A heat exchanger with a screw flushing device

Abstract

A heat exchanger with a screw type flushing device belongs to the technical field of heat exchanger cleaning. It is characterized in that: each flushing chamber (16) is provided with a plurality of flushing pipes (17) on the side close to the heat exchanger (1), and the flushing pipes (17) correspond to the heat exchange pipes (101) one by one and correspond to the corresponding The heat exchange tubes (101) are arranged coaxially, and the pushing mechanism is connected with the flushing chambers (16) one by one and pushed to move in translation, so that the flushing pipes (17) communicate with the water inlet ends of the corresponding heat exchange tubes (101); the pushing mechanism includes Feed motor (4), conversion motor (5), shift fork (19) and screw rod (11), the nut (1901) that is threadedly connected with screw rod (11) is arranged on the shift fork (19), feed motor (4 ) is connected with the screw rod (11), and the conversion motor (5) is connected with the nut (1901). The utility model has a screw-type flushing device to realize the online cleaning of the heat exchanger without hindering the use of the heat exchanger.

Description

technical field [0001] A heat exchanger with a screw type flushing device belongs to the technical field of heat exchanger cleaning. Background technique [0002] The shell-and-tube heat exchanger, also known as the shell-and-tube heat exchanger, is a wall-type heat exchanger that uses the wall of the tube bundle enclosed in the shell as the heat transfer surface. This heat exchanger has a simple structure, reliable operation, and can be used in various Made of structural materials (mainly metal materials), it can be used under high temperature and high pressure, and is currently the most widely used type. [0003] Oil fields usually use shell-and-tube heat exchangers to recover geothermal energy in oil fields, so as to use geothermal heat to increase oil temperature, reduce oil viscosity, and facilitate oil transportation. Because the water in the oil field contains too much oil and impurities, when using There will be scale in the heat exchange tube of the shell and tube ...

AI Technical Summary

Problems solved by technology

[0003] Oil fields usually use shell-and-tube heat exchangers to recover geothermal energy in oil fields, so as to use geothermal heat to increase oil temperature, reduce oil viscosity, and facilitate oil transportation. Because the water in the oil field contains too much oil and impurities, it is necessary to There will be scale in the heat exchange tube of the shell and tube heat exchanger. The existence of scale will affect the heat exchange efficiency of the heat exchanger, hinder the flow of water through the heat exchange tube, and affect the use of the heat exchanger. Therefore, it is necessary to replace it regularly. The heat exchanger is cleaned, but in the existing cleaning process, it is necessary to stop using the heat exchanger before cleaning the heat exchanger, which affects the use of the heat exchanger, and because the cleaning cycle is short, it is necessary to stop the heat exchange frequently The use of the heat exchanger greatly affects the use of the shell-and-tube heat exchanger, and the cleaning is not thorough

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