WO2021044738A1 - 熱交換装置 - Google Patents

熱交換装置 Download PDF

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Publication number
WO2021044738A1
WO2021044738A1 PCT/JP2020/027466 JP2020027466W WO2021044738A1 WO 2021044738 A1 WO2021044738 A1 WO 2021044738A1 JP 2020027466 W JP2020027466 W JP 2020027466W WO 2021044738 A1 WO2021044738 A1 WO 2021044738A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
transfer medium
heat transfer
case
heat
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/JP2020/027466
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
浩 畑元
忠司 光安
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.)
Lonovege Co Ltd
Original Assignee
Lonovege 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 Lonovege Co Ltd filed Critical Lonovege Co Ltd
Priority to CN202080062027.7A priority Critical patent/CN114651160A/zh
Priority to US17/640,852 priority patent/US12104859B2/en
Priority to EP20861286.1A priority patent/EP4027094B1/en
Priority to CA3152992A priority patent/CA3152992A1/en
Priority to KR1020227011053A priority patent/KR102654477B1/ko
Priority to ES20861286T priority patent/ES2994735T3/es
Publication of WO2021044738A1 publication Critical patent/WO2021044738A1/ja
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
    • 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
    • F28D7/02—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 being helically coiled
    • 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
    • F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
    • F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
    • 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
    • F28D7/02—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 being helically coiled
    • F28D7/022—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 being helically coiled the conduits of two or more media in heat-exchange relationship being helically coiled, the coils having a cylindrical configuration
    • 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
    • F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
    • F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
    • 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
    • F28D7/08—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 being otherwise bent, e.g. in a serpentine or zig-zag
    • F28D7/082—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 being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2230/00—Sealing means
    • 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

Definitions

  • the present invention relates to a heat exchange device for exchanging heat exchange fluid with a heat transfer medium flowing through a heat transfer medium flow tube of a heat exchange unit.
  • the heat exchange fluid is dropped toward the heat transfer medium flow tube by its own weight, and the heat exchange fluid flows down along the outer surface of the heat transfer medium flow tube in the form of a liquid film while flowing through the heat transfer medium flow tube.
  • a flow-down liquid film type heat exchange device that cools or heats the heat exchange fluid by exchanging heat between the heat medium (solvent or heat medium) and the heat exchange fluid (for example, Patent Document 1). reference).
  • Patent Document 2 one side wall of a case for accommodating a heat exchange unit including a heat transfer medium flow tube is opened, and the heat exchange unit is attached to a lid member for opening and closing the opening of the case, and the heat transfer medium is provided.
  • a heat exchange device has been proposed in which the lid member is slid horizontally together with the heat exchange unit and taken out of the case. According to this heat exchange device, it is possible to easily clean and maintain the heat transfer medium flow pipe of the heat exchange unit taken out from the case.
  • the heat transfer medium inlet and the heat transfer medium outlet at both ends of the heat transfer medium flow tube are opened in the same direction, and the heat exchange fluid dropped in the case.
  • the case is formed with a heat exchange fluid discharge port for discharging the fluid to the outside of the case.
  • the heat exchange fluid discharge port formed in the case is formed on the side opposite to the opening direction of the heat transfer medium inlet and the heat transfer medium outlet of the heat transfer medium flow tube.
  • the discharge port is formed on the lower surface of the case, the pipe is passed under the device, so that the cost of the heat exchange device is increased by providing a long leg at the bottom of the device, and the inflow of the heat exchange fluid is increased.
  • the height is low, there is a problem that it becomes difficult to install the device or the piping man-hours increase and the cost increases due to pumping up and flowing in.
  • the present invention has been made in view of the above problems, and an object of the present invention is to make the heat exchange fluid discharge port, the heat transfer medium inlet, and the heat transfer medium outlet in the same direction or in different directions depending on the difference in piping conditions at the installation site.
  • an object of the present invention is to make the heat exchange fluid discharge port, the heat transfer medium inlet, and the heat transfer medium outlet in the same direction or in different directions depending on the difference in piping conditions at the installation site.
  • the present invention is arranged in a case (10) having an open upper surface, a heat exchange unit (20) housed in the case (10), and an upper part of the case (10).
  • a storage tank (30) is provided, and the heat exchange fluid stored in the storage tank (30) is dropped by its own weight toward the heat transfer medium flow pipe (21) of the heat exchange unit (20).
  • the heat transfer medium inlet (21a) and the heat transfer medium outlet (21b) are opened in the same direction, and the opening directions of the heat transfer medium inlet (21a) and the heat transfer medium outlet (21b) of the case (10).
