地漏在给排水工程中,可排除地面积水及作清扫口用,由于它与整个下水管道构成一系统,如处理不当,很容易成为臭气的出口。多年来,排水工程中使用的地漏,大都是几十年一贯制的钟罩式地漏(图1)。这种地漏构造简单,特别是有效水封较难保 In the water supply and drainage project, the floor drain can be used to remove water and clean the floor area. Because it forms a system with the entire sewage pipeline, it can easily become an odor outlet if it is not handled properly. Over the years, the floor drains used in drainage projects have been mostly bell-type floor drains that have been consistently implemented for decades (Figure 1). This type of floor drain is simple, especially effective water seal