... press line, 2,oil refining machine lines 3,remove acid,color,ordor equipments for crude oil refinery Note: Simple Explanation of ... of oil .3. SOAP FEET VESSELUsed to refine the oil sediment from oil refiner,to get some oil from oil sediment .4.HOT ... water for cooling oil ,etc.16.STEAM BOILERProduce steams to refiner ,decolorizer,etc. the flow chart of producing high quality eating oil