CN203744532U - Biomass double heat exchange reverse burning type air heating furnace - Google Patents
Biomass double heat exchange reverse burning type air heating furnace Download PDFInfo
- Publication number
- CN203744532U CN203744532U CN201320635604.4U CN201320635604U CN203744532U CN 203744532 U CN203744532 U CN 203744532U CN 201320635604 U CN201320635604 U CN 201320635604U CN 203744532 U CN203744532 U CN 203744532U
- Authority
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- China
- Prior art keywords
- furnace
- air
- chamber
- heat exchange
- burner hearth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002028 Biomass Substances 0.000 title abstract description 11
- 238000010438 heat treatment Methods 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 239000011449 brick Substances 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 5
- 239000006200 vaporizer Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 abstract description 17
- 230000008016 vaporization Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a biomass double heat exchange reverse burning type air heating furnace which comprises a furnace body, wherein a furnace chamber and a burnout chamber are arranged in the furnace body; a communicating hole is formed in a baffle wall between the furnace chamber and the burnout chamber; a furnace grate is arranged at the lower part of the furnace chamber; a feed inlet and an air inlet are formed in the top of the furnace chamber; an ash outlet is formed in the bottom of the side surface of the furnace chamber; a heat exchanger is arranged in the burnout chamber; a stack gas discharge pipeline of the heat exchanger is communicated with a stack gas outlet in the upper part of the side surface of the burnout chamber; a heat transfer furnace grate is arranged in the furnace chamber and above the furnace grate; a furnace chamber burning vaporizing chamber is formed between the furnace grate and the heat transfer furnace grate; the heat transfer furnace grate consists of an air inlet main pipe and a plurality of air outlet branch pipes; one end of the air inlet main pipe sticks out from a furnace wall on the side surface of the furnace chamber; one ends of the outlet branch pipes are communicated with the air inlet main pipe, and the other ends of the outlet branch pipes penetrate through the baffle wall between the furnace chamber and the burnout chamber, and enter the burnout chamber; the air inlet main pipe and the air outlet branch pipes are made of a stainless-steel material; the furnace wall and the baffle wall between the furnace chamber and the burnout chamber are thermal insulating walls laid by refractory bricks. According to the utility model, two heat exchangers are adopted, heat is fully utilized, the use ratio of the air heating furnace is improved, the heat transfer furnace grate plays a reverse burning function, thorough burning of the biomass fuel is facilitated, fuel is fully utilized, energy is saved, and environment is protected.
Description
Technical field
The utility model belongs to biomass burner technical field, particularly relates to the two heat exchange Backfire hot-air stoves of a kind of living beings.
Background technology
Existing biomass hot air furnace structure design is unreasonable, exists the interior temperature of burner hearth too high, the defect that heat can not fully be utilized, cause furnace exit temperature too high, and then cause part heat exchange temperature too high, and cause high temperature oxidation and corrosion, heat exchanger is reduced service life greatly; In addition, this hot-blast stove structure is because body of heater is made up of steel plate materials, and heat conduction is fast, and thermal losses is large, makes whole boiler insulation effect bad.
Summary of the invention
The technical problems to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art exactly, and provides a kind of heat utilization efficiency high, high insulating effect, and the heat exchanger higher two heat exchange Backfire hot-air stoves of living beings in service life.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The two heat exchange Backfire hot-air stoves of a kind of living beings, comprise body of heater, in body of heater, left and right is respectively arranged with burner hearth and secondary furnace, partition wall between burner hearth and secondary furnace is provided with connected entrance, in burner hearth, bottom is provided with fire grate, on roof of the furnace furnace wall, be provided with charge door and air inlet, be provided with ash hole in burner hearth side furnace wall bottom, in secondary furnace, be provided with heat exchanger, the flue that goes out of heat exchanger is communicated 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, between fire grate and heat exchange fire grate, form hearth combustion vaporizer, described heat exchange fire grate is made up of an air intake supervisor and multiple air-out arm, air intake supervisor stretches out from burner hearth side furnace wall one end, its end is cold wind import, air-out arm one end is communicated with air intake supervisor, the partition wall of the other end through burner hearth and secondary furnace enters in secondary furnace, its end is hot-blast outlet, described air intake supervisor and air-out arm adopt stainless steel material to make, partition wall between described furnace wall and burner hearth and secondary furnace is the insulated wall that adopts laying fireproof bricks to form.
Described roof of the furnace furnace wall is the inclined-plane that lateral has a down dip.
Be provided with reinforced slag notch on furnace wall top, burner hearth side.
Between burner hearth side furnace wall, fire grate and heat exchange fire grate, on correspondence position, be provided with ash discharge charge door.
Described heat exchanger comprises flat tube sheet, is vertically interspersed with many heat exchanger tubes on flat tube sheet, and what also comprise that heat exchanger tube both sides are oppositely arranged enters cold air duct and hot air duct road, and the one side setting of heat exchanger tube end go out flue.
