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:
Sep. 17, 2019
Filed:
Nov. 28, 2017
Applicant:
Sichuan University, Chengdu, CN;
Inventors:
Jianfeng Liu, Chengdu, CN;
Heping Xie, Chengdu, CN;
Yufei Wang, Chengdu, CN;
Lingzhi Xie, Chengdu, CN;
Ru Zhang, Chengdu, CN;
Assignee:
SICHUAN UNIVERSITY, Chengdu, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21D 13/00 (2006.01); B65G 5/00 (2006.01); E21B 43/28 (2006.01); E21B 43/40 (2006.01); C09K 8/38 (2006.01);
U.S. Cl.
CPC ...
E21D 13/00 (2013.01); B65G 5/00 (2013.01); C09K 8/38 (2013.01); E21B 43/28 (2013.01); E21B 43/40 (2013.01); Y02C 10/14 (2013.01);
Abstract
A device for constructing an underground reservoir by dissolving limestone using carbon dioxide. The device includes a COstorage tank; an absorption tower; a decompression valve; a gas-liquid separator; a crystallizer; a vacuum pump; a buffer tank; a first booster pump; a second booster pump; and a third booster pump. The decompression valve is connected to a limestone layer, and is connected to the gas-liquid separator. The absorption tower is connected between the gas-liquid separator and the limestone layer.