CN202024466U - Secondary soft coal boiler combusting biomass solid formed fuel - Google Patents
Secondary soft coal boiler combusting biomass solid formed fuel Download PDFInfo
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- CN202024466U CN202024466U CN2011200489128U CN201120048912U CN202024466U CN 202024466 U CN202024466 U CN 202024466U CN 2011200489128 U CN2011200489128 U CN 2011200489128U CN 201120048912 U CN201120048912 U CN 201120048912U CN 202024466 U CN202024466 U CN 202024466U
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- boiler body
- bituminous coal
- secondary air
- coal fired
- fired boilers
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Abstract
The utility model discloses a secondary soft coal boiler combusting biomass solid formed fuel. The soft coal boiler comprises a boiler body, a furnace chamber, a combustion area, a preheating water tank and a washing dedusting room, wherein the furnace chamber is arranged in the boiler body; the combustion area is arranged in the furnace chamber; the preheating water tank and the washing dedusting room are connected with the boiler body; a secondary air supply device is arranged in the boiler body and comprises a secondary fan, a secondary air main pipe and a secondary air pipe, wherein the secondary air main pipe is connected with the secondary fan; the secondary air pipe is vertical to the secondary air main pipe; a plurality of secondary distribution pipes are arranged at the side surface of the secondary air pipe; three small air blowers are arranged in the furnace chamber additionally; the front furnace wall forms an angle of 28 degrees rightwards, and the rear furnace wall forms an angle of 28 degrees backwards; and the dedusting hole of the washing dedusting room is L-shaped. With the adoption of the secondary soft coal boiler, the biomass solid formed fuel can be combusted fully; and the secondary soft coal boiler has the advantages that the secondary soft coal boiler has no smoke, no dust, realizes quick boost and quick ignition, can save raw coal, etc.
Description
Technical field
The utility model relates to a kind of two class bituminous coal fired boilers, relates to a kind of two class bituminous coal fired boilers of biomass burning solid molding fuel specifically.
Background technology
Boiler is commonly used at aspects such as the industry of China and lives, is to promote growth of the national economic, promotes society's one of imperative equipment of advancing.Along with the development of society is arrived each link by widespread usage, be the capital equipment that consumes the limited energy.Add up according to interrelated data, the coal consumption of boiler accounts for 80% of the whole nation year consumption coal energy, according to the requirement of this present situation and national energy-saving and emission-reduction, in recent years, the regeneration biological raw material develops rapidly, but because the combustion system of boiler generally designs for raw material with two class bituminous coal in the past, after using biomass material instead, incomplete combustion, flue dust is big, boiler is difficult to boost, and is difficult to satisfy the demand of producing and living.
The utility model content
The purpose of this utility model is to provide a kind of and the biomass solid forming raw material can be fully burned and smokeless and dust free, save two class bituminous coal fired boilers of the biomass burning solid molding fuel of raw coal.
The purpose of this utility model realizes by following scheme: a kind of two class bituminous coal fired boilers of biomass burning solid molding fuel, comprise boiler body, be positioned at the burner hearth of boiler body, the combustion zone of being located at burner hearth, the preheating water tank who links to each other with boiler body and a water washing dedust chamber, be provided with secondary in the boiler body and give wind apparatus, described secondary to wind apparatus comprise overfire air fan, the secondary wind that is connected with overfire air fan is responsible for and be responsible for vertically disposed secondary air channel with described secondary wind, also is provided with some secondary air separating stringings in the side of described secondary air channel; Set up three small blast fans in described burner hearth, the preceding furnace wall distributor pipe of described burner hearth becomes 28 degree angles to the right, and back furnace wall becomes 28 degree angles to the right; The dedusting mouth of described water washing dedust chamber is " L " type water washing dedust mouth.
In described overfire air fan, be provided with a blast regulator.
End at boiler body is provided with a frequency conversion reductor.
Sidewall described preheating water tank is distributed with smoke pipe.
Described water washing dedust chamber comprises a dedusting pond, gas approach and exhanst gas outlet.
