WO2015005085A1 - 化学蓄熱装置 - Google Patents

化学蓄熱装置 Download PDF

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Publication number
WO2015005085A1
WO2015005085A1 PCT/JP2014/066244 JP2014066244W WO2015005085A1 WO 2015005085 A1 WO2015005085 A1 WO 2015005085A1 JP 2014066244 W JP2014066244 W JP 2014066244W WO 2015005085 A1 WO2015005085 A1 WO 2015005085A1
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WO
WIPO (PCT)
Prior art keywords
heat storage
heat
reaction container
storage material
storage device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/066244
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English (en)
French (fr)
Japanese (ja)
Inventor
佑介 江端
修 坪内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Priority to EP14822535.2A priority Critical patent/EP3006883B1/en
Priority to CN201480039007.2A priority patent/CN105378419B/zh
Priority to US14/903,895 priority patent/US9869518B2/en
Publication of WO2015005085A1 publication Critical patent/WO2015005085A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D11/00—Heat-exchange apparatus employing moving conduits
    • F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using kinetic energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/003—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using thermochemical reactions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/16—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
    • F28F1/18—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion the element being built-up from finned sections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/02—Rotary drums or rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/10—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat accumulator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/12—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a thermal reactor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2290/00—Movable parts or members in exhaust systems for other than for control purposes
    • F01N2290/02—Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement
    • F01N2290/04—Movable parts or members in exhaust systems for other than for control purposes with continuous rotary movement driven by exhaust gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to a chemical heat storage device.
  • a reactor containing solid particles (heat storage material) reacting with water vapor and a reactor connected via a reaction gas conduit and containing water condensed with water vapor
  • a chemical heat storage type heat pump (chemical heat storage device) including a condenser, a pair of heat medium flow paths provided around the reactor and the evaporation condenser and through which a heat medium flows, and a rotary shaft drive unit.
  • solid particles in the reactor are made to flow (stir) by rotating the reactor, the evaporation condenser and the reaction gas conduit around the rotation axis by the driving force of the rotation shaft drive unit. Is configured.
  • the present invention has been made to solve the problems as described above, and one object of the present invention is to move a reaction container without using a drive unit for moving the reaction container, and to store the heat storage material.
  • the present invention is to provide a chemical heat storage device capable of performing stirring.
  • a chemical heat storage device comprises a reaction vessel containing a heat storage material, and a heat exchange flow provided so that a heat exchange fluid flows along the outer surface of the reaction vessel. And the reaction vessel is moved by the flow force of the heat exchange fluid to stir the heat storage material.
  • the reaction container is moved by the flow force of the heat exchange fluid and the heat storage material is agitated to move the reaction container. Even if it does not provide, the reaction container can be moved by the flow force of a heat exchange fluid, and stirring of a thermal storage material can be performed. As a result, since it is not necessary to provide a drive part, the number of parts can be reduced and the device configuration can be simplified, and the chemical heat storage device can be miniaturized.
  • the driving unit for moving the reaction container is provided as an auxiliary, it is not necessary to supply all the driving force for moving the reaction container from the driving unit, so the driving unit is driven. Power consumption can be reduced. In particular, when the chemical heat storage device of the present invention is mounted on a vehicle where reduction of power consumption is strongly required, the point that power consumption of the drive unit can be reduced is a significant effect.
  • the transfer between the heat exchange fluid flowing along the outer surface of the reaction container and the reaction container is more efficient than the case where the reaction container does not move due to the movement of the reaction container. Thermality can be improved.
  • by stirring the heat storage material it is possible to improve the heat transfer between the heat storage material and the reaction vessel, as compared to the case where the heat storage material is stationary.
  • the heat storage material can be reliably suppressed from coagulating and solidifying, the reduction of the heat storage material contributing to heat storage or heat radiation can be suppressed. By these, while being able to make it thermally store in a thermal storage material efficiently and rapidly, it can be made to thermally radiate from a thermal storage material.
  • the heat exchange fluid is a high temperature heat exchange fluid
  • the reaction container is moved by the flow force of the high temperature heat exchange fluid to stir the heat storage material.
  • the heat storage material can be agitated by moving the reaction container by the flow force of the high-temperature heat exchange fluid at the time of heat storage.
  • the reaction container is rotated by the flow force of the heat exchange fluid so that the heat storage material is agitated.
  • the heat storage material in the reaction container can be more uniformly stirred as compared with the case where the reaction container slides.
  • the heat storage material can be reliably suppressed from coagulating and solidifying, and therefore, it is possible to suppress the reduction of the heat storage material contributing to heat storage or heat radiation.
  • heat can be stored in the heat storage material more efficiently and more quickly, and heat can be dissipated from the heat storage material.
  • the chemical heat storage device further comprises a cover member including an inlet and an outlet for the heat exchange fluid and covering the reaction vessel, wherein the inlet and the outlet of the cover member react in the cover member.
  • the containers are disposed on opposite sides with respect to the position at which the container is disposed.
  • the heat exchange fluid can be made to flow in through the inlet disposed on one side of the cover member and can be made to flow out from the outlet disposed on the opposite side to the inlet.
  • the length of the heat exchange channel inside the cover member can be sufficiently secured.
  • the flow force of the heat exchange fluid can be sufficiently exerted on the outer surface of the reaction container, so that the reaction container can be effectively moved to stir the heat storage material.
  • fins are provided on the outer surface of the reaction vessel for promoting heat transfer, and in the heat exchange flow passage, the heat exchange fluid is in contact with the fins It is configured to flow.
  • the fins provided on the outer surface of the reaction vessel for promoting heat transfer can also be used to obtain flowability from the heat exchange fluid, so heat exchange is performed separately from the fins. It is not necessary to provide the reaction vessel with a member for obtaining flow force from the fluid. Thereby, the structure of the reaction container can be simplified.
