CN201852105U - Garbage incinerator - Google Patents
Garbage incinerator Download PDFInfo
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- CN201852105U CN201852105U CN2010205464334U CN201020546433U CN201852105U CN 201852105 U CN201852105 U CN 201852105U CN 2010205464334 U CN2010205464334 U CN 2010205464334U CN 201020546433 U CN201020546433 U CN 201020546433U CN 201852105 U CN201852105 U CN 201852105U
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- burner hearth
- air
- airduct
- behind
- register
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Abstract
The utility model discloses a garbage incinerator which comprises a hearth, a secondary air supply outlet arranged on the hearth, and a grate tail, wherein the upper part of the secondary air supply outlet is provided with an internal gas fume recirculating system for tertiary air supply. By adopting the technical scheme provided by the utility model, the technical problems in the prior art that the existing garbage incinerator can not effectively control temperature of the hearth, and restrain or prevent hearth coking, thus causing a heating surface to be damaged, and a boiler to be incapable of normally working or effectively reducing emissions of harmful materials such as NOx, and low in output and service efficiency, and short in service life, and the like. Meanwhile, compared with the garbage incinerator which does not use the internal gas fume recirculating technology, by adopting the internal gas fume recirculating technology, garbage incinerator can effectively control the temperature level of the hearth, restrain or prevent the hearth coking to protect the heating surface, increase the boiler output, and reduce the emissions of the harmful materials such as NOx.
Description
Technical field
The utility model belongs to a kind of boiler manufacturing technology field, specifically, relates to incinerator.
Background technology
The application of boiler internal flue gas recirculating technique in incinerator just begun starting at home at present, and to garbage burning boiler emission request increasingly stringent, the application of boiler internal flue gas recirculating technique in incinerator will come into one's own along with domestic.Garbage disposal has become a global problem, and countries in the world are all developed treatment facility and the method to rubbish one after another.At present, processing most countries to rubbish adopts refuse incineration exhaust-heating boiler that rubbish is carried out burning disposal, a kind of treatment technology that incineration treatment of garbage is the whole world present stage garbage disposal minimizing, resource, innoxious degree is the highest, and the heat energy that burn to produce can heat supply or generating, the inner poisonous and harmful element of rubbish obtains decomposing after the high temperature incineration process simultaneously, so incineration treatment of garbage is the effective technology that is fit to the big and medium-sized cities garbage disposal demand that Economic Development is rapid, land resource is nervous, garbage disposal is difficult.
Incinerator of the prior art, because there are many technical problems in unreasonable structure:
1, incinerator of the prior art can't effectively be controlled the temperature of burner hearth, can't suppress or prevent the burner hearth coking, causes heating surface to be damaged, and causes the boiler can't operate as normal;
2, incinerator of the prior art, boiler output is low;
3, incinerator of the prior art can not effectively reduce discharge of poisonous waste such as NOx;
4, incinerator of the prior art, service efficiency is low, and service life is short.
The utility model content
The technical scheme that the utility model provides technical problem to be solved is, incinerator of the prior art, can't effectively control the temperature of burner hearth, can't suppress or prevent the burner hearth coking, cause heating surface to be damaged, cause the boiler can't operate as normal, boiler output is low, can not effectively reduce discharge of poisonous waste such as NOx, and service efficiency is low, technical problems such as service life is short, and incinerator is provided.
Technical scheme provided by the utility model is an incinerator, comprises burner hearth, is arranged in secondary blast mouth and fire grate afterbody on the described burner hearth, is provided with the inside flue gas recirculation system of three air-supplies on the top of described secondary blast mouth.
Described inner flue gas recirculation system comprises exhaust tube, the air main that is connected with described exhaust tube, the blower fan, the airduct that are connected with described air main and makes flue gas enter the burner hearth wall airduct of burner hearth.
Described furnace wall airduct is arranged on described secondary blast mouth top, and described furnace wall airduct comprises wall airduct behind burner hearth front wall airduct and the burner hearth.
Described exhaust tube is connected with described fire grate afterbody.
The air main cold air air register that described air main is provided with the air main air register and cold air is entered, described air main air register is arranged in before the air main cold air air register.
Described airduct is provided with Venturi meter.
