METHOD OF RECIRCULATING FOR CHANGING KIND OF OIL
PURPOSE:To easily regenerate a used lubricant for repeated use, by mixing a used lubricant, from which impurities have been removed, with an oil having different viscosity and adding an additive to the mixture while heating. CONSTITUTION:Used hydraulic oil and cutting oil stored in tanks 1, 1'...
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Zusammenfassung: | PURPOSE:To easily regenerate a used lubricant for repeated use, by mixing a used lubricant, from which impurities have been removed, with an oil having different viscosity and adding an additive to the mixture while heating. CONSTITUTION:Used hydraulic oil and cutting oil stored in tanks 1, 1' are passed through filtration apparatuses 6, 7 provided in a main line 2A to remove impurities and stored in a blending tank 3 for modifying the viscosity. An oil having different viscosity such as kerosine or lubricating oil is fed from tanks 16, 17 to and mixed with the hydraulic oil by means of an agitating element 20 to modify the viscosity. The oil is preheated with a heater coil 22 and fed through a pump 25 and a main line 2B into a blending tank 23, where the oil is heated with a heater coil 33 while additives in tanks 26-28 are added to the oil according to the purposes to the oil used as a new cutting oil. |
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