The purpose of the process is different, and the scope and object of the examination are different. Process inspection is generally divided into the following three categories:
1. Unit process inspection (system, cycle inspection);
2. Unit inspection (single machine, operation inspection);
3. Number quality process (partial, all) examination.
The contents of the process review are as follows:
1. The nature of raw ore: including the mineral composition, structure, structure, chemical composition, particle size composition, water content, mud content, useful minerals and gangue minerals in the ore and the embedding characteristics, the true and false proportion of the ore, Friction angle, angle of repose, grindability and hardness;
2. The technical characteristics and technical conditions of each process, each operation, each unit in production, the quantity of each product in production (mine amount, yield, water volume, liquid-solid ratio, etc.) and quality (grade, recovery, particle size) Composition, etc.) for systematic investigation;
3. Check the work of certain auxiliary equipment and the impact on the selection process;
4. Calculate the total recovery of the whole plant statistics, the necessary recovery operations, about the size composition of the product, metal distribution rate, distribution of embedded bout of useful minerals and gangue minerals, the quality of the case of manufactured products;
5. Check the whereabouts of useful minerals and metals, as well as the enrichment and accumulation of certain operations and equipment.
6. Through the above examination, analyze and calculate the process and raw data, draw the mass flow chart of the ore dressing number and the slurry flow chart, compile the three analysis (sieving, water analysis, mirror) table, metal balance table, water balance table , plot the particle size characteristic curve of the product, the grade - recovery curve and the grade - loss rate curve of the relevant product ;
7. Write a process flow inspection report as required.
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