  • the heat conductivity in the reaction vessel can be further improved by the fins for promoting heat transfer, heat can be stored in the heat storage material more efficiently and more quickly, and the heat is dissipated from the heat storage material. be able to.
  • the reaction container is divided into a plurality of reaction container portions, and fins are provided on the outer surfaces of each of the plurality of reaction container portions.
  • the adjacent reaction container parts are connected by fins.
  • the contact area (heat transfer area) between the reaction container and the heat exchange fluid can be increased by dividing the reaction container into a plurality of reaction container parts. It can be improved more.
  • the fins also play a role of a reinforcing member, so that the strength of the reaction container composed of a plurality of divided reaction container parts can be improved.
  • the fins having a large length for the distance between the reaction container parts are provided, the surface area of the fins can be increased. As a result, the heat conductivity in the reaction container can be further improved.
  • the reaction container is configured to be rotated and agitation of the heat storage material is performed by the flow force of the heat exchange fluid.
  • the outer thickness of each tapers to the outside in the radial direction of rotation, so that the width of the fin connecting adjacent reaction vessel parts is increased as the radius of rotation increases.
  • the area of the fins can be increased along with the increase of the rotation radius of the reaction container, so that the flow force of the heat exchange fluid is effectively applied to the part of the fins whose area is increased.
  • the entire reaction container consisting of the reaction container can be efficiently rotated.
  • a plurality of fins are arranged around the rotation center of the reaction vessel.
  • the reaction container can be rotated without causing the rotation unevenness. it can.
  • the heat conductivity around the rotation center in the reaction container can be isotropic, heat storage to the heat storage material and heat dissipation from the heat storage material can be efficiently performed.
  • the evaporation condenser is further configured to recover the water vapor released from the heat storage material by the dehydration reaction at the time of heat storage and to supply the water vapor that reacts with the heat storage material at the heat release to the heat storage material.
  • the evaporative condenser is configured to move with the reaction vessel. According to this structure, by moving the evaporative condenser, the water vapor can be attached to a wide range of the surface of the evaporative condenser at the time of heat storage, so that the water vapor can be recovered from the wide range.
  • the flow force of the heat exchange fluid causes the reaction vessel to be rotated and the evaporative condenser to be rotated as the reaction vessel is rotated.
  • the moving range of the evaporative condenser is made as small as possible as compared with the case where the evaporative condenser slides, and a wide range of the surface of the evaporative condenser at the time of heat storage Water vapor can be uniformly deposited on the surface, and water can be uniformly deposited on a wide range of the surface of the evaporative condenser during heat release. Thereby, the efficiency of recovery and supply of water vapor in the miniaturized chemical heat storage device can be easily improved.
  • the evaporation condenser further includes a steam pipe connecting the evaporation condenser and the reaction vessel, and the evaporation condenser has the steam pipe as a rotation shaft. It is configured to be rotated with the rotation of. According to this structure, the reaction container and the evaporation condenser can be easily rotated together with the steam pipe as a rotating shaft, so that the chemical heat storage device can be operated in a single mechanical operation system. it can.
  • the steam pipe includes a folded structure that suppresses splashing of droplets from the evaporation condenser during the hydration reaction.
  • the folded structure can suppress the supply of the droplets to the reaction container, so that the droplets can be prevented from being directly applied to the heat storage material.
  • the heat storage material can be suppressed from being aggregated and solidified due to the water droplets, it is possible to suppress the reduction of the heat storage material that contributes to heat storage or heat radiation.
  • a valve provided between the evaporative condenser and the reaction vessel to control the flow of water vapor between the evaporative condenser and the reaction vessel is further provided.
  • the valve can be closed to suppress the flow of water vapor except during heat storage and heat radiation, so that dehydration reaction or hydration reaction occurs in the heat storage material other than heat storage and heat radiation. Can be suppressed.
  • the reaction vessel is installed in a vehicle having an internal combustion engine, and after completion of warm-up operation of the internal combustion engine of the vehicle, a high temperature heat exchange fluid consisting of high temperature exhaust gas reacts
  • the heat storage material stores heat by flowing along the outer surface of the container, and before the completion of the warm-up operation of the internal combustion engine of the vehicle, the heat storage material dissipates heat to heat a predetermined part of the vehicle. ing.
  • low-temperature heat consisting of low-temperature exhaust gas before completion of warm-up operation and before passing through the catalyst by radiating heat to the heat storage material accumulated before the completion of warm-up operation of the internal combustion engine of the vehicle.
  • the exchange fluid is configured to be heated.
  • the low-temperature exhaust gas can be heated (heated) to be a high-temperature exhaust gas, and the catalyst can pass through the exhaust gas. Therefore, the purification action of the exhaust gas by the catalyst can be promoted.
  • a chemical heat storage device includes a reaction vessel containing a heat storage material, and a heat exchange flow provided so that the high temperature heat exchange fluid and the low temperature heat exchange fluid flow along the outer surface of the reaction vessel. And at least one of the high temperature heat exchange fluid and the low temperature heat exchange fluid, and a switching unit capable of switching the heat exchange fluid flowing through the heat exchange channel among the high temperature heat exchange fluid and the low temperature heat exchange fluid;
  • the reaction container is moved so as to stir the heat storage material.
  • the reaction container is moved by the flow force of at least one of the high temperature heat exchange fluid and the low temperature heat exchange fluid to stir the heat storage material, thereby moving the reaction container.
  • the reaction container can be moved by the flow force of at least one of the high temperature heat exchange fluid and the low temperature heat exchange fluid to stir the heat storage material.
  • the number of parts can be reduced and the device configuration can be simplified, and the entire chemical heat storage device can be miniaturized.
  • the driving unit for moving the reaction container is provided as an auxiliary, it is not necessary to supply all the driving force for moving the reaction container from the driving unit, so the driving unit is driven. Power consumption can be reduced.
