CN114849455A - SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system - Google Patents
SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system Download PDFInfo
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- CN114849455A CN114849455A CN202210433173.7A CN202210433173A CN114849455A CN 114849455 A CN114849455 A CN 114849455A CN 202210433173 A CN202210433173 A CN 202210433173A CN 114849455 A CN114849455 A CN 114849455A
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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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
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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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
- B05B12/04—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery for sequential operation or multiple outlets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J7/00—Arrangement of devices for supplying chemicals to fire
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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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
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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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
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Abstract
The invention discloses a boiler furnace temperature measurement control reducing agent injection system for SNCR denitration treatment, which comprises a furnace sound wave temperature measurement unit, an SNCR control unit, a reducing agent storage device, a reducing agent metering and conveying unit and an atomization injection device, wherein the furnace sound wave temperature measurement unit is connected with the SNCR control unit, the reducing agent metering and conveying unit is arranged between the reducing agent storage device and the atomization injection device, the SNCR control unit is connected with the reducing agent metering and conveying unit and the atomization injection device, and the reducing agent is controlled to be accurately injected into an area in a boiler furnace suitable for SNCR reaction through the reducing agent metering and conveying unit and the atomization injection device. The temperature measurement precision in the hearth can be improved, the using amount of a reducing agent is reduced, the operation cost of the boiler is reduced, and the denitration efficiency is improved.
Description
Technical Field
The invention relates to the technical field of SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system.
Background
The reduction, the harmlessness, the resourceful, but burning that refuse burning can furthest realize rubbish can bring secondary pollution, contain a large amount of harmful material to the environment in the flue gas that refuse burning produced, it is an urgent problem wherein to reduce nitrogen oxide and discharge, and traditional SNCR deNOx systems is limited to the serial number of refuse burning operating mode and can't guarantee that the reductant sprays into furnace all the time in an optimum temperature interval, so the denitration efficiency of traditional SNCR denitration is lower, can't satisfy the environmental protection requirement that constantly improves.
The existing SNCR denitration device sprays reducing agents such as ammonia water solution or urea solution into a denitration reaction area of a smoke generation source in advance under a normal temperature state, so that the reducing agents are in full contact reaction with smoke, the reaction temperature interval required by the existing SNCR denitration process is small, the instability of waste incineration working conditions causes the position of an epoxy agent to be frequently out of the reaction interval, the sprayed reducing agents out of the reaction interval can become ammonia to escape, when a waste incineration power plant boiler burns, the temperature of the cross section of a boiler furnace is unevenly distributed, the temperature data measured by the traditional thermocouple mode cannot truly reflect the temperature of the furnace, the reducing agents are wasted, the denitration efficiency is low, and the operation cost of the boiler is increased.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems and the defects existing in the prior art, the invention aims to provide a temperature measurement control reducing agent injection system for a boiler furnace for SNCR denitration treatment, which can improve the temperature measurement precision in the furnace, reduce the consumption of reducing agents, reduce the operation cost of a boiler and improve the denitration efficiency.
The technical scheme is as follows: in order to achieve the purpose, the temperature measurement control reducing agent injection system for the SNCR denitration boiler furnace comprises a furnace sound wave temperature measurement unit, an SNCR control unit, a reducing agent storage device, a reducing agent metering and conveying unit and an atomization injection device, wherein the furnace sound wave temperature measurement unit is connected with the SNCR control unit, the reducing agent metering and conveying unit is arranged between the reducing agent storage device and the atomization injection device, the SNCR control unit is connected with the reducing agent metering and conveying unit and the atomization injection device, and the reducing agent is controlled to be accurately injected into an area in the boiler furnace suitable for SNCR reaction through the reducing agent metering and conveying unit and the atomization injection device.
