CN107659209A - The heat pipe circulation residual heat thermoelectric power generation of temperature-difference power generation module and its composition based on flat-plate heat pipe - Google Patents
The heat pipe circulation residual heat thermoelectric power generation of temperature-difference power generation module and its composition based on flat-plate heat pipe Download PDFInfo
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- CN107659209A CN107659209A CN201711032809.2A CN201711032809A CN107659209A CN 107659209 A CN107659209 A CN 107659209A CN 201711032809 A CN201711032809 A CN 201711032809A CN 107659209 A CN107659209 A CN 107659209A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
Abstract
The invention discloses a kind of temperature-difference power generation module based on flat-plate heat pipe and its heat pipe of composition circulation residual heat thermoelectric power generation, wherein the temperature-difference power generation module based on flat-plate heat pipe includes thermo-electric generation unit, housing and fan, be arranged in parallel some groups of Multi-hole parallel flow flat tubes in thermo-electric generation unit, close installation thermo-electric generation sheet and radiated rib successively at left and right sides of Multi-hole parallel flow flat tube, Multi-hole parallel flow flat tube upper and lower ends are inserted in gas collectors and liquid collectors respectively, being integrally formed temperature-difference power generation module.Some groups of temperature-difference power generation modules can form heat pipe circulation residual heat thermoelectric power generation with heat exchanger, gas piping, liquid line in waste heat pipeline, and waste heat in pipeline is efficiently delivered in each temperature-difference power generation module by gravity assisted heat pipe circulation and is used to generate electricity.The program has generating efficiency height, voltage stabilization, the advantage that design and installation is flexible, autgmentability is strong, and is advantageous to standardization, modularization, the commercialization of temperature difference electricity generation device.
Description
Technical field:
The present invention relates to a kind of temperature-difference power generation module based on flat-plate heat pipe and its heat pipe of composition circulation waste heat temperature difference hair
Electric system, belong to the utilization of waste heat Waste Heat Recovery and thermoelectric generation field.
Background technology:
With industrialized development and the improvement of people's living standards, the energy resource consumption in China is skyrocketed through, energy crisis
It is increasingly serious with problem of environmental pollution.Energy resource consumption is reduced, efficiency of energy utilization is improved, makes full use of waste heat used heat, it has also become
The only way of China's energy development.In industrial production, architectural environment build, substantial amounts of used heat in sanitary wastewater be present, and liquid
Change and substantial amounts of cold energy discharged during natural gas gasifying etc., the waste cold of the used heat of these high temperature and low temperature (with environment temperature have compared with
The big temperature difference) all contain huge rechargeable energy, but air is often directly discharged into, it can not be fully utilized.
Thermoelectric generation is also known as thermoelectric power generation or semiconductor generation technology, is the Seebeck effect based on thermoelectric material
The technology to generate electricity is realized, its operation principle is to form the temperature difference at two pieces of semi-conducting material (p-type and N-type) both ends of different nature,
Electric energy is exported so as to produce DC voltage at semiconductor both ends.Thermoelectric generation has simple in construction, movement-less part, nothing
The advantages that abrasion, No leakage, noiseless, service life long, in light weight, have in terms of industrial exhaust heat and Waste Heat Reuse wide
Application prospect.But current thermoelectric generation is also limited in application process by both sides, is on the one hand thermoelectric material
Thermoelectric figure of merit Z is not high enough, causes generating efficiency relatively low;On the other hand, the heat-transfer equipment of stability and high efficiency is lacked, and then in thermoelectricity material
Material both ends are difficult to be formed the stable and higher temperature difference, and existing thermo-electric generation system also has that small scale, expansion are poor, are difficult in addition
The problems such as it is higher to form standardization, commercialization, price, and destruction is likely to form to original system.
