WO2019073807A1 - 熱交換プレートに用いられる金属製元板材 - Google Patents

熱交換プレートに用いられる金属製元板材 Download PDF

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Publication number
WO2019073807A1
WO2019073807A1 PCT/JP2018/035935 JP2018035935W WO2019073807A1 WO 2019073807 A1 WO2019073807 A1 WO 2019073807A1 JP 2018035935 W JP2018035935 W JP 2018035935W WO 2019073807 A1 WO2019073807 A1 WO 2019073807A1
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WIPO (PCT)
Prior art keywords
protrusions
region
longitudinal direction
condensate
area
Prior art date
Application number
PCT/JP2018/035935
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English (en)
French (fr)
Japanese (ja)
Inventor
圭太郎 田村
義男 逸見
和久 福谷
明夫 岡本
Original Assignee
株式会社神戸製鋼所
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
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Application filed by 株式会社神戸製鋼所 filed Critical 株式会社神戸製鋼所
Priority to US16/651,810 priority Critical patent/US20200248975A1/en
Priority to EP18866789.3A priority patent/EP3696487A4/en
Priority to CN201880061319.1A priority patent/CN111108338B/zh
Priority to RU2020115479A priority patent/RU2747945C1/ru
Priority to KR1020207013118A priority patent/KR102407924B1/ko
Publication of WO2019073807A1 publication Critical patent/WO2019073807A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/04—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0063—Condensers

