Prevention of Grain Elevator and Mill Explosions (1982) / Chapter Skim
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Chapter 4: Preventive Measures
Chapter 4: Preventive Measures
Pages 31-38
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From page 31... ...
The possibility of dust suspension in concentrations above the lower explosive limit in open areas of an elevator cannot be ignored but can be reduced with relative ease. Layered dust in open work areas and hidden spaces can be reduced to a less hazardous amount through proper housekeeping.
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From page 32... ...
The use of electrical equipment complying with National Electrical Code standards should-be mandatory. Well designed electrical grounding should be used not only to prevent sparking due to isolation of electrical equipment but also to prevent the accumulation of static charges.
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From page 33... ...
Mechanisms to prevent the introduction of foreign objects into leg boots and mills should be placed so as to screen all entering grain. The introduction of miscellaneous ignition sources such as cigarettes and other burning material and control of welding and cutting operations should, of ccurse, be prevented by rigidly enforced work rules.
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From page 34... ...
The nature of the hazard of dust explosions intrinsic to grain elevators and mills should be made known to all who work within them or are in any way responsible for their operation. The proper and complete education of management in the grain industry on the hazard of dust explosions should be the first step of an explosion prevention program.
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From page 35... ...
Employee awareness of actual grain dust explosions is important, and this can be accomplished by circulating information on actual explosions and their investigation to all elevators and mills, down to the-.grass roots. level, through media such as the Department of Agriculture, state agriculture schools, m e Cooperative Extension Service, and trade publications.
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From page 36... ...
For example, the manufacturers of conveyor belts claim that conductive belts reduce the possibility of static charge generation and storage on belts conveying nonconductive materials such as coal and grain. Research is needed to relate the electrical characteristics of conveyor belts to their contribution to the explosion hazard in real situations.
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From page 37... ...
Of converting grain dust to pellets for animal feed, including the safety benefits resulting from increased dust collection, is needed and would be- a suitable project for the U.S. Department of Agriculture or an industry trade organization.
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