452
N. Kurakula and E. Muniyandy
Keywords Fire · Explosion · Accident · Explosive dust · Hazard · Dust collector ·
Design
1 Introduction
Explosive grain machining is one of the critical activities associated in the manufacturing of rocket components. Machining is carried out when the explosive is in
its solid-state. Since the explosive materials are highly energetic and dangerous,
special features and auxiliary equipment shall be adapted. Machining is associated
with the generation of many kinds of chips and ribbons based on the material being
machined, type of operation and cutting parameters therein selected. During the
explosive machining also different kinds of machined out chips are anticipated. These
shall be properly collected and carefully handled in order not to have any unforeseen, undesirable and unfortunate occurrence during the process of machining. For
attempting this precise requirement of careful collection and appropriate handling
of the machined out chips, it is essential to have a suitable dust extraction system in
the close proximity of the machine. The dust collection system shall be composed
of functionally a good combination among the available industrial dust-collecting
devices. Gravitational settler, cyclone separator, scrubbing unit, electrostatic separator and bag housing type filters are commonly used dust-collecting devices used
in various process industries to collect the produced dust therein.
2 Methodology
For attempting to design a dust handling system for the intended purpose, it is
proposed to make a thorough study that paves the strong way to materialize a healthy
system that can combat the associated hazards in a systematic manner and eliminate corresponding risks. The methodology of doing the current work is as follows
(Fig. 1).
Fig. 1 Schematic structure
of work plan
Safe
handling
system
for
explosive
dusts
Dust hazards
Dust collectors
Critical
considerations
Source correction
methods
Design and
Verification
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