| 摘要 |
<p>A valve device (1) for regulating an inlet opening (2) to a discharge pipe (4) for fluidized sand (6) in a vessel (8), as the valve (1) located near the vessel (8) tank top (24) having a valve course (34) is operated by at least one actuator (14, 16) located above the sand (6), wherein the at least one actuator (14, 16) is coupled to the valve (1) by means of a lengthy connection (22), and wherein the valve (1) closing body (44) is constituted by a rotary plate rotatable about a rotation axis (42) between a position wherein the valve course (34) is closed and a position wherein the valve course (34) is open.</p> |
