CN101672522B - Dustless and smokeless coal burning boiler - Google Patents
Dustless and smokeless coal burning boiler Download PDFInfo
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- CN101672522B CN101672522B CN2008101413330A CN200810141333A CN101672522B CN 101672522 B CN101672522 B CN 101672522B CN 2008101413330 A CN2008101413330 A CN 2008101413330A CN 200810141333 A CN200810141333 A CN 200810141333A CN 101672522 B CN101672522 B CN 101672522B
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Abstract
The invention discloses a dustless and smokeless coal burning boiler, which comprises a boiler body, wherein a hearth is arranged in the boiler body; the outer wall of the boiler body and the inner wall of the hearth form a water box of a boiler; the top of the hearth is provided with a chimney, and the bottom thereof is provided with a grate; the boiler body is provided with a coal inlet which extends into the hearth; the upper part of the outer wall of the boiler body is provided with a hot water port, and the lower part of the outer wall of the boiler body is provided with a cold water port; a first flue baffle and a second flue baffle are arranged in the hearth in parallel; the upper part of the first flue baffle is provided with a first flue gas outlet; the lower part of the second flue baffle is provided with a second flue gas outlet; the first flue baffle and the second flue baffle form a first flue; the second flue baffle and the inner wall of the hearth form a second flue; and the chimney is arranged on the top of the hearth away from the coal inlet. The flue gas passes through a rotation flue, so the dustless and smokeless coal burning boiler has high thermal efficiency, small dust content and smoke content of exhausted flue gas and a simple structure, and is suitable for popularization.
Description
Technical field
The present invention relates to a kind of boiler, relate to a kind of boiler of normal pressure environmental protection specifically.
Background technology
Coal-burning boiler is that a kind of common coal that utilizes provides the device of hot water for people as the energy.The kind of coal-burning boiler is more in the market.Separate number CN1490576A like Chinese patent, open day is on April 21st, 2004, and denomination of invention is " high-efficiency cryogenic exhausting coal-fired hot-water boiler "; This invention is on the basis of conventional temperature coal-fired hot-water boiler; Realize improving the purpose of boiler efficiency through the low-temperature energy-saving device is set on back-end ductwork,, do not have improvement in the burner hearth owing to the low-temperature energy-saving device is set at afterbody; Fuel fail completing combustion, the thermal efficiency of boiler improve limited and the flue gas of discharging in dustiness with to contain the cigarette amount bigger.Chinese patent number is CN1719102A separately, and in open day on January 11st, 2006, denomination of invention is " an environmental protection coal-fired hot-water boiler "; This invention comprises combustion chamber, fireworks channel and flue, and the combustion chamber has one to go up main chamber and a following auxiliary combustion chamber, has horizontal last fireworks channel and following fireworks channel; Of the present invention ratio of combustion is more abundant owing to adopt two combustion chambers and two flues, and two flues are that laterally revolution utilizes the dust landing; But because flue is that laterally revolution is provided with; The speed of flue gas reduces less relatively, reduce from making dust-laying effect, and complex structure of the present invention is unfavorable for promoting.Chinese patent is number CN1648546A separately; Separate day is on August 3rd, 2005, and denomination of invention is " the energy-conservation oil gas coal of a kind of smoke abatement and dust control is used the fuel normal-pressure hot-water boiler more ", comprises horizontal coal-fired chamber and vertical boiler body; Horizontal combustion chamber is made up of with the double furnace wall of vertical boiler body overlap joint double furnace wall and is ganged up the water tank that forms boiler mutually; Horizontal combustion chamber is divided into bilevel upper combustion chamber and the lower combustion chamber of attending and is divided into bilevel upper combustion chamber and lower combustion chamber and places within the bottom of vertical boiler body, though the present invention's sufficient combustion, the thermal efficiency are high, flue dust can be separated with flue gas, flue is a straight way; Being unfavorable for that imperfect combustion composition fully burns also is unfavorable for simultaneously the dust in flue gas landing; And complex structure, manufacturing cost is high, is difficult to promote.Existing in sum coal-burning boiler discharge flue is straight way or horizontal bend; The speed of flue gas in flue reduces slower; Being unfavorable for that imperfect combustion composition in the flue gas fully burns also is unfavorable for the dust in flue gas landing simultaneously; Thereby reduced the thermal efficiency of boiler, the dustiness in the flue gas of discharging simultaneously is with to contain the cigarette amount also higher.
Summary of the invention
The object of the invention just is to overcome above-mentioned deficiency a kind of dustless and smokeless coal burning boiler is provided, and has solved that the thermal efficiency is low, dustiness and contain the big technical problem of cigarette amount in the flue gas.
