Supercritical carbon dioxide extraction system

• Main Authors: HE XUEMEI, TANG YAYUAN, CHEN QIAN, LI CHANGBAO, LI LI, SUN JIAN, WEI ZHEN, SHENG JINFENG
• Format: Patent
• Language: Chinese; English
• Published: 14.04.2023
• Subjects: CLEANING; CLEANING IN GENERAL; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREVENTION OF FOULING IN GENERAL; SEPARATION; TRANSPORTING

The invention provides a supercritical carbon dioxide extraction system which comprises a carbon dioxide storage tank, a high-pressure pump, an extraction kettle and a separator, a discharge port of the carbon dioxide storage tank is connected with a feed port of the high-pressure pump, a discharge port of the high-pressure pump is connected with a feed port of the extraction kettle, and a discharge port of the extraction kettle is connected with the separator. A discharge hole of the separator leads to a finished product collecting pool; the extraction kettle comprises a kettle body, a cover body and an inner cylinder, the cover body is detachably connected with the kettle body, and a compression spring clamping rod is arranged on the cover body; a jacking groove is formed in the inner wall of the bottom of the kettle body, the jacking groove is communicated with the air inlet of the kettle body and the inner bottom surface of the kettle body, and a jacking strip is arranged in the jacking groove in a slidin