  • the chemical heat storage device of the present invention is mounted on a vehicle where reduction of power consumption is strongly required, the point that power consumption of the drive unit can be reduced is a significant effect.
  • the high temperature heat exchange fluid and the low temperature heat exchange fluid flowing along the outer surface of the reaction container as compared with the case where the reaction container does not move by the movement of the reaction container.
  • the heat conductivity between the and the reaction vessel can be improved.
  • by stirring the heat storage material it is possible to improve the heat transfer between the heat storage material and the reaction vessel, as compared to the case where the heat storage material is stationary.
  • the heat storage material can be reliably suppressed from coagulating and solidifying, the reduction of the heat storage material contributing to heat storage or heat radiation can be suppressed.
  • the heat storage material stores heat from the high temperature heat exchange fluid by providing a switching unit capable of switching the heat exchange fluid flowing through the heat exchange flow channel among the high temperature heat exchange fluid and the low temperature heat exchange fluid; It can be easily switched to a state where the heat storage material releases heat to the low temperature heat exchange fluid.
  • the heat storage material can be stirred by moving the reaction container without providing the drive unit for moving the reaction container.
  • FIG. 5 is a cross-sectional view of the periphery of the reaction vessel along line 500-500 in FIG. 4; It is the enlarged front view which showed the reaction container of the chemical thermal storage apparatus by one Embodiment of this invention.
  • a chemical heat storage device 100 is configured to be mounted on a vehicle 110 such as a car having an engine 120, as shown in FIG. Further, the chemical heat storage device 100 is configured to store heat using the high temperature exhaust gas G discharged from the engine 120 and flowing through the inside of the exhaust pipe 130 after the warm-up operation is completed during normal traveling of the vehicle 110 or the like. It is done. Further, before completion of warm-up operation such as cold start of vehicle 110 or initial stage of travel, the stored heat is supplied to low temperature exhaust gas G discharged from engine 120 and circulating inside exhaust pipe 130 ( It is configured to dissipate heat. As a result, the warmed exhaust gas G is supplied to the heat exchanger 140 and the catalyst 150 disposed behind the chemical heat storage device 100.
  • Engine 120 is an example of the “internal combustion engine” in the present invention
  • exhaust gas G is an example of the “heat exchange fluid” in the present invention.
  • the high temperature exhaust gas G is an example of the "high temperature heat exchange fluid" in the present invention.
  • the heat exchanger 140 has a function of absorbing heat from the warmed exhaust gas G and supplying the heat to the heater core 160 and the battery 170, so that the heater core 160 and the battery 170 are heated. It is done.
  • the catalyst 150 also has a function of purifying the exhaust gas G. In the catalyst 150, the warmed exhaust gas G is purified more than the low temperature exhaust gas G.
  • the heater core 160 and the battery 170 are examples of the "predetermined portion (of the vehicle)" in the present invention.
  • the chemical heat storage device 100 is provided in the reaction vessel 1, the evaporation condenser 2, the steam pipe 3 connecting the reaction vessel 1 and the evaporation condenser 2, and the steam pipe 3.
  • the valve 4, the upper cover 5 covering the reaction vessel 1 from above (Z 1 side), and the lower cover 6 covering the reaction vessel 1 from below (Z 2 side) are provided.
  • the steam pipe 3 is provided on the pedestal 7 and rotatably supported (axially supported) by a pair of wall portions 7 a extending upward.
  • the reaction vessel 1 and the evaporation condenser 2 are configured to be rotatable together with the steam pipe 3 as a rotating shaft.
  • the reaction container 1 has a function of storing heat and releasing water vapor as a heat storage material 8 to be described later stores heat and stores heat due to dehydration reaction, and absorbs heat and heat radiation due to hydration reaction when releasing heat.
  • the reaction container 1 is formed of a metal (for example, a copper alloy, an aluminum alloy, a carbon steel, an alloy steel, etc.) excellent in thermal conductivity, and is thinned in order to further improve the thermal conductivity.
  • the evaporation condenser 2 has a function of recovering the water vapor released from the heat storage material 8 by the dehydration reaction at the time of heat storage and supplying the water vapor which reacts with the heat storage material 8 to the heat storage material 8 at the time of heat radiation. .
  • the specific structures of the reaction vessel 1 and the evaporation condenser 2 will be described later.
  • the upper cover 5 has an outlet 51 connected to the exhaust pipe 130a on the catalyst 150 side (Y2 side) as shown in FIG. 5, and the lower cover 6 is an exhaust pipe 130b on the engine 120 side (Y1 side) And an inlet 61 connected thereto.
  • a heat exchange flow path A is formed from the inlet 61 through the space formed by the inner surface 5a of the upper cover 5 and the inner surface 6a of the lower cover 6 to the outlet 51. ing. That is, the exhaust gas G introduced from the exhaust pipe 130 b on the engine 120 side flows through the heat exchange flow path A and is led out to the exhaust pipe 130 a on the catalyst 150 side.
  • the inlet 61 of the lower cover 6 and the outlet 51 of the upper cover 5 are disposed on the opposite sides with respect to the position at which the reaction container portion 11 is disposed. Specifically, the inlet 61 is disposed on the Z2 side with respect to the rotation center of the reaction container portion 11, and the outlet 51 is disposed on the Z1 side with respect to the rotation center of the reaction container portion 11. .
  • the upper cover 5 and the lower cover 6 are examples of the "cover member" in the present invention.
  • the upper cover 5 is provided with a pair of shaft contact portions 5 b on the X1 side and the X2 side.
  • the lower cover 6 is provided with a pair of shaft contact portions 6b on the X1 side and the X2 side, respectively.
  • the upper cover 5 and the lower cover 6 are fixed to each other by welding or the like in a state where the contact surfaces 5c and 6c on the Y1 side are in contact with each other.
