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:
Jun. 05, 2018
Filed:
Mar. 29, 2016
Wugang Refractory Co., Ltd., Wuhan, CN;
Xueqin Hong, Wuhan, CN;
Xianming Tian, Wuhan, CN;
Hui Zhou, Wuhan, CN;
Zhiqiang Wang, Wuhan, CN;
Qinxue Ma, Wuhan, CN;
Zhongxing Lei, Wuhan, CN;
Zhiming Cao, Wuhan, CN;
Huasheng Liu, Wuhan, CN;
Qing Zhao, Wuhan, CN;
Bihui Yi, Wuhan, CN;
Yuhan Diao, Wuhan, CN;
WUGANG REFRACTORY CO., LTD., Wuhan, CN;
Abstract
A smelting ladle and a method for improving use efficiency thereof. The smelting ladle includes a housing, a working layer, and a permanent layer. The method includes: 1) rebuilding the working layer to have an outer layer and an inner layer, the inner layer being a consumable working layer which contacts with molten steel and steel slag, and the outer layer being a circulating working layer which contacts with the permanent layer or directly contacts with the housing; 2) allowing the smelting ladle to work, when the thickness of the consumable working layer is reduced to be between 0 and 20 mm, removing a residue of the consumable working layer and masoning a new consumable working layer for the smelting ladle; and 3) repeating 2) until the circulating working layer reaches a designed service life thereof, and casting a new circulating working layer for the smelting ladle.