CN108800109A - A kind of device and method of pulverized-coal fired boiler supplying high temperature air - Google Patents
A kind of device and method of pulverized-coal fired boiler supplying high temperature air Download PDFInfo
- Publication number
- CN108800109A CN108800109A CN201810281716.1A CN201810281716A CN108800109A CN 108800109 A CN108800109 A CN 108800109A CN 201810281716 A CN201810281716 A CN 201810281716A CN 108800109 A CN108800109 A CN 108800109A
- Authority
- CN
- China
- Prior art keywords
- air
- flue gas
- pulverized
- fired boiler
- coal fired
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The present invention relates to a kind of devices of pulverized-coal fired boiler supplying high temperature air, including pulverized-coal fired boiler, flue gas mixer, air compressor, deduster, air accumulator, wind turbine A, wind turbine B, PLC controller, flow valve A, temperature sensor A, oxygen concentration sensor A, flow valve B, temperature sensor B, oxygen concentration sensor B.The beneficial effects of the invention are as follows：The device utilizes the high-temperature flue gas of pulverized-coal fired boiler discharge, and being inputted again after increasing oxygen concentration and removing the flue dust in high-temperature flue gas makes coal dust firing in pulverized-coal fired boiler.
Description
Technical field
The present invention relates to boiler technology field more particularly to a kind of device and methods of pulverized-coal fired boiler supplying high temperature air.
Background technology
Boiler is a kind of energy conversion, and the energy inputted to boiler has chemical energy, electric energy in fuel, boiler output
Steam, high-temperature water with certain thermal energy or organic heat carrier.Pulverized-coal fired boiler improves burning of coal rate, energy-efficient, rises
Stop simple.By burner hearth, burner, the compositions such as igniter.
It is that high temperature air could conflagration and the energy-efficient mesh of realization that pulverized-coal fired boiler, which requires to enter the air in burner,
's.The method of supplying high temperature air mainly heats Cryogenic air using heat source at present, and heating speed is slow, high energy consumption.
And appoint so oxygen containing low concentration in the high-temperature flue gas being discharged in pulverized-coal fired boiler in the actual production process, it will be high
Warm flue gas, which is dusted, oxygenation can input again makes coal dust firing in pulverized-coal fired boiler.
Invention content
It is an object of the invention to overcome problem above of the existing technology, it is empty to provide a kind of pulverized-coal fired boiler supplying high temperature
The device of gas, the high-temperature flue gas being discharged using pulverized-coal fired boiler, by increasing oxygen concentration and removing the flue dust in high-temperature flue gas
Inputting in pulverized-coal fired boiler again afterwards makes coal dust firing, while providing a kind of method of pulverized-coal fired boiler supplying high temperature air.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme：
A kind of device of pulverized-coal fired boiler supplying high temperature air, including pulverized-coal fired boiler, flue gas mixer, air compressor, remove
Dirt device, air accumulator, wind turbine A, wind turbine B, PLC controller, the smoke inlet of the flue gas mixer and the flue gas of pulverized-coal fired boiler go out
Mouthful it is connected by defeated smoke pipe, flow valve A, temperature sensor A, oxygen concentration sensor A is installed on the defeated smoke pipe, it is described
The air intake of flue gas mixer is connected with the gas outlet of air compressor by appendix, and stream is equipped on the appendix
Valve B, temperature sensor B, oxygen concentration sensor B are measured, the high temperature air outlet of the flue gas mixer passes through pipeline and dedusting
The air intake of device is connected, and the gas outlet of the deduster and the air intake of air accumulator are connected by pipeline, the air accumulator
A threeway is installed in gas outlet, and the one outlet of the threeway is connect by pipeline with the air inlet of wind turbine A, the wind turbine A's
Air outlet is connected by the burner of pipeline and pulverized-coal fired boiler, and the middle part of the pipeline is connected to cuttings conveyer, the threeway
Another outlet connect with the air inlet of wind turbine B by pipeline, the air outlet of the wind turbine B passes through pipeline and pulverized-coal fired boiler
Burner connect, the PLC controller respectively with flow valve A, temperature sensor A, oxygen concentration sensor A, flow valve B, temperature
Degree sensor B, oxygen concentration sensor B, air compressor, deduster, wind turbine A, wind turbine B are connected.
