Abstract. The article considers the questions of application of technical diagnostics fan installations methods for providing safe operation, the system of the technical maintenance improvement and repair. Due to the fact that one of the most important aspects in fan operation in mining is energy efficiency and energy saving, the lack of the data in the control of the level in vibration of stationary sensors is shown. The necessity of taking into account the geometric parameters of the intake channel has been shown, and also the necessity of creation of the reference masks for the assessment of technical condition and energy efficiency when operating fan installations in mining. The results of technical diagnostics of the main fans using the methods of vibration diagnostics are provided. Aspects of vibration at characteristic points are shown. The necessity for further accumulation of data characterizing vibration for adjustment of the reference masks and more accurate detection of defects and deviations from the energy-efficient mode of operation of the fan installations is given.
This paper presents the results of a study of the search and detection of iron ore minerals in the dumps of mining enterprises by the method of georadiolocation. The possibilities and technologies of the development of a technogenic deposit with low costs for the production of iron ore are shown. The main advantage is the presence of minerals already on the surface and does not require complex mining technology. The next stage considers the issues related to the problems of the technology of preparation of the charge for the production of cast iron when using the raw materials of technogenic deposits. Special attention is paid to the content of various alloying additives, an assessment of their influence on the properties of gray cast iron is given.
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