WO2015129539A1 - Matériau de panneau de base destiné à être utilisé comme plaque d'échange de chaleur et procédé de fabrication dudit matériau de panneau de base - Google Patents

Matériau de panneau de base destiné à être utilisé comme plaque d'échange de chaleur et procédé de fabrication dudit matériau de panneau de base Download PDF

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Publication number
WO2015129539A1
WO2015129539A1 PCT/JP2015/054563 JP2015054563W WO2015129539A1 WO 2015129539 A1 WO2015129539 A1 WO 2015129539A1 JP 2015054563 W JP2015054563 W JP 2015054563W WO 2015129539 A1 WO2015129539 A1 WO 2015129539A1
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WIPO (PCT)
Prior art keywords
base plate
width
plate material
heat exchange
convex
Prior art date
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PCT/JP2015/054563
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English (en)
Japanese (ja)
Inventor
圭太郎 田村
藤井　康之
義男 逸見
大山　英人
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
Publication date
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 DK15755314.0T priority Critical patent/DK3104109T3/da
Priority to US15/120,912 priority patent/US20160363395A1/en
Priority to KR1020167026422A priority patent/KR101889637B1/ko
Priority to EP15755314.0A priority patent/EP3104109B1/fr
Priority to RU2016138147A priority patent/RU2650224C2/ru
Priority to CN201580009229.4A priority patent/CN106030234B/zh
Priority to PL15755314T priority patent/PL3104109T3/pl
Publication of WO2015129539A1 publication Critical patent/WO2015129539A1/fr

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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
    • 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
    • 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
    • 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
    • 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
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • 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
    • F28F21/086—Heat exchange elements made from metals or metal alloys from titanium or titanium 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
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/08—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes pressed; stamped; deep-drawn

Definitions

  • the present invention relates to a base plate material to be a heat exchange plate and a method for manufacturing the base plate material.
  • the heat exchange plate incorporated in a heat exchanger or the like has high heat transfer properties.
  • a method for transferring fine irregularities on the order of microns to the surface of a plate for example, techniques shown in Patent Document 1 and Patent Document 2 have been developed.
  • the transfer method to the metal plate surface disclosed in Patent Document 1 is a method of pressing the uneven transfer portion transferred to the outer peripheral surface of the transfer roll against the metal sheet transferred by the rotation of the transfer roll. .
  • a transferred portion having substantially the same uneven shape as the transfer portion of the transfer roll is formed on the surface of the metal sheet.
  • the base plate material of the heat exchange plate disclosed in Patent Document 2 is composed of a flat plate made of titanium having fine irregularities formed on the surface, and press processing is performed on the flat plate material as post-processing. It is a base plate material that becomes a heat exchange plate after a long time.
  • the shape parameter defined by the height of the convex portion ( ⁇ m) ⁇ [the width of the concave portion ( ⁇ m) / the pitch of the adjacent convex portion ( ⁇ m) / the angle of the convex portion (deg)] is 0.94. Unevenness on the surface of the base plate material is set so as to be as follows.
  • Patent Document 1 The technique disclosed in Patent Document 1 is to improve heat transfer by forming fine irregularities of micron order on the surface of a flat plate material and increasing the surface area in a heat exchange plate.
  • the original plate material (flat plate material) having fine irregularities formed on the surface rarely becomes a heat exchange plate as it is (that is, in a situation where the irregularities remain).
  • Patent Document 2 discloses a technique for solving the above-described problem of press formability of the base plate material.
  • the press formability of the base plate material is enhanced by defining the shape parameters of the irregularities formed on the surface of the heat exchange plate. Moreover, the convex part formed in the base plate material promotes turbulent flow and forced convection when incorporated in the heat exchanger, and improves condensation heat transfer.
  • the condensation heat transfer realized by the heat exchange plate is greatly affected by the discharge of the generated liquid.
  • the generated liquid is wet and spread by surface tension, and thus the effect of discharging the generated liquid is lower than expected (generated liquid) May be reduced). That is, the plate for heat exchange using the base plate material formed by using the technique of Patent Document 2 is difficult to improve the heat transfer property in the condensation heat transfer process.
  • corrugated shape formed by the technique of patent document 2 is low in height, and the turbulent flow promotion effect in the plate for heat exchange by the shape (because the convex part is not a continuous shape) is divided. May be lower than expected.
