CN103234265A - Biomass fuel environment-friendly energy-saving boiler and waste heat recovery method - Google Patents
Biomass fuel environment-friendly energy-saving boiler and waste heat recovery method Download PDFInfo
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- CN103234265A CN103234265A CN2013101769204A CN201310176920A CN103234265A CN 103234265 A CN103234265 A CN 103234265A CN 2013101769204 A CN2013101769204 A CN 2013101769204A CN 201310176920 A CN201310176920 A CN 201310176920A CN 103234265 A CN103234265 A CN 103234265A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Provided are a biomass fuel environment-friendly energy-saving boiler and a waste heat recovery method. At present, a lot of boilers making use of biomass fuel for heating are used, boiler flues lose massive heat, the heat runs into the air in vain, massive heat energy is wasted, and the air and the environment are polluted. The biomass fuel environment-friendly energy-saving boiler comprises a waste heat recovery energy accumulator body (1) with a circulating water pipe. A group of smoke leading pipes (2) are installed in the waste heat recovery energy accumulator body. The smoke leading pipes are connected with the boiler (3), and the other ends of the smoke leading pipes are connected with a smoke leading machine (4). The waste heat recovery method is used for the biomass fuel boiler.
Description
Technical field
the present invention relates to a kind of biomass fuel environment-friendly and energy-saving furnace and exhaust heat recovering method.
Background technology
there is now a large amount of boilers that utilizes biomass fuel to be heated, boiler flue a large amount of heat that runs off, going in air in vain, wasted a large amount of heat energy, goes back contaminated air and environment.
chinese patent CN201220116552.5 discloses a kind of biomass stove flue gas heat recovery device, and the flue gas stream drier in biomass stove flue gas heat recovery device is arranged on the outside of biomass stove, has consumed heat, has wasted the energy.
Summary of the invention
the purpose of this invention is to provide a kind of take full advantage of biomass boiler more than abandon heat heating and follow
biomass fuel environment-friendly and energy-saving furnace and the exhaust heat recovering method of ring water.
described purpose is achieved by the following scheme:
a kind of biomass fuel environment-friendly and energy-saving furnace, its composition comprises: with the waste heat recovery accumulator body of circulating water pipe, be equipped with one group in described waste heat recovery accumulator body and draw smoke pipe, the described smoke pipe that draws connects boiler, and the described smoke pipe other end that draws connects smoke suction machine.
described biomass fuel environment-friendly and energy-saving furnace, described waste heat recovery accumulator body connects backwater trunk spool, the described backwater trunk spool other end connects described body of heater, described waste heat recovery accumulator body top connects overflow pipe, described overflow pipe connects spill box, and described waste heat recovery accumulator body top connects the hot water delivery pipe.
described biomass fuel environment-friendly and energy-saving furnace, described boiler comprises body of heater, and described lower portion of furnace body has combustion chamber, and the described mouth that advances that draws smoke pipe is positioned at top, described combustion chamber, and described combustion chamber connects fuel tank, and feeding screw is equipped with in described fuel tank bottom.
described biomass fuel environment-friendly and energy-saving furnace, described feeding screw has discharging opening, and described discharging opening connects the negative pressure firefighting fan, and below, described combustion chamber has air blast, and described discharging opening connects residue-removing opening.
described biomass fuel environment-friendly and energy-saving furnace, described body of heater connects the backwater efferent duct, connects internal recycle pipeline in described body of heater, in described body of heater, partition panel is housed, and described partition panel one end connects the described mouth that advances, and the described partition panel other end connects described body of heater.
described biomass fuel environment-friendly and energy-saving furnace, the described smoke pipe that draws is 6-16.
described biomass fuel environment-friendly and energy-saving furnace, the described smoke pipe that draws is 6.
described biomass fuel environment-friendly and energy-saving furnace, described air blast has ajutage, and the angle of described ajutage and horizontal direction is 167 °.
described biomass fuel environment-friendly and energy-saving furnace, described combustion chamber has bottom surface, and described bottom surface comprises plane, described plane connects little inclined-plane, and described little inclined-plane connects large inclined-plane, and described plane is long is 168mm, described little inclined-plane is long is 40mm, and described large inclined-plane is long is 149.65mm; The angle of described little inclined-plane and horizontal plane is 30 °, and the angle of described large inclined-plane and horizontal plane is 60 °.
a kind of exhaust heat recovering method of biomass fuel environment-friendly and energy-saving furnace, after biomass fuel in fuel tank falls, by feeding screw, biomass fuel is sent in combustion chamber, start negative pressure firefighting fan and air blast simultaneously, the heat produced by combustion chamber enters part with one group of flue that draws smoke pipe and enters drawing in smoke pipe in waste heat recovery accumulator body by flue outlet the water in circulating water pipe is heated, and the water after heating flows out through the hot water delivery pipe.
