In our daily use, regarding static electricityDust removal equipmentMaintenance and repair are necessary to ensure the safe operation of equipment and extend its lifespan.Pulse dust collectorManufacturer: The shell of the electrostatic precipitator includes a shell, inlet and outlet horns, ash hopper, etc., all of which are welded with section steel and cold-rolled thin steel plates. In addition, it also includes some necessary inspection doors. All welds on the shell of the electrostatic precipitator should be sealed, and all inspection doors should be flexible to open and close, and must be well sealed. Air leakage can be checked by using an anemometer or moving a thin piece of paper at the door gap. If the paper is attracted, it is air leakage. After discovering air leakage, the door should be opened to check if the material is intact. If there is any damage, it should be replaced in a timely manner.

Professional maintenance personnel should conduct a comprehensive monthly inspection of all dust removal facilities and decide on the time, content, requirements, and methods for minor, regular, and major repairs based on the actual situation. The overall debugging of the electrostatic precipitator after major repairs should also be carried out. After the major overhaul, conduct no-load boost tests on the rectifier transformer and electric field, and conduct U-I characteristic tests under rated operating conditions during operation; Test the temperature and pressure indicators of the inlet and outlet flue gas; Test the turbidity meter and lighting equipment. If conditions permit, a comparative test should also be conducted on the dust removal efficiency before and after the overhaul of the electrostatic precipitator to verify the effectiveness of the overhaul work.

The main task of daily maintenance of electrostatic precipitators is to eliminate air leaks in equipment, pipelines, manhole doors, etc., adjust the air volume and pressure of the system, and eliminate all potential hazards that may cause malfunctions. Strengthening the maintenance and repair of electrostatic precipitators is necessary to ensure the safe operation of equipment and extend its lifespan. Professional maintenance personnel should conduct a comprehensive monthly inspection of all dust removal facilities and decide on the time, content, requirements, and methods for minor, regular, and major repairs based on the actual situation. The content is as follows.

1、 Maintenance and repair of electrostatic precipitators

(1) The shell of electrostatic precipitator includes a shell, inlet and outlet horns, ash hopper, etc., all of which are welded with steel and cold-rolled thin steel plates, and also includes some necessary inspection doors. All welds on the shell of the electrostatic precipitator should be sealed, and all inspection doors should be flexible to open and close, and must be well sealed. Air leakage can be checked by using an anemometer or moving a thin piece of paper at the door gap. If the paper is attracted, it is air leakage. After discovering air leakage, the door should be opened to check whether the sealing material is intact. If there is any damage, it should be replaced in a timely manner. Regularly clean the accumulated dust in various parts of the dust collector housing, and regularly apply lubricating oil to the rotating parts and screw of the inspection door to ensure flexible rotation;

(2) The plates and wires of the electrostatic precipitator are key components for effective dust removal. They should be regularly checked for deformation and whether the pole distance is within the required range. If any abnormalities are found, they should be dealt with and repaired in a timely manner.

(3) The polar plate, polar line transmission polar plate, and polar line transmission are composed of a vibrating hammer, a vibrating shaft, a transmission chain, a sprocket, a reducer, and a motor, which are important means to ensure effective vibration and dust removal. The vibration hammer should be regularly checked for looseness or detachment, the rotation of the vibration shaft and transmission part should be flexible, the action should be reliable and error free, the reducer and motor should work normally, and the lubrication of the reducer should be regularly checked to ensure it meets the requirements.

(4) Regularly inspect insulators and insulation sleeves for pole suspension and insulation components, wipe their surfaces clean with a dry cloth, and measure the insulation resistance of high-voltage lines with a 2000V megger. The value should not be less than 100M Ω. Regularly inspect the cathode suspension and the electric heating system in the insulation box of the polar wire drive, check whether the electric heater is working properly, and whether the heating temperature can reach the predetermined value.

(5) Regularly check whether the high-voltage power supply and rectifier device are working properly, and whether the voltage and current can reach normal values.

(6) Regularly check whether the ash discharge valve operates normally, whether the working cycle is the same as the set value, whether there are foreign objects twisted or stuck, and whether the valve body and seal are damaged. Regularly inspect the operation of the ash conveying device and check for wear and tear.

(7) Dust collector, ash hopper, electrostatic dust removal equipment. No foreign objects, especially large blocks of materials, are allowed to fall into the ash discharge valve inside the ash hopper. After each maintenance of the dust collector, before the operation of the ash discharge valve, the ash discharge valve must be inspected through the inspection hole on the ash hopper to confirm that there are no foreign objects before starting.

(8) The grounding resistance of the dust collector should be measured once a year, and its value should not exceed 4 Ω.