China’s non-metallic mineral refers to all kinds of mineral resources that are not extracted for the purpose of metal extraction. It belongs to the resource category and mainly contains more than 80 kinds of minerals. Bulk minerals include: graphite, quartz, kaolin, calcium carbonate, talc, feldspar, mica, fluorite, magnesite, wollastonite, bentonite, diatomaceous earth, dolomite, barite, perlite, gypsum, asbestos etc. Special functional minerals include: zeolite, tourmaline, sepiolite, attapulgite, brucite, medical stone, illite, Iraqi Mongolia clay and so on. Mineral materials generally refers to all kinds of materials prepared under the premise of not destroying the crystal structure of non-metallic minerals, including powders and various types of products. In recent years, with the advancement of technology and the development of the national economy, new types of mineral materials emerge in an endless stream. The non-metallic mineral industry extends from resource-based industries to new-material industries, doubling their value and increasing exponentially.
Non-metallic mineral processing and metal mining, processing of combustible minerals are essentially different. Metal minerals are extracted by smelting or chemical leaching of the metal elements, combustible minerals through thermal chemical reaction, extract the heat and organic chemical components. Almost all of these two types of minerals are used to achieve the purpose of changing the chemical structure of mineral raw materials, that is, to focus on the changes in the microstructure of mineral raw materials. For non-metallic minerals, the vast majority utilize the technical physical characteristics of their macrostructures, or utilize the new technical physical characteristics formed after processing, most of which do not change or substantially change the mineral (or rock) used Microstructure components.
At present, the main processing methods of non-metallic mineral include grinding, grading, purifying and ultra-fine grinding. Non-metallic mines usually use Raymond mill for milling. The equipment has primary crushing, grading and ultrafine grinding functions, Mineral milling and mineral milling.
Guilin Hengda Mining Machinery Co., Ltd has specialized in grinding mill more than 10 years with professional teams and rich experience. The grinding mills are applied to the nonmetallic mineral with water content less than 6% and the Moh’s hardness 6-9. The grinding machines are not only sold in the domestic market of twenty provinces, but also in the Southeast Asia, Africa, South America, the Middle East markets. The advantages of the mill are pollution-free, high production low consumption and low noise and vibration.