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WO2015098438A1 - Échangeur thermique et dispositif de stockage d'hydrogène - Google Patents

Échangeur thermique et dispositif de stockage d'hydrogène Download PDF

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Publication number
WO2015098438A1
WO2015098438A1 PCT/JP2014/081887 JP2014081887W WO2015098438A1 WO 2015098438 A1 WO2015098438 A1 WO 2015098438A1 JP 2014081887 W JP2014081887 W JP 2014081887W WO 2015098438 A1 WO2015098438 A1 WO 2015098438A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
spiral
spiral tube
heat
hydrogen storage
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/JP2014/081887
Other languages
English (en)
Japanese (ja)
Inventor
善也 中村
亨 竹内
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.)
KYB Corp
Original Assignee
Kayaba Industry 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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Publication of WO2015098438A1 publication Critical patent/WO2015098438A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/06—Tubular elements of cross-section which is non-circular crimped or corrugated in cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C11/00—Use of gas-solvents or gas-sorbents in vessels
    • F17C11/005—Use of gas-solvents or gas-sorbents in vessels for hydrogen
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
    • 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
    • F28F1/08—Tubular elements crimped or corrugated in longitudinal section
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage

Definitions

  • the present invention relates to a heat exchanger provided in a pressure vessel and a hydrogen storage device provided with the heat exchanger.
  • JP2013-15174A has a plurality of tube protrusions whose cross sections project radially and a plurality of tube recesses recessed between adjacent tube protrusions, and the tube protrusions and the tube recesses are spiral in the axial direction.
  • a heat exchanger having a heat exchange pipe formed to extend is disclosed.
  • External pressure acts on the heat exchange pipe of the heat exchanger provided in the pressure vessel.
  • a torsional moment is generated in a direction in which the torsion increases. Since such a torsional moment always acts on the heat exchanger provided in the pressure vessel, it is required to improve the durability of the heat exchanger.
  • the object of the present invention is to improve the durability of the heat exchanger.
  • the heat exchanger is provided in the pressure vessel, and includes a heat exchange pipe through which a heat medium supplied and discharged from the outside of the pressure vessel passes, and the heat exchange pipe has an irregular cross section.
  • a first spiral tube and a second spiral tube having a shape and twisted along the longitudinal direction are formed, and the first spiral tube and the second spiral tube are twisted in opposite directions. .
  • FIG. 1 is a partial cross-sectional view of a hydrogen storage device including a heat exchanger according to the first embodiment of the present invention.
  • FIG. 2 is a perspective view of the first spiral tube and the second spiral tube included in the heat exchanger according to the first embodiment of the present invention.
  • FIG. 3 is a partial cross-sectional view of a hydrogen storage device including a heat exchanger according to the second embodiment of the present invention.
  • FIG. 4 is a partial cross-sectional view of a hydrogen storage device including a heat exchanger according to the third embodiment of the present invention.
  • Drawing 5 is a sectional view showing other shapes of the 1st spiral tube and the 2nd spiral tube which a heat exchanger concerning each embodiment of the present invention has.
  • a hydrogen storage device 1 shown in FIG. 1 is mounted on a vehicle using hydrogen gas as a fuel, for example, and has a hydrogen storage chamber 2 for storing high-pressure hydrogen gas.
  • the hydrogen storage device 1 includes a hollow liner 10, an end flange 20 attached to one end portion of the liner 10, and a base flange 30 attached to the other end portion of the liner 10 as pressure vessels that define the hydrogen storage chamber 2. And comprising.
  • a reinforcing tube 40 surrounding the liner 10 is provided on the outer periphery of the liner 10.
  • the material of the reinforcing tube 40 is a metal having a higher tensile strength than the liner 10 and a low coefficient of thermal expansion, such as high-tensile steel.
  • a hollow sub-tank 50 is provided as a tank for storing the hydrogen storage material 3.
  • the opening on one end side of the sub tank 50 is closed by the base flange 30, and the opening on the other end side is closed by the lid member 60.
  • the lid member 60 is provided with a through hole 61 that allows the hydrogen storage chamber 2 in the liner 10 and the inside of the sub tank 50 to communicate with each other, and a mesh 62 that covers the through hole 61.
  • the lid member 60 is connected to the end flange 20.
  • the hydrogen storage material 3 is confined inside the sub tank 50 by the mesh 62. For convenience, a part of the hydrogen storage material 3 stored in the sub tank 50 is shown in FIG. 1, but the hydrogen storage material 3 is stored throughout the sub tank 50.
  • the hydrogen storage material 3 for example, a powdered hydrogen storage alloy is used.
  • the hydrogen storage alloy is an alloy of hydrogen storage properties.
  • the hydrogen storage material 3 stores several hundred times or more hydrogen gas compared to the atmosphere.
  • the hydrogen storage material 3 is not limited to a hydrogen storage alloy, and other materials having a property of taking in hydrogen may be used.
  • the end flange 20 is provided with a hydrogen gas supply / discharge passage 21 for supplying and discharging hydrogen gas to and from the hydrogen storage chamber 2.
  • the hydrogen gas supply / discharge passage 21 communicates with a hydrogen gas supply source and a hydrogen gas supply destination through a pipe connected to the end flange 20.
  • the base flange 30 is provided with a first port 30A for supplying a heat medium to the heat exchanger 100 described later, and a second port 30B for discharging the heat medium that has passed through the heat exchanger 100.
  • a heat exchanger 100 for cooling or heating the hydrogen storage material 3 is provided in the sub tank 50.
