CN101050855A - Plant powder type fuel boiler and its burning method - Google Patents
Plant powder type fuel boiler and its burning method Download PDFInfo
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- CN101050855A CN101050855A CN 200710011319 CN200710011319A CN101050855A CN 101050855 A CN101050855 A CN 101050855A CN 200710011319 CN200710011319 CN 200710011319 CN 200710011319 A CN200710011319 A CN 200710011319A CN 101050855 A CN101050855 A CN 101050855A
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Abstract
A fuel boiler of plant powder type is prepared for setting material feeding mouth and floss hole and ignition opening on furnace wall, arranging slag hole under furnace wall, fixing flue pipe guide wall on furnace wall in furnace body and setting said guide wall between floss hole and material feeding mouth in parallel to chain fire-grate, extending one end of material feeding pipe on fan into burning chamber and connecting another end of material feeding pipe on fan with external fan of furnace body and material feeding box as well as material feeding machine. Its burning method is also disclosed.
Description
Technical field:
The present invention relates to a kind ofly utilize plant such as stalk to be ground into behind the fine powder as the powdered fuel directly boiler and the combustion method thereof of burning.
Background technology:
The boiler main fuel is based on raw coal at present, because raw coal belongs to non-renewable resources, price is constantly soaring, and raw coal can produce polluters such as sulfur dioxide in combustion process, a large amount of solid residues is arranged after the burning, cause very big pollution, the control expense height, equipment investment is big, is seriously restricting the development of enterprise.Plants such as stalk hang down in the rural area stacking arbitrarily or burning at China's wide material sources because of its economic benefit, have a strong impact on traffic and contaminated environment.Crops such as use conventional boiler and combustion method employing stalk thereof act as a fuel, and its efficiency of combustion is low, can not satisfy required temperature and pressure, fails to promote the use of always.
Summary of the invention:
The present invention seeks to utilize conventional boiler and combustion method thereof in order to solve, act as a fuel with the plant that is ground into fine powdered, its efficiency of combustion is low, can not satisfy the technical problem of required temperature and pressure, and a kind of plant powder type fuel boiler and combustion method thereof are provided.Plant powder type fuel boiler, it comprises body of heater (1), in body of heater (1), be provided with traveling-grate stoker (5) near the bottom, combustion chamber, on body of heater (1) wall, be provided with charging aperture, floss hole and lighting-up tuyere, be provided with slag notch in body of heater (1) below, flue causes wall (2) to be fixed on the interior furnace wall of body of heater (1), between floss hole and charging aperture and parallel with traveling-grate stoker (5), one end of blower fan charging line (3) puts in the combustion chamber from described charging aperture, and the other end is connected with feeding box (8), feeder (7) by the outside blower fan (6) of body of heater (1).
Be provided with material spray control valve (4) at a described end that puts in the blower fan charging line (3) of combustion chamber, material spray control valve (4) links to each other with blower fan (6) by blower fan charging line (3); The slag notch of described body of heater (1) links to each other with spiral tapping machine (14), and spiral tapping machine (14) is installed in the grey slag bath at slag notch place of body of heater (1); Air-introduced machine (11) is connected on the floss hole and chimney (13) of body of heater (1) by flue (10); Carbonization ash gatherer (12) is installed in air-introduced machine (11) to the pipeline of chimney (13); Described traveling-grate stoker (5), blower fan (6), feeder (7), spiral tapping machine (14) and air-introduced machine (11) are respectively by its running of electric-motor drive.
The combustion method of plant powder type fuel boiler, realize as follows:
1) dried plant is crushed to 20～100 orders with pulverizer and acts as a fuel, put into hopper (9);
2) by variable-speed motor transmission feeder (7) powdered fuel quantitatively is transferred in the feeding box (8);
3) powdered fuel is borrowed the wind-force of blower fan (6), is sprayed onto in the burner hearth by blower fan charging line (3);
4) through the lighting-up tuyere igniting, make full combustion of fuel.
Characteristics of the present invention: efficient, energy-saving and environmental protection.