  • the steam pipe 3 is formed to extend in the X direction as shown in FIGS. 3 and 4. Further, the steam pipe 3 has a pipe portion 31 disposed on the reaction container 1 side (X2 side) and a pipe portion 32 disposed on the evaporative condenser 2 side (X1 side). The X1 end of the pipe 31 and the X2 end of the pipe 32 are connected to each other through the valve 4. Further, the end on the X2 side of the piping portion 31 and the end on the X1 side of the piping portion 32 are sealed by lids 33 and 34 (see FIG. 7), respectively.
  • connection holes 31 a for connecting the heat storage material accommodation unit 11 a of the reaction container unit 11 described later and the inside of the steam piping 3 are formed at positions corresponding to the reaction container unit 11 of the piping unit 31. Water vapor flows between the heat storage material accommodation portion 11 a of the reaction container portion 11 and the inside of the steam pipe 3 through the connection hole 31 a.
  • the valve 4 is configured to control the flow of steam between the evaporative condenser 2 and the reaction vessel 1 by controlling the flow of steam between the inside of the pipe portion 31 and the inside of the pipe portion 32. ing.
  • steam is circulated between the evaporative condenser 2 and the reaction vessel 1 to store heat or release heat, while the valve 4 is closed. Since the flow of steam is not performed between the evaporative condenser 2 and the reaction vessel 1, heat storage and heat release are not performed.
  • a valve drive unit 4 a for opening and closing the valve 4 is provided below the valve 4 (Z2 side).
  • the reaction container 1 is divided into eight disk-shaped reaction container parts 11 as shown in FIG.
  • the eight reaction vessel sections 11 are arranged in eights along the extending X direction of the piping section 31.
  • the reaction vessel portion 11 has a shape in which the width in the X direction increases toward the center in the height direction (Z direction), and the inside is formed in a hollow shape. In other words, the outer thickness of each reaction container portion 11 in the X direction is tapered outward in the rotation radial direction.
  • a piping hole 11b into which the piping portion 31 is inserted is formed so as to penetrate in the X direction. Thereby, the reaction container part 11 is formed in ring shape seeing from the side (X1 side).
  • a plurality of heat storage materials 8 are accommodated in the hollow interior of the reaction container part 11, and function as a heat storage material accommodation part 11a.
  • a plurality of heat storage materials 8 are stored so as to occupy about 40% of the internal volume of the heat storage material storage unit 11a.
  • the heat storage material 8 is made of calcium oxide (CaO).
  • the heat storage material 8 (heat release material 8 capable of radiating heat) made of this calcium oxide undergoes hydration reaction with the water vapor supplied from the evaporation condenser 2 at the time of heat release, thereby producing calcium hydroxide (Ca (OH) 2 ). And is configured to emit heat.
  • the heat storage material 8 (heat storage material 8 capable of storing heat) made of calcium hydroxide releases water vapor by dehydration reaction during heat storage and absorbs heat (stores heat) to become calcium oxide. Is configured.
  • the heat storage material 8 is configured to perform chemical heat storage using a chemical reaction.
  • the heat storage material 8 is configured to store heat or release heat by coming into contact with the inner surface of the heat storage material accommodation portion 11 a of the reaction container portion 11.
  • the heat storage material 8 has a particle diameter of about several hundred ⁇ m.
  • the heat storage material 8 is illustrated larger than actual.
  • a blade portion 11c is formed on the inner surface of the heat storage material accommodation portion 11a.
  • a plurality of the blade portions 11 c are formed so as to extend radially from the center of the reaction container portion 11.
  • fins 12 are provided on the outer surface 11 d of each of the eight reaction container parts 11.
  • the fins 12 are formed integrally with the reaction vessel portion 11 and are constituted by eight (eight) fin portions 12 a extending from the vicinity of the central portion to the outside. Further, as shown in FIG. 5, the fins 12 are disposed in the heat exchange flow path A, and have a function of promoting heat transfer between the exhaust gas G and the outer surface 11 d of the reaction container portion 11.
  • the exhaust gas G flowing along the outer surface 11 d of the reaction container 11 flows while contacting the fins 12
  • the fins 12 are configured to generate a rotational driving force based on the flow force of the exhaust gas G.
  • the reaction container 1 (reaction container portion 11) is configured to be rotated in the rotational direction R. That is, the reaction container portion 11 is rotated by the flow force of the exhaust gas G at either the heat storage time or the heat release time, and the heat storage material 8 stored in the heat storage material storage unit 11a is stirred.
  • the reaction vessel 1 and the evaporation condenser 2 are connected via the steam pipe 3 so that the steam pipe 3 and the evaporation condenser are rotated with the rotation of the reaction vessel 1. 2 is also configured to rotate.
  • the fins 12 are formed between each of the eight reaction container portions 11 and extend in the X direction so as to connect the adjacent reaction container portions 11 with each other.
  • the width of the fins 12 (the width in the X direction of the fin portions 12a) connecting the adjacent reaction container portions 11 is configured to increase with the increase of the rotation radius. Therefore, the area of the fin portion 12 a increases with the increase of the rotation radius of the reaction container portion 11.
  • the outer surface 11d of the reaction container part 11 located on the X1 side end and the outer surface of the reaction container part 11 located on the X2 side of the X2 side The fin 12 is not provided in 11d.
  • the eight fin portions 12a of the fins 12 are provided in an inclined state with respect to a straight line extending radially from the center.
  • the fin portion 12a is inclined with respect to a straight line extending radially from the center such that the center side end portion of the fin portion 12a is located on the front side in the rotational direction R rather than the outer end portion. .
  • the flow force of the exhaust gas G introduced from the introduction port 61 disposed at the lower side (Z2 side) is easily transmitted to the fin portion 12a, so the flow force of the exhaust gas G is more efficiently converted into the rotational drive force. It is possible.
