Dust Control in Grain Elevators (Classic Reprint) - Tapa blanda

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Excerpt from Dust Control in Grain Elevators

From 1919 to 1925 dust explosions in the United States in plants handling grain and grain products caused the loss of 133 lives, injury to 130 employees, and property damage amounting to more than As more than one-fourth of the loss in life and more than one-half of the property damage occurred in grain elevators, special attention has been directed to the elimination of the dust explosion hazard in the grain elevating industry.

The requirements for a dust explosion are (1) dust in suspension in air in a certain proportion, and (2) some means of igniting this dust and air mixture.1 Such explosions, then, may be prevented by using equipment which will eliminate all sources of ignition around the plant, or by controlling the dust and air mixture so that no explosive dust clouds can be formed. For some time attention was directed to the elimination of open flames around plants where it was possible for the explosion hazard to exist. When it was found that electric sparks, blown fuses, broken electric lamps, hot bearin s, friction fires, metallic sparks, static electricity, and fires caused y spontaneous combustion could ignite the dust, however, attention was turned to the development of equipment for controlling the dust.

More efficient work can be done in a clean, orderly, and well-run plant than in one where dust clouds are permitted to form. Further more, dusty atmospheres may affect the health of the workmen. Aside from reducing the dust-explosion hazard, then, the installation of dust-collecting equipment improves the health and efficiency of the workmen.

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