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    • 9. 发明专利
    • WET TYPE DUST REMOVING DEVICE WITH OUTER AIR INTRODUCING HOLE
    • JPH03217212A
    • 1991-09-25
    • JP975390
    • 1990-01-19
    • TANAKA KEN
    • TANAKA KEN
    • B01D47/02B01D50/00B01D51/00B04C5/00B04C9/00
    • PURPOSE:To effectively remove dust with a simple device by providing the humidified cohesive function of vertical swirling flow generated by an influent pipe and the dust removing function of lateral swirling flow generated by a cyclone device. CONSTITUTION:The influent pipe 2 is fixed to the tank main body 1 which is hermetically closed in such a way that it penetrates the wall plate and the blowing-out opening is directed to the outside to the bottom surface. The shield plate 3 perforated with numerous small holes is provided to the opposite side of the blowing-out opening so as to be brought into contact with the inner surface of the main body 1. The outer tube 4 having an opening at its lower part is provided with a conical slanting surface in the middle part of tube body and the diameter of lower part is made smaller, and the outer tube 4 is fixed between the shield plate 3 and the side surface of main the body 1 penetrating the wall plate of the main body 1. A discharge pipe 6 is provided penetrating the upper plate of the outer tube 4. A roughly U-shaped communicating pipe 5 is disposed penetrating respectively the side plate of main body 1 and the outer peripheral wall of upper part of the outer tube 4, and outer air introduction holes 17 are provided at the bottom part of the main body 1. As a result, dust is effectively removed with the simple device.