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A heat exchanger with a screw flushing device

A technology of heat exchanger and screw type, applied in the direction of indirect heat exchanger, heat exchanger type, clean heat transfer device, etc. Heat exchange efficiency and other issues of the heat exchanger, to achieve the effect of convenient operation, guaranteed heat exchange effect, and convenient cleaning

Inactive Publication Date: 2020-03-10
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

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  • A heat exchanger with a screw flushing device
  • A heat exchanger with a screw flushing device
  • A heat exchanger with a screw flushing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as Figure 1~2 As shown: the heat exchanger 1 is a cylindrical shape with both ends closed, the heat exchanger 1 is arranged horizontally, and a plurality of heat exchange tubes 101 are arranged at intervals in the heat exchanger 1, and both ends of the heat exchange tubes 101 extend out for heat exchange At the corresponding end of the heat exchanger 1, the heat exchange tube 101 is arranged parallel to the axis of the heat exchanger 1, and a plurality of fins are arranged at intervals along the axial direction in the heat exchanger 1, and the fins are semicircular, and the heat exchange tube 101 passes through The fins are fixedly connected to the heat exchanger 1, which not only facilitates the installation of the heat exchange tube 101, but also increases the heat exchange area and improves the heat exchange efficiency. Both ends of the heat exchanger 1 are coaxially provided with flanges.

[0043] A water inlet tube is coaxially installed on the left end of t...

Embodiment 2

[0056] Such as Figure 8~11 As shown, the difference between Embodiment 2 and Embodiment 1 is that the heat exchange tubes 101 in the heat exchanger 1 are arranged in multiple rows at intervals, and each row is arranged with a plurality of heat exchange tubes 101 at intervals along the radial direction of the heat exchanger 1 . The transition cylinder 3 is only provided with a distribution plate 21, and a plurality of flushing pipes 17 are arranged on the distribution plate 21. The flushing pipes 17 are arranged at the end of the distribution plate 21 close to the heat exchanger 1, and the number of the flushing pipes 17 is the same as that contained in each column. The number of heat exchange tubes 101 is equal, and the distance between each flushing tube 17 and the center of the distribution plate 21 is equal to the distance between the corresponding heat exchange tubes 101 in each row and the center of the heat exchanger 1 . The side of the distribution plate 21 is provide...

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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 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/16F28G13/00F28G15/04
CPCF28G13/00F28G15/04
Inventor 马立修孙贤明申晋巩秀钢陈文钢孙霞王聪孙冬刘冲
Owner SHANDONG UNIV OF TECH
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