Dust is adsorbed on the filter bag, while gas enters the upper box through the filter bag and is discharged from the air outlet. When the dust sticking resistance of the filter bag is added, the pulse controller gives an instruction to open the control valve, and the pulse valve sprays compressed air into the cloth bag from the air injection hole, and the cloth bag expands under the instantaneous reaction of air flow, which vibrates and eliminates the accumulated dust.
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