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Coal is produced and consumed in many countries, and coal is classified in different ways according to different purposes. The current classification method is based on the classification of coking coal, which mainly includes: anthracite, lean coal, bituminous coal, lignite, etc. The fixed carbon content in anthracite reaches 93%-98%, and the volatile matter is less […]

First, the current situation of domestic supply and demand of bauxite: Guikuang Machinery bauxite mill learned that the bauxite resources are relatively scarce, and the static guarantee period is only 10 years. Domestic resources are inherently insufficient, on the other hand, alumina production capacity continues to expand. With the large-scale increase in the demand for […]

Calcium carbonate is an inorganic compound, the main components are limestone and calcite. Calcium carbonate can be divided into two categories: heavy calcium carbonate and light calcium carbonate. Due to the nature of the particle size, crystal form, the interface is difference, its characteristics vary widely, so that the activity of calcium carbonate extends to […]

The preparation methods of slag micropowder mainly include ball mill system, vertical roller mill system and roller press system. Ball mill system investment is low, but due to its high energy consumption, high noise, and small stand-alone capacity, it is generally used for small-scale production. The roller press is a new type of energy-saving grinding […]

Raymond mill is a common powder processing equipment in industry. At the same time, Raymond mill is easy wear equipment. So, before delivery, we will check every part of the facility. While checking the equipment, all parts should be checked to ensure complete performance. The rotating parts should also be checked to avoid accident. When […]

The vertical shaft impact crusher consists of rotor, crushing cavity, motor, transmission device, main shaft system, lubrication system and electronic control system. In order to maintain the good performance of the sand making machine, it is necessary to do a good job of daily maintenance, find and deal with faults in time. 1. Lubrication The […]