| 摘要 |
A device for discharging powdery material, constituted by a hopper (2) provided with an upper loading opening (6) and with a lower discharge opening (7) and provided internally with a valve (13) for temporary closure or throttling of the discharge opening (7). Inside the hopper (2), which is fixed, there are means (12) adapted to allow and control the manual or automatic vertical movement of the valve (13) and a radial element (8) for dispersion which is arranged below the upper loading opening (6) and accommodates or does not accommodate the means (12). |
