CN103884009B - A kind of biomass thermal wind furnace - Google Patents
A kind of biomass thermal wind furnace Download PDFInfo
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- CN103884009B CN103884009B CN201410143680.2A CN201410143680A CN103884009B CN 103884009 B CN103884009 B CN 103884009B CN 201410143680 A CN201410143680 A CN 201410143680A CN 103884009 B CN103884009 B CN 103884009B
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- wind
- cooling
- emergency discharge
- mouth
- combustion chamber
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- 239000002028 Biomass Substances 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 238000002485 combustion reaction Methods 0.000 claims abstract description 47
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 15
- 210000000481 breast Anatomy 0.000 claims abstract description 10
- 239000000446 fuel Substances 0.000 abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 14
- 239000003546 flue gas Substances 0.000 abstract description 14
- 238000010304 firing Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a kind of biomass thermal wind furnace, comprise hot-blast stove body and emergency discharge chimney (12), hot-blast stove body comprises charge door (3), fire grate (2), ashcan (1), front combustion chamber (5), after-burner (10), first grade subsides room (8), first cooling by wind beam (6), second wind cooling beam (9), smokestack (7), emergency discharge chimney (12) comprises flame-retardant board (14), three grades of expansion chambers (16), the cold mouth of tertiary air (17), emergency discharge chimney breast (15), emergency discharge mouth (13), front combustion chamber (5) and first grade subsides room (8) are interconnected by smokestack (7) on top, after-burner (10) and first grade subsides room (8) are interconnected in bottom, emergency discharge chimney (12) is connected with after-burner (10), high-temperature flue gas Tortuous flow in hot-blast stove body that front combustion chamber (5) burning produces.Present invention achieves secondary firing, fuel combustion is abundant, the thermal efficiency is high, pollutes little.
Description
Technical field
The invention belongs to field of combustion equipment, be specifically related to a kind of biomass thermal wind furnace.
Background technology
Biomass molding fuel briquetting is that living beings are produced through collection, fragmentation, oven dry, Profile procoess.In production process, a key problem in technology of raw material stoving is exactly the water content of its raw material will be reduced by 8% ~ 12%.Drying means general is at present the direct heating, drying biomass material of hot blast utilizing biomass thermal wind furnace to produce.Present stage, China's biomass thermal wind furnace major part adopts biomass block as fuel.And biomass block is varied, generally there is the features such as content of ashes is high, burning is rapid, fuel value is low, easy coking.So improve efficiency of combustion, abundant dedusting, to reduce the pollution of environment be the development biological combustion technology two indices that must reach.At present, in hand burning biomass stove, biomass fuel can not burn completely, dedusting is insufficient, output is unstable, and the method for traditional hot-blast stove logical natural wind under adopting fire grate, efficiency of combustion is low, and damage ratio is more serious.
Summary of the invention
For the problems referred to above, the object of the invention is to provide a kind of biomass thermal wind furnace, realize fuel-staged combustion, fuel supplies continuously, evenly, the hot blast temperature of generation is adjustable, burning thoroughly, the little target of Multistage settling, pollution.
The object of the invention is to be achieved through the following technical solutions:
A kind of biomass thermal wind furnace, comprises hot-blast stove body and emergency discharge chimney 12, wherein:
Hot-blast stove body comprises charge door 3, fire grate 2, front combustion chamber 5, after-burner 10, first grade subsides room 8, first cooling by wind beam 6, second wind cooling beam 9, smokestack 7;
Fire grate 2 is positioned at bottom front combustion chamber 5, and charge door 3 is positioned on the left of hot-blast stove body, above fire grate 2;
Front combustion chamber 5 comprises front combustion chamber, face arch 4, rear arch 11 and first cooling by wind beam 6, and face arch 4 is positioned at the left side of inside, front combustion chamber 5, and the lower arch face tilt of face arch 4 is horizontal by certain angle; Rear arch 11 is positioned at above fire grate 2, is connected with first cooling by wind beam 6, and smokestack 7 is connected with first cooling by wind beam 6;
After-burner 10 comprises after-combustion chamber and second wind cooling beam 9, and first grade subsides room 8 and after-burner 10 top separate by second wind cooling beam 9;
Front combustion chamber 5 is interconnected by smokestack 7 on top with first grade subsides room 8, and after-burner 10 and first grade subsides room 8 are interconnected in bottom, and emergency discharge chimney 12 is connected with after-burner 10;
Emergency discharge chimney 12 is positioned on the right side of hot-blast stove body, comprise flame-retardant board 14, three grades of expansion chambers 16, the cold mouth 17 of tertiary air, emergency discharge chimney breast 15 and emergency discharge mouth 13, it is inner that flame-retardant board 14 is positioned at emergency discharge chimney 12, three grades of expansion chambers 16 are positioned on the left of flame-retardant board 14, the cold mouth 17 of tertiary air is positioned on the right side of flame-retardant board 14, emergency discharge chimney breast 15 is arranged in tertiary air cold mouth 17 homonymy, and emergency discharge mouth 13 is positioned at emergency discharge chimney 12 upper end.
