JPH01142441U - - Google Patents

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Publication number
JPH01142441U
JPH01142441U JP4008188U JP4008188U JPH01142441U JP H01142441 U JPH01142441 U JP H01142441U JP 4008188 U JP4008188 U JP 4008188U JP 4008188 U JP4008188 U JP 4008188U JP H01142441 U JPH01142441 U JP H01142441U
Authority
JP
Japan
Prior art keywords
hole
sub
throat
radius
lance nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4008188U
Other languages
English (en)
Other versions
JPH0512271Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988040081U priority Critical patent/JPH0512271Y2/ja
Publication of JPH01142441U publication Critical patent/JPH01142441U/ja
Application granted granted Critical
Publication of JPH0512271Y2 publication Critical patent/JPH0512271Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Description

【図面の簡単な説明】
第１図は、本考案にかかるランスノズルの一実
施例を示す図であつて、図Ａは図Ｂのｂ―ｂ線断
面図、図Ｂは図Ａのａ―ａ線断面図、第２図は、
ｈ／ｒと二次燃焼比率との関係を示したグラフ、
第３図は、本考案のランスノズルとソフトブロー
ランスにおける鋼中〔Ｃ〕とスラグ中のトータル
Ｆｅとの関係を示したグラフ、である。 １……ランスノズル、２……主孔、３……副孔
、４……酸素流路、５……冷却水通路。

Claims (1)

  1. 【実用新案登録請求の範囲】 精錬用の主孔の他に二次燃焼用の副孔を備えた
    転炉吹錬用ランスノズルにおいて、主孔がラバー
    ル形状、副孔がストレート形状で且つ副孔スロー
    ト部の長さと半径が下記式の関係を満たすことを
    特徴とする転炉吹錬用ランスノズル。 ｈ／ｒ＝２．５〜３．５ 但し、 ｈ：副孔スロート部の長さ（mm） ｒ：副孔スロート部の半径（mm）
JP1988040081U 1988-03-25 1988-03-25 Expired - Lifetime JPH0512271Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988040081U JPH0512271Y2 (ja) 1988-03-25 1988-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988040081U JPH0512271Y2 (ja) 1988-03-25 1988-03-25

Publications (2)

Publication Number Publication Date
JPH01142441U true JPH01142441U (ja) 1989-09-29
JPH0512271Y2 JPH0512271Y2 (ja) 1993-03-29

Family

ID=31266556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988040081U Expired - Lifetime JPH0512271Y2 (ja) 1988-03-25 1988-03-25

Country Status (1)

Country Link
JP (1) JPH0512271Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61272308A (ja) * 1985-05-27 1986-12-02 Nippon Steel Corp 上吹吹錬用ランス
JPS6233710U (ja) * 1985-08-15 1987-02-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61272308A (ja) * 1985-05-27 1986-12-02 Nippon Steel Corp 上吹吹錬用ランス
JPS6233710U (ja) * 1985-08-15 1987-02-27

Also Published As

Publication number Publication date
JPH0512271Y2 (ja) 1993-03-29

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