Powdered fuel is borrowed the wind-force of blower fan, be sprayed onto in the burner hearth by the blower fan charging line, (adjusting that also can install the material spray control valve additional can make powdered fuel fully be distributed in the burner hearth) is because the specific surface of powdered fuel is big, after blower fan and the adjusting of material spray control valve, can fully contact with airborne oxygen, powdered fuel is suspended in and aloft fully burns at once after the burner hearth internal upper part is lighted, and firepower is big, temperature is high, the flare fluctuation is little; By regulating the size of feeder fuel flow rate, can control the temperature and the steam pressure of boiler.
In combustion process, pollute little, the pollution control device that need not add, every work 24 hours is collected the carbonization ash once by traveling-grate stoker, carbonization ash gatherer.Solid after the burning is the raw material of industry such as fertilizer sources or metallurgy directly, does not produce secondary pollution.
Discarded plants such as dry crops (comprising the shell class) stalk are processed into Powdered acting as a fuel; waste material is made full use of; can turn waste into wealth; can improve the added value of product of crops again; increase farmers' income; simultaneously can solve problems such as energy crisis and environmental pollution, have higher economy and social benefit.
Description of drawings:
The structural representation of Fig. 1 plant powder type fuel boiler.
Fig. 2 is the another embodiment of the invention structural representation.
The specific embodiment:
Referring to Fig. 1,2, plant powder type fuel boiler, it comprises body of heater 1, in body of heater 1, be provided with traveling-grate stoker 5 near the bottom, combustion chamber, on body of heater 1 wall, be provided with charging aperture, floss hole and lighting-up tuyere, below body of heater 1, be provided with slag notch, flue causes wall 2 to be fixed on the furnace wall in the body of heater 1, between floss hole and charging aperture and parallel with traveling-grate stoker 5, one end of blower fan charging line 3 puts in the combustion chamber from described charging aperture, and the other end is connected with feeding box 8, feeder 7 by the blower fan 6 of body of heater 1 outside.
One end of the blower fan charging line 3 in putting in the combustion chamber is provided with material spray control valve 4, and material spray control valve 4 links to each other with blower fan 6 by blower fan charging line 3.
The slag notch of body of heater 1 links to each other with spiral tapping machine 14, and mucking machine 14 is installed in the grey slag bath at slag notch place of body of heater 1; Air-introduced machine 11 is connected on the floss hole and chimney 13 of body of heater 1 by flue 10; Carbonization ash gatherer 12 is installed in air-introduced machine 11 to the pipeline of chimney 13.
Described traveling-grate stoker 5, blower fan 6, feeder 7, spiral tapping machine 14 and air-introduced machine 11 are respectively by its running of electric-motor drive.
The combustion method of plant powder type fuel boiler, realize as follows:
1) dried plant is crushed to 20～100 orders with pulverizer and acts as a fuel, put into hopper 9;
2) by variable-speed motor transmission feeder 7 powdered fuel quantitatively is transferred in the feeding box 8;
3) powdered fuel is borrowed the wind-force of blower fan 6, is sprayed onto in the burner hearth by blower fan charging line 3;
4) through the lighting-up tuyere igniting, make full combustion of fuel.
Embodiment 1, referring to Fig. 1, plant powder type fuel boiler, it comprises body of heater 1, in body of heater 1, be provided with traveling-grate stoker 5 near the bottom, combustion chamber, on body of heater 1 wall, be provided with charging aperture, floss hole and lighting-up tuyere, below body of heater 1, be provided with slag notch, flue causes wall 2 to be fixed on the furnace wall in the body of heater 1, between floss hole and charging aperture and parallel with traveling-grate stoker 5, one end of blower fan charging line 3 puts in the combustion chamber from described charging aperture, the other end is by the blower fan 6 and feeding box 8 of body of heater 1 outside, feeder 7 connects, and feeder 7 is to drive spiral screw feeder bar by buncher to be connected with hopper 9, and powdered fuel quantitatively is transferred in the feeding box 8; The slag notch of body of heater 1 links to each other with spiral tapping machine 14, and mucking machine 14 is installed in the grey slag bath at slag notch place of body of heater 1; Air-introduced machine 11 is connected on the floss hole and chimney 13 of body of heater 1 by flue 10; Carbonization ash gatherer 12 is installed in air-introduced machine 11 to the pipeline of chimney 13.Traveling-grate stoker 5, blower fan 6, feeder 7, spiral tapping machine 14 and air-introduced machine 11 are respectively by its running of electric-motor drive.