Technical problem of the present invention can realize through following technical scheme:
A kind of dustless and smokeless coal burning boiler comprises body of heater, establishes burner hearth in the body of heater, and furnace body outer wall and inboard wall of burner hearth form the water tank of boiler; Roof of the furnace is established chimney, and fire grate is established in the bottom, establishes coal feed point on the body of heater; Coal feed point extend in the burner hearth, and the hot water mouth is established on furnace body outer wall top, and cold water outlet is established in the furnace body outer wall bottom; Parallel first damper and second damper of being provided with established first exhanst gas outlet on the first damper top in burner hearth, establishes second exhanst gas outlet in the second damper bottom; First damper and second damper constitute first flue, and second damper and inboard wall of burner hearth constitute second flue, and chimney is located at the roof of the furnace away from coal feed point; On the body of heater of fire grate bottom, also be provided with grey cinder notch, coal gets into burner hearth from coal feed point, and wind is blown into burner hearth from grey cinder notch through fire grate.
Above-mentioned dustless and smokeless coal burning boiler also is provided with air inlet below coal feed point, increase to be blown into the air capacity of burner hearth, thereby make the interior coal combustion of burner hearth more abundant.
Above-mentioned dustless and smokeless coal burning boiler, the area of second flue is greater than the area of first flue.
Above-mentioned dustless and smokeless coal burning boiler is established flue-gas treater on chimney.
Above-mentioned dustless and smokeless coal burning boiler is provided with flue-gas treater in the burner hearth of chimney bottom.
Above-mentioned dustless and smokeless coal burning boiler is provided with the dust mouth on the body of heater of the second flue bottom, the dedusting mouth is provided with the cover plate of band handle, regularly opens the dust of landing in the cover plate palace gate flue and clears up away from the dedusting mouth.
The present invention is parallel first damper and second damper of being provided with in burner hearth, establishes first exhanst gas outlet on the first damper top, establishes second exhanst gas outlet in the second damper bottom; First damper and second damper constitute first flue, and second damper and inboard wall of burner hearth constitute second flue, and chimney is located at the roof of the furnace away from coal feed point; Flue gas through first exhanst gas outlet in first flue vertically downward; Flue dust lands under the self gravitation effect in the flue gas, gets in second flue through second exhanst gas outlet then, because the area of second flue is greater than the first flue area; The speed of flue gas is hurried decline in second flue; Dedusting once more in second flue in the flue gas, because exhaust gases passes is located in the burner hearth, temperature is higher in the burner hearth; Flue gas at high temperature can fully burn through first flue and second cigarette imperfect combustion composition in dedusting, thereby improves the thermal efficiency.The thermal efficiency of the present invention is high, and the dust content of discharge is fit to promote with to contain the cigarette amount little, simple in structure.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
The specific embodiment
Like a kind of dustless and smokeless coal burning boiler shown in the drawings, comprise body of heater 1, establish burner hearth 4 in the body of heater; Furnace body outer wall and inboard wall of burner hearth form the water tank of boiler, and roof of the furnace is established chimney 7, and fire grate 5 is established in the bottom; Establish coal feed point 2 on the body of heater, coal feed point 2 extend in the burner hearth, and hot water mouth 9 is established on furnace body outer wall top; Cold water outlet 12 is established in the furnace body outer wall bottom, and parallel first damper 11 and second damper 10 of being provided with established first exhanst gas outlet 14 on the first damper top in burner hearth; Establish second exhanst gas outlet, 15, the first dampers 11 and second damper 10 in the second damper bottom and form first flue at hearth wall, second damper 10 forms second flue with inboard wall of burner hearth; Chimney is located at the roof of the furnace away from coal feed point, and the area of second flue also is provided with grey cinder notch 6 greater than the area of first flue on the body of heater of fire grate bottom; On chimney 7, establish flue-gas treater 8, also be provided with dedusting mouth 13, also be provided with the cover plate of band handle on the dedusting mouth in the bottom of body of heater; Coal gets into burner hearth 4 from coal feed point 2, and wind is blown into burner hearth from grey cinder notch 6 through fire grate 5, regularly fire grate 5 following lime-ash is cleared up away from grey cinder notch 6; Keep the interior air intake of burner hearth smooth and easy, the dust that lands in the flue can regularly be opened cover plate and clear up away from the dedusting mouth.
Can also on the body of heater of coal feed point 2 bottoms, establish air inlet 3 among the present invention, increase intake in the burner hearth, thereby make the interior coal combustion of burner hearth more abundant.
Flue-gas treater of the present invention is located at the interior better effects if of burner hearth of chimney bottom.
