CN204017667U - A kind of Novel SCR denitrating system - Google Patents
A kind of Novel SCR denitrating system Download PDFInfo
- Publication number
- CN204017667U CN204017667U CN201420018492.2U CN201420018492U CN204017667U CN 204017667 U CN204017667 U CN 204017667U CN 201420018492 U CN201420018492 U CN 201420018492U CN 204017667 U CN204017667 U CN 204017667U
- Authority
- CN
- China
- Prior art keywords
- module
- denitrating system
- boiler
- catalyst
- reducing agent
- 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.)
- Expired - Fee Related
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to industrial smoke nitrogen oxide and reduces discharging denitration technology field, relates to a kind of Novel SCR denitrating system, and it comprises Preparation and storage module, delivery cycle module, metering dilution module, NO
xon-line monitoring module, automatic control module, distribution module, jet module, boiler, SCR reactor.The utility model improves existing SCR denitration system, realize full-automatic intelligent operation, automatic control module is according to formation of nitrogen oxides in boiler load prediction stove, and the data such as on line real-time monitoring Gas Parameters, the demand of accurate calculating denitrification reducing agent, and by information feed back to metering dilution module, metering dilution module regulates relevant device rapidly, accurately to provide the reducing agent of respective amount to distribution module, jet module, spray at boiler correct position, reducing agent and flue gas are mixed into SCR reactor and carry out denitration reaction, reach denitration efficiency high, automaticity is high, the cost that puts into operation is low, the beneficial effect that denitration effect is good.
Description
Technical field
The utility model relates to flue gas nitrogen oxide and reduces discharging denitration technology field, relates to a kind of Novel SCR denitrating system.
background technology
Along with oxynitrides NO
xdischarge capacity constantly increases, Acid Rain Pollution by sulfuric acid type to the compound transformation of sulfonitric, city atmospheric environment situation is still severe.Along with the lifting of China's expanding economy and environmental standard, gas denitrifying technology will be used widely at China's thermoelectricity, consumer waste incineration and cement industry.The gas denitrifying technology of current main flow mainly contains SCR (SCR), SNCR method (SNCR), low-NO_x combustion technology.Wherein SCR technology be most effective, application at most, the most ripe denitration technology.
Selective catalytic reduction (Selective Catalytic Reduction is called for short SCR) denitrating system, uses liquefied ammonia, ammonia spirit or urea as reducing agent usually, and wherein urea needs pyrolysis or hydrolysis to generate gaseous ammonia.Liquid ammonia and ammonia spirit were vaporized via evaporator evaporation before injection SCR system flue gas.Ammonia and diluent air mixing, sprayed into by ammonia-spraying grid in the flue of SCR reactor upstream and evenly mix fully with flue gas, then by catalyst module, at catalyst surface generation selective catalytic reduction reaction, synthesize harmless nitrogen (N
2) and water vapour, thus reach the NO removed in flue gas
xobject.
Catalyst can not consume in course of reaction, and its effect makes NH
3with NO
xchemical reaction can carry out under low temperature (300 ~ 400 DEG C), the denitration rate making SCR maximum can reach 80%, and makes NH
3consumption reach optimization.In course of reaction, NH
3can optionally and NO
xreaction generates N
2and H
2o, instead of by O
2being oxidized, therefore reaction is otherwise known as " selective ".The main chemical equation of SCR denitration technique is:
4NH
3+4NO+O
2→4N
2+6H
2O
8NH
3+6NO→7N
2+12H
2O
4NH
3+2NO
2+O
2→3N
2+6H
2O
From the modular angle of system and device, existing SCR denitration system generally comprises Preparation and storage module, delivery cycle module, metering dilution module, distribution module, jet module, boiler, SCR reactor.
Existing SCR denitration system generally need utilize pyrolysis installation using urea or ammoniacal liquor pyrolysis for ammonia is as reducing agent, ammonia sprays in boiler or boiler flue through jet module, easily there is the hidden danger that ammonia is escaped, and generally do not realize automation and comparatively accurately control best reducing agent emitted dose, not corresponding with real-time denitration reaction aequum, cause that reducing agent is excessive causes waste, or very few and make denitration effect not be ideal.
summary of the invention
For above-mentioned the deficiencies in the prior art, the utility model provides a kind of Novel SCR denitrating system, that existing SNCR technology SCR denitration system is improved, full-automatic intelligent operation can be realized, automatic control module can according to the real-time change of boiler load, and the data such as on line real-time monitoring nitrogen oxides in effluent growing amount, the demand of accurate calculating denitrification reducing agent, and by information feed back to metering dilution module, metering dilution module regulates relevant device rapidly, distribution jet module is provided to accurately to provide the reducing agent of respective amount, spray at the correct position of boiler, reducing agent and flue gas are mixed into SCR reactor and carry out denitration reaction.
