| 摘要 |
FIELD: fire safety.SUBSTANCE: in sprinkler fire-fighting system consisting of a network of main and distribution pipelines, constantly filled with liquid fire-extinguishing agent with sprinklers, the water supply source, which is a water tank and a water intake system with a filter and a pump, two automatic water-feeders, the sprinklers comprise a fitting, a thermal lock, bars with hooks, an adjusting element which is made in the form of a sleeve having a pass and connected inside the fitting, presses the valve to the exit from the sleeve, in addition, the valve is mounted on the spraying element having windows, through which the spring-loaded rods pass, having the protrusions in their middle part and having hooks at both ends. the spraying element occupies a fixed position between the adjusting element and the thermal lock which pulls the ends of the rods to the centre, and the thermal element is made of two metal plates welded by Wood's alloy. Each of the plates has a bent end located engaged with a corresponding rod.EFFECT: increase in efficiency of fire-fighting through the introduction of high-speed elements in the overall circuit of the automatic fire-fighting system.3 dwg |
