САМОВОЗГОРАНИЕ УГЛЕЙ В УСЛОВИЯХ КРИ0ЛИТ030НЫ

Abstract

Taking into account the prospects for the growth of coal production in the conditions of the North-East, the countries require further development of research to more reliably justify measures to prevent endogenous fires in the permafrost zone, which cause serious economic damage and worsen the environmental situation due to the release of large amounts of toxic gases. The authors have studied the chemical activity and tendency to spontaneous combustion of coals in the permafrost zone. The effect of ambient temperature on the dynamics of oxidative processes in coal accumulations is shown. These studies have identified the main factor in preventing the endogenous fire hazard of coal deposits in the North-East of the country, which consists in maintaining negative or low air temperatures to prevent the intensification of oxidative processes in the coals of the permafrost zone. In laboratory conditions, the influence of physical and chemical factors on the process of spontaneous combustion of frozen coals was studied. Field experiments were carried out on many coal mines in the permafrost area. A system analysis and generalization of domestic and foreign methods of prevention of spontaneous combustion of coals has been carried out. Antipyrogenic compositions have been proposed to reduce the oxidizing ability of coals