  • the center (steam piping 3) of the reaction vessel 1 is located above (Z1 side) the inlet 61 connected to the exhaust pipe 130b on the engine 120 side (Y1 side). Furthermore, the center of the reaction vessel 1 is located below (Z2 side) the outlet 51 connected to the exhaust pipe 130a on the catalyst 150 side (Y2 side).
  • the exhaust gas G introduced from the inlet 61 is blown to the lower part of the fin 12 and the exhaust gas G to which the rotational driving force is supplied to the upper part of the fin 12 is discharged from the outlet 51 .
  • the reaction container 1 is configured to be easily rotatable in the rotational direction R.
  • the evaporative condenser 2 is divided into three disk-like evaporative condensing parts 21 as shown in FIG.
  • the three evaporative condensers 21 are arranged in three along the extending X direction of the piping 32.
  • the evaporative condensation part 21 has a shape in which the width in the X direction increases toward the center in the height direction (Z direction) as in the reaction container part 11, and the inside is formed in a hollow shape It is done.
  • a piping hole 21a into which the piping portion 32 is inserted is formed so as to penetrate in the X direction. Thereby, the evaporation condensing part 21 is formed in ring shape seeing from the side (X1 side).
  • steam condensed is accommodated in the hollow inside of the evaporation condensation part 21, and it functions as the water storage part 21b.
  • the water storage portion 21 b has a function of supplying the water vapor as well as recovering the water vapor as the water 9.
  • connection hole 32 b is formed in the piping unit 32 and connects the inside of the piping unit 32 and the water storage unit 21 b of the evaporation and condensation unit 21.
  • the internal pipe 32 a is disposed at a position opposite to the piping holes 21 a of the three evaporative condensation sections 21 in the Z direction. Further, since the inner pipe 32a is disposed inside the pipe portion 32, a flow path 32d extending in the X direction is provided between the outer peripheral surface 132a of the inner pipe 32a and the inner peripheral surface 32c of the pipe portion 32. It is formed. The end of the inner pipe 32a on the X1 side is formed closer to the X2 side than the end of the piping portion 32 on the X1 side. As a result, a gap 32e is formed between the lid 34 disposed at the end of the piping portion 32 on the X1 side and the end of the inner pipe 32a on the X1 side.
  • the water vapor evaporated from the water storage portion 21b reaches the flow path 32d through the connection hole 32b, then flows in the flow path 32d along the X1 direction, and after being folded back through the gap 32e,
  • the internal pipe 32 a is configured to flow in the X2 direction to reach the valve 4. That is, the folded structure B is formed in the piping portion 32.
  • water droplets scattered from the water storage portion 21b are configured to be returned to the water storage portion 21b again after colliding with the outer peripheral surface 132a of the inner pipe 32a.
  • the heat storage material storage 11a of the reaction container 11 in the reaction container 1 and the water storage 21b of the evaporation condenser 21 in the evaporation condenser 2 are connected via the steam pipe 3, and the heat storage material is accommodated.
  • the space formed by the portion 11a, the water storage portion 21b, and the steam pipe 3 is sealed so as to prevent the inflow of external air (exhaust gas G or the like).
  • the space formed by the heat storage material accommodation unit 11a, the water accommodation unit 21b, and the steam piping 3 is decompressed, and the water 9 of the water accommodation unit 21b is easily evaporated when the valve 4 is opened. It is done.
  • the high-temperature exhaust gas G discharged from the engine 120 flows through the exhaust pipe 130b.
  • the high temperature exhaust gas G introduced from the introduction port 61 flows through the heat exchange channel A on the outer surface 11 d of the reaction container portion 11.
  • the heat from the high temperature exhaust gas G is transferred to the reaction container portion 11 through the outer surface 11 d of the reaction container portion 11 and the fins 12, and as a result, water oxidation from the heat storage material accommodation portion 11 a of the reaction container portion 11
  • the heat is transferred to the heat storage material 8 (heat storage material 8 capable of storing heat) made of calcium.
  • the valve 4 see FIG. 4
  • the water vapor generated by the dehydration reaction is saturated in the space formed by the piping portion 31 and the eight heat storage material accommodation portions 11a.
  • the dehydration reaction (heat storage) is not performed in the material 8.
  • the valve 4 when heat storage is performed, the valve 4 is opened. As a result, the water vapor can move to the evaporation condenser 2 (see FIG. 4) side, so that the heat storage material 8 made of calcium hydroxide can release the water vapor, and the dehydration reaction starts. As a result, the steam moves to the evaporation condenser 2 side, and the heat storage material 8 absorbs heat (stores heat). Thereby, heat storage is performed in the chemical heat storage device 100. In addition, the heat storage material 8 which consists of calcium hydroxide turns into a calcium oxide by dehydration reaction.
  • the high temperature exhaust gas G is introduced from the introduction port 61 and flows through the heat exchange flow path A, whereby the reaction vessel 1 (the reaction vessel portion 11) in which the fins 12 are formed is the steam pipe 3. Is rotated in the rotational direction R about the rotation axis. Thereby, the heat storage material 8 is stirred, and the dehydration reaction (heat storage) is performed more efficiently. Further, as shown in FIG. 4, the evaporation condenser 2 is also rotated with the rotation of the reaction vessel 1 so that water vapor adheres to a wide range of the surface of the water storage portion 21 b of the evaporation condensation portion 21 and is cooled It turns into water.
  • low temperature exhaust gas G discharged from the engine 120 flows through the exhaust pipe 130 b. Then, as shown in FIG. 5, the low temperature exhaust gas G introduced from the introduction port 61 flows through the heat exchange channel A on the outer surface 11 d of the reaction container portion 11. At this time, the low-temperature exhaust gas G cools the heat storage material accommodation portion 11a of the reaction vessel portion 11 via the outer surface 11d of the reaction vessel portion 11 and the fins 12 (heat is taken from the heat storage material accommodation portion 11a). However, when the valve 4 (see FIG. 4) is closed, no hydration reaction (heat release) is performed in the heat storage material 8 because there is no water vapor. The space formed by the piping portion 31 and the eight heat storage material accommodation portions 11a is decompressed as much as water vapor does not exist.
