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Plate heat exchangers comprising external heat exchange plates with improved connections to end plates

A technology of plate heat exchanger and heat exchange plate, applied in the direction of indirect heat exchanger, heat exchanger type, heat exchanger shell, etc., can solve the problems of error-prone, increased production cost and maintenance cost, etc.

Active Publication Date: 2015-12-02
米尔恰·蒂努列斯库
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A disadvantage of the known heat exchanger is that in the connection between the central part of the heat exchanger and the frame, the latter sealing element is indispensable, since in use there are expected differences between the central part of the heat exchanger and the frame thermal expansion
Constructing and installing these sealing elements is a delicate and error-prone process, adding to production and maintenance costs

Method used

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  • Plate heat exchangers comprising external heat exchange plates with improved connections to end plates
  • Plate heat exchangers comprising external heat exchange plates with improved connections to end plates
  • Plate heat exchangers comprising external heat exchange plates with improved connections to end plates

Examples

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Embodiment Construction

[0018] figure 1 A perspective view of one embodiment of a plate heat exchanger 102 is schematically shown. The plate heat exchanger 102 includes a heat exchanger assembly 104 , end plates 106 , and end plate connectors 107 connecting the end plates 106 . In general, end plate connectors 107 may be provided to connect end plates 106 in multiple regions of end plates 106 . exist figure 1 In the embodiment, the end plate connector 107 includes an angle beam 108 connected to the end plate 106 in the angle beam connection area 118 .

[0019] The heat exchanger assembly 104 includes a set of heat exchange plates 112 and a pair of outer heat exchange plates 114 on opposite sides of the heat exchanger assembly 104 . Heat exchange plate 112 and outer heat exchange plate 114 are shown in a spaced apart and parallel configuration.

[0020] Also shown is end plate 106 , which is located near the opposite side of heat exchanger assembly 104 . The end plates 106 are shown parallel to t...

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PUM

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Abstract

A plate type heat exchanger (102) includes a heat exchanger assembly (104), end panels (106) and end panel connection members (107) connecting the end panels (106). The heat exchanger assembly (104) has a stack of heat exchanger plates (112) and a pair of outer heat exchanger plates (114) located on opposing sides of the heat exchanger assembly (104). At least one outer heat exchanger plate (114) is mechanically connected to an adjacent end panel (106) and has an outer main surface portion (122) facing the adjacent end panel (106) that is thermally connected to an end panel contacting region (125) of the adjacent end panel (106). The in-plane thermal expansion properties of the outer main surface portion (122) are identical to in-plane thermal expansion properties of the end panel contacting region (125).

Description

technical field [0001] The invention relates to a plate type heat exchanger. Background technique [0002] Conventional plate heat exchangers generally consist of a plurality of heat exchange plates forming spatially separated but thermally connected fluid channels through which fluid streams having different temperatures are allowed to flow. This allows for heat transfer from the hotter fluid to the cooler fluid. [0003] From US patent 5,383,516 a plate heat exchanger is known which has a heat exchanger assembly or core consisting of heat exchange plates which is sealed between corner beams and end beams. In a rigid frame composed of endplates. A resilient seal is provided between the central part and the housing. Four sealing elements are provided between the central part and the corner beams to avoid leakage of the fluid supplied to the fluid channel. In addition, two pairs of sealing elements are provided between the central portion and the top and bottom end plates...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D9/00F28F9/00
CPCF28D9/0037F28F9/001F28F2265/26F28D9/00F28D9/02F28F3/00F28F3/02F28F9/00F28F9/02
Inventor 米尔恰·蒂努列斯库
Owner 米尔恰·蒂努列斯库
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