Cement ball mill is a type of ball mill; the rotation is usually between 4 to 20 revolutions per minute, depending upon the diameter of the mill. The larger the diameter, the slower the rotation. The point where the mill becomes a centrifuge is called the “Critical Speed”, and cement ball mills usually operate at 65% to 75% of the critical speed.
Cement ball mill USA Price
The United States is a developed country, the economy is very developed, so the price of the machines are more expensive, and most customers will choose to buy cement ball mill from developing countries, because it can save 20% – 40% of the cost.
FOX is one of the most powerful national manufacturers in producing cement ball mills in China. After exploration and summary in the design, manufacture and use for a long time, we have obtained series products with different specifications and different functional requirements to do better ultra-fine grinding of slag, cement and other materials.
Cement Mill Working Principle
Large materials are crushed by Jaw crusher to the needed sizes firstly, then the materials are elevated to storage hopper by bucket elevator, third, the materials are fed into the grinding chamber for grinding by vibrating feeder equably and continuously. The powder after grinding goes upwards together with the airflow, after separating by powder separator, those which can meet the fineness requirement enters into the cyclone powder collector through pipe together with the airflow, and then discharged from the discharge valve as final products. The airflow is sucked into centrifugal blower through wind recycling pipe at the upper part of cyclone powder collector. The mainframe is driven by the speed reducer through the central axis in the mill.
The quincunx stand connected with the upper part of central axis, at the quincunx stand, rollers are set and by which the vibrating pivot formed. Below the quincunx stand and rollers there is shovel system. Materials are fed into the space between rollers and shovels when they are turning, and then be grinded by the pressure produced when rollers are turning, thus powder is made.
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