  • the valve 4 is opened when the heat is released.
  • the pressure of the evaporation condenser 2 (see FIG. 4) is reduced to turn water into water vapor, and the water vapor moves to the heat storage material storage portion 11 a through the steam pipe 3.
  • heat is released (heat release) from the heat storage material 8 by the hydration reaction of the heat storage material 8 made of water vapor and calcium oxide.
  • the heat released from the heat storage material 8 is supplied from the heat storage material accommodation portion 11 a of the reaction container portion 11 to the low temperature exhaust gas G flowing through the heat exchange flow path A via the fins 12.
  • heat radiation is performed in the chemical heat storage device 100, and the low temperature exhaust gas G is warmed.
  • the heater core 160 and the battery 170 are heated via the heat exchanger 140.
  • the heat storage material 8 which consists of calcium oxide turns into calcium hydroxide by hydration reaction.
  • the low temperature exhaust gas G is introduced from the inlet 61 and flows through the heat exchange flow path A, as in the case of heat storage, so that the reaction container 1 (reaction container portion 11) rotates in the rotational direction R.
  • the heat storage material 8 is agitated and the hydration reaction (heat release) is performed more efficiently.
  • the evaporative condenser 2 is also rotated with the rotation of the reaction vessel 1, whereby the water 9 contained in the water containing portion 21b of the evaporative condensing portion 21 is the surface of the water containing portion 21b. It adheres to a wide area and evaporates into water vapor.
  • the heat storage material stored in the heat storage material storage portion 11 a as the reaction container portion 11 of the reaction container 1 is rotated by the flow force of the exhaust gas G during both heat storage and heat release.
  • Configure 8 to be stirred As a result, even if a drive unit for moving the reaction container 1 is not provided, the heat storage material 8 can be stirred by moving the reaction container 1 by the flow force of the exhaust gas G during heat storage and heat release. Therefore, since it is not necessary to provide a drive part, while reducing a number of parts and simplifying an apparatus structure, the chemical thermal storage apparatus 100 can be miniaturized. Furthermore, since it is not necessary to provide a drive unit for stirring the heat storage material 8, it is possible to reduce the power consumption in the vehicle 110, which is strongly required to reduce the power consumption.
  • the reaction container part 11 of the reaction container 1 may rotate with the flow force of waste gas G.
  • the heat conductivity between the exhaust gas G flowing along the outer surface 11 d of the reaction container portion 11 in the reaction container 1 and the reaction container 1 can be improved as compared with the case where the reaction container 1 does not move (rotate). it can.
  • the heat storage material 8 in the reaction container 1 can be stirred more uniformly. As a result, since the heat storage material 8 can be reliably suppressed from coagulating and solidifying, the reduction of the heat storage material 8 contributing to heat storage or heat radiation can be suppressed.
  • the heat transfer performance between the heat storage material 8 and the reaction vessel 1 can be improved by stirring the heat storage material 8 as compared with the case where the heat storage material 8 is at rest. As a result, heat can be stored in the heat storage material 8 more efficiently and more quickly, and heat can be dissipated from the heat storage material 8.
  • the reaction container 1 is configured to rotate with the steam pipe 3 as a rotating shaft, so that it is not necessary to secure a space for the reaction container 1 to slide, so the chemical heat storage device 100 Can be miniaturized.
  • a lower cover 6 that includes the inlet 61 for the exhaust gas G and covers the reaction container 1 and an upper cover 5 that includes the outlet 51 for the exhaust gas G and covers the reaction container 1 are provided.
  • the inlet 61 of the lower cover 6 and the outlet 51 of the cover 5 are disposed on the opposite sides (the inlet 61 is on the Z2 side and the outlet 51 is on the Z1 side) relative to the position where the reaction container 1 is disposed.
  • the exhaust gas G can be made to flow in through the inlet 61 disposed on the lower cover 6 on one side, and can be made to flow out from the outlet 51 of the upper cover 5 disposed on the opposite side to the inlet 61.
  • the length of the internal heat exchange channel A can be sufficiently secured.
  • the flow force of the exhaust gas G can be sufficiently exerted on the outer surface 11 d of the reaction vessel 1 (eight reaction vessel parts 11), so that the reaction vessel 1 (eight reaction vessel parts 11) is effectively rotated.
  • the heat storage material 8 can be agitated by moving it.
  • the exhaust gas G flowing along the outer surface 11 d of the reaction container portion 11 (high temperature exhaust gas G at the time of heat storage and low temperature exhaust gas G at the time of heat release) While flowing, a rotational driving force based on the flow force of the exhaust gas G is generated in the fins 12.
  • the fins 12 provided on the outer surface 11 d of the reaction container portion 11 of the reaction container 1 can be utilized also for obtaining flowability from the exhaust gas G. It is not necessary to separately provide the reaction vessel 1 with a member for obtaining flowability from the exhaust gas G. Thereby, the structure of the reaction container 1 can be simplified. Further, since the heat conductivity in the reaction vessel 1 can be further improved by the fins 12 for promoting the heat transfer, the heat storage material 8 can be stored more efficiently and more quickly, and the heat storage material It is possible to dissipate the heat from eight.
  • the reaction vessel 1 is divided into eight reaction vessel parts 11. As a result, the contact area (heat transfer area) between the reaction container 1 and the exhaust gas G can be increased, so the heat conductivity in the reaction container 1 can be further improved.
  • the fins 12 formed between the eight reaction container parts 11 are formed so as to connect the adjacent reaction container parts 11 with each other.
