The plant was put into operation in 1971 with a design scale of 6.5 million t/a. The actual processing capacity is about 5 million t/a due to the low processing capacity of the self-grinding mill (73 t/(å°Â·h)). Multi-element analysis of ore element TFe SFe FeO SiO 2 AL 2 O 3 CaO MgO Mn P S Content % 29.61 28.35 12.75 50.84 0.56 2.19 2.12 0.059 0.098 0.018 (2) Process: The plant is a magnetic separation plant that adopts wet self-grinding in China. The production practice has proved that the beneficiation process adopted by the plant is basically feasible, except that the processing capacity of the self-grinding mill is lower than the design. In addition to the indicators, the other production indicators are at or near the design indicators. The process flow is shown in the figure below:
A manufacturing process that produces accurately, defined, smooth and textured-surfaced metal parts. Accomplished by forcing molten metals into a mold form due to high-pressure systems.
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(1) The nature of the ore: ore processing plant to actinolite magnet quartz, followed by a male from hematite quartzite and actinolite Bonanza magnet and the magnet portion actinolite schist, marble magnet, magnet talc schist. The iron-bearing minerals are mainly magnetite, and the gangue minerals are mainly quartz, actinolite, calcite and talc. The ore is in the form of a strip and a dense block, and is a medium- and fine-grained inlay.
The ore geological grade is 31.49%, the average grade is 29.61%, and the magnetic permeability is 40%. The ore density varies with the amount of iron, generally 3.4 t/m 3 , and the rock density is generally 2.6 t/m 3 . The ore has a hardness of 12 to 16 and a rock hardness of 10. The looseness factor is 1.5~1.6. The multi-element analysis of ore is shown in the following table: 
