| 摘要 |
A powder fire-extinguisher comprises the container for fire-extinguishing powder, the lock-start gear with the sprayer, the source of the compressed gas, the siphon pipe. To the lower end of the siphon pipe, the nozzle is attached. The nozzle is designed as the hollow cone with the lesser base connected rigidly to the lower end of the siphon pipe and the larger one with the apertures attached to the bottom of the container. The nozzle is capable of moving alongside the siphon pipe being pressed constantly to the bottom of the container. |
