| 摘要 |
PROBLEM TO BE SOLVED: To provide a device and a method capable of putting in a sufficiently mixed state up to reaching an object position, and instantly switchable to the set concentration, without providing an intermediate tank, even if a plurality of liquids are any combination, when mixedly spraying the plurality of liquids. ! SOLUTION: This device includes a plurality of vessels for respectively storing the plurality of liquids, a plurality of pipes 13 and 14 respectively formed in a ring shape and supplying the respective liquids from the respective vessels, a plurality of nozzles 17 and 18 provided in a plurality on the respective pipes 13 and 14 and spraying the liquid supplied in the respective pipes 13 and 14, an air blower 19 for blowing air so as to whirl toward the arrangement direction of the plurality of pipes 13 and 14 arranged so that a hole part of the respective pipes 13 and 14 formed in the ring shape is arranged in a row, and valves 20 and 21 respectively provided between the respective |
