... blender,transfer pump;2,Blending system:catalyzing treatment tank,blender,vacuum system;3,Distillation system:distillation tower,distillation kettle, ... ,first stage cooler,second stage cooler;5,Vacuum system:vacuum cooler,vacuum water tank,vacuum pump set ... { 'aImgSrc': aBigImageSrc } ); } )(); DIR Black Diesel Engine Oil Re-refining System/Vacuum Distillation Equipment/Oil Regeneration Machine