Pneumatic Dust Control in Grain Elevators Guidelines for Design Operation and Maintenance (1982) / Chapter Skim
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Dust-Control Techniques and Equipment
Dust-Control Techniques and Equipment
Pages 5-10
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From page 5... ...
Besides reducing the generation and dispersal of dust, avoidance of long freefalls reduces the amount of air entrained by falling grain and carried into enclosed sections of the elevator. Reducing entrained air, in turn, reduces the load on the mechanical dust-collection system.
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From page 6... ...
9. Blow-down of settled dust with compressed air is a hazardous cleanup method because it can create explosible concentrations of airborne dust.
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From page 7... ...
Grain dust in an enclosed space, therefore, can be controlled by controlling the air flow associated with the system. Dust-collection systems using these principles have five basic components, exhaust fans, capture enclosures, ductwork, dust-separation devices, and storage bins.
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From page 8... ...
As particle size decreases to the fine range, however, the energy consumption of a wet scrubber rises sharply. Also, ordinary water cannot be used in wet scrubbers mounted out-of-doors in cold climates.
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From page 9... ...
Fabric filters or baghouse units filter particles from air with high efficiency. Moreover, they are efficient for particles of widely varying size, including very fine and very light particles.
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