Due to the national focus on lithium new energy support, making lithium carbonate oversupply for a long time, the price is also rapidly soaring, and has become the focus of mineral processing in the industry.
The main raw ores that can be used to prepare lithium carbonate are: lithium pyroxene, lithium mica, perovskite feldspar and so on. Widely distributed in Sichuan, Jiangxi, Tibet, Xinjiang, Guangxi, Henan, Yunnan, Hunan and other regions.
Lithium ore is an associated ore, and the grade of raw ore is generally around 1.5. The extraction of lithium resources requires a set of professional processing processes. According to the material characteristics, the lithium extraction process mainly includes: sulfuric acid method, compound salt method, sintering method, etc. The above methods of lithium extraction are inevitably crushing and grinding process, when the material is crushed to the appropriate size will need to carry out the material grinding link. The vertical mill is a high temperature resistant and hot air system equipment, high temperature roasting after the material directly processed on the equipment can be negligible.
LM series vertical roller mill has high crushing efficiency, drying capacity, easy to adjust the product fineness, low noise, low energy consumption, simple process flow, low grinding consumption, low operating costs, the main technical and economic indicators have reached the international advanced level.
LM series vertical roller mill
Advantages of LM vertical mill:
Low input cost
LM Vertical Roller Mill of Liming Heavy Industry is an integrated equipment of crushing, drying, grinding, classifying and conveying.
Low operation cost
Energy saving: Using the principle of material layer grinding, the grinding wheel is crushed and pulverized directly on the grinding disc. Low wear and tear: with a limiting mechanism, it can effectively prevent the direct contact between the grinding wheel and the grinding wheel, avoiding serious impact and strong vibration. The grinding roller drum can be turned over, the life can be doubled, and the grinding roller bearing adopts forced thin oil lubrication, which has a long service life.
High crushing efficiency
Unique grinding wheel and disc structure with larger grinding roller diameter and larger grinding area, the action and action of the material through the hydraulic control system and the automatic adjustment of pressure according to the wear characteristics of the material.
Good quality products
The material has a short retention time in the mill, which can reduce repeated grinding, detection and control of particle size and chemical composition of the product, and stable product quality; the grinding roller and grinding plate are not in direct contact, and the iron content in the product is very low, with automatic slag discharge function, which ensures a white and clean product; the product has a fine particle size, uniform morphology and good fluidity.
Good drying performance
Using hot air for material conveying, when the moisture content in the powder mill is high, the inlet air temperature can be adjusted to adapt to the processing requirements of various materials with moisture content.
Easy maintenance
Adopting hydraulic flip mechanism, the grinding wheel can be fully turned out of the machine, with large maintenance space and easy replacement of wearing parts, which can be replaced and repaired in a short period of time.
Green environment
The whole system adopts negative pressure operation, there will be no dust overflow and low noise; the recycling of products uses professional vacuum cleaner, which meets the latest national environmental protection standards.
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