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

Table 4

Summary of explosion pressure data for A 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
A500-1	37.90	4.829	60	0.16	15.59	4.23	Yes
A500-2			250	0.22	18.89	5.13	Yes
A500-3			500	0.29	15.12	4.10	Yes
A500-4			750	0.29	17.48	4.74	Yes
A500-5			1000	0.30	27.87	7.56	Yes
A500-6			1500	0.33	19.37	5.26	Yes