Be provided with base at bottom of furnace body.
The beneficial effect of technical solutions of the utility model is:
1, structurally, the two heat exchange Backfire hot-air stoves of the utility model living beings have additional heat exchange fire grate above fire grate, air intake supervisor and air-out arm that heat exchange fire grate is made up of stainless steel material form, this heat exchange fire grate not only can be used as combustion apparatus, but also can be used as heat exchanger, cold wind carries out heat exchange in air intake supervisor and air-out arm, changing hot blast into uses, make full use of stove intimate heat, improve heat utilization efficiency, and avoided because of fire box temperature too high, institute causes furnace exit temperature too high, and then cause part heat exchange temperature too high, cause high temperature oxidation and corrosion, reduce and drive service life, improve the service life of heat exchanger, in addition, the furnace wall of burner hearth and secondary furnace and partition wall adopt refractory concrete insulation, ensure that temperature is not lost, fully ensure the needed temperature of biomass fuel combustion, are conducive to the burning of biomass fuel.
2, structurally, heat exchange fire grate described in the utility model is as combustion apparatus, and biomass fuel is fallen on heat exchange fire grate and burnt through charge door, not having the fuel of after-flame to drop on the fire grate of bottom burns away, fuel combustion is more abundant, makes full use of fuel, does not cause the waste of fuel material; Between fire grate and heat exchange fire grate, form hearth combustion vaporizer, fuel, this indoor gasification, contributes to the completing combustion of biomass fuel volatile matter, energy-conservation environmental protection again.
3, structurally, be described in the utility modelly provided with reinforced slag notch on furnace wall top, burner hearth side, the waste fuel of being convenient 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, on correspondence position, be provided with ash discharge charge door, to not completely the fuel of after-flame carry out second-time burning, make full use of fuel, do not cause the waste of fuel, save biomass energy.
4, to sum up, the two heat exchange Backfire hot-air stoves of the utility model living beings adopt double heat exchanger, make full use of heat, have improved the utilization rate of hot-blast stove, and recuperative furnace queues the effect of anti-burning, contribute to biomass fuel completing combustion, take full advantage of fuel, energy-conservation environmental protection again, and integral heat insulation performance is good, easy for operation, therefore, be very suitable for promotion and implementation.
Brief description of the drawings
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the two heat exchange Backfire hot-air stoves of the utility model living beings;
Fig. 2 is the A-A sectional structure schematic diagram of the two heat exchange Backfire hot-air stoves of living beings shown in Fig. 1;
Fig. 3 is the B-B sectional structure schematic diagram of the two heat exchange Backfire hot-air stoves of living beings shown in Fig. 1;
Fig. 4 is the structural representation of the heat exchange fire grate of the two heat exchange Backfire hot-air stoves of the utility model living beings
Fig. 5 is the structural representation of the heat exchanger in the secondary furnace of the two heat exchange Backfire hot-air stoves of the utility model living beings;
Fig. 6 is the heat exchanger C-C sectional structure schematic diagram in the secondary furnace of the two heat exchange Backfire hot-air stoves of living beings shown in Fig. 5;
Fig. 7 is the heat exchanger D-D sectional structure schematic diagram in the secondary furnace of the two heat exchange Backfire hot-air stoves of living beings 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 intake supervisor, 13-2, air-out arm, 14, hearth combustion vaporizer, 15, furnace wall, 16, reinforced slag notch, 17, ash discharge charge door, 18, base.
detailed description of the invention
Embodiment mono-:
Referring to Fig. 1 to Fig. 4, in figure, the two heat exchange Backfire hot-air stoves of the utility model living beings, comprise body of heater, in body of heater, left and right is respectively arranged with burner hearth 1 and secondary furnace 2, partition wall 3 between burner hearth and secondary furnace is provided with connected entrance 4, in burner hearth, bottom is provided with fire grate 5, on roof of the furnace furnace wall, be provided with charge door 6 and air inlet 7, be provided with ash hole 8 in burner hearth side furnace wall bottom, in secondary furnace, be provided with heat exchanger 9, be provided with outlet flue 10 on furnace wall top, secondary furnace side, be used for connecing air-introduced machine, the flue that goes out of heat exchanger is communicated with the outlet flue on furnace wall top, secondary furnace side, heat exchanger one end is provided with cold wind import 11, be used for connecing air blast, 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, between fire grate and heat exchange fire grate, form hearth combustion vaporizer 14, described heat exchange fire grate is made up of an air intake supervisor 13-1 and multiple air-out arm 13-2, air intake supervisor stretches out from burner hearth side furnace wall one end, its end is cold wind import, be used for connecing air blast, air-out arm one end is communicated with air intake supervisor, the partition wall of the other end through burner hearth and secondary furnace enters in secondary furnace, its end is hot-blast outlet, described air intake supervisor and air-out arm adopt stainless steel material to make, partition wall between described furnace wall 15 and burner hearth and secondary furnace is the insulated wall that adopts laying fireproof bricks to form.
