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. 02, 2024
Filed:
Apr. 01, 2020
Atmospheric-vacuum heat exchange system having coil-wound heat exchangers, and heat exchange process
Zhenhai Petrochemical Jianan Engineering Co., Ltd., Ningbo, CN;
Jianliang Wang, Ningbo, CN;
Xianan Zhang, Ningbo, CN;
Huili Ma, Ningbo, CN;
Xingmiao Hu, Ningbo, CN;
Hongliang Ren, Ningbo, CN;
Yu Wang, Ningbo, CN;
Jiang Tao, Ningbo, CN;
Jiaoyue Cui, Ningbo, CN;
Zhenhai Petrochemical Jianan Engineering Co., Ltd., Ningbo, CN;
Abstract
An atmospheric-vacuum heat exchange system with a winding-tube heat exchanger, has a first and second heat exchanging group; a primary distillation tower () or flash tower; an atmospheric furnace (); an atmospheric tower (); a vacuum furnace () and a vacuum tower (); each winding-tube heat exchanger has a shell-pass cylinder (), a first and second shell-pass connecting tube (), a first and second tube plate (), a plurality of first and second tube box (), a plurality of heat exchange tubes () spirally wounded with multiple spiral tube layers; the number of the first and second tube box () are respectively N, and each spiral tube layer has N group(s) of the wounded heat exchange tubes (), N is a natural number greater than or equal to 1. The loss of heat exchanger is reduced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile