Purification method and equipment for waste hydraulic oil of extruding machine
A waste hydraulic oil and purification equipment technology, applied in the direction of lubricating composition, etc., can solve the problems of ineffective removal of particle pollutants and low quality of regenerated oil, achieve good environmental protection effect, improve viscosity and viscosity-temperature performance, and purify high efficiency effect
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[0036] Example 1
[0037] Taking the purification of the hydraulic oil of the aluminum alloy extruder as an example, the technical process of the purification method of the hydraulic oil of the extruder of the present invention is described.
[0038] (1) Impurity removal: Pour the waste hydraulic oil into the filter tank, remove the large particles of impurities in the waste hydraulic oil through the screen of the filter tank, and then filter the waste hydraulic oil by the filter element at the upper end of the filter tank after preliminary precipitation in the filter tank. Remove fine particles of impurities in waste hydraulic oil;
[0039] (2) Precipitation: The filtered waste hydraulic oil enters the precipitation tank through the filter element at the upper end of the filter tank for static precipitation. The moisture and impurities in the waste hydraulic oil are precipitated to the bottom and then separated, and the waste hydraulic oil passes through the upper end of the ...
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