External water-distribution movable flexible dust collecting electrode device

A technology of water distribution device and dust collector, which is applied in the field of flue gas pollution control, can solve problems such as affecting the uniform distribution of water film, affecting dust removal efficiency, and incomplete dust removal, and achieves automatic and efficient dust removal, efficient collection, uniform dust removal, etc. The effect of distribution

Active Publication Date: 2015-03-11
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because this kind of process device only installs the water distribution device on the upper end of the dust collecting pole, the water film can only extend downward from the upper end. The problem of insufficient film thickness affects the uniform distribution of the water film; in addition, the dust collector in the above-mentioned patents is extremely fixed, and the dust removal of the dust collector is achieved only by the difference in surface tension and shrinkage ratio between the dust cake layer and the dust collector, which may easily lead to cleaning. The ash is not thorough, which will affect the follow-up dust removal efficiency

Method used

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  • External water-distribution movable flexible dust collecting electrode device
  • External water-distribution movable flexible dust collecting electrode device
  • External water-distribution movable flexible dust collecting electrode device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: as figure 1 , 2 As shown, the water-distributed mobile flexible dust-collecting pole device includes two parallel driving shafts 1 and flexible dust-collecting poles 4, the flexible dust-collecting poles 4 are wound on two driving shafts 1, and the two driving shafts 1 There are a number of water distribution devices 2 arranged in parallel, and the flexible dust collection pole 4 crosses and bypasses several water distribution devices 2 in an S shape. The driving shaft 1 is connected with the power device. An electrode, the water distribution device 2 and the electrode 3 are arranged in parallel. Limiting devices 5 are provided at both ends of the drive shaft 1 . The limit device 5 is set as a limit block or a limit protrusion. The flexible dust collecting pole 4 is a plate-shaped body made of flexible fabric. The water distribution device 2 is a steel pipe with small holes or grooves. There are two kinds of spraying angles of small holes or grooves o...

Embodiment 2

[0032] Embodiment 2: as image 3 , 4 As shown, the water-distributed mobile flexible dust-collecting pole device includes a driving shaft 1, a driven shaft 6 and a flexible dust-collecting pole 4, and the flexible dust-collecting pole 4 is wound on the driving shaft 1 and the driven shaft 6. There are several water distribution devices 2 arranged in parallel between the shaft 1 and the driven shaft 6. The flexible dust collection pole 4 crosses and bypasses several water distribution devices 2 in an S shape. The driving shaft 1 is connected with the power device. The flexible dust collection An electrode is provided on the outer side of the pole 4, and the water distribution device 2 and the electrode 3 are vertically intersected in space. Limiting devices 5 are provided at both ends of the driving shaft 1 and the driven shaft 6 . The limiting device 5 is a limiting block or a limiting protrusion. The flexible dust collecting pole 4 is a plate-shaped body made of flexible f...

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Abstract

The invention discloses an external water-distribution movable flexible dust collecting electrode device which comprises two driving shafts and a flexible dust collecting electrode. The driving shafts are arranged parallelly, the flexible dust collecting electrode is wound on the two driving shafts, a plurality water distribution devices arranged parallelly are arranged between the two driving shafts, the flexible dust collecting electrode is wound around the water distribution devices in an S-shaped crossing manner, the driving shafts are connected with power devices, at least one side of the outer portion of the flexible dust collecting electrode is provided with an electrode, and the water distribution devices are spatially parallel to the electrode. By the aid of the external water-distribution movable flexible dust collecting electrode device, a water film can be uniformly distributed, dust can be automatically and efficiently removed, the problem of corrosion of a metal dust collecting electrode is avoided, wet electrostatic dust collector equipment runs stably, economically, safely and reliably, and fine particles are collected efficiently.

Description

technical field [0001] The invention relates to a flue gas pollution control technology, in particular to a water-distributed mobile flexible dust collecting electrode device applied to a wet electrostatic precipitator. Background technique [0002] At present, with the official implementation of the "Pollutant Emission Standards for Thermal Power Plants" (GB 13223 2011) and the official release of the "Ambient Air Quality Standards" (GB 3095 2012), the emission control of ultrafine particles has been officially launched. As an important emission source of particulate matter in the atmosphere, coal-fired power plants are all equipped with dust collectors, but dry electrostatic precipitators (ESP) are commonly used. The dust collectors of this kind of dust collectors operate in a dry state. The collection efficiency of dust particles with high specific resistance that is easy to form back corona is low, and for fine particles below 10 μm (especially 2.5 μm), it is difficult t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03C3/53B03C3/78
Inventor 马春元崔琳常景彩王鹏
Owner SHANDONG UNIV
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