Apparatus (10) for cleaning fluids such as oils comprising an inlet (12) for fluid to be cleaned, a heating unit (21) for heating the fluid, a centrifugal cleaner (24), a vacuum dehydration unit (26), a holding tank (11) and a fluid outlet (40). A first valve (13) controls communication between a fi
Apparatus (10) for cleaning fluids such as oils comprising an inlet (12) for fluid to be cleaned, a heating unit (21) for heating the fluid, a centrifugal cleaner (24), a vacuum dehydration unit (26), a holding tank (11) and a fluid outlet (40). A first valve (13) controls communication between a first pump (20) and the inlet (12) or holding tank (11) to pump fluid from the inlet (12) or holding tank (11) to the heating unit (21) for conveyance to the centrifugal cleaner (24), the outlet of which is connected to the vacuum dehydration unit (26) and a second valve (37) controls communication between a second pump (35) and tank (11) and outlet (40) to either enable fluid to be recirculated back to the tank (11) or supplied to the outlet (40).
대표청구항▼
The invention claimed is: 1. Apparatus for cleaning oil, said apparatus comprising: an inlet connectable to a source of oil to be cleaned, a holding tank for oil, a heating unit for heating said oil, a first pump connectable to said inlet or said holding tank for pumping oil to said heating unit, a
The invention claimed is: 1. Apparatus for cleaning oil, said apparatus comprising: an inlet connectable to a source of oil to be cleaned, a holding tank for oil, a heating unit for heating said oil, a first pump connectable to said inlet or said holding tank for pumping oil to said heating unit, a self powered centrifugal cleaner, said centrifugal cleaner having a rotor mounted for rotation about a rotation axis, a housing enclosing the rotor, a cleaner inlet connected to said heating unit for receiving oil from said heating unit and at least one rotor nozzle on the rotor whereby oil exiting in use through said at least one nozzle causes rotation of said rotor about said rotation axis, and a rotatable impeller positioned below the rotor to exert pressure on the oil in said cleaner, a vacuum dehydration unit connected to said centrifugal cleaner for receiving oil from said centrifugal cleaner, said dehydration unit comprising a vacuum chamber, and means for connecting said vacuum chamber to a vacuum source for removal of moisture from oil in said vacuum chamber, a vacuum chamber oil outlet, a second pump connected to said vacuum chamber oil outlet for pumping oil from said vacuum chamber, and first connecting means for selectively connecting said vacuum chamber oil outlet either to an outlet for cleaned oil or to said holding tank for recirculation of cleaned oil back through said apparatus. 2. Apparatus as claimed in claim 1 and including second connecting means for selectively connecting said first pump to either said inlet or said holding tank. 3. Apparatus as claimed in claim 2 wherein said first and second connecting means comprise selectively actuable outlet and inlet valve valves respectively. 4. Apparatus as claimed in claim 1 wherein said centrifugal cleaner comprises a base, a hollow spindle extending from said base along said axis of rotation and connected to said cleaner inlet for supply of oil to the interior of said housing, said rotor being mounted on said spindle for rotation relative to said base, and said housing being mounted on the base. 5. Apparatus as claimed in claim 1 wherein said impeller comprises a central hub mounted for rotation about said axis of rotation of said rotor, said hub having at least one blade extending therefrom. 6. Apparatus as claimed in claim 1 wherein said impeller is attached to said rotor for rotation therewith. 7. Apparatus as claimed in claim 1 wherein said impeller is independent of said rotor. 8. Apparatus as claimed in claim 1 wherein said centrifugal cleaner comprises a base having a drain sump formed therein, said rotor having an interior and an exterior and wherein said axis of rotation comprises a substantially vertical axis for rotation of said rotor thereabout, said at least one rotor nozzle being in a lower portion of the rotor, the rotor having side walls arranged to retain solid contaminants contained in the oil which are forced outwardly by rapid rotation of the rotor due to reaction to ejection of the fluid to said drain sump through the at least one rotor nozzle, said housing mounted on the base, a fluid inlet passage arranged to supply fluid at an elevated pressure to the interior of the rotor by way of the rotation axis, and at least one fluid drain passage in the base to receive fluid from the drain sump. 9. Apparatus as claimed in claim 1 wherein said vacuum chamber has a base, an inlet in an upper portion of the vacuum chamber for fluid entry, and a water trap connected to said chamber for collecting water from said chamber. 