CN216049035U - Biomass thermal power generation waste heat utilization device - Google Patents
Biomass thermal power generation waste heat utilization device Download PDFInfo
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- CN216049035U CN216049035U CN202122619522.8U CN202122619522U CN216049035U CN 216049035 U CN216049035 U CN 216049035U CN 202122619522 U CN202122619522 U CN 202122619522U CN 216049035 U CN216049035 U CN 216049035U
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- heat
- hot air
- air
- pipeline
- waste heat
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- 239000002918 waste heat Substances 0.000 title claims abstract description 47
- 239000002028 Biomass Substances 0.000 title claims abstract description 33
- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 230000008676 import Effects 0.000 claims 1
- 238000001035 drying Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a biomass thermal power generation waste heat utilization device which comprises an air suction mechanism and a hot air conversion mechanism which are sequentially connected, wherein the hot air conversion mechanism comprises an air inlet pipeline, a waste heat absorption assembly, a thermal insulation layer and an air outlet pipeline, the waste heat absorption assembly comprises a hot air pipeline, a heat conduction oil pipe and a radiating fin, the hot air pipeline is communicated with the air inlet pipeline and the air outlet pipeline, the heat conduction oil pipe is attached to the outer wall of a boiler to absorb heat emitted by the boiler, the heat conduction oil pipe extends into the hot air pipeline, the radiating fin is arranged in the hot air pipeline, and the radiating fin is connected with the heat conduction oil pipe to guide the heat into the hot air pipeline. According to the utility model, the heat conduction oil pipe is arranged to quickly absorb the waste heat emitted by the boiler, the heat conduction oil flows through the hot air pipeline through the heat conduction oil pipe, the heat of the heat conduction oil is emitted to the inside of the hot air pipeline through the radiating fin, and the dry air takes away most of the heat after passing through the radiating fin, so that the heat collection and conversion are realized.
Description
Technical Field
The utility model relates to the technical field of biomass power generation, in particular to a biomass thermal power generation waste heat utilization device.
Background
For a large amount of biomass combustible materials produced in daily life, the practical value is low, if the biomass combustible materials are used as garbage, certain treatment cost is generated, and if the biomass combustible materials are not treated properly, harm can be caused to the environment. In the prior art, one of available ways of biomass combustible is thermal power generation, and biomass combustible forms biomass particles which have higher heat value and meet the combustion standard after the processes of airing, crushing, compressing and the like.
The in-process of boiler burning living beings granule must produce the waste heat, and the waste heat is mostly embodied in products such as high temperature flue gas, but the wall of boiler also can produce more heat, and among the prior art, lacks the conversion application scheme to the thermal utilization in boiler wall to the waste boiler burns the partial waste heat that produces.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a biomass thermal power generation waste heat utilization device, which solves the technical problem that in the prior art, the utilization of wall surface heat of a boiler lacks a conversion application scheme, so that partial waste heat generated by boiler combustion is wasted.
In order to solve the technical problems, the utility model specifically provides the following technical scheme:
a biomass thermal power generation waste heat utilization device comprises an air suction mechanism and a hot air conversion mechanism which are sequentially connected, wherein the air suction mechanism is used for conveying dry air into the hot air conversion mechanism, the hot air conversion mechanism is attached to the outer wall of a boiler and absorbs thermal power generation waste heat to convert the dry air into hot air, and the drying mechanism receives the hot air and is used for drying biomass fuel for the boiler;
the hot air conversion mechanism comprises an air inlet pipeline, a waste heat absorption assembly, a heat insulation layer and an air outlet pipeline, the waste heat absorption assembly is connected with the air suction mechanism through the air inlet pipeline to receive the dry air conveyed by the air suction mechanism, the heat insulation layer is coated on the outer wall of the boiler to prevent heat loss, the waste heat absorption assembly is embedded into the heat insulation layer to absorb heat and convert the dry air into hot air, and the air outlet pipeline is connected with the waste heat absorption assembly to output the hot air;
the waste heat absorption assembly comprises a hot air pipeline, a heat conduction oil pipe and a radiating fin, the hot air pipeline is communicated with the air inlet pipeline and the air outlet pipeline, the heat conduction oil pipe is attached to the outer wall of the boiler to absorb heat emitted by the boiler, the heat conduction oil pipe extends to the inside of the hot air pipeline, the radiating fin is arranged in the hot air pipeline, and the radiating fin is connected with the heat conduction oil pipe to guide the heat into the hot air pipeline.
