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Device and process for homogenizing fabric dust collecting electrode surface water film

A fiber fabric and surface water film technology, applied in chemical instruments and methods, external electrostatic separators, separation methods, etc., can solve the problems of high cost and poor surface water film uniformity, and achieve low cost, strong adsorption, and durability. good thermal effect

Active Publication Date: 2012-04-25
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the disadvantages of high cost of traditional dust collector materials and poor surface water film uniformity, and propose a device and process for homogenizing water film on the surface of fiber fabric dust collectors

Method used

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  • Device and process for homogenizing fabric dust collecting electrode surface water film
  • Device and process for homogenizing fabric dust collecting electrode surface water film
  • Device and process for homogenizing fabric dust collecting electrode surface water film

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Embodiment Construction

[0021] Combine below figure 1 and figure 2 , image 3 A best specific embodiment of the present invention is given. The process of homogenizing the water film on the surface of the fiber fabric dust collector is through figure 1 and figure 2 , image 3The device shown is realized. The flue gas passes through the casing 1 and flows through the deflector 2. After the flow state is homogenized, it enters the dust collection pole square tube 5. The upper end of the dust collection pole square tube 5 is positioned by the film cloth device 8, and the lower end of the dust collection pole square tube The pole length adjusting device 9 and the homogenizing rod 10 are positioned, and the homogenizing rod 10 pre-applies an average tension force to the dust collecting pole of the fiber fabric, so that it is in a state of elastic deformation, ensuring the straight effect of the dust collecting pole of the fiber fabric, and The discharge electrode 4 maintains a fixed pole spacing a...

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Abstract

The invention relates to a device and a process for homogenizing a fabric dust collecting electrode surface water film for a wet electrostatic dust collector / demister. The device comprises a shell, a guide vane, a discharge electrode fixing device, a discharge electrode, a dust collecting electrode square tube, an insulated case, a support device, a film distributing device, a dust collecting electrode length adjusting device and a homogenizing rod; the water distribution amount is adjusted by an adjusting valve, the thickness of the collecting electrode surface water film is controlled by a PLC; water flows into the upper part of a fabric collecting electrode through a water distribution hole to form an initial water film and then downwards spreads to the bottom in a corrugated shape; a wall-cooling wall surface formed by the water film contacts with a flue gas counterflow to generate friction lift force to be mutually coupled with flue gas condensed water and capillary characteristics of fiber fabrics, thereby promoting the rapid formation of the water film with uniform thickness; in the process of precipitating water condensation nuclei in the flue gas, micro fine particulate matters are condensed and the particle size is increased; and a grey cake layer formed by the micro fine particulate matters on the surface of the fabrics is fractured and shed in a flaky shape. The device has the outstanding effects of dust removal, demisting, energy saving and consumption reduction.

Description

1. Technical field [0001] The invention belongs to the field of air pollutant control, and in particular relates to a device and a process for homogenizing water film on the surface of a fiber fabric dust collector used in a wet electrostatic dust collector and demister. 2. Background technology [0002] The greenhouse effect, ozone depletion and acid rain caused by the flue gas pollutants emitted by coal-fired boilers, industrial kilns, smelting furnaces and chemical industries have become very serious, and the sustainable development of human society is seriously threatened. Wet electrostatic precipitator Because of its high corona current, obvious particle coagulation effect, high removal rate of pollutants, and low power consumption and resistance loss, it is widely used. [0003] The surface of the dust collection electrode of the wet electrostatic precipitator is generally composed of metal, plastic, glass fiber reinforced plastic, etc. Due to the surface tension and t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/02B03C3/16
Inventor 马春元常景彩
Owner SHANDONG UNIV
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