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A cylindrical semi-wet electrostatic precipitator

A technology of electrostatic precipitator and semi-wet method, which is applied in the fields of waste gas treatment and environmental protection, which can solve the problems of easy fire, difficult cleaning of the plate, and small pressure drop, and achieve the effect of simple cleaning and reduced workload

Active Publication Date: 2016-10-05
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] How to give full play to the advantages of excellent effect and small pressure drop of the electrostatic precipitator while avoiding the disadvantages that the plates are difficult to clean and easy to cause fire? This is a difficult problem currently facing researchers in the field of catering waste gas treatment technology

Method used

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  • A cylindrical semi-wet electrostatic precipitator
  • A cylindrical semi-wet electrostatic precipitator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Take an aluminum cylinder with a length of 100cm and a diameter of 20cm, install gears and two sets of tires on the outside, place a polyethylene plastic tee with a diameter of 20cm on both sides, and place the two straight nozzles of the two tees vertically. Drill holes on the outside of the straight pipe sections of each tee, and pass through the corona wire. The corona wire coincides with the central axis of the cylindrical dust collecting pole. Insulating ceramics and fasteners are fixed, one end is protruded and connected to a high-voltage power supply, negative corona is selected, the power supply voltage is 30kV, gears and two sets of belts are installed on the outside of the cylindrical dust collector, and the cylindrical dust collector is horizontally placed on the two sets of brackets On the wheel, a dynamic seal is set between the two ends of the cylinder dust collector and the two tees. When the cylinder dust collector rotates and the tee does not move, there...

Embodiment 2

[0016] Take an aluminum cylinder with a length of 100cm and a diameter of 8cm, install gears and two sets of tires on the outside, place a polyethylene plastic tee with a diameter of 20cm on both sides, and place the two straight-through nozzles of the two tees vertically. Drill holes on the outside of the straight pipe sections of each tee, and penetrate the corona wire. The corona wire coincides with the central axis of the cylindrical dust collector. Choose a circular wire with a nominal diameter of 0.2mm, and fix both ends on the outer side of the tee. Fix with insulating ceramics and fasteners, one end protrudes and connects to high-voltage power supply, choose negative corona, power supply voltage is 10kV, install gears and two sets of tires on the outside of the cylindrical dust collector, and place the cylindrical dust collector horizontally on the two sets On the supporting wheel, a dynamic seal is set between the two ends of the cylinder dust collector and the two tee...

Embodiment 3

[0018] Take a polyethylene cylinder with a length of 100cm and a diameter of 100cm, paste a layer of aluminum foil inside, install gears and two sets of tires on the outside, place an ABS plastic tee with a diameter of 100cm on both sides, and two straight-through pipes for the two tees The mouth is placed vertically, the outer side of the straight pipe section of the two tees is punched, and the corona wire is inserted into the corona wire. The corona wire coincides with the central axis of the cylindrical dust collecting pole. The external test of the pass is fixed with insulating ceramics and fasteners. One end is extended and connected to a high-voltage power supply. The negative corona is selected and the power supply voltage is 80kV. It is installed horizontally on two sets of support wheels, and a dynamic seal is set between the two ends of the cylinder dust collector and the two tees. When the cylinder dust collector rotates and the tee does not move, there is no air le...

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Abstract

The invention relates to a cylinder type semi-wet process electrostatic precipitator, belonging to the technical fields of waste gas treatment and environmental protection. The method comprises the steps of horizontally arranging a cylinder type dust collecting pole, placing a corona electrode at the center axis of the cylinder type dust collecting pole, immersing the lower part of the cylinder type dust collecting pole into a water solution, continuously rotating the cylinder type dust collecting pole so as to ensure that the surface of the dust collecting pole is wetted by the water solution all the time; when catering waste gas containing oil drops enters the electrostatic precipitator, the oil drops and granules are caught by a liquid film on the surface of the cylinder type dust collecting pole; when the cylinder type dust collecting pole rotates to the part under the liquid level of the lower part water solution, the caught oil drops and granules are eluted. The cylinder type semi-wet process electrostatic precipitator can be used for solving the problem that the oil stain accumulated in the dust collecting pole of the common electrostatic precipitator is difficult to clean.

Description

technical field [0001] The invention relates to a cylindrical semi-wet electrostatic precipitator, which belongs to the technical field of exhaust gas treatment and environmental protection. Background technique [0002] With the rapid development of my country's economy, the haze air pollution in large and medium-sized cities, economically developed areas and areas with intensive basic industries in my country is becoming more and more serious. As my country's restrictions on SOx and NOx emissions become increasingly stringent, and related environmental protection technologies and devices continue to be put into use, the total emissions of SOx and NOx pollutants in my country's atmospheric environment have decreased year by year. However, from the current monitoring results, my country's Yangtze River Delta The haze pollution in the Pearl River Delta and Beijing-Tianjin-Hebei areas has not been significantly reduced, and has seriously threatened the health of the people and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03C3/16B03C3/45
Inventor 刘海弟马翔岳仁亮陈运法
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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