As a preferred scheme of the present invention, the air suction mechanism includes an air suction fan and a filter assembly, the air suction fan is connected to the hot air converting mechanism, the filter assembly is disposed at an inlet of the air suction fan, the filter assembly is provided with activated carbon and resin particles, the activated carbon and the resin particles are sequentially disposed in a layered manner, and a filter screen is disposed at a boundary between the activated carbon and the resin particles to filter impurities and water vapor in air.
As a preferable scheme of the present invention, the waste heat absorption assembly further includes an oil transfer pump, the oil transfer pump is disposed on an outer wall of the boiler, and the oil transfer pump is connected to the heat conduction oil pipe so as to circulate heat conduction oil in the heat conduction oil pipe.
As a preferable scheme of the present invention, the heat conducting oil pipe is provided with a plurality of capillaries, both ends of the plurality of capillaries are communicated with the oil transfer pump, and the plurality of capillaries are in a shape of reciprocating bending to increase a contact surface with the boiler.
As a preferable scheme of the present invention, the outer wall of the air outlet duct is coated with a thermal insulation material to reduce heat loss.
In a preferred embodiment of the present invention, the placement direction of the heat sink is consistent with the flow direction of the air in the hot air duct.
Compared with the prior art, the utility model has the following beneficial effects:
due to the fact that the biomass particles have moisture absorption, during transportation and storage, the humidity of part of the biomass particles is too high, and combustion power generation is not facilitated. Therefore, in the process of biomass combustion, the biomass particles to be combusted are dried by using the heat emitted by the boiler, so that the waste heat is utilized.
According to the utility model, the heat conduction oil pipe is arranged to quickly absorb the waste heat emitted by the boiler, the heat enables the heat conduction oil to quickly heat up, meanwhile, the heat conduction oil flows through the hot air pipeline through the heat conduction oil pipe, the heat of the heat conduction oil is emitted to the inside of the hot air pipeline through the radiating fin, the dry air takes away most of the heat after passing through the radiating fin, so that the heat collection and conversion are realized, the collected hot air can be used for drying moist biomass particles, and the energy recycling is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a biomass thermal power generation waste heat utilization device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic mechanism diagram of a filter assembly in a biomass thermal power plant waste heat utilization device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a capillary tube in a biomass thermal power generation waste heat utilization device according to an embodiment of the utility model.
The reference numerals in the drawings denote the following, respectively:
1-a boiler; 2-a hot air conversion mechanism; 3-an air suction mechanism; 4-a capillary tube;
210-an air inlet pipeline; 220-a waste heat absorbing assembly; 221-hot air duct; 222-a heat transfer oil pipe; 223-an oil transfer pump; 224-a heat sink; 230-thermal insulation layer; 240-air outlet pipeline; 310-a suction fan; 320-a filter assembly; 321-a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present invention provides a biomass thermal power generation waste heat utilization device, which comprises an air suction mechanism 3 and a hot air conversion mechanism 2 connected in sequence.
The air suction mechanism 3 is used for conveying dry air into the hot air conversion mechanism 2, the hot air conversion mechanism 2 is attached to the outer wall of the boiler 1 and absorbs the waste heat of thermal power generation so as to convert the dry air into hot air, and the dry mechanism receives the hot air and is used for drying the biomass fuel for the boiler 1; the dry air is converted into hot air, and then enters a special drying device to dry the moist biomass particles, and the dried biomass particles are taken out and can be directly put into the boiler 1 to carry out thermal power generation.
Specifically, the process of converting dry air into hot air needs to be described in detail:
the hot air conversion mechanism 2 comprises an air inlet pipeline 210, a waste heat absorption assembly 220, a heat insulation layer 230 and an air outlet pipeline 240.
The residual heat absorbing assembly 220 is connected with the air suction mechanism 3 through the air inlet duct 210 to receive the dry air delivered by the air suction mechanism 3.