The technical solution of the utility model is:
A kind of Novel SCR denitrating system, comprises Preparation and storage module, delivery cycle module, metering dilution module, NO
xon-line monitoring module, automatic control module, distribution module, jet module, boiler, SCR reactor.
Preparation and storage module, delivery cycle module, metering dilution module to be circulated connection successively by pipeline, metering dilution module, distribution module, jet module are connected successively by pipeline, and automatic control module is accessed the signal such as temperature, pressure from boiler by circuit and obtained from NO by circuit
xthe signal of on-line monitoring module, automatic control module outputs a control signal to metering dilution module by circuit, and the entrance of SCR reactor is connected to the flue outlet of boiler.
Preparation and storage module comprises preparing tank, delivery pump, conveyance conduit, holding vessel, waste liquid is cheated, preparing tank top is provided with agitator, heater, temperature indicates, liquid level indicates, for the preparation of reductant solution, reductant solution in preparing tank is stored in holding vessel by conveyance conduit by delivery pump, holding vessel is all connected the waterpipe that desalts with preparing tank, all be provided with heater in inside, thermometer is equipped with at sidepiece, liquid level gauge, the pipeline being connected to waste liquid hole is all provided with in bottom and sidepiece, all connect metering dilution module at sidepiece, metering dilution module reflux line is all provided with at top.
Preparation and storage module can store the reducing agent of certain mass concentration, and the reducing agent of employing can be liquefied ammonia, ammonia spirit or urea.Preferably, reducing agent adopts ammoniacal liquor, and liquefied ammonia also can be made ammoniacal liquor by Preparation and storage module.From the angle of safety, further preferably, reducing agent adopts the nontoxic non-hazardous bagged granules urea of direct outsourcing, and the mode being promoted solvent (desalt water) temperature by Steam Heating in electrical heating or factory promotes the dissolving of granular urea, and preparation 40-50% urea liquid also stores.
Delivery cycle module comprises high flow capacity EGR (HFD), in-line filter and the instrument for Long-distance Control and monitoring HFD circulatory system pressure, temperature, flow parameter.Delivery cycle module is independently high flow capacity transmission system, keeps the mobility of reductant solution in pipeline, is convenient to the control of follow-up measurement dilution module simultaneously.
Module comprises conveyance conduit, desalt waterpipe in metering dilution, conveyance conduit is merged into by blender with the waterpipe that desalts and dilutes reducing agent pipeline, the waterpipe that desalts is provided with centrifugal multistage pump multiple centrifugal pump, filter, flowmeter, conveyance conduit is provided with measuring pump, damper, flowmeter successively, the described dilution reducing agent pipeline of many groups parallel connection is all connected with reflux line, and dilution reducing agent pipeline is provided with Pressure gauge.Metering dilution module can realize independently reducing agent flow-control, ensure accuracy, can be arranged in the equipment room near boiler room, connect automatic control module, can accurate measurement and the independent reductant solution dosage regulated in boiler needed for each inlet zone denitration reaction, put into operation distribution module.
NO
xon-line monitoring module installation, in the exit of SCR reactor, is made up of control unit, power subsystem, signal processing unit and monitoring means, for monitoring the NO during exit of the flue gas after by denitration reaction by SCR reactor
xcontent, and by signal feedback to automatic control module.
Automatic control module is according to CFD(computer hydrodynamics) and CKM(Chemical Kinetics), simulation stove combustion temperature field, fluidised form field, chemical reaction kinetics, mixability, the reaction time of reaction temperature window, reducing agent emitted dose, reducing agent and flue gas is obtained by computer simulation computing, determine best spray site and provide foundation for jet module hierarchical arrangement spray gun, response boiler load and NO
xthe signal of on-line monitoring module, at any time according to stove combustion situation, nitrogen oxide emission, accurately controls metering dilution module and to put into operation the reductant solution flow, pressure etc. of distribution module, jet module.
