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 feet 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.
Highlights
Fan installation in mining operations provide ventilation of the main and auxiliary mine workings, and used for preliminary degassing of coal seams
Personnel safety depends on the safe operation of installations of ventilation and degassing of negative consequences caused by the release of methane in underground mines
All ventilation systems of coal mines are reserved and supplied with stationary vibration temperature and performance sensors. This controls the working of the ventilation system, but not its energy efficiency
Summary
Fan installation in mining operations provide ventilation of the main and auxiliary mine workings, and used for preliminary degassing of coal seams. Personnel safety depends on the safe operation of installations of ventilation and degassing of negative consequences caused by the release of methane in underground mines. All ventilation systems of coal mines are reserved and supplied with stationary vibration temperature and performance sensors. This controls the working of the ventilation system, but not its energy efficiency. Due to the continuous growth of energy tariffs, as well as in the framework of the «A policy framework for climate and energy in the period from 2020 to 2030» and the International standard ISO 50001 [1, 2], it is very important to reduce energy losses, and to provide efficient service for the maintenance and repair of equipment of mining enterprises. Energy saving is more beneficial than generation capacity, because the costs of saving 1 kW of power costs four to five times cheaper than the cost of a newly commissioned 1 kW of power, depending on the remoteness of the enterprise from generating plants
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