CN109331567A - A kind of afterheat recovery type thermo-electric generation solid particle collection device and its working method - Google Patents
A kind of afterheat recovery type thermo-electric generation solid particle collection device and its working method Download PDFInfo
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- CN109331567A CN109331567A CN201811091811.1A CN201811091811A CN109331567A CN 109331567 A CN109331567 A CN 109331567A CN 201811091811 A CN201811091811 A CN 201811091811A CN 109331567 A CN109331567 A CN 109331567A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention discloses a kind of afterheat recovery type thermo-electric generation solid particle collection device and its working method, device includes waste heat recovery unit and solid particle collection unit, temperature difference electricity generation device is arranged in the inside of the waste heat recovery unit, and the temperature difference electricity generation device is that solid particle collection unit persistently provides electric energy.The present invention combines thermoelectric generation with phase-change material heat recovery technology, make full use of low grade residual heat resource, under the premise of not consuming additional energy source, temperature difference electricity generation device is reduced to the time dependence of energy supply, electric energy is provided to be continuously high power air purification device, improve energy utilization rate, at the same can also air in continuing purge factory floor, provide a healthy working environment for staff.
Description
Technical field
The present invention relates to a kind of afterheat recovery type thermo-electric generation solid particle collection device and its working methods, belong to air
Purification apparatus field.
Background technique
Some pellets such as dust, spray dust, smog etc., staff are often generated in industrial processes
For a long time in this environment containing a large amount of pellets can to its body respiratory system, heart and hematological system,
The physical functions such as immune system and endocrine system generate serious damage.Current relatively effective workshop condition purification method master
It is reduced pollution sources, the high-power exhaust apparatus of installation and using air cleaning processing equipment etc., wherein air cleaning processing is set
It is standby since its is high-efficient, it is quick the advantages that, it has also become improve the first choice of indoor air quality.But long-play air
Purification apparatus needs to consume a large amount of electric energy, and which again increases the consumption of the energy, improves the financial burden of enterprise.Cause
This, there is an urgent need to develop the air cleaning units for being effectively improved workshop air quality with low energy consumption.
Enterprise often gives off a large amount of low grade residual heat in industrial processes, can if it can be used
Energy resource system energy consumption efficiency is effectively improved, energy shortage is alleviated, mitigates environmental pollution.
Along with the propulsion of sustainable development, factory increasingly payes attention to the recycling of low grade residual heat.How by low product
Heat in the residual heat resources of position efficiently utilizes, and reduces energy consumption by the important goal for having become factory.And based on pyroelectric effect
Low grade heat energy can be converted to electric energy under the operating condition of Low Temperature Difference by thermoelectric generation, and that improves energy system uses efficiency
The application apparatus structure of rate, the generation technology is simple, and material is sturdy and durable, ensure that the durable of generating equipment.Temperature difference hair
Electric equipment structure is simple, runs low noise, no pollution to the environment, the applied energy be mostly renewable energy as solar energy,
The low-grade energies such as thermal energy, industrial exhaust heat are a kind of environmentally protective generation modes.But thermoelectric generation for heat source according to
Rely property larger, if industrial production activities stop, temperature difference electricity generation device will lose its origin of heat, so that power generation institute cannot be maintained
The temperature difference is needed, guarantees to continue working.
Phase-change material can be absorbed the heat in environment by phase transformation, work as environment when environment temperature is higher than its phase transition temperature
When temperature is lower than its phase transition temperature, then heat is discharged.Therefore, the exothermic time delay of phase-change material suction solves energy confession just
It should can be stored to enable amount when equipment is without the use of with demand to time dependence, when to needing, then be released
It puts.
When undergoing phase transition, since the density of solid phase and liquid phase is inconsistent, volume can be sent out common solid-liquid phase change material
There is gap, considerably increase heat transfer resistance, influence it in raw a certain amount of variation, phase-change material and heat-transfer surface after leading to encapsulation
Heat transfer efficiency.In addition, part solid-liquid phase change material has corrosivity when being in liquid phase, erosion is generated to container, thus to encapsulation
It impacts, or even will cause leakage.And shaping phase-change material can keep solid-state in phase transition process in range of temperature
Shape and there is certain mechanical strength, can be good at adapting to encapsulation, reduces volume change to passing thermogenetic influence.
