EP0134155A1 - Wärmeübertragungsplatte - Google Patents

Wärmeübertragungsplatte Download PDF

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Publication number
EP0134155A1
EP0134155A1 EP84305698A EP84305698A EP0134155A1 EP 0134155 A1 EP0134155 A1 EP 0134155A1 EP 84305698 A EP84305698 A EP 84305698A EP 84305698 A EP84305698 A EP 84305698A EP 0134155 A1 EP0134155 A1 EP 0134155A1
Authority
EP
European Patent Office
Prior art keywords
gasket
groove
plate
bay
bays
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.)
Granted
Application number
EP84305698A
Other languages
English (en)
French (fr)
Other versions
EP0134155B1 (de
Inventor
Felix William Little Paddock Wright
Geoffrey Richard Evans
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.)
SPX Flow Technology Crawley Ltd
Original Assignee
APV International Ltd
APV UK 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 APV International Ltd, APV UK Ltd filed Critical APV International Ltd
Priority to AT84305698T priority Critical patent/ATE28358T1/de
Publication of EP0134155A1 publication Critical patent/EP0134155A1/de
Application granted granted Critical
Publication of EP0134155B1 publication Critical patent/EP0134155B1/de
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F28F3/10—Arrangements for sealing the margins

Definitions

  • This invention relates to plates for heat transfer apparatus, such as heat exchangers or evaporators.
  • heat is transferred between two thin, broad streams, which may be both of liquid or one stream of liquid and one stream of vapour or two streams of vapour, or in some cases one or both streams may have mixed liquid and vapour phases.
  • the streams are separated by plates assembled in a spaced face to face relationship to provide flow spaces between the adjacent faces of the plate.
  • the boundaries of the flow spaces are enclosed and sealed by flexible or resilient gaskets surrounding the flow spaces between the flow spaces and entry and exit ports.
  • the ports, in plate heat exchangers usually one at each corner of the plate, are similarly surrounded or part-surrounded by gaskets.
  • a substantially similar construction to that used in plate heat exchangers has also been employed in tissue-culture vessels, which makes advantageous use of the large surface area afforded by such a construction.
  • the gasketing contains a possibly pathogenic organism and in some embodiments is subjected to the thermal shock associated with steam cleaning, it is therefore of the utmost importance that the gaskets sealing ability is not compromised.
  • Each gasket is normally of a one piece construction set within a pressed groove formed in the plate.
  • the manufacture of the gasket is normally carried out in moulds, but according to the size of the plate or the manufacturing techniques used the gasket may be assembled from two or more smaller components.
  • the gaskets are normally moulded of an elastomeric material.
  • the sealing force against the fluid pressure in the flow space is obtained by compression of the gaskets in a direction normal to the plate surface and the resistance to gasket extrusion from the proper sealing position in the groove is normally enhanced by securing the gasket to the plate surface by the application of a system of adhesion, which is necessary in certain applications in order to minimise gasket movement which would result in leakage.
  • a system of adhesion which is necessary in certain applications in order to minimise gasket movement which would result in leakage.
  • Such movements can arise because changes in the loading condition of one gasket will alter the condition of the gasket on either side, and, perhaps of greater importance, the gaskets are assembled into the groove which is formed from this sheet material and which is therefore flexible.
  • This system of adhesion is frequently complex and time consuming, involving the application of an adhesive to both the gasket and the plate surface, and assembly of the two components together. According to the system which is adopted it may be necessary to prepare the mating surface of either component before assembly and it may be necessary to subject the assembled components to a
  • the gasket should be secured to a surface by fixing means such as a mask, or such as tabs which are attached to or integral with the gasket and are secured to the surface outside of the sealing area.
  • fixing means such as a mask, or such as tabs which are attached to or integral with the gasket and are secured to the surface outside of the sealing area.
  • a further known gasket as best illustrated in the U.S. Patent No. 4377204 teaches that the tab should lie in a trough, and be attached by the known oversize projection method related above.
  • a heat transfer plate at least partially bounded by a groove for receiving a gasket for general conformity therewith and to seal against an adjacent plate, wherein;
  • a gasket for use with a heat transfer plate at least partially bounded by a groove, the gasket being formed of a compressible material and having a number of spaced projections to correspond with a number of bays provided in an outer side wall of the gasket groove, the spaced projections engaging in and matching with the said bays on installation of the gasket in the groove, wherein each said projection is less thick in a direction normal to the plane of the said plate than the body of the gasket
  • At least one of the said bays is provided with means for securing the corresponding matching projection of the gasket thereto.
  • the means for securing the corresponding matching projection of the gasket comprise an aperture in the plate which co-operates with a stud provided on the gasket.
  • the gasket is provided with a peaked upper surface to engage and seal on an adjacent plate.
  • the invention also extends to combinations of the gaskets and heat transfer plates as disclosed herein.
  • Figure 1 shows an outline of a conventional heat exchanger plate in which the plate 1 has the usual and exit ports 2 and the central heat transfer area 3 surrounded by a resilient gasket 4.
  • the gasket 4 is mounted in a pressed groove 5 and attached to the plate by means of an oversize projection 6, which protrudes through a hole 11, at a fixing point located in a trough 7.
  • the gasket groove 19, as shown in Figure 3 is provided with lateral enlargements in the vertical wall 20 as shown at 11.
  • the width of the gasket groove is locally enlarged. It is proposed that between some or all of these enlargements the groove edge 20 should be formed as indication by the numeral 21 and as shown in Figure 4, to provide lateral bays 21 in the gasket groove.
  • the lateral bays 21 are provided with apertures 25 and protuberances l0 are provided on the gasket, being manufactured to such dimensions that the protruberances will be slightly compressed when entering the apertures so that the gasket 8 and plate 3 will remain assembled, but can be dis-assembled by pulling the gasket away from the plate.
  • the wider portions of the gasket groove are normally positioned to alternate one with another from plate to plate, and thus in this embodiment the protuberances 10 remain unaffected by compression when the plate pack is tightened to operable conditions, because the apertures 25 and protruberances 10 are well removed to one side of the sealing surface of the gaskets.
  • apertures 25 are not restricted in their placement to the. base of the bay 21 but may be located in the rear wall 27 of the said bay or where the bay has side walls, they may be located in such side walls.
  • the bay 30 is not located between two enlargements, but provided in the flat outer wall 31 of a gasket groove 32, having a floor 34.
  • An aperture 33 is provided in the base of the bay thereby enabling the gasket to be secured to the heat transfer plate.
  • the bay 30 is rectilinear rather than curvilinear as in the embodiment of figure 3.
  • FIG 7 an embodiment is illustrated in which the base 40 of the bay 41 is below the base of the groove 42, and the gasket 43 is so profiled as to enable the plates to be sealingly mated against one another.
  • the gasket may be formed with recesses in the exposed face adapted to seal against the adjacent plate to receive the ends of the projections from the gasket in the groove in that adjacent plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Gasket Seals (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Cookers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Central Heating Systems (AREA)
  • Gloves (AREA)
  • Power Steering Mechanism (AREA)
  • Basic Packing Technique (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP84305698A 1983-08-23 1984-08-21 Wärmeübertragungsplatte Expired EP0134155B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84305698T ATE28358T1 (de) 1983-08-23 1984-08-21 Waermeuebertragungsplatte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8322580 1983-08-23
GB08322580A GB2145511B (en) 1983-08-23 1983-08-23 Improved heat transfer apparatus