Also can be provided with material spray control valve 4 at a described end that puts in the blower fan charging line 3 in the combustion chamber, material spray control valve 4 links to each other with blower fan 6 by blower fan charging line 3.
The realization of the combustion method of plant powder type fuel boiler is: 1) dried plant is crushed to 20～100 orders with pulverizer and acts as a fuel, put into hopper 9; 2) be connected with hopper 9 by variable-speed motor drving sprial screw feeder rod-type feeder 7, powdered fuel quantitatively is transferred in the feeding box (8); 3) powdered fuel is borrowed the wind-force of blower fan 6, is sprayed onto in the burner hearth by blower fan charging line 3; 4) through the lighting-up tuyere igniting, make full combustion of fuel.
If blower fan charging line 3 ports are equipped with material spray control valve 4, adjusting by material spray control valve 4 can make powdered fuel fully be distributed in the burner hearth again, because the specific surface of powdered fuel is big, fully contact with airborne oxygen, powdered fuel be suspended in the burner hearth internal upper part light after fully burning at once aloft, firepower is big, temperature is high, flare fluctuation is little, can control the temperature and the steam pressure of boiler by adjustable screw feeder 7.Only need every work to pass through traveling-grate stoker, carbonization ash gatherer 12 collection carbonization ashes in 24 hours once.
Also can be provided with material spray control valve 4 at a described end that puts in the blower fan charging line 3 in the combustion chamber, material spray control valve 4 links to each other with blower fan 6 by blower fan charging line 3.
The realization of the combustion method of plant powder type fuel boiler is: 1) dried plant is crushed to 20～100 orders with pulverizer and acts as a fuel, put into hopper 9; 2) feeder 7 by variable-speed motor driving conveyer belt mode is connected with hopper 9, and powdered fuel quantitatively is transferred in the feeding box (8); 3) powdered fuel is borrowed the wind-force of blower fan 6, is sprayed onto in the burner hearth by blower fan charging line 3; 4) through the lighting-up tuyere igniting, make full combustion of fuel.
If blower fan charging line 3 ports are equipped with material spray control valve 4, adjusting by material spray control valve 4 can make powdered fuel fully be distributed in the burner hearth again, because the specific surface of powdered fuel is big, fully contact with airborne oxygen, powdered fuel is suspended in and aloft fully burns at once after the burner hearth internal upper part is lighted, and firepower is big, temperature is high, the flare fluctuation is little, can control the temperature and the steam pressure of boiler by regulating feeder 7.Only need every work to pass through traveling-grate stoker, carbonization ash gatherer 12 collection carbonization ashes in 24 hours once.
The foregoing description 1 or 2 all is suitable for and utilizes crops (comprising the shell class) stalk plant etc. to be crushed to 20～100 orders with pulverizer and to act as a fuel, and has great economic benefit:
When pulverized fuel during at 20～40 orders average every 1300kg pulverized fuel fuel value can support 7000 kilocalorie coal combustion 1000kg, with 4 tons of boilers is that example is calculated: 6 tons/day of coal-fired consumptions, coal-fired 400 yuan/ton, 2400 yuan/day of fuel costs: 7.8 tons/day of pulverized fuel consumptions, pulverized fuel is 120/ ton, 936 yuan/day of fuel costs, 4 tons of boilers change the burning pulverized fuel by fire coal, and annual calculating with 300 days can be saved 440,000 yuan;
When pulverized fuel during at 40～60 orders average every 1000kg pulverized fuel fuel value can support 7000 kilocalorie coal combustion 1000kg, with 4 tons of boilers is that example is calculated: 6 tons/day of coal-fired consumptions, coal-fired 400 yuan/ton, 2400 yuan/day of fuel costs: 6 tons/day of pulverized fuel consumptions, pulverized fuel is 130/ ton, 780 yuan/day of fuel costs, 4 tons of boilers change the burning pulverized fuel by fire coal, and annual calculating with 300 days can be saved 480,000 yuan;
When pulverized fuel during at 60～100 orders average every 800kg pulverized fuel fuel value can support 7000 kilocalorie coal combustion 1000kg, with 4 tons of boilers is that example is calculated: 6 tons/day of coal-fired consumptions, coal-fired 400 yuan/ton, 2400 yuan/day of fuel costs: 4.8 tons/day of pulverized fuel consumptions, pulverized fuel is 160/ ton, 768 yuan/day of fuel costs, 4 tons of boilers change the burning pulverized fuel by fire coal, and annual calculating with 300 days can be saved 490,000 yuan.
