Solve coarse discharge of calcium carbonate grinding mill

As the main crushing equipment for mineral materials such as metallurgy, building materials, chemical industry and mines, the

is widely used.The feeding and discharge fineness of different types of calcium carbonate grinding mill equipment are clearly stated in the technical parameter table. The manufacturer is equipped with different power motors, different number of grinding rolls, frequency conversion flour separators, etc. to ensure the fineness of finished products can be adjusted to 325-2500 purposes.

Discharge does not meet the established standards mainly from the following two aspects:

(1) Check whether the blades of the analyzer are worn or not.

The blade of the analyzer plays an important role in the process of powder selection. After the material is grinded in the grinding chamber, it enters the analyzer. The main function of the blade is to analyze the finished material. If the blade of the analyzer is worn seriously, it can not analyze the finished material, so it may lead to the coarsening of the pulverizer. Blade maintenance belongs to normal equipment maintenance knowledge, vulnerable parts should be inspected regularly to ensure the normal pulverizing fineness of calcium carbonate grinding mill.

(2) Check the air volume of the fan

In the closed-circuit circulating pulverizing system of calcium carbonate grinding mill, under the action of the impeller of the separator, the material that does not meet the fineness requirement falls into the grinding chamber for re-grinding, and the material that meets the fineness requirement enters the cyclone collector with the air flow through the pipeline for separation and collection, and is discharged into the finished powder through the discharging device, and the separated air flow enters the fan through the upper return air pipe of the cyclone collector. The size of the fan air volume directly affects the classification effect, can not be too large or too small, the wind speed of the fan should be adjusted reasonably.

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