Star-shaped discharge valve and calcium hydroxide production system

The utility model relates to a star-shaped discharging valve and calcium hydroxide production system which comprises a shell and an impeller located in the shell, the impeller comprises an impeller shaft and a plurality of arc-shaped blades fixed to the impeller shaft, the two ends of the impeller shaft are rotationally installed on the shell, and the two ends of the impeller shaft are fixedly connected with the shell. And the concave surface of each arc-shaped blade is opposite to the convex surface of the adjacent arc-shaped blade. Based on the star-shaped discharge valve, powder and lump materials in a calcium hydroxide production line can be controlled to be supplied continuously and uniformly. 本实用新型涉及一种星型卸料阀及氢氧化钙生产系统，包括：壳体、位于壳体内的叶轮，所述叶轮包括叶轮轴以及固定于所述叶轮轴上的若干弧形叶片，所述叶轮轴两端转动安装于所述壳体上，各所述弧形叶片的凹面与相邻的所述弧形叶片的凸面相对设置。基于本实用新型的星型卸料阀能够控制氢氧化钙生产线中的粉料、块料连续、均匀的供给。