Described airduct connects wall airduct behind described burner hearth front wall airduct and the burner hearth respectively.
Described burner hearth front wall airduct is provided with burner hearth front wall air register; The wall airduct is provided with wall air register behind the burner hearth behind the described burner hearth.
On the path of described flue gas circulation, be provided with temperature measuring equipment in described air main air register front portion; Be provided with device for pressure measurement at described air main cold air air register rear portion; Be provided with temperature measuring equipment in described blower fan front portion, be provided with device for pressure measurement at described blower fan rear portion.
The place is provided with device for pressure measurement at described Venturi meter, is being provided with a plurality of device for pressure measurement on the wall airduct behind described burner hearth front wall airduct and the burner hearth.
Adopt technical scheme provided by the utility model; can effectively solve incinerator of the prior art; can't effectively control the temperature of burner hearth; can't suppress or prevent the burner hearth coking; cause heating surface to be damaged; cause the boiler can't operate as normal; boiler output is low, can not effectively reduce discharge of poisonous waste such as NOx, and service efficiency is low; technical problems such as service life is short; simultaneously, compare, adopt inner flue gas recirculating technique can effectively control the fire box temperature level with the incinerator that does not use inner flue gas recirculating technique; suppress or prevent the burner hearth coking, improve boiler output and reduce discharge of poisonous waste such as NOx with the protection heating surface.
Description of drawings
In conjunction with the accompanying drawings, the utility model is described further:
Fig. 1 is the utility model structural representation;
Fig. 2 looks schematic diagram for Fig. 1 left side;
Fig. 3 is Fig. 1 schematic top plan view;
Wherein, 1 is fire grate afterbody exhaust tube; 2 is air main; 3 is the air main air register; 4 is air main cold air air register; 5 is airduct; 6 is Venturi meter; 7 is burner hearth front wall air register; 8 is wall air register behind the burner hearth; 9 is burner hearth front wall airduct; 10 is wall airduct behind the burner hearth.
The specific embodiment
In conjunction with the accompanying drawings, the inside flue gas recirculating technique basic functional principle that incinerator provided by the utility model is supporting: utilize blower fan to extract gases such as uncombusted fuel gas and undecomposed poisonous and harmful from the Martin furnace end exhausting part, mix with air by inner flue gas recirculation pipeline, the mist temperature is reduced to 150 ℃, send into burner hearth from incinerator overfiren air port top, in burner hearth, form turbulent area, make the burner hearth flue gas fully mix, and make ignition temperature and excess air coefficient controlled.
Workflow of the present utility model: blower fan is bled from fire grate afterbody exhaust tube 1, after air main air register 3 is regulated, behind the air hybrid cooling that enters from air main cold air air register 4, through blower fan, airduct 5, Venturi meter 6 is told two branch roads then, be wall airduct 10 behind burner hearth front wall airduct 9 and the burner hearth, after the forward and backward wall airduct 5 of burner hearth is regulated air quantity, send into burner hearth.Airduct 5 is equipped with many places point for measuring temperature and pressure tap feedback data everywhere, and with to airduct 5 air quantity everywhere, temperature is monitored and regulated.
Design concept of the present utility model is, has at the conventional garbage incinerator on the basis of secondary air system, designs the tertiary air system schema, promptly once more gases such as uncombusted fuel gas and undecomposed poisonous and harmful is incorporated in the burner hearth and burns.
Technical scheme provided by the utility model is that incinerator comprises burner hearth, is arranged in secondary blast mouth and fire grate afterbody on the described burner hearth, is provided with the inside flue gas recirculation system of three air-supplies on the top of described secondary blast mouth.
Described inner flue gas recirculation system comprises exhaust tube 1, the air main 2 that is connected with described exhaust tube 1, the blower fan, the airduct 5 that are connected with described air main 2 and makes flue gas enter the burner hearth wall airduct 5 of burner hearth.
Described furnace wall airduct 5 is arranged on described secondary blast mouth top, and described furnace wall airduct 5 comprises wall airduct 10 behind burner hearth front wall airduct 9 and the burner hearth.
Described exhaust tube 1 is connected with described fire grate afterbody.
The air main cold air air register 4 that described air main 2 is provided with air main air register 3 and cold air is entered, described air main air register 3 is arranged in before the air main cold air air register 4.
