Core Tip: The ball mill is the key equipment for crushing the material after it has been crushed. It is widely used in the production of cement, silicate products, new building materials, refractory materials, fertilizers, non-ferrous metal beneficiation and glass ceramics, dry or wet grinding of various ores and other grindable materials.
It is understood that the most important equipment in the preparation of aerated concrete raw materials is the ball mill, which is used for grinding of lime, gypsum, sand, slag and other materials. The material can only be fully mixed and mixed after being ground and required to be fine, so that the product can reach the strength. Grinding is an important procedure in the production of aerated concrete. The grinding process consumes a large amount of electricity, and the ball mill is generally aerated concrete. The largest motor capacity in the factory.
The ball mill is composed of a horizontal cylinder, a hollow shaft for feeding and discharging, and a grinding head. The cylinder is a long cylinder. The cylinder is provided with an abrasive body. The cylinder is made of steel plate, and the steel liner is fixed with the cylinder. Generally, it is a steel ball, and is loaded into the cylinder according to different diameters and a certain proportion, and the grinding body can also be used as a steel section.
As a key mechanical hardware equipment for the application of a wide range of cement, new building materials, refractory materials, black and non-ferrous metal dressing and glass ceramics, the mechanical structure of the ball mill consists of the feeding part, the discharging part, the turning part and the transmission part (reducer , small transmission gears, motors, electronic control) and other major components. The hollow shaft is made of cast steel, the inner lining can be replaced, the rotary large gear is processed by casting hobbing, and the barrel is embedded with wear-resistant lining, which has good wear resistance. The machine runs smoothly and works reliably.
The main body of the ball mill comprises a cylinder body with a lining made of wear-resistant material, a bearing for carrying the cylinder and maintaining its rotation, and a driving part such as an electric motor, and a transmission gear, a pulley, a V-belt and the like. Regarding the part called the blade, it is generally not the main part. In the feed inlet of the component at the feeding end, there is an inner spiral which can be called an inner spiral blade, and an inner spiral in the discharge opening of the component at the discharge end can also be called an inner spiral blade. In addition, if a screw conveyor is used in the auxiliary equipment at the discharge end, there will be a part called a spiral blade in the equipment, but strictly speaking, it is not a part of the ball mill.
Dry ball mills and wet grid ball mills are available depending on the material and the method of discharge. The energy-saving ball mill adopts self-aligning double-row centripetal spherical roller bearing, which has small running resistance and remarkable energy saving effect. In the cylinder part, a section of conical cylinder is added at the discharge end of the original cylinder, which not only increases the effective volume of the mill, but also makes the medium distribution in the cylinder more reasonable. It is widely used in the grinding of non-ferrous metals, ferrous metals, non-metal dressings, and chemical and building materials industries.
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Label: Introduction to the mechanical structure of the ball mill
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