  • the fins 12 since the fins 12 also play a role of a reinforcing member, the strength of the reaction container 1 composed of the divided eight reaction container parts 11 can be improved.
  • the fins 12 having a large length for the distance between the reaction container parts 11 are provided, the surface area of the fins 12 can be increased. As a result, the heat conductivity in the reaction vessel 1 can be further improved.
  • the reaction container 1 is rotated by the flow force of the exhaust gas G to stir the heat storage material, and the external thickness of each of the reaction container portions 11 in the X direction is the rotation radius
  • the width of the fin 12 (fin portion 12a) connecting the adjacent reaction container portions 11 is configured to increase with the increase of the rotation radius.
  • the area of the fins 12 can be increased along with the increase of the rotation radius of the reaction vessel 1, so that the flow force of the exhaust gas G is effectively applied to the portion of the fins 12 having the increased area to obtain eight reaction vessels.
  • the entire reaction vessel 1 composed of the portion 11 can be efficiently rotated.
  • a plurality of fins 12 are disposed around the rotation center of the reaction vessel 1.
  • eight (eight) fins 12 are arranged around the rotation center of one reaction container portion 11.
  • the reaction container 1 is rotated by the flow force of the exhaust gas G, and the evaporation condenser 2 is rotated with the rotation of the reaction container 1.
  • it comprises so that the evaporation condenser 2 can be rotated by using the steam piping 3 as a rotating shaft.
  • the number of parts can be reduced and the device configuration of the chemical heat storage device 100 can be further simplified, and the chemical heat storage device 100 can be further improved. It can be miniaturized.
  • the reaction vessel 1 and the evaporation condenser 2 can be easily rotated together with the steam pipe 3 as a rotating shaft, the chemical heat storage device 100 can be operated in a single mechanical operation system. .
  • water vapor is uniformly attached to a wide range of the surface of the water storage part 21b of the evaporation condensation part 21 in the evaporation condenser 2. It is possible to recover water vapor from a wide range.
  • water can be uniformly attached to a wide range of the surface of the water storage unit 21b of the evaporation and condensation unit 21 during heat release, the water on the surface of the water storage unit 21b of the evaporation and condensation unit 21 is evaporated Water vapor can be generated from a wide range.
  • the dehydration reaction and hydration reaction in the heat storage material 8 can be promoted. As a result, heat can be stored in the heat storage material 8 more efficiently and more quickly, and heat can be dissipated from the heat storage material 8.
  • the folded structure B in the piping portion 32 by providing the folded structure B in the piping portion 32, it is possible to suppress the supply of droplets to the reaction container 1 by the folded structure B, so that the droplets are directly supplied to the heat storage material 8. This can be suppressed. Thereby, it is possible to suppress the heat storage material 8 from being aggregated and solidified due to the water droplets, and therefore, it is possible to suppress the decrease of the heat storage material 8 which contributes to heat storage or heat radiation.
  • the flow of steam between the evaporation condenser 2 and the reaction vessel 1 is controlled by controlling the flow of steam between the inside of the piping unit 31 and the inside of the piping unit 32 by the valve 4.
  • the valve 4 can be closed to suppress the flow of steam except during heat storage and heat radiation, so that dehydration reaction or hydration reaction occurs in the heat storage material 8 other than during heat storage and heat radiation. Can be suppressed.
  • the water 9 of the water storage portion 21b in the evaporation condenser 2 reacts It can suppress flowing into the container 1.
  • the heat storage material 8 can be reliably suppressed from being coagulated and solidified due to the water flowing into it.
  • the high temperature exhaust gas G discharged from the engine 120 flows through the exhaust pipe 130b. Then, the high temperature exhaust gas G introduced from the introduction port 61 flows through the outer surface 11 d of the reaction container portion 11 in the heat exchange flow path A, whereby heat storage is performed in the chemical heat storage device 100.
  • low temperature exhaust gas G discharged from engine 120 flows through exhaust pipe 130 b before completion of warm-up operation such as cold start of vehicle 110 or initial stage of traveling.
  • the low temperature exhaust gas G introduced from the introduction port 61 flows through the outer surface 11 d of the reaction container 11 in the heat exchange flow path A, heat is released in the chemical heat storage device 100 and the low temperature exhaust gas G is It is warmed.
  • the heater core 160 and the battery 170 are heated via the heat exchanger 140.
  • the heat from the high temperature exhaust gas G can be absorbed efficiently and promptly after the completion of the warm-up operation, and the heat absorbed before the completion of the warm-up operation is efficiently and promptly released.
  • the heater core 160 and the battery 170 of the vehicle 110 can be warmed.
  • the heat of the exhaust gas G of the vehicle 110 can be effectively used to reduce the power consumption in the vehicle 110.
  • the low-temperature exhaust gas before the completion of the warm-up operation and before passing through the catalyst 150 is achieved by radiating heat to the heat storage material 8 stored before the completion of the warm-up operation of the engine 120 of the vehicle 110.
  • the heating of G is configured to be performed.
  • the catalyst 150 can be passed in a state where the low temperature exhaust gas G is heated (heated) to be a high temperature exhaust gas G, so the purification action of the exhaust gas G by the catalyst 150 can be promoted.
  • the chemical thermal storage apparatus of this invention in a vehicle was shown in the said embodiment, this invention is not limited to this.
  • the chemical heat storage device of the present invention may be mounted on a movable body other than a vehicle, or may be used as a stationary type.
  • the waste gas G was shown as an example of the heat exchange fluid of this invention, this invention is not limited to this.
  • the heat exchange fluid may be a fluid other than the exhaust gas.
  • coolant liquid may be used.
  • the high temperature exhaust gas G is used as the high temperature heat exchange fluid
  • the low temperature exhaust gas G is used as the low temperature heat exchange fluid (both are used as the exhaust gas G). It is not restricted to this.
