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Factors affecting the output of high pressure roller mill

Date:2019-07-09 09:15 Source:未知Views:

There are many kinds of metal ore resources in China, but most of them are poor, miscellaneous and fine.In order to solve the outstanding problems of economy, technology and environmental protection in mining development, domestic metal mining enterprises actively introduce, digest and absorb new and efficient mining production equipment from abroad.

Under such market background, the high pressure roller mill is the high-efficiency crushing equipment which is firstly studied and demonstrated and started to be applied in domestic metal mining enterprises. It is also the most concerned mining production equipment in the domestic mining industry.It can be said that high pressure roller mill is widely used in domestic metal mines.Output refers to the flow of high pressure roller mill, that is, the processing capacity.Generally speaking, the system is equipped with the process flow of coarse material return extrusion, and the final output is not the same as the flow of high pressure roller mill.There are many factors that affect the output of high pressure roller mill.

1) bulk density of extruded cake.

Depending on the density and extrusion pressure of the material, the higher the density of the material, the greater the bulk density of the cake.The greater the pressure, the greater the bulk density.For iron ore, the capacity of high grade iron ore is significant.Cake bulk density is generally obtained through experiments.

2) the thickness of the extruded cake.

It mainly depends on the diameter of the high pressure roller mill, the shape of the roller pattern and the grain distribution of the feeding material. The larger the diameter of the roller, the thicker the cake. When the pattern pattern is appropriate, the thickness of the cake is generally 2.5%~3% of the diameter of the roller.

3) roller width of high pressure roller mill.

The width of roller is proportional to the passing quantity, and the wider the equipment, the less leakage ratio of roller mill edge, the better the extrusion effect.As a result, overseas use of wide roller mill, some manufacturers roll width even more than the diameter of the roller.Due to the limited volume of bearing and reducer, the width of roller cannot exceed the diameter of roller.

4) linear speed of roller surface of high pressure roller mill.

The linear speed of roller surface directly determines the passing quantity. Generally, in order to improve the production capacity of high pressure roller mill, relatively high linear speed will be chosen.However, the linear speed should not be too high, or it will increase the vibration and wear of the equipment.The lower the linear speed, the smoother and more reliable the operation of the equipment.

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