Operation principle of the present invention is following: coal is sent into burner hearth from coal feed point, and igniting takes fire, flue gas through first exhanst gas outlet in first flue vertically downward; Flue dust lands under the self gravitation effect in the flue gas, gets in second flue through second exhanst gas outlet then, because the area of second flue is greater than the first flue area; The speed of flue gas is hurried decline in second flue; Dedusting once more in second flue in the flue gas, because exhaust gases passes is located in the burner hearth, temperature is higher in the burner hearth; Flue gas at high temperature can fully burn through first flue and second cigarette imperfect combustion composition in dedusting, thereby improves the thermal efficiency.
Claims (5)
1. a dustless and smokeless coal burning boiler comprises body of heater (1), establishes burner hearth (4) in the body of heater; Furnace body outer wall and inboard wall of burner hearth form the water tank of boiler, and roof of the furnace is established chimney (7), and fire grate (5) is established in the bottom; Establish coal feed point (2) on the body of heater, coal feed point extend in the burner hearth, and hot water mouth (9) is established on furnace body outer wall top; Cold water outlet (12) is established in the furnace body outer wall bottom, it is characterized in that: parallel first damper (11) and second damper (10) of being provided with in burner hearth, establish first exhanst gas outlet (14) on the first damper top; Establish second exhanst gas outlet (15) in the second damper bottom; First damper (11) constitutes first flue with second damper (10), and second damper (10) and inboard wall of burner hearth form second flue, and chimney (7) is located at the roof of the furnace away from coal feed point (2); On the body of heater of fire grate bottom, also be provided with grey cinder notch (6), below coal feed point, also be provided with air inlet (3).
2. dustless and smokeless coal burning boiler according to claim 1 is characterized in that: the area of second flue is greater than the area of first flue.
3. dustless and smokeless coal burning boiler according to claim 2 is characterized in that: on chimney, establish flue-gas treater (8).
4. dustless and smokeless coal burning boiler according to claim 2 is characterized in that: in the burner hearth of chimney bottom, flue-gas treater is set.
5. according to claim 3 or 4 described dustless and smokeless coal burning boilers, it is characterized in that: on the body of heater of the second flue bottom, be provided with dedusting mouth (13), the dedusting mouth is provided with the cover plate lid of band handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101413330A CN101672522B (en) | 2008-09-10 | 2008-09-10 | Dustless and smokeless coal burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101413330A CN101672522B (en) | 2008-09-10 | 2008-09-10 | Dustless and smokeless coal burning boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101672522A CN101672522A (en) | 2010-03-17 |
| CN101672522B true CN101672522B (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101413330A Active CN101672522B (en) | 2008-09-10 | 2008-09-10 | Dustless and smokeless coal burning boiler |
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| Country | Link |
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| CN (1) | CN101672522B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142020B (en) * | 2014-06-20 | 2016-11-16 | 李婧 | A kind of compact multi-level heats temperature automatically controlled power economized boiler |
| CN107355773B (en) * | 2017-07-17 | 2024-05-31 | 浙江天翔环保设备有限公司 | Boiler convenient for feeding coal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470751Y (en) * | 2001-02-26 | 2002-01-09 | 孙德全 | Coal-burning boiler |
| CN2488003Y (en) * | 2001-02-27 | 2002-04-24 | 天津宝成集团有限公司 | Boiler |
| CN2494493Y (en) * | 2001-06-28 | 2002-06-05 | 陈以原 | Fixed fire bed boiler |
| CN2505766Y (en) * | 2001-06-14 | 2002-08-14 | 牡丹江市汇通型煤锅炉厂 | Water-tube honeycomb briquette boiler |
| WO2003069238A1 (en) * | 2002-02-18 | 2003-08-21 | Conematic Heating Systems Inc | Heating system for liquids |
| CN201269626Y (en) * | 2008-09-10 | 2009-07-08 | 李学滨 | Dustless and smokeless coal-fired boiler |
-
2008
- 2008-09-10 CN CN2008101413330A patent/CN101672522B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470751Y (en) * | 2001-02-26 | 2002-01-09 | 孙德全 | Coal-burning boiler |
| CN2488003Y (en) * | 2001-02-27 | 2002-04-24 | 天津宝成集团有限公司 | Boiler |
| CN2505766Y (en) * | 2001-06-14 | 2002-08-14 | 牡丹江市汇通型煤锅炉厂 | Water-tube honeycomb briquette boiler |
| CN2494493Y (en) * | 2001-06-28 | 2002-06-05 | 陈以原 | Fixed fire bed boiler |
| WO2003069238A1 (en) * | 2002-02-18 | 2003-08-21 | Conematic Heating Systems Inc | Heating system for liquids |
| CN201269626Y (en) * | 2008-09-10 | 2009-07-08 | 李学滨 | Dustless and smokeless coal-fired boiler |
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| Publication number | Publication date |
|---|---|
| CN101672522A (en) | 2010-03-17 |
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