CN101943404A - Combustion method and structure for coal water slurry combustion furnace - Google Patents
Combustion method and structure for coal water slurry combustion furnace Download PDFInfo
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- CN101943404A CN101943404A CN 201010298393 CN201010298393A CN101943404A CN 101943404 A CN101943404 A CN 101943404A CN 201010298393 CN201010298393 CN 201010298393 CN 201010298393 A CN201010298393 A CN 201010298393A CN 101943404 A CN101943404 A CN 101943404A
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Abstract
The invention discloses a combustion method and a structure for a coal water slurry combustion furnace. The coal water slurry enters the combustion furnace for combustion through a main nozzle at the bottom of the combustion furnace. The structure is characterized in that: a secondary combustion chamber and a secondary nozzle are arranged on the side face of the combustion furnace; and in the combustion process, the secondary nozzle continuously injects the coal water slurry and supplements heat for a main nozzle position. By injecting the coal water slurry from the secondary nozzle, supplementing heat for the main nozzle position after combustion and increasing the heat of the main nozzle position, so the combustion of the coal water slurry prepared from low volatile coal is more complete. The combustion structure has the advantages of simple structure and convenient modification.
Description
Technical field
The present invention relates to a kind of cool water mixture burning stove combustion method and structure, belong to cool water mixture burning stove technical field.
Background technology
In the prior art, shortcoming such as adopting coal is coal-burning boiler, the Industrial Stoves of fuel, exists coal burning incomplete, and thermal energy conversion efficiency is low, and operator's labour intensity is big, and flue dust is many, and is big for environment pollution.And water-coal-slurry can replace coal to use as a kind of novel high-efficiency cleaning fuel, has burning high efficiency, load adjustment facility, reduces environmental pollution, improves working conditions and save with advantages such as coals.But existing cool water mixture burning stove owing to the heat exchange that continues in the combustion furnace to carry out, causes the interior coal-water slurry nozzle position of body of heater temperature low, is unfavorable for the burning of water-coal-slurry, and it is insufficient to exist cool water mixture burning, the shortcoming of low-volatile coal incomplete combustion.
Summary of the invention
The objective of the invention is to, a kind of cool water mixture burning stove combustion method and structure are provided.To improve the efficiency of combustion of cool water mixture burning stove.
Technical scheme of the present invention.Cool water mixture burning stove combustion method, the main burner of water-coal-slurry bottom combustion furnace enters in the combustion furnace and burns, and secondary chamber of burning and auxiliary jet are set in the combustion furnace side, and in combustion process, auxiliary jet sustained firing water-coal-slurry is carried out heat supplement to the main burner position.
Above-mentioned cool water mixture burning stove combustion method, the secondary cavity dumping setting of burning, auxiliary jet is aimed at main burner.
Aforesaid cool water mixture burning stove combustion method, the angle of inclination of burn secondary chamber and combustion furnace bottom surface are 10 ~ 60 degree.
Aforesaid cool water mixture burning stove combustion method, the angle of inclination of burn secondary chamber and combustion furnace bottom surface are 30 ~ 50 degree.
Cool water mixture burning stove burning structure comprises combustion furnace, and the combustion furnace bottom is provided with main burner, and secondary chamber of burning and auxiliary jet are set in the combustion furnace side, and auxiliary jet is aimed at the main burner position.
Above-mentioned cool water mixture burning stove burning structure, the secondary cavity dumping setting of burning, the angle of inclination of burn secondary chamber and combustion furnace bottom surface is 10 ~ 60 degree.
Aforesaid cool water mixture burning stove burning structure, the angle of inclination of burn secondary chamber and combustion furnace bottom surface are 30 ~ 50 degree.