  • corrugated shape of patent document 2 has the contact area of the medium at the time of gas condensing into a liquid reduced with the liquid film produced
  • the liquid film generated when the heat exchanger is operated reduces the heat transfer performance of the heat exchange plate incorporated in the heat exchanger, so that the base plate material that becomes the heat exchange plate is manufactured. At that time, it is necessary to design the liquid film to be efficiently discharged and to make the liquid film thin.
  • An object of the present invention is to efficiently discharge a liquid film generated when a heat exchanger is operated and to form an unevenness so that the thickness of the liquid film becomes thin, without the unevenness being crushed.
  • the present invention provides a base plate material to be a heat exchange plate with improved heat transfer performance, and a method for manufacturing the base plate material.
  • the base plate material used as the heat exchange plate in the present invention is composed of a metal flat plate material having fine irregularities formed on the surface, and is used for heat exchange after the flat plate material is subjected to press working as post-processing.
  • a first strip disposed at an angle of + ⁇ and a second strip disposed at an angle of ⁇ with respect to the width direction of the base plate material, and the convex portion is the first strip.
  • the second strip portion are formed in a V shape.
  • the manufacturing method of the base plate material used as the heat exchange plate in the present invention is composed of a metal flat plate with fine irregularities formed on the surface, and after the flat plate is subjected to press working as post-processing.
  • the first protrusions are disposed on the plurality of convex portions with an angle of + ⁇ with respect to the width direction of the base plate material, and are disposed with an angle of ⁇ with respect to the width direction of the base plate material.
  • the plurality of convex portions are formed so that a V-shape is formed by the first strip portion and the second strip portion.
  • FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2. It is a figure for demonstrating the dimension of the uneven
  • the base plate 1 serving as a heat exchange plate is composed of a metal flat plate (for example, titanium material) having fine irregularities formed on the surface.
  • This base plate material 1 becomes a heat exchange plate (PHE plate) after the flat plate material is subjected to press processing as post-processing.
  • This heat exchange plate has high heat transfer performance in the condensation heat transfer process, and is incorporated in a heat exchanger or the like. That is, by pressing the base plate material 1, for example, a plurality of jagged convex portions generally called herringbones are formed on the surface of the heat exchanging plate in addition to the irregularities.
  • FIG. 1 is a diagram schematically showing the concavo-convex shape formed on the base plate 1 before becoming a heat exchange plate according to an embodiment of the present invention.
  • the vertical direction of the paper surface is the longitudinal direction or the vertical direction of the base plate material 1
  • the horizontal direction of the paper surface is the width direction of the base plate material 1.
  • FIG. 2 is a plan view (enlarged view of portion A in FIG. 1) showing the shape of the convex portion 2 formed on the base plate 1.
  • 3 is a cross-sectional view taken along line III-III in FIG.
  • the convex portion 2 includes a first strip portion 2a and a second strip portion 2b.
  • the first strip portion 2 a is disposed with an angle of + ⁇ with respect to the width direction of the base plate 1. That is, the first strip 2 a has a shape extending linearly in the direction of + ⁇ with respect to the width direction of the base plate 1.
  • the second strip 2b is disposed at an angle of ⁇ with respect to the width direction of the base plate 1.
  • the second strip portion 2 b has a shape that extends linearly in the direction of ⁇ with respect to the width direction of the base plate 1.
  • the convex part 2 is formed in V shape by the 1st strip part 2a and the 2nd strip part 2b.
  • first strips 2 a and the second strips 2 b are alternately arranged in the width direction of the base plate 1.
  • An extension line from one end of the first strip portion 2a and an extension line from one end of the second strip portion 2b are formed so as to intersect each other.
  • the extension line from the other end of the 1st strip part 2a and the extension line from the other end of the 2nd strip part 2b are formed so that it may cross
  • the convex part 2 is formed by forming a first strip 2a and a second strip 2b adjacent to the first strip 2a in a V shape in plan view.
  • the top 4 is formed at a location where the end and the end of the second strip 2b intersect.
  • the groove part 5 is formed in the top part 4 so that it may mention later, the 1st strip part 2a and the 2nd strip part 2b are mutually spaced apart.
  • the groove portion 5 may be omitted.
  • the 1st strip part 2a and the 2nd strip part 2b are mutually connected, and convex part 2 will be formed in the shape where a plurality of V characters repeat.
  • first strips 2a are arranged at equal intervals, and a plurality of second strips 2b are arranged at equal intervals.
  • the V-shape in the present embodiment refers to a shape like a saw blade edge and a shape in which strips facing different directions are alternately arranged in plan view.