Further, the flue gas mixer includes shell, air inlet duct, flue gas input pipe, the air inlet duct,
Flue gas input pipe is respectively mounted in the shell, and the air inlet duct is located at the lower section of flue gas input pipe, the air input
The bottom end of pipe is equipped with the exhaust outlet being axially arranged along it, and the bottom end of the flue gas input pipe is equipped with the smoke evacuation being axially arranged along it
Mouthful.
Further, one end of the shell is equipped with the connecting flange A that is connected with air inlet duct, the shell it is another
One end is equipped with the connecting flange B being connected with flue gas input pipe, and the top of the shell is equipped with and its axial perpendicular connection
Flange C.
Further, the bottom of the shell is equipped with the ridge projected upwards being axially arranged along it.
Further, the deduster is cyclone separator.
Further, insulating layer is installed, the insulating layer is in rock cotton board, alumina silicate, glass-fiber-fabric outside the air accumulator
One or more.
Further, the temperature sensor C being connected with PLC controller is installed in the air accumulator.
Further, the flow valve A and flow valve B is respectively positioned on close to the side of flue gas mixer, the temperature sensing
Device A, oxygen concentration sensor A, temperature sensor B, oxygen concentration sensor B are respectively positioned on the side far from flue gas mixer.
A kind of method of pulverized-coal fired boiler supplying high temperature air, using the device of above-mentioned pulverized-coal fired boiler supplying high temperature air,
Input control instructs in PLC controller, flue-gas temperature data that PLC controller is monitored according to the temperature sensor A of reception, oxygen
The flue gas oxygen concentration data of gas concentration sensors A monitoring, air themperature data, the oxygen concentration of temperature sensor B monitorings pass
The air oxygen concentration data of sensor B monitorings control the valve port of flow valve A and flow valve B by the size of area, dynamically to adjust
High-temperature flue gas of the section from boiler and the Cryogenic air from air compressor enter the ratio in flue gas mixer, high-temperature flue gas
It carries out in flue gas mixer being mixed to form high temperature air with Cryogenic air, high temperature air is sent into gas storage after deduster dedusting
Tank stores, and the burner of pulverized-coal fired boiler is sent into the high temperature air bulging in air accumulator by wind turbine A as First air, and First air is defeated
The coal dust transferred out from cuttings conveyer is carried during sending, wind turbine B is by the bulging of air accumulator high temperature air as secondary
Wind is sent into the burner of pulverized-coal fired boiler, promotes coal dust firing.
The beneficial effects of the invention are as follows：The device utilize pulverized-coal fired boiler discharge high-temperature flue gas, by flue gas mixer with
Cryogenic air mixing increases the oxygen concentration of high-temperature flue gas to form high temperature air, and high temperature air removes flue dust by deduster
After be stored in air accumulator, the high temperature air in air accumulator, which forms First air through wind turbine A and carries coal dust, inputs pulverized-coal fired boiler
Burner make coal dust firing, the high temperature air in air accumulator forms Secondary Air through wind turbine B and inputs in the burner of pulverized-coal fired boiler
Promote coal dust firing；This method carries out dynamic regulation to the valve port of flow A and flow valve B using PLC controller by area, protects
The concentration and temperature for demonstrate,proving the high temperature air that the mixing of flue gas mixer generates are in a stable range.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the longitudinal section of flue gas mixer in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the cross section of flue gas mixer in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of flue gas mixer one end in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the flue gas mixer other end in the embodiment of the present invention.
Figure label explanation：1- pulverized-coal fired boilers, 2- burners, 3- cuttings conveyers, the defeated smoke pipes of 4-, 5- flue gases mixer,
6- appendixs, 7- air compressors, 8- dedusters, 9- air accumulators, 10- wind turbine A, 11- wind turbine B, 12-PLC controller, 13- oxygen
Gas concentration sensors A, 14- temperature sensor A, 15- flow valve A, 16- oxygen concentration sensor B, 17- temperature sensors B, 18-
Flow valve B, 19- shell, 20- flue gases input pipe, 21- connecting flange B, 22- smoke outlet, 23- air inlet ducts, 24- connection methods
Blue A, 25- exhaust outlet, 26- connecting flange C, 27- ridge, 28- temperature sensors C.
