id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fcis-10368	Luo, Guang	Calculation of Required Air Volume and Verification of Ventilation Capacity for Mines	2023	5	.pdf	application/pdf	3241	142	57	The excavation working faces in Xinyuan Coal Mine that require air volume calculation include the southern section of 11211 air tunnel, 11211 air tunnel, 21903 machine tunnel small system, 21903 machine tunnel small system, 12210 machine tunnel, 12213 air tunnel, and 12213 machine tunnels, all of which are semi coal rock tunnels. Calculation results of required air volume for excavation working face (Unit: m3/min) Calculation basis 11211Wind lane south section 11211 Wind alley 21903 Machine Lane small system 21903 Air Lane small system 12210 Machine Lane 12213 Wind tunnel 12213 Machine Lane Total Gas emission 122.4 82.8 19.2 28.8 64.8 128.4 129.6 576 Carbon dioxide emission 4.02 4.02 4.02 4.02 4.02 4.02 4.02 28.14 Actual suction volume of local ventilation fan 743.9 615.3 389 665.2 804.6 766.6 837.3 4821.9 Number of staff 120 120 120 120 120 120 120 840 Wind speed verification 237.9~3806.4 234.3~3748.8 262.4~4197.6 262.4~4197.6 267.6~4281.6 234.6~3753.6 237.3~3796.8 - Maximum value 743.9 615.3 389 665.2 804.6 766.6 837.3 4821.9 2.3.	cache/fcis-10368.pdf	txt/fcis-10368.txt