Fertiliser silo with hollow vertical supports - one support used for pneumatic filling at upper level, other as top outlet for pneumatic air

摘要

The silo partic. for fertiliser, comprises a container (2) with closable bottom outlet which is carried by at least three vertical supports (1) and provided with air inlet (5) for pneumatic filling and air outlet (6). At least two supports are hollow, one (1') has an air inlet connection (3) at a low level and an outlet (5,8) into the upper level of the container space (4), whilst the other has an air outlet (9,6) from this space at the upper level and a filter hose connection (7) at the lower level.