US 12,246,972 B2
Solid precipitation apparatus and solid precipitation process
Tong Zhou, Liaoning (CN); Xiangchen Fang, Liaoning (CN); Hongshan Guo, Liaoning (CN); Tao Yang, Liaoning (CN); Guangan Jiang, Liaoning (CN); and Zhaohui Meng, Liaoning (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, CORP., Liaoning (CN)
Appl. No. 17/419,157
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP., Liaoning (CN)
PCT Filed Dec. 27, 2019, PCT No. PCT/CN2019/129198
§ 371(c)(1), (2) Date Jun. 28, 2021,
PCT Pub. No. WO2020/140841, PCT Pub. Date Jul. 9, 2020.
Claims priority of application No. 201811651664.9 (CN), filed on Dec. 31, 2018.
Prior Publication US 2022/0106209 A1, Apr. 7, 2022
Int. Cl. C02F 1/52 (2023.01); B01J 8/00 (2006.01); B01J 8/08 (2006.01); C02F 1/66 (2023.01); C02F 1/72 (2023.01); C02F 1/74 (2023.01); C02F 101/30 (2006.01); C02F 103/08 (2006.01)
CPC C02F 1/5236 (2013.01) [B01J 8/003 (2013.01); B01J 8/008 (2013.01); B01J 8/08 (2013.01); C02F 1/5209 (2013.01); C02F 1/5263 (2013.01); C02F 1/66 (2013.01); C02F 1/727 (2013.01); C02F 1/74 (2013.01); B01J 2208/00805 (2013.01); B01J 2208/0084 (2013.01); C02F 2101/30 (2013.01); C02F 2103/08 (2013.01); C02F 2201/002 (2013.01); C02F 2209/02 (2013.01); C02F 2209/03 (2013.01); C02F 2209/06 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A solid precipitation apparatus, comprising:
a housing;
an inlet for a stream that comprises a solvent and a solute;
a discharging outlet;
a support disposed in an inner chamber of said housing; and
an inner member disposed in the inner chamber of said housing,
wherein said support comprises solid particles, and said inner member comprises a hollow tube substantially coaxial with a central axis of said housing, an upper end and a lower end of said hollow tube are open, and a baffle is disposed above said hollow tube, and
wherein said hollow tube comprises an upper straight tube section and a lower conical diffusion section, a first gap is disposed between the internal wall of said housing and the external wall of said hollow tube, a second gap is disposed between said baffle and the upper edge of said hollow tube, and a sixth gap is disposed between said baffle and the internal wall of said housing.