  • the first strip portion 2a that extends straight is inclined at an angle of + ⁇ with respect to the width direction
  • the second strip portion 2b that extends straight corresponds to the width direction. Inclined by an angle of ⁇ . That is, in the width direction of the base plate material 1, the left-down first strips 2 a and the right-down second strips 2 b adjacent to the first strips 2 a are alternately arranged.
  • the first strip 2a is connected to another first strip 2a via the second strip 2b
  • the second strip 2b is connected to another second strip 2b via the first strip 2a. Has been.
  • the V-shaped convex portions 2 are formed so as to be lined up at a predetermined interval in the longitudinal direction of the base plate 1 in a plan view.
  • the V-shaped convex part 2 is composed of a plurality of side walls standing in the thickness direction of the base plate 1 and an upper wall connecting the upper ends (upper edges) of the side walls.
  • the convex part 2 of this embodiment is demonstrated as cross-sectional view as substantially rectangular shape
  • the convex part 2 formed in the surface 1a of the base plate material 1 is substantially trapezoid shape besides a substantially rectangular shape. Or a substantially mountain shape. That is, any cross-sectional shape may be used as long as it satisfies the dimensions of the convex portion 2 described later.
  • a groove 5 is formed in the base plate 1 used for the heat exchange plate according to the embodiment of the present invention.
  • This groove portion 5 is formed along the longitudinal direction of the base plate 1 at the top portion 4 where the first strip portion 2a and the second strip portion 2b constituting the convex portion 2 intersect.
  • the groove portions 5 (vertical groove portions) formed in the base plate material are formed so as to penetrate the top portions 4 arranged in the vertical direction of the base plate material 1 in a straight line. That is, in the convex part 2, the top part 4 which the 1st strip part 2a and the 2nd strip part 2b make is cut off, and the groove part 5 is formed. For this reason, the two concave portions 3 positioned so as to sandwich the convex portion 2 communicate with each other through the groove portion 5.
  • the vertical groove portion 5 has a width wider than the width of the concave portion 3 (lateral groove portion) formed between the V-shaped convex portion 2 and the adjacent convex portion 2. In FIG. 1 and FIG. 2, the width of the longitudinal groove portion 5 is drawn narrower than the width of the concave portion 3 for convenience.
  • the surface shape of the base plate 1 serving as the heat exchange plate according to the embodiment of the present invention has a shape like a drainage groove (tread pattern) carved on the ground contact surface of a tire used in an automobile or the like.
  • the lateral groove portion (concave portion) 3 is formed so as to open in the width direction with respect to the longitudinal groove portion 5 formed in the longitudinal direction of the base plate 1.
  • the base plate 1 When the base plate 1 has such a concavo-convex shape on the surface 1a, when it is used as a heat exchange plate, the flow of the condensed liquid generated in the heat exchanger is adjusted, and the longitudinal groove portion 5 is used. Thus, it can be quickly discharged in the longitudinal direction of the base plate material 1 (heat exchange plate), and turbulent flow and forced convection can be promoted to improve condensation heat transfer.
  • FIG. 4 is a diagram for explaining the dimensions of the concavo-convex shape formed on the base plate material 1.
  • FIG. 5 is a diagram for explaining the size of the shape of the convex portion 2 formed on the base plate 1 (an enlarged view of a portion B in FIG. 4 and a partially broken view showing a cross section).
  • FIG. 6 is a diagram showing experimental data performed to derive shape parameters.
  • FIG. 7 is a diagram showing the results of a condensation heat transfer performance test.
  • FIG. 8 is a diagram showing the relationship between the shape parameter of the convex portion 2 formed on the base plate 1 and the condensation heat transfer rate.
  • the height h of the convex part 2 is 0.02 mm or more and 0.1 mm or less
  • the width Wa of the convex part 2 is 0.08 mm or more and 1 mm or less.
  • the angle ⁇ formed by the convex portion 2 with respect to the width direction of the base plate 1 is set to 10 ° or more and 80 ° or less.
  • the width Wb of the recess 3 is 0.1 mm or more and 1 mm or less.
  • the width Wc of the vertical groove portion 5 is 0.5 mm or more and 500 mm or less.
  • Width pitch P 2 is a pitch between the longitudinal groove 5 adjacent to each other are and set to 1000mm or less 5mm or more.