Heat pipe is a kind of natural heat-transfer equipment using flow working medium phase-change heat transfer, working medium evaporation endothermic in evaporator,
Gas flows into condenser, condenses heat release, condensed fluid Returning evaporimeter under capillary force effect within the condenser.Hot pipe technique has
Have heat transfer efficiency is high, isothermal is good, it is noiseless, without power drive, safe and reliable advantage, be widely used in electronics and set
The fields such as standby radiating, Solar use, recuperation of heat.Hot pipe technique is combined with thermoelectric generation can ensure diabatic process
Stability and high efficiency, and then the stable and sufficiently high temperature difference is formed, improve thermo-electric generation efficiency.A kind of thermo-electric generation heat pipe of China's patent
And temperature difference electricity generation device (application number 200810220647.X) and waste heat utilization thermoelectric power generation pipeline device (application number
201310012345.4) technical scheme that heat pipe is combined with thermo-electric generation is proposed, but the program is all to utilize small-sized list
Radical heat pipe recovery section pipeline section waste heat, adopting heat pipes for heat transfer amount is small, heat transfer distances are short, and gas-liquid counter current easily causes entrainment limit,
System scale is small, autgmentability is poor, be only applicable to particular system, device is complicated and larger to original pipeline systematic influence, it is difficult to shape
Into extensive power generation applications.
The content of the invention:
The present invention is to provide a kind of temperature difference hair based on flat-plate heat pipe to solve the above-mentioned problems of the prior art
The heat pipe circulation residual heat thermoelectric power generation of electric module and its composition, Multi-hole parallel flow flat tube and thermo-electric generation sheet and radiated rib
It is brought into close contact, is packaged as a whole with fan, forms standardization temperature-difference power generation module, the temperature difference is neatly chosen according to used heat heat dissipation capacity
Electricity generation module, and loop circuit heat pipe is formed with heat exchanger in waste heat pipeline, the stable temperature difference is formed in thermo-electric generation sheet both sides, is improved
Generating efficiency and generating scale, and modularized production application, design and installation is flexible, expansion is good, be advantageous to commercialization,
Standardization.
The present invention adopts the following technical scheme that:A kind of temperature-difference power generation module based on flat-plate heat pipe, by thermo-electric generation unit,
Housing, fan, gas interface and fluidic interface composition, the thermo-electric generation unit are assembled in enclosure interior, are provided with before and after housing
Gas channel, sets fan on front side of gas channel, and the thermo-electric generation unit be arranged in parallel some groups of porous-parallels from left to right
Flat tube is flowed, close installation thermo-electric generation sheet and radiated rib successively at left and right sides of Multi-hole parallel flow flat tube, Multi-hole parallel flow flat tube
Upper and lower ends are inserted in gas collectors and liquid collectors respectively, and gas collectors are located at upside, are connected with gas interface, liquid collectors
Positioned at downside, it is connected with fluidic interface.
The present invention also adopts the following technical scheme that:The heat pipe circulation that a kind of temperature-difference power generation module based on flat-plate heat pipe is formed
Residual heat thermoelectric power generation, including the temperature-difference power generation module based on flat-plate heat pipe described in claim 1, exchanged heat in waste heat pipeline
Device, gas pipeline and fluid pipeline, heat exchanger is connected by gas pipeline with gas interface in the waste heat pipeline, waste heat pipeline
Interior heat exchanger is connected by fluid pipeline with fluidic interface;If fluids within pipes temperature is higher than environment temperature, temperature-difference power generation module
Installation is higher than heat exchanger in waste heat pipeline, and heat exchanger is heat pipe circulating evaporator in waste heat pipeline, and temperature-difference power generation module is heat pipe
Cycle condenser;If fluids within pipes temperature is less than environment temperature, temperature-difference power generation module installation is less than heat exchanger in waste heat pipeline,
Heat exchanger is heat pipe cycle condenser in waste heat pipeline, and temperature-difference power generation module is heat pipe circulating evaporator.
Further, need to first be vacuumized during installation, fill phase-change working substance afterwards, phase-change working substance be freon, water, ethanol or
Acetone.
Further, liquid pump, capillary wick is set to return liquid device on liquid line.
Further, reservoir is set on liquid line.
Further, gas-liquid separator is set on gas piping.
