CN105577034B - The preparation method of multistage coupling high temperature sensible heat latent heat phase-change accumulation energy temperature difference electricity generation device - Google Patents
The preparation method of multistage coupling high temperature sensible heat latent heat phase-change accumulation energy temperature difference electricity generation device Download PDFInfo
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- H—ELECTRICITY
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Abstract
The invention discloses a kind of preparation method of multistage coupling high temperature sensible heat latent heat phase-change accumulation energy temperature difference electricity generation device, the high temperature composite phase change supporter of first one porous ceramic matrix of sinter molding, inorganic salts composite phase-change energy storage material is warming up to complete melting, in the energy storage material that the supporter is immersed to melting, a part of energy storage material is encapsulated in the phase-change accumulation energy storehouse of energy storage supporter；The salt on surface is removed after cooling, obtain porous, inorganic salt/ceramic base high temperature composite phase change energy-storing supporter, in the cell package groove that thermoelectric cell is embedded in energy storage support body case, heat conductive silica gel is coated in thermoelectric cell both sides, and insulating heat insulating material is filled between thermoelectric cell and energy storage supporter gap.The waste heat that obtained TRT can be recycled efficiently in high-temp waste gas (boiler waste gas, vehicle exhaust) is generated electricity, and improves the utilization rate of fuel, and reduce the exhaust method of pernicious gas.It can be widely used for the recovery profit of the used heat such as hot industry waste gas, vehicle exhaust.
Description
Technical field
The present invention relates to the generating skill that the heat energy of high-temp waste gas (boiler vapour, vehicle exhaust etc.) is converted into electric energy by one kind
Art, i.e., the preparation method of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device.
Background technology
21 century, human society is faced with the big crisis of global three：Energy shortage, environmental pollution and ecological disruption,
Increase year by year in particular with Global Auto recoverable amount so that transportation turns into major power consumer, energy resource consumption total amount
Account for 10% or so of whole society's energy resource consumption total amount.With the development of urbanization, energy demand will be growing day by day.How to improve
Energy utilization rate, taps a new source of energy and would is that the theme in the 21 century whole world.Thermoelectric generation is imitated using Seebeck (SeeBeck)
Answer, heat energy is directly changed into electric energy, with simple in construction, Maintenance free, movement-less part is environment-friendly to wait remarkable advantage.
Due to being limited by material property, the generating efficiency of thermoelectric cell is than relatively low.The new and effective energy is to carry using TRT
The main method of high generation efficiency.Phase-change energy-storage composite material is a kind of hot functional composite material, and energy can be dived with phase transformation
The form of heat is stored at it in vivo, realizes conversion of the energy between different space-time positions.Phase-change material also turns into state in recent years
The inside and outside developmental research in terms of using energy source and material science very active field.Inorganic salt/ceramic-base composite heat storage material
Belong to many empty dielectric materials of caking property, play the role of in energy field important.Inorganic salt/ceramic-base composite phase-change heat-storage material
Expect that the application in industrial storage heater is provided fundamental basis.The storage and utilization of energy are realized using the latent heat of phase change of phase-change material,
It is favorably improved efficiency and exploitation regenerative resource.Pass through inorganic salts ceramic base composite phase-change energy storage material and the height of thermoelectric cell
Effect coupling, the present invention proposes a kind of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device of new structure.
