... receivers. The noncondensable gas will be sent to the furnace of boiler to have it burned and discharged after pass ... tank,blender,transfer pump;2,Blending system:catalyzing treatment tank,blender,vacuum system;3,Distillation system:distillation tower,distillation kettle,circulation pump ... reservoir,first stage cooler,second stage cooler;5,Vacuum system:vacuum cooler,vacuum water tank,vacuum pump set;6 ...