Wet sprinkler system for cold environments

A - Human Necessities – 62 – C

Patent

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Details

A62C 35/00 (2006.01)

Patent

CA 2371775

In a sprinkler system for warehouse freezers or other cold environments (11), a sprinkler system piping (17) is connected to a water supply (23) through a check valve (25) and extends through a freez-ing cold environment to sprinkler heads (13) positioned to discharge extinguishant. The sprinkler system piping (17) within the cold environment is filled with a so-lution of pottasium lactate. When a fire occurs casing one or more of the sprinkler heads to be activated, the sprinkler heads will discharge the potassium lactate onto the fire. This action will reduce the pres-sure in the sprinkler system piping below that of the water supply so that water flows from the water supply through the sprin-kler system piping through the activated sprinkler heads (13) to be discharged upon the fire.

L'invention concerne une installation d'extinction automatique pour des congélateurs d'entrepôts ou autres environnements froids (11) dans laquelle une tuyauterie (17) d'installation d'extinction automatique est reliée à une alimentation en eau (23) par l'intermédiaire d'un clapet de retenue (25) et traverse un environnement froid de congélation pour arriver à des gicleurs (13) placés pour projeter l'agent extincteur. La tuyauterie (17) de l'installation d'extinction automatique dans l'environnement froid est remplie d'une solution de lactate de potassium. En cas de feu provoquant l'activation d'un ou de plusieurs gicleurs, les gicleurs projettent le lactate de potassium sur le feu. Ainsi, la pression dans la tuyauterie de l'installation d'extinction automatique diminue et devient inférieure à celle de l'alimentation en eau de sorte que l'eau coule de l'alimentation en eau à travers la tuyauterie de l'installation d'extinction automatique jusqu'aux gicleurs activés (13) qui la projettent sur le feu.

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