First cooling by wind beam 6 is provided with first cooling by wind mouth 18, and first cooling by wind mouth 18 opening direction is relative with face arch 11, and first cooling by wind beam 6 is connected with external blower by valve.
Second wind cooling beam 9 is provided with second wind cooling mouth 19, and second wind cooling mouth 19 opening direction is contrary with first cooling by wind mouth 18 opening direction, and second wind cooling beam 9 is connected with external blower by valve.
The cold mouth 17 of tertiary air is connected with external blower by valve.
Fire grate 2 is traveling-grate stoker.
Also comprise ashcan 1, it is positioned at bottom fire grate 2.
Beneficial effect of the present invention is:
1, change the hot-blast stove only with single chamber structure in the past, be arranged to the grate furnace structure that can realize secondary firing.
2, by realizing secondary firing, such that fuel combustion is abundant, the thermal efficiency is high.
3, Multistage settling is realized to the high-temperature flue gas produced, finally become clean hot blast, discharge pollutants few.
4, produce hot blast temperature, air quantity is adjustable.
5, compact conformation, rationally, easily with transport and Fast Installation.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of a kind of biomass thermal wind furnace of the present invention;
Fig. 2 is in a kind of biomass thermal wind furnace of the present invention, the partial enlarged drawing of first cooling by wind beam and second wind cooling beam.
Reference numeral:
1 ashcan 2 fire grate 3 charge door
4 face arch 5 front combustion chamber 6 first cooling by wind beams
7 smokestack 8 first grade subsides room 9 second wind cooling beams
10 after-burner 11 rear arch 12 emergency discharge chimneys
13 emergency discharge mouth 14 flame-retardant board 15 emergency discharge chimney breasts
16 3 grades of expansion chamber 17 tertiary air cold mouth 18 first cooling by wind mouths
19 second wind cooling mouths
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
A kind of biomass thermal wind furnace, comprise hot-blast stove body and emergency discharge chimney 12, wherein, hot-blast stove body is preferably cuboid, comprises charge door 3, fire grate 2, ashcan 1, front combustion chamber 5, after-burner 10, first grade subsides room 8, first cooling by wind beam 6, second wind cooling beam 9, smokestack 7.Emergency discharge chimney 12 is preferably cylindrical shape, comprises flame-retardant board 14, three grades of expansion chambers 16, the cold mouth 17 of tertiary air, emergency discharge chimney breast 15, emergency discharge mouth 13.
First cooling by wind beam 6 is provided with first cooling by wind mouth 18, and second wind cooling beam 9 is provided with second wind cooling mouth 19, is connected with external blower by valve, for supplementary air; The cold mouth 17 of tertiary air is connected with external blower by valve, for regulating hot blast temperature and air quantity; Front combustion chamber 5 is interconnected by smokestack 7 on top with first grade subsides room 8; After-burner 10 and first grade subsides room 8 are interconnected in bottom; Emergency discharge chimney 12 is connected with after-burner 10; Burn the high-temperature flue gas Tortuous flow in hot-blast stove body produced in front combustion chamber 5.
Ashcan 1 is positioned at bottom fire grate 2, for collecting the ashes after fuel combustion.
Fire grate 2 is traveling-grate stoker, is positioned at the bottom of the front combustion chamber 5 of hot-blast stove body, burns for feed.
Charge door 3 is positioned on the left of hot-blast stove body, above fire grate 2, for charging.
Front combustion chamber 5 comprises front combustion chamber, face arch 4, rear arch 11 and first cooling by wind beam 6, front combustion chamber 5 is spaced from each other with after-burner 10, biomass fuel carries out single-stage combustion in front combustion chamber 5, and the high-temperature flue gas of generation carries out secondary firing in after-burner 10.
After-burner 10 comprises after-combustion chamber and second wind cooling beam 9, and to realize high-temperature flue gas secondary firing and to be delivered to emergency discharge chimney 12, the dust simultaneously in after-burner 10 pairs of high-temperature flue gas has the effect of secondary sedimentation.
First grade subsides room 8 is communicated with front combustion chamber 5 by smokestack 7, with sedimentation dust.
Face arch 4 is positioned at the left side of inside, front combustion chamber 5, and lower arch face tilt, horizontal by certain angle, coordinates the high-temperature flue gas that burning is produced to form circulation with first cooling by wind beam 6.
Rear arch 11 is positioned at above fire grate 2, is connected with first cooling by wind beam 6, after-burner 10 and first grade subsides room 9 is separated, meanwhile, to biomass fuel preheating with front combustion chamber 5.
