Welding smoke purifier installation considerations

Dust collector machine installed, should do it again according to the requirement of the drawing check welding smoke purifier, the box body, air duct, ash hopper weld do detailed inspection, particularly emphasis to air-tightness weld inspection, found that leakage welding and repair welding defects such as porosity, bite, so as to ensure its strength and impermeability, when necessary, kerosene leakage and overall use compressed air to filter on leak detection. When have on demand, overall crackdown on filter checks as required. The experimental pressure is commonly net negative pressure air chamber are multiplied by 1. After 15 coefficient, minimum pressure using filter system wind pressure value of the fan. The holding 1 h, leakage rate < 2%. The final installation filter bag and paint finish. Filter bag transportation and parking, installation should pay attention to prevent the bag with the surrounding hard objects, contact Angle. Ban on foot, stress, in case of breakage. Filter bag mouth should closely with flower board orifice embedded tight, shall not leave gaps. Filter bag should be vertical, lay down from mouth. Single machine commissioning, at the end of the filter installation all welding smoke purifier for all kinds of valves, Into the exhaust valve, discharge valve) Send flying machine debugging, first manual, electric, after all the mechanical parts should not loose stuck phenomenon, should be relaxed and flexible motion, sealed performance is good, then 8 h no-load running. For simulating PLC programmable device no-load test, first checking each pulse valve, exhaust valve, discharge valve line is smooth and the valve opening is good, again according to the timing control time, according to electric control procedure for each room the whole process of soot cleaning, should be accurate, on time regularly, each element is correct, is accused of valve start as required. Before load operation, process equipment operation, should carry on the coating, the filter bag surface coated with a layer of coating, and then formally to filter dust collector, PLC control instrument officially put into operation, at the same time check the running parts, valve and record the operation parameters.

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