Furthermore, the hearth sound wave temperature measuring unit comprises a sound wave transmitting unit, a sound wave receiving unit, a temperature measuring control unit and an analyzing unit, the sound wave transmitting unit and the sound wave receiving unit are arranged in the hearth of the pot, the sound wave transmitting unit and the sound wave receiving unit are respectively used for transmitting and receiving ultrasonic signals, the temperature measuring control unit is directly connected with the sound wave transmitting unit, the sound wave receiving unit and the analyzing unit, the temperature measuring control unit carries out the ultrasonic transmitting frequency and the ultrasonic generator blowing and sweeping work, the transmitting and receiving data enter the analyzing unit every time, and a large amount of data obtain the temperature distribution field of the section of the hearth and the real-time section temperature distribution field through the analyzing unit. Through the control system in the SNCR system, the reducing agent is accurately sprayed into the temperature field suitable for the SNCR reaction, so that the using amount of the reducing agent is reduced, the operation cost of the boiler is reduced, and the denitration efficiency is improved under the condition of reaching the NOx and ammonia escape value.
Further, the number of the sound wave receiving units is the same as that of the sound wave transmitting units, and the measuring paths of the sound wave transmitting units and the sound wave receiving units are distributed in a grid form. The design can obtain the two-dimensional distribution temperature field of the section of the hearth, so that the SNCR control unit can spray the reducing agent in the hearth in different areas according to the temperature data of the two-dimensional distribution temperature field, the reducing agent is prevented from being sprayed into the hearth under the condition that the temperature in the hearth does not reach the proper reaction temperature, and the waste of the reducing agent is reduced.
Further, reductant measurement conveying unit is multiunit and parallelly connected setting, reductant measurement conveying unit includes delivery pump, total conveying line, a plurality of branch conveying line and electromagnetic flowmeter, the import of delivery pump is connected with reductant storage device's discharge gate, the export of delivery pump is connected with total conveying line, branch conveying line is connected with total conveying line, and the electromagnetic flowmeter sets up on branch conveying line, branch conveying line's export is connected with atomizing injection apparatus. The reducing agent metering and conveying can quantitatively convey the reducing agent conveyed into the hearth, so that the waste of the reducing agent is avoided, and the production cost is reduced.
Furthermore, a first electric control valve is arranged at the inlet of the delivery pump, and a second electric control valve is arranged at the outlet of the delivery pump; and a third electric control valve is arranged on the branch conveying pipeline.
Furthermore, pressure gauges are arranged on the main conveying pipeline and the branch conveying pipelines, and instrument valves are arranged on the pressure gauges.
Furthermore, the atomizing and spraying device comprises a plurality of atomizing spray guns, a plurality of spray gun loading ports are formed in the water-cooled wall of the hearth, and the atomizing spray guns are inserted into the hearth from the spray gun loading ports.
Furthermore, the atomizing spray gun is provided with a reducing agent passage and a steam passage, the reducing agent passage is connected with the branch delivery pipe, the steam passage is connected to an external steam pipeline through the delivery pipe, the reducing agent passage is communicated with the steam passage, and the reducing agent is atomized and sprayed into the hearth by steam. The steam passage and the external steam pipeline gasify the reducing agent at high temperature and then inject the reducing agent into the hearth, so that the reducing agent and the flue gas can react more fully.
Further, last blending tank, reductant proportioning device and the agitating unit of including of reductant storage device, reductant proportioning device and blending tank intercommunication, agitating unit set up the inside at the blending tank, reductant proportioning device includes reductant groove, basin, first electromagnetic flow valve, second electromagnetic flow valve, delivery pump one, delivery pump two, communicate through delivery pump one and reductant conveying pipeline between reductant groove and the blending tank, be equipped with first electromagnetic flow valve on the reductant conveying pipeline, communicate through delivery pump two, water delivery pipe between basin and the blending tank, be equipped with second electromagnetic flow valve on the water delivery pipe. The design of the reducing agent proportioning device can quantitatively configure the reducing agent according to actual needs, waste is reduced, and the difference between the configured reducing agent and the actually needed dosage is too large, so that the working efficiency is influenced.
