The ultra-fine mill is not the thinnest, it is unscientific and unprofessional, the key is to see what raw materials you use for milling and processing, and the fineness of different materials is different.
Ultrafine powder processing of more than 100 materials such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talc, barite, mica, illite, carbon black, pyrophyllite, sepiolite, gypsum, vermiculite, etc. Absolutely no ambiguity.
But at present, the material of the ultra-fine mill should be able to process up to 3000 mesh.
Generally, calcium powder with a mesh size of 500-1000 mesh can be applied to various fields.
The so-called ultra-fine mill is only finer than the conventional high-pressure mill. It is completely unnecessary to use an ultra-fine mill for lime grinding.
Taking calcium carbonate powder as an example, calcium carbonate powder making is generally divided into calcium carbonate coarse powder processing (0-3MM), fine powder processing (20 mesh-400 mesh), and calcium carbonate ultrafine powder deep processing (400 mesh-1250 mesh ) and micro powder processing (1250 mesh – 3250 mesh) four types.
We only talk about the grinding stage. The crushed calcium carbonate small pieces are sent to the silo by the elevator, and then sent to the grinding chamber of the mill evenly and quantitatively by the vibrating feeder for grinding.
Fine powder processing can choose 5X European version intelligent mill, LM vertical roller mill, MTW European version mill;
Calcium carbonate is deeply processed by the mill, and different fineness can be widely used in many industries:
Within 200 mesh, it can be used for various feed additives; between 250 mesh and 300 mesh, it can be used in rubber factories, paint factories, plastic factories, waterproof material factories, etc.;
350 mesh to 400 mesh, can be used in the sewer pipe, manufacturing gussets, chemical industry; 400 mesh to 600 mesh, can be used to make toothpaste paste, soap;
800 mesh, can be used for plastics, pvc fillers, rubber, cables; 1250 mesh, can be used for pvc, paint, coating grade products, paper top coating, paper bottom coating, etc.;
Calcium carbonate is alkaline and is often used to improve acidic soil; it can also be used to produce carbon dioxide in the laboratory;
According to different industries and different degrees of fineness, choose the product that suits you.
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