APPARATUS FOR DRAIN SEWAGE

摘要

PURPOSE: An intercepting chamber is provided to flow the sewage and to prevent foreign material from being stuck in a U-trap using vortex. CONSTITUTION: An intercepting chamber comprises a body(100), a U-trap(180) and an invert. An inlet pipe and an outlet pipe(113) are formed on the body. The U-trap is hemi spherical and contains the fixed amount of the sewage. The U-trap is connected to the inlet pipe. An invert is integrated with the U-trap and is connected to the outlet pipe. A vortex part(200) is installed in order to form vortex inside the U-trap. The vortex part is water mill shape.