The function of underground pipeline in residence

Pipelines are widely used in water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, water conservancy projects and various industrial devices. The functions of underground pipes in houses are as follows: first, sewage pipes, human urine and other dirty water; The second type is drainage pipe (storm sewer), which means that roof water or clean water is discharged from storm sewer without treatment. In addition, as a device for conveying gas, liquid or fluid containing solid particles, underground pipelines are connected by pipelines, pipe joints and valves.

The content of this article comes from: toilets, halls, foyer, stairs by the Building Industry Press.