JPH0269953U - - Google Patents
Info
- Publication number
- JPH0269953U JPH0269953U JP14808588U JP14808588U JPH0269953U JP H0269953 U JPH0269953 U JP H0269953U JP 14808588 U JP14808588 U JP 14808588U JP 14808588 U JP14808588 U JP 14808588U JP H0269953 U JPH0269953 U JP H0269953U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- pipe
- concentric double
- twisted
- double
- 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
Links
- 238000007664 blowing Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000000395 magnesium oxide Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Description
第１図、第２図は、本考案に係る転炉の吹錬用
羽口の図面であり、それぞれａは側面断面図、ｂ
はａのＡ―Ａ断面図、第３図は、本考案を実施し
た上底吹転炉の模式図、第４図、第５図は、従来
の転炉の吹錬用羽口の図面であり、それぞれａは
側面断面図、ｂはａのＢ―Ｂ断面図である。
１……内管、２……（同心二重管の）外管、３
……同心二重管、４……金属外筒、５……捻転二
重管束、６……捻転集合管束、７……外管、８…
…耐火性材料、９……保護ガス、１０……精錬ガ
ス、１１……転炉本体、１２……低吹き羽口、１
３……溶鉄、１４……上吹酸素ランス、１５……
フラツクスタンク、１６……フランジ。
Figures 1 and 2 are drawings of a blowing tuyere of a converter according to the present invention, where a is a side sectional view and b is a side sectional view, respectively.
Figure 3 is a schematic diagram of a top-bottom blowing converter in which the present invention has been implemented, and Figures 4 and 5 are drawings of the blowing tuyere of a conventional converter. A is a side sectional view, and b is a BB sectional view of a. 1... Inner tube, 2... Outer tube (of concentric double tube), 3
...Concentric double pipe, 4...Metal outer tube, 5...Twisted double pipe bundle, 6...Twisted collector pipe bundle, 7...Outer pipe, 8...
... Refractory material, 9 ... Protective gas, 10 ... Refining gas, 11 ... Converter main body, 12 ... Low blowing tuyere, 1
3...molten iron, 14...top-blown oxygen lance, 15...
Flux tank, 16...flange.
Claims (1)
る同心二重管を、浴面下に開口させてなる吹錬用
羽口において、 複数本の該同心二重管を相互に隣接させてなり
、かつそれらの同心二重管を捻じり合わせた捻転
二重管束を金属外筒に内挿させてなり、該捻転二
重管束と金属外筒との間隙が耐火性材料で充填さ
れてなることを特徴とする吹錬用羽口。 (2) 外管と、該外管に内挿された内管とからな
る同心二重管を、浴面下に開口させてなる吹錬用
羽口において、 複数本の該同心二重管を相互に隣接させてなり
、かつそれらの同心二重管を捻じり合わせた捻転
二重管束が柱状の耐火性材料中に包蔵されている
ことを特徴とする吹錬用羽口。 (3) 請求項１および２記載の耐火性材料が、炭
素を５〜４０重量％含有するマグネシア系耐火物
である吹錬用羽口。[Scope of Claim for Utility Model Registration] (1) A blowing tuyere consisting of a concentric double pipe consisting of an outer pipe and an inner pipe inserted into the outer pipe, which are opened below the bath surface. The concentric double tubes of the book are made adjacent to each other, and a twisted double tube bundle made by twisting these concentric double tubes is inserted into a metal outer tube, and the twisted double tube bundle and the metal outer tube are inserted into a metal outer tube. A blowing tuyere characterized in that the gap between the tube and the tube is filled with a refractory material. (2) In a blowing tuyere consisting of a concentric double pipe consisting of an outer pipe and an inner pipe inserted into the outer pipe, which are opened below the bath surface, a plurality of the concentric double pipes are A blowing tuyere characterized in that a bundle of twisted double tubes made of concentric double tubes arranged adjacent to each other and twisted together is enclosed in a columnar refractory material. (3) A tuyere for blowing, wherein the refractory material according to claims 1 and 2 is a magnesia-based refractory containing 5 to 40% by weight of carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14808588U JPH0613253Y2 (en) | 1988-11-15 | 1988-11-15 | Blowing tuyere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14808588U JPH0613253Y2 (en) | 1988-11-15 | 1988-11-15 | Blowing tuyere |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0269953U true JPH0269953U (en) | 1990-05-28 |
| JPH0613253Y2 JPH0613253Y2 (en) | 1994-04-06 |
Family
ID=31419083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14808588U Expired - Lifetime JPH0613253Y2 (en) | 1988-11-15 | 1988-11-15 | Blowing tuyere |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613253Y2 (en) |
-
1988
- 1988-11-15 JP JP14808588U patent/JPH0613253Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0613253Y2 (en) | 1994-04-06 |
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