The thermal insulation layer 230 is coated on the outer wall of the boiler 1 to prevent heat loss, and the residual heat absorbing assembly 220 is embedded in the thermal insulation layer 230 to absorb heat and convert dry air into hot air.
The air outlet pipeline 240 is connected with the waste heat absorption assembly 220 to output hot air, and the hot air can be used for drying biomass particles required by thermal power generation, so that energy recycling is realized.
The waste heat absorbing assembly 220 comprises a hot air duct 221, a heat conducting oil pipe 222 and a heat sink 224. The hot air pipe 221 is communicated with the air inlet pipe 210 and the air outlet pipe 240, the heat conducting oil pipe 222 is attached to the outer wall of the boiler 1 to absorb heat emitted by the boiler 1, heat conducting oil circularly flows in the heat conducting oil pipe 222, and the heat conducting oil is heated up rapidly after absorbing the heat. The heat conductive oil pipe 222 extends to the inside of the hot air duct 221, the heat sink 224 is disposed in the hot air duct 221, and the heat sink 224 is connected to the heat conductive oil pipe 222 to introduce heat into the hot air duct 221, so that the dry air absorbs the heat and is converted into hot air after flowing through the heat sink 224. The provision of the heat radiating fins 224 can accelerate the heat transfer to the lower temperature drying air, and the drying air continuously passes through the heat radiating fins 224, thereby improving the heat conversion efficiency.
Because the hot-air after the conversion need be used for dry moist living beings granule, should avoid inhaling moisture, simultaneously, because be in high temperature environment in the pipeline, if get into too much dust then there is the dust harm, should avoid as far as possible, nevertheless in thermal power plant workshop, dust particle content is more in the air, therefore induced draft mechanism 3 when inhaling the air, both need filter moisture, also filter the dust. The air suction assembly comprises an air suction fan 310 and a filter assembly 320, the air suction fan 310 is connected with the hot air conversion mechanism 2, the filter assembly 320 is arranged at an inlet of the air suction fan 310, activated carbon and resin particles are arranged in the filter assembly 320, the activated carbon and the resin particles are sequentially placed in a layered mode, and a filter screen 321 is arranged at a junction of the activated carbon and the resin particles to filter impurities and water vapor in air.
In the process of absorbing the waste heat and converting, the heat conduction oil mainly serves as a heat conduction medium to flow in the heat conduction oil pipe 222, so that the transmission and conversion of heat are ensured, and therefore, the fluidity of the medium needs to be ensured to continuously absorb the heat and keep the conversion. Therefore, the waste heat absorbing assembly 220 further comprises an oil transfer pump 223, the oil transfer pump 223 is disposed on the outer wall of the boiler 1, and the oil transfer pump 223 is connected to the heat conduction oil pipe 222 to circulate the heat conduction oil in the heat conduction oil pipe 222.
In order to improve the efficiency of heat conversion to boiler 1, heat conduction oil pipe 222 sets up to many capillary 4, and the both ends of many capillary 4 are linked together with oil transfer pump 223, and many capillary 4 are the contact surface of reciprocal crooked shape in order to increase with boiler 1, and heat conduction oil pipe 222 and the increase of boiler 1 contact surface, then when the conduction oil flows with the same velocity of flow, can absorb more heats, consequently can promote heat absorption efficiency to further promote hot transformation efficiency.
In order to improve the utilization efficiency of the waste heat, the outer wall of the air outlet pipeline 240 is coated with a thermal insulation material to reduce heat loss, so that more hot air is used for drying the biomass particles.
The placement direction of the heat dissipation sheet 224 is consistent with the flowing direction of the air in the hot air duct 221, when the heat dissipation sheet 224 is inconsistent with the flowing direction of the air, convection of the air is easily generated in the hot air duct 221, and the disturbance of the air flow is not beneficial to the rapid heat dissipation of the heat conduction oil, so that the heat conversion efficiency is reduced.
