On the basis of analyzing fouling mechanism of residuum, a fouling dynamic model was put forward.The correlation formula of experiment results was obtained and it could be used in oil refinery units.

• 在分析渣油结垢机理的基础上,提出了结垢动力学模型,对实验室测定结果进行非线性回归,得出计算渣油结垢热阻的半经验公式。