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Rotational speeds of vertical mills vary when they are processing different materials. Vertical mill operators should be well mastered of the rotational speed and fineness to an exact material. They should adjust the rotational speed according to different needs. Medium speed vertical mill have the common speed of 120-300 revolutions per minute. Speed influence on […]

Portland cement is the basic ingredient of concrete. Concrete is formed when portland cement creates a paste with water that binds with sand and rock to harden. Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients. Common materials used to manufacture cement include limestone, shells, and chalk […]

Manganese minerals have a long history of utilization. In China, the use of manganese minerals can be traced back to the Neolithic Weihua period of Caitao about 4500-7000 years ago. In that period, because the color of pyrolusite is black, it is easy to dye. For the ancients, it is a kind of magic pottery […]

With the development of talc ultrafine powder application industry, the market is in great need of talc ultrafine vertical mill which can achieve large scale production. Talc which is soft, smooth and creamy is common silicate mineral with Mohs hardness 1, it usually has lump shape, leaf shape, fiber shape and radial shape. Talc is […]

Advantage of slag vertical roller mill equipment The new vertical roller mill equipment is selected to grind solid waste such as slag powder, which can effectively assist the production. The new type of vertical milling equipment integrates crushing, grinding, grading and powder collecting. The equipment has high grinding efficiency, large capacity and low energy consumption. […]

Mining operations generate large volumes of mine waste, including tailings. Tailings As Resource Another productive means of utilising tailings is to create more sustainable by-products. This includes everything from commercial shotcrete and concrete products for self-sustaining uses such as mine roads, brick and tile manufacture, insulation, or even foamed products. Tailings as a resource has […]