Summarizing, set up the waste heat that heat conduction oil pipe 222 can absorb boiler 1 fast and distribute, the heat makes the conduction oil heat-rising fast, the conduction oil flows through hot-blast main 221 through heat conduction oil pipe 222 simultaneously, and inside distributing the heat of conduction oil to hot-blast main 221 through fin 224, most heat is taken away after dry air passes through fin 224, thereby realize heat collection and conversion, the hot-blast moist living beings granule of stoving that can be used for after the collection, realize energy recycle.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to fall within the scope of the present application.
Claims (6)
1. The utility model provides a living beings thermal power waste heat utilization equipment which characterized in that: the device comprises an air suction mechanism (3) and a hot air conversion mechanism (2) which are connected in sequence, wherein the air suction mechanism (3) is used for conveying dry air into the hot air conversion mechanism (2), and the hot air conversion mechanism (2) is attached to the outer wall of a boiler (1) and absorbs the waste heat of thermal power generation so as to convert the dry air into hot air;
the hot air conversion mechanism (2) comprises an air inlet pipeline (210), a waste heat absorption assembly (220), a heat insulation layer (230) and an air outlet pipeline (240), the waste heat absorption assembly (220) and the air suction mechanism (3) are connected through the air inlet pipeline (210) to receive dry air conveyed by the air suction mechanism (3), the heat insulation layer (230) is coated on the outer wall of the boiler (1) to prevent heat loss, the waste heat absorption assembly (220) is embedded into the heat insulation layer (230) to absorb heat and convert the dry air into hot air, and the air outlet pipeline (240) is connected with the waste heat absorption assembly (220) to output the hot air;
the waste heat absorption assembly (220) comprises a hot air pipeline (221), a heat conduction oil pipe (222) and a heat radiating fin (224), the hot air pipeline (221) is communicated with the air inlet pipeline (210) and the air outlet pipeline (240), the heat conduction oil pipe (222) is attached to the outer wall of the boiler (1) to absorb heat emitted by the boiler (1), the heat conduction oil pipe (222) extends to the interior of the hot air pipeline (221), the heat radiating fin (224) is arranged in the hot air pipeline (221), and the heat radiating fin (224) is connected with the heat conduction oil pipe (222) to guide the heat into the hot air pipeline (221).
2. The biomass thermal power generation waste heat utilization device according to claim 1, characterized in that: induced draft mechanism (3) are including induced draft fan (310) and filter assembly (320), induced draft fan (310) with hot-blast conversion mechanism (2) are connected, filter assembly (320) set up the import department of induced draft fan (310), be provided with active carbon and resin particle in filter assembly (320), active carbon with the resin particle layering is placed in proper order active carbon with the juncture of resin particle is provided with filter screen (321) to impurity and steam in the filtered air.
3. The biomass thermal power generation waste heat utilization device according to claim 1, characterized in that: the waste heat absorption assembly (220) further comprises an oil transfer pump (223), the oil transfer pump (223) is arranged on the outer wall of the boiler (1), and the oil transfer pump (223) is connected with the heat conduction oil pipe (222) so that heat conduction oil in the heat conduction oil pipe (222) flows in a circulating mode.
4. The biomass thermal power generation waste heat utilization device according to claim 3, characterized in that: the heat conducting oil pipe (222) is provided with a plurality of capillary tubes (4), two ends of the capillary tubes (4) are communicated with the oil transfer pump (223), and the capillary tubes (4) are in a reciprocating bending shape to increase the contact surface with the boiler (1).
5. The biomass thermal power generation waste heat utilization device according to claim 1, characterized in that: the outer wall of the air outlet pipeline (240) is coated with a thermal insulation material to reduce heat loss.
6. The biomass thermal power generation waste heat utilization device according to claim 1, characterized in that: the placement direction of the heat sink (224) is consistent with the flow direction of the air in the hot air duct (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619522.8U CN216049035U (en) | 2021-10-29 | 2021-10-29 | Biomass thermal power generation waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122619522.8U CN216049035U (en) | 2021-10-29 | 2021-10-29 | Biomass thermal power generation waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216049035U true CN216049035U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122619522.8U Expired - Fee Related CN216049035U (en) | 2021-10-29 | 2021-10-29 | Biomass thermal power generation waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216049035U (en) |
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2021
- 2021-10-29 CN CN202122619522.8U patent/CN216049035U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |