The present invention discloses a dust collector using a low pressure pulse, which comprises: a housing module having an upper housing and a hopper-shaped lower housing coupled to a lower portion of the upper housing; a bag filter module comprising a filter support plate having a plurality of filter coupling holes and coupled to the inside of the upper housing so as to be horizontal, and a plurality of bag filters coupled to the filter coupling holes; an air supply module having an air chamber positioned above the filter support plate to rotate with respect to the center of the filter support plate to supply air from the outside to the hollow interior to form compressed air, an air guide pipe attached to one side of the air chamber and through which the compressed air flows, and an air injection arm positioned above the bag filter to inject the compressed air supplied from the air guide pipe; an air pulsing module for controlling the compressed air to be supplied from the air guide pipe to the air injection arm in a pulsed manner; and a sensing module for transmitting an operation signal to the air pulsing module.;COPYRIGHT KIPO 2019
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