The invention has the beneficial effects as follows:
the present invention draws by one group a plurality of combustion chambers that smoke pipe forms and works simultaneously, fuel is supplied separately in each combustion chamber, can guarantee full combustion of fuel, raise the efficiency, during normal combustion, do not have flue dust to produce, make combustion chamber reach the oxygen-enriched combusting state, can fully guarantee the demand (gasification, and combustion, carbonization burning) of secondary combustion of biomass fuel, so sufficient combustion, do not produce flue dust.
many combustion chambers of the present invention can uniform feeding, guarantees that burning thoroughly; Easy to maintenance, even if there is a combustion chamber not work, do not affect whole heating yet; Thereby guarantee that the user does not have accidental loss to occur; Do not affect other combustion chamber normal operation in maintenance process; The for example heating of high-grade agricultural greenhouse, if cut-off midway will cause heavy losses, many combustion chamber boilers just can guarantee not occur such situation.
abandon heat more than the waste heat recovery accumulator that the present invention adopts recovery boiler generation fully, more than flowing through, abandon heat to draw the smoke pipe radical many, more than to abandon the time that heat stops within drawing smoke pipe long, the coolant-temperature gage heated is high, utilized fully boiler more than abandon heat, do not waste energy.
the angle of ajutage of the present invention and horizontal direction is that 167 ° of wind energies that guarantee that ajutage is sent enough make biomass fuel be fully burned, and saves the energy.
the length of combustion chamber of the present invention is long, area is large, can make biomass fuel can burn fully in combustion chamber, and the heat of generation is large.
the wind-force of the negative pressure firefighting fan that the present invention adopts is large, can dispel fully biomass fuel, makes burning more abundant, can not produce Carbon Deposit Phenomenon.
the feeding screw that the present invention adopts can all be sent into biomass fuel in combustion chamber, not there will be clogging, also not there will be a large amount of biomass fuels to enter in combustion chamber simultaneously, and feeding is even, burns.
the bottom surface of combustion chamber of the present invention adopts the ladder gradient, can guarantee that the dust after burning flows into ash hole automatically, is convenient to cleaning.
The accompanying drawing explanation
accompanying drawing 1 is structural representation of the present invention.
accompanying drawing 2 is outside drawings of accompanying drawing 1.
The specific embodiment
elaborate the preferred embodiment of the present invention below in conjunction with accompanying drawing.
embodiment mono-
a kind of biomass fuel environment-friendly and energy-saving furnace, as shown in accompanying drawing 1, accompanying drawing 2, its composition comprises: with the waste heat recovery accumulator body 1 of circulating water pipe, be equipped with one group in described waste heat recovery accumulator body and draw smoke pipe 2, the described smoke pipe that draws connects boiler 3, and the described smoke pipe other end that draws connects smoke suction machine 4.Described biomass fuel environment-friendly and energy-saving furnace, the described smoke pipe that draws is 6.6 are drawn smoke pipe coil installation in waste heat recovery accumulator bodies, abandon the distance of heat at waste heat recovery accumulator bulk flow warp more than making, heat recovery effective.6 are drawn smoke pipe and make combustion chamber form many chamber structures, guarantee that every is drawn smoke pipe and can independently carry out work, even there is one to draw smoke pipe and can not work, also do not affect burning.
embodiment bis-
the difference of the present embodiment and embodiment mono-is, as shown in accompanying drawing 1, accompanying drawing 2, described biomass fuel environment-friendly and energy-saving furnace, described waste heat recovery accumulator body connects backwater trunk spool 5, the described backwater trunk spool other end connects described body of heater, described waste heat recovery accumulator body top connects overflow pipe 6, and described overflow pipe connects spill box 7, and described waste heat recovery accumulator body top connects hot water delivery pipe 8.When the hot water in main line is used surplus, hot water can flow out and collect in spill box through overflow pipe.
embodiment tri-
the difference of the present embodiment and embodiment mono-is, as shown in accompanying drawing 1, accompanying drawing 2, described biomass fuel environment-friendly and energy-saving furnace, described boiler comprises body of heater, described lower portion of furnace body has combustion chamber 9, the described mouth that advances that draws smoke pipe is positioned at top, described combustion chamber, and described combustion chamber connects fuel tank 10, and feeding screw 11 is equipped with in described fuel tank bottom.
