Ethylene propylene rubber production solvent recovery method and system

• Main Authors: SONG SHUNLI, LUO YANMEI, WANG TINGTING, YAN YUFENG, TAO LIN
• Format: Patent
• Language: Chinese; English
• Published: 09.02.2018
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention provides an ethylene propylene rubber production solvent recovery method comprising the following steps: conveying a pressurized and heated to-be-treated rubber solution to a first flashtank to carry out flash evaporation deacidification and recover a first part of solvent in the to-be-treated rubber solution; and repressurizing and reheating the to-be-treated rubber solution whichis subjected to flash evaporation deacidification and in which the first part of solvent is recovered, and conveying the to-be-treated rubber solution to a second flash tank to carry out flash evaporation so as to recover a second part of solvent. The invention further provides an ethylene propylene rubber production solvent recovery system. The invention aims at providing the ethylene propylene rubber production solvent recovery method and system capable of removing acidic corrosive substances in the to-be-treated rubber solution. 本发明方面提供了种乙丙橡胶生产溶剂回收方法，包括如下步骤：将经加压加热后的待处理胶液送至第闪蒸罐进行闪蒸除酸处理并回收待处理胶液中的第部分溶剂；将闪蒸除酸并回收第部分溶剂后的待