Pressure screw conveyor is the Tianjin Cement Industry Design and Research Institute first cited the Swedish technology combined with the characteristics of the use of domestic equipment designed; with transmission, lock the wind and other characteristics, for the following special equipment separator; has a good lock wind function And sealing effect; simple structure, easy to use.

At present, a series of equipment has been formed: (Φ300 × 1.25, Φ340 × 1.3, Φ400 × 1.5, Φ500 × 1.5, Φ630 × 1.5) Among them, Φ340 × 1.3 (drawing: YY501.0) is the most commonly used.