According to the technical scheme, the invention has the beneficial effects that:
according to the boiler furnace temperature measurement control reducing agent injection system for SNCR denitration treatment, accurate temperature measurement is performed in a furnace through a furnace sound wave temperature measurement unit, a reducing agent in a reducing agent storage device is conveyed to an atomization injection device through a reducing agent metering and conveying unit according to temperature distribution by the SNCR control unit, the atomization injection device controls the reducing agent to be accurately injected into an area in a boiler furnace suitable for SNCR reaction and sufficiently performs catalytic reaction with smoke in the furnace, the consumption of the reducing agent is greatly reduced, the operation cost of a boiler is reduced, and the denitration efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a hearth sound wave temperature measuring unit according to the present invention;
FIG. 3 is a schematic structural diagram of a reductant storage device according to the present invention;
FIG. 4 is a schematic structural diagram of a reducing agent metering and conveying unit and an atomizing and spraying device of the invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
As shown in fig. 1-4, the system for controlling spraying of reducing agent through temperature measurement of boiler furnace for SNCR denitration treatment comprises a furnace sound wave temperature measurement unit 1, an SNCR control unit 2, a reducing agent storage device 3, a reducing agent metering and conveying unit 4 and an atomizing and spraying device 5, wherein the furnace sound wave temperature measurement unit 1 is connected with the SNCR control unit 2, the reducing agent metering and conveying unit 4 is arranged between the reducing agent storage device 3 and the atomizing and spraying device 5, the SNCR control unit 2 is connected with the reducing agent metering and conveying unit 4 and the atomizing and spraying device 5, and the reducing agent is controlled to be accurately sprayed into an area in the boiler furnace suitable for SNCR reaction through the reducing agent metering and conveying unit 4 and the atomizing and spraying device 5.
The hearth sound wave temperature measuring unit 1 comprises a sound wave transmitting unit 11, a sound wave receiving unit 12, a temperature measuring control unit 13 and an analyzing unit 14, the sound wave transmitting unit 11 and the sound wave receiving unit 12 are arranged in the hearth of the pot, the sound wave transmitting unit 11 and the sound wave receiving unit 12 are respectively used for transmitting and receiving ultrasonic signals, and the temperature measuring control unit 13 is directly connected with the sound wave transmitting unit 11, the sound wave receiving unit 12 and the analyzing unit 13.
Further, the number of the acoustic wave receiving units 12 is the same as the number of the acoustic wave transmitting units 11, and the measurement paths of the acoustic wave transmitting units 11 and the acoustic wave receiving units 12 are distributed in a grid form.
Further, the reducing agent metering and conveying unit 4 is a plurality of groups and is arranged in parallel, the reducing agent metering and conveying unit 4 comprises a first conveying pump 41, a total conveying pipeline 42, a plurality of branch conveying pipelines 43 and an electromagnetic flowmeter 44, an inlet of the conveying pump 41 is connected with a discharge hole of the reducing agent storage device 4, an outlet of the first conveying pump 41 is connected with the total conveying pipeline 42, the branch conveying pipelines 43 are connected with the total conveying pipeline 42, the electromagnetic flowmeter 44 is arranged on the branch conveying pipelines 43, and an outlet of the branch conveying pipelines 43 is connected with the atomizing and spraying device 5.
Further, a first electric control valve 44 is arranged at an inlet of the first delivery pump 41, and a second electric control valve 45 is arranged at an outlet of the first delivery pump 41; the branch conveying pipeline 43 is provided with a third electric control valve 41.
Further, pressure gauges are arranged on the main conveying pipeline 42 and the branch conveying pipelines 43, and instrument valves are arranged on the pressure gauges.
Furthermore, the atomizing and spraying device 5 is provided with a plurality of atomizing spray guns, a plurality of spray gun loading ports are formed in the water-cooled wall of the hearth, and the atomizing spray guns are inserted into the hearth from the spray gun loading ports.
Furthermore, the atomization spray gun is provided with a reducing agent passage 51 and a steam passage 52, the reducing agent passage 51 is connected with the branch delivery pipe 43, the steam passage 52 is connected to an external steam pipeline through the delivery pipe, the reducing agent passage 51 is communicated with the steam passage 52, and the steam atomizes and sprays the reducing agent into the hearth.
