High-efficiency long-bag low pressure pulse bag-type dust remover

The utility model discloses a high-efficiency long-bag low pressure pulse bag-type dust remover, and relates to a dust cleaning device of a long-bag low pressure pulse bag-type dust remover. The problems that the spraying air flow of a spraying hole on each spraying pipe in a pulse dusting removing device is not equal, so that the dust in a bag can not be cleaned evenly and fully so as to affect the efficiency of dust removing of a dust remover in the prior art are solved. The high-efficiency long-bag low pressure pulse bag-type dust remover is composed of a compressed air system, a bag-type dust remover steel bracket, an upper tank body, a lower tank body, a meter detection device, a poppet valve device, a by-pass valve device, a pulse valve, a pulse gas bag, a spraying pipe device, a filter bag device and the like. The spraying pipe device is provided with round holes which are connected with a short pipe to form a spraying nozzle, the diameters of the round holes on the spraying pipe device decreases seque