Publications (2)

Publication Number Publication Date
EP0134155A1 true EP0134155A1 (de) 1985-03-13
EP0134155B1 EP0134155B1 (de) 1987-07-15

Family

ID=10547696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84305698A Expired EP0134155B1 (de) 1983-08-23 1984-08-21 Wärmeübertragungsplatte

Country Status (10)

Country Link
EP (1) EP0134155B1 (de)
JP (2) JPS61500035A (de)
KR (1) KR930004211B1 (de)
AT (1) ATE28358T1 (de)
BR (1) BR8407032A (de)
CA (1) CA1266044A (de)
DE (1) DE3464798D1 (de)
DK (1) DK155469C (de)
GB (1) GB2145511B (de)
WO (1) WO1985001100A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013310A1 (en) * 1990-02-21 1991-09-05 Hisaka Works Limited Plate-type heat exchanger
EP0450188A1 (de) * 1990-04-05 1991-10-09 Cipriani Scambiatori S.R.L. Dichtungsvorrichtung für eine Platte eines Wärmetauschers und Wärmetauscher mit solcher Vorrichtung
EP0600189A1 (de) * 1992-11-20 1994-06-08 BDAG Balcke-Dürr Aktiengesellschaft Plattenwärmetauscher
EP0730133A3 (de) * 1990-09-28 1998-01-14 Matsushita Refrigeration Company Wärmetauscher mit gestapelten Platten
DE10035776C1 (de) * 2000-07-22 2001-12-13 Gea Ecoflex Gmbh Plattenwärmetauscher
US9212854B2 (en) 2008-12-16 2015-12-15 Alfa Laval Corporate Ab Plate and gasket for a plate heat exchanger