Described airduct 5 is provided with Venturi meter 6.
Described airduct 5 connects wall airduct 10 behind described burner hearth front wall airduct 9 and the burner hearth respectively.
Described burner hearth front wall airduct 9 is provided with burner hearth front wall air register 7; Wall airduct 10 is provided with wall air register 8 behind the burner hearth behind the described burner hearth.
On the path of described flue gas circulation, be provided with temperature measuring equipment in described air main air register 3 front portions; Be provided with device for pressure measurement at described air main cold air air register 4 rear portions; Be provided with temperature measuring equipment in described blower fan front portion, be provided with device for pressure measurement at described blower fan rear portion.
6 places are provided with device for pressure measurement at described Venturi meter, are being provided with a plurality of device for pressure measurement on the wall airduct 10 behind described burner hearth front wall airduct 9 and the burner hearth.
More than be the utility model most preferred embodiment, any improvement or deformation design on the utility model design basis all is protection domain of the present utility model.
Claims (10)
1. incinerator comprises burner hearth, is arranged in secondary blast mouth and fire grate afterbody on the described burner hearth, it is characterized in that, is provided with the inside flue gas recirculation system of three air-supplies on the top of described secondary blast mouth.
2. incinerator according to claim 1, it is characterized in that described inner flue gas recirculation system comprises exhaust tube (1), the air main (2) that is connected with described exhaust tube (1), the blower fan that is connected with described air main (2), airduct (5) and makes flue gas enter the burner hearth wall airduct (5) of burner hearth.
3. incinerator according to claim 1 and 2 is characterized in that, described furnace wall airduct (5) is arranged on described secondary blast mouth top, and described furnace wall airduct (5) comprises wall airduct (10) behind burner hearth front wall airduct (9) and the burner hearth.
4. incinerator according to claim 3 is characterized in that, described exhaust tube (1) is connected with described fire grate afterbody.
5. incinerator according to claim 4, it is characterized in that, the air main cold air air register (4) that described air main (2) is provided with air main air register (3) and cold air is entered, described air main air register (3) is arranged in air main cold air air register (4) before.
6. according to claim 3 or 4 described incinerators, it is characterized in that described airduct (5) is provided with Venturi meter (6).
7. incinerator according to claim 6 is characterized in that, described airduct (5) connects wall airduct (10) behind described burner hearth front wall airduct (9) and the burner hearth respectively.
8. incinerator according to claim 7 is characterized in that, described burner hearth front wall airduct (9) is provided with burner hearth front wall air register (7); Wall airduct (10) is provided with wall air register (8) behind the burner hearth behind the described burner hearth.
9. incinerator according to claim 8 is characterized in that, on the path of described flue gas circulation, is provided with temperature measuring equipment in described air main air register (3) front portion; Be provided with device for pressure measurement at described air main cold air air register (4) rear portion; Be provided with temperature measuring equipment in described blower fan front portion, be provided with device for pressure measurement at described blower fan rear portion.
10. incinerator according to claim 9 is characterized in that, locates to be provided with device for pressure measurement at described Venturi meter (6), is being provided with a plurality of device for pressure measurement on the wall airduct (10) behind described burner hearth front wall airduct (9) and the burner hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205464334U CN201852105U (en) | 2010-09-26 | 2010-09-26 | Garbage incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205464334U CN201852105U (en) | 2010-09-26 | 2010-09-26 | Garbage incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852105U true CN201852105U (en) | 2011-06-01 |
Family
ID=44094496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205464334U Expired - Fee Related CN201852105U (en) | 2010-09-26 | 2010-09-26 | Garbage incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501140A (en) * | 2014-11-28 | 2015-04-08 | 哈尔滨锅炉厂有限责任公司 | Medium-temperature smoke re-circulating system for regulating steam temperature and circulating method |
-
2010
- 2010-09-26 CN CN2010205464334U patent/CN201852105U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501140A (en) * | 2014-11-28 | 2015-04-08 | 哈尔滨锅炉厂有限责任公司 | Medium-temperature smoke re-circulating system for regulating steam temperature and circulating method |
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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 |
Granted publication date: 20110601 Termination date: 20170926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |