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High-voltage double-pulse superposed power supply for electrostatic dust collector

An electrostatic precipitator and double-pulse technology, applied in the direction of electric pulse generator circuit, energy storage element to generate pulses, etc., can solve the problems of insufficient pulse power, complex production process, fuel tank volume, etc., to improve dust removal efficiency, improve collection, flash The effect of high network voltage

Pending Publication Date: 2019-06-14
XIANGYANG JIUDING HAOTIAN ENVIRONMENTAL PROTECTION EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the need to add a set of pulse transformers, it will cause problems such as the volume of the fuel tank and the superposition of high-voltage rectification. In addition, there are defects such as complex production process and insufficient pulse power.

Method used

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  • High-voltage double-pulse superposed power supply for electrostatic dust collector
  • High-voltage double-pulse superposed power supply for electrostatic dust collector
  • High-voltage double-pulse superposed power supply for electrostatic dust collector

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] The invention provides a high-voltage double-pulse superimposed power supply for electrostatic dust removal, which adopts three-phase input, and adopts a series resonance mode through a resonant circuit to realize zero-current shutdown, and the highest output pulse frequency is designed to be 40KHZ. The operation mode based on zero-current shutdown is matched with the pulse frequency design of 40KHZ, which can obviously overcome the problem...

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Abstract

The invention provides a high-voltage double-pulse superposed power supply for an electrostatic dust collector. The high-voltage double-pulse superposed power supply for the electrostatic dust collector adopts three-phase input, and adopts a series resonant mode through a resonant circuit to realize zero current shutdowns; and the highest output pulse frequency is designed to be 40KHZ. The high-voltage double-pulse superposed power supply for the electrostatic dust collector effectively solves the problem of insufficient power of the high-frequency pulse power supply in the prior art, and hasthe advantages of the high-frequency pulse power supply of three-phase balance, small ripple factor, high flashover voltage and constant current characteristics; the generation of anti-corona can be avoided for high specific resistance dust; and meanwhile, the double pulse is superposed, therefore, the ultra-fine dust collection is improved, and the dust removal efficiency and power application range are improved.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and relates to a high-voltage double-pulse superimposed power supply for electrostatic dust removal, which is widely used in thermal power, steel, cement, nonferrous smelting, coal coking, chemical industry, electronics, flocking and other electrostatic deposition sites. Background technique [0002] Electrostatic precipitators often use high-frequency power supplies. Due to the difference in principle, high-frequency power supplies have three-phase balanced input, small output ripple, high average voltage and current, small transformer volume, high conversion efficiency and power factor, etc. A number of significant advantages, especially the dust removal efficiency can be greatly improved. However, the disadvantage of the existing high-frequency switching power supply is that there is relatively serious switching interference. In the high-frequency switching power supply, the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M9/06H03K3/57
CPCY02B70/10
Inventor 杨阳张缝松刘建玲
Owner XIANGYANG JIUDING HAOTIAN ENVIRONMENTAL PROTECTION EQUIP
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