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Li mill principle: the principle of vertical mill is driven by an electric motor through reducer vertical rotating disc, solid materials by air lock feeder device into the disc from the center of the inlet, centrifugal force field and thrown to the surrounding disc by repeated rolling mill rolls and crushed. Crushed material from the edge of the disc of the overflow, which powdered material is rising from the bottom of the machine with a high-speed air from rising air and powder materials through the mill when the upper part of the separator, in the role of a rapidly rotating rotor under , grits are separated again fall into the center of the grinding disc, powder into the air from the upper part of the grinding mill, in the collecting device is collected, namely products. No particulate material away by air, after the disc through the outer loop of the overflow bucket elevator to return the mill feed, and new materials to enter into the mill grinding together again. For materials containing high moisture in the ground through the hot, wet material in the process of grinding, separator and flows in full contact with the hot air is dry, to product moisture requirements.

Vertical mill Features
A deep vertical mill set Xiang crushing, grinding, drying, grading and delivery functions, the system is simple, easy to operate adjustment, high degree of automation, both for large-scale and large scale industrial production, but also to adapt to the small-scale production
2, high grinding efficiency, energy saving and amplitude. Compared with the ball mill system, deep vertical mill can save Gordon from 30 to 50%; compared with the traditional vertical mill, mill deep Xiang Li unique structure and reduce system power consumption by about 20%.
3, Li Xiang deep grind mill product fineness proportion, high separator manufacturing precision, high efficiency separator, more suitable for the production of ultra-fine powder.
4, wear a small, low steel consumption. Gordon deep vertical mill grinding roller disc with no direct contact with the lining plate and roller surface with high wear-resistant materials, long service life.
5, reliable operation and easy maintenance. When the roller overhaul, outside the body can be dug out of the mainframe four grinding rollers, when one or two of the roller symmetrical position maintenance, use the other two symmetrical roller mill run up to the normal capacity of 60 ~ 70%, does not affect or less affect the entire production line.
6, the device cost-effective, low investment. Gordon deep vertical mill system configuration is simple, and can open layout, no plant, thus saving construction costs.
7. Gordon deep vertical mill vibration, low noise, no dust vacuum operation.