Apparatus for maintaining the contact time of water in a contact basin included a walled vessel; a vertical peripheral inlet adjacent the vessel wall for directing the flow of water in an ever-decreasing spiral toward the center of the vessel; and an outlet positioned near the center of the vessel for receiving the spiral flow of water.
申请公布号
CA2151432(A1)
申请公布日期
1996.02.06
申请号
CA19952151432
申请日期
1995.06.09
申请人
WYNESS, DAVID K.;CHICAGO BRIDGE & IRON COMPANY (DELAWARE)
发明人
ROWZEE, EDWARD F.;PILLER, TODD E.;SCHLEIFE, JAMES M.;WYNESS, DAVID K.