Ultrasonic descaling energy converter for plate heat exchanger and descaling method of ultrasonic descaling energy converter

A plate heat exchanger, ultrasonic technology, applied in the direction of cleaning heat transfer devices, lighting and heating equipment, vibration cleaning, etc., can solve the problems of not being suitable for long-term work, mechanical damage of plates, affecting service life, etc., and achieve high descaling Efficiency, reliability, and long mechanical life

Pending Publication Date: 2017-08-15
HARBIN NORMAL UNIVERSITY
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Problems solved by technology

When it is welded on the heat exchange plate, it will cause mechanical damage to the plate and affect the service life; when it is welded on the pipeline, the descaling effect will be greatly reduced due to the vibration isolation of the sealing materi

Method used

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  • Ultrasonic descaling energy converter for plate heat exchanger and descaling method of ultrasonic descaling energy converter
  • Ultrasonic descaling energy converter for plate heat exchanger and descaling method of ultrasonic descaling energy converter

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 , 2 As shown, the present invention provides an ultrasonic descaling transducer for a plate heat exchanger, comprising: a radiating surface 1, the radiating surface 1 is a flat horn-shaped structure, and the bottom of the radiating surface 1 is equipped with several magnetic The telescopic rod 2, the other end of the magnetostrictive rod 2 is equipped with a rear cover 4, the bottom of the radiation surface 1 and the rear cover 4 clamp the magnetostrictive rod 2 by a fastening device, and the magnetostrictive rod 2 is A coil 3 is wound. The radiating surface 1 includes a flat radiating surface 11 and arc-shaped radiating surfaces 12 symmetrically arranged on both sides of the flat radiating surface 11. The symmetrically arranged arc-shaped radiating surfaces 12 form a trumpet-shaped structure, and the main The function is to gather radiant ...

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Abstract

The invention discloses an ultrasonic descaling energy converter for a plate heat exchanger and a descaling method of the ultrasonic descaling energy converter. The ultrasonic descaling energy converter comprises a radiant surface. The radiant surface is of a flat horn-shaped structure. Multiple magnetostriction rods are mounted at the bottom of the radiant surface. A rear cover plate is mounted at the other ends of the magnetostriction rods. The bottom of the radiant surface and the rear cover plate clamp the magnetostriction rods through a fastening device. A coil is wound around each magnetostriction rod. A magnetostriction material is adopted as a vibration source, the mechanical life of the ultrasonic descaling energy converter is long, and the ultrasonic descaling energy converter can continuously work for a long time. According to the ultrasonic descaling energy converter, the radiant surface is in a flat horn shape, a parallel excitation manner is adopted in an excitation source, and therefore high descaling efficiency and reliability are achieved. In addition, the energy converter does not need to be welded to the plate heat exchanger, an immersion manner is adopted for work, and therefore any mechanical damage is not caused to the heat exchanger.

Description

technical field [0001] The invention relates to the technical field of heat exchange devices, in particular to an ultrasonic descaling transducer for a plate heat exchanger and a descaling method thereof. Background technique [0002] Plate heat exchangers are widely used in metallurgy, construction, chemical industry, food, medicine, aviation and power industries. The plate heat exchanger is composed of specially pressed stainless steel plates stacked together, with a small plate spacing. When fluids of different temperatures flow between the plates, strong turbulence can occur, which strengthens the heat transfer process. It has the advantages of high heat transfer coefficient, large logarithmic average temperature difference, small end temperature difference, small footprint, small heat loss, flexible assembly, light weight, and convenient maintenance. [0003] However, in practical applications, the accumulated dirt on the surface of the heat exchanger seriously affects...

Claims

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Application Information

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IPC IPC(8): F28G7/00
CPCF28G7/00
Inventor 范继祥张伟光尹燕宗刘铭候洪涛张子锐
Owner HARBIN NORMAL UNIVERSITY
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