The content of the invention
The invention aims to make up the deficiencies in the prior art, there is provided a kind of coupling of the multi-stage, efficient of new structure is high
Warm sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device, the system can efficiently recycle high-temp waste gas (boiler waste gas, automobile
Tail gas) in waste heat generated electricity, improve the utilization rate of fuel, and reduce
The exhaust method of pernicious gas.In order to reach the purpose of the present invention, technical scheme is as follows：A kind of multistage coupling high temperature shows
The preparation method of heat-latent heat phase-change accumulation energy temperature difference electricity generation device, it is characterised in that comprise the following steps：
1), a number of heat sink, screw, insulation material, heat conductive silica gel, inorganic salts composite phase change energy-storing material are provided
Material, U-shaped connecting tube and thermoelectric cell；
2), preparation one can be sealed, porous, inorganic salt/ceramic base high temperature composite phase change energy-storing of convenient dismounting is supported
Body；The porous silicon carbide ceramic supporter with loose structure is prepared first；Inorganic salts composite phase-change energy storage material is warming up to
Melting completely, rapidly immerses the porous silicon carbide ceramic supporter in the energy storage material of melting, the inorganic salts phase of molten state
Change energy-storage material has good wettability to porous ceramics, and because the effect molten salt of capillary tension can spontaneous leaching
It is seeped into porous silicon carbide ceramic body, a part of energy storage material is encapsulated in the phase-change accumulation energy storehouse of energy storage supporter；After cooling,
The salt on surface is removed, porous, inorganic salt/ceramic base high temperature composite phase change energy-storing supporter is obtained；
1), thermoelectric cell is embedded in the cell package groove of energy storage support body case, heat conduction is coated in thermoelectric cell both sides
Silica gel, insulating heat insulating material is filled between thermoelectric cell and energy storage supporter gap, sealed thermoelectric cell with heat sink and screw,
And be fixed in the cell package groove of energy storage supporter, each screw pretightning force is equal, keeps thermoelectric cell surface heat exchanging
Uniformly；
2), there is connection boss, connection boss is provided with supporter connecting screw hole, U-shaped connecting tube on energy storage supporter
There are corresponding boss and connecting tube connecting screw hole, the energy storage for being packaged with thermoelectric cell is supported by body phase by U-shaped connecting tube
Connect, large power generating equipment is concatenated into two dimension either three dimensions according to required specification or directly generated electricity single
Equipment is connected between the ternary catalyzing unit of automobile and automobile exhaust pipe.
Further, the preparation process of the porous silicon carbide ceramic supporter is：
By the ball millings such as carborundum powder, pore creating material, binding agent sieving batch mixing, drying extrusion forming；
It is sintered in atmospheric air electric furnace, sintering temperature is 1000-1200 DEG C, the grinding tool of sinter molding is many after sunlight
The high temperature composite phase change supporter of hole ceramic base.
Preferably：The inorganic salts composite phase-change energy storage material be (Li 2/Na2) CO3, Ni/Li 2CO3, Na 2CO3,
Any one in K2CO3, BaCO3, NaNO3, Na2SO4.
Preferably：The composite phase-change temperature of the inorganic salts composite phase-change energy storage material is 500-600 DEG C.
Preferably：The heating-up temperature of inorganic salts composite phase-change energy storage material is 700 DEG C during infiltration, and the infiltration time is 60 points
Clock, has infiltrated and energy storage supporter is directly taken out into cooling out of electric furnace.
A kind of multi-stage, efficient coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device, it is characterised in that：By a plurality of
Energy storing and electricity generating monomer is concatenated in two dimension or three dimensions by connecting tube and formed, and the energy storing and electricity generating monomer is supported by energy storage
Body and the mutual efficient coupling composition of the thermoelectric cell being packaged on the outside of the energy storage supporter.Energy storing and electricity generating monomer can be according to required
Direction and quantity carry out tandem multi-stage coupling in two and three dimensions space by U-tube connector and are assembled into large-scale generating dress
Put.Energy storage supporter is inorganic salt/ceramic-base high temperature composite phase change energy-storing supporter.
Further：The energy storage supporter has an inner arc surface and exterior arc surface, the inner arc surface and exterior arc surface it
Between be connected with collecting plate, inside energy storage supporter, several sectors are formd by inner arc surface, exterior arc surface and collecting plate logical
Road, the sector channel part is exhaust steam passage, a part loads energy storage material and forms fan-shaped phase-change accumulation energy storehouse, and waste gas
Passage and fan-shaped phase-change accumulation energy storehouse are arranged alternately.