The present invention has the advantages that:
1st, flat-plate heat pipe and the ingenious combination of thermo-electric generation sheet, modularization temperature-difference power generation module is formed, is advantageous to thermo-electric generation
Standardization, modularization, the commercialization of module, can reduce product price conscientiously, promote the extensive use of thermoelectric generation;
2nd, the temperature-difference power generation module based on flat-plate heat pipe and afterheat heat exchanger form loop circuit heat pipe, and heat transfer efficiency is high, isothermal
Property it is good, can conduct heat at a distance, on a large scale, without power drive, and in heat pipe gas-liquid shunt, avoid carrying around the limit;
3rd, the residual heat thermoelectric power generation that temperature-difference power generation module based on flat-plate heat pipe is formed, design and installation is flexible,
Initial cost is low, autgmentability is strong, can set up Large Copacity residual heat thermoelectric power generation;
4th, isothermal is fine during adopting heat pipes for heat transfer, and each thermo-electric generation sheet temperature difference is essentially identical, has ensured generating electricity
The uniformity and stability of pressure.
Brief description of the drawings:
Fig. 1 is the temperature-difference power generation module schematic diagram based on flat-plate heat pipe of the present invention.
Fig. 2 is the thermo-electric generation cell schematics in the temperature-difference power generation module based on flat-plate heat pipe of the present invention.
Fig. 3 is Fig. 2 Section A-A figure.
Fig. 4 is the high-temperature residual heat thermo-electric generation system schematic diagram of the temperature-difference power generation module structure based on flat-plate heat pipe.
Fig. 5 is the low temperature waste cold thermo-electric generation system schematic diagram of the temperature-difference power generation module structure based on flat-plate heat pipe.
In figure:
1- thermo-electric generation units;11- Multi-hole parallel flow flat tubes;12- thermo-electric generation sheets;13- radiated ribs;14- gas
Body collector;15- liquid collectors;2-housing;21-gas channel;3- fans;4- gas interfaces;5- fluidic interfaces;6-
Heat exchanger in waste heat pipeline;8- gas pipings;9- liquid lines.
Embodiment:
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the temperature-difference power generation module of the invention based on flat-plate heat pipe, and it is mainly by thermo-electric generation list
Member 1, housing 2, fan 3, gas interface 4 and fluidic interface 5 form.Thermo-electric generation unit 1 is assembled in inside housing 2, before housing 2
Gas channel 21 is provided with afterwards, and the front side of gas channel 21 sets fan 3.
Fig. 2 is the structural representation of thermo-electric generation unit 1, thermo-electric generation unit 1 be arranged in parallel from left to right some groups it is porous
Parallel stream flat pipe 11, the left and right sides of Multi-hole parallel flow flat tube 11 close installation thermo-electric generation sheet 12 and radiated rib 13 successively are more
The upper and lower ends of hole parallel stream flat pipe 11 are inserted in gas collectors 14 and liquid collectors 15 respectively, and gas collectors 14 are located at upside, with
Gas interface 4 connects, and liquid collectors 15 are located at downside, are connected with fluidic interface 5.
As shown in Figure 4 and Figure 5, some groups of temperature-difference power generation modules based on flat-plate heat pipe and heat exchanger 6, gas in waste heat pipeline
Body pipeline 8 and fluid pipeline 9 form heat pipe circulation residual heat thermoelectric power generation.Heat exchanger 6 passes through gas pipeline 8 in waste heat pipeline
It is connected with gas interface 4, heat exchanger 6 is connected by fluid pipeline 9 with fluidic interface 5 in waste heat pipeline.
