LIE-DOWN TYPE PRECIPITATION FACILITY ENGINEERING METHOD

摘要

PURPOSE: A precipitation method is provided to prevent the deposition of sludge in an unspecified section on the floor of a sewer pipe and greatly reduce burden on purifying sewage. CONSTITUTION: A precipitation method is as follows. An inflow pipe(10) is formed on the side of a sewer pipe(100). An U-shaped pipe(20) comprising a plurality of screens(21) is formed in a precipitation facility(30) to be communicated with the inflow pipe. Absorbing hangers(60) are formed in the precipitation facility through the U-shaped pipe widthwise and lengthwise. Absorbing fabric(70) is installed at an interval from the floor of the precipitation facility to be able to be deployed in a curtain type.