Further：Along the radial direction of energy storage supporter, it is additionally provided with the outside of each exhaust steam passage for loading
Second phase-change accumulation energy storehouse of energy storage material, the second phase-change accumulation energy storehouse and fan-shaped phase-change accumulation energy storehouse are ganged up successively.Each energy storage
Mutually ganged up between storehouse, Temperature Distribution can be made evenly.
Preferably, the energy storage material is inorganic salts composite phase-change energy storage material.Inorganic salts high temperature composite phase-change material is filled out
Full of energy storage storehouse, the heat storage capacity of system can be increased, while providing infiltration for the high temperature composite phase change supporter of inorganic salt/ceramic-base
Inorganic salts high temperature composite phase-change material.
Preferably, the section of the energy storage supporter is polygon, and the outer surface of each side, which is provided with one, to be used to seal
The cell package groove of dress and fixed thermoelectric cell, the surface of the thermoelectric cell is provided with fin.
Further：Ceramic support piece that the thermoelectric cell is parallel to each other comprising two panels and positioned at two pieces of ceramic supports
P-type semiconductor and N-type semiconductor between piece, P-type semiconductor and N-type semiconductor are alternately arranged and are connected in series, one of pottery
Porcelain support chip is thermoelectric cell hot junction, and the thermoelectric cell hot junction is contacted with energy storage supporter；Another piece of ceramic support piece is temperature
Difference battery cold end, the thermoelectric cell cold end is connected with fin, and ceramic support piece, which is provided with, to be used to fix P-type semiconductor and N
The fixed groove of type semiconductor, is connected between P-type semiconductor and N-type semiconductor by baffle, and thermoelectric cell also includes drawing
End, the exit is linked with external circuit.
Preferably, the gap that the thermoelectric cell both sides are scribbled between heat conductive silica gel, two pieces of ceramic support pieces is filled with insulation
Insulation material.
Preferably, arc groove is equipped with the surface of the collecting plate both sides, the depth of arc groove is less than collecting plate
Arc groove in the half of thickness, and collecting plate both side surface is shifted to install.
Preferably, the material of the P-type semiconductor and N-type semiconductor is thermoelectric material, and the thermoelectric material is
AgSbTe2- GeTe solid solution.
Preferably, the temperature of the exhaust steam passage high temperature waste gas is 500-700 DEG C.
Thermoelectric cell both sides scribble heat conductive silica gel, and cell panel contact surface is heated evenly, and increases cell panel and Cooling and Heat Source
Capacity of heat transmission, make between the hot junction of thermoelectric cell and energy storage supporter and cold end and fin be in close contact.
High-temp waste gas passage is simultaneously directly in contact with thermal source.Collecting plate is connected composition closure with interior-outer two arc surfaces respectively
Passage.Sector channel is alternately arranged according to exhaust steam passage-sector phase-change accumulation energy storehouse, fan-shaped phase-change accumulation energy storehouse collecting plate directly with height
Warm exhaust gas contact.Have dislocation the circular groove 7 of setting in collecting plate both side surface, therefore the collecting plate is corrugated, is both increased
Add the contact area of thermal-arrest substrate and high-temp waste gas, in turn ensure that the intensity of housing.
Inorganic salt/ceramic-base high temperature composite phase change energy-storing supporter is combined for the inorganic salts of many empty ceramic base supporter infiltrations
Phase-change material skeleton, due to capillary tension effect, is retained in matrix after inorganic salts fusing and does not flow out.Inorganic salts/ceramics
Base high temperature composite phase change energy-storing supporter, both make use of the sensible heat energy storage of ceramic material, inorganic salts compound phase is taken full advantage of again
Become the high hidden heat energy storage of material, the energy efficient in high-temp waste gas is recycled.
Filled-type drill with ferrule ore deposit structure C oSb3 based compounds thermoelectric material, telluride may be selected in thermoelectric material in thermoelectric cell
Lead (PbTe) base high-temperature thermoelectric material (600 DEG C) etc..The thermal source of thermoelectric cell is provided by energy storage device, and low-temperature receiver is air.
