in Ying Qu space, can further regulate reaction zone temperature. Be arranged in reacting furnaceWhirl cylinder 11, can impel the chemical substance of the various participations reaction in flue gas fully to mix. Particularly favourableIn carbon monoxide and nitric oxide production further redox reaction, reduce the concentration of oxygen in reacting furnace, give nitrogenOxide redox provides needed of chemical reaction. Due to the effect of eddy flow, be also conducive to field simultaneouslySodalime powder mixes with sulfur dioxide, and the calcium powder in sprayed into stove can be played one's part to the full, and not only canEnough improve desulfuration efficiency, but also can save calcium powder raw material, and then save investment and operating cost. ClothThe deflection plate of putting in reacting furnace is driven and is rotated by motor, and deflection plate is similar to shutter, adjusts deflection plate angleDegree can change airflow direction, and the temperature at each position is reached unanimity, and each composition in flue gas is fully mixed. ThisInvention is provided with reaction monitoring controller 15 in body of heater outside, and temperature sensor 4 is housed in body of heater, enters at flue gasMouth, smoke outlet are equipped with boiler smoke emission detector 5, and this detector comprises that nitrous oxides concentration detectsInstrument, oxygen concentration detecting instrument, carbonomonoxide concentration detector, sulfur dioxide concentration detector, reaction monitoringThe signal input port of controller is connected by holding wire with each temperature sensor, detector, reaction monitoring controlThe signal output port of instrument processed is connected respectively by control line with blower fan, feed blower fan or inlet valve. Reaction prisonSurvey controller and can detect the temperature of controlling in reacting furnace, nitrous oxides concentration in detection reaction stove, oxygen concentration,Carbonomonoxide concentration, sulfur dioxide concentration, and then control denitrfying agent and doctor solution consumption.
By the method for reacting furnace desulphurization denitration of the present invention be: the high-temperature flue gas that boiler furnace is discharged is introduced reactionStove, high-temperature flue gas first reduces temperature to 550-735 DEG C through convection bank, then enters reaction zone; Use blower fanLow-temperature flue gas or extraneous air are pumped in whirl cylinder and are mixed with high-temperature flue gas, further regulate temperature.Spray denitrfying agent and desulfurizing agent with feed blower fan or the blower fan that send low-temperature flue gas to reaction zone simultaneously and make itself and flue gasEvenly mix. The present embodiment is in whirl cylinder, to spray denitrfying agent and desulfurizing agent, and described denitrfying agent is biologicalMatter fuel or coal dust, described desulfurizing agent is pulverized limestone. Dioxy in calcium oxide in pulverized limestone and flue gasChange sulphur and carry out reaction desulfuration, it is anti-that the carbon monoxide in flue gas and carbonaceous material and nitric oxide carry out redoxAnswer denitration. Flue-gas temperature control is 600-750 DEG C, and preferred reaction temperature is 600-735 DEG C. In this temperatureUnder, the time of staying of flue gas in reacting furnace is 0.8-1.5 second, the present invention can be in real time with reaction monitoring controllerThe concentration of the temperature of monitoring in reacting furnace, nitrogen oxide, oxygen, carbon monoxide, sulfur dioxide, and through meterCalculation machine is analyzed, is controlled, and has realized the accurate control of temperature, time and reactant to design. Desulfurization productFinal is calcium sulfate dust, and denitration product is carbon dioxide and nitrogen. They are along with flue gas is through the convection current of boilerHeating surface is discharged in lower step handling procedure, and calcium sulfate dust is tackled and processed by deduster, and carbon dioxide andNitrogen is discharged in air with chimney.
Claims (8)
1. boiler desulfurization method of denitration, is characterized in that: comprise the following steps:
A, the high-temperature flue gas that boiler furnace is discharged are introduced desulfurization and denitrification reaction stove, and high-temperature flue gas is in reacting furnaceFirst reduce temperature to 550-735 DEG C through the convection bank of cooling area, then enter reaction zone;
B, the low-temperature flue gas in boiler back end ductwork is pumped in reaction zone and is mixed with high-temperature flue gas with blower fan;
C, simultaneously to spraying denitrfying agent in reaction zone and desulfurizing agent makes it evenly mix with flue gas in reaction zone, instituteThe denitrfying agent of stating is biomass fuel or coal dust, and described desulfurizing agent is pulverized limestone, the cigarette in reaction zoneThe control of temperature degree is 600-750 DEG C, and at this temperature, the time of staying of flue gas in reacting furnace is 0.8-1.5Second, detect data as foundation taking the concentration of the nitrogen oxide in flue gas, oxygen, carbon monoxide, sulfur dioxide,The feeding coal of adjusting denitrfying agent and desulfurizing agent, makes nitric oxide and carbon monoxide in flue gas carry out redoxReaction denitration, the calcium oxide in pulverized limestone and sulfur dioxide in flue gas are carried out reaction desulfuration.
2. boiler desulfurization method of denitration according to claim 1, is characterized in that: preferred reaction temperatureDegree is 600-735 DEG C.
