CN105577034A - Manufacturing method of multi-stage coupled high-temperature sensible heat-latent phase change energy storage temperature difference power generation device - Google Patents
Manufacturing method of multi-stage coupled high-temperature sensible heat-latent phase change energy storage temperature difference power generation device Download PDFInfo
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- CN105577034A CN105577034A CN201610167511.1A CN201610167511A CN105577034A CN 105577034 A CN105577034 A CN 105577034A CN 201610167511 A CN201610167511 A CN 201610167511A CN 105577034 A CN105577034 A CN 105577034A
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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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- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
- C09K5/12—Molten materials, i.e. materials solid at room temperature, e.g. metals or salts
Abstract
The invention discloses a manufacturing method of a multi-stage coupled high-temperature sensible heat-latent phase change energy storage temperature difference power generation device. The method comprises the following steps of sintering and molding a porous ceramic-matrix high-temperature composite phase change support body; heating an inorganic-salt composite phase change energy storage material till that the material is completely fused; immersing the support body into the fused energy storage material; packaging one part of the energy storage material into a phase change energy storage warehouse of the energy storage support body; cooling and then removing salt on a surface to acquire a porous inorganic salt/ceramic-matrix high-temperature composite phase change energy storage support body; embedding a thermoelectric cell into a cell packaging groove of an energy storage support body shell; coating heat conduction silica gel on two sides of the thermoelectric cell; and filling an insulation heat preservation material in a gap between the thermoelectric cell and the energy storage support body. The manufactured power generation device can high-efficiently recycle waste heat in high temperature exhaust gases (a boiler exhaust gas and automobile exhaust) to generate power so that a utilization rate of a fuel is increased and a discharge amount of harmful gases is reduced. The method can be widely used for recycling the waste heat of a high-temperature industrial exhaust gas, the automobile exhaust and the like.
Description
Technical field
The present invention relates to a kind of is the generation technology of electric energy by the thermal energy of high-temp waste gas (boiler vapour, vehicle exhaust etc.), 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 three global large crises: energy shortage, environmental pollution and ecological disruption; particularly along with Global Auto recoverable amount increases year by year, make transportation become major power consumer, energy resource consumption total amount accounts for about 10% of whole society's energy resource consumption total amount.Along with the development of urbanization, energy demand will grow with each passing day.How improving energy utilization rate, tapping a new source of energy will be the theme in the 21 century whole world.Thermoelectric generation utilizes Seebeck (SeeBeck) effect, and heat energy is directly changed into electric energy, has structure simple, Maintenance free, movement-less part, the remarkable advantages such as environmental friendliness.Owing to being subject to the restriction of material behavior, the generating efficiency of thermoelectric cell is lower.The new and effective energy utilizes Blast Furnace Top Gas Recovery Turbine Unit (TRT) to be improve the main method of generating efficiency.Phase-change energy-storage composite material is a kind of hot functional composite material, energy can be stored in its body with the form of latent heat of phase change, realizes the conversion of energy between different space-time position.Phase-change material also becomes the external using energy source of recent year and material science aspect developing studies very active field.Inorganic salt/ceramic-base composite heat storage material belongs to the how empty dielectric material of caking property, has important effect in energy field.Progress of Salt/Ceramic Composite Energy Storage Materials is provided fundamental basis in the application of industrial storage heater.Utilize the latent heat of phase change of phase-change material to realize storage and the utilization of energy, contribute to improving efficiency and exploitation regenerative resource.By the efficient coupling of inorganic salts ceramic base composite phase-change energy storage material and thermoelectric cell, 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.
Summary of the invention
The object of the invention is to make up the deficiencies in the prior art, a kind of multi-stage, efficient coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device of new structure is provided, the waste heat that this system can be recycled in high-temp waste gas (boiler waste gas, vehicle exhaust) efficiently generates electricity, improve the utilance of fuel, and reduce the exhaust method of pernicious gas.
