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Wire tube type electrostatic precipitator performance improvement method introducing magnetic field

An electrostatic precipitator and precipitator technology, applied in the direction of external electrostatic separators, etc., can solve the problems of large energy consumption, energy saving and emission reduction at the same time, and achieve the effect of reducing operating power consumption

Inactive Publication Date: 2018-09-21
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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Problems solved by technology

However, high working voltage will inevitably bring about large energy consumption, so that the two requirements of energy saving and emission reduction cannot be taken into account at the same time.

Method used

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  • Wire tube type electrostatic precipitator performance improvement method introducing magnetic field
  • Wire tube type electrostatic precipitator performance improvement method introducing magnetic field
  • Wire tube type electrostatic precipitator performance improvement method introducing magnetic field

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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 shall fall within the protection scope of the present invention.

[0029] In order to reduce the energy consumption generated when the line-tube electrostatic precipitator achieves a high dust removal efficiency, this paper introduces a magnetic field into the dust collector, and prolongs the residence time of fine particles in the online tubular electrostatic precipitator through the Lorentz force to increase its in-line electrostatic precipitator. Dust removal efficiency when operating under low voltage conditions. The ...

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Abstract

The invention relates to a wire tube type electrostatic precipitator performance improvement method introducing a magnetic field. According to the method, the magnetic field is introduced into a wiretube type electrostatic precipitator; the dust removal efficiency of the wire tube type electrostatic precipitator which runs under a low-voltage working condition is improved by prolonging the stay time of fine particles in the wire tube type electrostatic precipitator by virtue of Lorentz force; and FLUENT software is adopted for simulation to obtain the dust removal efficiency of the wire tubetype electrostatic precipitator under different working voltages in the magnetic field environment. Compared with the prior art, the wire tube type electrostatic precipitator performance improvement method provided by the invention has the advantages of realizing the aims of not reducing the dust removal efficiency and only reducing the running power consumption by introducing a stable and constant magnetic field into a particle motion region of the electrostatic precipitator.

Description

technical field [0001] The invention relates to a method for improving the performance of a precipitator, in particular to a method for improving the performance of a wire tube electrostatic precipitator by introducing a magnetic field. Background technique [0002] Line-pipe electrostatic precipitator is one of the most common dust removal equipment in thermal power plants. At present, the country's emission standards for dust pollutants from thermal power plants are getting higher and higher. For economic considerations, thermal power plants should consider both energy saving and emission reduction requirements. In general, the improvement of the dust removal efficiency of the line-tube electrostatic precipitator needs to be realized by increasing the working voltage. However, high working voltage will inevitably bring about large energy consumption, so that the two required indicators of energy saving and emission reduction cannot be taken into account at the same time....

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C3/14
CPCB03C3/14
Inventor 张建平
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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