... circulated and heated, while the temperature increasing, the oil gas is distilled out and cooled in to liquid through ... light lube oil, heavy lube oil receivers. The noncondensable gas will be sent to the furnace of boiler to have ... tank,blender,transfer pump;2,Blending system:catalyzing treatment tank,blender,vacuum system;3,Distillation system:distillation tower,distillation kettle,circulation pump ...