As shown in figure 4, if fluids within pipes temperature is higher than environment temperature, such as industrial exhaust heat etc., temperature-difference power generation module
Installation is higher than heat exchanger 6 in waste heat pipeline, and heat exchanger 6 is used as heat pipe circulating evaporator in waste heat pipeline, and temperature-difference power generation module is made
For heat pipe cycle condenser.Now, in hot-pipe system working medium in waste heat pipeline in heat exchanger 6 by thermal evaporation, gaseous working medium edge
Gas pipeline 8 is flowed into temperature-difference power generation module gas interface 4, flat by the evenly distributed each Multi-hole parallel flow of inflow of gas collectors 14
In pipe 11.Exothermic condensation is liquid refrigerant in working medium Multi-hole parallel flow flat tube 11, and liquid refrigerant passes sequentially through under gravity
Liquid collectors 15, fluidic interface 5, liquid line 9 are back in pipeline in heat exchanger 6, are completed heat pipe and are circulated, waste heat quilt in pipeline
It is transferred in temperature-difference power generation module.Now, thermo-electric generation sheet 12 is high temperature side against the side of Multi-hole parallel flow flat tube 11, thermo-electric generation
Piece 12 is low temperature side against the side of radiated rib 13, and temperature difference driving thermo-electric generation sheet 12 generates electricity, and used heat passes through radiated rib 13
It is discharged into air.
As shown in figure 5, if fluids within pipes temperature is less than environment temperature, such as liquefied natural gas waste cold etc., temperature difference hair
Electric module installation is less than heat exchanger 6 in waste heat pipeline, and heat exchanger 6 is used as heat pipe cycle condenser, thermo-electric generation in waste heat pipeline
Module is as heat pipe circulating evaporator.Now, in hot-pipe system working medium in the Multi-hole parallel flow flat tube 11 of temperature-difference power generation module
By thermal evaporation, gaseous working medium successively gas coming through collector 14, gas interface 4, in the flow ipe of gas piping 8 in heat exchanger 6,
Wherein exothermic condensation is liquid refrigerant, and liquid refrigerant passes sequentially through liquid line 9, fluidic interface 5 and liquid under gravity
Collector 15, it is back in each Multi-hole parallel flow flat tube 11, completes heat pipe circulation, waste cold is transferred to temperature-difference power generation module in pipeline
In.Now, thermo-electric generation sheet 12 is low temperature side against the side of Multi-hole parallel flow flat tube 11, and thermo-electric generation sheet 12 abuts radiated rib 13
Side is high temperature side, and temperature difference driving thermo-electric generation sheet 12 is generated electricity, and waste cold is discharged into air by radiated rib 13.
It need to first be vacuumized during heat pipe circulation residual heat thermoelectric power generation installation of the present invention, phase-change working substance be filled afterwards, according to remaining
Hot temperature is different, and phase-change working substance can be freon, water, ethanol, acetone etc..
If heat pipe discrepancy in elevation deficiency or temperature-difference power generation module are excessive, weight-driven failure, liquid can be set on liquid line 9
Pump, capillary wick etc. return liquid device, strengthen Working fluid flow, strengthen adopting heat pipes for heat transfer effect.
To cross multiple working medium in receiving system, reservoir can be set on liquid line 9.To avoid liquid refrigerant from entering condensation
Device, gas-liquid separator can be set on gas piping 8.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, some improvement can also be made under the premise without departing from the principles of the invention, and these improvement also should be regarded as the present invention's
Protection domain.
Claims (6)
- A kind of 1. temperature-difference power generation module based on flat-plate heat pipe, it is characterised in that:By thermo-electric generation unit (1), housing (2), wind (3), gas interface (4) and fluidic interface (5) composition are fanned, the thermo-electric generation unit (1) is assembled in housing (2) inside, housing (2) it is front and rear to be provided with gas channel (21), fan (3) is set on front side of gas channel (21), the thermo-electric generation unit (1) from a left side extremely The right side be arranged in parallel some groups of Multi-hole parallel flow flat tubes (11), the close installation temperature difference successively at left and right sides of Multi-hole parallel flow flat tube (11) Power generation sheet (12) and radiated rib (13), Multi-hole parallel flow flat tube (11) upper and lower ends insert gas collectors (14) and liquid respectively In collector (15), gas collectors (14) are located at upside, are connected with gas interface (4), and liquid collectors (15) are located at downside, with liquid Interface (5) connects.
