CN103542518B - Biomass double-heat-exchangereversal reversal burning type hot-air furnace - Google Patents
Biomass double-heat-exchangereversal reversal burning type hot-air furnace Download PDFInfo
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- CN103542518B CN103542518B CN201310481437.7A CN201310481437A CN103542518B CN 103542518 B CN103542518 B CN 103542518B CN 201310481437 A CN201310481437 A CN 201310481437A CN 103542518 B CN103542518 B CN 103542518B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
nullBiomass double-heat-exchangereversal reversal burning type hot-air furnace of the present invention includes body of heater，Burner hearth and secondary furnace it is provided with in body of heater，It is communicated with mouth on its division wall，Lower furnace portion is provided with fire grate，Roof of the furnace is provided with charge door and air inlet，Burner hearth side is provided with ash hole，Heat exchanger it is provided with in secondary furnace，The flue that goes out of heat exchanger connects with the outlet flue of secondary furnace side，Heat exchanger one end is provided with cold wind import，The other end is hot-blast outlet，In burner hearth、Fire grate be provided above heat exchange fire grate，Hearth combustion vaporizer is formed between fire grate and heat exchange fire grate，Heat exchange fire grate is made up of air inlet main pipe and air-out arm，Air inlet main pipe one end is stretched out from burner hearth side furnace wall，Air-out arm one end connects with air inlet main pipe，The other end enters in secondary furnace through the partition wall burner hearth and secondary furnace，Air inlet main pipe and air-out arm use stainless steel material to make，Partition wall between furnace wall and burner hearth and secondary furnace is the insulated wall using laying fireproof bricks.The present invention makes full use of heat, improves the utilization rate of air stove, and recuperative furnace queues anti-burning and acts on, and contributes to biomass fuel and burns completely, makes full use of fuel, energy-conserving and environment-protective.
Description
Technical field
The invention belongs to biomass burner technical field, particularly relate to a kind of biomass double-heat-exchangereversal reversal burning type hot-air furnace.
Background technology
The design of existing biomass hot air furnace structure is unreasonable, and in there is burner hearth, temperature is the highest, the defect that heat can not fully be utilized, cause furnace exit temperature too high, and then cause part heat exchange temperature too high, cause high temperature oxidation and corrosion so that heat exchanger is substantially reduced service life；Additionally, this air stove structure is made up of steel plate materials due to body of heater, heat conduction is fast, and thermal losses is big so that whole boiler insulation effect is bad.
Summary of the invention
The technical problem to be solved in the present invention overcomes above-mentioned the deficiencies in the prior art exactly, and provides a kind of heat utilization efficiency high, high insulating effect, and the biomass double-heat-exchangereversal reversal burning type hot-air furnace that heat exchanger service life is higher.
For solving above-mentioned technical problem, the technical scheme is that
nullA kind of biomass double-heat-exchangereversal reversal burning type hot-air furnace，Including body of heater，In body of heater, left and right is respectively arranged with burner hearth and secondary furnace，It is communicated with mouth on partition wall between burner hearth and secondary furnace，In burner hearth, bottom is provided with fire grate，Roof of the furnace furnace wall is provided with charge door and air inlet，It is provided with ash hole bottom the furnace wall of burner hearth side，Heat exchanger it is provided with in secondary furnace，The flue that goes out of heat exchanger connects with the outlet flue on furnace wall top, secondary furnace side，Heat exchanger one end is provided with cold wind import，The other end is hot-blast outlet，In burner hearth、The top of fire grate is provided with heat exchange fire grate simultaneously，Hearth combustion vaporizer is formed between fire grate and heat exchange fire grate，Described heat exchange fire grate is made up of an air inlet main pipe and multiple air-out arm，Air inlet main pipe one end is stretched out from burner hearth side furnace wall，Its end is cold wind import，Air-out arm one end connects with air inlet main pipe，The other end enters in secondary furnace through the partition wall burner hearth and secondary furnace，Its end is hot-blast outlet，Described air inlet main pipe and air-out arm use stainless steel material to make，Partition wall between described furnace wall and burner hearth and secondary furnace is the insulated wall using laying fireproof bricks.
Described roof of the furnace furnace wall is the inclined-plane that outside is downward-sloping.
It is provided with charging slag notch on furnace wall top, burner hearth side.
