Rainwater sprinkler system and its setting range?

The rain sprinkler system consists of an open sprinkler, a deluge valve and a pipeline. In case of fire, the deluge valve is controlled by the fire detection system to realize the water supply of the system pipeline. And is provide with means for manually open that valve. Rainwater spray system adopts open spray. As long as the deluge valve is started, it will spray fire in a large area in its protected area, so the cooling and fire extinguishing effect is remarkable, but its automatic control part needs to be highly reliable, and misoperation or inaction is not allowed. According to China's relevant fire code, under normal circumstances. The following parts and places should be equipped with rain sprinkler system:

(1) potassium chlorate crushing workshop of match factory. A factory building with a construction area of 100㎡ or more that produces and uses nitrocellulose, spray-painted cotton, collodion, cellophane and nitrocellulose.

(2) Nitrocellulose, spray-painted cotton, collodion, cellophane and nitrocellulose warehouses with a building area of more than 60m^2 or a storage capacity of more than 2t.

(3) the bottling room and real bottle warehouse of LPG storage and distribution station with a daily bottling capacity of more than 3,000 bottles.

(4) 1500 or more theaters and 2000 or more auditoriums.

(5) Studio and recording studio with a building area of over 400m^2.

(6) Film studios with a construction area of more than 500m^2.

(7) Inspection parts for blank rolling, slicing, ball grinding and ball distribution in table tennis factory.

(8) Some workshops or processes of gunpowder, explosives, ammunition and initiating explosive devices factories.

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