Cement raw material, power desulfurization powder, gypsum powder, weathering metal ore, non-metallic ore Mohs hardness below 4, the density of 4.6 below, the compressive strength of 170Mpa below, non-flammable and explosive, non-corrosive brittle material.
Thermal power, steel, coal injection boiler and other coal.
Slag, fly ash, bauxite, metal ore, weathering quartz, feldspar, granite and other Mohs hardness in 4-6, density below 4.6, compressive strength of 170 ~ 240Mpa, non-flammable and explosive, no corrosive brittle materials.
(1)High grinding efficiency: The roller grinds materials on the mill directly, which makes the energy consumption is 30%~40% less than the one of Bill Mill.
(2)Little Wear: The roller and lining plate are made of premium material to have long service life.
Hydraulic device is adopted to control the acting force, and the acting force can be automatically adjusted according to different grindability of the raw material, which keeps the grinding mill in a perfect condition, not only reducing the consumption of the idle work, but also prolonging the using life of rollers and liners.
Because the hot wind dries the materials in the mill, a drying machinery is saved. And the temperature of hot wind can be controlled to suit different moisture conditions of different materials.
The materials stayed shortly in the mill for easily detecting and controlling of the fineness and chemical composition of products, which can make the final size stable. There is few Ferric in final powder and the ferric content come from mechanical wear is easy to remove, the whiteness and purity is high, especial for processing white material.
The mill is equipped with an auto-control system which allows PCL, centralized and DCS control, which makes the operation much easier and meets the different needs from the customers.
The mill makes small noises in its running because there is no direct contact between rollers and the grinding table, so it reduces 20-25 dB than that of ball mill. Plus, the vertical mill is totally sealed and the whole system works in negative pressure, making little dust.
The main motor through the reducer to drive the grinding wheel rotation, while the hot air from the inlet into the vertical mill, the material from the feed down the center of the disc, under the action of centrifugal force, the material from the center of the disc to the edge of the uniform movement, the roller area is crushed by crushing. And then shredded material to the edge of the disc to move, qualified fine powder with the air with the grinding, the system is collected by the collector is finished.
MATERIAL : Limestone
FEEDING SIZE : 25mm
OUTPUT SIZE : 0.074mm
CAPACITY : 40-50 t/h
CONFIGURATION : 190K vertical mill
MATERIAL : Coal
FEEDING SIZE : 20mm
OUTPUT SIZE : 200mesh
CAPACITY : 18-20 t/h
CONFIGURATION : 150K vertical mill
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