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Arc-shaped closed-structure heat exchanger for descaling with sound waves

An arc-shaped heat exchanger technology, applied in the direction of indirect heat exchangers, heat exchanger types, heat exchange equipment, etc., can solve the problems of circulation, secondary pollution of cooling water, high cleaning costs, labor and time, etc. Achieve good heat transfer effect, good suction effect, improve high heat resistance and high thermal conductivity

Inactive Publication Date: 2014-07-23
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this method are: ① cause secondary pollution of circulation and cooling water, ② high cleaning cost
Manual cleaning is time-consuming and inefficient

Method used

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  • Arc-shaped closed-structure heat exchanger for descaling with sound waves
  • Arc-shaped closed-structure heat exchanger for descaling with sound waves
  • Arc-shaped closed-structure heat exchanger for descaling with sound waves

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Embodiment Construction

[0049] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] In this article, if there is no special explanation, when it comes to formulas, " / " means division, and "×" and "*" mean multiplication.

[0051]A heat exchanger 17 with an arc-shaped closed structure for acoustic wave descaling, including an upper header 1, a lower header 3 and a finned tube 4 connecting the upper header 1 and the lower header 3, the finned tube 4 includes a circular base tube 5 and a first fin 6 and a second fin 9, the first fin 6 and the second fin 9 are arranged on the outside of the base tube 5 and the first fin 6 and the second fin 9 The extension line intersects the central axis of the substrate pipe where the center of circle of the substrate pipe 5 is located, and the first fin 6 and the second fin 9 are mirror-symmetrical along the first plane B passing through the central axis of the substrate pipe; the f...

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Abstract

The invention provides an arc-shaped closed-structure heat exchanger for descaling with sound waves. The heat exchanger comprises an upper collecting pipe, a lower collecting pipe and an arc-shaped closed finned pipe connected with the upper collecting pipe and the lower collecting pipe, the heat exchanger comprises a descaling device, superaudio frequency pulse signals are sent by a main engine of an automatic scale prevention device and are converted by an energy converter to generate superaudio frequency pulse vibration, the superaudio frequency pulse vibration acts on water in the metal pipe of the energy converter, the superaudio frequency pulse vibration enables high-speed microflow and a cavitation effect to be generated between the metal pipe and the water, scales are prevented from being formed, heat exchanging resistance is reduced, heat exchange efficiency maximization is achieved to save energy, and the aim of environment protection and energy saving is achieved.

Description

technical field [0001] The invention belongs to the field of heat exchangers, in particular to a heat exchanger with descaling function. Background technique [0002] Petrochemical, oil refining, steel, thermal power and many other enterprises use a large amount of cooling and circulating water for heat exchange in the production process. Heat exchangers and pipes connected to other devices, due to the presence of various acids, alkalis, salt ions and other organic impurities in the water, scales are easily formed on the inner walls of the heat exchangers under high heat conditions, and the scale layers accumulate thicker and thicker, making heat exchange difficult. Efficiency is greatly reduced, causing great waste of heat energy. In addition, fouling poses a serious threat to the safe production of heat exchangers. Therefore, the heat exchanger and piping must be descaled regularly. The commonly used method is manual or chemical cleaning. Chemical cleaning is to add ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D1/053F28F1/14F28G7/00F28F19/02
Inventor 张冠敏冷学礼范明秀朱军师艳平
Owner SHANDONG UNIV
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