Connect an air-introduced machine at described smoke outlet.
Gas approach stretches in the dedusting pond, establishes a divider wall in the middle of gas approach and the exhanst gas outlet.
Advantage of the present utility model is: the present invention has changed the structure and the air supply mode of former two class bituminous coal fired boilers, two class bituminous coal fired boilers of this biomass burning solid molding fuel not only make the biomass solid forming raw material be fully burned, and have smokeless, dustless, fast, the advantages such as igniting is fast, saving raw coal of boosting.Not enough double centner lime-ash can alleviate working strength of workers after the utility model fuel combustion per ton, can also not need banking in the boiler of be interrupted producing, and blowing out is not afraid of and is boosted, and can be good at guaranteeing the normal operation of safety.Owing to adopted L type water washing dedust mouth, exhanst gas outlet directly docks with air-introduced machine, this structure can reach naked-eye observation less than any flue dust in application, observe not burning of boiler a long way off, only hear the operation of a machine sound on hand, strict guarantee the requirement of boiler combustion non-environmental-pollution and low-carbon emission.L type water washing dedust mouth structure of the present utility model is simple, does not need professional production, and material value is low, utilizes common buildings brick, cement, and a builder can finish in one day, and efficiency of dust collection can reach more than 90% in actual use, and overall value is below 1000 yuan.
Description of drawings
Fig. 1 is the structural representation of two class bituminous coal fired boilers of the utility model biomass burning solid molding fuel.
Wherein:
1 boiler body; 2 preheating water tanks; 3 secondary wind are responsible for; 4 overfire air fans; 5 blast regulators; 6 secondary air channels; 7 secondary air separating stringings; 8 frequency conversion reductors; 9 smoke pipes; 10 dedusting ponds; 11 gas approach; 12 exhanst gas outlets.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Embodiment 1: as shown in Figure 1, a kind of two class bituminous coal fired boilers of biomass burning solid molding fuel, comprise boiler body 1, be positioned at the burner hearth of boiler body 1, the combustion zone of being located at burner hearth, the preheating water tank 2 who links to each other with boiler body 1 and a water washing dedust chamber, be provided with secondary in the boiler body 1 and give wind apparatus, secondary to wind apparatus comprise overfire air fan 4, the secondary wind that is connected with overfire air fan 4 is responsible for 3 and be responsible for 3 vertically disposed secondary air channels 6 with described secondary wind, also is provided with some secondary air separating stringings 7 in the side of described secondary air channel 6; Set up three small blast fans in described burner hearth, the preceding furnace wall distributor pipe of described burner hearth becomes 28 degree angles to the right, and back furnace wall becomes 28 degree angles to the right; The dedusting mouth of water washing dedust chamber is " L " type water washing dedust mouth.In overfire air fan 4, be provided with a blast regulator 5; End at boiler body 1 is provided with a frequency conversion reductor 8; Sidewall preheating water tank 2 is distributed with smoke pipe 9; The water washing dedust chamber comprises a dedusting pond 10, gas approach 11 and exhanst gas outlet 12, and 12 places connect an air-introduced machine at exhanst gas outlet, and gas approach 11 stretches in the dedusting pond 10, establishes a divider wall in the middle of gas approach 11 and the exhanst gas outlet 12.
Embodiment 2: two class bituminous coal fired boilers of biomass burning solid molding fuel of the present utility model are at first to two class bituminous coal burner hearths, grate area, the combustion zone area is calculated, in 1: 0.9 ratio of preceding furnace wall, the combustion zone increases by three small blast fans in 1: 0.95 ratio blow-on.The front wall distributor pipe becomes 28 degree angles to the right, and back furnace wall becomes 28 degree angles to the right, makes it form a kind of spiral secondary wind in the combustion zone, and the ash of its biotic division raw material that fully burns forms high temperature, makes fully to absorb heat in the pot.Remove former old-fashioned dedusting mouth, directly make L type water washing dedust mouth with cement, brick.Gas approach 11 enters cement pit 50-100mm, a middle divider wall, and exhanst gas outlet 12 and gas approach 11 spacings are at 1-1.5m, water seal is 500mm, exhanst gas outlet 12 directly docks with air-introduced machine, and coal flashboard height is 230mm after two tons the two class bituminous coal fired boiler transformations, preceding olecranon brick rising 50mm, the pitch of arch is 250mm before forming, face arch length is 980mm, and the combustion zone is 1000-1050mm, highly is 500-550mm, the middle pitch of arch is 350-400mm, and the back pitch of arch is 220mm.