  • a heat exchange fluid discharge port (13) for discharging the heat exchange fluid dropped in the case (10) is formed on a side wall (10A) in either the same direction or the opposite direction, and the heat is generated.
  • the exchange unit (20) can be taken in and out of the case (10) from the vertical direction.
  • the opening directions of the heat transfer medium inlet and the heat transfer medium outlet of the heat transfer medium flow tube and the opening direction of the heat exchange fluid discharge port formed in the case are the piping conditions at the installation site of the heat exchange device. If it does not fit, pull out the heat exchange unit upward from the case, rotate it 180 ° around the vertical axis, and then store this heat exchange unit in the case to transfer heat from the heat transfer medium flow tube.
  • the opening directions of the medium inlet and the heat transfer medium outlet and the opening direction of the heat exchange fluid discharge port formed in the case can be adjusted to the piping conditions at the installation site. Therefore, only one type of heat exchange device needs to be prepared in inventory, and the man-hours for manufacturing, managing, and installing the heat exchange device can be reduced to reduce the cost.
  • the case (10) is composed of a rectangular box whose upper surface is open, and the heat transfer medium inlet (21a) and the heat transfer medium outlet (21a) of the case (10).
  • Notches (12) of the same size and shape with the upper side open are formed at the upper ends of a pair of side walls (10A, 10B) facing each other in the same direction and opposite to the opening direction of 21b).
  • the heat transfer medium inlet (21a) and the heat transfer medium outlet (21b) may face the notch (12) of either one.
  • the heat transfer medium inlet and the heat transfer medium outlet of the heat transfer medium flow tube provided in the heat exchange unit are either one of the cases. You can face the notch. Further, since the notch formed in the case is open at the upper side, the heat exchange unit is not hindered from being taken in and out of the case.
  • the heat transfer medium flow tube (21) in which the heat exchange unit (20) is spirally wound along the vertical direction and the heat transfer medium flow tube (21) 21) is composed of a rectangular frame body (22) for accommodating and holding the heat transfer medium inlet, and one of the fixing plates (23) vertically attached to two opposite positions of the rectangular frame body (22). (21a) and the heat transfer medium outlet (21b) are opened, and at the lower part of both fixing plates (23), a communication hole (23a) in which one of them communicates with the heat exchange fluid discharge port (13) is provided. Each may be formed.
  • the case (10) may be provided with a guide means (14) for guiding the slide in the vertical direction when the heat exchange unit (20) is taken in and out.
  • the heat exchange unit when the heat exchange unit is taken in and out of the case, the heat exchange unit can be smoothly slid in the vertical direction while being guided by the guide means, so that the heat exchange unit can be taken in and out of the case. It is stable and reliable without rattling.
  • the upper end edges of the two opposing side walls (10C, 10D) of the case (10) are bent inward at right angles to form flange portions (10a), both of which are formed.
  • the guide means (14) is configured by forming notches (14) into which the fixing plate (23) is fitted at two opposite positions of the flange portion (10a) in the longitudinal direction. May be good.
  • a guide means for guiding the heat exchange unit to slide in the vertical direction when the heat exchange unit is taken in and out of the case can be easily constructed by the notch formed in the case.
  • the present invention it is possible to deal with the difference in piping conditions at the installation site by using one type of heat exchange device, and the man-hours for manufacturing, managing, and installing the heat exchange device can be reduced to reduce the cost. In addition to being able to achieve this, it is possible to obtain the effect of eliminating the sealing material, reducing the number of parts, and simplifying maintenance.
  • FIG. 5 It is a perspective view of the heat exchange apparatus which concerns on this invention. It is an exploded perspective view of the heat exchange apparatus which concerns on this invention. It is an enlarged detailed view of part A of FIG. It is a front view of the heat exchange unit which concerns on this invention. It is a perspective view of the heat exchange apparatus which concerns on this invention (the state which the heat exchange unit is incorporated by reversing the left and right from the state shown in FIG. 1). It is a side view of the heat exchange apparatus shown in FIG. 5 (the view in the direction of arrow B in FIG. 5). It is an exploded perspective view of the heat exchange apparatus shown in FIG.
  • FIG. 1 is a perspective view of the heat exchange device according to the present invention
  • FIG. 2 is an exploded perspective view of the heat exchange device according to the present invention
  • FIG. 3 is an enlarged detailed view of part A of FIG. 2
  • FIG. 4 is the same according to the present invention.