Claims (9)
1, plant powder type fuel boiler, it comprises body of heater (1), in body of heater (1), be provided with traveling-grate stoker (5) near the bottom, combustion chamber, on body of heater (1) wall, be provided with charging aperture, floss hole and lighting-up tuyere, be provided with slag notch in body of heater (1) below, flue causes wall (2) to be fixed on the interior furnace wall of body of heater (1), between floss hole and charging aperture and parallel with traveling-grate stoker (5), it is characterized in that: an end of blower fan charging line (3) puts in the combustion chamber from described charging aperture, and the other end is by body of heater (1) outside blower fan (6) and feeding box (8), feeder (7) connects.
2, plant powder type fuel boiler according to claim 1, it is characterized in that: be provided with material spray control valve (4) at a described end that puts in the blower fan charging line (3) in the combustion chamber, material spray control valve (4) links to each other with blower fan (6) by blower fan charging line (3).
3, plant powder type fuel boiler according to claim 1 and 2 is characterized in that: described feeder (7) is to drive spiral screw feeder bar by buncher to be connected with hopper (9).
4, plant powder type fuel boiler according to claim 1 and 2 is characterized in that: described feeder (7) is to drive conveyer belt by variable-speed motor to be connected with hopper (9).
5, plant powder type fuel boiler according to claim 1 and 2 is characterized in that: the slag notch of described body of heater (1) links to each other with spiral tapping machine (14), and mucking machine (14) is installed in the grey slag bath at slag notch place, combustion chamber; Air-introduced machine (11) is connected on the floss hole and chimney (13) of body of heater (1) by flue (10); Carbonization ash gatherer (12) is installed in air-introduced machine (11) to the pipeline of chimney (13).
6, plant powder type fuel boiler according to claim 5 is characterized in that: described traveling-grate stoker (5), blower fan (6), feeder (7), spiral tapping machine (14) and air-introduced machine (11) are respectively by its running of electric-motor drive.
7, the combustion method of plant powder type fuel boiler as claimed in claim 1, realize as follows:
1) dried plant is crushed to 20～100 orders with pulverizer and acts as a fuel, put into hopper (9);
2) by variable-speed motor transmission feeder (7) powdered fuel quantitatively is transferred in the feeding box 8;
3) powdered fuel is borrowed the wind-force of blower fan (6), is sprayed onto in the burner hearth by blower fan charging line (3);
4) through the lighting-up tuyere igniting, make full combustion of fuel.
8, the combustion method of plant powder type fuel boiler according to claim 7, realize as follows:
1) dried plant is crushed to 20～100 orders with pulverizer and acts as a fuel, put into hopper (9);
2) drive spiral screw feeder rod-type feeder (7) by variable-speed motor, powdered fuel quantitatively is transferred in the feeding box (8);
3) powdered fuel is borrowed the wind-force of blower fan (6), is sprayed onto in the burner hearth by blower fan charging line (3);
4) through the lighting-up tuyere igniting, make full combustion of fuel.
