A new type of ladle cover and its production process
A technology of cladding and ladle, which is applied in the field of new ladle cladding and production technology, can solve the problems of the ladle internal structure is not tight, the cladding structure is not firm, the refractory material is easy to fall off, etc. The effect of frequent shedding of materials and reduction of secondary pollution
Inactive Publication Date: 2015-09-30
LAIWU IRON & STEEL GRP
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Problems solved by technology
[0004] In order to solve the above-mentioned technical problems, the present invention provides a new type of ladle cover and its production process, which solves the two problems of the safety problem caused by the weak structure of the cover and the easy fall of the refractory material due to the loose internal structure of the cover.
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[0032] Related technical contents not mentioned below can adopt or learn from the prior art.
[0033] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
[0034] A production process for a novel ladle cover, the steps are as follows:
[0035] 1) Use six reinforcing ribs 3 to weld along the cladding to form a hexahedral steel structure, ensuring that the angle between every two reinforcing ribs 3 ...
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Abstract
The invention discloses a novel steel ladle cover and a production technology. The novel steel ladle cover is characterized by comprising a barrel-shaped ladle cover outer shell with the lower end open, six reinforcing ribs are arranged at the upper end of the ladle cover outer shell, hanging rings are welded on the reinforcing ribs, mushroom nails with points upward are welded on the inner wall of the upper bottom of the ladle cover outer shell, and filling is filled in a residual space of the ladle outer shell, wherein filling comprises the following components by mass ratio of glass water: light corundum material=9:1. The two difficult problems that safety problems are caused due to unstable ladle structure and fireproofing material is prone to falling off due to the fact that an inner structure of the ladle cover is not tight are solved.
Description
technical field [0001] The invention relates to a novel ladle cover and a production process. Background technique [0002] Recently, the ladle cover used is a supporting steel shell welded by steel plates, and the inner structure of the cover is knotted with refractory materials. Not only is the ladle cover not firm, unsafe, short in service life, and frequently replaced, but also the refractory material cracks gradually fall off due to the loose structure during use, resulting in a decrease in the thermal insulation performance of the ladle cover and an increase in the temperature drop of the molten steel in the ladle. Large, at the same time falling off refractory materials and non-metallic elements in molten steel react with each other to produce non-metallic inclusions that cause secondary pollution to molten steel and adversely affect the quality of steel. [0003] So far, there are no public reports on the new technology and implementation device for making ladle lid...
Claims
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IPC IPC(8): B22D41/00
Inventor 王键张学民姜兴辰梁景玥郭达李振孙翠华李俊赵圣功纪瑞东王尖锐王玉春李松刘志民
Owner LAIWU IRON & STEEL GRP