介绍抽提蒸馏装置抽余油质量的现状,对生产过程中影响抽余油质量的因素进行了详细的分析,并提出了提高抽余油质量的具体改进措施。 The present situation of the quality of raffinate oil in the extractive distillation unit is introduced. The influencing factors on the quality of the raffinate oil in the production process are analyzed in detail, and the specific measures to improve the quality of the raffinate oil are put forward.