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Wet type water film electrode electric-coagulation device

A technology of condenser and water film, applied in the direction of electrode structure, external electrostatic separator, electrostatic separation, etc., can solve the problems of easy generation of back corona and secondary dust, small practical application possibility, complex design, etc., to achieve Improve coagulation efficiency, good coagulation effect and simple structure

Active Publication Date: 2015-04-08
HEBEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Chinese patents (notification numbers CN203663651U, CN202590955U, CN 203342941U, and CN202942963U) disclose several electrocoagulation equipment, among which the patents with announcement numbers CN203663651U and CN202590955U mainly design dry-type electrocoagulators. Back corona and secondary dust are likely to be generated during the merging process; and the patents with the notification numbers CN 203342941U and CN202942963U adopt the spray method to design the wet electrocoagulator, because the wet spray electrocoagulator has nozzles, The design is often complicated, without considering the uniform distribution of water on the ground plate, the price is expensive, and the possibility of practical application is small

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0027] Design an electrocoagulator. The electrocoagulator consists of a housing 3, two grounding plates 41 symmetrically arranged in the housing 3, a water distributor 42 fixed to the grounding plates 41, and a high-voltage electrode 5, which are arranged symmetrically. Between the upper and lower grounding electrodes 41, and the different polar distances between the high-voltage pole plate 51 and the grounding pole plate 41 are equal; the high-voltage pole plate 51 is connected to the high-voltage pole of the high-voltage AC power supply 6, and the two grounding pole plates 41 are both grounded The electric field is supplied by the high-voltage AC power supply 6; the water distributor 42 on the ground plate is connected to the water pump, and the side of the support plate 425 on the water distributor 42 is provided with 7 fastening bolt holes 427.

[0028] The specific structural parameters of the electrocoagulation combiner are designed as follows: the shell 3 is a cuboid, t...

Embodiment 2

[0031] The structural composition of the electrocoagulator is the same as in Embodiment 1. However, there is a grounding thorn on the grounding plate, and the specific structural parameters are designed as:

[0032] The shell 3 is a cuboid, with an air inlet 1 and an air outlet 2 axially opened, the dimensions of the high-voltage pole plate 51 and the grounding pole plate 41 are both 450×800mm, and the material of the grounding pole plate is a metal plate, the high-voltage pole plate 51 and the grounding pole plate The distance between 41 is 200mm, the length of the high-voltage burrs 51 is 20mm, the grounding plate 41 is provided with grounding burrs, the length of the grounding burrs is 20mm, the diameters of the high-voltage burrs 52 and the grounding burrs are 3mm, and the high-voltage The vertical and horizontal distances of the thorns 52 are both 30mm, the vertical and horizontal distances of the grounded thorns are 30mm, the rated output voltage of the high-voltage AC p...

Embodiment 3

[0035] The structural composition of the electrocoagulator is the same as in Embodiment 1. But the specific structural parameters are designed as:

[0036] The shell 3 is a rectangular parallelepiped, and the air inlet 1 and the air outlet 2 are axially opened. The dimensions of the high-voltage pole plate 51 and the grounding pole plate 41 are both 600×960mm. The groove depth is 6mm, the groove width is 3mm, and the groove spacing is 2mm. The distance between the high-voltage pole plate 51 and the grounding pole plate 41 is 200mm. The length of the high-voltage thorn 51 is 20mm. , and the horizontal spacing are all 50 mm, the rated output voltage of the high-voltage AC power supply 6 is 35 kV, and the frequency is 10 Hz.

[0037] According to the experiment, the wind speed at the inlet of the flue gas is 1.8m / s, and the powder concentration is 2.00g / m 3 , under the condition of influent flow rate of 250L / h, the volume occupancy rate of dust with a particle size of less than...

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Abstract

The invention relates to a wet type water film electrode electric-coagulation device, which comprises a shell, a grounding electrode, a high-voltage electrode and a high-voltage alternating-current power supply, wherein the high-voltage electrode is composed of a polar plate and a high-voltage prick; the wet type water film electrode electric-coagulation device is characterized in that the grounding electrode comprises a grounding polar plate and a grounding polar plate water distributor; the grounding polar plate water distributor comprises a water supply pipe, an inclined liquid guide plate, a seamless steel tube, a grounding polar plate fixing groove, a support plate and a bottom support base; the water supply pipe is divided into two sections; one ends of the two sections of water supply pipe are connected through the seamless steel pipe to form an integer, wherein one end of one section of water supply pipe is connected with a water pump; the water supply pipe is above the inclined liquid guide plate and fixedly connected with the inclined liquid guide plate; a circular hole is formed in the water supply pipe next to the inclined liquid guide plate; the inner side of the inclined liquid guide plate is fixedly connected with the top of the support plate; the inclination angle of the inclined liquid guide plate is 8-15 DEG; and a layer of water absorption material is flatly paved on the upper surface of the inclined liquid guide plate.

Description

technical field [0001] The invention mainly relates to the air pollution flue gas dedusting technology in the field of environmental protection, in particular to a wet-type water film electrode electrocoagulation combiner. Background technique [0002] The pollution problem has always been an urgent problem to be solved. In recent years, air pollution has been paid close attention to by people. As the pollution problem becomes more and more serious, people have begun to pay attention to the concentration of inhalable particulate matter PM 10 and ultrafine particulate matter PM 2.5 Hazards and effects on the environment and human health. Most of these fine dusts come from the exhaust gas of pulverized coal furnaces in coal-fired power plants. How to effectively deal with the fine particles in the exhaust gas has become a major task for environmental workers. [0003] Condensation technology is now a research hotspot in the field of aerosols at home and abroad. It refers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C3/16B03C3/40
Inventor 黄超马秀琴王美艳娄越雅
Owner HEBEI UNIV OF TECH
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