为解决污水对海水的污染，烟台市在河道下游沿海岸线铺设一条截流干管，截流河道污水，然后将其输送到污水厂集中处理。目前，城市污水截流的一般方法是在截流处设置溢流井截流污水和部分雨水。由于泥砂堵塞和海水倒灌的原因，这种方法在烟台的污水截流中效果很不理想。另... In order to solve the pollution of seawater caused by sewage, Yantai City laid a cut-off dry pipe along the coast line downstream of the river to intercept the sewage from the river, and then transport it to the sewage treatment plant for centralized treatment. At present, the general method of urban sewage interception is to set up overflow well shutoff sewage and some rainwater at the closure site. Due to mud sand clogging and seawater intrusion, this method is not ideal for wastewater interception in Yantai. another...