The special pounding equipment for floating prodn. method type polytetrafluoroethylene is composed of pounding drum, stirrer, spiral cyclone, and driving device. The pounding drum includes drum body,drum cover, cooling jacket outside the drum body and at least two teethed baffles in the drum; the stirer is installed on the bottom of drum body, the front segment of the spiral cyclone is projectedin the drum cover and has an inclined angle alpha with water level. The invented pounding equipment can proceed joint operation including pounding, washing, solid-liquid separation etc.. The prodn. process is whole line closed and can proceed continuously with good product quality.