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High pressure port on peninsula

A peninsula, working pressure technology, applied in laminated components, reinforcement means, heat exchange equipment, etc., can solve the problems of high operating pressure and low performance of carbon dioxide

Inactive Publication Date: 2011-11-16
SWEP INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] One problem with using CO2 is the high operating pressure of CO2; other commonly used coolants (coolants) operate at pressures up to 40 bar, but CO2 systems must be able to withstand pressures of around 140 bar
This type of heat exchanger is efficient in terms of cost, performance, material requirements and space requirements, but until now, compact brazed exchangers have shown low performance

Method used

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  • High pressure port on peninsula
  • High pressure port on peninsula
  • High pressure port on peninsula

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] refer to figure 1 A heat exchanger plate 100 comprising a heat exchange area 110 is provided with an extruded structure of ridges and grooves (not shown) in a manner well known to those skilled in the art. The ridge and groove configuration of adjacent plates is adapted to provide flow passages by contacting the ridges of one plate with the grooves of an adjacent plate when the plates 100 are stacked on top of each other in a manner well known to those skilled in the art. The heat exchanger plate 100 also includes at least two low pressure openings 120 and two high pressure openings 130 . The openings are selectively in fluid communication with a flow channel formed by the ridges and grooves in the manner described below. The skirts 140 surround the heat exchange area 110 and are arranged such that two skirts of adjacent plates interact to form a seal between such adjacent plates by overlapping engagement between the adjacent skirts. Thereby, the flow passage formed b...

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PUM

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Abstract

A brazed plate heal exchanger (400) for exchanging heat between at least two media, wherein at least one of the media could have a working pressure of at least 50 bars, comprises a number of heat exchanger plates (100; 200) comprising a pressed pattern of ridges and grooves. Those are adapted to form flow channels for media to exchange heat flowing through said flow channels. The plates (100; 200) further comprises port openings (120, 130; 220; 300, 310) arranged to allow fluid communication with said flow channels and a skirt (140) extending around the periphery of the heat exchanger plates (100; 200). Skirts (140) of neighboring plates (100; 200) are arranged to contact one another in an overlapping manner in order to obtain a connection sealing the flow channels. At least one of said port openings (120, 130; 220; 300, 310) is placed on a peninsula (150) surrounded by the skirt (140) over at least 100 degrees.

Description

technical field [0001] The present invention relates to a heat exchanger comprising a plurality of heat exchanger plates comprising a pressed pattern of ridges and grooves, the ridges and grooves adapted to form flow channels for media to exchange heat flowing through said flow channels, said plate further comprising at least four port openings and a skirt arranged to allow communication with said flow The channels are in fluid communication, the skirt extends around the periphery of the heat exchanger plate, the skirt seals the flow channels. Background technique [0002] In the field of heat pumps, the recent trend is to use carbon dioxide as a refrigerant because carbon dioxide is known to have excellent COP values ​​(ie energy efficiency) in high temperature applications. In addition, carbon dioxide has little impact on the environment compared to refrigerants commonly used today. [0003] One problem with using carbon dioxide is the high operating pressure of carbon d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D9/00
CPCF28F3/046F28D9/005F28F2225/00
Inventor S·安德森S·霍贝格T·达尔贝里
Owner SWEP INT