排水用塑料检查井的结构与特点
Structure and characteristics of plastic inspection well for drainage
塑料检查井分污水检查井、雨水检查井。污水井底部有流槽,雨水井底部设有沉泥室。结构分防护盖、内盖、井筒、井座。内盖置于井筒顶部,对于污水井, 可防止废气外逸,确保环境不受污染。防护盖架设在道路上,防护盖与内盖之间保留一定空间,确保检查井不受路面压力。井座内部管顶连接处有光滑的弧面,便于专用的清通工具疏通。
The plastic inspection wells are divided into a sewage inspection well and a rainwater check well. A sewage well bottom groove, rain bottom mud room. The structure proof cover, inner cover, shaft, shaft. The cover on the top of the shaft, for sewage well, can prevent gas escape, protect the environment. The protective cover mounted on the road, a certain space is reserved between the protective cover and the inner cover, make sure to check wells from pavement pressure. Well inside the base pipe top junction has a smooth cambered surface, easy for cleaning tool to clear.