公开(公告)号：US20230001327A1

公开(公告)日：2023-01-05

申请号：US17772367

申请日：2020-10-26

Applicant: PETROCHINA COMPANY LIMITED ,  BEIJING ORIENDA INSTRUMENTS CO., LTD.

Inventor： Qing Cao ,  Dawei Wen ,  Shengbao He ,  Yuan Xiu ,  Lin Tian ,  Dingzhong Yang ,  Jing He ,  Minna Dou ,  Fei Chen ,  Kunhong Liu ,  Chenchen Li ,  Huifeng Xue ,  Jianming Wang

IPC: B01D15/18 ,  B01D15/12 ,  B01D15/42 ,  B01D63/08 ,  B01D69/02 ,  C10G25/00 ,  B01J20/08 ,  B01J20/28 ,  G01N30/06 ,  G01N30/38

Abstract: The present disclosure provides an automatic separation apparatus for four fractions of heavy oil and a separation method thereof, wherein the apparatus includes a solvent reservoir tank (1), a separation unit for four fractions of heavy oil (100) and a receiving apparatus (9). The separation unit for four fractions of heavy oil (100) includes: a filter disc (4) having one end in communication with the solvent reservoir tank (1), and the other end in communication with an inlet of a pre-column flow path switching valve (5); a chromatographic column (6) having an inlet in communication with an outlet of the pre-column flow path switching valve (5), and an outlet in communication with an inlet of a post-column flow path switching valve (8). The receiving apparatus is in communication with an outlet of the post-column flow path switching valve (8).