  • a front view of the heat exchange unit of the heat exchange device
  • FIG. 5 is a perspective view of the heat exchange device according to the present invention (a state in which the heat exchange unit is incorporated by reversing the left and right sides from the state shown in FIG. 1)
  • FIG. 6 is FIG. 5 is a side view of the heat exchange device shown in FIG. 5 (view in the direction of arrow B in FIG. 5)
  • FIG. 7 is an exploded perspective view of the heat exchange device shown in FIG. In FIG. 7, a part of the heat transfer medium distribution pipe 21 is omitted.
  • the heat exchange device 1 is a flow-down liquid film type heat exchanger, and as shown in FIGS. 1 and 2, a case 10 having an open upper surface and a heat exchange housed in the case 10 A unit 20 and a storage tank 30 arranged in the upper part of the case 10 are provided, and the heat exchange fluid stored in the storage tank 30 is dropped by its own weight toward the heat transfer medium flow pipe 21 of the heat exchange unit 20. Heat exchange is performed between the heat exchange medium and the heat transfer medium flowing through the heat transfer medium flow tube 21.
  • the case 10 is formed into an elongated rectangular box shape by a metal plate having a low thermal conductivity such as a stainless steel plate, and its lower four corners are supported by height-adjustable support legs 11.
  • a metal plate having a low thermal conductivity such as a stainless steel plate
  • height-adjustable support legs 11 In the following description, as shown in FIGS. 1 and 2, the longitudinal direction of the case 10 is referred to as the “left-right direction” and the lateral direction is referred to as the “front-back direction”.
  • the upper ends of the side walls 10A and 10B facing each other on the short side side (both ends in the left-right direction) of the case 10 are rectangular having the same size and shape with the upper side open. Notches 12 are formed respectively.
  • the heat exchange fluid that falls into the case 10 is discharged to the outside of the case 10 as described later.
  • a pipe-shaped heat exchange fluid discharge port 13 is formed.
  • the upper end edges of the side walls 10C and 10D facing each other on the long side side (both ends in the front-rear direction) of the case 10 are narrow flange portions bent inward at right angles. 10a are formed along the longitudinal direction (left-right direction), respectively. Then, as shown in detail in FIG. 3 (only two are shown in FIG. 3), the two flange portions 10a at both ends in the longitudinal direction (horizontal direction), which are opposite to each other, are rectangular. Notches 14 are formed respectively. Each notch 14 functions as a guide means for guiding the heat exchange unit 20 when the heat exchange unit 20 is moved in and out of the case 10 from the vertical direction as described later.
  • positioning pins 15 are erected in the vicinity of the notch 14 of each flange portion 10a of the case 10.
  • the heat exchange unit 20 includes a heat transfer medium flow tube 21 wound spirally (oval ring shape) along the vertical direction, and the heat transfer medium flow tube 21. It is composed of a rectangular frame body 22 for accommodating and holding the above.
  • the rectangular frame 22 includes two left and right rectangular plate-shaped solid plates 23 that stand vertically, and two upper and lower horizontal bars 24 that are horizontally erected between the front and rear ends of these fixing plates 23. It is composed of three vertical rods 25 erected vertically at appropriate intervals in the left-right direction between two horizontal rods 24 on the upper and lower sides of two sets in the front and rear, and a heat transfer medium flow pipe 21 is formed inside the horizontal rods 25. Is housed and held.
  • the heat transfer medium flow tube 21 circulates a heat transfer medium of a refrigerant (water, chlorofluorocarbon, etc.) or a heat medium (steam, etc.) inside, and both ends thereof are cases as shown in FIG. It rises vertically along the inside of the side wall 10A at the left end of 10, and the end portion penetrates the fixing plate 23 on one side (left side) and opens in the upper portion side by side in the front-rear direction, and one opening. The portion constitutes the heat transfer medium inlet 21a, and the other opening constitutes the heat transfer medium outlet 21b.
  • a refrigerant water, chlorofluorocarbon, etc.
  • a heat medium steam, etc.
  • the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 are directed toward the same direction (left direction in the illustrated example) on one side (left side in the illustrated example) of the fixing plate 23. It opens side by side at the same height position on the top.
  • the material of the heat transfer medium flow tube 21 it is desirable to select copper or a copper alloy having a large thermal conductivity.
  • notch circular communication holes 23a having an open lower portion are formed at the central portion in the front-rear direction of each lower end portion of each of the two left and right fixing plates 23.
  • One of the two communication holes 23a (the left communication hole 23a in the illustrated example) is one of the cases 10 (the left side in the illustrated example) when the heat exchange unit 20 is housed in the case 10. ), It communicates with the heat exchange fluid discharge port 13 formed in the side plate 10A.