  • the inventors of the present application when manufacturing the base plate 1 serving as a heat exchange plate, the height h of the convex portion 2, the width Wa of the convex portion 2, the angle ⁇ of the convex portion 2, the width Wb of the concave portion 3,
  • the inventors of the present application created a plurality of original plate materials 1 having different uneven shape dimensions, and examined the condensation heat transfer performance improvement rate of each original plate material 1.
  • the parameter A (h ⁇ Wb) is derived as 0.024 mm 2 and the parameter B (Wc / P 2 ) is 0.2.
  • the shape parameter “(A ⁇ B): h ⁇ Wb ⁇ [Wc / P 2 ] ” is derived as 0.0048 mm 2 .
  • the original plate material 1 (number 0) having the above-described uneven shape has a heat passage coefficient U of 1044 (W / m 2 K) in the heat exchanger.
  • the base plate 1 (No. 0) was found to have a 16% improvement in condensation heat transfer performance over the heat transfer coefficient U (900 (W / m 2 K)) of the conventional base plate (smooth surface). (Example).
  • the height h of the convex portion 2 is 0.05 mm
  • the width Wa of the convex portion 2 is 0.1 mm
  • the width Wb of the concave portion 3 is 0.4 mm
  • adjacent convex portions are adjacent convex portions.
  • the convex pitch P 1 of 2 is 0.5 mm
  • the angle ⁇ of the convex portion 2 is 45 °
  • the width Wc of the vertical groove portion 5 is 4 mm
  • the width pitch P 2 of the adjacent vertical groove portions 5 is 13.5 mm. Is formed.
  • the parameter A (h ⁇ Wb) is derived as 0.02 mm 2 and the parameter B (Wc / P 2 ) as 0.2963.
  • the shape parameter “h ⁇ Wb ⁇ [Wc / P 2 ] ” is derived as 0.0059 mm 2 .
  • the base plate material 1 (number 1) having the above-described uneven shape has a 20.6% improvement in condensation heat transfer performance over the conventional base plate material (Example).
  • the base plate material 1 shown by number 2 in FIG. 6 has a height h of the convex portion 2 of 0.04 mm, a width Wa of the convex portion 2 of 0.1 mm, a width Wb of the concave portion 3 of 0.4 mm, and adjacent convex portions.
  • the convex pitch P 1 of 2 is 0.5 mm
  • the angle ⁇ of the convex portion 2 is 45 °
  • the width Wc of the vertical groove portion 5 is 4 mm
  • the width pitch P 2 of the adjacent vertical groove portions 5 is 13.5 mm. Is formed.
  • the parameter A (h ⁇ Wb) is derived as 0.016 mm 2 and the parameter B (Wc / P 2 ) as 0.2963, and the shape parameter “h ⁇ Wb ⁇ [Wc / P 2 ] ”is derived as 0.0047 mm 2 .
  • the base plate material 1 (number 2) having the uneven shape described above has a 10% improvement in condensation heat transfer performance over the conventional base plate material (Example).
  • the base plate material 1 indicated by numbers 3 to 13 in FIG. 6 also has a condensing heat transfer performance improved by 5% or more as compared with the conventional base plate material 1 indicated by numbers 0 to 2. (Example).
  • the base plate indicated by reference numeral 14 in FIG. 6 has a height h of the convex part 2 of 0.03 mm, a width Wa of the convex part 2 of 0.1 mm, a width Wb of the concave part 3 of 0.3 mm, and adjacent convex parts.
  • Convex and concave shapes are formed with a convex pitch P 1 of the portion 2 of 0.4 mm, an angle ⁇ of the convex portion 2 of 45 °, a width Wc of the vertical groove portion 5 of 2 mm, and a width pitch P 2 of the adjacent vertical groove portions 5 of 9 mm.
  • the parameter A (h ⁇ Wb) is derived as 0.009 mm 2 and the parameter B (Wc / P 2 ) as 0.2222.
  • the shape parameter “h ⁇ Wb ⁇ [Wc / P 2 ] ” is derived as 0.002 mm 2 .
  • the inventors of the present invention are concerned with the unevenness formed on the surface 1a of the base plate material.
  • the shape parameter defined by height h (mm) ⁇ width Wb (mm) of recess 3 ⁇ [width Wc (mm) of groove 5 / width pitch P 2 (mm)] ” is 0.0025 mm 2 or more. It was found that is necessary.
  • the condensed liquid is accumulated by the fine concavo-convex shape formed by combining the V shape and the vertical groove formed on the surface. Emission can be promoted.
  • the film thickness of the condensed liquid can be reduced, and the contact area of the medium when the gas is condensed into the liquid can be increased. It can be formed so that the fine uneven shape of the material is not crushed.
