The crystal structure of dolomite is similar to calcite, the crystal shape is rhombohedral, the crystal surface is often bent into saddle shape, poly-sheet double crystal is common, mostly in the form of blocky, granular aggregate. Pure dolomite is white, sometimes gray-green, gray-yellow, pink and other colors due to the inclusion of other elements and impurities, glass luster. Three groups of rhombomorphs are completely solved, brittle. The dolomite grinding process can produce coarse, fine and ultra-fine products, especially in China, the sales of dolomite is very large, the future is bright.
Dolomite
A. The process of dolomite and the equipment involved
Dolomite processing is divided into four stages, crushing, grinding, grading and powder collection four stages. In the crushing stage, the crusher is selected and crushed to a fineness that can enter the mill. In the crushing stage, the dolomite is sent to the silo through the elevator, then the vibrating feeder sends the material evenly to the grinding chamber of the mill for crushing, then the unqualified material is classified and sent to the mill for reprocessing, the qualified material enters the powder collecting link, the final dust collector is collected, and the final product is sent to the finished product silo through the discharge port through the transfer equipment. During this period, attention should be paid to its emission and meet the requirements of environmental protection.
B. dolomite grinding processing stage equipment recommendation?
According to the different needs of the finished product, you can choose different types of grinding equipment, such as coarse powder processing can choose CM European coarse powder mill, this machine is suitable for medium or fine, compressive strength of less than 320 MPa of all kinds of soft, hard ore, suitable for handling fragile dolomite, and less wear; fine powder processing can choose LM vertical roller mill, MTW European version of the mill, 5X European intelligent mill, these three All three mills are suitable for the processing of fine powder, and all three mills have their advantages and disadvantages, which can be used according to different situations and different applicability; MW ring roller micro mill and LUM ultra-fine vertical mill can be used for the production of ultra-fine powder, and LUM ultra-fine vertical mill is a new type of powder based on LM vertical mill, which is developed and researched, and has a better crushing effect. MW ring roller micro mill is a new type of mill, which can be used for Mo hardness less than 9, humidity less than 6%, can't burn, can't explode, very suitable for dolomite and other materials.
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