The present invention is by auxiliary jet injection water coal slurry, and the burning back is carried out heat energy to the main burner position and replenished, and improves the heat of main burner position, makes that the burning of water-coal-slurry is more abundant.Chinese patent CN01249721.5 discloses a kind of combusting coal water slurry boiler, subsidiary combustion chamber and secondary water-coal-slurry spray gun are set in boiler, but its structure, principle and effect is all different with technical scheme disclosed by the invention.The present invention only needs in the side of body of heater one cavity to be set, and coal-water slurry nozzle is installed in the cavity is got final product, and is simple in structure, and it is convenient to transform.And characteristics of the present invention are in combustion process, and the injection water coal slurry that auxiliary jet continues heats the main burner position, replenish heat energy loss, reach the purpose of sufficient combustion.And the technical scheme of patent CN01249721.5 is just finished the process of an igniting, and the process of body of heater burning is not mentioned.
The method that the present invention has adopted cavity to be in tilted layout mainly is the aerodynamic field that solves in the stove hall, solves the burn-off rate of low-volatile coal fully.On the burning boiler that auxiliary jet is not set, low-volatile coal system water-coal-slurry burn-off rate can only reach 85%, and the burn-off rate of low-volatile coal system water-coal-slurry is more than 98% under the situation that is provided with the auxiliary jet burning that is in tilted layout.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
The specific embodiment
Embodiments of the invention 1.Cool water mixture burning stove burning structure as shown in Figure 1, is made combustion furnace 1, in the bottom of combustion furnace 1 main burner 2 is installed, and at secondary chamber 3 of combustion furnace 1 side install combustion and auxiliary jet 4, auxiliary jet 4 is aimed at main burner 2 positions.The secondary chamber 3 of burning is closed structure, replenishes air by combustion furnace 1 bottom.
Through test, the secondary chamber 3 of burning is obliquely installed, better effects if, and the angle of inclination of burn secondary chamber 3 and combustion furnace 1 bottom surface is 10 ~ 60 degree.
Better effect is, the angle of inclination of burn secondary chamber 3 and combustion furnace 1 bottom surface is 30 ~ 50 degree.
The course of work is as follows: water-coal-slurry enters burning in the combustion furnace 1 by the main burner 2 of combustion furnace 1 bottom, and at secondary chamber 3 of the burning of combustion furnace 1 side and auxiliary jet 4, in combustion process, auxiliary jet 4 sustained firing water-coal-slurry are carried out heat supplement to main burner 2 positions.
Embodiments of the invention 2.Cool water mixture burning stove burning structure is made combustion furnace 1, in the bottom of combustion furnace 1 main burner 2 is installed, and at secondary chamber 3 of combustion furnace 1 side install combustion and auxiliary jet 4, auxiliary jet 4 is aimed at main burner 2 positions.The burn angle of inclination of secondary chamber 3 and combustion furnace 1 bottom surface is 45 degree.
Embodiments of the invention 3.Cool water mixture burning stove burning structure is made combustion furnace 1, in the bottom of combustion furnace 1 main burner 2 is installed, and symmetry is installed 2 secondary chambeies 3 of burning and auxiliary jet 4 respectively in combustion furnace 1 side, and auxiliary jet 4 is aimed at main burner 2 positions.The burn angle of inclination of secondary chamber 3 and combustion furnace 1 bottom surface is 40 degree.
Claims (7)
1. cool water mixture burning stove combustion method, the main burner of water-coal-slurry bottom combustion furnace enters in the combustion furnace and burns, and it is characterized in that: secondary chamber of burning and auxiliary jet are set, in combustion process in the combustion furnace side, auxiliary jet sustained firing water-coal-slurry is carried out heat supplement to the main burner position.
2. cool water mixture burning stove combustion method according to claim 1 is characterized in that: the secondary cavity dumping setting of burning, auxiliary jet is aimed at main burner.
3. cool water mixture burning stove combustion method according to claim 2 is characterized in that: the angle of inclination of burn secondary chamber and combustion furnace bottom surface is 10 ~ 60 degree.
4. cool water mixture burning stove combustion method according to claim 3 is characterized in that: the angle of inclination of burn secondary chamber and combustion furnace bottom surface is 30 ~ 50 degree.