  • high temperature exhaust gas G may be used as the high temperature heat exchange fluid
  • warm air supplied from piping of a system different from the exhaust pipe to which the exhaust gas is supplied as the low temperature heat exchange fluid may be used.
  • the switching part which can switch exhaust gas and the air for warm air it is easy to the state which heat storage material thermally stores from a high temperature heat exchange fluid, and the state which heat storage material thermally radiates to a low temperature heat exchange fluid. It is possible to switch. Furthermore, by using the warm air for heating the heater core and the battery, it is not necessary to provide the vehicle with a heat exchanger.
  • the reaction container may be rotated using a driving force other than the flow power of the exhaust gas by providing an auxiliary driving unit that generates an auxiliary driving force for rotating the reaction container.
  • auxiliary driving unit that generates an auxiliary driving force for rotating the reaction container.
  • the heat storage material may be stirred by sliding or swinging (rocking) the reaction container.
  • the thermal storage material which consists of calcium oxide (CaO) was shown as an example of the thermal storage material 8 of this invention in the said embodiment, this invention is not limited to this.
  • the heat storage material may be made of materials other than calcium oxide (CaO), such as calcium sulfate (CaSO 4 ), magnesium oxide (MgO), and barium oxide (BaO).
  • reaction container 1 may not be divided, and may be divided into a plurality of units other than eight.
  • contact area heat transfer area
  • the example which provided the eight fin parts 12a of the fin 12 in the state which inclines with respect to the straight line radially extended from the center was shown in the said embodiment, this invention is not limited to this.
  • the curved fin portion 212a whose center portion protrudes to the front side in the rotational direction R with respect to both ends when viewed from the side You may form in the surface 11d of the container part 211.
  • FIG. As a result, the exhaust gas G is guided from the both ends of the fin portion 212a toward the central protruding portion, whereby a large amount of flow power of the exhaust gas G is applied to the central protruding portion of the fin portion 212a. It is possible to convert the flow force of the exhaust gas G into a rotational drive force.
  • the fins 312 may be formed so as not to connect the adjacent reaction container portions 11 with each other.
  • the length of the fins 312 can be shortened because the reaction container parts 11 are not connected to each other, so that the fins 312 can be reduced in weight.
  • reaction container part 11 comrades are not connected by fin 312, it is possible to handle reaction container part 11 separately unlike the case where it is connected by fin. Thereby, it is possible to assemble a chemical thermal storage device easily.
  • a wind guide plate 412 for guiding the exhaust gas (heat exchange fluid) to the fins 312 may be provided at the end on the divided side (the end on the opposite side to the reaction vessel portion 11).
  • a hole for inserting the steam pipe 3 (the pipe portion 31) is formed substantially at the center of the air guide plate 412, and is formed in a disk shape (ring shape) in side view. Further, the outer peripheral edge of the air guide plate 412 is formed to be located outside the outer end of the fin portion 312a.
  • the heat exchange fluid can be prevented from escaping from the outer end of the fin portion 312a during rotation by the air guide plate 412, so that the flow force of the heat exchange fluid is converted into the rotational driving force. It is possible. As a result, heat can be stored in the heat storage material efficiently and quickly, and heat can be dissipated from the heat storage material. Furthermore, it is possible to efficiently use the flow force of the heat exchange fluid for the rotation of the reaction vessel.
  • the outer surface 11d on the X1 side of the reaction container part 11 located on the X1 side end and the reaction container part 11 located on the X2 side end Although the example which does not provide the fin 12 in the outer surface 11d by the side of X2 was shown, this invention is not limited to this. In the present invention, fins 12 are provided on the outer surface 11d on the X1 side of the reaction container 11 located at the end on the X1 side and the outer surface 11d on the X2 side of the reaction container 11 located at the end on the X2 side. You may provide.
  • reaction vessel 1 reaction vessel 2 evaporation condenser 3 steam piping 4 valve 5 top cover (cover member) 6 Lower cover (cover member) DESCRIPTION OF SYMBOLS 8 Thermal storage material 11 Reaction container part 11d Outer surface 12, 212, 312 Fin 51 Outlet 61 Inlet 100 Chemical thermal storage apparatus 110 Vehicle 120 Engine (internal combustion engine) 150 catalyst 160 heater core (predetermined part of the vehicle) 170 battery (predetermined part of the vehicle) A Heat exchange flow path B Folded structure G Exhaust gas (heat exchange fluid, high temperature heat exchange fluid, low temperature heat exchange fluid)

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PCT/JP2014/066244 2013-07-12 2014-06-19 化学蓄熱装置 Ceased WO2015005085A1 (ja)

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EP14822535.2A EP3006883B1 (en) 2013-07-12 2014-06-19 Chemical thermal energy storage device
CN201480039007.2A CN105378419B (zh) 2013-07-12 2014-06-19 化学蓄热装置
US14/903,895 US9869518B2 (en) 2013-07-12 2014-06-19 Chemical heat storage device

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JP2013146397A JP6056691B2 (ja) 2013-07-12 2013-07-12 化学蓄熱装置

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CN105587380A (zh) * 2016-01-06 2016-05-18 顾钰锋 尾气处理装置

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CN106091778B (zh) * 2016-07-22 2017-09-29 金陵科技学院 一种旋转相变换热器及工作方法
JP6868393B2 (ja) * 2016-12-28 2021-05-12 日本ペイントホールディングス株式会社 蓄放熱装置
CN108020107B (zh) * 2017-11-30 2019-06-04 上海理工大学 一种旋转式相变蓄热器及其应用
CN109443066B (zh) * 2018-12-17 2024-02-02 思安新能源股份有限公司 一种输出稳定的固体储热系统
JP2021110270A (ja) * 2020-01-08 2021-08-02 本田技研工業株式会社 車両用蓄熱器の設置構造
EP3882554A1 (en) 2020-03-19 2021-09-22 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO Internal configuration for redox-based heat storage systems
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