| 摘要 |
1. Device for emptying silos, of the kind whose bottom (1) comprises hollow ribs formed by bent and corrugated metal sheets (2) forming, in combination with said bottom, passages (3) in which air is fed and forming therebetween throughs (10), characterized in that the base of the troughs is formed of extruded sections with trapezoidal cross-section, fixed to the bottom (1) of the silo and whose lateral wings (5) widen outwardly, the internal face (5a) of each wing being covered by the edge of a corrugated metal sheet tunnel (2), the latter being cut out so as to form flaps (8) allowing the air flowing under said tunnels to penetrate into said troughs, the sealing between the latter and said tunnels being obtained by a bed of cement or similar (11) disposed on the bottom (4) of said extruded section. |
