The results revealed the changing laws of the velocity of waste plastics particles and gas, the volume fraction of the waste plastics along the pipe range in the course of pneumatic conveying.
To transfer waste from the particulate collector, dilute-phase pressure pneumatic systems are most common, although pneumatic vacuum systems also are being used successfully.
从属于颗粒的收藏家转移废物，稀释阶段压力气动系统是最共同，虽然气动力学真空系统成功地并且被使用。
3
The pneumatic separation technology for the separation and enrichment of metal in the waste printed circuit board scraps is investigated.