Raymond mill is widely used for grinding non-flammable and non-explosive materials whose Moh’s hardness is below 9.3 and humidity less than 6% such as barite, calcite, potassium feldspar, talc, marble, limestone, dolomite, fluorite and lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass and thermal insulation material in mine, metallurgy, chemistry and building industry. The granularity of the final products of the R type Raymond mill can be adjusted in the ranges of 80—325 meshes and part materials can reach 600 meshes.

The long replacement cycle of the grinding roll and the grinding ring eliminates the shortcomings of the centrifugal crushing machine. The winnowing airflow of the machine works circularly from the draught fan, to the mill shell, cyclone separator and then back to the draught fan again. Therefore, the dust is less than that produced by the high speed Centrifugal Crusher, resulting in a clean operating workshop without polluting the environment. The fineness of the finished product can be adjusted from 440 micron to 613 micron according to requirements. Through the function of separator and blower, raymond mill can meet different customers demand. Main structures of Bentonite grinder mill is in the following:

The Raymond mill is mainly made up of the host, analyzer, blower, finished product cyclone separator, micro powder cyclone separator and air pipe. Among them, the host is made up of frame, volute for the wind getting in, relieving knife, grinding roll, grinding ring and cover of shell.

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