In addition, the thermal coefficient of phase-change material is generally lower, therefore in heat-accumulating process, it may appear that heat is close to phase transformation
Material area is nearby gathered and cannot be timely passed in the phase-change material far from heat exchange area, and localized hyperthermia occurs
Situation.Exothermic process is exactly the opposite, and the phase-change material far from heat exchange area cannot timely release heat.Therefore, it deposits
In the demand for further increasing heat transfer efficiency in phase-change material.
Summary of the invention
The present invention be directed to above-mentioned the deficiencies in the prior art, and provide a kind of utilization thermo-electric generation driving induction fan suction
The equipment for entering air to collect solid particle.The present invention can be become using phase-changing energy storage material using material phase itself or structure
Change, in the case where remaining temperature-resistant to the function of environment automatic absorption or release latent heat, thermo-electric generation can be met to the energy
Supply and demand time dependence requirement.The solid particle collection device can carry out thermo-electric generation using waste heat, reach
Energy-efficient effect, the change caliber tube bank with fin make high temperature phase change material (pcm) uniformly and fully absorb heat progress phase transformation, use
High temperature setting phase-change material energy storage can make solid particle collection device continuous service in nothing left heat supply, and reduce phase variant
Product changes and increased heat transfer resistance, prevents heat loss from extending the device continuous working period using insulating layer.
The technical solution adopted by the present invention is that:
A kind of afterheat recovery type thermo-electric generation solid particle collection device, comprising: waste heat recovery unit and solid particle collection list
Temperature difference electricity generation device is arranged in member, the inside of the waste heat recovery unit, and the temperature difference electricity generation device is solid particle collection unit
Electric energy is persistently provided, wherein
The waste heat recovery unit includes the first box unit, thermoelectric generation film, waste heat recovery pipe beam and phase-change thermal storage medium,
Wherein, one end of first box unit is equipped with high temperature fluid import, and the first box unit other end goes out equipped with high temperature fluid
Mouthful, high temperature fluid supply pipe is connected with the high temperature fluid import, in the first box unit positioned at the high temperature fluid import with
It is slow that part between high temperature fluid outlet sets gradually the first air-flow being spaced apart by split-flow baffles along high temperature fluid trend
Rush space, phase-change thermal storage medium accommodating chamber and the second air-flow buffer space, wherein phase is filled in phase-change thermal storage medium accommodating chamber
Become heat-storage medium, the setting waste heat recovery pipe beam is uniformly interted in the phase-change thermal storage medium, is corresponded on the split-flow baffles
Equipped with the tube bank hole interted for waste heat recovery pipe beam, the arranged direction of waste heat recovery pipe beam and the air flow direction phase of high-temperature gas
Together；
The top of first box unit is open end, and the thermoelectric generation film, the heat of thermoelectric generation film is arranged on open end
End is uniformly attached to the outside of phase-change thermal storage medium heat delivery surface；
The solid particle collection unit includes the second box unit, is equipped in the second box unit and drains to solid particle
The drainage channel of filtering sets gradually air inlet, induction fan, first from air duct import to ducting outlet on the drainage channel
Drainage lumens, filter core, the second drainage lumens and exhaust outlet.
The waste heat recovery pipe beam is evenly arranged in the phase change medium accommodating chamber, and from phase-change thermal storage media center to
The caliber of the waste heat recovery pipe beam of phase-change thermal storage medium surrounding becomes larger.
Every waste heat recovery pipe Shu Jun has the identical fin of outer diameter.
Thermal insulation material is equipped in the tank wall of first box unit.
It is located at high temperature fluid input end in first box unit and the outlet end of high temperature fluid is all provided with the recycling that has surplus heat
Main pipe, and waste heat recycling main pipe is enclosed with heat-barrier material.