- 2. the heat pipe circulation residual heat thermoelectric power generation that a kind of temperature-difference power generation module based on flat-plate heat pipe is formed, its feature exist In:Including heat exchanger (6), gas pipeline in the temperature-difference power generation module based on flat-plate heat pipe described in claim 1, waste heat pipeline (8) and fluid pipeline (9), heat exchanger (6) is connected by gas pipeline (8) with gas interface (4) in the waste heat pipeline, waste heat Heat exchanger (6) is connected by fluid pipeline (9) with fluidic interface (5) in pipeline;If waste heat fluids within pipes temperature is higher than environment Temperature, temperature-difference power generation module installation are higher than heat exchanger (6) in waste heat pipeline, and heat exchanger (6) is that heat pipe circulation is steamed in waste heat pipeline Device is sent out, temperature-difference power generation module is heat pipe cycle condenser;If waste heat fluids within pipes temperature is less than environment temperature, thermo-electric generation mould Block installation is less than heat exchanger (6) in waste heat pipeline, and heat exchanger (6) is heat pipe cycle condenser in waste heat pipeline, thermo-electric generation mould Block is heat pipe circulating evaporator.
- 3. the heat pipe circulation waste heat thermo-electric generation system that the temperature-difference power generation module based on flat-plate heat pipe is formed as claimed in claim 2 System, it is characterised in that:It need to first be vacuumized during installation, fill phase-change working substance afterwards, phase-change working substance is freon, water, ethanol or third Ketone.
- 4. the heat pipe circulation waste heat thermo-electric generation system that the temperature-difference power generation module based on flat-plate heat pipe is formed as claimed in claim 2 System, it is characterised in that:Liquid pump, capillary wick is set to return liquid device on liquid line (9).
- 5. the heat pipe circulation waste heat thermo-electric generation system that the temperature-difference power generation module based on flat-plate heat pipe is formed as claimed in claim 2 System, it is characterised in that:Liquid line sets reservoir on (9).
- 6. the heat pipe circulation waste heat thermo-electric generation system that the temperature-difference power generation module based on flat-plate heat pipe is formed as claimed in claim 2 System, it is characterised in that:Gas piping sets gas-liquid separator on (8).
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Cited By (2)
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CN109639181A (en) * | 2018-12-12 | 2019-04-16 | 深圳大学 | A kind of in-situ heat volt power generator |
WO2020118866A1 (en) * | 2018-12-12 | 2020-06-18 | 深圳大学 | Temperature-layer staggered thermovoltaic power generation device |
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KR101307507B1 (en) * | 2012-05-25 | 2013-09-12 | 경희대학교 산학협력단 | Apparatus for radiating exothermic element and exothermic element package module |
KR20160049717A (en) * | 2014-10-28 | 2016-05-10 | 세종공업 주식회사 | Self Cooling type PrOx using Thermoelectric Module and Portable Fuel Cell Generator thereby |
CN207947726U (en) * | 2017-10-30 | 2018-10-09 | 南京航空航天大学 | The heat pipe of temperature-difference power generation module and its composition based on flat-plate heat pipe recycles residual heat thermoelectric power generation |
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2017
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201594801U (en) * | 2010-01-12 | 2010-09-29 | 重庆大学 | Heat accumulating type temperature difference power generation device based on thermotube thermoswitch |
CN101882902A (en) * | 2010-07-20 | 2010-11-10 | 赵耀华 | Semiconductor thermoelectric power generator |
KR101307507B1 (en) * | 2012-05-25 | 2013-09-12 | 경희대학교 산학협력단 | Apparatus for radiating exothermic element and exothermic element package module |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109639181A (en) * | 2018-12-12 | 2019-04-16 | 深圳大学 | A kind of in-situ heat volt power generator |
WO2020118815A1 (en) * | 2018-12-12 | 2020-06-18 | 深圳大学 | In situ thermovoltaic power generation device |
WO2020118866A1 (en) * | 2018-12-12 | 2020-06-18 | 深圳大学 | Temperature-layer staggered thermovoltaic power generation device |
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