Wuhan SY Blue Sky Environmental Technology Engineering Co., Ltd.
Wet electric precipitator technology
SubmitWet electric precipitator technology
Wet electrostatic precipitator consists of a cathode wire, an anode tube (precipitation electrode) and a spray system . the working principle is that the flue gas passes through a high-voltage electric field which charges the smoke and fog droplets to forming charged ions. The charged ions move towards the electrode with opposite charges and discharge after reaching the electrode, neutral dust and fog particles is forming and deposit on the electrode, aggregate and fall to be removed.
In order to improve the dust and mist removal efficiency and a certain strength of electric field must be formed, which requires that the anode tube of the wet electrostatic precipitator must have a voltage and current greater than the corona inception voltage, and the cathode line must have a certain line current intensity The particle size and conductivity of dust and mist are also important factors determining the efficiency of dust removal and mist collection and main particle size range is between 0.01~100um, the specific resistance range of smoke and dust is 3 × 106~4 × 1010 ohms/cm.
it is necessary to water clean the anode precipitation electrode regularly to ensure the dust and mist removal efficiency of wet electrostatic precipitator equipment,
Wet electric precipitator chart
main components
Case and lower flow equalization device; Dust collection pipe group; Upper and lower suspension brackets for discharge electrodes; Corona electrode; Insulator box and cathode holder; Intermittent sprinkler system; External maintenance platform
Technological Innovation
1. New corrosion-resistant composite material as the collecting plate, modular structure and cellular layout can effective utilization of space and uniform distribution of flow field. anti corrosion, stable discharge strength will keep the equipment voltage and current at high parameters to ensure better dust removal effect.
2. The new corrosion-resistant composite material enables flexible structural arrangement of electrostatic precipitators (mists), which can adapt to complex renovation sites. It can be separately arranged at the outlet clean gas flue of the desulfurization tower , or at the top of the desulfurization tower, or separately arranged in open spaces where the site conditions of the power plant permit
3. Not need continuous injection of alkaline water during the running time , self flowing ash cleaning can be realized by collect droplets in flue gas by electric field to forming an overflow in the collecting tubes.
4. flash off arcing can be avoid due to composite pulse power supply with a constant current source and an efficient spark control device . it is independently developed by SY Blue Sky and ensure the stable operation of the electric field ( Base voltage + pulse voltage = 80KV + 70KV = 150KV, 150KV high operating voltage, can charged power efficiently to high resistance more than 1012Ω/cm centimeters dust; High power factor COSφ≥0.98, energy can saving 30-70% when under the same efficiency.
5.Wet electrostatic precipitator is one of the most advanced PM2.5 control technology, can achieve the following performance metrics: meet the requirements of discharge below 5mg/m3.
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