Magnesium carbonate crushing device

The utility model relates to the technical field of magnesium carbonate production, in particular to a magnesium carbonate crushing device which comprises a stock bin and a crushing box, and a crushing assembly is arranged in the crushing box and comprises a first crushing shaft and a second crushing shaft which are located on the same horizontal plane. A driving assembly for driving the first crushing shaft and the second crushing shaft to rotate is arranged on the outer wall of the crushing box, a plurality of first crushing blades are spirally arranged on the circumferential face of the first crushing shaft, a plurality of second crushing blades are spirally arranged on the circumferential face of the second crushing shaft, and the first crushing blades and the second crushing blades are arranged in a staggered mode. The utility model has the technical effect of reducing the blockage of the bottom of the stock bin. 本实用新型涉及碳酸镁生产的技术领域，具体为一种碳酸镁破碎装置，包括料仓和破碎箱，破碎箱内设置有破碎组件，破碎组件包括处于同一水平面的第一破碎轴和第二破碎轴，破碎箱的外壁上设置有驱动第一