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Question:

Smoke alarm principle

Smoke alarm principle

Answer:

In the early stage of the fire, the temperature of the building rises continuously. When the temperature rises to the closed sprinkler, the temperature sensing element breaks down or melts and falls off, the sprinkler is automatically spraying and extinguishing the fire. This system has the advantages of simple structure, convenient use, reliable, convenient construction, easy management, fire control and fire speed, high efficiency, wide application range, more economical, more than accounted for the entire automatic sprinkler system 75%, suitable for installation in fire water can the buildings and structures.
Simple to understand, is reserved for the ceiling sprinkler head of connecting pipe, sprinkler head with a device, something resembling a thermometer that, when the temperature is high to a certain extent, will explode directly open water, often see the lighter baking spray head wet room full of people that in the movie.
The system consists of sprinkler, alarm valve, water flow alarm device of automatic sprinkler (water flow indicator or pressure switch) and other components, and pipelines, water supply facilities, and automatic fire extinguishing system in the water when the fire occurs.

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