Development of environmental measures to reduce the dusty emissions of stone coal in loading and unloading works

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Abstract


Now Russia is one of the world’s leading coal producers. Particles inevitably pass into an aerosol state, forming dust, which is subsequently emitted into the atmosphere during the extraction, crushing, sorting and transportation of coal. This dust negatively affects the health of workers in the mining industry, as well as the population of the residential area. In this regard, the question arises about the effective air cleaning in the working area from coal dust and reducing its concentration. The work purpose is to develop a comprehensive cleaning of gas-air emissions from coal dust in the working area where it is transported. The main task is to create an additional degree of air purification from coal dust. For this purpose, a vortex absorber was used, which is a cylindrical apparatus in which a contact element with perforated holes is located. The geometric dimensions of the absorber and its main parameters have been determined. The absorber developed by the authors has shown very good results as a device for the final purification of gas-air emissions. The efficiency of trapping small solid particles in the presented scheme reaches 99%. At the same time, as a result of the introduction of this installation, effective air purification from dust particles with a diameter of about 0.2 microns is carried out and the coal briquettes production is increased by 144 tons per year.


About the authors

Alexander V. Lukanin

Peoples’ Friendship University of Russia (RUDN University)

Author for correspondence.
Email: lukanin@bk.ru
6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

Doctor of Technical Sciences, Professor of the Department of Environmental Monitoring and Forecasting, Institute of Environmental Engineering

Elena S. Klevanova

Peoples’ Friendship University of Russia (RUDN University)

Email: eklevanova@mail.ru
6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation

PhD student, Department of Environmental Monitoring and Forecasting, Institute of Environmental Engineering

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Copyright (c) 2021 Lukanin A.V., Klevanova E.S.

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