The inorganic salts composite phase-change energy storage material that the present invention is used is high-temperature fusion salt phase-changing energy storage material：Ni/Li2CO3、
The high temperature composite phase change material such as Na2CO3, K2CO3, BaCO3, NaNO3, Na2SO4, compound prepare not is carried out according to different demands
Same composite phase-change energy storage material.Phase-change material is sealed in the second phase-change accumulation energy storehouse and fan-shaped phase-change accumulation energy storehouse.Inorganic salts/pottery
The inorganic salts of infiltration have part volatilization in the long-term work in high temperature environments of porcelain base composite phase-change energy storage material, ceramic capillary,
This drop can reduce the energy storage efficiency of composite.The inorganic salts phase transformation stored in second phase-change accumulation energy storehouse and fan-shaped phase-change accumulation energy storehouse
Material can be constantly for the inorganic salts phase-change material needed for ceramic base supporter provides infiltration.
The present invention passes through high-temperature phase-change energy storage material and thermo-electric generation skill using the temperature difference between high-temp waste gas and the external world
Art, electric energy is converted into by high-temp waste gas.When high-temp waste gas is by exhaust steam passage, collecting plate can absorb the heat in high-temp waste gas
Can, transfer heat to the composite phase-change material being encapsulated in energy storage storehouse and bring it about phase transformation progress accumulation of heat.Thermoelectric cell
Hot junction is by high-temperature tail gas heating and cold end formation thermo-electric generation.When thermal source is cut off with the reduction of temperature, heat-storing material can be sent out
Raw phase transformation, discharging the heat energy of its storage makes thermoelectric cell hot junction continue to produce thermo-electric generation with cold end.U-shaped connecting pipe device makes height
Warm used heat is preferably absorbed by energy storage device, is also convenient for assembly and disassembly.
The present invention have the advantages that it is efficient, stably, it is practical, convenient, can be widely used for hot industry waste gas, vehicle exhaust etc.
The recovery profit of used heat, the effective utilization rate for improving fuel reduces the discharge of pernicious gas.
It is the knot that multi-stage, efficient of the present invention couples high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device to illustrate Fig. 1
Structure schematic diagram；
Fig. 2 is the structural representation that energy storing and electricity generating monomer is interconnected；
Fig. 3 is the structural representation of energy storing and electricity generating monomer in Fig. 2；
Fig. 4 is the structural representation of energy storage supporter in Fig. 3；
Fig. 5 Fig. 4 cross section structure schematic diagram；
Fig. 6 is the structural representation of connecting tube；
Fig. 7 is the structural representation of thermoelectric cell.
Embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention is not limited solely to implement
Example.A kind of preparation method of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device, it is characterised in that including with
Lower step：
1), a number of heat sink, screw, insulation material, heat conductive silica gel, inorganic salts composite phase change energy-storing material are provided
Material, U-shaped connecting tube and thermoelectric cell；
2), preparation one can be sealed, porous, inorganic salt/ceramic base high temperature composite phase change energy-storing of convenient dismounting is supported
Body；The porous silicon carbide ceramic supporter with loose structure is prepared first；Inorganic salts composite phase-change energy storage material is warming up to
Melting completely, rapidly by the porous silicon carbide ceramic
In the energy storage material of supporter immersion melting, the inorganic salts phase-changing energy storage material of molten state has well to porous ceramics
Wettability, and due to capillary tension effect molten salt can spontaneous infiltration into porous silicon carbide ceramic body, one
Part energy storage material is encapsulated in the phase-change accumulation energy storehouse of energy storage supporter；After cooling, the salt on surface is removed, porous nothing is obtained
Machine salt/ceramic base high temperature composite phase change energy-storing supporter；
1), thermoelectric cell is embedded in the cell package groove of energy storage support body case, heat conduction is coated in thermoelectric cell both sides
Silica gel, insulating heat insulating material is filled between thermoelectric cell and energy storage supporter gap, sealed thermoelectric cell with heat sink and screw,
And be fixed in the cell package groove of energy storage supporter, each screw pretightning force is equal, keeps thermoelectric cell surface heat exchanging
Uniformly；
2), there is connection boss, connection boss is provided with supporter connecting screw hole, U-shaped connecting tube on energy storage supporter
There are corresponding boss and connecting tube connecting screw hole, the energy storage for being packaged with thermoelectric cell is supported by body phase by U-shaped connecting tube
Connect, large power generating equipment is concatenated into two dimension either three dimensions according to required specification or directly generated electricity single
Equipment is connected between the ternary catalyzing unit of automobile and automobile exhaust pipe.
