Methyl isobutyl ketone solvent recovery device and method

• Main Authors: ZHAO YUANFANG, HOU YULAN, WANG CHANGLING, DU ZHAOXIN, ZHANG JISHENG, GAO YOUFEI
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2023
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention discloses a methyl isobutyl ketone solvent recovery device and method, and belongs to the field of solvent recovery. The device comprises a solvent-containing raw material tank, a raw material pump, a desolventizing raw material tank, a solvent recovery tank, a first heat exchanger, a membrane distillation device and a second heat exchanger, wherein a plurality of membrane distillation assemblies are arranged in the membrane distillation device, and a plurality of glass hollow fiber membranes are arranged in the membrane distillation assemblies. The solvent-containing raw material tank is communicated with an inlet of the first heat exchanger through the raw material pump; an outlet of the first heat exchanger is communicated with an inlet of the feed liquid side of the membrane distillation device through a pipeline; an outlet in the feed liquid side of the membrane distillation device is connected with a desolventizing agent raw material tank; an outlet in the vacuum side of the membrane disti