Further, reductant storage device 3 is last including blending tank 31, reductant proportioning device 32 and agitating unit 33, reductant proportioning device 32 and blending tank 31 intercommunication, agitating unit 33 sets up the inside at blending tank 31, reductant proportioning device 32 includes reductant groove 321, basin 322, first electromagnetic flow valve 323, second electromagnetic flow valve 324, delivery pump two 325, delivery pump three 326, communicate through delivery pump two 326 and reductant conveying pipeline 327 between reductant groove 321 and the blending tank 31, be equipped with first electromagnetic flow valve 323 on the reductant conveyer pipe 327, communicate through delivery pump three 326, water delivery pipe 328 between basin 322 and the blending tank 31, be equipped with second electromagnetic flow valve 323 on the water delivery pipe 327.
The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the invention as defined in the claims appended hereto.
Claims (9)
1. The utility model provides a boiler furnace temperature measurement control reductant injection system of SNCR denitration treatment, its characterized in that, includes furnace sound wave temperature measurement unit (1), SNCR the control unit (2), reductant storage device (3), reductant measurement conveying unit (4) and atomizing injection apparatus (5), furnace sound wave temperature measurement unit (1) is connected with SNCR the control unit (2) establishment, reductant measurement conveying unit (4) set up between reductant storage device (3) and atomizing injection apparatus (5), and SNCR the control unit (2) and reductant measurement conveying unit (4) and atomizing injection apparatus (5) establish and are connected, and the control reductant passes through reductant measurement conveying unit (4) and atomizing injection apparatus (5) accurate spout into the region in the boiler furnace that is fit for the SNCR reaction.
2. The SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system according to claim 1, wherein the furnace temperature measurement sound wave temperature unit (1) comprises a sound wave transmitting unit (11), a sound wave receiving unit (12), a temperature measurement control unit (13) and an analysis unit (14), the sound wave transmitting unit (11) and the sound wave receiving unit (12) are arranged in the boiler furnace, the sound wave transmitting unit (11) and the sound wave receiving unit (12) are respectively used for transmitting and receiving ultrasonic signals, and the temperature measurement control unit (13) is directly connected with the sound wave transmitting unit (11), the sound wave receiving unit (12) and the analysis unit (14).
3. The SNCR denitration treatment boiler furnace thermometry control reducing agent injection system according to claim 1, wherein the number of the acoustic wave receiving units (12) is the same as the number of the acoustic wave transmitting units (11), and the measurement paths of the acoustic wave transmitting units (11) and the acoustic wave receiving units (12) are distributed in a grid form.
4. The SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system according to claim 1, wherein the reducing agent metering and conveying units (4) are arranged in multiple groups and are connected in parallel, each reducing agent metering and conveying unit (4) comprises a first conveying pump (41), a main conveying pipeline (42), a plurality of branch conveying pipelines (43) and an electromagnetic flowmeter (44), an inlet of the first conveying pump (41) is connected with a discharge port of the reducing agent storage device (4), an outlet of the first conveying pump (41) is connected with the main conveying pipeline (42), the branch conveying pipelines (43) are connected with the main conveying pipeline (42), the electromagnetic flowmeter (44) is arranged on the branch conveying pipelines (43), and an outlet of each branch conveying pipeline (43) is connected with the atomization injection device (5).
5. The SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system according to claim 1, wherein a first electronic control valve (44) is arranged at an inlet of the first delivery pump (41), and a second electronic control valve (45) is arranged at an outlet of the first delivery pump (41); and a third electric control valve (46) is arranged on the branch conveying pipeline (43).
6. The SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system according to claim 1, wherein pressure gauges are arranged on the main conveying pipeline (42) and the branch conveying pipelines (43), and instrument valves are arranged on the pressure gauges.
7. The SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system according to claim 1, wherein the atomization injection device (5) is a plurality of atomization injection guns, a plurality of injection gun loading ports are arranged on a water-cooled wall of the furnace, and the atomization injection guns are inserted into the furnace from the injection gun loading ports.
