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A METHOD OF PRODUCING HEAT TRANSFER PLATES; AN ASSORTMENT OF HEAT TRANSFER PLATES; AND A PLATE HEAT EXCHANGER COMPRISING HEAT TRANSFER PLATES INCLUDED IN THE ASSORTMENT
A METHOD OF PRODUCING HEAT TRANSFER PLATES; AN ASSORTMENT OF HEAT TRANSFER PLATES; AND A PLATE HEAT EXCHANGER COMPRISING HEAT TRANSFER PLATES INCLUDED IN THE ASSORTMENT
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机译:一种制造传热板的方法;传热板的附件;以及包括在该附件中的传热板的板式换热器
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摘要
In a plate heat exchanger heat transfer plates abut against each other in such a way that heat transfer passages are formed therebetween, port holes provided in the heat transfer plates forming port channels through the plate heat exchanger. Between the heat transfer portion (15) of a heat transfer plate (2) and a port hole (14) forming a part of a port channel, that constitutes an inlet for a refrigerant, the heat transfer plate (2) has a passage portion (16). The passage portion (16) is adapted to delimit a distribution passage between the heat transfer plate (2) and an adjacent heat transfer plate, through which distribution passage the refrigerant is intended to flow from the inlet port channel to the heat transfer passage between the heat transfer plates. In the distribution passages the refrigerant shall be subjected to a pressure drop. According to the invention the pressure drop can be given different magnitudes by punching of different kinds of port holes (14) in the heat transfer plates.
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