Installation for fighting fire in a space - has spray head arranged in pipe supplying medium turned into mist to spray opening above floor level

摘要

The installation comprises a spray head (la', 2a', 1b', 2b') arranged in a pipe (3a', 3b') with a suction opening (67a', 67b') at a distance of 1 to 10 m from the floor level (24) of the room and a spray opening (45a', 45b') near the floor level. The spray head is arranged to spray in the direction from the suction opening to the spray opening to create a suction in the suction opening. The suction openings suck smoke gases into the pipe system, and the pipe system has a first and second elongated pipe sections (910a', 811a'), and an intermediate pipe section (12a', 13a') which connects the first elongated pipe section with the second elongated pipe section. The spray openings are arranged in the second elongated pipe section in the longitudinal direction and the suction openings are arranged in the first elongated pipe section in the longitudinal direction, where the second elongated pipe section is arranged near the floor level (24) of the space and the first elongated pipe section is arranged at a distance of 1 to 10 m above the floor level (24).