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. 08, 2020
Filed:
Apr. 22, 2018
University of Science and Technology Beijing, Beijing, CN;
Tangshan First Tang Baosheng Functional Materials Co., Ltd., Tangshan, CN;
Rong Zhu, Beijing, CN;
Guangsheng Wei, Beijing, CN;
Tianping Tang, Beijing, CN;
Kai Dong, Beijing, CN;
Liangxin Zhao, Beijing, CN;
Xuetao Wu, Beijing, CN;
Fengwu Chen, Beijing, CN;
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, Beijing, CN;
TANGSHAN FIRST TANG BAOSHENG FUNCTIONAL MATERIALS CO., LTD., Tangshan, CN;
Abstract
A production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces. Electric arc furnaces located in two positions are connected in series, wherein the electric arc furnace in a first position is dephosphorization electric arc furnace, and the electric arc furnace in a second position is a decarbonization electric arc furnace. The production method includes: performing smelting by combining a decarbonization electric arc furnace and 1-3 dephosphorization electric arc furnaces; a specific process of performing the smelting includes: in a charging period of the 1-3 dephosphorization electric arc furnaces, adding the full-scrap steel for the smelting, lime, slag in the decarbonization electric arc furnace, auxiliary materials and carbon powder or a carbon block into the dephosphorization electric arc furnace.