First box unit and the second box unit are rectangular parallelepiped structure, and the phase-change thermal storage medium accommodating chamber is set
It sets in the middle part of the first box unit, and the volume of phase-change thermal storage medium accommodating chamber accounts for the first box unit internal capacity at least
2/3。
Second box unit is rectangular parallelepiped structure, and draining air inlet described in air duct is to be arranged in the second cabinet list
The groove-type air inlet of first side bottom end is arranged with several induction fans on groove-type air inlet；Drain institute in air duct
The air outlet stated is that the groove-type air outlet for being located at the same upper lateral part of air inlet in the second box unit is arranged in, groove-type outlet air
Mouth is equipped with electric-powered shutter；
Horizontal cross is provided at least one layer of filter core between the first drainage lumens and the second drainage lumens in second box unit.
Switchable tank wall is equipped in second box unit between induction fan and electric-powered shutter, is used for filter core
Be replaced and cleaned.
The phase-change thermal storage medium use high temperature setting phase-change material, be organic, inorganic solid-solid phase transition material or
Using polymer, porous material as the shaping phase-change material of carrier.
The present invention further discloses a kind of based on the afterheat recovery type thermo-electric generation solid particle collection device
Working method, when waste heat recovery pipe beam supplies high temperature fluid, high temperature fluid passes through waste heat supply pipe inlet air flow stream cushion space,
Waste heat recovery pipe beam is flowed into through split-flow baffles again, phase-change thermal storage medium is transferred heat to, after the complete phase transformation of phase-change thermal storage medium
Temperature, which is increased, forms the temperature difference with extraneous, to carry out thermo-electric generation, drives induction fan, introduces air, is collected by filter core solid
Body particle sends out air；
Temperature difference electricity generation device persistently generates electricity, and the operating of induction fan in solid particle collection device is maintained, to industrial processes
Middle pellet is filtered absorption dedusting；
When waste heat recovery pipe beam does not supply high temperature fluid, phase-change thermal storage medium can continue heat release and maintain the temperature difference, send out the temperature difference
Electric installation continues to generate electricity, and maintains the operating of induction fan in solid particle collection device.
The beneficial effects of the present invention are:
The first, the invention discloses a kind of afterheat recovery type thermo-electric generation solid particle collection device, the phase-change thermal storage of filling is situated between
Matter can store thermal energy when waste heat recovery pipe beam supplies high temperature fluid, when waste heat recovery pipe beam does not supply high temperature fluid, phase
The temperature difference can be maintained with heat release by becoming heat-storage medium, made temperature difference electricity generation device continue to generate electricity, maintained the operating of induction fan；The waste heat returns
The operating condition of receipts formula thermo-electric generation solid particle collection device is not limited by the energy, time factor, can not disappeared day and night,
It is continually and steadily efficiently run in the case where the consumption energy.
The second, the tube bank of change caliber and air-flow buffer space with fin, not only increase the heat exchange area of high temperature fluid,
And high temperature phase change material (pcm) can be made uniformly and fully to absorb heat and carry out phase transformation, greatly improve heat transfer efficiency.In addition,
Due to be located at phase-change thermal storage media center region tube bank caliber it is smaller, positioned at phase-change thermal storage medium peripheral regions caliber compared with
Greatly, therefore flow resistance of the air-flow in central area is restrained is larger, forces air-flow Regional Dispersion around, can effectively promote gas
Stream is uniformly distributed in each tube bank, is made phase-change material central area that can exchange heat with high temperature hot gas stream with peripheral regions, is mentioned
The heat exchange uniformity of high phase-change material.Heat exchange area has been significantly greatly increased in the structure, and can realize the synchronization phase of high temperature phase change material (pcm)
Become, improves heat transfer efficiency.
Third, phase-change thermal storage medium use shaping phase-change material, and volume will not change with phase transformation, not only eliminate
The problem that solid-liquid phase change material causes heat transfer efficiency low because of volume change, while also avoiding solid-liquid phase change material and being in liquid
Corrosion problems when phase.
4th, the switchable tank wall structure of solid particle collection device can be convenient cleaning replacement filter core.
Detailed description of the invention
Fig. 1 is afterheat recovery type thermo-electric generation solid particle collection device schematic perspective view of the invention.
Fig. 2 is solid particle collection device schematic perspective view of the invention.
