Soil infiltration treatment manner and soil infiltration central processing unit null

摘要

PROBLEM TO BE SOLVED: To provide the method and device for infiltrating sewage into soil by which the life period of the device is prolonged while utilizing the advantage of soil infiltration. ;SOLUTION: A water sprinkling pipe 5p is embedded in soil 3 and 6, the infiltration mat 5m for a diffusion layer having high porosity is provided around the water sprinkling pipe 5p, the sewage supplied to the pipe 5p is diffused and infiltrated into the surrounding soil through the mat 5m, and the sewage is purified. An air-permeable pipe 9 is laid in the mat 5m in its longitudinal direction, an outward extension 9z is furnished to the air-permeable pipe 9, air is forcedly supplied to the pipe 9 by a blower B, etc., through the extension 9z, and oxygen is supplied to the soil 6 close to the boundary with the mat 5m.;COPYRIGHT: (C)1998,JPO