Grinding Ball Mill Introduction The Grinding Ball Mill is the key equipment for crushing the material after it has been crushed. This type of grinding machine is equipped with a certain number of steel balls as grinding media in its cylinder. It is widely used in the production of cement,...Send Inquiry
Grinding Ball Mill Introduction
The Grinding Ball Mill is the key equipment for crushing the material after it has been crushed. This type of grinding machine is equipped with a certain number of steel balls as grinding media in its cylinder.
It is widely used in the production of cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal dressings and glass ceramics, dry or wet grinding of various ores and other grindable materials. 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.
Ball mill loading ball
The main function of the steel ball in the ball mill is to impact crushing the material and also play a certain grinding effect. Therefore, the purpose of grading steel balls is to meet the requirements of these two aspects. The quality of the crushing effect directly affects the grinding efficiency, and ultimately affects the output of the ball mill. Whether the crushing requirement can be achieved depends on whether the grading of the steel ball is reasonable, mainly including the size of the steel ball, the number of ball diameters, and the ball of various specifications. Proportion and so on.
In addition to factors such as the size of the ball mill, the internal structure of the ball mill, and the fineness requirements of the product, the parameters of the milled material (wearability, particle size, etc.) should be considered.
In order for the material to be effectively crushed, several principles must be followed when determining the grading:
First, the steel ball should have sufficient impact force to make the ball mill ball have enough energy to crush the particulate material, which is directly related to the maximum ball diameter of the steel ball.
Secondly, the steel ball must have enough impact times on the material, which is related to the ball filling rate and the average ball diameter. When the loading amount is constant, under the premise of ensuring sufficient impact force, the diameter of the grinding body is reduced as much as possible, and the number of steel balls is increased to increase the number of impacts on the material to improve the pulverizing efficiency.
Finally, the material has sufficient residence time in the mill to ensure that the material is fully comminuted, which requires the steel ball to have a certain ability to control the flow rate of the material.
Parameters of Grinding Ball Mill
Grinding ball volume L
Loading volume L
The so-called two-stage ball-matching method uses a steel ball of two different sizes and different diameters to perform grading. The theoretical basis is that the gap between the large balls is filled by the small balls to fully increase the bulk density of the steel balls. In this way, on the one hand, the impact capability and the number of impacts of the mill can be improved, which is in accordance with the functional characteristics of the abrasive body. On the other hand, the higher bulk density enables the material to obtain a certain grinding effect. In the two-stage ball, the role of the big ball is mainly to impact crushing the material. The function of the ball is to fill the gap between the large balls, increase the bulk density of the grinding body, to control the material flow rate, and increase the grinding capacity; The energy transfer function transmits the impact energy of the large ball to the material; the third is to discharge the coarse particle material in the gap and place it in the impact zone of the large ball.
Professionalism is our advantage. After more than 20 years of careful research, the shape and internal structure have been improved several times, and the sand mill is now quite perfect. This is something that other similar factories cannot rely on, so that we can say that we can make customers feel comfortable. Comfortable use. Customer feedback is also the most powerful proof.
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