INVESTIGATION OF THE DEPENDENCE OF CHANGES IN THE VOLUME OF INDUSTRIAL STOCKS ON THE AVERAGE CAPACITY OF PEAT DEPOSITS Strikha

Abstract

Purpose. One of the aspects of energy saving and increasing the level of the state energy security is the replacement of expensive imported energy by cheaper domestic ones. The surface location of peat deposits and the relatively low cost of organizing and conducting mining operations make this mineral a potentially efficient resource and energy saving tool. Currently, in the development of peat deposits, a mandatory element of the source data for the project is the availability of detailed exploration materials, which requires significant material costs and time, so it is proposed to develop a simplified method of calculating industrial reserves, based on studying the dependence of the industrial reserves size on the depth of the deposit. The use of the method proposed by the authors allows to develop multivariate solutions, both individually and in different deposits. The positive aspect of the methodology is also the minimum amount of initial data: balance sheets and average capacity of the deposit. Methodology. To obtain the dependences of the balance stocks utilization ratio on the average depth of the deposit, the tightness of the connection was previously estimated by the pairwise correlation coefficient (r). Analytical expressions of these dependences were detected using a regression analysis apparatus. 21 peat deposits were selected for the study, which are located in 10 regions of Ukraine. Results. Balance reserves and reserves within development; deposit losses taking into account different options; industrial stocks and utilization of balance stocks were determined during analyzing the types of losses in deposits. To determine the balance reserves of the deposit, the deposit was divided into layers and the area of the deposit was calculated for each of them. Based on the performed calculations, a study of the dependence of the utilization ratio of balance reserves on the average depth of the deposit was conducted. It has been found that balance stocks utilization ratios are closely related to the average depth of the deposit. Thus, for the maximum utilization ratio of balance stocks r = +0.854, and for the minimum r = + 0.932. Analytical expressions of these dependences were detected using a regression analysis apparatus. Practical significance. According to the results of research, the part of each type of losses was determined. The received technique allows: to select raw material base for the enterprise, to minimize quantity of source data (are accepted from available sources), to receive multivariate decisions, simplifies calculations of volumes of industrial stocks. Key words: peat use, peat resources, balance stocks, industrial stocks, technological indicators, stock utilization ratio.