  • the base plate material 1 according to the embodiment of the present invention is capable of manufacturing a heat exchange plate having a condensation heat transfer performance much superior to that of a conventional base plate material.
  • the material, plate thickness, external dimensions, surface 1 a of the base plate 1 The shape and size of the fine irregularities formed on the substrate are determined.
  • the shape of the unevenness is determined to be V-shaped, the size of the convex portion 22 in the V-shape, the size of the concave portion 3,
  • the pitch P 1 of the part 22, the dimension of the vertical groove part 5, and the pitch P 2 of the vertical groove part 5 are determined.
  • the height h is in the range of 0.02 mm to 0.1 mm
  • the width Wa is in the range of 0.08 mm to 1 mm
  • the angle ⁇ is 10 ° or more. And it shall be the range of 80 degrees or less.
  • the width Wb is set to a range of 0.1 mm or more and 1 mm or less.
  • a metal flat plate material for example, titanium material
  • the base plate material 1 is formed in a predetermined size.
  • the lubricating layer formed on the surface 1a of the base plate material is removed using a laser processing method, and the removed portion is pickled to form fine irregularities, thereby creating the base plate material 1 serving as a heat exchange plate.
  • the base plate 1 (having a very high heat transfer coefficient) can be manufactured.
  • the manufacturing method of this embodiment is suitable for manufacture of the base plate 1 which becomes a heat exchange plate using a flat plate made of titanium, it becomes a plate for heat exchange using a plate material made of aluminum alloy or a high ten plate.
  • the present invention can also be applied to the production of the original plate 1. That is, as long as the manufacturing method of the base plate material 1 used as the heat exchange plate of the present embodiment is made of metal, any plate material may be used.
  • the base plate material used as the heat exchange plate in the embodiment is composed of a metal flat plate having fine irregularities formed on the surface, and heat exchange is performed after the flat plate is subjected to press working as post-processing.
  • a plurality of protrusions formed at predetermined intervals, and each of the plurality of protrusions in a width direction of the original plate material.
  • a second strip disposed at an angle of ⁇ with respect to the width direction of the base plate material, and the convex portion is the first strip.
  • the strip and the second strip are formed in a V-shape.
  • a groove is formed on the top of the V-shape so as to be along the longitudinal direction of the original plate material.
  • the height of the convex portion is 0.02 mm or more and 0.1 mm or less
  • the width of the convex portion is 0.08 mm or more and 1 mm or less
  • the value of ⁇ is 10 ° or more and 80 ° or less
  • the width of the recesses between the projections is 0.1 mm or more and 1 mm or less
  • the pitch P 1 between adjacent projections is 0.2 mm or more and 2 mm or less.
  • the width of the groove is 0.5 mm or more and 500 mm or less.
  • the are grooves forming a plurality of the width pitch P 2 between grooves adjacent it may have been and is a 1000mm or less 5mm or more.
  • the shape parameter defined by the height of the convex portion (mm) ⁇ the width of the concave portion between the convex portions (mm) ⁇ [width of groove portion (mm) / width pitch P 2 (mm)] is 0.0025 mm.
  • the unevenness on the surface of the base plate material is preferably set so as to be 2 or more.
  • the manufacturing method of the base plate material used as the heat exchange plate in the present invention is composed of a metal flat plate with fine irregularities formed on the surface, and after the flat plate is subjected to press working as post-processing.
  • the first protrusions are disposed on the plurality of convex portions with an angle of + ⁇ with respect to the width direction of the base plate material, and are disposed with an angle of ⁇ with respect to the width direction of the base plate material.
  • the plurality of convex portions are formed such that the second strip portion is included and a V shape is formed by the first strip portion and the second strip portion.
  • a groove is formed on the top of the V shape so as to be along the longitudinal direction of the base plate.
  • the height of the convex portion is 0.02 mm or more and 0.1 mm or less
  • the width of the convex portion is 0.08 mm or more and 1 mm or less
  • the ⁇ is 10 ° or more and 80 ° or less.
  • the width of the concave portion between the convex portions is preferably 0.1 mm or more and 1 mm or less
  • the pitch P 1 between adjacent convex portions is preferably 0.2 mm or more and 2 mm or less.
  • the width of the groove is 0.5 mm or more and 500 mm or less.
  • the width pitch P 2 between the grooves adjacent may and to 1000mm or less 5mm or more.
