| 摘要 |
PURPOSE: A sewage gutter for cutting off offensive odor is provided to facilitate construction and improve safety and prevent the backflow of offensive odor effectually and improve water-tightness. CONSTITUTION: A sewage gutter for cutting off offensive odor comprises a manhole body(10), a riser pipe(30) for height control, a supporting plate(40), and a support frame(50). An inflow pipe and an outflow pipe are connected to the manhole body. The length of the riser pipe for height control is controlled according to the height from the manhole body to the road and the gradient of the road surface. The riser pipe for the height control is cut and connected. The supporting plate and the support frame are connected to the upper side of the riser pipe for the height control. An inner cover and a manhole cover(70) are mounted on the supporting plate and the support frame. |