embodiment tetra-
the difference of the present embodiment and embodiment tri-is, as shown in accompanying drawing 1, accompanying drawing 2, described biomass fuel environment-friendly and energy-saving furnace, described feeding screw has discharging opening 12, described discharging opening connects negative pressure firefighting fan 13, below, described combustion chamber has air blast 14, and described discharging opening connects residue-removing opening 15.Feeding screw is sent into biomass fuel in combustion chamber uniformly.
embodiment five
the difference of the present embodiment and embodiment tri-is, as shown in accompanying drawing 1, accompanying drawing 2, described biomass fuel environment-friendly and energy-saving furnace, described body of heater connects backwater efferent duct 16, connect internal recycle pipeline 18 in described body of heater, partition panel 17 is housed in described body of heater, and described partition panel one end connects the described mouth that advances, and the described partition panel other end connects described body of heater.Partition panel will burn the smoke shelf that produces in combustion chamber, and the cigarette that burning is produced all enters in flue.
embodiment six
the difference of the present embodiment and embodiment mono-is, described biomass fuel environment-friendly and energy-saving furnace, and the described smoke pipe that draws is 6-16.
embodiment seven
the difference of the present embodiment and embodiment mono-is, as shown in accompanying drawing 1, accompanying drawing 2, and described biomass fuel environment-friendly and energy-saving furnace, described air blast has ajutage 19, and the angle of described ajutage and horizontal direction is 167 °.167 ° of angles all blow on biomass fuel wind.
embodiment eight
the difference of the present embodiment and embodiment mono-is, described biomass fuel environment-friendly and energy-saving furnace, described combustion chamber has bottom surface, described bottom surface comprises plane, described plane connects little inclined-plane, and described little inclined-plane connects large inclined-plane, and described plane is long is 168mm, described little inclined-plane is long is 40mm, and described large inclined-plane is long is 149.65mm; The angle of described little inclined-plane and horizontal plane is 30 °, and the angle of described large inclined-plane and horizontal plane is 60 °.Large inclined-plane makes the ash of burning automatically fall into ash hole.
embodiment nine
a kind of exhaust heat recovering method of biomass fuel environment-friendly and energy-saving furnace, after biomass fuel in fuel tank falls, by feeding screw, biomass fuel is sent in combustion chamber, start negative pressure firefighting fan and air blast simultaneously, the heat produced by combustion chamber enters part with one group of flue that draws smoke pipe and enters drawing in smoke pipe in waste heat recovery accumulator body by flue outlet the water in circulating water pipe is heated, and the water after heating flows out through the hot water delivery pipe.
embodiment ten
the difference of the present embodiment and embodiment seven is, the angle of the described ajutage of described biomass fuel environment-friendly and energy-saving furnace and horizontal direction is 160-170 °.
the difference of the present embodiment and embodiment eight is, described biomass fuel environment-friendly and energy-saving furnace, and described plane is long is 150--170mm, and described little inclined-plane is long is 30-50mm, and described large inclined-plane is long is 140--160mm; The angle of described little inclined-plane and horizontal plane is 20--40 °, and the angle of described large inclined-plane and horizontal plane is 50--70 °.Large inclined-plane makes the ash of burning automatically fall into ash hole.
the difference of the present embodiment and embodiment six is, described biomass fuel environment-friendly and energy-saving furnace, and the described smoke pipe that draws is 6 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16.
present embodiment is the exemplary illustration of this patent not to be limited to its protection domain; those skilled in the art can also carry out part to it and change; as long as no the Spirit Essence that exceeds this patent, all be considered as the replacement that is equal to this patent, all within the protection domain of this patent.
Claims (10)
1. a biomass fuel environment-friendly and energy-saving furnace, its composition comprises: with the waste heat recovery accumulator body of circulating water pipe, it is characterized in that being equipped with one group in described waste heat recovery accumulator body draws smoke pipe, the described smoke pipe that draws connects boiler, and the described smoke pipe other end that draws connects smoke suction machine.
2. biomass fuel environment-friendly and energy-saving furnace according to claim 1, it is characterized in that described waste heat recovery accumulator body connects backwater trunk spool, the described backwater trunk spool other end connects described body of heater, described waste heat recovery accumulator body top connects overflow pipe, described overflow pipe connects spill box, and described waste heat recovery accumulator body top connects the hot water delivery pipe.