Further, the preparation process of the porous silicon carbide ceramic supporter is：By carborundum powder, pore creating material, binding agent
Deng ball milling sieving batch mixing, drying extrusion forming；It is sintered in atmospheric air electric furnace, sintering temperature is 1000-1200 DEG C, sunlight
Sinter molding afterwards
Grinding tool is the high temperature composite phase change supporter of porous ceramic matrix.Preferably：The inorganic salts composite phase-change energy storage material
For any one in (Li 2/Na2) CO3, Ni/Li 2CO3, Na 2CO3, K2CO3, BaCO3, NaNO3, Na2SO4.It is preferred that
Ground：The composite phase-change temperature of the inorganic salts composite phase-change energy storage material be 500-600 DEG C, preferably 550 DEG C or so, wherein
(Li 2/Na2) CO3 phase transition temperatures are 500 DEG C.
Preferably：The heating-up temperature of inorganic salts composite phase-change energy storage material is 700 DEG C during infiltration, and the infiltration time is 60 points
Clock, has infiltrated and energy storage supporter is directly taken out into cooling out of electric furnace.
Preferably：The thermoelectric material is AgSbTe2(i.e. TAGS alloys, exist-GeTe solid solution for hot junction sunlight high-temperature
Between 300 DEG C to 700 DEG C), in practical application, the size and used thermoelectricity material of thermoelectric cell can be selected as needed
Material.
As shown in Fig. 1-Fig. 7, high temperature sensible heat-latent heat phase transformation is coupled by multi-stage, efficient made from preparation method of the present invention and stored up
Energy temperature difference electricity generation device, is concatenated in two dimension or three dimensions by connecting tube 16 by a plurality of energy storing and electricity generating monomers 4 and formed,
The connecting tube 16 is U-tube.The both ends of energy storage bill monomer 4 are provided with connection boss 27, and connection boss 27 is provided with support
Body connecting screw hole 15, the end of connecting tube is provided with connecting tube connecting screw hole 17, and connecting tube connecting screw hole 17 is connected spiral shell with supporter
Hole 15 is corresponded, and U-shaped connecting tube is connected by screwing in the screw 18 in supporter connecting screw hole 15 with being connected boss 27.Energy storage
Generating monomer 4 by U-tube connector can carry out tandem multi-stage coupling according to required direction and quantity in two and three dimensions space
It is charge-coupled to dress up large-scale TRT.The energy storing and electricity generating monomer 4 is by energy storage supporter 1 and is packaged in outside the energy storage supporter 1
The mutual efficient coupling of thermoelectric cell 2 composition of side.Energy storage supporter 1 supports for inorganic salt/ceramic-base high temperature composite phase change energy-storing
Body, its outside has support body case 11, and the section of energy storage supporter 1 is polygon, and the present embodiment is regular hexagon.
Energy storage supporter 1 has inner arc surface 28 and exterior arc surface 29, between the inner arc surface 28 and exterior arc surface 29
Collecting plate 30 is connected with, inside energy storage supporter 1, is formd by inner arc surface 28, exterior arc surface 29 and collecting plate 30 some
The sector channel of individual closure, the sector channel part is exhaust steam passage 10, a part loads energy storage material 12 and forms sector
Phase-change accumulation energy storehouse 9, and exhaust steam passage 10 and fan-shaped phase-change accumulation energy storehouse 9 be arranged alternately.Along the radial direction side of energy storage supporter 1
To being additionally provided with the second phase-change accumulation energy storehouse 8 for loading energy storage material 12, described second in the outside of each exhaust steam passage 10
Phase-change accumulation energy storehouse 8 and fan-shaped phase-change accumulation energy storehouse 9 are ganged up successively by feed bin interface channel 14.The energy storage material 12 is inorganic salts
Composite phase-change energy storage material, phase transition temperature is 500-650 DEG C, and the present embodiment is Ni/Li 2CO3.The high temperature of exhaust steam passage 10 is given up
The temperature of gas is 500-700 DEG C.
