This paper describes a method of process water consumption ration calculation for production departments of iron and steel plants. The method defines parameters of statistical relationship between specific consumption of process water and production volumes taking into account data classification by production assortment and equipment operating modes. Cross-validation is used to determine a method error of water consumption ration calculation. A case study of ration calculation for ore-dressing unit of iron and steel plant is presented.

energy efficiency, rationing, water consumption, process water, iron and steel industry

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