It is provided with ash discharge charge door on correspondence position between burner hearth side furnace wall, fire grate and heat exchange fire grate.
Described heat exchanger includes flat tube sheet, and flat tube sheet is vertically interspersed with many heat exchanger tubes, and also include that heat exchanger tube both sides are oppositely arranged enters cold air duct and hot air duct road, and tube end side arrange go out flue.
It is provided with base at bottom of furnace body.
Technical solution of the present invention provides the benefit that:
1, structurally, biomass double-heat-exchangereversal reversal burning type hot-air furnace of the present invention has additional heat exchange fire grate above fire grate, air inlet main pipe and air-out arm that heat exchange fire grate is made up of stainless steel material are constituted, this heat exchange fire grate acts not only as combustion apparatus, and it is also used as heat exchanger, cold wind carries out heat exchange in air inlet main pipe and air-out arm, change hot blast into use, make full use of heat in body of heater, improve heat utilization efficiency, and also avoid because fire box temperature is the highest, caused furnace exit temperature is too high, and then cause part heat exchange temperature too high, cause high temperature oxidation and corrosion, and drive service life and reduce, improve the service life of heat exchanger；Additionally, burner hearth and the furnace wall of secondary furnace and partition wall use refractory concrete insulation, it is ensured that temperature is not scattered and disappeared, and fully ensures that the burning of the temperature required for biomass fuel combustion, beneficially biomass fuel.
2, structurally, heat exchange fire grate of the present invention is as combustion apparatus, and biomass fuel is fallen through charge door and burnt on heat exchange fire grate, the fuel not having after-flame drops to burn away on the fire grate of bottom, fuel combustion is more abundant, makes full use of fuel, does not cause fuel material to waste；Forming hearth combustion vaporizer between fire grate and heat exchange fire grate, fuel gasifies in these indoor, contributes to the burning completely of biomass fuel volatile matter, energy-conservation environmental protection again.
3, structurally, of the present invention it is provided with charging slag notch on furnace wall top, burner hearth side, it is simple to the waste fuel on heat exchanging fire grate is cleared up in time, easy for operation；Between burner hearth side furnace wall, fire grate and heat exchange fire grate, it is provided with ash discharge charge door on correspondence position, the most completely burned off fuel is carried out second-time burning, makes full use of fuel, do not cause the waste of fuel, save biomass energy.
4, to sum up, biomass double-heat-exchangereversal reversal burning type hot-air furnace of the present invention uses double heat exchanger, makes full use of heat, improves the utilization rate of air stove, and recuperative furnace queues the effect of anti-burning, contribute to biomass fuel to burn completely, take full advantage of fuel, energy-conservation environmental protection again, and integral heat insulation performance is good, easy for operation, therefore, it is very suitable for promotion and implementation.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of biomass double-heat-exchangereversal reversal burning type hot-air furnace of the present invention；
Fig. 2 is the A-A sectional structure schematic diagram of biomass double-heat-exchangereversal reversal burning type hot-air furnace shown in Fig. 1；
Fig. 3 is the B-B sectional structure schematic diagram of biomass double-heat-exchangereversal reversal burning type hot-air furnace shown in Fig. 1；
Fig. 4 is the structural representation of the heat exchange fire grate of biomass double-heat-exchangereversal reversal burning type hot-air furnace of the present invention
Fig. 5 is the structural representation of the heat exchanger in the secondary furnace of biomass double-heat-exchangereversal reversal burning type hot-air furnace of the present invention；
Fig. 6 is the heat exchanger C-C sectional structure schematic diagram in the secondary furnace of biomass double-heat-exchangereversal reversal burning type hot-air furnace shown in Fig. 5；
Fig. 7 is the heat exchanger D-D sectional structure schematic diagram in the secondary furnace of biomass double-heat-exchangereversal reversal burning type hot-air furnace shown in Fig. 5；
Sequence number in figure: 1, burner hearth, 2, secondary furnace, 3, partition wall, 4, connected entrance, 5, fire grate, 6, charge door, 7, air inlet, 8, ash hole, 9, heat exchanger, 9-1, flat tube sheet, 9-2, heat exchanger tube, 9-3, enter cold air duct, 9-4, hot air duct road, 9-5, go out flue, and 10, outlet flue, 11, cold wind import, 12, hot-blast outlet, 13, heat exchange fire grate, 13-1, air inlet main pipe, 13-2, air-out arm, 14, hearth combustion vaporizer, 15, furnace wall, 16, charging slag notch, 17, ash discharge charge door, 18, base.