8. The SNCR denitration boiler furnace temperature measurement control reducing agent injection system according to claim 7, wherein the atomizing spray gun is provided with a reducing agent passage (51) and a steam passage (52), the reducing agent passage (51) is connected with the branch delivery pipe (43), the steam passage (52) is connected to an external steam pipeline through the delivery pipe, the reducing agent passage (51) is communicated with the steam passage (52), and the steam atomizes and injects the reducing agent into the interior of the furnace.
9. The SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system according to claim 1, wherein the reducing agent storage device (3) comprises a mixing tank (31), a reducing agent proportioning device (32) and a stirring device (33), the reducing agent proportioning device (32) is communicated with the mixing tank (31), the stirring device (33) is arranged inside the mixing tank (31), the reducing agent proportioning device (32) comprises a reducing agent tank (321), a water tank (322), a first electromagnetic flow valve (323), a second electromagnetic flow valve (324), a second delivery pump (325) and a third delivery pump (326), the reducing agent tank (321) is communicated with the mixing tank (31) through the second delivery pump (326) and a reducing agent delivery pipeline (327), the first electromagnetic flow valve (323) is arranged on the reducing agent delivery pipeline (327), the water tank (322) is communicated with the mixing tank (31) through a third delivery pump (326) and a water delivery pipe (328), and a second electromagnetic flow valve (324) is arranged on the water delivery pipe (327).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433173.7A CN114849455A (en) | 2022-04-24 | 2022-04-24 | SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433173.7A CN114849455A (en) | 2022-04-24 | 2022-04-24 | SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system |
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| CN114849455A true CN114849455A (en) | 2022-08-05 |
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| CN202210433173.7A Pending CN114849455A (en) | 2022-04-24 | 2022-04-24 | SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204574107U (en) * | 2015-04-28 | 2015-08-19 | 上海泰欣环保工程有限公司 | Boiler furnace temperature measurer |
| WO2017024664A1 (en) * | 2015-08-12 | 2017-02-16 | 广州特种承压设备检测研究院 | Sncr denitrification system and waste incinerator |
| CN107890770A (en) * | 2017-12-31 | 2018-04-10 | 上海康恒环境股份有限公司 | SNCR sound wave thermometric subregion spraying systems |
| CN208493767U (en) * | 2018-07-13 | 2019-02-15 | 福建省庆鸿节能环保有限公司 | A kind of efficient boiler denitrification apparatus |
| CN212417537U (en) * | 2020-06-08 | 2021-01-29 | 北京首创环境科技有限公司 | Burn burning furnace flue gas degree of depth denitration processing system |
| CN212523654U (en) * | 2020-07-22 | 2021-02-12 | 天津中材工程研究中心有限公司 | System for be used for independent heat source grinding system tail gas denitration |
| CN113776058A (en) * | 2021-08-30 | 2021-12-10 | 西安交通大学 | Technical method for optimizing tar co-combustion |
-
2022
- 2022-04-24 CN CN202210433173.7A patent/CN114849455A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204574107U (en) * | 2015-04-28 | 2015-08-19 | 上海泰欣环保工程有限公司 | Boiler furnace temperature measurer |
| WO2017024664A1 (en) * | 2015-08-12 | 2017-02-16 | 广州特种承压设备检测研究院 | Sncr denitrification system and waste incinerator |
| CN107890770A (en) * | 2017-12-31 | 2018-04-10 | 上海康恒环境股份有限公司 | SNCR sound wave thermometric subregion spraying systems |
| CN208493767U (en) * | 2018-07-13 | 2019-02-15 | 福建省庆鸿节能环保有限公司 | A kind of efficient boiler denitrification apparatus |
| CN212417537U (en) * | 2020-06-08 | 2021-01-29 | 北京首创环境科技有限公司 | Burn burning furnace flue gas degree of depth denitration processing system |
| CN212523654U (en) * | 2020-07-22 | 2021-02-12 | 天津中材工程研究中心有限公司 | System for be used for independent heat source grinding system tail gas denitration |
| CN113776058A (en) * | 2021-08-30 | 2021-12-10 | 西安交通大学 | Technical method for optimizing tar co-combustion |
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