5. a cool water mixture burning stove burning structure that adopts each described method of claim 1 ~ 4 comprises combustion furnace, and the combustion furnace bottom is provided with main burner, it is characterized in that: secondary chamber of burning and auxiliary jet are set in the combustion furnace side, and auxiliary jet is aimed at the main burner position.
6. cool water mixture burning stove burning structure according to claim 5 is characterized in that: the secondary cavity dumping setting of burning, the angle of inclination of burn secondary chamber and combustion furnace bottom surface are 10 ~ 60 degree.
7. cool water mixture burning stove burning structure according to claim 6 is characterized in that: the angle of inclination of burn secondary chamber and combustion furnace bottom surface is 30 ~ 50 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102983930A CN101943404B (en) | 2010-09-30 | 2010-09-30 | Combustion method and structure for coal water slurry combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102983930A CN101943404B (en) | 2010-09-30 | 2010-09-30 | Combustion method and structure for coal water slurry combustion furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943404A true CN101943404A (en) | 2011-01-12 |
| CN101943404B CN101943404B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102983930A Expired - Fee Related CN101943404B (en) | 2010-09-30 | 2010-09-30 | Combustion method and structure for coal water slurry combustion furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN101943404B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941552A (en) * | 1974-10-29 | 1976-03-02 | Eric Charles Cottell | Burning water-in-oil emulsion containing pulverized coal |
| JPS5310610A (en) * | 1976-06-15 | 1978-01-31 | Convair Investments Ltd | Method of making fuel consisting of fine coal and water and oil dispersion |
| CN2519119Y (en) * | 2001-09-16 | 2002-10-30 | 湘潭金峰锅炉有限公司 | Coal-water fluid-fired boiler |
| CN1782493A (en) * | 2004-12-03 | 2006-06-07 | 唐艳芬 | Large space burning method of water coal slurry and its special device |
| CN200975684Y (en) * | 2006-11-13 | 2007-11-14 | 维恩克材料技术（北京）有限公司 | Coal water slurry combustion furance |
| CN101543737A (en) * | 2008-03-27 | 2009-09-30 | 深圳市神威得群能源科技发展有限公司 | Automatic quantitative control coal-water oil slurry mixer |
| CN201811223U (en) * | 2010-09-30 | 2011-04-27 | 贵阳超群实业有限公司 | Combustion structure for water-coal-slurry combustion furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539861U (en) * | 2009-10-21 | 2010-08-04 | 北京航天动力研究所 | Burner device of water-coal-slurry pressure gasification art with ignition device |
-
2010
- 2010-09-30 CN CN2010102983930A patent/CN101943404B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941552A (en) * | 1974-10-29 | 1976-03-02 | Eric Charles Cottell | Burning water-in-oil emulsion containing pulverized coal |
| JPS5310610A (en) * | 1976-06-15 | 1978-01-31 | Convair Investments Ltd | Method of making fuel consisting of fine coal and water and oil dispersion |
| CN2519119Y (en) * | 2001-09-16 | 2002-10-30 | 湘潭金峰锅炉有限公司 | Coal-water fluid-fired boiler |
| CN1782493A (en) * | 2004-12-03 | 2006-06-07 | 唐艳芬 | Large space burning method of water coal slurry and its special device |
| CN200975684Y (en) * | 2006-11-13 | 2007-11-14 | 维恩克材料技术（北京）有限公司 | Coal water slurry combustion furance |
| CN101543737A (en) * | 2008-03-27 | 2009-09-30 | 深圳市神威得群能源科技发展有限公司 | Automatic quantitative control coal-water oil slurry mixer |
| CN201811223U (en) * | 2010-09-30 | 2011-04-27 | 贵阳超群实业有限公司 | Combustion structure for water-coal-slurry combustion furnace |
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| Publication number | Publication date |
|---|---|
| CN101943404B (en) | 2012-07-04 |
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