The utility model relates to the open -pit mining technical field, and specifically is a kind of open -pit mining operation's reduce dust device, including fixed seat, fixed seat is installed with support mechanism, support mechanism is fixed with water inlet mechanism, water inlet mechanism is communicated with dust suppression mechanism, dust suppression mechanism includes shunt
pipe and connecting
pipe, fixed seat is fixedly installed with shunt
pipe, and the end portion of shunt pipe is communicated with connecting pipe, two groups of pipes are fixedly installed on shunt pipe symmetry, and one end of pipe, away from shunt pipe, is fixed with drain pipe, and a plurality of sector nozzles are fixedly installed on drain pipe equidistantly;Arc shunt pipe, drain pipe cooperate with the sector
nozzle of inclined, horizontal setting, form
low altitude, ground, high altitude's three-dimensional spray cover, compared with traditional linear type spray pipe, coverage area has somewhat promoted, can effectively inhibit mining area mine car transportation, ore loading and unloading, ore storage and other multi-scene dust.