Fig. 3 is temperature difference electricity generation device planar structure schematic diagram of the invention.
Fig. 4 is the operation schematic diagram of afterheat recovery type thermo-electric generation solid particle collection device of the invention.
In figure, 1. temperature difference electricity generation devices；2. solid particle collection device；3. waste heat recycles main pipe；4. heat-barrier material；
5. the second box unit；6. electric-powered shutter；7. switchable tank wall；8. induction fan；9. filter core；10. the first cabinet
Unit；11. thermoelectric generation film；12. fin；13. waste heat recovery pipe beam；14. phase-change thermal storage medium；15. thermal insulation material；
16. high temperature fluid；17. air-flow buffer space；18. split-flow baffles；19. heat delivery surface；20. introducing air；21. collecting
Solid particle；22. sending out air；23. thermo-electric generation.
Specific embodiment
Illustrate further to be described in detail with reference to the accompanying drawing.
Fig. 1 is a kind of schematic perspective view of afterheat recovery type thermo-electric generation solid particle collection device of the present invention.It is
By temperature difference electricity generation device 1, solid particle device 2 and the afterheat recovery type temperature that forms of waste heat recycling main pipe 3 for being wrapped with heat-barrier material 4
Poor electrical generation solid particle collection device.
Fig. 2 is solid particle collection device schematic perspective view.Be by the second box unit 5, electric-powered shutter 6, can
Switch tank wall 7, the solid particle collection device 2 that induction fan 8 is constituted.Filter core 9 is located among solid particle collection device 2, is in
Lateral multi-tier arrangement, induction fan 8 are located at 2 lower part of solid particle collection device, and electric-powered shutter 6 is located at solid particle collection dress
Set 2 tops；It is switchable tank wall 7 between induction fan 8 and electric-powered shutter 6, is used for cleaning replacement filter core 9.
Fig. 3 is temperature difference electricity generation device planar structure schematic diagram.It is to be returned by the first box unit 10, thermoelectric generation film, waste heat
The temperature difference electricity generation device 1 of closed tube beam and phase-change thermal storage medium composition.
Thermal insulation material 15 is equipped in the tank wall of first box unit, be located in the first box unit 10 high temperature fluid into
Part between mouth and high temperature fluid outlet sets gradually air-flow buffer space 17 along high temperature fluid trend, phase-change thermal storage medium holds
It receives chamber and air-flow buffer space 17, is separated by two pieces of split-flow baffles 18, two air-flow buffer spaces 17 are by with fin 12
Waste heat recovery pipe beam 13 is connected to, and phase-change thermal storage medium 14 is filled in phase-change thermal storage medium accommodating chamber.
The hot end of thermoelectric generation film 11 is uniformly affixed on heat delivery surface 19.
High temperature fluid 16 is by 3 inlet air flow stream cushion space 17 of waste heat supply pipe, then flows into waste heat through split-flow baffles 18 and return
Closed tube beam 13 transfers heat to phase-change thermal storage medium 14.
The existing heat insulation effect of temperature difference electricity generation device 1, prevents heat loss, and increase phase-change thermal storage medium 14 and waste heat
The heat exchange area of recycling tube bank 13, improves heat exchange efficiency.
High temperature fluid 16 enters first air-flow buffer space from entrance, and the cushion space can increase heat-transfer surface
Product, and among waste heat recovery pipe beam described in high temperature fluid entrance face, therefore fluid flows into the speed of the waste heat recovery pipe beam
Degree is gradually reduced around from center, and its flow velocity is also related with caliber, and therefore, the big caliber arrangement of intermediate small surrounding is adjustable
Its flow velocity, the flow for flowing through pipeline can make the high temperature phase change material (pcm) of required processing around it uniformly just and fully absorb
Its bring heat.Heat exchange area has been significantly greatly increased in the structure, and can realize the synchronization phase transformation of high temperature phase change material (pcm), improves heat transfer
Efficiency
In order to further enhance the heat exchange efficiency of phase transformation heat-storage medium, every waste heat recovery pipe Shu Jun is identical with outer diameter
Fin.
