Natural sand mining cost is higher and higher in recent years, after many years of continuous mining, natural sand resources is rapidly reduced, and at the same time in order to maintain the natural landscape, protection consideration of damming, protect the ecological balance. Place in growing Numbers are beginning to use artificial sand making machine…

Also known as red hematite ore its chemical formula is Fe2O3, it is a kind of weakly magnetic iron ore, good flotability of the magnetite, is one of the main raw material of iron. Its main mineral processing technology has a gravity separation, flotation and magnetic separation or with a variety of mineral processing process,…