Specific implementation mode
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
As shown in Fig. 1 to 5, a kind of device of pulverized-coal fired boiler supplying high temperature air, including pulverized-coal fired boiler, flue gas mixer,
Air compressor, deduster, air accumulator, wind turbine A, wind turbine B, PLC controller, the smoke inlet and coal dust of the flue gas mixer
The exhanst gas outlet of boiler is connected by defeated smoke pipe, and flow valve A, temperature sensor A, oxygen concentration are equipped on the defeated smoke pipe
The air intake of sensors A, the flue gas mixer is connected with the gas outlet of air compressor by appendix, the gas transmission
Flow valve B, temperature sensor B, oxygen concentration sensor B are installed, the high temperature air outlet of the flue gas mixer is logical on pipe
Piping is connected with the air intake of deduster, and the gas outlet of the deduster and the air intake of air accumulator are connected by pipeline,
A threeway is installed in the gas outlet of the air accumulator, and the one outlet of the threeway is connect by pipeline with the air inlet of wind turbine A,
The air outlet of the wind turbine A is connected by the burner of pipeline and pulverized-coal fired boiler, and middle part and the cuttings conveyer of the pipeline connect
Logical, another outlet of the threeway is connect by pipeline with the air inlet of wind turbine B, and the air outlet of the wind turbine B passes through pipeline
Connect with the burner of pulverized-coal fired boiler, the PLC controller respectively with flow valve A, temperature sensor A, oxygen concentration sensor
A, flow valve B, temperature sensor B, oxygen concentration sensor B, air compressor, deduster, wind turbine A, wind turbine B are connected.
Further, the flue gas mixer includes shell, air inlet duct, flue gas input pipe, the air inlet duct,
Flue gas input pipe is respectively mounted in the shell, and the air inlet duct is located at the lower section of flue gas input pipe, the air input
The bottom end of pipe is equipped with the exhaust outlet being axially arranged along it, and the bottom end of the flue gas input pipe is equipped with the smoke evacuation being axially arranged along it
Mouthful.One end of the shell is equipped with the connecting flange A being connected with air inlet duct, and the other end of the shell is equipped with and flue gas
The top of the connecting flange B that input pipe is connected, the shell are equipped with and its axial perpendicular connecting flange C.The shell
Bottom be equipped with the ridge projected upwards being axially arranged along it.The deduster is cyclone separator.
Further, insulating layer is installed, the insulating layer is rock cotton board, alumina silicate, glass-fiber-fabric group outside the air accumulator
Conjunction is made.The temperature sensor C being connected with PLC controller is installed in the air accumulator.
Further, the flow valve A and flow valve B is respectively positioned on close to the side of flue gas mixer, the temperature sensing
Device A, oxygen concentration sensor A, temperature sensor B, oxygen concentration sensor B are respectively positioned on the side far from flue gas mixer.
The device utilizes the high-temperature flue gas of pulverized-coal fired boiler discharge, is mixed with Cryogenic air by flue gas mixer and increases high temperature
To form high temperature air, high temperature air is stored in after removing flue dust by deduster in air accumulator the oxygen concentration of flue gas, is stored up
High temperature air in gas tank, which forms First air through wind turbine A and carries coal dust and input the burner of pulverized-coal fired boiler, makes coal dust firing,
Promote coal dust firing in burner of the high temperature air through wind turbine B formation Secondary Air input pulverized-coal fired boilers in air accumulator.
