Fire stopping system of underground common utility tunnels having fire stopping room

摘要

The present invention relates to a fire protection partition refractory system of underground common duct that allows to block the propagation of the event of fire in an underground common duct fire, feeding device, a communication such as a fire protection partition refractory system of underground common duct of the present invention, electricity, gas, water according as the facilities, sewage system, such as configuring the facility underground common duct for jointly receiving the underground maeseolmul, at the same time satisfying the revised laws because characterized by a firewall which fire-resisting divisions underground common duct to prevent metastasis and spread of the flame It can prevent the spread of long time flame, and the fire is excellent, new common duct, as well as the even existing common duct allows the installation is possible by just recycling the highly economical, refractory material without the destruction of expansion during the refractory cable or pipe and be able to reduce installation costs, and reinforce the weak points of the flame, the volume expansion It can actively block the flame to the refractory material, to detect the installation of fire doors that close automatically the passage has an effect to be able to completely avoid the transfer and diffusion of the flame.