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Electric dust collector

A dust collector, electric technology, applied in the direction of external electrostatic separator, electrode structure, electrostatic separation, etc., can solve the problem of reduced dust collection efficiency

Active Publication Date: 2009-04-22
FUJI ELECTRIC CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, dust collection efficiency does not decrease even after long-term use

Method used

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Embodiment Construction

[0037] An exemplary embodiment according to the present invention will be described below.

[0038] figure 1 A basic configuration of an electric dust collector according to an embodiment of the present invention is shown.

[0039] exist figure 1 In , reference numeral 10 denotes an electric dust collector equipped with a charging unit 20 and a dust collecting unit 30 . In the charging unit 20 , a stainless steel wire discharge electrode 25 and a plate type ground electrode 22 arranged in parallel to each other are arranged inside the body 11 . Corona discharge is generated by applying a high DC voltage between the discharge electrode 25 and the ground electrode 22, whereby air flowing between the two electrodes is ionized and aerosols contained therein are charged to monopolarity. In the dust collecting unit 30, it is formed by applying a high DC voltage between the parallel plate type ground electrode 32 and the high voltage electrode 35 obtained by forming many perfora...

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Abstract

The invention provides an electric dust collector capable of effectively gathering nano super fine particles like diesel emitted particles (DEP) without adding special devices. In an electric dust collector, a charging unit and a dust collecting unit are set into front stage and back stage, respectively. The dust collecting unit is composed by a parallel plate type high voltage electrode and a parallel plate type high ground electrode which face each other and are set in parallel to separate the space where processing air flows; a plurality of through holes are formed on the whole area of at least one of the two electrode in the decentralized way.

Description

technical field [0001] The present invention relates to an electric dust collector for purifying air or gas polluted by fine dust particles, various suspended particles and the like existing in rooms, tunnels and the like by removing pollutants from the air or gas. Background technique [0002] For example, the air in automobile road tunnels is polluted by fine aerosols such as smoke contained in exhaust fumes from passing vehicles and corrosive dust particles generated by tires and road asphalt paving materials as vehicles move. A secondary electric dust collector equipped with a charging unit and a dust collection unit is used to remove pollutants such as aerosols from this polluted air. [0003] A typical secondary electric dust collector is configured as Figure 9 shown. [0004] The electric dust collector 10 is equipped with a charging unit 20 and a dust collecting unit 30 . In the charging unit 20, a positive or negative corona discharge is generated by applying a h...

Claims

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Application Information

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IPC IPC(8): B03C3/40B03C3/41B03C3/47
CPCB03C3/08B03C3/12B03C3/41B03C3/47
Inventor 安本浩二瑞庆览章朝高木康裕江原由泰高桥武男
Owner FUJI ELECTRIC CO LTD
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