First cooling by wind beam 6 is connected with rear arch 11, and first cooling by wind beam 6 is provided with first cooling by wind mouth 18, and first cooling by wind mouth 18 opening direction is relative with face arch 11, and first cooling by wind beam 6 is connected with external blower by valve, with supplementary air.
First grade subsides room 8 and after-burner 10 top separate by second wind cooling beam 9, second wind cooling beam 9 is provided with second wind cooling mouth 19, second wind cooling mouth 19 opening direction is contrary with first cooling by wind mouth 18 opening direction, and second wind cooling beam 9 is connected with external blower by valve, with supplementary air.
Smokestack 7 is connected with first cooling by wind beam 6, the high-temperature flue gas produced with front combustion chamber 5 of circulating.
It is inner that flame-retardant board 14 is positioned at emergency discharge chimney 12, to remove Mars and dust.
Three grades of expansion chambers 16 are positioned at the left inside side of flame-retardant board 14, with sedimentation dust.
The cold mouth 17 of tertiary air is positioned on the right side of flame-retardant board 14, to regulate temperature and the air quantity of the high-temperature flue gas of emergency discharge chimney breast 15.
Emergency discharge chimney breast 15 is arranged in tertiary air cold mouth 17 homonymy, with the hot blast to other equipment supply suitable temperature.
Emergency discharge mouth 13 is positioned at emergency discharge chimney 12 upper end, and hot-blast stove is in case of emergency stopped other equipment hot wind supplies, and the hot blast that hot-blast stove is produced is discharged to the external world by emergency discharge mouth 13, plays safety for wind action.
Hot-blast stove outside is furnished with air-introduced machine and air blast, and air-introduced machine makes to realize tiny structure burning in combustion chamber, and air blast is connected, with supplementary air with the cold mouth 17 of first cooling by wind beam 6, second wind cooling beam 9 and tertiary air by valve.
During work, biomass block fuel is thrown on fire grate 2 through charge door 3, fuel is along with burning the front combustion chamber 5 that moves into of fire grate 2, in front combustion chamber 5, face arch 4 and rear arch 11 carry out preheating by the temperature after last fuel combustion to fuel, air blast by first cooling by wind beam 6 and first cooling by wind mouth 18 to front combustion chamber to wind, fuel combustion, produce high-temperature flue gas, high-temperature flue gas enters first grade subsides room 8 through smokestack 7, first grade subsides room 8 make in high-temperature flue gas with particle dust progressively sedimentation, then high-temperature flue gas enters after-burner 10 along rear arch 11, air blast gives wind by second wind cooling beam 9 and second wind cooling mouth 19 pairs of after-burners 10, make unburned naked light secondary Thorough combustion, while burning, in after-burner 10 pairs of high-temperature flue gas with particle dust carry out secondary settlement, form cleaner hot blast, enter emergency discharge chimney 12, Mars in hot blast and dust is removed by flame-retardant board 14, simultaneously hot blast enters three grades of expansion chambers 16 and again carries out sedimentation dedusting, hot blast temperature and air quantity is regulated by the cold mouth 17 of tertiary air, reach the hot blast that user requires, other equipment is supplied by emergency discharge chimney breast 15, for user.Wherein, when there is emergency, can stop user's hot wind supply by emergency discharge mouth 13, the hot blast that hot-blast stove is produced is discharged to the external world by emergency discharge mouth 13, plays safety for wind action.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a biomass thermal wind furnace, is characterized in that: it comprises hot-blast stove body and emergency discharge chimney (12), wherein:
Hot-blast stove body comprises charge door (3), fire grate (2), front combustion chamber (5), after-burner (10), first grade subsides room (8), first cooling by wind beam (6), second wind cooling beam (9), smokestack (7);
Fire grate (2) is positioned at bottom, front combustion chamber (5), and charge door (3) is positioned on the left of hot-blast stove body, fire grate (2) top;
Front combustion chamber (5) comprises front combustion chamber, face arch (4), rear arch (11) and first cooling by wind beam (6), and face arch (4) is positioned at inner left side, front combustion chamber (5), and the lower arch face tilt of face arch (4) is horizontal by certain angle; Rear arch (11) is positioned at fire grate (2) top, and be connected with first cooling by wind beam (6), smokestack (7) is connected with first cooling by wind beam (6);
After-burner (10) comprises after-combustion chamber and second wind cooling beam (9), and first grade subsides room (8) and after-burner (10) top separate by second wind cooling beam (9);
Front combustion chamber (5) and first grade subsides room (8) are interconnected by smokestack (7) on top, and after-burner (10) and first grade subsides room (8) are interconnected in bottom, and emergency discharge chimney (12) is connected with after-burner (10);
Emergency discharge chimney (12) is positioned on the right side of hot-blast stove body, comprise flame-retardant board (14), three grades of expansion chambers (16), the cold mouth of tertiary air (17), emergency discharge chimney breast (15) and emergency discharge mouths (13), it is inner that flame-retardant board (14) is positioned at emergency discharge chimney (12), three grades of expansion chambers (16) are positioned at flame-retardant board (14) left side, the cold mouth of tertiary air (17) is positioned at flame-retardant board (14) right side, emergency discharge chimney breast (15) is arranged in the cold mouth of tertiary air (17) homonymy, and emergency discharge mouth (13) is positioned at emergency discharge chimney (12) upper end.