By the mode of the combination of Field pressure control valve and PLC, by distribution module, reductant solution is transported to jet module.
Jet module is arranged near the in duct sorbent injection point of boiler.Spray gun sprays in the flue of boiler after utilizing compressed air to be atomized by required reductant solution.Preferably, jet module comprises the spray gun group of at least two stage arrangement.Preferably, every one-level spray gun group is formed by least three spray guns.Preferably, spray gun adopts the two-fluid spray gun of band casing protection.Each spray gun all arranges flowmeter, Pressure gauge, sensor to monitor its situation such as flow and atomizing effect, each spray gun adopts an independent road pipeline, pipeline arranging compressed air regulating valve, for regulating compressed-air actuated amount, guaranteeing that it runs under best operating condition.
SCR reactor comprises SCR reactor body, catalyst.
SCR reactor body is nucleus equipment, for bearing catalyst, provides reaction compartment, ensures that air flow method is even, adopts fixed bed form.
Catalyst adopts honeycombed catalyst, and have best persistence, abrasiveness, reliability, cost is also lower.
The catalyst number of plies depends on required catalyst reaction surface area, and preferred arrangement is layout two to three layers of catalyst.
On most last layer catalyst, be provided with one deck rectification layer, be evenly distributed when its effect is and ensures that flue gas enters catalyst.One deck spare level is also left, to add one deck catalyst when catalyst activity reduces below rectification layer.
Catalyst directly affects denitration efficiency and operation conditions, and general service life can reach 3 years, affects greatly by flying dust in flue gas.Preferably, between catalyst layer, arrange soot blower, ash is blown in timing.If necessary, the periodic cleaning of inside reactor should also be carried out.
The beneficial effects of the utility model are:
1, denitration efficiency is high: reducing agent adopts ammoniacal liquor or urea liquid, be atomized by spray gun, the ammonia replacing prior art to use, can reduce amount of ammonia slip, reduce the growing amount of hydrogen sulfate ammonia, the utility model is applied in the NO that large coal-fired boiler can reach more than 50%
xremoval efficiency, middle and small burn coal boiler can reach the denitration efficiency of more than 90%.The equivalent proportion of nitrogen oxide and reducing agent is no more than 1.2, reaches economic optimum.
2, automaticity is high: Optimizing Flow on the basis of traditional SCR technology, automatic control module is set, accurate control rear end ammonia nitrogen conversion zone, by multistage layout spray gun, according to the change of the boiler load temperature province from motion tracking 900 DEG C ~ 1100 DEG C, the spray gun in optimum temperature region is automatically selected to run; Can according to NO
xon-line monitoring module monitors to the change of nitrogen oxide emission automatically adjust expulsion pressure and the emitted dose of reducing agent, can site administrator be reduced; Only need to keep the amount of Preparation and storage module storage and reduction agent solution enough, follow-uply realize Automatic Control.
3, the cost that puts into operation is low: simplified apparatus scope, and floor space is little; Without the need to transforming boiler, construction is simple, and the duration is short; Reducing agent adopts ammoniacal liquor or prepares urea liquid, and save pyrolysis installation, materials safety is easy to get, thus without the need to using the reducing agent of other costlinesses.
4, denitration effect is good: spray gun atomizing effect is good, and average atomizing particle diameter is less than 55 microns.After nozzle atomization, in same spouting liquid situation, droplet quantity increases by tens times, and drop total surface area increases several times, so denitration efficiency is higher, the escaping of ammonia rate is lower; Penetrability is strong, and liquid mist arrives 40m/s from jet expansion ejection hourly velocity, ensures that reducing agent fully mixes with flue gas, thus improves denitration efficiency; Control simple, during work, air pressure is constant, and only by regulating hydraulic pressure just can reach the object regulating liquid measure, and liquid measure change is very little on spraying granule impact.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of Novel SCR denitrating system described in the utility model.
Fig. 2 is the reducing agent preparation of a kind of Novel SCR denitrating system described in the utility model and the flow process simplified schematic diagram of metering conveying.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further:
As shown in Figure 1, a kind of Novel SCR denitrating system, comprises Preparation and storage module, delivery cycle module, metering dilution module, NO
xon-line monitoring module, automatic control module, distribution module, jet module, boiler, SCR reactor.
