Dust collection type cathode wire of electric dust remover
A technology of electrostatic precipitator and cathode wire, applied in the direction of electrode structure, electrostatic separation, etc., can solve the problems of electric precipitator power supply waste, small surface area, limited dust collection function, etc., and achieve the effect of centralized optimization of functions
Pending Publication Date: 2020-01-07
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Problems solved by technology
[0002] At present, the known cathode wires of electrostatic precipitators include BS type, RS type, herringbone needle type, spiral type, star type, etc. These cathode wires are connected with negative high-voltage power supply, and the core function is corona discharge to ionize the flue gas , produce free electrons (negative charges) and positive charges (protons), negatively charged dust moves to the anode plate under the action of the electric field force and is absorbed by the anode plate, and the positively charged dust should move to the cathode and be attracted by the cathode Adsorption, but because the core function of the well-known cathode line is to release free electrons, the surface area is small, and the function of dust collection is negligible. The cathode dust caused by corona discharge and rapping will cause positively charged dust to disperse in the flue gas when it is mixed with the load. The charged dust is collided and neutralized, which leads to waste of power supply for the electrostatic precipitator and limited dust collection function
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Embodiment Construction
[0023] A dust-collecting cathode wire of an electrostatic precipitator is composed of a discharge burr 1 , a frame 2 , a dust-collecting body 3 , and an ash-falling chamber 4 .
[0024] In the figure, the discharge burr 1 is punched with a special mould, which can be a single body, or can be made into a conjoined structure, and is welded on the dust collecting body 3.
[0025] The frame 2 in the figure is a round tube, which can also be a square tube or a steel plate. Its function is to act as a frame and connect with the upper and lower cathode frames. There is a round hole at each end of the frame for assembling connecting bolts.
[0026] In the figure, the dust collector 3 is punched and rolled with special equipment. The dust collector 3 is a transparent structure, and the air holes are rhombus, triangle or other shapes. The stems between the holes have a certain width and slope. Each cathode line is composed of two pieces of dust collectors mirrored by tailor welding.
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The invention discloses a dust collection type cathode wire of an electric dust remover. The dust collection type cathode wire is composed of discharge barbs 1, a frame 2, a dust collection body 3 anda dust falling cavity 4. The invention aims to break through the limitation of the function of the cathode wire of a traditional electric dust remover. Besides the basic discharging function of the traditional cathode wire, the novel cathode wire has a large specific surface area and does not generate secondary flying dust caused by rapping, and integrates a discharging function, a dust collection function and a dust flying avoiding function. The novel cathode wire has the advantages of large specific surface area, high discharge intensity, uniform corona and the like. The dust collection area of the dust collection type cathode wire can be equivalent to the dust collection area of an anode plate; and each dust collection type cathode wire is equivalent to the dust collection area of oneanode plate.
Description
technical field [0001] The invention relates to the technical field of electrostatic precipitator equipment for dust purification of industrial kilns, in particular to the cathode line of the core component of the electrostatic precipitator. Background technique [0002] At present, the known cathode wires of electrostatic precipitators include BS type, RS type, herringbone needle type, spiral type, star type, etc. These cathode wires are connected with negative high-voltage power supply, and the core function is corona discharge to ionize flue gas , produce free electrons (negative charges) and positive charges (protons), negatively charged dust moves to the anode plate under the action of the electric field force and is absorbed by the anode plate, and the positively charged dust should move to the cathode and be attracted by the cathode Adsorption, but because the core function of the well-known cathode line is to release free electrons, the surface area is small, and the...
Claims
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CPCB03C3/41
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