In the domestic cement industry, wet continuous ball mills have long been widely used. However, the main raw materials are no more than four, and the clay with a slightly higher water content accounts for about 10% of the whole raw material. After a little drying or natural drying, the silo can be fed into the silo.
In the domestic cement industry, wet continuous ball mills have long been widely used. However, the main raw materials are no more than four, and the clay with a slightly higher water content accounts for about 10% of the whole raw material. After a little drying or natural drying, the silo can be fed into the silo. Moreover, the number of silos and ingredients is small, and it is easy to realize the micro-machine ingredients, but the premise of using the batching system of the cement industry is that all the raw materials must be dry. The ball mill designed with different techniques for the regional characteristics of raw materials has low cost of compounding and high degree of automation. It is a continuous ball mill that is currently applicable. Since the degree of difficulty in grinding the materials is different, in order to ensure the uniformity of the slurry, the slurry which is ball milled is also introduced into the slurry tank. At the beginning, although the materials that came in and out were not exactly the same, but because of the conservation of mass, the mixing through the pool became a uniform slurry, thus fully guaranteeing the requirements of the formula.
The ceramic ball mill adopts large-diameter double-row spherical roller bearing, which is convenient for maintenance. It is matched with the integral steel underframe, with high installation precision, simple installation and installation, short cycle and high efficiency. Experts say that the ball mill grinding phenomenon is more common in the industry. It is caused by the loss of balance between the inlet and outlet of the tube mill and the excessive amount of grinding memory in a short period of time. In the event of this phenomenon, the operator should immediately identify the cause and eliminate it. The method of elimination is generally to reduce or stop feeding, and to strengthen the internal ventilation of the mill, so that the mill runs under less material or no material to generate more heat. The drying mill should increase the heat into the mill, causing the water to evaporate faster and be carried away by the hot gas stream. At the same time, the material adhering to the squeezing of the steel ball, the lining plate and the partition plate is cracked under the thermal expansion of the adherend, and is peeled off under the repeated impact of the grinding body.
Because the water content of the slag entering the ball mill is not higher than 1.5%. This affects the flow rate of the ore inside the ball mill and the ore output and the amount of electricity consumed. The slag at the output end will be considerably affected in the micronized state. Therefore, it is particularly worth noting that in the operation details of the ball mill grinding phenomenon, when the internal surface area of the ball mill is greater than 420 m/kg, the static electricity generated by the work causes the slag to adsorb on the inner wall of the ball mill. In addition, if the water is too large, it will cause bagging and stagnation.
If the above measures are invalid, the grinding aid material may be added to the grinding machine while the feeding is stopped. After the grinding sound is close to normal, a small amount of material is fed. After the grinding is normal, gradually increase the feeding amount until the normal feeding. When the grinding is very serious, sometimes it needs to be treated by back grinding: Pour out the ball and material in the warehouse, thoroughly cut the lining and the crust on the steel ball, remove the blockage of the quilting of the compartment board, and then re-match ball or load the ball that is poured out. When the ball mill needs clearance, it is appropriate to use the reverse grinding method.
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