  • the storage tank 30 is a rectangular tray-shaped container with an open upper part, and a heat exchange fluid is stored inside the storage tank 30. Although not shown, a large number of small hole-shaped dropping holes are formed on the bottom surface of the water tank 30.
  • the upper end edges of the front and rear side walls 30A and 30B facing each other on the long side of the storage tank 30 are bent at right angles to the outside to form the flange portion 30a.
  • Positioning holes 31 are formed at both left and right ends of the flange portion 30a (two positions on the left and right corresponding to the positioning pins 15 erected on the flange portion 10a of the case 10).
  • the heat exchange unit 20 is incorporated into the case 10 from above and housed in the case 10.
  • the left and right fixing plates 23 of the heat exchange unit 20 are inserted into and fitted into the notches 14 as the guide means formed at the opposite portions of the two flange portions 10a of the case 10, so that the heat exchange is performed.
  • the unit 20 is smoothly dropped into the case 10 without rattling while being guided by the notch 14, and is accurately housed in the proper position.
  • the heat transfer medium inlet 21a and the heat transfer medium inlet 21a of the heat transfer medium flow tube 21 that opens in the fixing plate 23 on one side (left side) of the heat exchange unit 20 As shown in FIG. 1, the medium outlet 21b faces the notch 12 formed in the upper part of the side wall 10A on the left side of the case 10.
  • the heat exchange device 1 is assembled, but a total of four positioning holes 31 formed in the flange portion 30a of the storage tank 30 Since a total of four positioning pins 15 formed on the flange portion 10a of the case 10 are fitted into the case 10, the storage tank 30 is placed on the upper portion of the case 10 in a accurately positioned state.
  • the case 10 is in the same direction as the opening direction (left side) of the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 provided in the heat exchange unit 20.
  • the heat exchange fluid discharge port 13 of the above is open.
  • the heat exchange fluid stored in the storage tank 30 enters the case 10 by its own weight from a large number of dropping holes (not shown) formed on the bottom surface of the storage tank 30. Is dropped toward the heat exchange unit 20, and the heat exchange fluid flows down in the form of a liquid film along the outer surface of the heat transfer medium flow tube 21 of the heat exchange unit 20.
  • the heat transfer medium flow tube 21 of the heat exchange unit 20 the heat transfer medium flowing in from the heat transfer medium inlet 21a spirally flows through the heat transfer medium flow tube 21 from the bottom to the top to transfer heat.
  • the heat transfer medium flow tube 21 is circulated by being discharged from the medium outlet 21b to the outside of the case 10.
  • the heat exchange fluid flowing down in the form of a liquid film along the outer surface of the heat transfer medium flow tube 21 is cooled or heated by heat exchange with the heat transfer medium flowing through the heat transfer medium flow tube 21 in the process. Eventually it will fall to the bottom of the case 10.
  • the heat exchange fluid that has exchanged heat with the heat transfer medium and has fallen to the bottom of the case 10 has a communication hole 23a of the fixing plate 23 that communicates with each other and a heat exchange fluid discharge port of the case 10. It is discharged to the outside of the case 10 through 13.
  • the opening directions of the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 and the cover formed in the case 10 are formed. It may be convenient that the opening direction of the heat exchange fluid discharge port 13 is opposite to that of the opening direction.
  • the heat exchange unit 20 is slid upward and taken out from the case 10, and the taken out heat exchange unit 20 is rotated by 180 ° around the vertical axis, and FIG. 7 As shown in, the left and right sides of the heat exchange unit 20 are reversed. Then, the opening directions of the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 of the heat exchange unit 20 are opposite to the opening directions of the heat exchange fluid discharge port 13 formed in the case 10. become. That is, as shown in FIG.
  • the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 are opened in the notch 12 formed in the side wall 10B on the right side of the case 10, while the case 10 is opened.
  • the formed heat exchange fluid discharge port 13 opens on the left side of the case 10.
  • the heat exchange unit 20 When the heat exchange unit 20 is taken out from the case 10 and its left and right sides are reversed as described above, the heat exchange unit 20 is dropped into the case 10 and the heat exchange unit 20 is placed in the case as shown in FIG. If the storage tank 30 is housed in the case 10 and then the storage tank 30 is installed in the upper part of the case 10, the assembly of the heat exchange device 1 in which the left and right sides of the heat exchange unit 20 are reversed is completed.
  • the communication holes 23a are formed in both the left and right fixed plates 23, one of these communication holes 23a is the case 10. It communicates with the heat exchange fluid discharge port 13. Therefore, even when the left and right sides of the heat exchange unit 20 are reversed, the heat exchange fluid that falls into the case 10 passes through the communication hole 23a of the fixing plate 23 and the heat exchange fluid discharge port 13 of the case 10. 10 It can be discharged to the outside.
