Rectification device for separating methyl ethyl ketone and sec-butyl alcohol

• Main Authors: ZHANG WEI, XIE BAOHAN, JIN JUNYONG
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model belongs to the technical field of industrial production of methyl ethyl ketone, and mainly relates to a rectification device for separating methyl ethyl ketone and sec-butyl alcohol. The device comprises two rectifying towers, namely a first rectifying tower and a second rectifying tower, a feeding line is arranged on the first rectifying tower, the bottom of the first rectifying tower is connected with a first rectifying tower kettle pump inlet through a first rectifying tower bottom extraction line, and a first rectifying tower kettle pump outlet is connected with the second rectifying tower through a second rectifying tower feeding line. The bottom of the second rectifying tower is connected with an inlet of a second rectifying tower kettle pump; an outlet of the second rectifying tower kettle pump is connected with the first rectifying tower through the second rectifying tower kettle pump; the second rectifying tower is a plate type tower, tower trays are arranged in the second rectifyin