Title:
溶融金属容器の排出口構造と溶融金属容器排出口のスリーブ交換装置
Document Type and Number:
Japanese Patent JP4608261
Kind Code:
B2
Abstract:
An arrangement for reducing an average discharging time in a molten metal vessel, such as a converter, having a molten-metal discharge nozzle particularly a molten-metal discharge nozzle comprises a sleeve-shaped refractory member so as to achieve enhanced operational efficiency of the molten metal vessel. A discharge nozzle comprises an upper sleeve mounted in a refractory lining of a converter and a lower sleeve adapted to be detachably attached to a lower end of the upper sleeve, wherein a hole sectional area of the lower sleeve is set in the range of 60 to 98% of a hole sectional area of the lower sleeve in its used state requiring replacement.
Inventors:
Junichi Funawatari
Ebizawa Hiroshi
Yasuo Kono
Ebizawa Hiroshi
Yasuo Kono
Application Number:
JP2004222394A
Publication Date:
January 12, 2011
Filing Date:
July 29, 2004
Export Citation:
Assignee:
Kurosaki Harima Co., Ltd.
International Classes:
C21C5/46; B22D41/56; F27B14/18; F27D1/08; F27D3/14
Domestic Patent References:
| JP49120813A | ||||
| JP11293323A | ||||
| JP9031520A |
Attorney, Agent or Firm:
Masu Kobori
Takato Tsutsumi
Takato Tsutsumi