Hebei Jiuzhou Environmental Protection Co., Ltd.

The corona wire is an extremely important component in the electric field of the electrostatic precipitator. Its performance directly affects the dust removal efficiency. Through a large number of tests on the electrostatic precipitator simulation platform in the laboratory, we have tested the corona wire's burr spacing, burr length, support tube diameter, burr parallel and vertical plate arrangement, etc. on the discharge performance such as corona voltage, The breakdown voltage, volt-ampere characteristics, plate current density distribution uniformity, etc. were analyzed and studied. Finally, three thorn line types were recommended in order to further improve the particle driving speed and dust removal efficiency
The thorn type corona line is a The corona wire with a new structure is made by bending a thin steel plate and punching out thorns perpendicular to the corona wire on both sides of the steel plate. This kind of corona wire can be installed in various horizontal or vertical electric precipitators. It has good volt-ampere characteristics and strong adaptability to changes in dust specific resistance. The cut-off voltage is 20,000 volts higher than that of dust collectors using other corona wires. The above advantages. In addition, the corona wire also has high mechanical strength, is not easy to break, is easy to clean, is low-cost, and is very simple to process and manufacture. It is suitable for use in new electric precipitators or for the modification of old electric precipitators.
The discharge capacity of the corona electrode is related to the sharpness of the discharge end of the corona electrode. When dust gathers at the sharp corner of the corona electrode, its curvature is smaller, which has a great influence on its discharge effect. Influence. There are many types of corona electrodes. The more sharp discharge corners, the better the corona effect. However, the more sharp discharge corners, the more difficult it is to make and install. Corona wire electrodes are generally connected to high-voltage electricity and require Good insulation device. The distance between corona wires should be appropriate. If the distance is too far, it will affect the corona current. If the distance is too close, a screen phenomenon may occur between the corona wires, causing the electric field intensity on the surface of the corona wire to weaken. Dust collection is extremely dust-collecting. The upper and lower parts of the poles are fixed and the dust collection poles are grounded. Generally, it is required that the dust is easy to settle on the pole plate and the secondary dust generated after rapping is small. At the same time, it is also required that the pole plate is lighter and has a certain degree of stability. During rigid vibration, the dust is easy to settle without deformation. The power distribution device uses electromagnetism on the transmission line of the corona wire pole beating device to insulate the corona pole inside the electric dust collector at the bearing of the transmission shaft. The pad-type sealing ring seals to prevent dust from coming out or cold air from leaking in. There is an insulating barrier on the outside of the transmission shaft. It is a truncated cone-shaped barrel. The insulating barrier relies on gravity to seal the air chamber with the outside. There is a larger round hole on the lower end of the insulation barrier so that there is a larger space between the drive shaft and the dust collector casing without the risk of short circuit. When the dust reaches a certain thickness, it will affect the electric dust collector. The efficiency is especially for the corona electrode, so the electric dust collector has a corresponding beating device for both of them to remove dust on a regular basis. The beating device of the corona electrode is located at the top of the electric precipitator. It is driven by a motor to a ratchet, and the rolling of the ratchet drives the iron. Hammer beating. The hammers are fixed at different axial and longitudinal positions. When the transmission shaft is rolling and hammering, only one hammer hits a row of plates at a time
< The corona wire has high mechanical strength and is not easy to break. Line cleaning is convenient, low-cost, and very simple to process and manufacture. It is suitable for use in new electric precipitators or for the renovation of old electric precipitators. The corona wire is made by bending a thin steel plate and punching out thorns perpendicular to the corona wire on both sides of the steel plate. The corona wire can be installed in various horizontal or vertical electrostatic precipitators. It has good volt-ampere characteristics and is highly adaptable to changes in dust specific resistance. The cut-off voltage is more than 20,000 volts higher than that of dust collectors using other corona wires. Strengths.
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