  • the heat exchange fluid stored in the storage tank 30 is formed on the bottom surface of the storage tank 30 as described above.
  • the heat exchange fluid flows along the outer surface of the heat transfer medium flow tube 21 of the heat exchange unit 20. In the process of flowing down in the form of a liquid film, it is cooled or heated by heat exchange with the heat transfer medium flowing through the heat transfer medium flow tube 21.
  • the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 are opened, and the heat exchange fluid discharged formed in the case 10. If the opening direction of the outlet 13 does not match the piping conditions at the installation site of the heat exchange device 1, the heat exchange unit 20 is pulled out from the case 10 upward, rotated 180 ° about the vertical axis, and then rotated by 180 °.
  • the opening directions of the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 and the opening of the heat exchange fluid discharge port 13 formed in the case 10 The direction can be adjusted to the piping condition at the installation site. Therefore, only one type of heat exchange device 1 needs to be prepared in inventory, and the man-hours for manufacturing, managing, and installing the heat exchange device 1 can be reduced to reduce the cost.
  • the upper ends of the pair of side walls 10A and 10B facing each other in the same direction and the opposite direction to the opening direction of the heat transfer medium inlet 21a and the heat transfer medium outlet 21b are formed.
  • Notches 12 having the same dimensions and the same shape with the upper side open were formed, and the heat transfer medium inlet 21a and the heat transfer medium outlet 21b were made to face one of the notches 12, so that the following effects were obtained. Is obtained. That is, regardless of the storage direction of the heat exchange unit 20 in the case 10, the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 provided in the heat exchange unit 20 are either in the case 10. One of the notches 12 can be faced. Further, since the notch 12 formed in the case 10 is open at the upper side, the notch 12 does not obstruct the movement of the heat exchange unit 20 into and out of the case 10.
  • the heat transfer medium inlet 21a and the heat transfer medium outlet 21b of the heat transfer medium flow tube 21 are opened in one of the pair of fixing plates 23 provided in the heat exchange unit 20, and both fixing plates are opened. Since the communication holes 23a, one of which communicates with the heat exchange fluid discharge port 13 of the case 10, are formed in the lower part of the 23, the following effects can be obtained. That is, regardless of the storage direction of the heat exchange unit 20 in the case, one of the communication holes 23a formed in both the fixing plates 23 communicates with the heat transfer fluid discharge port 13 of the case 10, so that heat is generated. Even if the storage direction of the exchange unit 20 in the case 10 is changed, the heat exchange fluid falling into the case 10 is surely discharged to the outside of the case 10 through the communication hole 23a for communicating with each other and the heat exchange fluid discharge port 13. can do.
  • the flange portion 10a of the case 10 is formed with a notch 14 as a guide means for guiding the slide in the vertical direction when the heat exchange unit 20 is taken in and out, so that the heat exchange unit 20 is provided.
  • the heat exchange unit 20 can smoothly slide in the vertical direction while being guided by the notch 14. Therefore, the heat exchange unit 20 can be taken in and out of the case 10 in a stable and reliable manner without rattling.
  • the notch 14 as the guiding means can be easily formed on the flange portion 10a of the case 10.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
PCT/JP2020/027466 2019-09-06 2020-07-15 熱交換装置 Ceased WO2021044738A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN202080062027.7A CN114651160A (zh) 2019-09-06 2020-07-15 热交换装置
US17/640,852 US12104859B2 (en) 2019-09-06 2020-07-15 Heat exchanging apparatus
EP20861286.1A EP4027094B1 (en) 2019-09-06 2020-07-15 Heat exchange device
CA3152992A CA3152992A1 (en) 2019-09-06 2020-07-15 Heat exchanging apparatus
KR1020227011053A KR102654477B1 (ko) 2019-09-06 2020-07-15 열교환 장치
ES20861286T ES2994735T3 (en) 2019-09-06 2020-07-15 Heat exchange device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-162877 2019-09-06
JP2019162877A JP6902582B2 (ja) 2019-09-06 2019-09-06 熱交換装置

Publications (1)

Publication Number Publication Date
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JP2011158239A (ja) 2010-01-06 2011-08-18 Kazuo Nakano 流下液膜式熱交換装置
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JP2017187244A (ja) * 2016-04-07 2017-10-12 公立大学法人大阪市立大学 熱交換装置

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EP4027094C0 (en) 2024-11-13

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