3. right to use requires a reacting furnace for the boiler desulfurization method of denitration described in 1, it is characterized in that:The body of heater of reacting furnace is provided with smoke inlet, exhanst gas outlet, this smoke inlet and boiler furnace smoke discharging pipe connectionThe convection heating surface gas approach UNICOM of logical, this exhanst gas outlet and boiler, is provided with cooling in the body of heater of reacting furnaceDistrict and reaction zone, cooling area is made up of convection bank, and several whirl cylinders and deflection plate are housed in reaction zone,The entrance of each whirl cylinder is relative with convection bank, and by the cigarette of the exhaust gases passes between convection bank and reacting furnaceGas entrance communicates, and deflection plate is placed between the outlet and reacting furnace exhanst gas outlet of each whirl cylinder, deflection plate two endsBy body of heater movable supporting, each whirl cylinder is provided with low-temperature flue gas entrance, and each low-temperature flue gas entrance passes through ajutageRoad and boiler back end ductwork UNICOM or with airspace UNICOM, blower fan is housed on air supply duct, reacting furnace is in-builtHave several denitrfying agent jet pipe and desulfurizer nozzle, the import of denitrfying agent jet pipe and desulfurizer nozzle import are by sprayPipe material and outside denitration storage tank, desulfurization storage tank UNICOM respectively, storage tank is UNICOM respectively, stuff-spraying pipeFeed blower fan or inlet valve are housed on road.
4. reacting furnace according to claim 3, is characterized in that: described denitrfying agent jet pipe and desulfurizationThe outlet of agent jet pipe is communicated with whirl cylinder.
5. reacting furnace according to claim 4, is characterized in that: material spray pipeline and air supply duct UNICOM,Feed blower fan on material spray pipeline is the blower fan being contained on air supply duct.
6. according to the reacting furnace described in claim 3,4 or 5, it is characterized in that: in reaction zone space,Temperature adjustment convection heating surface is installed.
7. according to the reacting furnace described in claim 3,4 or 5, it is characterized in that: described body of heater outsideReaction monitoring controller is housed, temperature sensor is housed in body of heater, the smoke inlet of reacting furnace, exhanst gas outletBoiler smoke emission detector, the signal input port of reaction monitoring controller and each TEMP are equipped with in placeDevice, each detector connect by holding wire, the signal output port of reaction monitoring controller and blower fan, feedBlower fan or inlet valve connect respectively by control line.
8. reacting furnace according to claim 6, is characterized in that: reaction is equipped with in described body of heater outsideMonitoring and Controlling instrument, is equipped with temperature sensor in body of heater, smoke inlet, the smoke outlet of reacting furnace are equipped with potKiln gas emission detector, the signal input port of reaction monitoring controller and each temperature sensor, respectively detectionInstrument connects by holding wire, the signal output port of reaction monitoring controller and blower fan, feed blower fan or feedValve connects respectively by control line.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105582803A true CN105582803A (en) | 2016-05-18 |
| CN105582803B CN105582803B (en) | 2018-05-11 |
Family
ID=55922926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610115925.XA Expired - Fee Related CN105582803B (en) | 2016-03-01 | 2016-03-01 | Boiler desulfurization method of denitration and its desulfurization and denitrification reaction stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105582803B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108434985A (en) * | 2018-05-15 | 2018-08-24 | 王研 | The method of coal combustion high-temperature flue gas denitration |
| CN108620078A (en) * | 2018-05-09 | 2018-10-09 | 王研 | The method of catalyst, the preparation method of catalyst and 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 |
| CN117563397A (en) * | 2023-11-28 | 2024-02-20 | 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 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620078A (en) * | 2018-05-09 | 2018-10-09 | 王研 | The method of catalyst, the preparation method of catalyst and coal combustion high-temperature flue gas denitration |
| 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 |
| CN117563397A (en) * | 2023-11-28 | 2024-02-20 | 河北隆康玻璃钢有限公司 | Desulfurizing tower for producing glass fiber reinforced plastic by ammonia desulfurization |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105582803B (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105582803B (en) | Boiler desulfurization method of denitration and its desulfurization and denitrification reaction stove | |
| CN104190243A (en) | Acetylene sludge desulfurization method and equipment for coal-fired boiler | |
| CN213132673U (en) | Grate-rotary kiln pelletizing flue gas classification denitrification facility | |
| CN109721259A (en) | A kind of limekiln hot air circulating system | |
| CN110333326B (en) | Sintering circulation flue gas simulation system and experimental method | |
| CN107551778B (en) | Flue gas denitration desulfurization dust removal process method | |
| CN209702593U (en) | A kind of limekiln hot air circulating system | |
| CN205461720U (en) | Coal fired boiler high temperature SOx/NOx control equipment | |
| CN203790827U (en) | Economic efficient desulfurizer for CFB (Circulating fluid bed) boiler | |
| CN103301745A (en) | Cyclone separator desulfurization device | |
| CN103706246A (en) | Combined desulfuration and demercuration device and method for flue gas circulating fluidized bed | |
| CN108518698A (en) | Smoke catalytic recycling device | |
| CN210322970U (en) | Sintering circulation flue gas simulation system | |
| CN204563929U (en) | Industrial Boiler high temperature desulfurizing device | |
| CN204543995U (en) | A kind of cement kiln end low-temperature smoke air SCR denitrification apparatus | |
| CN204438823U (en) | A kind of flue gases of cock oven denitration desulfurization UTILIZATION OF VESIDUAL HEAT IN integrated apparatus | |
| CN110292847A (en) | A kind of activated coke desulfurization denitrification integral processing system | |
| CN110115927A (en) | A kind of ultralow nitrogen discharged processing method of ammonia-contaminated gas and system | |
| CN104785095A (en) | High-temperature desulphurization method and desulphurization device of industrial boiler | |
| CN112403182B (en) | Analytic tower and flue gas heating system | |
| CN113559692A (en) | Double-tower double-circulation semi-dry desulfurization device, process and application | |
| CN203355606U (en) | Cyclone separator desulfurizer | |
| CN210964554U (en) | Chain grate-rotary kiln pellet flue gas ultralow emission system | |
| CN101081349A (en) | Fire-coal hot blast desulfurizing system | |
| CN110449025A (en) | Sintering machine heats without fuel and realizes middling temperature DeNOx technology system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20190301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |