Patent ID: 6209554
Filing Date: 2001-04-03
Classification: B08B,B09B

Abstract:
An apparatus for removing oil from a waste object that has a first opening formed in an upper portion thereof and a second opening positioned below the first opening, said apparatus comprising:a recovery tank connected to the first and second openings;a first pipe connecting the first opening to said recovery tank and having a first valve;a second pipe connecting the second opening to said recovery tank and having a second valve;a third pipe connecting the second opening and said recovery tank and having a third valve:a pump provided in said second pipe; anda controller for controlling said first and second valves and said pump,wherein water of a predetermined temperature contained in said recovery tank is injected into the waste object via the second opening to accumulate inside the waste object by opening said second valve and by actuating said pump, thereby causing the oil in the waste object to float upwards;wherein the oil that has floated upwards is recovered in said recovery tank via the first opening by opening said first valve; andwherein after oil has been recovered in said recovery tank, the oil and water lying above the second opening is recovered in said recovery tank by opening said third valve.