FIELD: dust suppression. SUBSTANCE: method involves pulse spraying of liquid by directed effect of pressurized gas upon it. Prior to beginning of gas effect upon liquid passes through nozzle in the direction of liquid feeding. In liquid pulse spraying device nozzle is positioned between compressed gas chamber and liquid tank to provide compressed air and liquid relative communication. Nozzle may have configuration of Laval nozzle. Liquid tank widens from nozzle to outlet port. Device is also provided with pneumatic drive for shut-off valve. EFFECT: enhanced dust suppression capability. 6 cl, 2 dwg
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|
SU1017611A1 |
Authors
Dates
1994-04-30—Published
1992-09-24—Filed