Determination of the optimal degree of crushing of blasted rock mass for crushed stone quarries
- Postgraduate student G.V. Plekhanov Saint Petersburg State Mining Institute
Abstract
In modern conditions of market relations, it is more and more difficult for enterprises to maintain the efficiency of production. One of the main problems is the high level of production costs due to the large output of substandard fractions. It is shown that the optimum degree of quality of blasting rock mass can be defined through profit, which depends on the crushing indicators, which in turn are the basis of quality and, therefore, prices and production costs. The interrelation of all crushing indicators is considered on the basis of the analysis of the distribution of the granulometric composition of the blasted rock mass carried out at the Olenegorsk Mining and Processing Plant. According to the results of the analysis, the dependence allowing to calculate the relationship of all crushing indicators with the average lump size is obtained.