In order to reach object of the present invention, technical scheme is as follows:
A preparation method for multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device, is characterized in that, comprise the following steps:
1), the heating panel of some, screw, insulation material, heat conductive silica gel, inorganic salts composite phase-change energy storage material, U-shaped tube connector and thermoelectric cell are provided;
2), prepare one can seal, porous, inorganic for convenience detach salt/ceramic base high temperature composite phase change energy-storing supporter;
First preparation has the porous silicon carbide ceramic supporter of loose structure;
Inorganic salts composite phase-change energy storage material is warming up to complete melting, rapidly described porous silicon carbide ceramic supporter is immersed in the energy storage material of melting, the inorganic salts phase-changing energy storage material of molten state has good wettability to porous ceramic, and because the effect molten salt meeting spontaneous infiltration of capillary tension is in 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, obtain porous, inorganic salt/ceramic base high temperature composite phase change energy-storing supporter;
3), thermoelectric cell is embedded in the cell package groove of energy storage supporter shell, 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, with heating panel and screw thermoelectric cell sealed and be fixed in the cell package groove of energy storage supporter, each screw pretightning force is equal, keeps thermoelectric cell surface heat exchanging even;
4), energy storage supporter has connection boss, connect boss and be provided with supporter connecting screw hole, U-shaped tube connector also has boss corresponding with it and tube connector connecting screw hole, by U-shaped tube connector, the energy storage supporter being packaged with thermoelectric cell is interconnected, in two dimension or three dimensions, be concatenated into large power generating equipment according to required specification, or directly single power generating equipment be connected between the ternary catalyzing unit of automobile and automobile exhaust pipe.
Further, the preparation process of described porous silicon carbide ceramic supporter is:
Sieve ball millings such as carborundum powder, pore creating material, binding agents batch mixing, dries extrusion forming;
Sinter in atmospheric air electric furnace, sintering temperature is 1000-1200 DEG C, and the grinding tool of last sinter molding is porous ceramic matrix height temperature composite phase change supporter.
Preferably: described inorganic salts composite phase-change energy storage material is (Li
2/ Na
2) CO
3, Ni/Li
2cO
3, Na
2cO
3, K
2cO
3, BaCO
3, NaNO
3, Na
2sO
4in any one.
Preferably: the composite phase-change temperature of described inorganic salts composite phase-change energy storage material is 500-600 DEG C.
Preferably: during infiltration, the heating-up temperature of inorganic salts composite phase-change energy storage material is 700 DEG C, and the infiltration time is 60 minutes, infiltrated and directly energy storage supporter has been taken out cooling in 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 characterized in that: be connected in series and form by tube connector in two dimension or three dimensions by a plurality of energy storing and electricity generating monomer, described energy storing and electricity generating monomer is made up of energy storage supporter and the mutual efficient coupling of thermoelectric cell be packaged in outside described energy storage supporter.Energy storing and electricity generating monomer can carry out tandem multi-stage coupling systems according to required direction and quantity by U-tube connector and dress up large-scale Blast Furnace Top Gas Recovery Turbine Unit (TRT) in two and three dimensions space.Energy storage supporter is inorganic salt/ceramic-base high temperature composite phase change energy-storing supporter.
Further: described energy storage supporter has inner arc surface and exterior arc surface, collecting plate is connected with between described inner arc surface and exterior arc surface, inner at energy storage supporter, several sector channels are defined by inner arc surface, exterior arc surface and collecting plate, a described sector channel part is exhaust steam passage, a part is loaded energy storage material and formed fan-shaped phase-change accumulation energy storehouse, and exhaust steam passage and fan-shaped phase-change accumulation energy storehouse are arranged alternately.
Further: along the radial direction of energy storage supporter, be also provided with the second phase-change accumulation energy storehouse for loading energy storage material in the outside of each exhaust steam passage, described second phase-change accumulation energy storehouse and fan-shaped phase-change accumulation energy storehouse are ganged up successively.Mutually gang up between each energy storage storehouse, can Temperature Distribution be made evenly.
Preferably, described energy storage material is inorganic salts composite phase-change energy storage material.Inorganic salts high temperature composite phase-change material fills full energy storage storehouse, can increase the heat storage capacity of system, simultaneously for inorganic salt/ceramic-base height temperature composite phase change supporter provides the inorganic salts high temperature composite phase-change material of infiltration.
Preferably, the cross section of described energy storage supporter is polygon, and the outer surface of each side is provided with one for encapsulating and the cell package groove of fixing thermoelectric cell, and the surface of described thermoelectric cell is provided with fin.
