Plate heat exchanger

a technology of heat exchanger and plate, which is applied in the direction of lighting and heating apparatus, washing machines, fastening devices, etc., can solve the problems reducing and long time, and achieves the effect of increasing the operational time of the plate heat exchanger
US20130284412A1Inactive Publication Date: 2013-10-31ALFA LAVAL CORP AB
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
ALFA LAVAL CORP AB
Publication Date
2013-10-31
Estimated Expiration
Not applicable · inactive patent

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Abstract

A plate heat exchanger comprising a set of heat exchanger plates arranged between a frame plate and a pressure plate. A guide bar guides the set of heat exchanger plates and the pressure plate relatively the frame plate, a tightening member is arranged on the guide bar and a plate engager is arranged intermediate the tightening member and the pressure plate for allowing the tightening member to press the pressure plate in a direction towards the frame plate. The plate engager is releasable and the tightening member is configured to protect the guide bar, such that the pressure plate may move in a direction from the frame plate and past the tightening member when the plate engager is released. A related method is also described.
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Description

TECHNICAL FIELD

[0001] The invention relates to a plate heat exchanger where a guide bar guides a set of heat exchanger plates and a pressure plate relatively a frame plate.BACKGROUND ART

[0002] Plate heat exchangers are typically provided with a number of heat exchanger plates that are stacked between a frame plate and a pressure plate. Gaskets are often arranged between the heat exchanger plates, for example in applications where the plate heat exchanger should be opened for cleaning and maintenance of the heat exchanger plates, or when one or more heat exchanger plates should be replaced, added or removed.

[0003] The heat exchanger plates are pressed together by tightening bolts that extend from the pressure plate to the frame plate. An arrangement of parallel flow channels that are sealed by the gaskets are formed between the heat exchanger plates for bringing two fluids at different temperatures thermally close to each other, which allows heat to be transferred from one of the fluids...

Claims

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