High temperature heat exchanger

Abstract

The invention discloses a high-temperature-resistant heat exchanger. The high-temperature-resistant heat exchanger comprises a shell, a front tube plate, a rear tube plate, a plurality of heat exchange tubes and a tube pass inlet component, wherein the front tube plate and the rear tube plate are located at the front end and the rear end of the shell respectively, and the tube pass inlet component is located in front of the front tube plate. The shell is provided with an inner cavity. The front tube plate and the rear tube plate are each provided with a plurality of tube holes correspondingly, wherein the heat exchange tubes penetrate through the tube holes. The two ends of the heat exchange tubes penetrate through the tube holes in the front tube plate and the rear tube plate respectively and are contained in the inner cavity of the shell. One end of each heat exchange tube is fixedly connected with the rear tube plate. The other end of each heat exchange tube penetrates through the corresponding tube hole in the front tube plate, protrudes forwards and is movably connected with the front tube plate. The high-temperature-resistant heat exchanger further comprises heat-insulation packing, and the heat-insulation packing is arranged in front of the front tube plate and clamped between the adjacent heat exchange tubes. Compared with an existing high-temperature-resistant heat exchanger, the high-temperature-resistant heat exchanger has the advantages that a medium which is subjected to heat exchange and comes through the tube pass inlet component is directly and conveniently pressed on the front tube plate, and the shortcoming that the front tube plate has tensile deformation due to overheating is overcome.

Description

[0001] 【Technical field】 [0002] The invention relates to a high temperature resistant heat exchanger, in particular to a high temperature resistant heat exchanger which is convenient for heat exchange. [0003] 【Background technique】 [0004] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. [0005] Heat exchangers are widely used, such as radiator fins for heating in daily life, condensers in steam turbine devices, and oil coolers on space rockets, etc., are all heat exchangers. It is also widely used in chemical industry, petroleum, power, atomic energy and other industrial sectors. Its main function is to ensure the specific temperature required by the process for the medium, and it is also one of the main equipment to improve energy utilization. [0006] Please refer to the Chinese utility model patent No. 02258139.1 announced on November 5, 2003, which discloses a high-temperature heat exchange...

AI Technical Summary

Problems solved by technology

The tube sheet in the heat exchanger in the high temperature zone is directly connected to the inlet head of the tube side. When the heat exchange medium flows into the heat exchanger in the high temperature zone from the inlet head of the tube side, the heat exchange medium directly impacts the tube sheet , the heat exchange tubes are heated and deformed, which may generate tension on the heat exchange tubes, and sometimes even bend the heat exchange tubes, thereby affecting the service life of the high-temperature heat exchanger

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