Detailed description of the invention
Embodiment one:
nullSee Fig. 1 to Fig. 4，In figure，Biomass double-heat-exchangereversal reversal burning type hot-air furnace of the present invention，Including body of heater，In body of heater, left and right is respectively arranged with burner hearth 1 and secondary furnace 2，It is communicated with mouth 4 on partition wall 3 between burner hearth and secondary furnace，In burner hearth, bottom is provided with fire grate 5，Roof of the furnace furnace wall is provided with charge door 6 and air inlet 7，It is provided with ash hole 8 bottom the furnace wall of burner hearth side，Heat exchanger 9 it is provided with in secondary furnace，It is provided with outlet flue 10 on furnace wall top, secondary furnace side，For connecing air-introduced machine，The flue that goes out of heat exchanger connects with the outlet flue on furnace wall top, secondary furnace side，Heat exchanger one end is provided with cold wind import 11，For connecing aerator，The other end is hot-blast outlet 12，In burner hearth、The top of fire grate is provided with heat exchange fire grate 13 simultaneously，Hearth combustion vaporizer 14 is formed between fire grate and heat exchange fire grate，Described heat exchange fire grate is made up of air inlet main pipe 13-1 and multiple air-out arm 13-2，Air inlet main pipe one end is stretched out from burner hearth side furnace wall，Its end is cold wind import，For connecing aerator，Air-out arm one end connects with air inlet main pipe，The other end enters in secondary furnace through the partition wall burner hearth and secondary furnace，Its end is hot-blast outlet，Described air inlet main pipe and air-out arm use stainless steel material to make，Partition wall between described furnace wall 15 and burner hearth and secondary furnace is the insulated wall using laying fireproof bricks.
Described roof of the furnace furnace wall is the inclined-plane that outside is downward-sloping.
Charging slag notch 16 it is provided with on furnace wall top, burner hearth side.
It is provided with ash discharge charge door 17 on correspondence position between burner hearth side furnace wall, fire grate and heat exchange fire grate.
It is provided with base 18 at bottom of furnace body.
See Fig. 5 to Fig. 7, in figure, described heat exchanger includes flat tube sheet 9-1, and flat tube sheet is vertically interspersed with many heat exchanger tube 9-2, also include that heat exchanger tube both sides are oppositely arranged enters cold air duct 9-3 and hot air duct road 9-4, and tube end side arrange go out flue 9-5.
The foregoing is only the schematic detailed description of the invention of the present invention; it is not limited to the scope of the present invention; equivalent variations that any those skilled in the art is made on the premise of without departing from present inventive concept and principle and amendment, all should belong to the scope of protection of the invention.
Claims (6)
- null1. a biomass double-heat-exchangereversal reversal burning type hot-air furnace，Including body of heater，In body of heater, left and right is respectively arranged with burner hearth and secondary furnace，It is communicated with mouth on partition wall between burner hearth and secondary furnace，In burner hearth, bottom is provided with fire grate，Roof of the furnace furnace wall is provided with charge door and air inlet，It is provided with ash hole bottom the furnace wall of burner hearth side，Heat exchanger it is provided with in secondary furnace，The flue that goes out of heat exchanger connects with the outlet flue on furnace wall top, secondary furnace side，One end of heat exchanger is provided with cold wind import，The other end is hot-blast outlet，It is characterized in that: in burner hearth、The top of fire grate is provided with heat exchange fire grate simultaneously，Hearth combustion vaporizer is formed between fire grate and heat exchange fire grate，Described heat exchange fire grate is made up of an air inlet main pipe and multiple air-out arm，Air inlet main pipe one end is stretched out from burner hearth side furnace wall，Its end is cold wind import，Air-out arm one end connects with air inlet main pipe，The other end enters in secondary furnace through the partition wall burner hearth and secondary furnace，Its end is hot-blast outlet，Described air inlet main pipe and air-out arm use stainless steel material to make，Partition wall between described furnace wall and burner hearth and secondary furnace is the insulated wall using laying fireproof bricks.
