CN204923440U - Many return strokes heat transfer formula biomass fuel furnace - Google Patents
Many return strokes heat transfer formula biomass fuel furnace Download PDFInfo
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- CN204923440U CN204923440U CN201520473192.8U CN201520473192U CN204923440U CN 204923440 U CN204923440 U CN 204923440U CN 201520473192 U CN201520473192 U CN 201520473192U CN 204923440 U CN204923440 U CN 204923440U
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Abstract
The utility model discloses a many return strokes heat transfer formula biomass fuel furnace relates to biomass fuel combustion apparatus technical field. The induction cooker comprises a cooker bod, the furnace body includes the combustion chamber, furnace, heat transfer device, heat transfer device's outlet flue and draught fan and be linked together with the dust collecting equipment of draught fan looks adaptation, heat transfer device includes a plurality of heat transfer flue tied in a bundle, and with the last smoke box and time smoke box of heat transfer flue looks adaptation intercommunication tied in a bundle, down the smoke box or go up the smoke box be equipped with into the mouth and with furnace's outlet flue looks adaptation intercommunication, play the smoke box or go up the smoke box to be equipped with the outlet flue and to communicate with draught fan looks adaptation, heat transfer flue tied in a bundle comprises a plurality of pipeline, and every pipe upper end and last smoke box intercommunication, lower extreme and lower smoke box intercommunication, the internal diameter size of pipeline and the position looks adaptation of arranging of heat transfer flue tied in a bundle. This boiler has increaseed the flow of high temperature flue gas, changes high temperature flue gas flow direction, increases the turbulent flow, increases the strong convection heat transfer, makes exhaust gas temperature reduce and reaches the environmental protection requirement.
Description
Technical field
The utility model relates to biomass fuel combustion equipment technical field, particularly relates to a kind of many back-stroke heat-exchange types biomass fuel boiler.
Background technology
Along with national energy-saving reduces discharging the enforcement of policy and the enhancing of people's environmental consciousness, and industrial production is to the increase day by day of energy demand, the problem of energy supply growing tension is more and more severeer, the wood chips of originally giving it up etc. are also used as bioenergy, and biomass energy is more and more subject to people's attention.At present, the boiler taking biomass resource as fuel, in order to be suitable for continuous, stable, powerful requirement on industrial application, reduces the dependence to mineral matter fuel, Devoting Major Efforts To Developing utilizes regenerative resource, is China's urgent problem.The hot-blast stove of biomass fuel is adopted to open the new energy, but due to the complexity of combustion process, the adequacy of burning and prevent that the discharge of biomass fuel tar is extremely important.At present, biomass boiler enters gasifying stage speed from lighting a fire to is fast, and the external dissipated heat of burner hearth is large, and energy loss is large, and energy utilization rate is low, and the flue-gas temperature of discharging is high, and the heat energy loss of flue gas is large, waste heat resource.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of reasonable in design, heat exchange efficiency is high, many back-stroke heat-exchange types biomass fuel boiler of environmental protection and energy saving.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of many back-stroke heat-exchange types biomass fuel boiler, comprise body of heater, described body of heater comprises combustion chamber, burner hearth, heat-exchanger rig, the charging aperture of side, described combustion chamber is communicated with biomass fuel feeder, slag collection room is provided with below described combustion chamber, described burner hearth is arranged on the top of described combustion chamber, described heat-exchanger rig is entered mouth and is communicated with by flue with burner hearth outlet flue, the outlet flue of described heat-exchanger rig is connected with air-introduced machine and the cleaner suitable with air-introduced machine, described heat-exchanger rig comprises several heat exchange boundling flues, and with the suitable upper smoke box that is communicated with of heat exchange boundling flue and lower smoke box, described lower smoke box or upper smoke box are provided with into mouth and are communicated with the outlet flue of burner hearth is suitable, described lower smoke box or upper smoke box are provided with outlet flue and are communicated with air-introduced machine is suitable, described heat exchange boundling flue is made up of several pipelines, and each pipe upper end is communicated with upper smoke box, lower end is communicated with lower smoke box, the internal diameter size of described pipeline and the arrangement position of described heat exchange boundling flue suitable.
Preferably, described lower smoke box side is provided with the cleaning door removing in heat exchange boundling flue the dust that drops.
