US 12,330,949 B1
Supercritical fluid-drying apparatus and method for drying gel
Ronghui Wei, Yingde (CN); Qiuhua Zhang, Yingde (CN); Wenjin Zhao, Yingde (CN); Liangbo Rao, Yingde (CN); and Jinke Li, Yingde (CN)
Assigned to GUANGDONG ALISON TECHNOLOGY CO., LTD., Guangdong (CN)
Filed by GUANGDONG ALISON TECHNOLOGY CO., LTD., Guangdong (CN)
Filed on Nov. 8, 2024, as Appl. No. 18/941,911.
Claims priority of application No. 202311630324.9 (CN), filed on Nov. 30, 2023.
Int. Cl. C01B 33/158 (2006.01); F26B 5/00 (2006.01)
CPC C01B 33/1585 (2013.01) [F26B 5/005 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A supercritical fluid-drying apparatus, comprising a circulation fluid storage tank, a circulation compressor, a drying unit, a separation unit, an expander, and a heating-medium storage tank, wherein
a feed inlet of the circulation compressor is in communication with the circulation fluid storage tank, and the circulation compressor is provided with a first heat exchanger thereon;
a fluid inlet of the drying unit is in communication with a discharge outlet of the circulation compressor, and the drying unit is configured to dry a material;
a fluid inlet of the separation unit is in communication with a fluid outlet of the drying unit, and the separation unit is configured to separate a solvent from a fluid;
the expander is disposed on a pipeline communicating the fluid outlet of the drying unit and the fluid inlet of the separation unit; and
a first heat exchanger inlet of the circulation compressor is in communication with the heating-medium storage tank, a first heat exchanger outlet of the circulation compressor is in communication with a heating-medium inlet of the drying unit, and a heating-medium outlet of the drying unit is in communication with the heating-medium storage tank.