Supercritical abstractor for bottom discharge

• Main Authors: BI DEJUN, LIU QIMIN, REN FUSHENG, MA LIANQING
• Format: Patent
• Language: Chinese; English
• Published: 29.10.2008
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

A supercritical extractor capable of bottom discharge comprises a cylinder, a cylinder top part equipped with a carbon dioxide outlet and an upper seal head and a cylinder bottom part. The supercritical extractor is characterized in that the lower portion of the cylinder bottom part is provided with an opening which is sealed by a lower seal head, a lower seal head fixture is further disposed at the joint of the lower seal head and the cylinder bottom part, wherein the top end of the lower seal head is equipped with a sieve plate and a sieve plate stand, the lower portion of the lower seal head is equipped with a pneumatic cylinder which is arranged on a cylinder support. The side face of the cylinder bottom part is equipped with a carbon dioxide inlet which is opposite to the region provided with the sieve plate stand. A discharging hose capable of being tightly sleeved with the cylinder bottom part is arranged. By employing the structural design of bottom discharge without hoisting charge materials from the