Inner diversion type self-tightening hanging part of heat exchange tube

Abstract

The invention discloses an inner diversion type self-tightening hanging part of a heat exchange tube, mainly comprising a hollow shaft, a connecting rod, a support table and an extension end, wherein the hollow shaft, the support table and the extension end are respectively a concentric cylindrical body with an inner hole, the diameter of the inner hole of the hollow shaft is a little bigger than the diameter of a rotary shaft, the hollow shaft and the support table are fixedly connected through the connecting rod, the outer diameter of the extension end is a little bigger than the inner diameter of the heat exchange tube, the diameter of the support table is equal to the diameter of the extension end, the outer diameter of the support table is bigger than the outer diameter of the heat exchange tube and smaller than the center distance of two nearest heat exchange tubes in a heat exchanger, the support table is fixedly connected with the extension end, a section of notch is respectively arranged at the middle position of two adjacent connecting rods on the support table and the extension end, the notches of the support table and the extension end are beneficial to the stretching of the extension end in the radial direction and are beneficial to the installation of the hanging part and the tightening in the heat exchange tube, the notch of the extension end is beneficial to reducing the resistance to a fluid and saving the cost, and a diversion surface of the support table and a spiral groove structure have certain effects of heat transfer enhancement and scale control and removal.

Description

technical field [0001] The invention relates to a support element for an interpolation element used in heat exchange tubes for strengthening heat transfer and antifouling and decontamination in shell-and-tube heat exchangers, heat exchange reactors and other equipment. Background technique [0002] With the continuous progress of society in the 21st century, energy saving and emission reduction in today's society is a key technology that the whole world attaches great importance to, especially in many fields such as petroleum, chemical industry, thermal power, nuclear power, metallurgy, light industry, aviation devices and ship vehicles. It has to be applied to many heat exchangers, the most widely used is the shell and tube heat exchanger, but in these heat exchange tubes, there are generally layered dirt on the inner wall, which leads to an increase in the resistance of the fluid in the pipeline, and in severe cases, it will be blocked. At the same time, the heat transfer ...

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Problems solved by technology

[0002] With the continuous progress of society in the 21st century, energy saving and emission reduction in today's society is a key technology that the whole world attaches great importance to, especially in many fields such as petroleum, chemical industry, thermal power, nuclear power, metallurgy, light industry, aviation devices and ship vehicles. It has to be applied to many heat exchangers, the most widely used is the shell and tube heat exchanger, but in these heat exchange tubes, there are generally layered dirt on the inner wall, which leads to an increase in the resistance of the fluid in the pipeline, and in severe cases, it will be blocked. At the same time, the heat transfer performance is greatly reduced; the dirt in the heat exchange tube will seriously reduce the heat transfer efficiency and cause a major waste of energy. The traditional solution is to be forced to stop production and ask professional cleaning personnel to clean, which not only delays the production progress of the factory, but also needs to pay expensive cleaning fees; in order to better solve this problem, people have been studying the use of non-stop production Various methods and devices for automatically enhancing heat transfer and descaling and anti-scaling on-line

The pendant installed at the end of the heat exchange tube will reduce the flow of fluid inflow, and because the heat exchange tube will be deformed during the installation and use of the heat exchanger, from round to oval or other shapes, resulting in the installation of the pendant It will be more laborious and time-consuming

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