| 摘要 |
<p>A feeding device for materials that are difficult to feed, comprising an inlet (1), a hose pump (2) comprising a pump hose (11) which partly surrounds the circumference (13) of a pump wheel (12), which is provided with at least one pump cam (14), a feeding hose (4) arranged after the hose pump (2) and at least a first nozzle (3) arranged at the outlet of the hose pump (2) for supply of pressurized gas.</p> |