Further: described thermoelectric cell comprises ceramic support sheet that two panels is parallel to each other and the P type semiconductor between two pieces of ceramic support sheets and N type semiconductor, P type semiconductor and N type semiconductor are alternately arranged and are connected in series, wherein one piece of ceramic support sheet is thermoelectric cell hot junction, and described thermoelectric cell hot junction contacts with energy storage supporter; Another block ceramic support sheet is thermoelectric cell cold junction, described thermoelectric cell cold junction is connected with fin, ceramic support sheet is provided with the fixed groove for fixing P type semiconductor and N type semiconductor, connected by baffle between P type semiconductor and N type semiconductor, thermoelectric cell also comprises exit, and described exit and external circuit are linked.
Preferably, described thermoelectric cell both sides scribble heat conductive silica gel, and the gap between two pieces of ceramic support sheets is filled with insulating heat insulating material.
Preferably, the surface of described collecting plate both sides is equipped with arc groove, the degree of depth of arc groove is less than the half of collecting plate thickness, and the arc groove in collecting plate both side surface shifts to install.
Preferably, the material of described P type semiconductor and N type semiconductor is thermoelectric material, and described thermoelectric material is AgSbTe2-GeTe solid solution.
Preferably, in described exhaust steam passage, the temperature of high-temp waste gas is 500-700 DEG C.
Thermoelectric cell both sides all scribble heat conductive silica gel, and cell panel contact-making surface is heated evenly, and increase the capacity of heat transmission of cell panel and Cooling and Heat Source, make the hot junction of thermoelectric cell and energy storage supporter and close contact between cold junction and fin.
High-temp waste gas passage also directly contacts with thermal source.Collecting plate connects to form close passage with interior-outer two arc surfaces respectively.Sector channel is alternately arranged according to exhaust steam passage-fan-shaped phase-change accumulation energy storehouse, and fan-shaped phase-change accumulation energy storehouse collecting plate directly contacts with high-temp waste gas.Collecting plate both side surface has dislocation the circular groove 7 of setting, therefore described collecting plate is corrugated, has both added 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 the inorganic salts composite phase-change material skeleton of how empty ceramic base supporter infiltration, due to capillary tension effect, is retained in matrix and does not flow out after inorganic salts fusing.Inorganic salt/ceramic-base high temperature composite phase change energy-storing supporter, both make use of the sensible heat energy storage of ceramic material, took full advantage of again the high hidden heat energy storage of inorganic salts composite phase-change material, was recycled by the energy efficient in high-temp waste gas.
Thermoelectric material in thermoelectric cell can select filled-type drill with ferrule ore deposit structure C oSb3 based compound thermoelectric material, hoof 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 adopts is high-temperature fusion salt phase-changing energy storage material: the contour temperature composite phase change material of Ni/Li2CO3, Na2CO3, K2CO3, BaCO3, NaNO3, Na2SO4, carries out compound prepare different composite phase-changing energy storage material according to different demand.Phase-change material is sealed in the second phase-change accumulation energy storehouse and fan-shaped phase-change accumulation energy storehouse.The long-term work in high temperature environments of inorganic salt/ceramic-base composite phase-change energy storage material, in ceramic capillary, the inorganic salts of infiltration have part volatilization, and this falls the energy storage efficiency that can reduce composite material.The inorganic salts phase-change material stored in second phase-change accumulation energy storehouse and fan-shaped phase-change accumulation energy storehouse can constantly for ceramic base supporter provides the phase-change material of the inorganic salts needed for infiltration.
The present invention utilizes the temperature difference between high-temp waste gas and the external world, by high-temperature phase-change energy storage material and thermoelectric generation, high-temp waste gas is converted into electric energy.When high-temp waste gas is by exhaust steam passage, collecting plate can absorb the heat energy in high-temp waste gas, transfers heat to the composite phase-change material that is encapsulated in energy storage storehouse and makes it undergo phase transition and carry out accumulation of heat.The hot junction of thermoelectric cell forms thermo-electric generation by high-temperature tail gas heating with cold junction.When thermal source is cut off along with the reduction of temperature, heat-storing material can undergo phase transition, and discharges its heat energy stored and makes thermoelectric cell hot junction and cold junction continue to produce thermo-electric generation.U-shaped connecting pipe device makes high temperature waste hot better be absorbed by energy storage device, also ease of assembly dismounting.
