The device implementing the mist of water in the protection for indoors while and shelters tunnels against the effects of a fire and toxic fumes

摘要

System includes main pipelines extending along length of tunnel, secondary pipelines (3), derived from main pipelines (2), automatic (7), pyrotechnic (13) or manual (6) valves. Water nozzles (4) are placed along secondary pipelines, and spread water over fire doors (19) and wall (23) separating refuge island (18) from tunnel. Different water nozzles (24, 25) are used to permanently fill in safety lock (17), and to spray water mist inside refuge islands where people are gathered.