摘要 |
A pneumatic conveyor for transporting bulk materials, in particular tablets, has a compressor for conveyor gas and has a bulk material feed and a conveyor line, in particular hose, arranged therebetween, and a bulk material discharge. To prevent contamination of the environment during operation, a shut-off device is provided between a collection volume and the conveyor line. A method for operating a pneumatic conveyor conveys sample volumes intermittently. |