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The Selection Of Bauxite Mill Should Be Considered From The Technical Point Of View

Last Update:2020-05-06 12:00:30

The complete configuration of bauxite mill includes hammer crusher, bucket elevator, storage bin, vibrating feeder, mill host, frequency conversion classifier, double cyclone collector, pulse dust removal system, high-pressure fan, air compressor and electrical control system. At present, there are many kinds of bauxite mills in common use in the market. In principle, they are generally divided into three types: the first is the high-speed impact type, the second is the low-speed roll pressure type, and the third is the air flow self impact type. According to different uses of bauxite, different processing methods are selected. The fineness of bauxite is quite different, generally 80-200 mesh, and 400 mesh is also needed. 80-200 mesh bauxite is usually made by air separation mill or common Raymond mill. The principle of two kinds of equipment is high-speed striking and low-speed rolling. Compared with the output, it is not much worse, mainly because the performance, stability and maintenance rate of the machine are different. In contrast, the utilization rate of ordinary Raymond Mill accounts for most of the market share. The speed of Raymond mill is usually lower than 300 rpm. The rated speed of small Raymond Mill 1410 is 240 rpm, and the output is about 300 kg / h; the rated speed of 2615 Raymond mill is 160 rpm, and the output is about 1200 kg / h. of course, there are more models, and the output is different, which will not be introduced here. On the technical level, what should be considered in the selection of bauxite mill? 1. Bevel gear transmission, bevel gear overall transmission, more compact structure, more convenient installation and adjustment, greatly increased efficiency. 2. Select the internal thin oil lubrication system to realize the lubrication of main shaft bearing and bevel gear shaft bearing without oil pump or lubrication station. 3. Arc air duct is adopted. This curved air duct has smooth tangential air inlet and small resistance. The internal outlet direction is conducive to the dispersion of materials and is not easy to block materials. 4. A 1500kg high-pressure spring device is selected to load on the grinding roller device, which can improve the output and increase the service life. It is very suitable for the grinding of bauxite raw material and clinker.

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