CN101943409B - Garbage incinerator - Google Patents
Garbage incinerator Download PDFInfo
- Publication number
- CN101943409B CN101943409B CN2010102953456A CN201010295345A CN101943409B CN 101943409 B CN101943409 B CN 101943409B CN 2010102953456 A CN2010102953456 A CN 2010102953456A CN 201010295345 A CN201010295345 A CN 201010295345A CN 101943409 B CN101943409 B CN 101943409B
- Authority
- CN
- China
- Prior art keywords
- air
- burner hearth
- airduct
- flue gas
- behind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010813 municipal solid waste Substances 0.000 title abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 24
- 238000009530 blood pressure measurement Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002737 fuel gas Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 231100000331 toxic Toxicity 0.000 claims 1
- 230000002588 toxic effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000008929 regeneration Effects 0.000 abstract 2
- 238000011069 regeneration method Methods 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 231100000614 poison Toxicity 0.000 description 7
- 230000007096 poisonous effect Effects 0.000 description 7
- 230000003134 recirculating effect Effects 0.000 description 5
- 238000004939 coking Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The invention discloses a garbage incinerator. The garbage incinerator comprises a furnace chamber, a secondary air supply outlet arranged on the furnace chamber and a fire grate tail, wherein the upper part of the secondary air supply outlet is provided with an internal flue gas recirculation system capable of supplying air three times. By adopting the technical scheme provided by the invention, the technical problems of abnormal work of a boiler when a heating surface is damaged because the garbage incinerator in the prior art cannot effectively control the temperature of the furnace chamber and cannot inhibit or prevent the furnace chamber from caking, low boiler output, incapacity of effectively reducing the discharge of harmful substances such as NOx and the like, low use efficiency, short service life and the like can be solved effectively; and simultaneously, compared with the garbage incinerator which does not use internal flue gas regeneration technology, the garbage incinerator has the characteristics of capacity of effectively controlling the temperature level of the furnace chamber by adopting the internal flue gas regeneration technology, inhibits or prevents the caking of the furnace chamber so as to protect the heating surface, improves the boiler output and reduces the discharge of the harmful substances such as the NOx and the like.
Description
Technical field
The invention belongs to a kind of boiler manufacturing technology field, specifically, relate to a kind of 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.
Summary of the invention
Technical scheme provided by the invention technical problem to be solved is, incinerator of the prior art can't effectively be controlled 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 a kind of incinerator is provided.
Technical scheme provided by the present invention is a kind of incinerator, comprises burner hearth, is arranged in secondary blast mouth and fire grate afterbody on the said burner hearth, is provided with the inside flue gas recirculation system of three air-supplies on the top of said secondary blast mouth.
Said inner flue gas recirculation system comprises exhaust tube, the air main that is connected with said exhaust tube, the blower fan, the airduct that are connected with said air main and makes flue gas get into the burner hearth wall airduct of burner hearth.
Said furnace wall airduct is arranged on said secondary blast mouth top, and said furnace wall airduct comprises wall airduct behind burner hearth front wall airduct and the burner hearth.
Said exhaust tube is connected with said fire grate afterbody.
Said air main is provided with air main air register and the air main cold air air register that cold air is got into, and said air main air register is arranged in before the air main cold air air register.
Said airduct is provided with Venturi meter.
Said airduct connects wall airduct behind said burner hearth front wall airduct and the burner hearth respectively.
Said 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 said burner hearth.
On the path of said flue gas circulation, be provided with temperature measuring equipment in said air main air register front portion; Be provided with device for pressure measurement at said air main cold air air register rear portion; Be provided with temperature measuring equipment in said blower fan front portion, be provided with device for pressure measurement at said blower fan rear portion.
The place is provided with device for pressure measurement at said Venturi meter, is being provided with a plurality of device for pressure measurement on the wall airduct behind said burner hearth front wall airduct and the burner hearth.
Adopt technical scheme provided by the present invention, 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, are compared with the incinerator that does not use inner flue gas recirculating technique; Adopt inner flue gas recirculating technique can effectively control the fire box temperature level, 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 accompanying drawing, the present invention is done further explanation:
Fig. 1 is a structural representation of the present invention;
Fig. 2 looks sketch map 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 accompanying drawing; The inside flue gas recirculating technique basic functional principle that incinerator provided by the present invention 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, the mist temperature is reduced to 150 ℃ through inner flue gas recirculation pipeline; 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 invention: 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 gets into 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 invention 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 present invention is that a kind of incinerator comprises burner hearth, is arranged in secondary blast mouth and fire grate afterbody on the said burner hearth, is provided with the inside flue gas recirculation system of three air-supplies on the top of said secondary blast mouth.
Said inner flue gas recirculation system comprises exhaust tube 1, the air main 2 that is connected with said exhaust tube 1, the blower fan, the airduct 5 that are connected with said air main 2 and makes flue gas get into the burner hearth wall airduct 5 of burner hearth.
Said furnace wall airduct 5 is arranged on said secondary blast mouth top, and said furnace wall airduct 5 comprises wall airduct 10 behind burner hearth front wall airduct 9 and the burner hearth.
Said exhaust tube 1 is connected with said fire grate afterbody.