Above in sum embodiment only is a preferred embodiment of the utility model; unintelligible is qualification to the utility model protection domain;, should think and drop in the protection domain of the present utility model according to adjustment that does not exceed technical solutions of the utility model and change that embodiment of the present utility model did for the technical work personnel in this field.
Claims (7)
1. two class bituminous coal fired boilers of a biomass burning solid molding fuel, comprise boiler body, be positioned at the burner hearth of boiler body, the combustion zone of being located at burner hearth, the preheating water tank who links to each other with boiler body and a water washing dedust chamber, it is characterized in that: be provided with secondary in the described boiler body and give wind apparatus, described secondary to wind apparatus comprise overfire air fan, the secondary wind that is connected with overfire air fan is responsible for and be responsible for vertically disposed secondary air channel with described secondary wind, also is provided with some secondary air separating stringings in the side of described secondary air channel; Set up three small blast fans in described burner hearth, the preceding furnace wall distributor pipe of described burner hearth becomes 28 degree angles to the right, and back furnace wall becomes 28 degree angles to the right; The dedusting mouth of described water washing dedust chamber is " L " type water washing dedust mouth.
2. according to two class bituminous coal fired boilers of the described biomass burning solid molding fuel of claim 1, it is characterized in that: in described overfire air fan, be provided with a blast regulator.
3. according to two class bituminous coal fired boilers of claim 1 or 2 described biomass burning solid molding fuels, it is characterized in that: the end at boiler body is provided with a frequency conversion reductor.
4. according to two class bituminous coal fired boilers of the described biomass burning solid molding fuel of claim 1, it is characterized in that: the sidewall described preheating water tank is distributed with smoke pipe.
5. according to two class bituminous coal fired boilers of the described biomass burning solid molding fuel of claim 1, it is characterized in that: described water washing dedust chamber comprises a dedusting pond, gas approach and exhanst gas outlet.
6. according to two class bituminous coal fired boilers of the described biomass burning solid molding fuel of claim 5, it is characterized in that: connect an air-introduced machine at described smoke outlet.
7. according to two class bituminous coal fired boilers of the described biomass burning solid molding fuel of claim 5, it is characterized in that: gas approach stretches in the dedusting pond, establishes a divider wall in the middle of gas approach and the exhanst gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200489128U CN202024466U (en) | 2011-02-25 | 2011-02-25 | Secondary soft coal boiler combusting biomass solid formed fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200489128U CN202024466U (en) | 2011-02-25 | 2011-02-25 | Secondary soft coal boiler combusting biomass solid formed fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024466U true CN202024466U (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200489128U Expired - Fee Related CN202024466U (en) | 2011-02-25 | 2011-02-25 | Secondary soft coal boiler combusting biomass solid formed fuel |
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| Country | Link |
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| CN (1) | CN202024466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868089A (en) * | 2014-03-31 | 2014-06-18 | 姚小金 | Combustion furnace flue gas treatment device |
| CN103884018A (en) * | 2014-03-31 | 2014-06-25 | 姚小金 | Multistage flue gas treatment device for combustion furnace |
-
2011
- 2011-02-25 CN CN2011200489128U patent/CN202024466U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868089A (en) * | 2014-03-31 | 2014-06-18 | 姚小金 | Combustion furnace flue gas treatment device |
| CN103884018A (en) * | 2014-03-31 | 2014-06-25 | 姚小金 | Multistage flue gas treatment device for combustion furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20160225 |