What are the requirements for qualified ball mill balls?
The ball mill is the key equipment for crushing the material after it has been crushed. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizer, black and non-ferrous metals and other metals and glass ceramics production industry, a variety of ores and other materials can be dry grinding or wet grinding . The ball mill is suitable for grinding various ores and other materials. It is widely used in mineral processing, building materials and chemical industries. It can be divided into dry and wet grinding methods. According to different mining methods, it can be divided into two types: grid type and overflow type. What are the requirements for a qualified ball mill steel ball: The steel ball is a medium used by the ball mill to grind the material. It impacts and grinds the material during the operation of the ball mill, and grinds the material into a fine powder. The loading and cooperation of steel balls have a significant impact on the output of the mill and the quality of the products. Therefore, the ball is an important part of the daily process technology management of the ball mill. So what kind of steel ball is the most suitable for the ball mill? 1. Impact force: When the impact energy generated by the steel ball exceeds the strength limit of the material, the material is pulverized, but the excessive impact force is applied to the ball mill liner and the cylinder body is also increased in stress, and the energy consumption is also large, so the steel is selected. When the ball is used, its impact factor must be considered in the first place. 2. Grinding force: During the operation of the ball mill, the surface area of ​​the steel ball is mainly increased by the surface area of ​​the steel ball, thereby improving the grinding efficiency, especially for the fine grinding bin which is ground by the grinding action. of. 3. Storage capacity and extrusion force: Through the size ball grading, reduce the gap between the steel balls, increase the bulk density of the steel ball, so that it has the proper storage capacity. On the one hand, the flow rate of the material in the mill can be controlled, and the residence time can be extended to obtain sufficient grinding; on the other hand, the material is extruded to facilitate the impact pulverization of the large ball. 4. Number of impacts: The number of times is the main means to improve the fineness and yield of grinding. Increase the number of impacts by reducing the ball diameter and increasing the number of balls, which is necessary for impact and grinding. The impact force, the number of impacts and the storage capacity of the steel ball depend on the ball diameter of the ball mill. When the load is the same, the larger the average ball diameter, the stronger the impact force, the larger the void ratio, the faster the flow velocity, but the number of impacts decreases, and the storage capacity becomes weak. For hard-to-grind materials, it is necessary to have a strong impact force on the steel slag grinding, and to increase the number of impacts and to prolong the grinding time of the materials in the warehouse. In actual production, it should be selected according to the actual situation of grinding. As the most important part of the ball mill, the position of the steel ball is naturally self-evident, so we must strictly follow the requirements when selecting and adding the ball mill to ensure the normal operation of the equipment. Portable Gas Stove,Gas Burner,Outdoor Burner,Burners For Industrial Stove Ningbo Best Channel Import & Export Co., Ltd. , https://www.nbbtc-metal.com