  • the shape parameter defined by the height of the convex portion (mm) ⁇ the width of the concave portion between the convex portions (mm) ⁇ [width of groove portion (mm) / width pitch P 2 (mm)] is 0.0025 mm.
  • the unevenness on the surface of the base plate material may be designed so as to be 2 or more.
  • the liquid film generated when the heat exchanger is operated is efficiently discharged, and the thickness of the liquid film Can be formed so that the heat transfer performance can be improved without crushing the unevenness.

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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)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'objet de la présente invention est de fournir: un panneau de base destiné à être utilisé comme une plaque d'échange de chaleur qui permet une évacuation efficace d'un film liquide produit lorsqu'un échangeur de chaleur est actionné, qui comprend des saillies et des évidements formés de sorte que l'épaisseur du film liquide soit réduite, et pour lequel la conductivité thermique est améliorée sans perdre les saillies et évidements; et un procédé de fabrication d'un tel panneau de base. Le panneau de base (1) destiné à être utilisé comme une plaque d'échange de chaleur est composé d'un panneau métallique plat qui comporte des saillies et des évidements fins formés sur sa surface et un usinage à presse est exécuté sur le panneau métallique plat comme après-traitement. Les saillies et évidements comprennent une pluralité de saillies (2) formées à un intervalle prédéterminé entre eux. Les saillies de la pluralité de saillies (2) comprennent chacune une première arête (2a) disposée selon un angle de +θ par rapport à la direction de la largeur du panneau de base (1) et une seconde arête (2b) disposée selon un angle de -θ par rapport à la direction de la largeur du panneau de base (1). Les saillies (2) sont formées en forme de V par les premières arêtes (2a) et les secondes arêtes (b).
PCT/JP2015/054563 2014-02-27 2015-02-19 Matériau de panneau de base destiné à être utilisé comme plaque d'échange de chaleur et procédé de fabrication dudit matériau de panneau de base WO2015129539A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DK15755314.0T DK3104109T3 (da) 2014-02-27 2015-02-19 Plade til anvendelse som varmevekslerplade og fremgangsmåde til fremstilling af en sådan plade
US15/120,912 US20160363395A1 (en) 2014-02-27 2015-02-19 Plate for use as heat exchange plate and method for manufacturing such base plate
KR1020167026422A KR101889637B1 (ko) 2014-02-27 2015-02-19 열교환용 플레이트가 되는 원판재, 및 그 원판재의 제조 방법
EP15755314.0A EP3104109B1 (fr) 2014-02-27 2015-02-19 Plaque pour l'utilisation en tant que plaque d'échange de chaleur et procédé de fabrication de ladite plaque
RU2016138147A RU2650224C2 (ru) 2014-02-27 2015-02-19 Пластина для использования в качестве теплообменной пластины и способ изготовления такой базовой пластины
CN201580009229.4A CN106030234B (zh) 2014-02-27 2015-02-19 成为换热用板的原板材以及该原板材的制造方法
PL15755314T PL3104109T3 (pl) 2014-02-27 2015-02-19 Płyta służąca do wymiany ciepła i sposób wytwarzania takiej płyty

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JP2014036890A JP6219199B2 (ja) 2014-02-27 2014-02-27 熱交換用プレートとなる元板材、及びその元板材の製造方法
JP2014-036890 2014-02-27

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KR (1) KR101889637B1 (fr)
CN (1) CN106030234B (fr)
DK (1) DK3104109T3 (fr)
PL (1) PL3104109T3 (fr)
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CN109442806B (zh) * 2018-09-03 2020-11-10 广东工业大学 一种分液相变板式换热器及其应用
CN110926256B (zh) * 2019-11-06 2022-03-08 华为数字能源技术有限公司 换热板以及包含该换热板的换热器
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JP2015161449A (ja) 2015-09-07
JP6219199B2 (ja) 2017-10-25
KR20160121583A (ko) 2016-10-19
KR101889637B1 (ko) 2018-08-17
DK3104109T3 (da) 2021-03-01
RU2016138147A3 (fr) 2018-03-30
CN106030234B (zh) 2018-07-20
EP3104109A8 (fr) 2017-02-15
RU2016138147A (ru) 2018-03-30
US20160363395A1 (en) 2016-12-15
EP3104109A1 (fr) 2016-12-14
CN106030234A (zh) 2016-10-12
RU2650224C2 (ru) 2018-04-11
PL3104109T3 (pl) 2021-06-14
EP3104109B1 (fr) 2021-01-06
EP3104109A4 (fr) 2018-01-17

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