Ultrafine mill is one of the widely used equipments in the milling and processing industry. According to industry sector statistics, the share of ultrafine mill in the domestic grinding equipment is up to 70% or more. However, as production proceeds, there will be a decrease in the powder output rate, affecting the production efficiency. In this article, we share the three reasons why the powder rate of ultrafine mill is reduced and how to improve the powder rate.
First, the reasons for the reduction of ultra-fine mill powder rate
1, the analyzer does not play a role
Ultrafine mill analyzer is responsible for analyzing the size of the finished powder, whether it meets the standards of finished products, the need for sanding again, in the case of serious wear and tear of the analyzer blades, can not play the role of grading, which will result in the powder is too coarse or too fine, in this case, change a new blade can be solved.
2, the fan is not adjusted
Ultrafine mill fan air volume if not adjusted, the air volume is too large, will also cause the mill powder is not normal, the powder will be too coarse, the air volume is too small, the powder will be too fine, in the case of checking the other conditions are not abnormal, the air volume should be adjusted in order to correct the particle size of the powder.
3, shovel knife failure
Ultrafine mill shovel knife is responsible for shoveling up the material, when the shovel knife used for a period of time or the quality is not hard enough, wear and tear, the material can not be shoveled, which will cause no powder or less powder, which will need to change the new shovel knife, so as to protect the normal operation of the equipment.
Ultrafine Grinding Mill
Second, how to improve the powder rate and output?
Generally speaking, in order to make the ultrafine mill production process of large powder output, high yield, there are the following requirements:
1, scientific and reasonable collocation
Ultrafine mill for work, on the one hand, we should consider whether the equipment model selection can be done to meet the daily production requirements, to avoid equipment overload load work; on the other hand, the material selection, try to choose moderate hardness, more suitable for ultrafine mill materials, to prevent the material hardness is too large, it is difficult to realize the grinding operation, blocked in the discharge port, resulting in powder difficulties.
2、Reasonable selection of host speed, improve host grinding force
Considering the host motor's carrying capacity is a factor to improve the productivity of the pendulum mill. Increase the kinetic energy of mill operation, adjust the belt or replace it with a new one.
Ultrafine mill used for a period of time, should be overhauled, at the same time on the grinding roller grinding ring shovel knife and other wear parts for maintenance for processing, grinding roller device before and after the use of the connecting bolts and nuts should be carefully inspected to see whether there is a loose phenomenon, lubricating oil grease is added to the full, in addition to the use of roller device more than 500 hours or so to change the rollers, roller sleeve of the rolling bearings must be cleaned, and the damaged parts should be change in time.
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