Preparation and storage module, delivery cycle module, metering dilution module to be circulated connection successively by pipeline, metering dilution module, distribution module, jet module are connected successively by pipeline, automatic control module, by the signal such as temperature, pressure of circuit access from boiler, is obtained from NO by circuit
xthe signal of on-line monitoring module, and output a control signal to metering dilution module by circuit.The entrance of SCR reactor is connected to the flue outlet of boiler.
Preparation and storage module comprises preparing tank, delivery pump, conveyance conduit, holding vessel, waste liquid is cheated, preparing tank top is provided with agitator, heater, temperature indicates, liquid level indicates, for the preparation of urea liquid, urea liquid in preparing tank is stored in holding vessel by conveyance conduit by delivery pump, holding vessel is all connected the waterpipe that desalts with preparing tank, all be provided with heater in inside, thermometer is equipped with at sidepiece, liquid level gauge, the pipeline being connected to waste liquid hole is all provided with in bottom and sidepiece, all connect metering dilution module at sidepiece, metering dilution module reflux line is all provided with at top.
Preparation and storage module adopts the nontoxic non-hazardous bagged granules urea of direct outsourcing, and the mode being promoted solvent (desalt water) temperature by Steam Heating in electrical heating or factory promotes the dissolving of granular urea, and preparation 40-50% urea liquid also stores.
Delivery cycle module comprises high flow capacity EGR (HFD), in-line filter and the instrument for Long-distance Control and monitoring HFD circulatory system pressure, temperature, flow parameter.Delivery cycle module is independently high flow capacity transmission system, keeps the mobility of reductant solution in pipeline, is convenient to the control of follow-up measurement dilution module simultaneously.
Module comprises conveyance conduit, desalt waterpipe in metering dilution, conveyance conduit is merged into by blender with the waterpipe that desalts and dilutes reducing agent pipeline, the waterpipe that desalts is provided with centrifugal multistage pump multiple centrifugal pump, filter, flowmeter, conveyance conduit is provided with measuring pump, damper, flowmeter successively, the described pipeline of many groups parallel connection is all connected with reflux line, and dilution reducing agent pipeline is provided with Pressure gauge.Metering dilution module realizes independently reducing agent flow-control, ensure accuracy, be arranged in the equipment room near boiler room, connect automatic control module, accurate measurement and the independent reductant solution dosage regulated in boiler needed for each inlet zone denitration reaction, put into operation distribution module.
NO
xon-line monitoring module installation, in the exit of SCR reactor, is made up of control unit, power subsystem, signal processing unit and monitoring means, for monitoring the NO during exit of the flue gas after by denitration reaction by SCR reactor
xcontent, and by signal feedback to automatic control module.
Automatic control module is according to CFD(computer hydrodynamics) and CKM(Chemical Kinetics), simulation stove combustion temperature field, fluidised form field, chemical reaction kinetics, mixability, the reaction time of reaction temperature window, reducing agent emitted dose, reducing agent and flue gas is obtained by computer simulation computing, determine best spray site and provide foundation for jet module hierarchical arrangement spray gun, response boiler load and NO
xthe signal of on-line monitoring module, at any time according to stove combustion situation, nitrogen oxide emission, accurately controls metering dilution module and to put into operation the urea liquid flow, pressure etc. of distribution module, jet module.
By the mode of the combination of Field pressure control valve and PLC, by distribution module, reductant solution is transported to jet module.
Jet module is arranged near the in duct sorbent injection point of boiler.Spray gun sprays in the flue of boiler after utilizing compressed air to be atomized by required reductant solution.Jet module comprises the spray gun group of two stage arrangement.Every one-level spray gun group is formed by three spray guns.Spray gun adopts the two-fluid spray gun of band casing protection.Each spray gun all arranges flowmeter, Pressure gauge, sensor to monitor its situation such as flow and atomizing effect, each spray gun adopts an independent road pipeline, pipeline arranging compressed air regulating valve, for regulating compressed-air actuated amount, guaranteeing that it runs under best operating condition.
SCR reactor comprises SCR reactor body, catalyst.
SCR reactor body is nucleus equipment, for bearing catalyst, provides reaction compartment, ensures that air flow method is even, adopts fixed bed form.
Catalyst adopts honeycombed catalyst, and arrangement arranges two-layer catalyst.