Said air main 2 is provided with air main air register 3 and the air main cold air air register 4 that cold air is got into, and said air main air register 3 is arranged in before the air main cold air air register 4.
Said airduct 5 is provided with Venturi meter 6.
Said airduct 5 connects wall airduct 10 behind said burner hearth front wall airduct 9 and the burner hearth respectively.
Said 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 said burner hearth.
On the path of said flue gas circulation, be provided with temperature measuring equipment in said air main air register 3 front portions; Be provided with device for pressure measurement at said air main cold air air register 4 rear portions; Be provided with temperature measuring equipment in said blower fan front portion, be provided with device for pressure measurement at said blower fan rear portion.
6 places are provided with device for pressure measurement at said Venturi meter, are being provided with a plurality of device for pressure measurement on the wall airduct 10 behind said burner hearth front wall airduct 9 and the burner hearth.More than for most preferred embodiment of the present invention, anyly conceive improvement or deformation design on the basis in the present invention, all be protection scope of the present invention.
Claims (3)
1. an incinerator comprises burner hearth, is arranged in secondary blast mouth and fire grate afterbody on the said burner hearth, it is characterized in that, is provided with the inside flue gas recirculation system of three air-supplies on the top of said secondary blast mouth:
Said inner flue gas recirculation system comprises exhaust tube (1), the air main (2) that is connected with said exhaust tube (1), the blower fan that is connected with said air main (2), airduct (5) and makes flue gas get into the furnace wall airduct of burner hearth;
The furnace wall airduct is arranged on said secondary blast mouth top, and the furnace wall airduct comprises wall airduct (10) behind burner hearth front wall airduct (9) and the burner hearth;
Said blower fan extracts uncombusted fuel gas and undecomposed toxic and harmful from the fire grate afterbody; Mix with air through inner flue gas recirculation pipeline; The mist temperature is reduced to 150 ℃, send into burner hearth, in burner hearth, form turbulent area from incinerator secondary blast mouth top; Make the burner hearth flue gas fully mix, and make ignition temperature and excess air coefficient controlled;
Said exhaust tube (1) is connected with said fire grate afterbody; The air main cold air air register (4) that said air main (2) is provided with air main air register (3) and cold air is got into, said air main air register (3) is arranged in air main cold air air register (4) before; Said airduct (5) is provided with Venturi meter (6); Said airduct (5) connects wall airduct (10) behind said burner hearth front wall airduct (9) and the burner hearth respectively; Said 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 said burner hearth;
Said 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 gets into from air main cold air air register (4); Through blower fan, airduct (5), Venturi meter (6); Tell 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 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; With to airduct (5) air quantity everywhere, temperature is monitored and is regulated.
2. according to claims 1 said a kind of incinerator, it is characterized in that, on the path of flue gas circulation, be provided with temperature measuring equipment in said air main air register (3) front portion; Be provided with device for pressure measurement at said air main cold air air register (4) rear portion; Be provided with temperature measuring equipment in said blower fan front portion, be provided with device for pressure measurement at said blower fan rear portion.
3. according to claims 1 or 2 said a kind of incinerators, it is characterized in that, locate to be provided with device for pressure measurement, be provided with a plurality of device for pressure measurement on the wall airduct (10) behind said burner hearth front wall airduct (9) and the burner hearth at said Venturi meter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102953456A CN101943409B (en) | 2010-09-26 | 2010-09-26 | Garbage incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102953456A CN101943409B (en) | 2010-09-26 | 2010-09-26 | Garbage incinerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943409A CN101943409A (en) | 2011-01-12 |
| CN101943409B true CN101943409B (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102953456A Expired - Fee Related CN101943409B (en) | 2010-09-26 | 2010-09-26 | Garbage incinerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101943409B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438463B (en) * | 2013-01-22 | 2015-09-30 | 江苏天楹环保能源股份有限公司 | A kind of self-service combustion control method of sectional type fire grate garbage incinerator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201396766Y (en) * | 2009-05-31 | 2010-02-03 | 王中 | Flue gas recirculation and low-position waste heat energy reutilization device for garbage incinerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4130422B2 (en) * | 2004-04-30 | 2008-08-06 | 株式会社熊谷農機 | Incinerator |
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2010
- 2010-09-26 CN CN2010102953456A patent/CN101943409B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201396766Y (en) * | 2009-05-31 | 2010-02-03 | 王中 | Flue gas recirculation and low-position waste heat energy reutilization device for garbage incinerator |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2005-315539A 2005.11.10 |
| 张卫.烟气再循环技术在垃圾焚烧炉的应用.《节能》.2008,(第310期),第52-53页. * |
| 鲁玺梦.垃圾焚烧炉炉温控制系统的探讨.《山东电力技术》.2009,(第168期),第56-59页. * |
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| Publication number | Publication date |
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| CN101943409A (en) | 2011-01-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190522 Address after: 241000 Jinghu District Jingjie Street, Wuhu City, Anhui Province 99 Jinding 2208, 2209 Patentee after: Wuhu pioneer Renewable Energy Technology Co.,Ltd. Address before: No. 224 Changjiang Road, Jinghu District, Wuhu City, Anhui Province Patentee before: ANHUI JINDING BOILER Co.,Ltd. |
|
| 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: 20121114 |