A kind of method of pulverized-coal fired boiler supplying high temperature air, using the device of above-mentioned pulverized-coal fired boiler supplying high temperature air,
Input control instructs in PLC controller, flue-gas temperature data that PLC controller is monitored according to the temperature sensor A of reception, oxygen
The flue gas oxygen concentration data of gas concentration sensors A monitoring, air themperature data, the oxygen concentration of temperature sensor B monitorings pass
The air oxygen concentration data of sensor B monitorings control the valve port of flow valve A and flow valve B by the size of area, dynamically to adjust
High-temperature flue gas of the section from boiler and the Cryogenic air from air compressor enter the ratio in flue gas mixer, high-temperature flue gas
It carries out in flue gas mixer being mixed to form high temperature air with Cryogenic air, high temperature air is sent into gas storage after deduster dedusting
Tank stores, and the burner of pulverized-coal fired boiler is sent into the high temperature air bulging in air accumulator by wind turbine A as First air, and First air is defeated
The coal dust transferred out from cuttings conveyer is carried during sending, wind turbine B is by the bulging of air accumulator high temperature air as secondary
Wind is sent into the burner of pulverized-coal fired boiler, promotes coal dust firing.
This method carries out dynamic regulation to the valve port of flow A and flow valve B using PLC controller by area, ensures cigarette
The concentration and temperature for the high temperature air that the mixing of gas mixer generates are in a stable range.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (9)
1. a kind of device of pulverized-coal fired boiler supplying high temperature air, it is characterised in that：Including pulverized-coal fired boiler, flue gas mixer, air
Compressor, deduster, air accumulator, wind turbine A, wind turbine B, PLC controller, the smoke inlet and pulverized-coal fired boiler of the flue gas mixer
Exhanst gas outlet be connected by defeated smoke pipe, be equipped on the defeated smoke pipe flow valve A, temperature sensor A, oxygen concentration sensing
Device A, the air intake of the flue gas mixer is connected with the gas outlet of air compressor by appendix, on the appendix
Flow valve B, temperature sensor B, oxygen concentration sensor B are installed, the high temperature air outlet of the flue gas mixer passes through pipe
Road is connected with the air intake of deduster, and the gas outlet of the deduster and the air intake of air accumulator are connected by pipeline, described
A threeway is installed in the gas outlet of air accumulator, and the one outlet of the threeway is connect by pipeline with the air inlet of wind turbine A, described
The air outlet of wind turbine A is connected by the burner of pipeline and pulverized-coal fired boiler, and the middle part of the pipeline is connected to cuttings conveyer, institute
Another outlet for stating threeway is connect by pipeline with the air inlet of wind turbine B, and the air outlet of the wind turbine B passes through pipeline and coal dust
The burner of boiler connects, the PLC controller respectively with flow valve A, temperature sensor A, oxygen concentration sensor A, flow
Valve B, temperature sensor B, oxygen concentration sensor B, air compressor, deduster, wind turbine A, wind turbine B are connected.
2. the device of pulverized-coal fired boiler supplying high temperature air according to claim 1, it is characterised in that：The flue gas mixer
Including shell, air inlet duct, flue gas input pipe, the air inlet duct, flue gas input pipe are respectively mounted in the shell, and institute
The lower section that air inlet duct is located at flue gas input pipe is stated, the bottom end of the air inlet duct is equipped with the exhaust being axially arranged along it
Mouthful, the bottom end of the flue gas input pipe is equipped with the smoke outlet being axially arranged along it.
3. the device of pulverized-coal fired boiler supplying high temperature air according to claim 2, it is characterised in that：One end of the shell
Equipped with the connecting flange A being connected with air inlet duct, the other end of the shell is equipped with the company being connected with flue gas input pipe
The top of acting flange B, the shell are equipped with and its axial perpendicular connecting flange C.
4. the device of pulverized-coal fired boiler supplying high temperature air according to claim 2, it is characterised in that：The bottom of the shell
Equipped with the ridge projected upwards being axially arranged along it.
5. the device of pulverized-coal fired boiler supplying high temperature air according to claim 1, it is characterised in that：The deduster is rotation
Wind separator.
6. the device of pulverized-coal fired boiler supplying high temperature air according to claim 1, it is characterised in that：Pacify outside the air accumulator
Equipped with insulating layer, the insulating layer is one or more of rock cotton board, alumina silicate, glass-fiber-fabric.
7. the device of pulverized-coal fired boiler supplying high temperature air according to claim 1, it is characterised in that：Pacify in the air accumulator
Equipped with the temperature sensor C being connected with PLC controller.
