The heavy tar oil from regenerative cracking furnace is complex mixture with heavy and viscous properties.

蓄热炉裂解后的重质焦油是一种复杂的混合物，比重大，粘度高。

Using good heat insulation material for the furnace wall of the radiation section can reduce the heat dissipation in the radiation section of the cracking furnace.

做好辐射段炉墙的隔热保温工作可减少裂解炉辐射段热损失。