- Biomass double-heat-exchangereversal reversal burning type hot-air furnace the most according to claim 1, is characterized in that: described roof of the furnace furnace wall is the inclined-plane that outside is downward-sloping.
- Biomass double-heat-exchangereversal reversal burning type hot-air furnace the most according to claim 1, is characterized in that: be provided with charging slag notch on furnace wall top, burner hearth side.
- Biomass double-heat-exchangereversal reversal burning type hot-air furnace the most according to claim 1, is characterized in that: be provided with ash discharge charge door on correspondence position between burner hearth side furnace wall, fire grate and heat exchange fire grate.
- Biomass double-heat-exchangereversal reversal burning type hot-air furnace the most according to claim 1, it is characterized in that: described heat exchanger includes flat tube sheet, many heat exchanger tubes vertically it are interspersed with on flat tube sheet, also include that heat exchanger tube both sides are oppositely arranged enters cold air duct and hot air duct road, and tube end side arrange go out flue.
- Biomass double-heat-exchangereversal reversal burning type hot-air furnace the most according to claim 1, is characterized in that: be provided with base at bottom of furnace body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310481437.7A CN103542518B (en) | 2013-10-16 | 2013-10-16 | Biomass double-heat-exchangereversal reversal burning type hot-air furnace |
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| CN201310481437.7A CN103542518B (en) | 2013-10-16 | 2013-10-16 | Biomass double-heat-exchangereversal reversal burning type hot-air furnace |
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| CN103542518A CN103542518A (en) | 2014-01-29 |
| CN103542518B true CN103542518B (en) | 2016-08-10 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940079B (en) * | 2014-03-25 | 2019-01-04 | 青岛傲烽节能设备有限公司 | A kind of new and effective smokeless back firing boiler |
| CN104964443A (en) * | 2015-07-01 | 2015-10-07 | 魏万军 | Hot-blast heater |
| CN113483488A (en) * | 2021-06-09 | 2021-10-08 | 盐城工学院 | Full-automatic hot-blast stove |
| CN113418297B (en) * | 2021-06-09 | 2022-05-24 | 盐城工学院 | Reverse burning hot blast stove |
Citations (6)
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|---|---|---|---|---|
| US5273209A (en) * | 1992-03-23 | 1993-12-28 | Macarthur Charles E | Heat exchange and fuel feed apparatus for vertical furnace |
| CN2591421Y (en) * | 2002-09-18 | 2003-12-10 | 孙泽生 | Full-automatic coal-firing hot-blast stove |
| CN201672668U (en) * | 2010-06-17 | 2010-12-15 | 青州市硕阳热风炉厂 | Energy-saving hot-blast furnace |
| CN202057034U (en) * | 2011-02-21 | 2011-11-30 | 朔州市朔城区荣申达新能源技术服务有限公司 | Biomass reverse-burning multi-return stroke low-carbon energy-saving hot blast furnace |
| CN202350302U (en) * | 2011-11-24 | 2012-07-25 | 合肥麦稻之星机械科技有限公司 | Rice husk combustion hot-blast stove |
| CN203744532U (en) * | 2013-10-16 | 2014-07-30 | 高海华 | Biomass double heat exchange reverse burning type air heating furnace |
-
2013
- 2013-10-16 CN CN201310481437.7A patent/CN103542518B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273209A (en) * | 1992-03-23 | 1993-12-28 | Macarthur Charles E | Heat exchange and fuel feed apparatus for vertical furnace |
| CN2591421Y (en) * | 2002-09-18 | 2003-12-10 | 孙泽生 | Full-automatic coal-firing hot-blast stove |
| CN201672668U (en) * | 2010-06-17 | 2010-12-15 | 青州市硕阳热风炉厂 | Energy-saving hot-blast furnace |
| CN202057034U (en) * | 2011-02-21 | 2011-11-30 | 朔州市朔城区荣申达新能源技术服务有限公司 | Biomass reverse-burning multi-return stroke low-carbon energy-saving hot blast furnace |
| CN202350302U (en) * | 2011-11-24 | 2012-07-25 | 合肥麦稻之星机械科技有限公司 | Rice husk combustion hot-blast stove |
| CN203744532U (en) * | 2013-10-16 | 2014-07-30 | 高海华 | Biomass double heat exchange reverse burning type air heating furnace |
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