Research on Safety Subregion Partition Method and Characterization for Coal Mine Ventilation System

Table 1

Safety subregion of the example mine.

Safety subregion	Included airways	Type of safety subregion
Working face subregion	24, 25, 26, 74, 75, 73, 76, 77, 78, 79, 27, 28, 29, 22, 48, 40, 56, 39, 70	Air consumption subregion
Drivage subregion	2, 3, 103, 10, 104, 8, 9, 92, 102, 105, 85, 86, 11, 15, 20, 88, 1, 7, 31
Chamber subregion	52, 54, 55, 57, 68, 58, 59, 61, 60, 62, 63, 69, 107, 4, 64, 45, 5, 6
Intake airway subregion	16, 21, 12, 32, 99, 101, 34	Intake airway subregion
Return airway subregion	51, 19, 81, 87	Return airway subregion
Bypass subregion	71, 72, 90, 89, 84, 47, 38, 99, 17, 98, 97, 43	Bypass subregion