rupture disks and explosion vents in certain parts ofFireproof and explosive-proof ...The explosion characteristics are shown in Table 1 The ignition energy of the coal powder is 50mJ so electrostatic and mechanic sparks should be considered as ignition sourc The explosion index K max is less than 10 MPam/s so venting and suppression are effective for the coal powder Table 1 Explosion characteristics of the coal powder...In discussion Vincent Grosskopf Coal Mill Safety. Feb 01
