JPS61120748U

JPS61120748U -

Info

Publication number: JPS61120748U
Application number: JP364785U
Authority: JP
Priority date: 1985-01-17
Filing date: 1985-01-17
Publication date: 1986-07-30
Also published as: JPH0243861Y2

Description

[Brief explanation of the drawing]

第１図は本考案の正面断面図、第２図は側面断
面図、第３図は第１図のＢ―Ｂ断面図、第４図は
第１図のＣ―Ｃ断面図、第５図は一部切欠き斜視
図、第６図は本考案の他の例の正面断面図、第７
図は第６図のＤ―Ｄ矢視図、第８図は第６図のＥ
―Ｅ断面図、第９図は第６図のＦ―Ｆ断面図、第
１０図は第６図のＧ―Ｇ断面図、第１１図は従来
例の模式図、第１２図イは従来例の正面断面図、
ロは部分側面断面図、ハはイのＡ―Ａ矢視図であ
る。１；トーピードカー、２；溶銑、３；浸漬ラン
ス、４：タンク、５；耐火物、６；ランスパイプ
、７_−１，７_−２，７_−３，７_−４；羽口、７_−
５；上段羽口、７_−６；中段羽口、７_−７；下段
羽口、８；仕切板、９_−１，９_−２；底上げ板、
１０；内管、１２；外管。 Figure 1 is a front sectional view of the present invention, Figure 2 is a side sectional view, Figure 3 is a BB sectional view in Figure 1, Figure 4 is a CC sectional view in Figure 1, and Figure 5. 6 is a partially cutaway perspective view, FIG. 6 is a front sectional view of another example of the present invention, and FIG. 7 is a partially cutaway perspective view.
The figure is the D-D arrow view in Figure 6, and the figure 8 is E in Figure 6.
-E sectional view, Fig. 9 is a FF sectional view in Fig. 6, Fig. 10 is a GG sectional view in Fig. 6, Fig. 11 is a schematic diagram of a conventional example, and Fig. 12 A is a conventional example. Front sectional view of
B is a partial side sectional view, and C is a view taken along the line A--A in A. 1; Torpedo car, 2; Hot metal, 3; Immersion lance, 4: Tank, 5; Refractory, 6; Lance pipe, 7 _-1 , 7 _-2 , 7 _-3 , 7 _-4 ; Tuyere, 7 _{-
5} ; upper tuyere, _7-6 ; middle tuyere, _7-7 ; lower tuyere, 8; partition plate, _9-1 , _9-2 ; bottom raising plate,
10; inner tube, 12; outer tube.

Claims

[Scope of utility model registration request]

1. A powder-injection lance comprising a plurality of tuyeres provided near the tip of the immersion lance, characterized in that a partition space corresponding to the tuyere is provided in the lance pipe.