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Plate heat exchanger

一种板式换热器、换热板片的技术，应用在间接换热器、换热器类型、热交换设备等方向，能够解决不具有等问题

Active Publication Date: 2009-12-02
ALFA LAVAL CORP AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the above-mentioned plate-type heat exchanger, which opens outwards to the surrounding sides and does not have any flanges bent down along the edges of each heat exchange plate, it is difficult to correct when installing the connecting plate package. Guided heat exchange plates

Method used

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  • Plate heat exchanger
  • Plate heat exchanger
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Examples

Experimental program
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Effect test

Embodiment Construction

[0022] refer to Figure 1 to Figure 5 , discloses an embodiment of a plate heat exchanger. The plate heat exchanger includes a plurality of heat exchange plates 1 , 2 . The heat exchange plates 1 and 2 are composed of a first heat exchange plate 1 and a second heat exchange plate 2 . In the plate heat exchanger, all the heat exchange plates 1, 2 have heat exchange function. Each heat exchange plate 1, 2 extends parallel to the main extension plane p, see image 3 . The extension plane p can be seen as extending through and parallel to the base plane of the respective heat exchange plates 1, 2 from which the planar heat exchange plates 1, 2 have been molded in a manner known per se , thereby obtaining an embossed pattern comprising a corrugated heat exchange pattern and a port region pattern.

[0023] The heat exchange plates 1 , 2 are arranged next to each other so that they form a plate assembly 3 with sides 4 which extend around the plate assembly 3 . The heat exchange...

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Abstract

A plate heat exchanger comprises a plurality of first and second heat exchanger plates (1, 2) provided beside each other for forming a plate package (3) having a surrounding edge side and first plate interspaces for a first medium and second plate interspaces for a second medium. A first heat exchanger plate (1) forms together with a second heat exchanger plate (2) a pair of heat exchanger plates, which encloses a first plate interspace. The plate package comprises a plurality of such pairs. Each heat exchanger plate has two portholes which form ports extending through the plate package and communicating with the first plate interspaces. The second plate interspaces are open through the enclosing edge side. Each first heat exchanger plate comprises a first bent part (21) which cooperates with a bent part (22) of a second heat exchanger plate in order to ensure that these two heat exchanger plates take a determined position in relation to each other. Each porthole of a first heat exchanger plate cooperates with a corresponding porthole of a second heat exchanger plate in order to ensure that each pair takes a determined position in relation to adjoining pairs.

Description

【Technical field】 [0001] The invention relates to a plate heat exchanger comprising a plurality of heat exchange plates according to the preamble of claim 1 . Such plate heat exchangers can be used in various fields, for example in combustion gas passages of combustion plants for obtaining heat energy from combustion gases. 【Background technique】 [0002] In the above-mentioned plate-type heat exchanger, which opens outwards to the surrounding sides and does not have any flanges bent down along the edges of each heat exchange plate, it is difficult to correct when installing the connecting plate package. The heat exchange plates are guided. It is therefore difficult to provide correct positioning of each heat exchange plate relative to the other heat exchange plates when the plate pack is installed and during joining of the heat exchange plates to each other, eg during subsequent brazing of the plate pack. Guiding and positioning the heat exchanger plates with today's tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F3/06F28D1/03F28D9/00
CPCF28F3/046F28D9/0043F28F2280/04F28D9/00F28D1/03F28F3/06F28D1/0316F28D1/0325F28F3/08F28F3/086
Inventor R·伯姆休尔特
Owner ALFA LAVAL CORP AB
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