Support fixed structure of spiral heat exchange tube

A technology of spiral heat exchange tube and fixed structure, which is applied in the direction of heat exchanger shell, heat exchange equipment, lighting and heating equipment, etc. The effect of small processing cycle, reduced interaction force, and improved compactness
CN101852569AActive Publication Date: 2010-10-06TSINGHUA UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2010-10-06

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Abstract

The invention discloses a support fixed structure of a spiral heat exchange tube, comprising a suspended rib plate, a bearing strip and a fixed strip, wherein the suspended rib plate is located at the top end of a heat exchange tube bundle and is used for bearing the weight of all heat exchange tubes and fluid media in the heat exchange tubes; the bearing strip is connected with the suspended rib plate, is located at the inner side of the heat exchange tube and comprises a load bearing strip and a latch, and the back surface of the load bearing strip and the reverse side of the latch are provided with limit grooves in which the latch of the bearing strip at an inner ring and the fixed strip are clamped; and the fixed strip is located on the outer side of the heat exchange tube and is provided with a hole at the position corresponding to the latch of the bearing strip so as to enable the end socket of the latch to penetrate through and be fixed with the fixed strip. The support fixed structure of the invention can solves the problems of high process difficulty, complex installation process and long assembly period of the existing hard support.
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Description

technical field

[0001] The invention relates to the technical field of thermal engineering, in particular to a supporting and fixing structure of a spiral heat exchange tube. Background technique

[0002] For spiral tube heat exchange tubes or steam generators, most of the world currently use hard support structures, such as the support structure of the heat exchange tubes of the German THTR thorium high temperature gas-cooled reactor steam generator and the HTR-MODULE high temperature gas-cooled reactor steam generator Support structure for heat exchange tubes. The heat transfer tube bundle is fixed on the support plate through a fixed structure. The fixed structure of the heat exchange tube bundle is double-layered, and the inner layer is two semicircular casings, and the outer surface of the casing has a certain taper. The outer structure is a complete sleeve, and the inner surface of the sleeve has a certain taper. The inner and outer tubes are fastened to each other, ...

Claims

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