PRETREATMENT APPARATUS FOR REMOVING INCLUSION IN RURAL COMMUNITY SEWERAGE

摘要

PROBLEM TO BE SOLVED: To ensure removal of human waste sludge through reduction of inflow speed of waste water and sludge in the case of force feed by a booster pump. ;SOLUTION: An inflow chamber 20 is formed by providing a partitioning cover 21 having a water passing hole 26 at its lower part, at the vicinity of a rear wall 2 of a rough screen 30. A discharge pipe 22 being bent at 90 degrees while passing through a closed cover 8 of an opening 6 is disposed at the inflow chamber 20. The upper end of the discharge pipe 22 is connected to a transport pipe 22 through a booster pump 23 while its lower end is confronted with the rear wall 2 with a specified gap therebetween. A curtain 26 is provided between a discharge outlet 25 of the discharge pipe 22 and the rear wall 2.;COPYRIGHT: (C)2001,JPO