초록 ▼

A process for removing by coalescence condensation water from large quantities of lubricating oil of a steam driven turbine a significant portion of which water is in the form of an oil/water emulsion. The process is capable of reducing the free and emulsified water content of lubricating oil having

A process for removing by coalescence condensation water from large quantities of lubricating oil of a steam driven turbine a significant portion of which water is in the form of an oil/water emulsion. The process is capable of reducing the free and emulsified water content of lubricating oil having a viscosity rating of 150 ssu at 100°F. from 5000 ppm to 25 ppm in a single pass through the unit at a flow rate of 100 gallons per minute with most of the water in the oil as received by the equipment being in emulsion.

대표청구항 ▼

In the process of removing water by coalescence from lubricating oil having a viscosity at 65°F. of approximately 350 ssu which water has formed an emulsion with the oil and maintaining a flow rate of at least 100 gallons per hour per square foot of coalescer surface when the oil has a viscosity of

In the process of removing water by coalescence from lubricating oil having a viscosity at 65°F. of approximately 350 ssu which water has formed an emulsion with the oil and maintaining a flow rate of at least 100 gallons per hour per square foot of coalescer surface when the oil has a viscosity of 150 ssu or less, the steps which include passing the oil through a particulate filter element in a preconditioning unit, passing the oil containing free water and the oil/water emulsion into the internal central chamber of a coalescer; in the coalescer passing the oil through a first member of pleated filter medium surrounding said chamber to initiate breaking of the emulsion, supporting the member externally against outwardly acting pressure exerted by the oil and surrounding the pleats with spaced rings and anchoring the rings to the apices of said pleats to support the rings and members against outwardly acting radial thrust, passing the liquid discharged from the first member through plural layers of compressed glass fiber in mat form to further coalesce the separated water, passing the coalesced water droplets through a non-wettable screen into a non-compressed layer of glass fibers and then through a closely woven jacket of non-wettable fabric to form droplets of water of sufficient size that they will separate from the jacket and descend through the surrounding body of oil to collect at the bottom of the vessel in which the coalescer is housed.