10. Apparatus as claimed in claim 9 and including an oil discharge passage in a lower portion of the vacuum chamber and extending a distance above the base of the chamber to maintain a depth of oil in said vacuum chamber. 11. Apparatus as claimed in claim 9 wherein said vacuum chamber includes at least one condensation tray in an upper portion of said chamber to increase the surface area of oil exposed to the vacuum, said condensation tray being inclined downwardly towards the connection of said vacuum source to said vacuum chamber. 12. Apparatus as claimed in claim 1 wherein said centrifugal cleaner includes an outlet, said outlet extending into said vacuum chamber. 13. Apparatus as claimed in claim 1 and including a mobile chassis and wherein said heating unit, centrifugal cleaner, vacuum dehydration unit, and holding tank are supported on said chassis. 14. Apparatus for cleaning oil, said apparatus comprising: a heating unit for heating oil, a centrifugal cleaner connected to said heating unit for receiving heated oil from said heating unit, said centrifugal cleaner having a rotor mounted for rotation about a rotation axis, a housing enclosing the rotor, a cleaner inlet for receiving oil from said heating unit, and at least one rotor nozzle on said rotor, said rotor nozzle upon exit of oil therefrom causing rotation of said rotor about said rotation axis, and a rotatable impeller positioned below the rotor to exert pressure on the oil in said cleaner, a vacuum dehydration unit connected to said centrifugal cleaner for receiving oil from said centrifugal cleaner, an oil holding tank, an inlet for oil to be cleaned, a first control valve selectively actuable to connect said heating unit to one of said inlet or said holding tank whereby oil to be cleaned can be supplied from said inlet to said heating unit or from said holding unit to said heating unit, an outlet for cleaned oil, a second control valve selectively actuable to connect said dehydration unit to one of said outlet or said holding tank to supply oil to said outlet or said holding tank respectively, and one or more pumps for conveying oil from said inlet or holding tank through said heating unit, said centrifugal cleaner and said dehydration unit to said outlet or back to said holding tank. 15. Apparatus for cleaning contaminated oil, said apparatus comprising: an inlet connectable to a source of oil to be cleaned, a holding tank for oil, a heater for heating said oil, a first pump for pumping oil through said heater, a centrifugal cleaner having a rotor mounted for rotation about a rotation axis, a housing enclosing the rotor, and a cleaner inlet for receiving oil from said heater, an impeller attached to said rotor for rotation therewith to exert, when rotated with said rotor, pressure on oil in the cleaner, a vacuum dehydration unit connected to said centrifugal cleaner for receiving oil from said centrifugal cleaner, said dehydration unit comprising a vacuum chamber, and means for connecting said vacuum chamber to a vacuum source for removal of moisture from said vacuum chamber, a second pump connected to said vacuum chamber, an oil outlet, a selectively actuable outlet valve connected to said second pump and connectable to said holding tank or said oil outlet for pumping of oil to said oil outlet or said holding tank respectively, and a selectively actuable inlet valve connected to said first pump and connectable to said holding tank or said inlet for pumping oil to be cleaned from said holding tank or said inlet respectively. 16. Apparatus as claimed in claim 15 wherein said centrifugal cleaner comprises a base, a hollow spindle extending from said base along said axis of rotation and connected to said cleaner inlet for supply of oil to the interior of said cleaner, said rotor being mounted on said spindle for rotation relative to said base, said housing being mounted on the base and enclosing the rotor, and at least one rotor nozzle on the rotor, wherein oil exiting in use through said at least one nozzle causes rotation of said rotor about said rotation axis. 17. Apparatus as claimed in claim 16 wherein said rotor has side walls adapted to retain solid contaminants contained in the oil which are forced outwardly by rotation of the rotor. 18. Apparatus as claimed in claim 17 wherein said vacuum chamber least one condensation tray in an upper portion of said chamber to increase the surface area of oil exposed to the vacuum, said condensation tray being inclined downwardly towards the connection of said vacuum source to said vacuum chamber. 19. Apparatus as claimed in claim 18 and including and a water trap connected to said chamber for collecting water condensing within said chamber.
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이 특허에 인용된 특허 (8)
Campbell Willis R. (Olathe KS) Robinson Forrest L. (Mission KS) Perry Bruce A. (Fenton MO) Schwlefert Dan (Overland Park KS), Apparatus for removing an oil spill on a body of water.
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