Fig. 4 is afterheat recovery type thermo-electric generation solid particle collection device operation schematic diagram.Waste heat recovery pipe beam 13 will be warm
Amount passes to phase-change thermal storage medium 14, and temperature, which is increased, after complete phase transformation forms the temperature difference with extraneous, to carry out thermo-electric generation 23, drives
Dynamic induction fan 8, introduces air 20, collects solid particle 21 by filter core 9, sends out air 22.
Several described drainage wind that the electric energy that the phase-change thermal storage medium provides can make general power reach 500W or more
Fan at least continuous service 12 hours.
A kind of afterheat recovery type thermo-electric generation solid particle collection device of the present invention, by thermoelectric generation and phase-change material
Heat recovery technology combines, and makes full use of low grade residual heat resource, under the premise of not consuming additional energy source, reduces temperature difference hair
Electric installation improves energy benefit so that being continuously high power air purification device provides electric energy to the time dependence of energy supply
With rate, at the same can also air in continuing purge factory floor, provide a healthy working environment for staff.
Claims (10)
1. a kind of afterheat recovery type thermo-electric generation solid particle collection device characterized by comprising waste heat recovery unit and solid
Temperature difference electricity generation device is arranged in body powder collection unit, the inside of the waste heat recovery unit, and the temperature difference electricity generation device is solid
Powder collection unit persistently provides electric energy, wherein
The waste heat recovery unit includes the first box unit, thermoelectric generation film, waste heat recovery pipe beam and phase-change thermal storage medium,
Wherein, one end of first box unit is equipped with high temperature fluid import, and the first box unit other end goes out equipped with high temperature fluid
Mouthful, high temperature fluid supply pipe is connected with the high temperature fluid import, in the first box unit positioned at the high temperature fluid import with
It is slow that part between high temperature fluid outlet sets gradually the first air-flow being spaced apart by split-flow baffles along high temperature fluid trend
Rush space, phase-change thermal storage medium accommodating chamber and the second air-flow buffer space, wherein phase is filled in phase-change thermal storage medium accommodating chamber
Become heat-storage medium, the setting waste heat recovery pipe beam is uniformly interted in the phase-change thermal storage medium, is corresponded on the split-flow baffles
Equipped with the tube bank hole interted for waste heat recovery pipe beam, the arranged direction of waste heat recovery pipe beam and the air flow direction phase of high-temperature gas
Together；
The top of first box unit is open end, and the thermoelectric generation film, the heat of thermoelectric generation film is arranged on open end
End is uniformly attached to the outside of phase-change thermal storage medium heat delivery surface；
The solid particle collection unit includes the second box unit, is equipped in the second box unit and drains to solid particle
The drainage channel of filtering sets gradually air inlet, induction fan, first from air duct import to ducting outlet on the drainage channel
Drainage lumens, filter core, the second drainage lumens and exhaust outlet.
2. afterheat recovery type thermo-electric generation solid particle collection device according to claim 1, which is characterized in that described remaining
Recuperation of heat tube bank is evenly arranged in the phase change medium accommodating chamber, and from phase-change thermal storage media center to phase-change thermal storage medium four
The caliber of the waste heat recovery pipe beam in week becomes larger.
3. afterheat recovery type thermo-electric generation solid particle collection device according to claim 1, which is characterized in that more than every
Recuperation of heat tube bank has the identical fin of outer diameter.
4. afterheat recovery type thermo-electric generation solid particle collection device according to claim 1, which is characterized in that described
Thermal insulation material is equipped in the tank wall of one box unit.
5. afterheat recovery type thermo-electric generation solid particle collection device according to claim 1, which is characterized in that described
It is all provided with to have surplus heat positioned at the outlet end of high temperature fluid input end and high temperature fluid in one box unit and recycles main pipe, and the waste heat
Recycling main pipe is enclosed with heat-barrier material.
6. afterheat recovery type thermo-electric generation solid particle collection device according to claim 1, which is characterized in that described
One box unit and the second box unit are rectangular parallelepiped structure, and the phase-change thermal storage medium accommodating chamber is arranged in the first cabinet list
First middle part, and the volume of phase-change thermal storage medium accommodating chamber accounts at least the 2/3 of the first box unit internal capacity.
