CN201269626Y - Dustless and smokeless coal-fired boiler - Google Patents
Dustless and smokeless coal-fired boiler Download PDFInfo
- Publication number
- CN201269626Y CN201269626Y CNU2008201491462U CN200820149146U CN201269626Y CN 201269626 Y CN201269626 Y CN 201269626Y CN U2008201491462 U CNU2008201491462 U CN U2008201491462U CN 200820149146 U CN200820149146 U CN 200820149146U CN 201269626 Y CN201269626 Y CN 201269626Y
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- China
- Prior art keywords
- flue
- damper
- dustless
- burner hearth
- wall
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Abstract
The utility model discloses a dustless and smokeless fire coal boiler, comprising a boiler body. A hearth is arranged in the boiler body, the outer wall of the boiler body with the inner wall of the hearth forms a water tank of the boiler. The top of the hearth is provided with a chimney and the bottom is provided with a grate. The boiler body is provided with a coal inlet mouth that extends into the hearth. The upper part on the outer wall of the boiler body is provided with a hot water mouth and the lower part is provided with a cold water mouth. In the hearth, a first flue damper and a second flue damper are arranged in parallel. The upper part of the first flue damper is provided with a first exhaust gas outlet, the lower part of the second flue damper is provided with a second exhaust gas outlet, the first flue damper and the second flue damper form a first flue; and the second flue damper and the inner wall of the hearth form a second flue. The chimney is arranged on top of the hearth far away from the coal inlet mouth. With flue gas passing through a rotary flue, the fire coal boiler has high heat efficiency, small dust content and smoke content in the exhaust gas and simple structure, and is suitable for popularization.
Description
Technical field
The utility model relates to a kind of boiler, relates 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 as Chinese patent, open day is on April 21st, 2004, 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 by the low-temperature energy-saving device is set on back-end ductwork,, there is no 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 and to contain the cigarette amount bigger.Chinese patent number is CN1719102A separately, open day on January 11st, 2006, denomination of invention is " an environmental protection coal-fired hot-water boiler ", this invention comprises the combustion chamber, fireworks channel and flue, the combustion chamber has one to go up main chamber and a following auxiliary combustion chamber, have horizontal last fireworks channel and following fireworks channel, of the present utility model owing to adopt two combustion chambers and two flues, ratio of combustion is more abundant, 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, from dust-laying effect is reduced, and the utility model complex structure is unfavorable for promoting.Chinese patent is number CN1648546A separately, separate day is on August 3rd, 2005, 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 ", comprise 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 going up and is divided into bilevel upper combustion chamber and lower combustion chamber and places within the bottom of vertical boiler body, though the utility model sufficient combustion, thermal efficiency height, flue dust can be separated with flue gas, but 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, the manufacturing cost height 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, simultaneously the dustiness in the flue gas of Pai Chuing and to contain the cigarette amount also higher.
Summary of the invention
The purpose of this utility model 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 utility model can be achieved through the following technical solutions:
A kind of dustless and smokeless coal burning boiler, comprise body of heater, establish burner hearth in the body of heater, furnace body outer wall and inboard wall of burner hearth form the water tank of boiler, roof of the furnace is established chimney, fire grate is established in the bottom, establish 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, 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, 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, also are provided with grey cinder notch on the body of heater of fire grate bottom, coal enters 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 utility model is parallel first damper and second damper of being provided with in burner hearth, establish first exhanst gas outlet on the first damper top, establish second exhanst gas outlet in the second damper bottom, first damper and second damper constitute first flue, second damper and inboard wall of burner hearth constitute second flue, 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, then in second exhanst gas outlet enters second flue, 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, and imperfect combustion composition in dedusting at high temperature can fully burn flue gas through first flue and second cigarette, thereby improves the thermal efficiency.The utility model thermal efficiency height, the dust content of discharge and to contain the cigarette amount little, simple in structure is fit to promote.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
A kind of as shown in drawings dustless and smokeless coal burning boiler, comprise body of heater 1, establish burner hearth 4 in the body of heater, 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 and second damper 10 and form first flue at hearth wall, second damper 10 and inboard wall of burner hearth form second flue, chimney 7 is located at the top of second flue, furnace body outer wall and inboard wall of burner hearth form the water tank of boiler, burner hearth bottom is established stove, on the body of heater of fire grate bottom, also be provided with grey cinder notch 6, establish coal feed point 2 on the body of heater, coal feed point 2 extend in the burner hearth, 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, the area of second flue is greater than the area of first flue, on chimney 7, establish flue-gas treater 8, bottom at body of heater also is provided with dedusting mouth 13, also be provided with the cover plate of band handle on the dedusting mouth, coal enters burner hearth from coal feed point, wind is blown into burner hearth from grey cinder notch through fire grate, regularly fire grate 5 following lime-ash are 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.
The utility model can also be established air inlet 3 below coal feed point 2, increase to be blown into the air capacity of burner hearth, thereby make the interior coal combustion of burner hearth more abundant.
Flue-gas treater is located at the interior better effects if of burner hearth of chimney bottom in the utility model.
Operation principle of the present utility model is as follows: coal is sent into burner hearth from coal feed point, 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, then in second exhanst gas outlet enters second flue, 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, and imperfect combustion composition in dedusting at high temperature can fully burn flue gas through first flue and second cigarette, thereby improves the thermal efficiency.
Claims (6)
1, a kind of dustless and smokeless coal burning boiler, 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, roof of the furnace is established chimney (7), 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, 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, chimney (7) is located at the roof of the furnace away from coal feed point (2), also is provided with grey cinder notch (6) on the body of heater of fire grate bottom.
2, dustless and smokeless coal burning boiler according to claim 1 is characterized in that: also be provided with air inlet (3) below coal feed point.
3, dustless and smokeless coal burning boiler according to claim 2 is characterized in that: the area of second flue is greater than the area of first flue.
4, dustless and smokeless coal burning boiler according to claim 3 is characterized in that: establish flue-gas treater (8) on chimney.
5, dustless and smokeless coal burning boiler according to claim 3 is characterized in that: in the burner hearth of chimney bottom flue-gas treater is set.
6, according to claim 4 or 5 described dustless and smokeless coal burning boilers, it is characterized in that: be provided with dedusting mouth (13) on the body of heater of the second flue bottom, the dedusting mouth is provided with the cover plate of band handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201491462U CN201269626Y (en) | 2008-09-10 | 2008-09-10 | Dustless and smokeless coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201491462U CN201269626Y (en) | 2008-09-10 | 2008-09-10 | Dustless and smokeless coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269626Y true CN201269626Y (en) | 2009-07-08 |
Family
ID=40842229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201491462U Expired - Lifetime CN201269626Y (en) | 2008-09-10 | 2008-09-10 | Dustless and smokeless coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201269626Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672522B (en) * | 2008-09-10 | 2012-07-25 | 李学滨 | Dustless and smokeless coal burning boiler |
-
2008
- 2008-09-10 CN CNU2008201491462U patent/CN201269626Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672522B (en) * | 2008-09-10 | 2012-07-25 | 李学滨 | Dustless and smokeless coal burning boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090708 Effective date of abandoning: 20080910 |