Material is separated from the conveying air at the use point, then discharged on a batch basis via butterfly or slide gate valves, or continuously via rotaryairlock valves.
物质在实用点与输送空气分离，然后通过蝶阀或滑动闸门阀分批排出，或者通过旋转气闸阀门持续排出。
2
The invention discloses a two-stage airlock screw feeder, which is provided with a rotating rotary-vane feeder at the exit compared with the prior screw feeder.