As coal powder is the most important fuel in the power plant, The plant owners need coal mill or coal grinder mill to grind the coal to micro powders. Raw coal is fed through hopper at the top of the coal grinder mill and...

Bauxite is the most important aluminium ore. This form of rock consists mostly of the minerals gibbsite Al(OH)3, boehmite -AlO(OH), and diaspore -AlO(OH), in a mixture with the two iron oxides goethite and hematite, the c...

Basalt is used in construction (e.g. as building blocks or in the groundwork), making cobblestones (from columnar basalt) and in making statues. Basalt is also good material for the production of cast stone. Multi-vesicul...

Baryte, or barite, is a mineral consisting of barium sulfate. The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte itself is generally white or colorless, and is the main source of barium. Baryt...

Asbestos refers to a small number of minerals that are formed of flexible fibers, and have the useful physical property of being very heat resistant. Because asbestos forms as flexible fibers, it is woven to make fabrics ...

At present, ore is a kind of hard and unbreakable material in crushing raw material. It must adopt the special method to collect and use it. However, the most utility is to crush and grind it through the mechanical force....

Amphibolite is the name given to a rock consisting mainly of hornblende amphibole, the use of the term being restricted, however, to metamorphic rocks. The modern terminology for a polycrystalline plutonic igneous rocks a...

A stone crusher is a machine designed to grind or pulverize various types of rock into small, relatively uniform pieces. Aggregate crushers are used in mining, quarrying and recycling operations. Several types of crushers...