System for extracting acetophenone from household garbage pyrolysis tar

• Main Authors: ZHANG FEIXIANG, YU DAN, DU RUNPING, ZHANG ZHE, SONG XIAOFEI, ZHANG YANJUN
• Format: Patent
• Language: Chinese; English
• Published: 14.10.2022
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to the field of green environmental protection and recycling, and particularly discloses a system for extracting acetophenone from household garbage pyrolysis tar, the system comprises a light component removal tower, a heavy component removal tower and a variable pressure rectification tower; a tower bottom discharge port of the light component removal tower is communicated with a middle feed port of the heavy component removal tower, a tower top discharge port of the heavy component removal tower is communicated with a middle feed port of the variable-pressure rectifying tower, a tower top discharge port of the variable-pressure rectifying tower is communicated with an upper feed port of the heavy component removal tower, and a tower bottom discharge port of the variable-pressure rectifying tower is communicated with a lower feed port of the heavy component removal tower; the upper part of the variable-pressure rectifying tower is connected with a pressure control device. And resou