COLLECTING AND DISCHARGING SYSTEM OF LEACHATE FROM LANDFILL

摘要

PURPOSE: A collecting and discharging system of leachate from landfill prevents uneven settlement and penetration of leachate into the ground, thereby reducing contamination of soil and ground water. CONSTITUTION: A collecting and discharging system of leachate from landfill comprises:A bottom water collecting pipe lines(13) arranged upon a water blocking sheet(12) formed upon the bottom of landfill; an annular tube(15) provided on the interior side of landfill to be in direct connected with the bottom water collecting pipe lines; a plurality of vertical water collecting pipes(15) directly connected with the bottom water collecting pipe lines and the annular pipe; and at least one intermediate water collecting pipe(18) directly connected with the annular pipe through a slanted pipe(19).