CN201368450Y - Biomass-fired mobile gasification energy-saving boiler - Google Patents
Biomass-fired mobile gasification energy-saving boiler Download PDFInfo
- Publication number
- CN201368450Y CN201368450Y CNU2009200932231U CN200920093223U CN201368450Y CN 201368450 Y CN201368450 Y CN 201368450Y CN U2009200932231 U CNU2009200932231 U CN U2009200932231U CN 200920093223 U CN200920093223 U CN 200920093223U CN 201368450 Y CN201368450 Y CN 201368450Y
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- combustion chamber
- boiler
- hearth
- combustion
- boiler body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a biomass-fired mobile gasification energy-saving boiler which comprises a boiler body, a burning device and a boiler wall, wherein, the boiler body comprises a arc-shaped tube plate and a helical smoke tube, a front smoke box is arranged at the front end of the boiler body, a rear smoke box is arranged at the rear end of the boiler body and communicated with a coal economizer, a return-flame type cyclone combustion area, a second combustion chamber and a first combustion chamber are formed in a hearth of the boiler in sequence from front to back, a primary air chamber is formed below the second combustion chamber, the first combustion chamber is provided with a secondary air supply device, rotational flow openings are formed on two side surfaces at the front part of the hearth, the hearth is divided into a return-flame type cyclone combustion area at the lower part, a combustion chamber and a burnout chamber at the upper part through the arc wall in the hearth, decorated walls are distributed in the hearth, the hearth, the second combustion chamber, the first combustion chamber and the burnout chamber are all provided with water cooled walls and headers, and the volatile compound and the fixed carbon of the biomass fuels are separately burnt in two areas. By adopting the four-return-stroke cyclone combustion technology, the volatile compound is rapidly and sufficiently burnt, the low-concentration emission is realized for smoke dust, SO2 and NOX and the phenomenon of black smoke is eliminated.
Description
Technical field
The utility model relates to a kind of boiler, and particularly a kind of biomass-burning moves gasification energy saving boiler.
Background technology
The boiler of existing biomass-burning, because structural design is unreasonable, the volatile matter of biomass fuel and fixed carbon burn together in same zone, make the burning of volatile matter slow, not exclusively, not thorough, the gas imperfect combustion has reduced the thermal efficiency, flue dust and nitrogen oxide (NO
X) the high concentration discharging, also be attended by the over-emitting black exhaust phenomenon, be unfavorable for environmental protection.
The utility model content
The purpose of this utility model is the problem that exists for the boiler that solves above-mentioned existing biomass-burning, make the living beings volatile combustion rapidly, fully, thoroughly and provide a kind of, the gas heat loss due to incomplete combustion is low, and the biomass-burning of flue dust, sulfur dioxide and the discharging of nitrogen oxide low concentration moves gasification energy saving boiler.
The utility model is by boiler body, combustion apparatus, furnace wall constitutes, boiler body is to be made of arch tube sheet and threaded flue, the front end of boiler body has front smoke box, there is back smoke box the rear end, back smoke box is communicated with economizer, be followed successively by go back to from front to back flame formula cyclone firing district in the burner hearth, second combustion chamber, first combustion chamber, has air compartment below second combustion chamber one time, first combustion chamber is provided with the secondary blast device, the two sides of furnace front have the eddy flow mouth, has arch wall in the burner hearth, arch wall is divided into burner hearth in go back to flame formula cyclone firing district of bottom, second combustion chamber, the secondary furnace on first combustion chamber and top, be furnished with tracery wall in the burner hearth, burner hearth, second combustion chamber, first combustion chamber and secondary furnace are provided with water-cooling wall and collection case.
The course of work of the present utility model and principle are:
Adopt whirlwind burning phase-splitting technology, the unique arch wall structure and the air distribution technology of science combine, with the combustion zone of volatile matter and fixed carbon separately, and gas phase, solid phase separately-fired, adopting four backhauls design cyclone firing technology, is main air supply mode with the overfiren air port in the burner hearth; Boiler body adopts arch form tube sheet and threaded flue to make, and arranges tracery wall in burner hearth.Biomass fuel is delivered to second combustion chamber by combustion apparatus and is once given wind, smoke backflow to the first combustion chamber, secondary forms go back to flame formula cyclone firing district to wind again, make full combustion of fuel, unique arch wall structure makes flue gas from eddy flow mouth, tracery wall, the thorough after-flame of secondary furnace, flue gas enters front smoke box through threaded flue warp smoke box and four backhauls of economizer formation flue gas later again from both sides, make volatile combustion rapidly, fully, thoroughly, the gas heat loss due to incomplete combustion is almost nil, flue dust, SO
2And NO
XRealize ultra-low concentration discharge, eliminated boiler over-emitting black exhaust phenomenon.
The beneficial effects of the utility model are:
The volatile matter of biomass fuel and the combustion zone of fixed carbon are separated, gas phase, solid phase separately-fired, adopt four backhauls design cyclone firing technology, with the overfiren air port in the burner hearth is main air supply mode, make volatile combustion rapidly, fully, thoroughly, the gas heat loss due to incomplete combustion is almost nil, flue dust, SO
2And NO
XRealize ultra-low concentration discharge, eliminated boiler over-emitting black exhaust phenomenon.
Description of drawings
Fig. 1 is the vertical main cutaway view of the utility model embodiment.
Fig. 2 is the horizontal cross-sectional view of the utility model embodiment.
Fig. 3 is the cross-section cutaway view of the utility model embodiment.
