Method for dividing spontaneous combustion dangerous area of magma erosion coal body based on active sites

The invention discloses a method for dividing spontaneous combustion dangerous areas of magma erosion coal bodies generated based on active sites, and belongs to the technical field of coal mine safety production. The problem that the dangerous area of spontaneous combustion of the magma erosion coal body cannot be accurately judged in actual mining is solved. In order to explore the standard of dividing the spontaneous combustion dangerous area of the magma erosion coal body generated based on the active sites, the method is obtained by comparing the concentration of the original active sites and the secondary superposition active sites in the coal and the coal core temperature rising amplitude in a normal-temperature oxidation experiment. According to the obtained experimental data and the oxidation viewpoint of the active sites of the heated coal body, the concentration of the active sites is found to be in positive correlation with the temperature rise amplitude of the oxidation process, and the temperatu