Application

ZY series vertical ultrafine powder vertical roller mill is widely 

used to grind all kinds of Metallic and non-metallic minerals 

such as calcite, marble, limestone, barite, talc, kaolin, dolomite,

 wollastonite, gypsum, feldspar, phyllite, alumina, wollastonite,

 bamboo wood, silica black, sericite, barium sulfate, quartz sand,

 heavy calcium carbonate, light calcium carbonate, steel slag, 

furnace slag, water slag,etc.

Working principle

The main motor drives the grinding disc to rotate through the reducer, and the small materials less than 10mm enter the vertical mill’s input through the screw conveyor, and fall to the center of the grinding disc under the action of gravity, while the air generated by the fan enters the main machine from the air intake. Under the action of centrifugal force, the materials move evenly from the center of the disc to the edge, through the roller table area on the disc, then are rolled by the mill roller, the larger materials are directly crushed, the smaller materials are extruded in the material layer, and is crushed between grains again. The pulverized materials are carried upward by the strong air flow, and rise with the air flow into the powder selection system above the mainframe for classification. Under the action of the classifier rotor blade, the coarse particles are knocked down by the blade and returned to the

 grinding disc for grinding. The qualified fine powder will be brought out of the powder selection system

 with the negative pressure air flow, entering the dust removal equipment, and then collected by the powder collector, that is, the fineness product. In addition, the rest of the large particle materials and debris will fall into the lower chamber of the mill during grinding, and will be scraped into the slag discharge port by the scraper, effectively ensuring the quality of the finished product.