US 12,312,926 B2
Multi-component supercritical thermal fluid generation system and method with segmented air supply
Liejin Guo, Xi'an (CN); Jialing Xu, Xi'an (CN); Zhiyong Peng, Xi'an (CN); Siqi Rong, Xi'an (CN); Hui Jin, Xi'an (CN); Di Su, Xi'an (CN); and Zening Cheng, Xi'an (CN)
Assigned to XI'AN JIAOTONG UNIVERSITY, Xi'an (CN)
Filed by XI'AN JIAOTONG UNIVERSITY, Xi'an (CN)
Filed on Sep. 30, 2022, as Appl. No. 17/956,865.
Application 17/956,865 is a continuation of application No. PCT/CN2022/078442, filed on Feb. 28, 2022.
Claims priority of application No. 202110472103.8 (CN), filed on Apr. 29, 2021.
Prior Publication US 2023/0025498 A1, Jan. 26, 2023
Int. Cl. E21B 43/24 (2006.01); B01F 23/20 (2022.01); B01F 33/71 (2022.01)
CPC E21B 43/24 (2013.01) [B01F 23/29 (2022.01); B01F 33/71 (2022.01)] 10 Claims
OG exemplary drawing
 
1. A multi-component supercritical thermal fluid generation system with segmented air supply, comprising a multi-component supercritical thermal fluid generator body (22), a heat exchanger (6), a gas-liquid separator (11), a water tank (12), a storage tank (4), a slag discharge lock hopper (14) and an air compressor (1); wherein a preheated water inlet of the multi-component supercritical thermal fluid generator body (22) is communicated with the water tank (12); a preheated water outlet of the multi-component supercritical thermal fluid generator body (22) is communicated with a cold fluid inlet of the heat exchanger (6); a heat exchange sleeve (15) is provided in the multi-component supercritical thermal fluid generator body (22), an air delivery pipe (17) is provided in the heat exchange sleeve (15), and a spiral pipe (16) is wound around the air delivery pipe (17); a cold fluid outlet of the heat exchanger (6) is communicated with an inlet of the spiral pipe (16), and an outlet of the spiral pipe (16) is communicated with a preheated water inlet of the heat exchange sleeve (15); an outlet of the storage tank (4) is communicated with a material inlet provided on the multi-component supercritical thermal fluid generator body (22); an outlet of the air compressor (1) is respectively communicated with an upper air inlet and a lower air inlet of the air delivery pipe (17); a product outlet at an upper part of the multi-component supercritical thermal fluid generator body (22) is communicated with a thermal fluid inlet of the heat exchanger (6), and a slag outlet at a lower part is communicated with an inlet of the slag discharge lock hopper (14); a thermal fluid outlet of that heat exchange (6) is divided into two path, one path is communicated with the gas-liquid separator (11) through a cooler (9), and the other path is connected with an inlet of a multi-component supercritical thermal fluid injection well (7); a liquid product outlet of the gas separator (11) is communicated with an inlet of the water tank (12);
an air supply unit is provided in the multi-component supercritical thermal fluid generator body (22), so as to realize segmented air supply in the multi-component supercritical thermal fluid generator body (22).