Explosion Pressure and Minimum Explosible Concentration Properties of Metal Sulfide Ore Dust Clouds

Table 6

Summary of explosion pressure data for C group.

Sample type	Sulfur content (%)	D50 (μm)	Concentration (g·m^−3)	Pmax (MPa)	(dP/dt)max (MPa·s^−1)	Kst (MPa·m·s^−1)	Whether or notto explode
C200-1	17.12	9.287	60	0.13	11.81	3.21	No
C200-2			250	0.12	11.81	3.21	No
C200-3			500	0.13	12.28	3.33	No
C200-4			750	0.16	12.28	3.33	Yes
C200-5			1000	0.15	12.75	3.46	Yes
C200-6			1500	0.12	13.23	3.59	No
C300-1	15.46	6.098	60	0.12	11.81	3.21	No
C300-2			250	0.12	10.86	2.95	No
C300-3			500	0.13	12.28	3.33	No
C300-4			750	0.14	12.75	3.46	No
C300-5			1000	0.12	12.75	3.46	No
C300-6			1500	0.10	14.64	3.97	No
C500-1	15.96	3.313	60	0.11	7.56	2.05	No
C500-2			250	0.12	11.34	3.08	No
C500-3			500	0.13	12.28	3.33	No
C500-4			750	0.11	11.81	3.21	No
C500-5			1000	0.13	12.28	3.33	No
C500-6			1500	0.13	15.59	4.23	No