| 摘要 |
FIELD: fire fighting equipment. ^ SUBSTANCE: invention refers to fire prevention, and aims at fire suppression by automatic fixed or mobile installations with using neutral gas sprayed liquid in cultural institutions, in computer rooms, vessels, planes, warehouses and other objects wherein there are people and valuable equipment. A fire fighting unit comprises a drencher head sprayer accommodating a ball-shaped hollow case. The case has an outlet and an output throttle. The case is arranged between a branch pipe and a framework fixing it in such a manner that a plane of the outlet of the case is perpendicular to a symmetry axis of the branch pipe and framework. The output throttle comprises parallel throttle holes. A perforation factor of the perforated spherical surface of the case lies in the optimal range 0.50.8. ^ EFFECT: higher effectiveness of fire extinguishing ensured by higher response speed. ^ 2 dwg |