The advantages such as the present invention has efficiently, stablize, practical, convenient, can be widely used in the recovery profit of the used heat such as hot industry waste gas, vehicle exhaust, the effective utilance improving fuel, reduce the discharge of pernicious gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of multi-stage, efficient of the present invention coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device;
Fig. 2 is the structural representation that energy storing and electricity generating monomer is connected to each other;
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;
The cross section structure schematic diagram of Fig. 5 Fig. 4;
Fig. 6 is the structural representation of tube connector;
Fig. 7 is the structural representation of thermoelectric cell.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not only confined to embodiment.
A preparation method for multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device, is characterized in that, comprise the following steps:
1), the heating panel of some, screw, insulation material, heat conductive silica gel, inorganic salts composite phase-change energy storage material, U-shaped tube connector and thermoelectric cell are provided;
2), prepare one can seal, porous, inorganic for convenience detach salt/ceramic base high temperature composite phase change energy-storing supporter;
First preparation has the porous silicon carbide ceramic supporter of loose structure;
Inorganic salts composite phase-change energy storage material is warming up to complete melting, rapidly described porous silicon carbide ceramic supporter is immersed in the energy storage material of melting, the inorganic salts phase-changing energy storage material of molten state has good wettability to porous ceramic, and because the effect molten salt meeting spontaneous infiltration of capillary tension is in 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, obtain porous, inorganic salt/ceramic base high temperature composite phase change energy-storing supporter;
3), thermoelectric cell is embedded in the cell package groove of energy storage supporter shell, 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, with heating panel and screw thermoelectric cell sealed and be fixed in the cell package groove of energy storage supporter, each screw pretightning force is equal, keeps thermoelectric cell surface heat exchanging even;
4), energy storage supporter has connection boss, connect boss and be provided with supporter connecting screw hole, U-shaped tube connector also has boss corresponding with it and tube connector connecting screw hole, by U-shaped tube connector, the energy storage supporter being packaged with thermoelectric cell is interconnected, in two dimension or three dimensions, be concatenated into large power generating equipment according to required specification, or directly single power generating equipment be connected between the ternary catalyzing unit of automobile and automobile exhaust pipe.
Further, the preparation process of described porous silicon carbide ceramic supporter is:
Sieve ball millings such as carborundum powder, pore creating material, binding agents batch mixing, dries extrusion forming;
Sinter in atmospheric air electric furnace, sintering temperature is 1000-1200 DEG C, and the grinding tool of last sinter molding is porous ceramic matrix height temperature composite phase change supporter.
Preferably: described inorganic salts composite phase-change energy storage material is (Li
2/ Na
2) CO
3, Ni/Li
2cO
3, Na
2cO
3, K
2cO
3, BaCO
3, NaNO
3, Na
2sO
4in any one.
Preferably: the composite phase-change temperature of described inorganic salts composite phase-change energy storage material is 500-600 DEG C, preferably about 550 DEG C, wherein (Li
2/ Na
2) CO
3phase transition temperature is 500 DEG C.
Preferably: during infiltration, the heating-up temperature of inorganic salts composite phase-change energy storage material is 700 DEG C, and the infiltration time is 60 minutes, infiltrated and directly energy storage supporter has been taken out cooling in electric furnace.
Preferably: described thermoelectric material is AgSbTe2-GeTe solid solution (i.e. TAGS alloy, for hot junction maximum temperature between 300 DEG C to 700 DEG C), in practical application, size thermoelectric cell can being selected as required and the thermoelectric material used.
As shown in Fig. 1-Fig. 7, the multi-stage, efficient coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device obtained by preparation method of the present invention, be connected in series and form by tube connector 16 in two dimension or three dimensions by a plurality of energy storing and electricity generating monomer 4, described tube connector 16 is U-tube.The both ends of energy storage bill monomer 4 are provided with and connect boss 27, connect boss 27 and be provided with supporter connecting screw hole 15, the end of tube connector is provided with tube connector connecting screw hole 17, tube connector connecting screw hole 17 and supporter connecting screw hole 15 one_to_one corresponding, U-shaped tube connector is by screwing in screw 18 in supporter connecting screw hole 15 and being connected boss 27 and connecting.Energy storing and electricity generating monomer 4 can carry out tandem multi-stage coupling systems according to required direction and quantity by U-tube connector and dress up large-scale Blast Furnace Top Gas Recovery Turbine Unit (TRT) in two and three dimensions space.Described energy storing and electricity generating monomer 4 is made up of energy storage supporter 1 and the mutual efficient coupling of thermoelectric cell 2 be packaged in outside described energy storage supporter 1.Energy storage supporter 1 is inorganic salt/ceramic-base high temperature composite phase change energy-storing supporter, has supporter shell 11 outside it, and energy storage supporter 1 cross section is polygon, and the present embodiment is regular hexagon.