On most last layer catalyst, be provided with the rectification layer of one deck catalyst-free, be evenly distributed when its effect is and ensures that flue gas enters catalyst.One deck spare level is also left, to add one deck catalyst when catalyst activity reduces below rectification layer.
Catalyst directly affects denitration efficiency and operation conditions, and general service life can reach 3 years, affects greatly by flying dust in flue gas.Between catalyst layer, arrange soot blower, ash is blown in timing.Carry out the periodic cleaning of inside reactor.
Adopt urea for reducing agent, the workflow of a kind of Novel SCR denitrating system of the utility model is:
Preparation and storage module adopts granular urea as raw material, and the mode being promoted solvent (desalt water) temperature by Steam Heating in factory promotes the dissolving of granular urea, and preparation 40-50% urea liquid is also stored in holding vessel.Delivery cycle module provides power drive, keeps the flowing of urea liquid.NO
xon-line monitoring module monitors passes through the flue gas after denitration reaction by NO during boiler export place
xcontent, and by signal feedback to automatic control module.Automatic control module response boiler load and NO
xthe control signal of on-line monitoring module, at any time according to stove combustion situation, nitrogen oxide emission, accurately controls metering dilution module and to put into operation the urea liquid flow, pressure etc. of distribution module, jet module.Urea liquid is transported to jet module by distribution module.The spray gun of jet module utilizes compressed air to spray in the flue of boiler after the atomization of required urea liquid, and mixed flue gas enters SCR reactor, then carries out SCR denitration reaction.
What describe in above-described embodiment and description just illustrates principle of the present utility model and most preferred embodiment; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.
Claims (10)
1. a Novel SCR denitrating system, is characterized in that: comprise Preparation and storage module, delivery cycle module, metering dilution module, NO
xon-line monitoring module, automatic control module, distribution module, jet module, boiler, SCR reactor, described Preparation and storage module, delivery cycle module, metering dilution module to be circulated connection successively by pipeline, described metering dilution module, distribution module, jet module are connected successively by pipeline, described automatic control module outputs a control signal to described metering dilution module by circuit, and the flue of described boiler connects the entrance of described SCR reactor.
2. a kind of Novel SCR denitrating system according to claim 1, it is characterized in that: described Preparation and storage module comprises preparing tank, delivery pump, conveyance conduit, holding vessel, waste liquid is cheated, described preparing tank top is provided with agitator, heater, temperature indicates, liquid level indicates, reductant solution in described preparing tank is stored in described holding vessel by described conveyance conduit by described delivery pump, described holding vessel is all connected the waterpipe that desalts with described preparing tank, all be provided with heater in inside, thermometer is equipped with at sidepiece, liquid level gauge, the pipeline being connected to described waste liquid hole is all provided with in bottom and sidepiece, all connect described metering dilution module at sidepiece, metering dilution module reflux line is all provided with at top.
3. a kind of Novel SCR denitrating system according to claim 1, it is characterized in that: described metering dilution module comprises conveyance conduit, desalt waterpipe, conveyance conduit is merged into by blender with the waterpipe that desalts and dilutes reducing agent pipeline, the described waterpipe that desalts is provided with centrifugal multistage pump multiple centrifugal pump, filter, flowmeter, described conveyance conduit is provided with measuring pump successively, damper, flowmeter, the described dilution reducing agent pipeline of many groups parallel connection is all connected with reflux line, described dilution reducing agent pipeline is provided with Pressure gauge, described metering is diluted in the equipment room of module arrangement near boiler room and connects described automatic control module.
4. a kind of Novel SCR denitrating system according to claim 1, is characterized in that: described NO
xon-line monitoring module installation is in the exit of described SCR reactor and be made up of control unit, power subsystem, signal processing unit and monitoring means.
5. a kind of Novel SCR denitrating system according to claim 1, is characterized in that: comprise the spray gun group of at least two stage arrangement near the in duct sorbent injection point that described jet module is arranged in described boiler.
6. a kind of Novel SCR denitrating system according to claim 5; it is characterized in that: every one-level spray gun group is formed by least three spray guns; described spray gun adopts the two-fluid spray gun of band casing protection; each spray gun all arranges flowmeter, Pressure gauge, sensor and also adopts an independent road pipeline, and compressed air piping is provided with control valve.