The outer surface of each side of energy storage supporter 1 is provided with a battery for being used to encapsulate and fix thermoelectric cell 2 and sealed
Groove 5 is filled, cell package groove 5 is actually provided in support body case 11, and the surface of thermoelectric cell is provided with fin 3, dissipates
Thermoelectric cell 2 is sealed and is fixed in cell package groove 5 by screw 6 by backing 3.
Ceramic support piece that the thermoelectric cell 2 is parallel to each other comprising two panels and between two pieces of ceramic support pieces
P-type semiconductor 22 and N-type semiconductor 21, P-type semiconductor 22 and N-type semiconductor 21 are alternately arranged and are connected in series, one of
Ceramic support piece is thermoelectric cell hot junction 19, and the thermoelectric cell hot junction 19 is contacted with energy storage supporter 1；Another piece of ceramic support
Piece is thermoelectric cell cold end 25, and the thermoelectric cell cold end 25 is connected with fin 3, and ceramic support piece, which is provided with, to be used to fix P
The fixed groove 24 of type semiconductor 22 and N-type semiconductor 21, passes through baffle 20 between P-type semiconductor 22 and N-type semiconductor 21
Connection, thermoelectric cell 2 also includes exit 23, and exit 23 is linked with external circuit.
The both sides of thermoelectric cell 2 scribble heat conductive silica gel, and cell panel contact surface is heated evenly, and increase cell panel and Cooling and Heat Source
Capacity of heat transmission, the hot junction and energy storage supporter 1, cold end and fin 3 for making thermoelectric cell 2 is in close contact.Two pieces of ceramic supports
Gap between piece is filled with insulating heat insulating material, improves heat insulation effect, it is to avoid heat scatters and disappears.
Arc groove 7 is equipped with the surface of the both sides of collecting plate 30, the depth of arc groove is less than thermal-arrest plate thickness
Half, and arc groove 7 in the both side surface of collecting plate 30 shifts to install.In the present embodiment, the depth of arc groove,
I.e. radius is just the half of thermal-arrest plate thickness, therefore the arc groove of both sides must shift to install.
Filled-type drill with ferrule ore deposit structure C oSb3 based compounds thermoelectric material, telluride may be selected in thermoelectric material in thermoelectric cell
Lead (PbTe) base high-temperature thermoelectric material (600 DEG C) etc..The thermal source of thermoelectric cell is provided by energy storage device, and low-temperature receiver is air.At this
In embodiment, the thermoelectric material that P-type semiconductor 22 and N-type semiconductor 21 are used is AgSbTe2- GeTe solid solution.
It should be noted that after sunlight：Above example only not limits technology described in the invention to illustrate the present invention
Scheme, therefore, although this specification with reference to each above-mentioned embodiment to present invention has been detailed description, this
Field it is to be appreciated by one skilled in the art that still can be modified to the present invention or equivalent substitution, and all do not depart from this
The technical scheme of the spirit and scope of invention and its improvement, it all should cover in scope of the presently claimed invention.
