JPH0487544U - - Google Patents
Info
- Publication number
- JPH0487544U JPH0487544U JP40049590U JP40049590U JPH0487544U JP H0487544 U JPH0487544 U JP H0487544U JP 40049590 U JP40049590 U JP 40049590U JP 40049590 U JP40049590 U JP 40049590U JP H0487544 U JPH0487544 U JP H0487544U
- Authority
- JP
- Japan
- Prior art keywords
- lance pipe
- short metal
- metal fibers
- slit material
- present
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 229910000805 Pig iron Inorganic materials 0.000 claims 1
- 238000009628 steelmaking Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Description
第１図Ａ〜Ｃは本考案のランスパイプに適用す
る環状金属短繊維を示す平面図、正面図及び側面
図、第２図は本考案のランスパイプに適用する環
状金属短繊維製造装置の正面図、第３図Ａ，Ｂは
本考案のランスパイプに適用する環状金属短繊維
製造装置におけるスリツタ装置の概略正面図及び
同スリツタ装置の上刃と下刃との関係を示した説
明図、第４図ａ〜ｄは本考案のランスパイプに適
用する環状金属短繊維の成形順序を示した説明図
、第５図Ａ，Ｂはランスパイプの全体構成を示す
正面図及び断面図、第６図は本考案のランスパイ
プに適用する環状金属短繊維の配合形態を示す要
部断面図、第７図は従来と本考案のランスパイプ
の耐用寿命を比較したグラフ、第８図は従来のラ
ンスパイプにおける亀裂状態を示した要部断面図
である。
符号の名称は以下のとおおりである。２０……
ランス芯金、２１……スタツド、２２……耐火物
、１０……薄鋼板、１１……アンコイラ、１２…
…スリツタ装置、１３……プレス装置、１４……
ピンチローラ、１５……スリツタロール、１６…
…スリツト材、１７……スリツト材剪断器、１７
ａ……スリツト材剪断器の上刃、１７ｂ……スリ
ツト材剪断器の下刃、１７１ａ……スリツト材剪
断器の上刃の刃面、１７２ａ……スリツト材剪断
器の上刃端縁切り込部、Ｒ……ランスパイプ、ｒ
……環状金属短繊維の直径。
1A to 1C are plan views, front views, and side views showing annular short metal fibers applied to the lance pipe of the present invention, and FIG. 2 is a front view of an annular short metal fiber manufacturing apparatus applied to the lance pipe of the present invention. Figures 3A and 3B are a schematic front view of the slitter device in the annular short metal fiber manufacturing device applied to the lance pipe of the present invention, an explanatory view showing the relationship between the upper blade and the lower blade of the slitter device, and Figures 3A and 3B. 4A to 4D are explanatory diagrams showing the forming order of the annular short metal fibers applied to the lance pipe of the present invention, FIGS. 5A and B are front views and cross-sectional views showing the overall structure of the lance pipe, and FIG. 6 Figure 7 is a graph comparing the service life of the conventional lance pipe and the lance pipe of the present invention, Figure 8 is the conventional lance pipe. FIG. The names of the codes are as follows. 20...
Lance core metal, 21... stud, 22... refractory, 10... thin steel plate, 11... uncoiler, 12...
...Slitting device, 13...Press device, 14...
Pinch roller, 15...Suritsuta roll, 16...
...Slit material, 17...Slit material shears, 17
a...Upper blade of slit material shears, 17b...Lower blade of slit material shears, 171a...Blade surface of upper blade of slit material shears, 172a...Upper blade edge cut portion of slit material shears , R...Lance pipe, r
...The diameter of the circular short metal fiber.
Claims (1)
銑・製鋼ランスパイプであつて、前記金属短繊維
を略環状としたことを特徴とする製銑・製鋼ラン
スパイプ。 A pig iron making/steel making lance pipe made of an amorphous refractory containing short metal fibers, characterized in that the short metal fibers are approximately annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40049590U JPH0487544U (en) | 1990-12-13 | 1990-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40049590U JPH0487544U (en) | 1990-12-13 | 1990-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0487544U true JPH0487544U (en) | 1992-07-29 |
Family
ID=31878733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40049590U Pending JPH0487544U (en) | 1990-12-13 | 1990-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0487544U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS564940B2 (en) * | 1976-12-30 | 1981-02-02 | ||
| JPS5631403B2 (en) * | 1977-08-11 | 1981-07-21 | ||
| JPH027075U (en) * | 1988-06-24 | 1990-01-17 |
-
1990
- 1990-12-13 JP JP40049590U patent/JPH0487544U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS564940B2 (en) * | 1976-12-30 | 1981-02-02 | ||
| JPS5631403B2 (en) * | 1977-08-11 | 1981-07-21 | ||
| JPH027075U (en) * | 1988-06-24 | 1990-01-17 |