7. afterheat recovery type thermo-electric generation solid particle collection device according to claim 1, which is characterized in that described
Two box units are rectangular parallelepiped structure, and draining air inlet described in air duct is the slot that the second box unit side bottom end is arranged in
Road formula air inlet is arranged with several induction fans on groove-type air inlet；Air outlet described in drainage air duct is to set
The groove-type air outlet for being located at the same upper lateral part of air inlet in the second box unit is set, groove-type air outlet is equipped with electronic hundred
Leaf window；
Horizontal cross is provided at least one layer of filter core between the first drainage lumens and the second drainage lumens in second box unit.
8. afterheat recovery type thermo-electric generation solid particle collection device according to claim 7, which is characterized in that described
Switchable tank wall is equipped in two box units between induction fan and electric-powered shutter, for being replaced and cleaned for filter core.
9. afterheat recovery type thermo-electric generation solid particle collection device according to claim 1, which is characterized in that the phase
Become heat-storage medium and use high temperature setting phase-change material, is organic, inorganic solid-solid phase transition material or with polymer, porous
Material is the shaping phase-change material of carrier.
10. work of the one kind based on the afterheat recovery type thermo-electric generation solid particle collection device any in claim 1 ~ 9
Make method, which is characterized in that
When waste heat recovery pipe beam supplies high temperature fluid, high temperature fluid is by waste heat supply pipe inlet air flow stream cushion space, then passes through
Split-flow baffles flow into waste heat recovery pipe beam, transfer heat to phase-change thermal storage medium, temperature after the complete phase transformation of phase-change thermal storage medium
It increases and forms the temperature difference with extraneous, to carry out thermo-electric generation, drive induction fan, introduce air, solid is collected by filter core
Grain sends out air；
Temperature difference electricity generation device persistently generates electricity, and the operating of induction fan in solid particle collection device is maintained, to industrial processes
Middle pellet is filtered absorption dedusting；
When waste heat recovery pipe beam does not supply high temperature fluid, phase-change thermal storage medium can continue heat release and maintain the temperature difference, send out the temperature difference
Electric installation continues to generate electricity, and maintains the operating of induction fan in solid particle collection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091811.1A CN109331567A (en) | 2018-09-19 | 2018-09-19 | A kind of afterheat recovery type thermo-electric generation solid particle collection device and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091811.1A CN109331567A (en) | 2018-09-19 | 2018-09-19 | A kind of afterheat recovery type thermo-electric generation solid particle collection device and its working method |
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| CN109331567A true CN109331567A (en) | 2019-02-15 |
Family
ID=65306181
Family Applications (1)
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|---|---|---|---|
| CN201811091811.1A Pending CN109331567A (en) | 2018-09-19 | 2018-09-19 | A kind of afterheat recovery type thermo-electric generation solid particle collection device and its working method |
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| CN205516969U (en) * | 2016-03-03 | 2016-08-31 | 华北电力大学 | Air purifier based on hot -fluid thermoelectric generation |
| CN107588673A (en) * | 2017-09-21 | 2018-01-16 | 江苏大学 | A kind of micro-combustion TRT with phase-change accumulation energy system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140007915A1 (en) * | 2012-07-03 | 2014-01-09 | Robert Bosch Gmbh | Thermoelectric generator for a vehicle and heat storage device for a thermoelectric generator of a vehicle |
| CN102937327A (en) * | 2012-11-26 | 2013-02-20 | 攀枝花钢城集团瑞通制冷设备有限公司 | Fresh air filtering dusting machine |
| CN202947221U (en) * | 2012-12-06 | 2013-05-22 | 赵璐 | Air purifier |
| CN103993939A (en) * | 2014-06-06 | 2014-08-20 | 中国地质大学（武汉） | Integrated device for automotive exhaust purification treatment and waste heat power generation |
| CN104135191A (en) * | 2014-08-18 | 2014-11-05 | 中国地质大学（武汉） | Foam metal composite phase change material heat storage temperature-difference power generation device |
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Application publication date: 20190215 |