Energy storage supporter 1 has inner arc surface 28 and exterior arc surface 29, collecting plate 30 is connected with between described inner arc surface 28 and exterior arc surface 29, inner at energy storage supporter 1, several closed sector channels are defined by inner arc surface 28, exterior arc surface 29 and collecting plate 30, a described sector channel part is exhaust steam passage 10, a part is loaded energy storage material 12 and formed fan-shaped phase-change accumulation energy storehouse 9, and exhaust steam passage 10 and fan-shaped phase-change accumulation energy storehouse 9 are arranged alternately.Along the radial direction of energy storage supporter 1, be also provided with the second phase-change accumulation energy storehouse 8 for loading energy storage material 12 in the outside of each exhaust steam passage 10, described second 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.Described energy storage material 12 is inorganic salts composite phase-change energy storage material, and phase transition temperature is 500-650 DEG C, and the present embodiment is Ni/Li
2cO
3.In exhaust steam passage 10, the temperature of high-temp waste gas is 500-700 DEG C.
The outer surface of each side of energy storage supporter 1 is provided with one for encapsulating and the cell package groove 5 of fixing thermoelectric cell 2, in fact cell package groove 5 is arranged on supporter shell 11, the surface of thermoelectric cell is provided with fin 3, and thermoelectric cell 2 to be sealed by screw 6 and is fixed in cell package groove 5 by fin 3.
Described thermoelectric cell 2 comprises ceramic support sheet that two panels is parallel to each other and the P type semiconductor 22 between two pieces of ceramic support sheets and N type semiconductor 21, P type semiconductor 22 and N type semiconductor 21 are alternately arranged and are connected in series, wherein one piece of ceramic support sheet is thermoelectric cell hot junction 19, and described thermoelectric cell hot junction 19 contacts with energy storage supporter 1; Another block ceramic support sheet is thermoelectric cell cold junction 25, described thermoelectric cell cold junction 25 is connected with fin 3, ceramic support sheet is provided with the fixed groove 24 for fixing P type semiconductor 22 and N type semiconductor 21, connected by baffle 20 between P type semiconductor 22 and N type semiconductor 21, thermoelectric cell 2 also comprises exit 23, and exit 23 and external circuit are linked.
Thermoelectric cell 2 both sides scribble heat conductive silica gel, and cell panel contact-making surface is heated evenly, and increase the capacity of heat transmission of cell panel and Cooling and Heat Source, make the hot junction of thermoelectric cell 2 and energy storage supporter 1, cold junction and fin 3 close contact.Gap between two pieces of ceramic support sheets is filled with insulating heat insulating material, improves heat insulation effect, avoids heat loss.
The surface of described collecting plate 30 both sides is equipped with arc groove 7, and the degree of depth of arc groove is less than the half of collecting plate thickness, and the arc groove 7 in collecting plate 30 both side surface shifts to install.In the present embodiment, the degree of depth of arc groove, i.e. radius are just the half of collecting plate thickness, and therefore the arc groove of both sides must shift to install.
Thermoelectric material in thermoelectric cell can select filled-type drill with ferrule ore deposit structure C oSb3 based compound thermoelectric material, hoof 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.In the present embodiment, the thermoelectric material that P type semiconductor 22 and N type semiconductor 21 adopt is AgSbTe2-GeTe solid solution.
Last it is noted that above embodiment only in order to illustrate the present invention and and unrestricted technical scheme described in the invention, therefore, although this specification with reference to each above-mentioned embodiment to present invention has been detailed description, but, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in right of the present invention.