2. a kind of biomass thermal wind furnace as claimed in claim 1, it is characterized in that: first cooling by wind beam (6) is provided with first cooling by wind mouth (18), first cooling by wind mouth (18) opening direction is relative with face arch (11), and first cooling by wind beam (6) is connected with external blower by valve.
3. a kind of biomass thermal wind furnace as claimed in claim 2, it is characterized in that: second wind cooling beam (9) is provided with second wind cooling mouth (19), second wind cooling mouth (19) opening direction is contrary with first cooling by wind mouth (18) opening direction, and second wind cooling beam (9) is connected with external blower by valve.
4. a kind of biomass thermal wind furnace as claimed in claim 1, is characterized in that: the cold mouth of tertiary air (17) is connected with external blower by valve.
5. a kind of biomass thermal wind furnace as claimed in claim 1, is characterized in that: fire grate (2) is traveling-grate stoker.
6. a kind of biomass thermal wind furnace as claimed in claim 1, is characterized in that: also comprise ashcan (1), and it is positioned at fire grate (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143680.2A CN103884009B (en) | 2014-04-11 | 2014-04-11 | A kind of biomass thermal wind furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143680.2A CN103884009B (en) | 2014-04-11 | 2014-04-11 | A kind of biomass thermal wind furnace |
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| Publication Number | Publication Date |
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| CN103884009A CN103884009A (en) | 2014-06-25 |
| CN103884009B true CN103884009B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410143680.2A Expired - Fee Related CN103884009B (en) | 2014-04-11 | 2014-04-11 | A kind of biomass thermal wind furnace |
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| Country | Link |
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| CN (1) | CN103884009B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654277B (en) * | 2015-02-03 | 2017-01-04 | 杨俊栋 | Chain and flight grate biological particles burning boiler |
| CN105091551A (en) * | 2015-08-30 | 2015-11-25 | 汝州春秋生物质能源机电设备有限公司 | Biomass briquette hot blast heater of grain drying machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285867Y (en) * | 1996-10-16 | 1998-07-08 | 高克让 | Steam and heat transfer oil boiler |
| US6067916A (en) * | 1996-12-03 | 2000-05-30 | Martin Gmbh Fur Umwelt- Und Energietechnik | Process and device for producing and utilizing gas from waste materials |
| CN2479371Y (en) * | 2001-05-28 | 2002-02-27 | 武绍之 | Medical refuse incierator using reciprocating grate and S-shape hearth |
| CN101818891A (en) * | 2010-04-20 | 2010-09-01 | 浙江金锅锅炉有限公司 | Industrial boiler for burning bio-briquettes |
| CN101986035A (en) * | 2010-12-10 | 2011-03-16 | 常州市三信环保设备有限公司 | Hearth of household garbage incinerator |
| CN202452516U (en) * | 2012-06-24 | 2012-09-26 | 湘潭锅炉有限责任公司 | Secondary air inlet biomass boiler |
-
2014
- 2014-04-11 CN CN201410143680.2A patent/CN103884009B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285867Y (en) * | 1996-10-16 | 1998-07-08 | 高克让 | Steam and heat transfer oil boiler |
| US6067916A (en) * | 1996-12-03 | 2000-05-30 | Martin Gmbh Fur Umwelt- Und Energietechnik | Process and device for producing and utilizing gas from waste materials |
| CN2479371Y (en) * | 2001-05-28 | 2002-02-27 | 武绍之 | Medical refuse incierator using reciprocating grate and S-shape hearth |
| CN101818891A (en) * | 2010-04-20 | 2010-09-01 | 浙江金锅锅炉有限公司 | Industrial boiler for burning bio-briquettes |
| CN101986035A (en) * | 2010-12-10 | 2011-03-16 | 常州市三信环保设备有限公司 | Hearth of household garbage incinerator |
| CN202452516U (en) * | 2012-06-24 | 2012-09-26 | 湘潭锅炉有限责任公司 | Secondary air inlet biomass boiler |
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| Publication number | Publication date |
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| CN103884009A (en) | 2014-06-25 |
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Granted publication date: 20160309 |