Definitions

  • the present invention relates to a metal base plate used for a heat exchange plate.
  • Plate type heat exchangers which make use of the condensation heat transfer of the working medium.
  • the heat exchange plate contained in the plate type heat exchanger is usually formed into a complex shape such as a herringbone shape for the purpose of improving heat exchange efficiency and mechanical durability.
  • Such a heat exchange plate is generally manufactured by pressing a metal original plate material.
  • Patent Document 1 In order to further improve the heat exchange efficiency of the heat exchange plate, a method has been proposed in which a plurality of fine projections are provided on the surface of a metal original plate material before pressing (Patent Document 1).
  • Patent Document 1 In the base plate material of Patent Document 1, two types of protrusions are formed symmetrically on the surface of a metal flat material before pressing at an angle to form a V shape, and a gap between these two types of protrusions It is said that the stirring action on the vapor of the working medium promotes condensation of the working medium, and the condensate of the working medium can be efficiently discharged.
  • the two types of protrusions provided on the surface of the original plate material of Patent Document 1 have a symmetrical V shape having a gap between the protrusions, so the condensate flowing down the surface of the original plate has two types of protrusions It is concentrated between the ridges by the guidance of the ridges, and decelerates when passing through the gap between the downstream ends of the ridges. For this reason, in order to disperse
  • the present invention has been made based on the above circumstances, and provides a metal base plate used for a heat exchange plate capable of appropriately dispersing the condensate of the working medium and efficiently discharging the condensate.
  • the purpose is
  • the invention made in order to solve the above-mentioned subject is metal former board material used for a heat exchange plate built in a plate type heat exchanger, and at least one surface is a plurality of beltlike 1st fields and a plurality of A plurality of strip-shaped second regions arranged in parallel and alternately, the plurality of strip-like first regions being arranged substantially parallel and at substantially equal intervals such that the crossing angle with the longitudinal direction is 10 degrees or more and 25 degrees or less
  • the strip-like second region has a plurality of ridges and a plurality of second ridges aligned substantially parallel and at substantially equal intervals at an angle facing the plurality of first ridges in the short direction; When the first area and the second area are spaced at substantially equal intervals via the gap area, and one of the first area and the second area in the longitudinal direction is the downstream direction, the plurality of first areas and the second area are separated.
  • the downstream first end of the ridge and the downstream second end of the plurality of second ridges are in the longitudinal direction They
  • the metal original plate material has a gap area between the first area and the second area, and the end portions of the two types of ridges are disposed to be shifted in the longitudinal direction of the first area and the second area. Therefore, the concentration of the condensate between the ends of the two types of ridges can be suppressed, and the condensate can be properly dispersed.
  • the metal base plate material has two types of ridges inclined in opposite directions with respect to the longitudinal direction so that the crossing angle with the longitudinal direction of the first region and the second region is 10 degrees or more and 25 degrees or less. Since it arrange
  • the average distance between the plurality of first protrusions is 0.1 mm or more and 1.0 mm or less
  • the average distance between the plurality of second protrusions is 0.1 mm or more and 1.0 mm or less
  • the first region The average distance between the second regions may be 0.2 mm or more and 4.0 mm or less.
  • the amount of longitudinal displacement between the first end and the second end may be 0.1 mm or more and 5.8 mm or less.
  • the metallic base plate can appropriately disperse the condensate because the amount of longitudinal displacement between the first end and the second end is appropriately adjusted.
  • the angle of intersection of the second ridge with the longitudinal direction of the second region is preferably equal to the angle of intersection of the first ridge. This is because the balance of the flow rate of the condensate in the first area and the second area can be effectively balanced.
  • the metal base plate used for the heat exchange plate of the present invention can properly disperse the condensate of the working medium and can efficiently discharge the condensate.
  • FIG. 2 is a schematic perspective cross-sectional view partially showing an AA cross section in the vicinity of the surface of the metal base plate material of FIG. 1;
  • the metal original plate material 1 of FIG. 1 is a metal original plate material used for a heat exchange plate incorporated in a plate type heat exchanger.
  • the material of the metal base plate 1 is not particularly limited, and titanium, for example, is used.
  • the metal original plate material 1 is a flat plate material which is a raw material for manufacturing a heat exchange plate, and when incorporated in a plate type heat exchanger, is formed into a heat exchange plate by press processing.
  • the metal base plate 1 is not particularly limited, but a rectangular plate having a long side of 1200 mm, a short side of 800 mm, and an average thickness of 0.5 mm to 1.0 mm is used.
  • a plurality of band-like first regions 2 and a plurality of band-like second regions 3 are provided in parallel and alternately on the surface of the metal base plate 1.
  • the surface provided with the first region 2 and the second region 3 may be at least one surface of the metal base plate 1, and even if it is only one side of the metal base plate 1, the surface of the metal base plate 1 It may be both sides.
  • the first area 2 is a band-like area provided on the surface of the metal base plate 1 and a plurality of first areas 2 are provided substantially in parallel. Each of the first regions 2 has a plurality of first ridges 21 aligned substantially in parallel and at substantially equal intervals such that the angle of intersection with the longitudinal direction is ⁇ 1.
  • average width Z1 of the cross direction of the 1st field 2 1 mm is preferred, 2 mm is more preferred, and 3 mm is still more preferred.
  • an upper limit of average width Z1 20 mm is preferred, 18 mm is more preferred, and 16 mm is more preferred. If the average width Z1 is less than the above lower limit, the stirring action on the vapor of the working medium may not be sufficiently obtained, and condensation of the working medium may not be promoted. Conversely, when the average width Z1 exceeds the upper limit, the condensate may stay in the first region 2 and the condensate may not be discharged efficiently.