Claims (6)
1. a preparation method for multistage coupling high temperature sensible heat-latent heat phase-change accumulation energy temperature difference electricity generation device, is characterized in that, comprise the following steps:
1), the heating panel of some, screw, insulation material, heat conductive silica gel, inorganic salts composite phase-change energy storage material, U-shaped tube connector and thermoelectric cell are provided;
2), prepare one can seal, porous, inorganic for convenience detach salt/ceramic base high temperature composite phase change energy-storing supporter;
First preparation has the porous silicon carbide ceramic supporter of loose structure;
Inorganic salts composite phase-change energy storage material is warming up to complete melting, rapidly described porous silicon carbide ceramic supporter is immersed in the energy storage material of melting, the inorganic salts phase-changing energy storage material of molten state has good wettability to porous ceramic, and because the effect molten salt meeting spontaneous infiltration of capillary tension is in 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, obtain porous, inorganic salt/ceramic base high temperature composite phase change energy-storing supporter;
3), thermoelectric cell is embedded in the cell package groove of energy storage supporter shell, 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, with heating panel and screw thermoelectric cell sealed and be fixed in the cell package groove of energy storage supporter, each screw pretightning force is equal, keeps thermoelectric cell surface heat exchanging even;
4), energy storage supporter has connection boss, connect boss and be provided with supporter connecting screw hole, U-shaped tube connector also has boss corresponding with it and tube connector connecting screw hole, by U-shaped tube connector, the energy storage supporter being packaged with thermoelectric cell is interconnected, in two dimension or three dimensions, be concatenated into large power generating equipment according to required specification, or directly single power generating equipment be 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, it is characterized in that, the preparation process of described porous silicon carbide ceramic supporter is:
Sieve ball millings such as carborundum powder, pore creating material, binding agents batch mixing, dries extrusion forming;
Sinter in atmospheric air electric furnace, sintering temperature is 1000-1200 DEG C, and the grinding tool of last sinter molding is porous ceramic matrix height temperature composite phase change supporter.
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, is characterized in that: described inorganic salts composite phase-change energy storage material is (Li
2/ Na
2) CO
3, Ni/Li
2cO
3, Na
2cO
3, K
2cO
3, BaCO
3, NaNO
3, Na
2sO
4in 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, is characterized in that: the composite phase-change temperature of described 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: during infiltration, the heating-up temperature of inorganic salts composite phase-change energy storage material is 700 DEG C, the infiltration time is 60 minutes, has infiltrated and directly energy storage supporter has been taken out cooling in electric furnace.
6. 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, is characterized in that: described thermoelectric material is AgSbTe2-GeTe solid solution.
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|---|---|---|---|---|
| CN107588673A (en) * | 2017-09-21 | 2018-01-16 | 江苏大学 | A kind of micro-combustion TRT with phase-change accumulation energy system |
| WO2021012392A1 (en) * | 2019-07-19 | 2021-01-28 | 中国矿业大学 | Energy-storage-type energy recovery and noise reduction device for hybrid electric vehicle |
| CN112521158A (en) * | 2020-11-27 | 2021-03-19 | 南京航空航天大学 | Bone-like hierarchical pore ceramic-based photothermal storage material and preparation method thereof |
| CN112592695A (en) * | 2020-11-27 | 2021-04-02 | 南京航空航天大学 | Shell-like structure bionic composite phase-change heat storage material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328107A (en) * | 2000-06-13 | 2001-12-26 | 广东工业大学 | Composite inorganic salt/ceramic-base heat-accumulating material and its preparing process |
| 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 |
| CN102208885A (en) * | 2011-05-03 | 2011-10-05 | 吉林大学 | Phase change heat exchanger thermoelectric generation device |
| US20120073276A1 (en) * | 2010-09-29 | 2012-03-29 | Gm Global Technology Operations, Inc. | Thermoelectric generators incorporating phase-change materials for waste heat recovery from engine exhaust |
| 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 |
-
2016
- 2016-03-23 CN CN201610167511.1A patent/CN105577034B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328107A (en) * | 2000-06-13 | 2001-12-26 | 广东工业大学 | Composite inorganic salt/ceramic-base heat-accumulating material and its preparing process |
| 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 |
| US20120073276A1 (en) * | 2010-09-29 | 2012-03-29 | Gm Global Technology Operations, Inc. | Thermoelectric generators incorporating phase-change materials for waste heat recovery from engine exhaust |
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