Ball grinder is a common industrial device used to grind materials into fine powders or mixtures, and works on the basis of interactions between grinding and materials. The rationale of the mill is described in detail below。
What does the grinder do
I. Structure and composition of the mill
What does the grinder do
The ball grinder consists mainly of the feed, roller, discharge, electric and control systems, etc. The feed component consists of feed devices, feed tubes and valves, which are used to carry the material into the roller; the core part of the roller, which is made up of grinding balls, grinders, grinders and bearings, which are used to grind the material, usually made of high hard steel, casting iron or ceramics; the grinding plate, which is used to support the ball and the material, usually made of alloy steel or casting iron; the grinder, which is used to accommodate the ball and the material, which is usually made of steel or casting iron, which is made up of a certain strength and rigidity; and the bearing, which is used to support the grinder and rotary parts, which is usually made of roll bearings or slide bearings; the off of the material, which is made from the point of output, from the tube and valves, which is used to remove the good grinder; the grinder, which is used to monitor and control the working state of the grinder。
Ii. The rationale for the grinder
What does the grinder do
The work of the grinder is to grind the material using the grinding ball in the roller, and the process is divided into two stages: the start-up phase and the stabilization phase。
Start phase: when the grinder starts, the roller starts to rotate and the grinder starts to interact with the material. At the start stage, the amount of grinding balls is small and the amount of particles in the material is large, so the grinding of the ball is less damaging to the material and the particles in the material are not easily shredded, at which point the material is less shredded。
What does the grinder do
The stabilization phase: the number of grinding balls has gradually increased, the amount of particles in the material has become smaller, the effect of grinding the ball on the material has increased, and the amount of grinding particles in the material has gradually been reduced. When the number of grinding balls in the roller reaches a certain level, the grinding ball begins to create a collision and friction between them, forming a grinding layer, when the material is gradually transformed into a fine powder or mixture through multiple grinding and impacting of the grinding layer. The wear at this stage is the predominant wear process in the ball grinder。
What does the grinder do
Iii. Factors affecting the grinding effect of the mill
The grinding effect of the mill is influenced by a number of factors, including the following:
What does the grinder do
1. Number and size of grinding balls: the choice of the number and size of grinding balls directly affects the grinding effect of the grinding machine. If the number of grinding balls is too small or too small, they may lead to inadequate wear and tear effects; and if the number of grinding balls is too large or too large, they may result in the smooth functioning of the rollers and excessive friction between them, thus affecting the life of the grinding machines。
2. Hardness and composition of grinding: the hardness and composition of grinding also affect the grinding effect of a ball mill. Usually, the hardness of the grinding material is higher and the grinding effect is better, but the wear is faster; the composition and shape of the grinding material also have a certain impact on the grinding effect。
What does the grinder do
3. Hardness and humidity of materials: the hardness and humidity of materials also affect the grinding effect of the ball mill. If the material is too hard or too wet, the grinding of the ball has less effect on its wear and is less effective in grinding; and if the material is too soft or dry, it may lead to the grinding of the ball, which affects the life of the mill。
What does the grinder do
4. Rotation speed and tilt angle of the roller: the rotation speed and tilt angle of the roller also affect the grinding effect of the ball mill. Usually, the higher the rotation of the roller, the stronger the wear, the better the grinding effect, while the tilt angle affects the direction and speed of the material flow within the roller, and thus the grinding effect。
What does the grinder do
In summary, the grinding machine is a device that uses the principle of interaction between grinding and materials。
