| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for cleaning a spray hose in a fire extinguishing appliance, allowing cleaning while discharging a residual powder fire extinguishing chemical from a spray passage and ensuring spray of a powder fire extinguishing chemical in reuse for executing fire extinguishing work. SOLUTION: A storage box 22 is provided in a magazine 1 for the powder fire extinguishing appliance A and a cleaning gas cylinder 13 provided separately from the powder fire extinguishing appliance A is stored and installed in the storage box 22. One of the plurality of powder fire extinguishing appliances A, A,... finishes fire extinguishing work, the cleaning gas cylinder 13 is taken out of the storage box 22 and carried to the powder fire extinguishing appliance A after finishing fire extinguishing work and the cleaning gas cylinder 13 is connected to the spray passage 16 for the powder fire extinguishing appliance A for supplying a cleaning gas from the gas cylinder 13 to the spray passage 16 to release and remove a residual powder in the spray passage 16.
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