The specific embodiment
See also Fig. 1, Fig. 2, shown in Figure 3, the embodiment of the utility model is by boiler body 1, combustion apparatus 2, furnace wall 10 constitutes, boiler body 1 is to be made of arch tube sheet 4 and threaded flue 3, the front end of boiler body 1 has front smoke box 5, the rear end has back smoke box 7, back smoke box 7 is communicated with economizer 13, be followed successively by go back to from front to back flame formula cyclone firing district 15 in the burner hearth 19, second combustion chamber 12, first combustion chamber 11, the side of second combustion chamber 12 has air compartment 17 one time, first combustion chamber 11 is provided with secondary blast device 18, the two sides of burner hearth 19 front portions have eddy flow mouth 8, has arch wall 16 in the burner hearth 19, arch wall 16 is divided into burner hearth in go back to flame formula cyclone firing district 15 of bottom, second combustion chamber 12, the secondary furnace 14 on first combustion chamber 11 and top, be furnished with tracery wall 9 in the burner hearth 19, burner hearth 19, second combustion chamber 12, first combustion chamber 11 and secondary furnace 14 are provided with water-cooling wall 20 and collection case 21.
The course of work and the principle of present embodiment are:
Adopt whirlwind burning phase-splitting technology, the unique furnace arch structure and the air distribution technology of science combine, with the combustion zone of volatile matter and fixed carbon separately, and gas phase, solid phase separately-fired, adopting four backhauls design cyclone firing technology, is main air supply mode with the overfiren air port in the burner hearth 19; Boiler body 1 adopts arch form tube sheet 4 and threaded flue 3 to make, and arranges tracery wall 9 in burner hearth 19.Biomass fuel is delivered to second combustion chamber 12 by combustion apparatus 2 and is once given wind, smoke backflow to the first combustion chamber 11, secondary forms go back to flame formula cyclone firing district 15 to wind again, make fuel gasification, unique furnace wall structure, make flue gas from eddy flow mouth 8, tracery wall 9, secondary furnace 14 thorough after-flames, flue gas enters front smoke box 5 through threaded flue 3 warp smoke box 7 and four backhauls of economizer 13 formation flue gases later again from both sides, make volatile combustion rapidly, fully, thoroughly, the gas heat loss due to incomplete combustion is almost nil, flue dust, SO
2And NO
XRealize ultra-low concentration discharge, eliminated boiler over-emitting black exhaust phenomenon.
The beneficial effect of present embodiment is:
The volatile matter of biomass fuel and the combustion zone of fixed carbon are separated, gas phase, solid phase separately-fired, adopt four backhauls design cyclone firing technology, with the overfiren air port in the burner hearth 19 is main air supply mode, make volatile combustion rapidly, fully, thoroughly, the gas heat loss due to incomplete combustion is almost nil, flue dust, SO
2And NO
XRealize ultra-low concentration discharge, eliminated boiler over-emitting black exhaust phenomenon.
Claims (1)
1, a kind of biomass-burning moves gasification energy saving boiler, be by boiler body, combustion apparatus, furnace wall constitutes, it is characterized in that: boiler body is to be made of arch tube sheet and threaded flue, the front end of boiler body has front smoke box, the rear end has back smoke box, back smoke box is communicated with economizer, be followed successively by go back to from front to back flame formula cyclone firing district in the burner hearth, second combustion chamber, first combustion chamber, has air compartment below second combustion chamber one time, first combustion chamber is provided with the secondary blast device, the two sides of furnace front have the eddy flow mouth, has arch wall in the burner hearth, arch wall is divided into burner hearth in go back to flame formula cyclone firing district of bottom, second combustion chamber, the secondary furnace on first combustion chamber and top is furnished with tracery wall, burner hearth in the burner hearth, second combustion chamber, first combustion chamber and secondary furnace are provided with water-cooling wall and collection case.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200932231U CN201368450Y (en) | 2009-03-20 | 2009-03-20 | Biomass-fired mobile gasification energy-saving boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200932231U CN201368450Y (en) | 2009-03-20 | 2009-03-20 | Biomass-fired mobile gasification energy-saving boiler |
Publications (1)
Publication Number | Publication Date |
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CN201368450Y true CN201368450Y (en) | 2009-12-23 |
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ID=41487343
Family Applications (1)
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CNU2009200932231U Expired - Fee Related CN201368450Y (en) | 2009-03-20 | 2009-03-20 | Biomass-fired mobile gasification energy-saving boiler |
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CN (1) | CN201368450Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107036075A (en) * | 2017-06-05 | 2017-08-11 | 海伦市利民节能锅炉制造有限公司 | A kind of biomass molding fuel gasification combustion device continuously run |
CN113701136A (en) * | 2021-06-24 | 2021-11-26 | 秦月云 | Biomass multi-fuel steam pressure boiler |
-
2009
- 2009-03-20 CN CNU2009200932231U patent/CN201368450Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107036075A (en) * | 2017-06-05 | 2017-08-11 | 海伦市利民节能锅炉制造有限公司 | A kind of biomass molding fuel gasification combustion device continuously run |
CN107036075B (en) * | 2017-06-05 | 2023-04-18 | 海伦市利民节能锅炉制造有限公司 | Biomass briquette gasification burner capable of continuously running |
CN107036075B9 (en) * | 2017-06-05 | 2023-05-30 | 海伦市利民节能锅炉制造有限公司 | Continuously-running biomass briquette gasification burner |
CN113701136A (en) * | 2021-06-24 | 2021-11-26 | 秦月云 | Biomass multi-fuel steam pressure boiler |
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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: 20091223 Termination date: 20180320 |
|
CF01 | Termination of patent right due to non-payment of annual fee |