Analyze the Ore Particle Size of Mineral Processing Equipment

Mineral separation is the process to separate the targeted minerals from gangue, because during the ore dressing course, the processed ores are of different sizes and various shapes. In order to better understand and describe their distribution regularities, so we create the concepts of granularity, grade and granularity composition.

1. Granularity -- The size of an ore particle. In general, we will measure the ore size from different directions and then take the average value, but sometimes the granularity can also be represented by the maximum length. Its units are usually mm or um.

2. Grade -- After having been crushed and screened, the ores will be divided into several particle size ranges according to their own granularity, usually represented by the upper and lower limit.

3. Granularity composition -- For better showing the distribution regularity and situation of a certain mineral, generally we will weigh the materials of different grades, and then calculate the percentage of each grade in the mixture. The relative content of each grade in the mixture is called granularity composition.

Granularity, grade and granularity composition reflect the separation situation of a mineral to some extent, which acts as a good reference for equipment model selection and other analyses.

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