9, the combustion method of plant powder type fuel boiler according to claim 7, realize as follows:
1) dried plant is crushed to 20～100 orders with pulverizer and acts as a fuel, put into hopper (9);
2) by the feeder (7) of speed governing driving conveyer belt type, powdered fuel quantitatively is transferred in the feeding box (8);
3) powdered fuel is borrowed the wind-force of blower fan (6), is sprayed onto in the burner hearth by blower fan charging line (3);
4) through the lighting-up tuyere igniting, make full combustion of fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100113194A CN101050855B (en) | 2007-05-17 | 2007-05-17 | Plant powder type fuel boiler and its burning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100113194A CN101050855B (en) | 2007-05-17 | 2007-05-17 | Plant powder type fuel boiler and its burning method |
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| Publication Number | Publication Date |
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| CN101050855A true CN101050855A (en) | 2007-10-10 |
| CN101050855B CN101050855B (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100113194A Expired - Fee Related CN101050855B (en) | 2007-05-17 | 2007-05-17 | Plant powder type fuel boiler and its burning method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900345A (en) * | 2010-07-14 | 2010-12-01 | 西安银星节能科技有限公司 | Combustion technology of biomass fuel |
| CN102954482A (en) * | 2011-08-18 | 2013-03-06 | 苏州市宏达集团有限公司 | Method for directly using power generation biomass fuel and device implementing method |
| CN103134056A (en) * | 2013-02-28 | 2013-06-05 | 潍坊金丝达环境工程股份有限公司 | Powder combustible material combustion fire grate |
| CN105431264A (en) * | 2013-08-09 | 2016-03-23 | 萨克米伊莫拉机械合作社合作公司 | A method and a device for reducing lateral powder waste of a layer of powder advancing on a mobile conveyor surface |
| CN111336523A (en) * | 2020-03-05 | 2020-06-26 | 贵州工程应用技术学院 | Harmless incineration device for garbage |
| CN112413631A (en) * | 2020-11-06 | 2021-02-26 | 西安力元炉窑自动化设备有限公司 | Biomass combustion method for kiln |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3865053A (en) * | 1974-04-17 | 1975-02-11 | Bruce Alan Kolze | Particulate waste product firing system |
| US4589353A (en) * | 1985-01-29 | 1986-05-20 | Combustion Engineering, Inc. | Wood burning furnace |
| US5279234A (en) * | 1992-10-05 | 1994-01-18 | Chiptec Wood Energy Systems | Controlled clean-emission biomass gasification heating system/method |
| CN1195173C (en) * | 2003-08-21 | 2005-03-30 | 上海交通大学 | Low nitrogen oxide biomass boiler with variable furnace arch structure |
| CN2744943Y (en) * | 2004-10-22 | 2005-12-07 | 陈伟 | Powder combustion machine |
| CN2807006Y (en) * | 2005-03-31 | 2006-08-16 | 李建胜 | Horizontal boiler with rice hull as combustion raw material |
| CN201034323Y (en) * | 2007-05-17 | 2008-03-12 | 陈强 | Plant powder type fuel boiler |
-
2007
- 2007-05-17 CN CN2007100113194A patent/CN101050855B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900345A (en) * | 2010-07-14 | 2010-12-01 | 西安银星节能科技有限公司 | Combustion technology of biomass fuel |
| CN102954482A (en) * | 2011-08-18 | 2013-03-06 | 苏州市宏达集团有限公司 | Method for directly using power generation biomass fuel and device implementing method |
| CN103134056A (en) * | 2013-02-28 | 2013-06-05 | 潍坊金丝达环境工程股份有限公司 | Powder combustible material combustion fire grate |
| CN103134056B (en) * | 2013-02-28 | 2015-05-20 | 潍坊金丝达环境工程股份有限公司 | Powder combustible material combustion fire grate |
| CN105431264A (en) * | 2013-08-09 | 2016-03-23 | 萨克米伊莫拉机械合作社合作公司 | A method and a device for reducing lateral powder waste of a layer of powder advancing on a mobile conveyor surface |
| CN105431264B (en) * | 2013-08-09 | 2018-06-05 | 萨克米伊莫拉机械合作社合作公司 | For reducing the method and device of the lateral powder discarded object of the powder bed to advance in mobile conveyor surface |
| CN111336523A (en) * | 2020-03-05 | 2020-06-26 | 贵州工程应用技术学院 | Harmless incineration device for garbage |
| CN111336523B (en) * | 2020-03-05 | 2022-02-01 | 贵州工程应用技术学院 | Harmless incineration device for garbage |
| CN112413631A (en) * | 2020-11-06 | 2021-02-26 | 西安力元炉窑自动化设备有限公司 | Biomass combustion method for kiln |
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| CN101050855B (en) | 2010-04-21 |
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Granted publication date: 20100421 Termination date: 20170517 |