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Plate-fin heat exchanger with pressure-temperature control valve

A technology for plate-fin heat exchangers and temperature control valves, which is applied in the field of plate-fin heat exchangers, can solve problems such as core expansion, poor reliability, and core expansion, so as to improve work efficiency, reliability, and The effect of extending the service life

Inactive Publication Date: 2011-09-21
WUXI MAIXIN TECH INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the plate-fin heat exchangers of loaders and air compressors, when the oil inside the plate-fin heat exchanger has a high viscosity at low temperature and the pressure difference exceeds a certain limit, it is easy to cause the core to burst and cause the plate The finned heat exchanger is damaged and leaks oil and fails
At the same time, during normal operation, the system may experience instantaneous pulse high pressure, which will cause the core to burst and cause the plate-fin heat exchanger to be damaged, leak oil and fail
[0003] It can be seen that in the prior art, there is no plate-fin heat exchanger capable of both low-temperature overload protection and instantaneous high-voltage overload protection, and its reliability is poor and its service life is short.

Method used

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  • Plate-fin heat exchanger with pressure-temperature control valve
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Embodiment Construction

[0020] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0021] Plate-fin heat exchanger with pressure-temperature control valve, e.g. figure 1 As shown, including the core 3, the first head 2, the second head 5 and the bypass pipe 6, the first head 2, the core 3 and the second head 5 are connected in sequence, wherein the first head 2 and the second head 5 are respectively arranged on the right side and the left side of the core body 3, and the bypass pipe 6 is arranged on the upper side of the core body 3 and is located between the first head 2 and the second head 5. An oil inlet 4 is provided on the sealing head 2 , an oil outlet 7 is provided on the second sealing head 5 , and the first sealing head 2 communicates wit...

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Abstract

The invention relates to a plate-fin heat exchanger with a pressure-temperature control valve. The heat exchanger comprises a core body, a first end enclosure, a second end enclosure and a by-pass pipe, wherein the first end enclosure, the core body and the second end enclosure are connected sequentially; the first end enclosure is provided with an oil inlet; the second end enclosure is provided with an oil outlet; and the first end enclosure and the by-pass pipe are communicated through the pressure-temperature control valve. The plate-fin heat exchanger provided by the invention simultaneously has the capabilities of low-temperature overloading protection and instant high-pressure overloading protection, and is good in reliability and long in service life.

Description

technical field [0001] The invention relates to oil cooling equipment used in loaders, air compressors, etc., in particular to a plate-fin heat exchanger with a pressure-temperature control valve. Background technique [0002] At present, in the plate-fin heat exchangers of loaders and air compressors, when the oil inside the plate-fin heat exchanger has a high viscosity at low temperature and the pressure difference exceeds a certain limit, it is easy to cause the core to burst and cause the plate The finned heat exchanger is damaged and leaks oil and fails. At the same time, during normal operation, the system may experience instantaneous pulse high pressure, causing the core to swell and crack, causing damage to the plate-fin heat exchanger, oil leakage and failure. [0003] It can be seen that in the prior art, there is no plate-fin heat exchanger capable of both low-temperature overload protection and instantaneous high-voltage overload protection, and its reliability ...

Claims

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Application Information

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IPC IPC(8): F28D1/03F28F27/00
Inventor 陈福周廖多文钮娟娣
Owner WUXI MAIXIN TECH INDAL
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