公开(公告)号：US20230256505A1

公开(公告)日：2023-08-17

申请号：US18010450

申请日：2021-10-29

申请人： HEBEI VOCATIONAL UNIVERSITY OF INDUSTRY AND TECHNOLOGY

发明人： Lei Cao ,  Yanjun Meng ,  Zhen Cao ,  Weiqing Huang ,  Yongliang Shi ,  Bin Yang ,  Zhongqi Dong ,  Yanxia Liu ,  Min Chen ,  Shanshan Zhang

IPC分类号： B22D41/56 ,  B22D41/24 ,  B22D41/26

CPC分类号： B22D41/56 ,  B22D41/24 ,  B22D41/26

摘要： A steel ladle drainage method, is achieved by using a steel ladle structure. Vacuum interlayers are provided within an upper nozzle, an upper fixed plate, alower fixed plate and a sliding plate of the steel ladle structure respectively. In the steel ladle drainage method provided by the present invention, a metal drainage agent is used to replace the drainage sand in the prior art, the metal drainage agent is melted by the liquid steel and deposited in the upper nozzle, the sliding plate with the vacuum interlayer and the upper nozzle with the vacuum interlayer have the insulation effect on the melted metal drainage agent, agent falling. Moreover, through moving the sliding plate, the two pouring holes of the upper and lower fixed plates are connectedwith each other, the metal drainage agent enters the tundish through the pouring holes and the lower nozzle under the action of gravity.

公开(公告)号：US12005495B2

公开(公告)日：2024-06-11

申请号：US18010450

申请日：2021-10-29

申请人： HEBEI VOCATIONAL UNIVERSITY OF INDUSTRY AND TECHNOLOGY

发明人： Lei Cao ,  Yanjun Meng ,  Zhen Cao ,  Weiqing Huang ,  Yongliang Shi ,  Bin Yang ,  Zhongqi Dong ,  Yanxia Liu ,  Min Chen ,  Shanshan Zhang

IPC分类号： B22D41/14 ,  B22D41/24 ,  B22D41/26 ,  B22D41/44 ,  B22D41/48 ,  B22D41/56

CPC分类号： B22D41/56 ,  B22D41/14 ,  B22D41/24 ,  B22D41/26 ,  B22D41/44 ,  B22D41/48

摘要： A steel ladle drainage method is achieved by using a steel ladle structure. Vacuum interlayers are provided within an upper nozzle, an upper fixed plate, a lower fixed plate and a sliding plate of the steel ladle structure respectively. In the steel ladle drainage method provided by the present invention, a metal drainage agent is used to replace the drainage sand in the prior art, the metal drainage agent is melted by the liquid steel and deposited in the upper nozzle, the sliding plate with the vacuum interlayer and the upper nozzle with the vacuum interlayer have the insulation effect on the melted metal drainage agent. Moreover, through moving the sliding plate, the two pouring holes of the upper and lower fixed plates are connected with each other, the metal drainage agent enters the tundish through the pouring holes and the lower nozzle under the action of gravity.