  • the heat exchanger 100 exchanges heat with the hydrogen storage material 3 when the heat medium supplied and discharged from the outside of the hydrogen storage device 1 through the first and second ports 30A and 30B passes through the inside.
  • the heat medium for example, water or oil is used as the heat medium, but the heat medium is not limited thereto, and other liquid or gas may be used.
  • a high temperature heating medium (heat medium) is supplied to the heat exchanger 100 from the external supply source through the first port 30A.
  • the hydrogen storage material 3 is heated by the heating medium supplied to the heat exchanger 100, the hydrogen gas released from the hydrogen storage material 3 is taken out through the hydrogen gas supply / discharge passage 21 of the end flange 20.
  • the heat exchanger 100 includes a heat exchange pipe 101 through which a heat medium supplied and discharged from the outside of the hydrogen storage device 1 passes, and a tube flange 102 that supports the base end of the heat exchange pipe 101 and is fixed to the base flange 30. And comprising.
  • the heat exchange pipe 101 has a supply path 110 ⁇ / b> A to which a heat medium is supplied at one end, and a return path that is provided in parallel with the forward path part 110 and has a discharge port 120 ⁇ / b> A that discharges the heat medium that has passed through the interior.
  • Part 120 and a connecting part 130 that connects the other ends of the forward path part 110 and the return path part 120.
  • the connection part 130 is provided with a connection path 131 that guides the heat medium passing through the forward path part 110 to the return path part 120.
  • the forward path portion 110 includes a first spiral tube 111 formed in a spiral shape having an irregular cross-sectional shape and twisted along the longitudinal direction, and an outward path support portion that is a straight tube having one end supported by the tube flange 102 and a circular section. 112, and a forward connection part 113 that is a straight pipe that is connected to the connection part 130 and has a circular cross section.
  • the first spiral tube 111 of the forward path portion 110 is formed in a spiral shape in which a plurality of convex portions 111A protruding radially are twisted along the longitudinal direction.
  • the surface area is increased by making the cross-sectional shape an irregular shape, the heat transfer property is improved.
  • the forward path support part 112 of the forward path part 110 has a supply port 110 ⁇ / b> A at one end supported by the tube flange 102 and the other end connected to the first spiral tube 111.
  • the forward path support part 112 guides the heat medium supplied through the supply port 110 ⁇ / b> A to the inside of the first spiral tube 111.
  • the forward connection part 113 of the forward part 110 has one end connected to the first spiral tube 111 and the other end connected to the connection part 130.
  • the forward connection part 113 guides the heat medium that has passed through the inside of the first spiral tube 111 to the connection part 130.
  • the return path section 120 includes a second spiral tube 121 formed in a spiral shape having an irregular cross-sectional shape and twisted along the longitudinal direction, and one end supported by the tube flange 102 and a circular cross section.
  • the return path connection portion 123 of the return path portion 120 has one end connected to the second spiral tube 121 and the other end connected to the connection portion 130.
  • the return path connection part 123 guides the heat medium guided through the connection part 130 to the inside of the second spiral tube 121.
  • the second spiral tube 121 of the return path portion 120 is formed in a spiral shape in which a plurality of convex portions 121 ⁇ / b> A projecting radially are twisted along the longitudinal direction.
  • the second spiral tube 121 is formed by twisting in a direction opposite to the twist direction of the first spiral tube 111 of the forward path portion 110 as indicated by an arrow in FIG.
  • the return path support part 122 of the return path part 120 has an outlet 120 ⁇ / b> A at one end supported by the tube flange 102 and the other end connected to the second spiral tube 121.
  • the return path support part 122 discharges the heat medium that has passed through the second spiral tube 121 through the discharge port 120A to the outside.
  • the first spiral tube 111 of the forward path part 110 and the second spiral pipe 121 of the return path part 120, the forward path support part 112 and the return path support part 122, and the forward path connection part 113 and the return path connection part 123 are mutually connected. The same length is formed.
  • the forward path portion 110 may be formed by processing a single tube to form the first spiral tube 111, the forward path support portion 112, and the forward path connection portion 113, or by connecting them by welding or the like. Also good.
  • the return path portion 120 may be formed by processing one pipe, or may be formed by connecting each of them by welding or the like.
  • the heat exchange pipe 101 is formed in a U shape whose base end is cantilevered by the tube flange 102. Inside the heat exchange pipe 101, the heat medium supplied from the outside through the supply port 110 ⁇ / b> A circulates through the forward path part 110, the connection part 130, and the return path part 120. Exchanges can be made.
  • first spiral tube 111 and the second spiral tube 121 are formed in opposite directions with different twist directions. For this reason, the torsional moments generated in each of the first helical tube 111 and the second helical tube 121 by the external pressure cancel each other. Therefore, the heat exchanger 100 as a whole is prevented from generating a torsional moment due to external pressure.
  • the heat exchange pipe 101 of the heat exchanger 100 includes a first spiral tube 111 and a second spiral tube 121 formed in a spiral shape in which a plurality of projecting portions 111A and 121A projecting radially are twisted along the longitudinal direction. Yes. Since the first spiral tube 111 and the second spiral tube 121 are opposite to each other in the twist directions of the convex portions 111A and 121A, the torsion moments generated by the external pressure cancel each other. For this reason, durability of the heat exchanger 100 can be improved.