  • average width shows the value which averaged the width
  • first protrusion 21 In the first region 2, a plurality of first protrusions 21 are provided substantially in parallel and at substantially equal intervals.
  • the first protrusion 21 is an elongated rod-like protrusion in a plan view, and both ends thereof have lengths reaching both side portions of the band-shaped first region 2.
  • the shape of the 1st protrusion 21 is substantially rectangular, two long sides should just be formed substantially parallel in planar view, and the 1st protrusion 21 is for example It may be curvilinear.
  • the method of forming the ridges on the surface of the metal base plate 1 is not particularly limited, but, for example, a method of transferring unevenness during rolling is adopted.
  • intersection angle ⁇ 1 between the first protrusion 21 and the longitudinal direction of the first region 2 is set to an acute angle in order to suppress the deceleration of the flowing down condensate.
  • the lower limit of the intersection angle ⁇ 1 is preferably 10 degrees, more preferably 12 degrees, and even more preferably 13 degrees.
  • the upper limit of the intersection angle ⁇ 1 is preferably 25 degrees, more preferably 22 degrees, and still more preferably 20 degrees. If the crossing angle ⁇ 1 is less than the above lower limit, the condensate may not be properly induced along the side of the first protrusion 21. Conversely, when the crossing angle ⁇ 1 exceeds the upper limit, the condensate may stay in the first region 2 and may not be discharged efficiently.
  • cross angle refers to an acute angle out of two corners formed when two straight lines intersect.
  • the upper limit of the average width a1 is preferably 1.0 mm, more preferably 0.8 mm, and still more preferably 0.6 mm. If the average width a1 is less than the above lower limit, the strength of the first protrusion 21 may be insufficient. In contrast, when the average width a1 exceeds the upper limit, the condensate may flow down the upper surface of the first ridge 21 and the condensate may not be appropriately induced along the side of the first ridge 21.
  • the lower limit of the average distance b1 between the two first protrusions 21 is preferably 0.1 mm, more preferably 0.2 mm, and still more preferably 0.3 mm.
  • the upper limit of the average distance b1 is preferably 1.0 mm, more preferably 0.9 mm, and still more preferably 0.8 mm. If the average distance b1 is less than the above lower limit, the condensate may overflow to the upper surface of the first ridge 21 and the condensate may not be properly induced along the side of the first ridge 21. Conversely, when the average distance b1 exceeds the upper limit, the condensate may stay between the first protrusions 21 and may not be discharged efficiently.
  • "average distance” is the average of the distance in the short side direction of a protrusion, and shows the value which averaged five arbitrary distances between two protrusions.
  • the upper limit of the average height h is preferably 0.10 mm, more preferably 0.09 mm, and still more preferably 0.08 mm. If the average height h is less than the above lower limit, the stirring action on the vapor of the working medium may not be sufficiently obtained, and condensation of the working medium may not be promoted. Conversely, if the average height h exceeds the above upper limit, there is a possibility that the processing cost may increase.
  • the second area 3 is a band-like area provided on the surface of the metal base plate 1, and a plurality of second areas 3 are provided substantially in parallel.
  • Each second region 3 includes a plurality of second protrusions 31 aligned substantially in parallel and at substantially equal intervals at an angle ⁇ 2 opposed to the plurality of first protrusions 21 in the short direction.
  • the lower limit of the average width Z2 in the short direction of the second region 3 is preferably 1 mm, more preferably 2 mm, and still more preferably 3 mm.
  • an upper limit of average width Z2 20 mm is preferred, 18 mm is more preferred, and 16 mm is still more preferred. If the average width Z2 is less than the above lower limit, the action of stirring the vapor of the working medium may not be sufficiently obtained, and condensation of the working medium may not be promoted. Conversely, when the average width Z2 exceeds the upper limit, the condensate may stay in the second region 3 and the condensate may not be discharged efficiently.
  • a plurality of second protrusions 31 are provided substantially in parallel and at substantially equal intervals. Similar to the first protrusion 21, the second protrusion 31 is an elongated rod-like protrusion in plan view, and both ends thereof have lengths reaching both sides of the strip-shaped second region 3.
  • the shape of the 2nd protrusion 31 is substantially the same rectangle as the shape of the 1st protrusion 21, the 2nd protrusion 31 is planar view in the same manner as the 1st protrusion 21. The two long sides may be formed substantially in parallel.
  • the second ridge 31 has the same shape as the first ridge 21 in plan view, and the height of the second ridge 31 with respect to the surface of the metal base plate 1 Is preferably equal to the height h of the first protrusion 21 with respect to the surface of the metal base plate 1 as shown in FIG.
  • the second ridges 31 are disposed at an angle facing the first ridges 21 in the short side direction, when one of the first region 2 and the second region 3 in the longitudinal direction is the downstream direction, The first end 21a on the downstream side of the first protrusion 21 and the second end 31a on the downstream side of the plurality of second protrusions 31 are close to each other with the gap region 4 interposed therebetween.
  • An intersection angle ⁇ 2 between the second ridges 31 and the longitudinal direction of the second region 3 is set to an acute angle in order to suppress the deceleration of the flowing down condensate.
  • the lower limit of the intersection angle ⁇ 2 is preferably 10 degrees, more preferably 12 degrees, and still more preferably 13 degrees.
  • the upper limit of the intersection angle ⁇ 2 is preferably 25 degrees, more preferably 22 degrees, and still more preferably 20 degrees. If the crossing angle ⁇ 2 is less than the above lower limit, the condensate may not be properly induced along the side of the second protrusion 31. Conversely, when the crossing angle ⁇ 2 exceeds the upper limit, the condensate may stay in the second region 3 and may not be discharged efficiently. From the viewpoint of balance of the flow rate of the condensate, it is preferable that the absolute values of the intersection angle ⁇ 1 and the intersection angle ⁇ 2 be equal.
  • the upper limit of the average width a2 is preferably 1.0 mm, more preferably 0.8 mm, and still more preferably 0.6 mm. If the average width a2 is less than the above lower limit, the strength of the second protrusion 31 may be insufficient. Conversely, when the average width a2 exceeds the upper limit, the condensate may flow down the upper surface of the second ridge 31 and the condensate may not be properly induced along the side of the second ridge 31.
