Prevention device of odor generation and disease valve core generation of sewage work

摘要

(57) Abstract Objective The fact that guttation inflow into the sewage work main pipe is obstructed, it is denseWith it is not, prevents the odor from the sewage work main pipe and the generation of the disease valve coreOdor generation and disease valve core generation of the sewage work which possesses the ru check valve coverDo prevention device offer. Constitution Sewage work main pipe diagonal facilities it was done with 1 and sewage measure 2On the internal middle of communication tube 3 bearing ring 4 periphery of bearing ringVis-a-vis the inner wall of communication tube 3 in airtight state the stopping sticking and this bearingThe wind cone tube-like object 5 which in ring 4 was formed with flexible sheet supportRun facilities to do in the rear of acceptance ring 4, after this wind cone tube-like object 5Way section opening 5 '' when the water flow stops, it is blocked, facilitiesPrevention device of odor generation and disease valve core generation of column sewage work.