Preferably, described heat exchange boundling flue is 4, and its upper smoke box suitable with heat exchange boundling flue is communicated with lower smoke box is suitable successively.
Preferably, the internal diameter of the pipeline in 4 heat exchange boundling flues successively decreases successively with flue gas flow direction.
The beneficial effect adopting technique scheme to produce is: the utility model strengthens flue gas flow by heat exchange boundling flue, by several pipelines, increase heat exchange area, strengthen heat convection, effectively utilize fume afterheat, flue gas enter successively through 4 heat exchange boundling flues along with flow of flue gas carries out heat convection, reduce gradually according to along with flue-gas temperature simultaneously, by the internal diameter of the pipeline be greater than away from the heat exchange boundling flue entering mouth that the internal diameter of the pipeline near the heat exchange boundling flue entering mouth designs, namely the internal diameter of the pipeline in 4 heat exchange boundling flues successively decreases successively with flue gas flow direction and temperature drop, it is in order to ensure heat exchange efficiency, lower smoke box below each heat exchange boundling flue is equipped with cleaning door, mainly dust can be produced by after long-term work, its dust can drop in the lower smoke box adapted, can by the dust of long term accumulation by cleaning door, the design of many backhauls heat-exchanger rig increases the flow process of high-temperature flue gas, changes high-temperature flue gas flow direction, increases turbulent flow, strengthens heat convection, makes exhaust gas temperature reduce meet the requirement of environmental protection.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the structural representation of heat-exchanger rig in Fig. 1;
Fig. 3 is the transverse sectional view of Fig. 2;
Wherein, 1 body of heater, 2 burner hearths, 3 heat-exchanger rigs, 4 combustion chambers, 5 slag collection rooms, 6 feed arrangements, 7 upper smoke box, 8 lower smoke box, 9 cleaning doors, 10 air-introduced machines, 11 cleaners, 12 enter mouth, 13 outlet flues, 14 heat exchange boundling flues, 15 pipelines.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1 to Figure 3, the utility model is a kind of many back-stroke heat-exchange types biomass fuel boiler, comprise body of heater 1, described body of heater 1 comprises combustion chamber 4, burner hearth 2, heat-exchanger rig 3, the charging aperture of side, described combustion chamber 4 is communicated with biomass fuel feeder 6, slag collection room 5 is provided with below described combustion chamber 4, described burner hearth 2 is arranged on the top of described combustion chamber 4, described heat-exchanger rig 3 is entered mouth 12 and is communicated with by flue with burner hearth 2 outlet flue, the outlet flue 13 of described heat-exchanger rig 3 is connected with air-introduced machine 10 and the cleaner 11 suitable with air-introduced machine 10, described heat-exchanger rig 3 comprises several heat exchange boundling flues 14, and with the suitable upper smoke box 7 that is communicated with of heat exchange boundling flue 14 and lower smoke box 8, described lower smoke box 8 or upper smoke box 7 are provided with into mouth 12 and are communicated with the outlet flue 13 of burner hearth 2 is suitable, described lower smoke box 8 or upper smoke box 7 are provided with outlet flue 13 and are communicated with air-introduced machine 10 is suitable, described heat exchange boundling flue 14 is made up of several pipelines 15, and each pipe upper end is communicated with upper smoke box 7, lower end is communicated with lower smoke box 8, the internal diameter size of described pipeline 15 and the arrangement position of described heat exchange boundling flue 14 suitable, strengthen flue gas flow by heat exchange boundling flue, by several pipelines, increase heat exchange area, strengthen heat convection, effectively utilize fume afterheat.
The embodiment of further optimization is that described lower smoke box 8 side is provided with the cleaning door 9 removing in heat exchange boundling flue 14 dust that drops; The dust dropped in pipeline is cleared up in the setting of cleaning door 9 mainly person easy to use, also ensure that the unobstructed of flue.
The embodiment of further optimization is described heat exchange boundling flue 14 is 4, and its upper smoke box 7 suitable with heat exchange boundling flue 14 is communicated with lower smoke box 8 is suitable successively; Pipeline 15 internal diameter in 4 heat exchange boundling flues 14 successively decreases successively with flue gas flow direction.