3. biomass fuel environment-friendly and energy-saving furnace according to claim 1, it is characterized in that described boiler comprises body of heater, described lower portion of furnace body has combustion chamber, the described mouth that advances that draws smoke pipe is positioned at top, described combustion chamber, described combustion chamber connects fuel tank, and feeding screw is equipped with in described fuel tank bottom.
4. biomass fuel environment-friendly and energy-saving furnace according to claim 3, is characterized in that described feeding screw has discharging opening, and described discharging opening connects the negative pressure firefighting fan, and below, described combustion chamber has air blast, and described discharging opening connects residue-removing opening.
5. biomass fuel environment-friendly and energy-saving furnace according to claim 3, it is characterized in that described body of heater connects the backwater efferent duct, connect internal recycle pipeline in described body of heater, in described body of heater, partition panel is housed, described partition panel one end connects the described mouth that advances, and the described partition panel other end connects described body of heater.
6. biomass fuel environment-friendly and energy-saving furnace according to claim 1, is characterized in that the described smoke pipe that draws is 6-16.
7. biomass fuel environment-friendly and energy-saving furnace according to claim 1, is characterized in that the described smoke pipe that draws is 6.
8. biomass fuel environment-friendly and energy-saving furnace according to claim 1, is characterized in that described air blast has ajutage, and the angle of described ajutage and horizontal direction is 167 °.
9. biomass fuel environment-friendly and energy-saving furnace according to claim 1, it is characterized in that described combustion chamber has bottom surface, described bottom surface comprises plane, described plane connects little inclined-plane, described little inclined-plane connects large inclined-plane, described plane is long is 168mm, and described little inclined-plane is long is 40mm, and described large inclined-plane is long is 149.65mm; The angle of described little inclined-plane and horizontal plane is 30 °, and the angle of described large inclined-plane and horizontal plane is 60 °.
10. the exhaust heat recovering method of a biomass fuel environment-friendly and energy-saving furnace, after it is characterized in that biomass fuel in fuel tank falls, by feeding screw, biomass fuel is sent in combustion chamber, start negative pressure firefighting fan and air blast simultaneously, the heat produced by combustion chamber enters part with one group of flue that draws smoke pipe and enters drawing in smoke pipe in waste heat recovery accumulator body by flue outlet the water in circulating water pipe is heated, and the water after heating flows out through the hot water delivery pipe.
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| CN2013101769204A CN103234265A (en) | 2013-05-14 | 2013-05-14 | Biomass fuel environment-friendly energy-saving boiler and waste heat recovery method |
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| CN2013101769204A CN103234265A (en) | 2013-05-14 | 2013-05-14 | Biomass fuel environment-friendly energy-saving boiler and waste heat recovery method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202359A (en) * | 2017-05-24 | 2017-09-26 | 徐树新 | Efficient general biomass fuel heating installation |
| CN112325478A (en) * | 2020-11-19 | 2021-02-05 | 李良德 | Energy-saving boiler flue gas waste heat recovery equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340071Y (en) * | 2009-01-07 | 2009-11-04 | 贺全顺 | Multifunctional energy-saving and environment-friendly waste heat boiler |
| CN101839475A (en) * | 2010-04-13 | 2010-09-22 | 广东兆丰能源技术有限公司 | Biomass fuel combustion device |
| CN202012906U (en) * | 2011-01-13 | 2011-10-19 | 佳木斯技师学院 | Biomass particles solid fuel boiler |
| CN203215981U (en) * | 2013-05-14 | 2013-09-25 | 黑龙江龙福环保科技开发有限公司 | Environment-friendly and energy-saving biomass fuel boiler |
-
2013
- 2013-05-14 CN CN2013101769204A patent/CN103234265A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340071Y (en) * | 2009-01-07 | 2009-11-04 | 贺全顺 | Multifunctional energy-saving and environment-friendly waste heat boiler |
| CN101839475A (en) * | 2010-04-13 | 2010-09-22 | 广东兆丰能源技术有限公司 | Biomass fuel combustion device |
| CN202012906U (en) * | 2011-01-13 | 2011-10-19 | 佳木斯技师学院 | Biomass particles solid fuel boiler |
| CN203215981U (en) * | 2013-05-14 | 2013-09-25 | 黑龙江龙福环保科技开发有限公司 | Environment-friendly and energy-saving biomass fuel boiler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202359A (en) * | 2017-05-24 | 2017-09-26 | 徐树新 | Efficient general biomass fuel heating installation |
| CN112325478A (en) * | 2020-11-19 | 2021-02-05 | 李良德 | Energy-saving boiler flue gas waste heat recovery equipment |
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Application publication date: 20130807 |