Page 155 - Dust Explosions in the Process Industries

128 Dust Explosions in the Process Industries

Table 1.12 Appropriate means for preventing and mitigating dust explosions in a chemical process
plant: crushing and milling equipment

Ball mills (x) 0
Vibratory mills 0
X
Crushers - f (x) (x)
Roll mills - -
X
Screen mills
Air jet mills
Pin mills (x)
Impact mills (x)
Rotary knife cutters (x)
Hammer mills (x)
Source: Noha, 1989.

Table 1.13 Appropriate means for preventingand mitigating dust explosions in a chemical process
plant: powder dryers

Means of
explosion

Powder
dryers q-
Spray dryers (nozzle)
Spray dryers (disc)
X 0
Fluidizd bed dryers -
X 0
Stream dryers + -
Spin-flash dryers 0 +
X
-
0
X
Belt dryers - I
X
Plate dryers - 0
X
X
X
Paddle dryers - - - 0
Source: Noha, 1989.