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A shell-and-tube heat exchanger that detects vibration based on temperature

A technology of shell-and-tube heat exchangers and heat exchangers, which is applied in the direction of indirect heat exchangers, heat exchanger types, vibration cleaning, etc., can solve problems such as too long hysteresis cycle, and achieve improved heat exchange efficiency and optimal heating Efficiency, good descaling and heating effect

Active Publication Date: 2022-04-05
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in practice, it is found that if the vibration of the tube bundle is adjusted through fixed periodic changes, there will be hysteresis and the period will be too long or too short

Method used

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  • A shell-and-tube heat exchanger that detects vibration based on temperature
  • A shell-and-tube heat exchanger that detects vibration based on temperature
  • A shell-and-tube heat exchanger that detects vibration based on temperature

Examples

Experimental program
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Embodiment Construction

[0026] A shell-and-tube heat exchanger, such as Figure 5 As shown, the shell-and-tube heat exchanger includes a shell 11, a heat exchange component 10, a shell side inlet connection 5 and a shell side outlet connection 6; the heat exchange component 10 is arranged in the shell 11, and the heat exchange component It is fixedly connected to the front tube sheet 14 and the rear tube sheet 17; the shell-side inlet connecting pipe 5 and the shell-side outlet connecting pipe 6 are both arranged on the shell 11; the fluid enters from the shell-side inlet connecting pipe 5 and passes through the heat exchange components. For heat exchange, take over the outlet 6 of the shell side to go out.

[0027] The ends 18-20 of the two ends of the lower tube box and the upper tube box are arranged in the openings of the front and rear tube sheets 14, 17 for fixing.

[0028] figure 1 A top view of the heat exchange component 10 is shown, such as figure 1 As shown, the heat exchange component ...

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Abstract

The invention provides a shell-and-tube heat exchanger, comprising a shell, tube sheets are respectively arranged at both ends of the shell, and a temperature detection element is arranged inside the heat exchange component for detecting the temperature inside the heat exchange component. The detection element is connected with the controller in data, and the controller controls whether the electric heater performs heating according to the detected temperature. The heat exchanger of the present invention can judge whether it has reached a stable state according to the internal temperature, and then intelligently control the heating of the electric heater according to the internal temperature, so that the internal fluid can vibrate frequently and achieve good descaling and heating effect.

Description

technical field [0001] The invention relates to a shell-and-tube heat exchanger, in particular to a shell-and-tube heat exchanger with intermittent vibration descaling. Background technique [0002] Shell-and-tube heat exchangers are widely used in chemical, petroleum, refrigeration, nuclear energy and power industries. Due to the worldwide energy crisis, in order to reduce energy consumption, the demand for heat exchangers in industrial production is also increasing. The quality requirements for heat exchangers are also getting higher and higher. In recent decades, although compact heat exchangers (plate, plate-fin, press-welded plate heat exchangers, etc.), heat pipe heat exchangers, direct contact heat exchangers, etc. have been developed rapidly, but due to the The heat exchanger has a high degree of reliability and wide adaptability, and it still occupies a dominant position in output and consumption. According to relevant statistics, the current consumption of shell-a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/10F28G7/00F28G15/00
CPCF28D7/10F28G7/00F28G15/003
Inventor 田茂诚孙晨邱燕刘磊于耀朱玉熙张冠敏冷学礼柏超魏民张井志
Owner SHANDONG UNIV