  • the heat exchanger 100 can improve the durability, the heat exchanger 100 can be prevented from being deformed by the external pressure, and the lifetime can be prevented from being shortened.
  • the forward path portion 110 of the heat exchange pipe 101 has the first spiral tube 111
  • the return path portion 120 has the second spiral tube 121.
  • the forward path portion 210 and the return path portion 220 have the first spiral tube 211 and the second spiral in which the twist directions are opposite to each other.
  • tube 221 differs from the heat exchanger 100 which concerns on 1st Embodiment.
  • the forward path 210 of the heat exchange pipe 201 has a supply port 210A to which a heat medium is supplied at one end.
  • the return path 220 of the heat exchange pipe 201 has a discharge port 220A for discharging the heat medium that has passed through the inside at one end.
  • the first spiral pipe 211 and the second spiral pipe 221 are connected by an intermediate part 240.
  • the intermediate portion 240 is a straight portion having a circular cross section.
  • the forward path part 210 and the return path part 220 have a pair of first spiral tube 211 and second spiral tube 221 respectively.
  • the heat exchanger 200 may include two or more first spiral tubes 211 and second spiral tubes 221.
  • the heat exchange pipe 101 includes the forward path part 110 having the first spiral pipe 111, the return path part 120 having the second spiral pipe 121, and the other end of the forward path part 110. And a connecting portion 130 that connects the other end of the return path portion 120 and is formed in a U shape.
  • the heat exchange pipe 301 is a single straight pipe including the first spiral tube 310 and the second spiral tube 311. It differs from the heat exchanger 100 according to the first embodiment in that it is formed.
  • the heat exchange pipe 301 of the heat exchanger 300 includes a first spiral tube 310 and a second spiral tube 311 whose twist directions are opposite to each other, and one end supported by the tube flange 102 and the other end to the second spiral tube 311.
  • a first support part 313 which is a straight pipe to be connected
  • a second support part 314 whose one end is connected to the first spiral pipe 310 and the other end is supported by the end flange 20, and the first spiral pipe 310 and the second spiral.
  • An intermediate portion 315 that is a straight tube connecting the tube 311.
  • the first spiral tube 310 and the second spiral tube 311 are spiral tubes having shapes that differ from the first spiral tube 111 and the second spiral tube 121 in the first embodiment only in length, respectively.
  • the heat exchange pipe 301 is formed such that the first spiral tube 310 and the second spiral tube 311 have the same length.
  • FIG. 4 shows a case where the heat exchange pipe 301 includes a pair of the first spiral tube 310 and the second spiral tube 311, but includes two or more first spiral tubes 310 and two second spiral tubes 311. May be.
  • the first support part 313 of the heat exchange pipe 301 has a supply port 313A through which a heat medium is supplied from the outside.
  • the heat medium is introduced into the heat exchange pipe 301 through the supply port 313A.
  • the second support portion 314 of the heat exchange pipe 301 has a discharge port 314A for discharging the heat medium that has passed through the heat exchange pipe 301 to the outside.
  • the end flange 20 includes a hydrogen gas supply / discharge passage 21 that supplies and discharges hydrogen gas to and from the hydrogen storage chamber 2, and a discharge passage 22 that communicates with the discharge port 314A and discharges the heat medium guided from the heat exchange pipe 301 to the outside. Are provided.
  • the heat medium supplied from the outside is discharged to the outside through the supply port 313A, the heat exchange pipe 301, the discharge port 314A, and the discharge passage 22.
  • the heat exchangers 100, 200, and 300 have been described as being provided in the hydrogen storage device 1, but may be provided in other pressure vessels.
  • first spiral tubes 111, 211, 310 and the second spiral tubes 121, 221, 311 of the heat exchange pipes 101, 201, 301 have a plurality of convex portions 111A, 121A whose radial sections protrude radially. It is formed in a spiral shape twisted along.
  • first spiral tubes 111, 211, 310 and the second spiral tubes 121, 221, 311 have other non-circular irregular shapes, for example, polygonal cross sections along the longitudinal direction. You may form in the shape of a twisted spiral.
  • the first spiral tubes 111, 211, 310 and the second spiral tubes 121, 221, 311 include a hollow tube 400 that allows passage of a heat medium, and a hollow tube 400.
  • You may form in the irregular cross-sectional shape which has the fin 401 formed in the outer periphery.
  • the hollow tube 400 may be formed in a circular cross-sectional shape or an irregular cross-sectional shape.
  • the fin 401 may be formed to extend linearly in the radial direction of the hollow tube 400, or may be formed in another shape, for example, a bent shape.
  • the heat exchange pipes 101, 201, 301 are formed so that the total lengths of the first spiral tubes 111, 211, 310 and the second spiral tubes 121, 221, 311 are the same.
  • the total lengths of the first spiral tubes 111, 221 and 310 and the second spiral tubes 121, 221 and 311 are the same. May be formed differently. In this case, the torsional moments generated by the external pressure cannot be completely canceled out from each other, but the magnitude of the torsional moments can be reduced.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un échangeur thermique situé dans un contenant à pression, qui comprend un tuyau d'échange thermique, dans lequel circule un agent caloporteur apporté du contenant à pression et refoulé à partir de ce dernier. Le tuyau d'échange thermique comprend un premier tuyau hélicoïdal et un second tuyau hélicoïdal, qui ont une forme de section transversale irrégulière et qui sont formés selon une forme hélicoïdale enroulée autour de la direction longitudinale. Le premier tuyau hélicoïdal et le second tuyau hélicoïdal sont enroulés dans des directions opposées.
PCT/JP2014/081887 2013-12-24 2014-12-02 Échangeur thermique et dispositif de stockage d'hydrogène Ceased WO2015098438A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013264992A JP2015121346A (ja) 2013-12-24 2013-12-24 熱交換器及び水素貯蔵装置
JP2013-264992 2013-12-24