  • the average width a1 and the average width a2 are preferably equal from the viewpoint of the balance of the flow rate of the condensate.
  • the lower limit of the average distance b2 between the two second protrusions 31 is preferably 0.1 mm, more preferably 0.2 mm, and still more preferably 0.3 mm.
  • an upper limit of average distance b2 1.0 mm is preferred, 0.9 mm is more preferred, and 0.8 mm is still more preferred. If the average distance b2 is less than the above lower limit, the condensate may overflow on the upper surface of the second ridge 31 and the condensate may not be properly induced along the side of the second ridge 31. Conversely, if the average distance b2 exceeds the upper limit, the condensate may stay between the second protrusions 31 and may not be discharged efficiently.
  • the average distance b1 and the average distance b2 are preferably equal from the viewpoint of the balance of the flow rate of the condensate.
  • downstream first end portions 21 a of the plurality of first protrusions 21 and a plurality of second protrusions are offset from each other in the longitudinal direction.
  • the amount of deviation in the longitudinal direction between the first end 21a and the second end 31a the amount of deviation W1 when the first end 21a is on the downstream side of the second end 31a, and the first end 21a
  • the amount of deviation W2 in the upstream side of the second end 31a is present.
  • the shift amount W1 and the shift amount W2 are preferably equal from the viewpoint of the balance of the flow-down amount of the condensate, but are not particularly limited, and the shift amount W1 and the shift amount W2 may be different.
  • the downstream end of the ridge refers to the downstream end of the upstream long side of the ridge.
  • the lower limit of the longitudinal displacement amount W1 between the first end 21a and the second end 31a is preferably 0.1 mm, more preferably 0.6 mm, and still more preferably 1.0 mm.
  • an upper limit of average distance b2 5.8 mm is preferred, 4.5 mm is more preferred, and 3.5 mm is still more preferred. If the deviation amount W1 is less than the above lower limit, concentration of the condensate between the first end 21a and the second end 31a is not suppressed, and the condensate may not be properly dispersed. Conversely, if the displacement amount W1 exceeds the upper limit, there is a possibility that the condensate may not be properly induced along the first and second protrusions 21 and 31.
  • the lower limit and the upper limit of the deviation amount W2 are the same as W1.
  • the first area 2 and the second area 3 are spaced at substantially equal intervals via the gap area 4.
  • the gap region 4 is a band-like region parallel to the longitudinal direction of the first region 2 and the second region 3, and the first region 2 and the second region 3 are disposed in parallel across the gap region 4. . No unevenness such as a ridge is formed in the clearance area 4 and most of the condensate flows down the clearance area 4 while meandering.
  • the upper limit of the average distance X is preferably 4.0 mm, more preferably 3.5 mm, and still more preferably 3.0 mm. If the average distance X is less than the above lower limit, the condensate may not be discharged efficiently. Conversely, if the average distance X exceeds the upper limit, the condensate may not be properly induced along the first and second protrusions 21 and 31.
  • the metal original plate material 1 has a gap area 4 between the first area 2 and the second area 3, and the ends of the two types of ridges are shifted in the longitudinal direction of the first area 2 and the second area 3. Since it arranges, it is possible to suppress the concentration of the condensate between the ends of the two types of ridges and to disperse the condensate appropriately. Further, since the metal base plate 1 is provided with two types of ridges so that the crossing angle with the longitudinal direction of the first area 2 and the second area 3 is 10 degrees or more and 25 degrees or less, It is possible to discharge the condensate efficiently by suppressing the deceleration of the condensate.
  • the average distance b 1 between the first protrusions 21, the average distance b 2 between the second protrusions 31, and the average distance X between the first region 2 and the second region 3 are properly adjusted. As a result, the condensate can be discharged efficiently.
  • the metal original plate material 1 can appropriately disperse the condensate.
  • the metal original plate material used for the heat exchange plate of the present invention is not limited to the above embodiment.
  • the clearance area 4 has the 1st end 21a and the 2nd end It may be provided between the portions 31 a, and may not be provided between the upstream end of the first protrusion 21 and the upstream end of the second protrusion 31.
  • the heat passing rate is the inflow temperature of cold water to the back surface of the metal base plate, the outflow temperature of cold water from the back surface of the metal base plate, the heat transfer area of the metal base plate, the inflow temperature of the working medium and the cold water
  • the difference was calculated using the difference of the inflow temperature of
  • the surface of the metal base plate to be brought into contact with the working medium was as follows. No. 1 to No.
  • the metal base plate 2 of No. 2 is the metal base plate 1 of the above-described embodiment.
  • the metal base plate of No. 4 is a flat plate material having no ridges on the surface.
  • the third metal base plate has the same shape as the first protrusion and the second protrusion.
  • Metal original plate material of 2 Height h of the ridge: 0.05 mm, width a of the ridge in the lateral direction a: 0.125 mm, distance between the ridges b: 0.6 mm, the ridge and the longitudinal direction of the region where the ridge is provided Crossing angle ⁇ : 15 degrees, distance X between the areas in which the ridges are provided X: 0.49 mm, width Z in the width direction of the area in which the ridges are provided Z: 2.44 mm, longitudinal deviation between the ends of the ridges Amount W: 1.4 mm [No.
  • the heat transfer rate of the metal original plate material of No. 1 is 3592 W / m 2 ⁇ K, no.
  • the heat transfer rate of the metal base plate of No. 2 is 3436 W / m 2 ⁇ K, no.
  • the heat transfer rate of the metal base plate of No. 3 is 2518 W / m 2 ⁇ K, no.
  • the heat transfer rate of the metal original plate material of No. 4 is 2305 W / m 2 ⁇ K. 1 to No. It was confirmed that the metal original board material of 2 showed a high heat transfer rate.
  • No. 1 to No. It can be said that the heat passing rate of the metal original plate material is improved when the ridges are provided in an appropriate arrangement on the surface of the metal original plate material as in the metal original plate material of 2.
  • the metal base plate used for the heat exchange plate of the present invention can properly disperse the condensate of the working medium and can efficiently discharge the condensate.

