The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2026
Filed:
Feb. 01, 2024
Hangzhou Oxygen Plant Group Co., Ltd., Hangzhou City, CN;
Yisong Han, Hangzhou City, CN;
Fang Tan, Hangzhou City, CN;
Yunyun Jiang, Hangzhou City, CN;
Lei Yao, Hangzhou City, CN;
Yi Gao, Hangzhou City, CN;
Xudong Peng, Hangzhou City, CN;
Liangying Li, Hangzhou City, CN;
HANGZHOU OXYGEN PLANT GROUP CO., LTD., Hangzhou City, CN;
Abstract
A device for recovering carbon dioxide and nitrogen from flue gas includes a pretreatment system, a COand Nseparation system, a Npurification and liquefaction system, and a COpurification and liquefaction system. The pretreatment system includes a high-temperature NG cooler, a gas-liquid separator, a booster fan, and a dryer; the COand Nseparation system includes a low-temperature LNG cooler and a cryogenic adsorption device; the Npurification and liquefaction system includes a set of Ndistillation and liquefaction device consisting of a compressor, a cooler, a heat exchanger, a gas-liquid separator, and a distillation tower; and the COpurification and liquefaction system includes a set of COdistillation and liquefaction device consisting of a compressor, a cooler, a condenser, an evaporator, a liquefier, and a purification tower, which are used for further purifying and liquefying desorbed gas obtained from the COand Nseparation system.