The electromagnetic pulse valve is a key component of the pulse bag dust collector. It can be called the "heart" of the pulse bag dust collector. Its performance directly affects the operation effect of the dust collector. Air leakage is one of the common failures of electromagnetic pulse valves. Once the electromagnetic pulse valve leaks, the air pressure of the air distribution bag drops rapidly, all pulse valves of the dust collector cannot work, the operating resistance of the dust collector continues to increase, and the ventilation volume decreases rapidly. Common causes of air leakage in electromagnetic pulse valves include the following: (1) The diaphragm of the electromagnetic pulse valve is damaged. Close the valve in front of the pulse valve air distribution bag and open the pulse valve for inspection. If the diaphragm is damaged, it must be replaced.
(2) There is rust, welding slag and other debris between the gasket of the diaphragm and the end face of the air outlet. The two cannot be tightly sealed, causing the electromagnetic pulse valve to leak. The pulse valve must be opened and debris must be completely removed. During the installation of the pulse bag dust collector, first ventilate and purge the compressed air pipeline to remove rust, welding slag and other debris, and then install the pulse valve and air distribution bag, which can effectively prevent the pulse valve from leaking due to clogging of debris.
(3) For submerged pulse valves, if there is a leak in the blow pipe in the air bag, the compressed air will directly enter the blow pipe without passing through the pulse valve and leak out. Timely repair or replacement of the blow pipe can eliminate the leakage of the pulse valve.