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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)
  • Laminated Bodies (AREA)
PCT/JP2018/035935 2017-10-12 2018-09-27 熱交換プレートに用いられる金属製元板材 WO2019073807A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US16/651,810 US20200248975A1 (en) 2017-10-12 2018-09-27 Metal base plate material for heat exchange plate
EP18866789.3A EP3696487A4 (en) 2017-10-12 2018-09-27 METAL BASE PLATE MATERIAL FOR USE IN A HEAT EXCHANGE PLATE
CN201880061319.1A CN111108338B (zh) 2017-10-12 2018-09-27 用于热交换板的金属制基础板材
RU2020115479A RU2747945C1 (ru) 2017-10-12 2018-09-27 Листовой материал металлической основы для теплообменной пластины
KR1020207013118A KR102407924B1 (ko) 2017-10-12 2018-09-27 열교환 플레이트에 이용되는 금속제 원판재

Applications Claiming Priority (2)

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JP2017198590A JP6815965B2 (ja) 2017-10-12 2017-10-12 熱交換プレートに用いられる金属製元板材
JP2017-198590 2017-10-12

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US (1) US20200248975A1 (ko)
EP (1) EP3696487A4 (ko)
JP (1) JP6815965B2 (ko)
KR (1) KR102407924B1 (ko)
CN (1) CN111108338B (ko)
RU (1) RU2747945C1 (ko)
WO (1) WO2019073807A1 (ko)

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CN112179179A (zh) * 2020-09-02 2021-01-05 东南大学 一种用于折线型印刷电路板式换热器的强化传热减阻节能换热板

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JP6815965B2 (ja) 2021-01-20
JP2019074226A (ja) 2019-05-16
EP3696487A4 (en) 2021-06-16
KR20200062313A (ko) 2020-06-03
US20200248975A1 (en) 2020-08-06
CN111108338B (zh) 2021-08-13
EP3696487A1 (en) 2020-08-19
RU2747945C1 (ru) 2021-05-17
KR102407924B1 (ko) 2022-06-13
CN111108338A (zh) 2020-05-05

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