7. a kind of Novel SCR denitrating system according to claim 1, it is characterized in that: described SCR reactor comprises SCR reactor body, catalyst, described SCR reactor body adopts fixed bed form, and the shape of described catalyst adopts cellular, and the described catalyst number of plies is two to three layers.
8. a kind of Novel SCR denitrating system according to claim 7, is characterized in that: on catalyst described in most last layer, be provided with one deck rectification layer.
9. a kind of Novel SCR denitrating system according to claim 8, is characterized in that: below described rectification layer, also leave one deck spare level, to add one deck catalyst when catalyst activity reduces.
10. a kind of Novel SCR denitrating system according to claim 7, is characterized in that: on described catalyst layer, all arrange soot blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018492.2U CN204017667U (en) | 2014-01-13 | 2014-01-13 | A kind of Novel SCR denitrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018492.2U CN204017667U (en) | 2014-01-13 | 2014-01-13 | A kind of Novel SCR denitrating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204017667U true CN204017667U (en) | 2014-12-17 |
Family
ID=52057580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420018492.2U Expired - Fee Related CN204017667U (en) | 2014-01-13 | 2014-01-13 | A kind of Novel SCR denitrating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204017667U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932265A (en) * | 2015-06-07 | 2015-09-23 | 陈亮 | Control system for flue gas denitration based on mathematical model |
| CN105549633A (en) * | 2016-01-22 | 2016-05-04 | 南通亚泰工程技术有限公司 | SCR flue gas flow adjustment system and reactor for exhaust processing of marine diesel engine |
| CN106178870A (en) * | 2015-05-07 | 2016-12-07 | 嘉兴新嘉爱斯热电有限公司 | A kind of SNCR-SCR combines flue gas denitrification system |
| CN106731553A (en) * | 2016-12-20 | 2017-05-31 | 天津华迈环保设备有限公司 | A kind of ammoniacal liquor feeding mechanism and method for flue gas SCR method denitration |
| CN107638791A (en) * | 2017-11-10 | 2018-01-30 | 湖南安普诺环保科技有限公司 | A kind of rotary kiln flue gas denitrification system |
| CN108170090A (en) * | 2018-03-13 | 2018-06-15 | 中国船舶电站设备有限公司 | A kind of SCR state monitoring devices |
| CN108325384A (en) * | 2018-04-12 | 2018-07-27 | 山东联盛环保科技有限公司 | A kind of full load equipment for denitrifying flue gas |
| CN108369122A (en) * | 2016-03-04 | 2018-08-03 | 日挥株式会社 | The estimating method of gas discharge amount |
| CN108744970A (en) * | 2017-07-24 | 2018-11-06 | 深圳市中兰环保科技股份有限公司 | A kind of combined denitration system of gas fired-boiler and biogas internal combustion engine |
| CN109603543A (en) * | 2018-12-27 | 2019-04-12 | 华能国际电力股份有限公司丹东电厂 | It is a kind of for the interim for ammonia system and application method of power plant's SCR denitration device |
| CN110292848A (en) * | 2019-05-14 | 2019-10-01 | 广州特种承压设备检测研究院 | A kind of waste incinerator deacidification equipment and method based on CFD |
-
2014
- 2014-01-13 CN CN201420018492.2U patent/CN204017667U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178870A (en) * | 2015-05-07 | 2016-12-07 | 嘉兴新嘉爱斯热电有限公司 | A kind of SNCR-SCR combines flue gas denitrification system |
| CN106178870B (en) * | 2015-05-07 | 2019-01-08 | 嘉兴新嘉爱斯热电有限公司 | A kind of SNCR-SCR joint flue gas denitrification system |
| CN104932265B (en) * | 2015-06-07 | 2017-10-03 | 陈亮 | A kind of control system of the denitrating flue gas based on mathematical modeling |
| CN104932265A (en) * | 2015-06-07 | 2015-09-23 | 陈亮 | Control system for flue gas denitration based on mathematical model |
| CN105549633A (en) * | 2016-01-22 | 2016-05-04 | 南通亚泰工程技术有限公司 | SCR flue gas flow adjustment system and reactor for exhaust processing of marine diesel engine |
| CN105549633B (en) * | 2016-01-22 | 2019-12-10 | 南通亚泰工程技术有限公司 | SCR flue gas flow regulating system and reactor for exhaust treatment of marine diesel engine |