Publications (1)

Publication Number Publication Date
WO2015098438A1 true WO2015098438A1 (fr) 2015-07-02

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PCT/JP2014/081887 Ceased WO2015098438A1 (fr) 2013-12-24 2014-12-02 Échangeur thermique et dispositif de stockage d'hydrogène

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WO (1) WO2015098438A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2634339A (en) * 2023-10-05 2025-04-09 Univ Bristol Hydrogen storage bed

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7153608B2 (ja) * 2019-05-24 2022-10-14 岩谷産業株式会社 水素トーチ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS446299Y1 (fr) * 1966-07-15 1969-03-07
US20030209147A1 (en) * 2002-05-09 2003-11-13 Vitaliy Myasnikov Honeycomb hydrogen storage structure
JP2004332854A (ja) * 2003-05-08 2004-11-25 Toyota Industries Corp 圧力容器
JP2011226763A (ja) * 2010-03-31 2011-11-10 Noritz Corp 熱交換器
JP2013015174A (ja) * 2011-07-01 2013-01-24 Kyb Co Ltd 水素貯蔵容器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS446299Y1 (fr) * 1966-07-15 1969-03-07
US20030209147A1 (en) * 2002-05-09 2003-11-13 Vitaliy Myasnikov Honeycomb hydrogen storage structure
JP2004332854A (ja) * 2003-05-08 2004-11-25 Toyota Industries Corp 圧力容器
JP2011226763A (ja) * 2010-03-31 2011-11-10 Noritz Corp 熱交換器
JP2013015174A (ja) * 2011-07-01 2013-01-24 Kyb Co Ltd 水素貯蔵容器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2634339A (en) * 2023-10-05 2025-04-09 Univ Bristol Hydrogen storage bed
WO2025073717A1 (fr) * 2023-10-05 2025-04-10 The University Of Bristol Lit de stockage d'hydrogène

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