Venturi smoke suction sprinkler and apparatus for removing smoke and toxic gas

摘要

According to a present invention, a smoke control sprinkler which is connected to a pipe unit supplying water in the event of fire and which includes a nozzle jetting water supplied from the pipe unit and a mixing diffuser where the water jet via the nozzle and smoke are mixed and which is formed into a venturi tube shape of which the cross sectional area becomes narrow in the middle part is provided. Furthermore, the smoke control sprinkler can additionally include a rectangular deflector capable of selectively jetting water to corners of a rectangular room. And, the smoke control sprinkler selectively includes at least one ring-doughnut shaped space capable of generating an eddy caused by a vortex phenomenon in the middle part of the venturi tube.