| CN108369122A (en) * | 2016-03-04 | 2018-08-03 | 日挥株式会社 | The estimating method of gas discharge amount |
| CN106731553A (en) * | 2016-12-20 | 2017-05-31 | 天津华迈环保设备有限公司 | A kind of ammoniacal liquor feeding mechanism and method for flue gas SCR method denitration |
| CN108744970A (en) * | 2017-07-24 | 2018-11-06 | 深圳市中兰环保科技股份有限公司 | A kind of combined denitration system of gas fired-boiler and biogas internal combustion engine |
| CN107638791A (en) * | 2017-11-10 | 2018-01-30 | 湖南安普诺环保科技有限公司 | A kind of rotary kiln flue gas denitrification system |
| CN108170090A (en) * | 2018-03-13 | 2018-06-15 | 中国船舶电站设备有限公司 | A kind of SCR state monitoring devices |
| CN108325384A (en) * | 2018-04-12 | 2018-07-27 | 山东联盛环保科技有限公司 | A kind of full load equipment for denitrifying flue gas |
| CN109603543A (en) * | 2018-12-27 | 2019-04-12 | 华能国际电力股份有限公司丹东电厂 | It is a kind of for the interim for ammonia system and application method of power plant's SCR denitration device |
| CN110292848A (en) * | 2019-05-14 | 2019-10-01 | 广州特种承压设备检测研究院 | A kind of waste incinerator deacidification equipment and method based on CFD |
| CN110292848B (en) * | 2019-05-14 | 2021-10-01 | 广州特种承压设备检测研究院 | CFD-based garbage incinerator deacidification equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204017667U (en) | A kind of Novel SCR denitrating system | |
| CN103691293B (en) | A kind of SNCR and SCR mixing denitrating system | |
| CN203899439U (en) | Novel SNCR (selective non-catalytic reduction) denitration system | |
| CN205598926U (en) | Circulating fluidized bed boiler flue gas SNCR and SCR coupling denitrification facility | |
| CN103728994B (en) | A kind of cement plant SCR denitration efficiency monitoring control method | |
| CN202700347U (en) | Smoke selective non-catalytic reduction (SNCR) denitration complete plant | |
| CN102806002B (en) | SNCR (selective non-catalytic reduction) denitration device and method for rotary cement kiln nitrogen oxide control | |
| CN102806003B (en) | SNCR (selective non-catalytic reduction) denitration device and method for rotary cement kiln | |
| CN107789967B (en) | Sintering flue gas low-temperature denitration device and implementation method thereof | |
| CN107261837A (en) | It is a kind of to quote denitrification apparatus and technique that high-temperature flue gas carries out urea pyrolysis ammonia | |
| CN106807206A (en) | A kind of SNCR flue gas denitrification systems for domestic waste incineration | |
| CN104147912A (en) | Flue-gas denitration method and device by mixing of selective non-catalytic reduction method SNCR and selective catalytic reduction method SCR | |
| CN204973521U (en) | SNCR+SCR unites denitrification facility | |
| CN202921159U (en) | Double-atomization spray gun for SNCR (selective non-catalytic reduction) denitration system | |
| CN106422772A (en) | Ammonia-water gasification system for SCR flue gas denitration | |
| CN203342646U (en) | Fluidized bed boiler flue gas denitrating device adopting urea hydrolysis SNCR (selective non-catalytic reduction) | |
| CN102824841B (en) | Selective non-catalytic reduction (SNCR) denitration system of coal-fired circulating fluidized bed boiler | |
| CN203648364U (en) | Coal-fired boiler flue gas denitration system | |
| CN202921160U (en) | SNCR (selective non-catalytic reduction) flue gas denitration system | |
| CN104307347A (en) | Efficient SNCR point-to-point injection system | |
| CN101623606A (en) | Automatic ammonia-spraying mixing system for SCR denitration system | |
| CN203132366U (en) | Selective non-catalytic reduction (SNCR) denitration system for dry method cement production line | |
| CN204637957U (en) | A kind of equipment for denitrifying flue gas | |
| CN203458976U (en) | Non-catalytic reduction two-segment denitrification device of circulating fluidized bed boiler | |
| CN203525562U (en) | Selective non-catalytic reduction (SNCR) denitration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20200113 |