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Baffling element of pipe shell type heat exchanger and working method thereof

A shell-and-tube heat exchanger and element technology, which is applied in the field of baffle elements, can solve the problems of easy wear of bellows and baffle plates, difficult for fluid to reach turbulent flow, unstable tube-side structure, etc., so as to improve surface heat transfer. coefficient, resistance to dirt and vibration, the effect of simplifying the installation

Pending Publication Date: 2017-10-17
ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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AI Technical Summary

Problems solved by technology

[0002] Traditional shell-and-tube heat exchangers usually use straight tube heat exchange tubes and bow-shaped baffles, which have problems such as low heat exchange efficiency, fast deposition of dirt in the heat exchanger, and difficult cleaning of dirt.
In recent years, the matching form of bellows and full-circle orifice has appeared, but the wear and tear between bellows and baffles is easy to occur, and pipe sleeves need to be added during installation, which increases the cost; in addition, the full-circle orifice and corrugated The structure of the tube fit is easy to cause the tube side structure to be unstable, the fluid is not easy to achieve turbulent flow, and the heat transfer effect is not good

Method used

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  • Baffling element of pipe shell type heat exchanger and working method thereof
  • Baffling element of pipe shell type heat exchanger and working method thereof
  • Baffling element of pipe shell type heat exchanger and working method thereof

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Embodiment Construction

[0019] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0020] Such as figure 1 As shown, the baffle element of a shell-and-tube heat exchanger according to the present invention includes a square-hole baffle 1 and a casing fixing plate 2; In the housing, it is used to fix the bellows 3; the square hole baffle plate 1 is a circular orifice plate matching the inner diameter of the housing, and a plurality of square through holes 11 are evenly distributed on it; the sleeve fixing plate 2 is embedded in the square through hole In the hole 11 , the inner side is tangent to the crest section of the bellows 3 .

[0021] Such as image 3 As shown, the casing fixing plate 2 is a square frame structure matched with the square through hole 11, and one of the right angle sides of the square frame structure is cut off by 1 / 4 side length respectively.

[0022] The sleeve fixing plate 2 is embedded in the through...

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Abstract

The invention relates to a baffling element of a pipe shell type heat exchanger and a working method thereof. The baffling element of the pipe shell type heat exchanger comprises a square hole baffle and a casing pipe fixing plate. The square hole baffle is transversely arranged in a shell of the pipe shell type heat exchanger and used for fixing a corrugated pipe. The square hole baffle is a circular hole plate matched with the inner diameter of the shell, and is uniformly provided with a plurality of square through holes. The casing pipe fixing plate is embedded into the square through holes, and the inner side of the casing pipe fixing plate is tangent to the wave crest portion of the corrugated pipe. By adopting the square hole baffle, the casing pipe fixing plate is arranged in the square through holes for fixing the corrugated pipe, the heat exchange effect of the heat exchanger shell pass can be effectively improved, the fluid turbulent degree is enhanced, vibration of the heat exchanger is reduced, and the problem of abrasion caused between a corrugated pipe bundle and a baffle plate is solved.

Description

technical field [0001] The invention relates to the technical field of fluid heat exchange, in particular to a baffle element of a shell-and-tube heat exchanger and a working method thereof. Background technique [0002] Traditional shell-and-tube heat exchangers usually use straight tube heat exchange tubes and bow-shaped baffles, which have problems such as low heat exchange efficiency, fast deposition of dirt in the heat exchanger, and difficult cleaning of dirt. In recent years, the matching form of bellows and full-circle orifice has appeared, but the wear and tear between bellows and baffles is easy to occur, and pipe sleeves need to be added during installation, which increases the cost; in addition, the full-circle orifice and corrugated The structure of the tube fit is easy to cause the tube side structure to be unstable, the fluid is not easy to achieve turbulent flow, and the heat exchange effect is not good. Contents of the invention [0003] The invention pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F9/24F28F9/013
CPCF28F9/0131F28F9/0138F28F9/24
Inventor 曲斌段有龙于涛
Owner ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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