Movable and static ring for integrated sand mill

Abstract

The invention relates to a movable and static ring for an integrated sand mill. The movable and static ring comprises a movable ring and a fixed ring, and the movable ring is provided with an inner cavity with an opening in one end; the fixed ring extends into the inner cavity of the movable ring, and is in clearance fit with the wall of the inner cavity of the movable ring; a plurality of rows ofthrough hole sets arranged at intervals are formed in the peripheral wall of the fixed ring in the axis direction of the fixed ring; a plurality of rows of elongated slot sets arranged at intervals are formed in the peripheral wall of the movable ring in the axis direction of the movable ring, and are provided with elongated slots evenly distributed in the circumferential direction; and the through hole sets and the elongated slot sets are arranged in a staggered mode, and communicate with each other through rotation of the movable ring. According to the movable and static ring, through arrangement of the movable ring and the fixed ring which are moved relatively, and by using the shearing effect between the through holes and the elongated slots which are formed in a staggered mode, finegrinding of materials is achieved in cooperation with a grinding medium, so that the conditions of uneven distribution and poor particle size distribution of grinding media after grinding can be overcome properly, and the grinding quality is improved.

Description

technical field [0001] The invention relates to the technical field of sand mills, in particular to a dynamic and static ring used in the coarse grinding chamber of an integrated sand mill. Background technique [0002] Sand mills are used for fine grinding of materials, which can realize continuous processing and continuous discharge of materials. Since traditional sand mills basically use wet grinding, the ground materials need to be dried, resulting in cumbersome grinding process. Therefore, there is an integrated sand mill for dry grinding. The material is ground through the coarse grinding chamber and the fine grinding chamber in the body. In the grinding chamber of the traditional sand mill, grinding discs arranged in a certain order are installed on the main shaft. , with the grinding medium to grind the material, but this conventional grinding disc is likely to cause uneven distribution of the grinding medium and poor particle size distribution after grinding. Cont...

AI Technical Summary

Problems solved by technology

[0002] The sand mill is used for fine grinding of materials, which can realize continuous processing and continuous discharge of materials. Since traditional sand mills basically use wet grinding, the ground materials need to be dried, resulting in a more cumbersome grinding process.

Therefore, there is an integrated sand mill for dry grinding. The material is ground through the coarse grinding chamber and the fine grinding chamber in the body. In the grinding chamber of the traditional sand mill, grinding discs arranged in a certain order are installed on the main shaft. , with the grinding medium to grind the material, but this conventional grinding disc is likely to cause uneven distribution of the grinding medium and poor particle size distribution after grinding

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