The utility model strengthens flue gas flow by heat exchange boundling flue, by several pipelines, increase heat exchange area, strengthen heat convection, effectively utilize fume afterheat, flue gas enter successively through 4 heat exchange boundling flues along with flow of flue gas carries out heat convection, reduce gradually according to along with flue-gas temperature simultaneously, by the internal diameter of the pipeline be greater than away from the heat exchange boundling flue entering mouth that the internal diameter of the pipeline near the heat exchange boundling flue entering mouth designs, namely the internal diameter of the pipeline in 4 heat exchange boundling flues successively decreases successively with flue gas flow direction and temperature drop, it is in order to ensure heat exchange efficiency, lower smoke box below each heat exchange boundling flue is equipped with cleaning door, mainly dust can be produced by after long-term work, its dust can drop in the lower smoke box adapted, the dust of long term accumulation can be removed by cleaning door, the design of many backhauls heat-exchanger rig increases the flow process of high-temperature flue gas, changes high-temperature flue gas flow direction, increases turbulent flow, strengthens heat convection, makes exhaust gas temperature reduce meet the requirement of environmental protection.
Claims (4)
1. back-stroke heat-exchange type biomass fuel boiler more than a kind, comprise body of heater (1), described body of heater (1) comprises combustion chamber (4), burner hearth (2), heat-exchanger rig (3), the charging aperture of described combustion chamber (4) side is communicated with biomass fuel feeder (6), below, described combustion chamber (4) is provided with slag collection room (5), described burner hearth (2) is arranged on the top of described combustion chamber (4), described heat-exchanger rig (3) is entered mouth and is communicated with by flue with burner hearth (2) outlet flue, the outlet flue of described heat-exchanger rig (3) is connected with air-introduced machine (10) and the cleaner (11) suitable with air-introduced machine (10), it is characterized in that: described heat-exchanger rig (3) comprises several heat exchange boundling flues (14), and with the suitable upper smoke box (7) that is communicated with of heat exchange boundling flue (14) and lower smoke box (8), described lower smoke box (8) or upper smoke box (7) are provided with into mouth and are communicated with the outlet flue of burner hearth (2) is suitable, described lower smoke box (8) or upper smoke box (7) are provided with outlet flue and are communicated with air-introduced machine (10) is suitable, described heat exchange boundling flue (14) is made up of several pipelines (15), and each pipe upper end is communicated with upper smoke box (7), lower end is communicated with lower smoke box (8), the internal diameter size of described pipeline (15) and the arrangement position of described heat exchange boundling flue (14) suitable.
2. one many back-stroke heat-exchange types biomass fuel boiler according to claim 1, is characterized in that: described lower smoke box (8) side is provided with the cleaning door (9) removing in heat exchange boundling flue (14) dust that drops.
3. one many back-stroke heat-exchange types biomass fuel boiler according to claim 1, it is characterized in that: described heat exchange boundling flue (14) is 4, its upper smoke box (7) suitable with heat exchange boundling flue (14) is communicated with lower smoke box (8) is suitable successively.
4. one many back-stroke heat-exchange types biomass fuel boiler according to claim 3, is characterized in that: pipeline (15) internal diameter in 4 heat exchange boundling flues (14) successively decreases successively with flue gas flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473192.8U CN204923440U (en) | 2015-06-30 | 2015-06-30 | Many return strokes heat transfer formula biomass fuel furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520473192.8U CN204923440U (en) | 2015-06-30 | 2015-06-30 | Many return strokes heat transfer formula biomass fuel furnace |
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| Publication Number | Publication Date |
|---|---|
| CN204923440U true CN204923440U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520473192.8U Expired - Fee Related CN204923440U (en) | 2015-06-30 | 2015-06-30 | Many return strokes heat transfer formula biomass fuel furnace |
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| Country | Link |
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| CN (1) | CN204923440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123330A (en) * | 2016-07-07 | 2016-11-16 | 宁波中森生物质能源科技有限公司 | A kind of biomass thermal wind furnace |
-
2015
- 2015-06-30 CN CN201520473192.8U patent/CN204923440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123330A (en) * | 2016-07-07 | 2016-11-16 | 宁波中森生物质能源科技有限公司 | A kind of biomass thermal wind furnace |
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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: 20151230 Termination date: 20190630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |