Dewaxing and oil removal equipment
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Dewaxing and oil removal equipment
The dewaxing and oil removal equipment mainly uses the dewaxing process of the casing crystallizer. The mixture of waxy lubricating oil and solvent is cooled to -20~-40C through heat exchange between the waxy oil in the inner tube and the refrigerant medium between the jacketed tubes. , the paraffin in the waxy oil is crystallized on the wall of the tube crystallizer to achieve the purpose of dewaxing, and then the rotating tube shaft scraper in the inner tube of the crystallizer is used to scrape off the wax block, and flow through the filter together with the liquid oil After filtration, the oil and wax are separated to obtain high-quality lubricating oil. The casing crystallizer is currently the main equipment in the lubricating oil dewaxing process unit in the refinery and is widely used.