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3616745A1 (de) * 1986-05-17 1987-11-19 Moll Hermann Dipl Ing Fh Plattenwaermeaustauscher
US4905758A (en) * 1989-07-03 1990-03-06 Tranter, Inc. Plate heat exchanger

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB493490A (en) * 1938-02-19 1938-10-10 Edwin Prestage Improvements in or relating to plate-type heat-exchange units
GB513724A (en) * 1937-04-15 1939-10-20 Aluminium Plant & Vessel Co Improvements in or relating to the construction or formation of sheet-metal elements of build-up or plate-type heat exchangers
FR2156131A1 (de) * 1971-10-08 1973-05-25 Alfa Laval Ab
FR2295389A1 (fr) * 1974-12-20 1976-07-16 Apv Co Ltd Perfectionnements apportes aux echangeurs thermiques a plaques
GB2028996A (en) * 1978-08-30 1980-03-12 Apv Co Ltd Plate-type heat transfer apparatus
US4377204A (en) * 1980-04-30 1983-03-22 Alfa-Laval Ab Plate heat exchanger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE832975C (de) * 1946-07-06 1952-03-03 Pneumatiques Et Caoutchouc Man Dichtung
JPS5664294A (en) * 1979-06-18 1981-06-01 Hisaka Works Ltd Gasket for plate type heat exchanger
GB2075656B (en) * 1980-05-01 1983-12-21 Apv Co Ltd Improved heat transfer apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB513724A (en) * 1937-04-15 1939-10-20 Aluminium Plant & Vessel Co Improvements in or relating to the construction or formation of sheet-metal elements of build-up or plate-type heat exchangers
GB493490A (en) * 1938-02-19 1938-10-10 Edwin Prestage Improvements in or relating to plate-type heat-exchange units
FR2156131A1 (de) * 1971-10-08 1973-05-25 Alfa Laval Ab
FR2295389A1 (fr) * 1974-12-20 1976-07-16 Apv Co Ltd Perfectionnements apportes aux echangeurs thermiques a plaques
GB2028996A (en) * 1978-08-30 1980-03-12 Apv Co Ltd Plate-type heat transfer apparatus
US4377204A (en) * 1980-04-30 1983-03-22 Alfa-Laval Ab Plate heat exchanger

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013310A1 (en) * 1990-02-21 1991-09-05 Hisaka Works Limited Plate-type heat exchanger
AU633197B2 (en) * 1990-02-21 1993-01-21 Hisaka Works Limited Plate-type heat exchanger
EP0450188A1 (de) * 1990-04-05 1991-10-09 Cipriani Scambiatori S.R.L. Dichtungsvorrichtung für eine Platte eines Wärmetauschers und Wärmetauscher mit solcher Vorrichtung
EP0730133A3 (de) * 1990-09-28 1998-01-14 Matsushita Refrigeration Company Wärmetauscher mit gestapelten Platten
EP0600189A1 (de) * 1992-11-20 1994-06-08 BDAG Balcke-Dürr Aktiengesellschaft Plattenwärmetauscher
DE10035776C1 (de) * 2000-07-22 2001-12-13 Gea Ecoflex Gmbh Plattenwärmetauscher
EP1176381A2 (de) 2000-07-22 2002-01-30 GEA Ecoflex GmbH Plattenwärmetauscher
US6513584B2 (en) 2000-07-22 2003-02-04 Gea Ecoflex Gmbh Plate heat exchanger
EP2045557A1 (de) 2000-07-22 2009-04-08 GEA Ecoflex GmbH Plattenwärmeaustauscher
US9212854B2 (en) 2008-12-16 2015-12-15 Alfa Laval Corporate Ab Plate and gasket for a plate heat exchanger

Also Published As

Publication number Publication date
BR8407032A (pt) 1985-07-30
JPS61500035A (ja) 1986-01-09
WO1985001100A1 (en) 1985-03-14
ATE28358T1 (de) 1987-08-15
GB2145511A (en) 1985-03-27
EP0134155B1 (de) 1987-07-15
KR850700065A (ko) 1985-10-21
DK155469C (da) 1989-08-14
GB8322580D0 (en) 1983-09-28
JPH0640682U (ja) 1994-05-31
DE3464798D1 (en) 1987-08-20
DK179685A (da) 1985-04-22
DK155469B (da) 1989-04-10
JPH0717956Y2 (ja) 1995-04-26
KR930004211B1 (ko) 1993-05-21
GB2145511B (en) 1986-09-03
DK179685D0 (da) 1985-04-22
CA1266044A (en) 1990-02-20

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