Described roof of the furnace furnace wall is the inclined-plane that lateral has a down dip.
Be provided with reinforced slag notch 16 on furnace wall top, burner hearth side.
Between burner hearth side furnace wall, fire grate and heat exchange fire grate, on correspondence position, be provided with ash discharge charge door 17.
Be provided with base 18 at bottom of furnace body.
Referring to Fig. 5 to Fig. 7, in figure, described heat exchanger comprises flat tube sheet 9-1, is vertically interspersed with many heat exchanger tube 9-2 on flat tube sheet, what also comprise that heat exchanger tube both sides are oppositely arranged enters cold air duct 9-3 and hot air duct road 9-4, and the one side setting of heat exchanger tube end go out flue 9-5.
The foregoing is only the schematic detailed description of the invention of the utility model; not in order to limit scope of the present utility model; any those skilled in the art is not departing from equivalent variations and the amendment under the prerequisite of the utility model design and principle, made, all should belong to the scope of the utility model protection.
Claims (6)
1. the two heat exchange Backfire hot-air stoves of living beings, comprise body of heater, in body of heater, left and right is respectively arranged with burner hearth and secondary furnace, partition wall between burner hearth and secondary furnace is provided with connected entrance, in burner hearth, bottom is provided with fire grate, on roof of the furnace furnace wall, be provided with charge door and air inlet, be provided with ash hole in burner hearth side furnace wall bottom, in secondary furnace, be provided with heat exchanger, the flue that goes out of heat exchanger is communicated with the outlet flue on furnace wall top, secondary furnace side, heat exchanger 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, between fire grate and heat exchange fire grate, form hearth combustion vaporizer, described heat exchange fire grate is made up of an air intake supervisor and multiple air-out arm, air intake supervisor stretches out from burner hearth side furnace wall one end, its end is cold wind import, air-out arm one end is communicated with air intake supervisor, the partition wall of the other end through burner hearth and secondary furnace enters in secondary furnace, its end is hot-blast outlet, described air intake supervisor and air-out arm adopt stainless steel material to make, partition wall between described furnace wall and burner hearth and secondary furnace is the insulated wall that adopts laying fireproof bricks to form.
2. the two heat exchange Backfire hot-air stoves of living beings according to claim 1, is characterized in that: described roof of the furnace furnace wall is the inclined-plane that lateral has a down dip.
3. the two heat exchange Backfire hot-air stoves of living beings according to claim 1, is characterized in that: be provided with reinforced slag notch on furnace wall top, burner hearth side.
4. the two heat exchange Backfire hot-air stoves of living beings according to claim 1, is characterized in that: between burner hearth side furnace wall, fire grate and heat exchange fire grate, on correspondence position, be provided with ash discharge charge door.
5. the two heat exchange Backfire hot-air stoves of living beings according to claim 1, it is characterized in that: described heat exchanger comprises flat tube sheet, on flat tube sheet, be vertically interspersed with many heat exchanger tubes, what also comprise that heat exchanger tube both sides are oppositely arranged enters cold air duct and hot air duct road, and the one side setting of heat exchanger tube end go out flue.
6. the two heat exchange Backfire hot-air stoves of living beings according to claim 1, is characterized in that: be provided with base at bottom of furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635604.4U CN203744532U (en) | 2013-10-16 | 2013-10-16 | Biomass double heat exchange reverse burning type air heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635604.4U CN203744532U (en) | 2013-10-16 | 2013-10-16 | Biomass double heat exchange reverse burning type air heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744532U true CN203744532U (en) | 2014-07-30 |
Family
ID=51344323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320635604.4U Expired - Lifetime CN203744532U (en) | 2013-10-16 | 2013-10-16 | Biomass double heat exchange reverse burning type air heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542518A (en) * | 2013-10-16 | 2014-01-29 | 高海华 | Biomass double-heat-exchange reversal burning type hot-air furnace |
-
2013
- 2013-10-16 CN CN201320635604.4U patent/CN203744532U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542518A (en) * | 2013-10-16 | 2014-01-29 | 高海华 | Biomass double-heat-exchange reversal burning type hot-air furnace |
| CN103542518B (en) * | 2013-10-16 | 2016-08-10 | 高海华 | Biomass double-heat-exchangereversal reversal burning type hot-air furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HENAN JUFENG BIO-ENERGY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: GAO HAIHUA Effective date: 20141029 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141029 Address after: 457100 Henan Puyang Puyang County Industrial Agglomeration Area Patentee after: Henan Jufeng Bio-Energy Development Co., Ltd. Address before: 457100 Henan Puyang Puyang County Industrial Agglomeration Area Patentee before: Gao Haihua |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |