JPS58131943U

JPS58131943U - Structure of converter furnace body

Info

Publication number: JPS58131943U
Application number: JP2946382U
Authority: JP
Inventors: 大久保　克夫
Original assignee: 新日本製鐵株式会社
Priority date: 1982-03-02
Filing date: 1982-03-02
Publication date: 1983-09-06

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は炉容とＨ（炉高）／（炉径）の関係を示す図、
第２図は従来例における転炉の吹錬時に於ける断面姿勢
を示す図、第３図ａは従来例における出鋼開始時の転炉
の断面姿勢を示す図、第３図すは第３図ａの矢視Ａ−Ａ
’図、第４図ａは出鋼末期の転炉の断面姿勢を示す図、
第４図すは第４図ａの矢視Ｂ−Ｂ’図、第５図は本発明
の転炉炉体の構造を示す図、第６図ａは本発明の転炉炉
体の構造における出鋼末期の断面姿勢を示す図、第６図
すは第６図ａの矢視ｃ−ｃ’図である。１・・・・・・炉体鉄皮、２・・・・・・炉体煉瓦、３
・・・・・・トラニオンリング、４・・・・・・出鋼孔
、５・・・・・・溶鋼、６・・・・・・スラグ、７・・
・・・・流出流、ｈ・・・・・・流体ヘッド、ｒ・・・
・・・内半径、ｄ・・・・・・出鋼孔径、Ｈ・・・・・
・炉高、Ｄ・・・・・・炉径、Ｘ・・・・・・水平線。Figure 1 is a diagram showing the relationship between furnace volume and H (furnace height)/(furnace diameter).
Fig. 2 is a diagram showing the cross-sectional attitude of the converter in the conventional example during blowing, Fig. 3a is a diagram showing the cross-sectional attitude of the converter at the start of steel tapping in the conventional example, and Fig. 3 Arrow view A-A in figure a
Figure 4a is a diagram showing the cross-sectional attitude of the converter at the final stage of steel tapping.
Fig. 4 is a view taken along arrow BB' in Fig. 4a, Fig. 5 is a diagram showing the structure of the converter body of the present invention, and Fig. 6a is a diagram showing the structure of the converter body of the present invention. FIG. 6 is a diagram showing the cross-sectional attitude at the final stage of steel tapping, taken along the line c-c' in FIG. 6a. 1...Furnace body shell, 2...Furnace body brick, 3
...Trunion ring, 4 ... Tapping hole, 5 ... Molten steel, 6 ... Slag, 7 ...
...Outflow flow, h...Fluid head, r...
...Inner radius, d...Tapping hole diameter, H...
・Furnace height, D...Furnace diameter, X...Horizontal line.

Claims

[Scope of utility model registration request]

A structure of a converter body characterized in that a conical fluid reservoir having a fluid head h of 4 to 4.5 times the diameter d of the tap hole is provided at the lead-out portion from the inside of the converter body to the tap hole. .