CN101943409A - Garbage incinerator - Google Patents
Garbage incinerator Download PDFInfo
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- CN101943409A CN101943409A CN 201010295345 CN201010295345A CN101943409A CN 101943409 A CN101943409 A CN 101943409A CN 201010295345 CN201010295345 CN 201010295345 CN 201010295345 A CN201010295345 A CN 201010295345A CN 101943409 A CN101943409 A CN 101943409A
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- burner hearth
- air
- airduct
- flue gas
- incinerator
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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 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 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 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 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, 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 present invention is described further:
Fig. 1 is a structural representation of the present invention;
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 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 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 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 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 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 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 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 (10)
1. an 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. a kind of 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. a kind of 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. a kind of incinerator according to claim 3 is characterized in that, described exhaust tube (1) is connected with described fire grate afterbody.
5. a kind of 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 a kind of incinerators, it is characterized in that described airduct (5) is provided with Venturi meter (6).
7. a kind of 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. a kind of 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. a kind of 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. a kind of 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 |
|---|---|---|---|
| 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 true CN101943409A (en) | 2011-01-12 |
| CN101943409B CN101943409B (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102953456A Active CN101943409B (en) | 2010-09-26 | 2010-09-26 | Garbage incinerator |
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| CN (1) | CN101943409B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438463A (en) * | 2013-01-22 | 2013-12-11 | 江苏天楹环保能源股份有限公司 | Self-service combustion control method of sectional type fire grate garbage incinerator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315539A (en) * | 2004-04-30 | 2005-11-10 | Kumagai Noki:Kk | Incinerator |
| CN201396766Y (en) * | 2009-05-31 | 2010-02-03 | 王中 | Flue gas recirculation and low-position waste heat energy reutilization device for garbage incinerator |
-
2010
- 2010-09-26 CN CN2010102953456A patent/CN101943409B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005315539A (en) * | 2004-04-30 | 2005-11-10 | Kumagai Noki:Kk | Incinerator |
| 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 (2)
| Title |
|---|
| 《山东电力技术》 20091231 鲁玺梦 垃圾焚烧炉炉温控制系统的探讨 第56-59页 1-10 , 第168期 2 * |
| 《节能》 20081231 张卫 烟气再循环技术在垃圾焚烧炉的应用 第52-53页 1-10 , 第310期 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438463A (en) * | 2013-01-22 | 2013-12-11 | 江苏天楹环保能源股份有限公司 | Self-service combustion control method of sectional type fire grate garbage incinerator |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101943409B (en) | 2012-11-14 |
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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. |