Claims (5)
1. a kind of preparation method of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device, it is characterised in that including
Following steps：
1), a number of heat sink is provided, it is screw, insulation material, heat conductive silica gel, inorganic salts composite phase-change energy storage material, U-shaped
Connecting tube and thermoelectric cell；
2) a porous, inorganic salt/ceramic base high temperature composite phase change energy-storing supporter that can be sealed, conveniently dismantle, is prepared；
The porous silicon carbide ceramic supporter with loose structure is prepared first；Inorganic salts composite phase-change energy storage material is warming up to
Melting completely, rapidly by the porous silicon carbide ceramic
In the energy storage material of supporter immersion melting, the inorganic salts phase-changing energy storage material of molten state has good profit to porous ceramics
Wet performance, and because the effect molten salt meeting spontaneous infiltration of capillary tension is into porous silicon carbide ceramic body, a part
Energy storage material is encapsulated in the phase-change accumulation energy storehouse of energy storage supporter；After cooling, the salt on surface is removed, porous, inorganic is obtained
Salt/ceramic base high temperature composite phase change energy-storing supporter；
3), thermoelectric cell is embedded in the cell package groove of energy storage support body case, heat conductive silica gel is coated in thermoelectric cell both sides,
Insulating heat insulating material is filled between thermoelectric cell and energy storage supporter gap, thermoelectric cell is sealed and consolidated with heat sink and screw
Due in the cell package groove of energy storage supporter, each screw pretightning force is equal, keeps thermoelectric cell surface heat exchanging uniform；
4), on energy storage supporter have connection boss, connection boss be provided with supporter connecting screw hole, U-shaped connecting tube also have with
Corresponding boss and connecting tube connecting screw hole, the energy storage supporter for being packaged with thermoelectric cell is mutually interconnected by U-shaped connecting tube
Connect, large power generating equipment is concatenated into or directly by single power generating equipment in two dimension either three dimensions according to required specification
It is connected between the ternary catalyzing unit of automobile and automobile exhaust pipe.
2. the preparation method of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device according to claim 1,
Characterized in that, the preparation process of the porous silicon carbide ceramic supporter is：
By the ball millings such as carborundum powder, pore creating material, binding agent sieving batch mixing, drying extrusion forming；
It is sintered in atmospheric air electric furnace, sintering temperature is 1000-1200 DEG C, the grinding tool of last sinter molding is porous pottery
The high temperature composite phase change supporter of porcelain base.
3. the preparation method of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device according to claim 1,
It is characterized in that：The inorganic salts composite phase-change energy storage material is (Li2/Na2)CO3、Ni/Li2CO3、Na2CO3、K2CO3、
BaCO3、NaNO3、Na2SO4In any one.
4. the preparation method of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device according to claim 3,
It is characterized in that：The composite phase-change temperature of the inorganic salts composite phase-change energy storage material is 500-600 DEG C.
5. the preparation method of multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device according to claim 1,
It is characterized in that：The heating-up temperature of inorganic salts composite phase-change energy storage material is 700 DEG C during infiltration, and the infiltration time is 60 minutes, leaching
Ooze and energy storage supporter is directly taken out into cooling out of electric furnace.
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| CN110454260A (en) * | 2019-07-19 | 2019-11-15 | 中国矿业大学 | A kind of accumulation energy type hybrid vehicle energy regenerating and denoising device |
| CN112521158B (en) * | 2020-11-27 | 2021-12-21 | 南京航空航天大学 | Bone-like hierarchical pore ceramic-based photothermal storage material and preparation method thereof |
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| CN1803965A (en) * | 2005-12-15 | 2006-07-19 | 广东工业大学 | Process for preparing organic salt/ceramic base high temperature phase-changing energy-storing material |
| US8646261B2 (en) * | 2010-09-29 | 2014-02-11 | GM Global Technology Operations LLC | Thermoelectric generators incorporating phase-change materials for waste heat recovery from engine exhaust |
| CN102208885A (en) * | 2011-05-03 | 2011-10-05 | 吉林大学 | Phase change heat exchanger thermoelectric generation device |
| CN102888209A (en) * | 2012-09-21 | 2013-01-23 | 中国科学院过程工程研究所 | Medium-high temperature composite structural heat storage material, preparation method and application thereof |
| CN104022689A (en) * | 2014-06-20 | 2014-09-03 | 中国地质大学（武汉） | Solar phase-change energy storage thermoelectric power generation device and lighting system |
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