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Circulating frictional electrostatic precipitation device

A technology of electrostatic dust removal and frictional static electricity, applied in the direction of electrostatic separation, electrostatic effect separation, steam flow control, etc., can solve the problems of low investment and low electrification intensity, achieve low energy consumption and improve friction electrification efficiency

Pending Publication Date: 2018-02-13
NINGBO UNIVERSITY OF TECHNOLOGY
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  • Abstract
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Problems solved by technology

Friction electrification has the advantages of less investment and low maintenance cost, but it also has the disadvantage of low electrification intensity

Method used

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  • Circulating frictional electrostatic precipitation device
  • Circulating frictional electrostatic precipitation device
  • Circulating frictional electrostatic precipitation device

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Embodiment Construction

[0014] The following is attached figure 1 , attached figure 2 , attached image 3 , with Figure 4 , attached Figure 5 , the present invention will be described in further detail through the embodiments.

[0015] A circulating friction electrostatic precipitator is composed of a first electrostatic precipitator 1 , a second electrostatic precipitator 9 , a friction generator 3 , a centrifugal fan 4 , a first single-pole double-throw switch 2 and a second single-pole double-throw switch 10 . The first electrostatic precipitator chamber 1 is surrounded by a cylinder and a cone-shaped head arranged at the upper and lower ends of the cylinder. The shaped head communicates with a dust collection chamber through a section of steel pipe; the structure of the second electrostatic precipitator 9 is the same as that of the first electrostatic precipitator 1; the friction generator 3 is a section of borosilicate glass tube 3 whose inner surface is corrugated -1, the outer surface ...

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Abstract

The invention relates to a circulating frictional electrostatic precipitation device which comprises a first electrostatic precipitation chamber, a second electrostatic precipitation chamber, a frictional electrifier, a centrifugal fan, a first single-pole double-throw switch, a second single-pole double-throw switch and the like. By means of the cooperative frictional electrification of the specially designed frictional electrifier and a fan impeller, the circulating frictional electrostatic precipitation device increases the efficiency of frictional electrification; by adjusting valves, theratio of circulating gas volume to gas treatment capacity can be controlled, consequently, the residence time of dusty gas stays in the device is regulated, the intensity of electrification is regulated, and thereby the dust precipitation efficiency of the device is controlled; the continuous operation of the device is ensured by two electrostatic precipitators; compared with the energy consumption of electric field electrification, the energy consumption is low.

Description

technical field [0001] The invention relates to the field of gas dust removal, in particular to a circulating friction electrostatic dust removal device. Background technique [0002] In recent years, with the rapid development of the economy, metallurgical steelmaking electric furnaces and boilers fueled by raw coal have increased a lot. The air pollutants emitted by these furnaces have caused great harm to the surrounding environment. Therefore, removing particulate matter from the dusty gas to reduce Atmospheric particulate matter pollution has become an urgent technical problem to be solved. [0003] The capture of particulate matter in gas can be divided into mechanical dust removal, electrostatic dust removal, filter dust removal and washing dust removal according to the mechanism. Among them, the electrostatic dust removal technology has the following advantages: (1) high dust removal efficiency; (2) can purify a large amount of air; (3) the particle size range that ...

Claims

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Application Information

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IPC IPC(8): B03C3/30B03C3/36
CPCB03C3/30B03C3/368
Inventor 沈剑邓利娟
Owner NINGBO UNIVERSITY OF TECHNOLOGY
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