8. the device of pulverized-coal fired boiler supplying high temperature air according to claim 1, it is characterised in that：The flow valve A and
Flow valve B is respectively positioned on close to the side of flue gas mixer, the temperature sensor A, oxygen concentration sensor A, temperature sensor
B, oxygen concentration sensor B is respectively positioned on the side far from flue gas mixer.
9. a kind of method of pulverized-coal fired boiler supplying high temperature air is supplied high using any pulverized-coal fired boiler of claim 1 to 8
The device of warm air, it is characterised in that：Input control instructs in PLC controller, and PLC controller is according to the temperature sensing of reception
The flue-gas temperature data of device A monitorings, the flue gas oxygen concentration data of oxygen concentration sensor A monitorings, temperature sensor B are monitored
Air themperature data, the air oxygen concentration data of oxygen concentration sensor B monitorings control the valve port of flow valve A and flow valve B
By the size of area, flue gas is entered with high-temperature flue gas of the dynamic regulation from boiler and the Cryogenic air from air compressor
Ratio in mixer, high-temperature flue gas and Cryogenic air carry out being mixed to form high temperature air, high temperature air in flue gas mixer
Air accumulator storage is sent into after deduster dedusting, the high temperature air bulging in air accumulator is sent into coal by wind turbine A as First air
The burner of powder boiler, First air carry the coal dust transferred out from cuttings conveyer during conveying, and wind turbine B is by gas storage
The burner of pulverized-coal fired boiler is sent into the bulging of tank high temperature air as Secondary Air, promotes coal dust firing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281716.1A CN108800109A (en) | 2018-04-02 | 2018-04-02 | A kind of device and method of pulverized-coal fired boiler supplying high temperature air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281716.1A CN108800109A (en) | 2018-04-02 | 2018-04-02 | A kind of device and method of pulverized-coal fired boiler supplying high temperature air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108800109A true CN108800109A (en) | 2018-11-13 |
Family
ID=64095484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810281716.1A Pending CN108800109A (en) | 2018-04-02 | 2018-04-02 | A kind of device and method of pulverized-coal fired boiler supplying high temperature air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108800109A (en) |
Citations (6)
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| CN103615713A (en) * | 2013-11-28 | 2014-03-05 | 华中科技大学 | Method and system thereof for oxygen-enriched flameless combustion of coal powder |
| CN103742899A (en) * | 2014-01-23 | 2014-04-23 | 上海锅炉厂有限公司 | Oxygen-enriched combustion circulating fluidized bed poly-generation system and process |
| CN204412085U (en) * | 2014-12-15 | 2015-06-24 | 青岛科技大学 | A kind of new gas blender |
| CN106439796A (en) * | 2016-11-09 | 2017-02-22 | 中国环境科学研究院 | Flue gas volume/nitric oxide emission reduction system of low-load coal-fired boiler |
| CN206600792U (en) * | 2017-02-27 | 2017-10-31 | 王立臣 | A kind of self cooling but low nitrogen combustion apparatus of smoke and gas premix tube bank |
-
2018
- 2018-04-02 CN CN201810281716.1A patent/CN108800109A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202237909U (en) * | 2011-09-09 | 2012-05-30 | 久泰能源科技有限公司 | Mixer for safely mixing flammable and explosive gas and oxygen |
| CN103615713A (en) * | 2013-11-28 | 2014-03-05 | 华中科技大学 | Method and system thereof for oxygen-enriched flameless combustion of coal powder |
| CN103742899A (en) * | 2014-01-23 | 2014-04-23 | 上海锅炉厂有限公司 | Oxygen-enriched combustion circulating fluidized bed poly-generation system and process |
| CN204412085U (en) * | 2014-12-15 | 2015-06-24 | 青岛科技大学 | A kind of new gas blender |
| CN106439796A (en) * | 2016-11-09 | 2017-02-22 | 中国环境科学研究院 | Flue gas volume/nitric oxide emission reduction system of low-load coal-fired boiler |
| CN206600792U (en) * | 2017-02-27 | 2017-10-31 | 王立臣 | A kind of self cooling but low nitrogen combustion apparatus of smoke and gas premix tube bank |
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Application publication date: 20181113 |