JPH0228094U - - Google Patents
Info
- Publication number
- JPH0228094U JPH0228094U JP10467688U JP10467688U JPH0228094U JP H0228094 U JPH0228094 U JP H0228094U JP 10467688 U JP10467688 U JP 10467688U JP 10467688 U JP10467688 U JP 10467688U JP H0228094 U JPH0228094 U JP H0228094U
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- bottom electrode
- hearth
- shell
- electrode
- 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
- 239000011449 brick Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000008187 granular material Substances 0.000 claims 1
- 239000000395 magnesium oxide Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
第１図と第２図は第１の実施例を表わす図面で
あつて、第１図は本考案に係るアーク炉の全体を
表わす断面図、第２図は炉底電極を取り外した状
態を表わす要部の断面図である。第３図と第４図
は第２の実施例を表わす図面であつて、第３図は
本考案に係るアーク炉の全体を表わす断面図、第
４図は炉底電極を取り外した状態を表わす要部の
断面図である。第５図は従来のアーク炉の全体を
表わす断面図である。
１…炉体、２…炉殻、２Ａ…炉壁部、２Ｂ…炉
床部、２ａ…鉄皮、２ｂ…耐火レンガ、３…炉蓋
、４…炉室、５…電極孔、６…把持支腕、６′…
把持部、７…消耗電極、８…炉底電極、９…取り
付け孔、９′，９″…孔部、１０…スリーブレン
ガ、１１…金属棒、１２…炉床耐火物、１３…水
冷ジヤケツト、１３ａ…取り付け板、１３ｂ…接
続端子、１４…環状隙間、１５…かんらん岩の砂
、１６…冷却水の導通路、１７…溶鋼、１８…炉
底電極、１９…電極取り付け板、２０…金属スパ
イク、２１…炉床耐火物、２２…接続端子。
Figures 1 and 2 are drawings showing the first embodiment, in which Figure 1 is a sectional view showing the entire arc furnace according to the present invention, and Figure 2 shows the state with the bottom electrode removed. FIG. 3 is a cross-sectional view of main parts. Figures 3 and 4 are drawings showing the second embodiment, in which Figure 3 is a sectional view showing the entire arc furnace according to the present invention, and Figure 4 shows the state with the furnace bottom electrode removed. FIG. 3 is a cross-sectional view of main parts. FIG. 5 is a sectional view showing the entire conventional arc furnace. DESCRIPTION OF SYMBOLS 1... Furnace body, 2... Furnace shell, 2A... Furnace wall part, 2B... Hearth part, 2a... Iron skin, 2b... Firebrick, 3... Furnace lid, 4... Furnace chamber, 5... Electrode hole, 6... Gripping Support arm, 6′...
Grip part, 7... Consumable electrode, 8... Hearth bottom electrode, 9... Mounting hole, 9', 9''... Hole part, 10... Sleeve brick, 11... Metal rod, 12... Hearth refractory, 13... Water cooling jacket, 13a... Mounting plate, 13b... Connection terminal, 14... Annular gap, 15... Peridotite sand, 16... Cooling water conduction path, 17... Molten steel, 18... Hearth bottom electrode, 19... Electrode mounting plate, 20... Metal Spike, 21... Hearth refractory, 22... Connection terminal.
Claims (1)
り炉体を形成し、同炉体内に形成する炉室内に臨
ませて消耗電極を昇降自在に吊持する一方、炉殻
の炉床部には上記炉室内に臨ませて炉底電極を取
付けて成るアーク炉等において、炉床部に埋設す
るスリーブレンガと炉底電極との間に形成される
環状隙間内に粒状若しくは粉状或いはこれらの混
合物を用いて形成する耐火物を充填させて成るア
ーク炉等における炉底電極の取外し構造。 (2) シリカとマグネシアの混合物を主体として
上記耐火物を形成したことを特徴とする実用新案
登録請求の範囲第１項に記載のアーク炉等におけ
る炉底電極の取外し構造。[Scope of Claim for Utility Model Registration] (1) A furnace body is formed by a furnace shell and a furnace lid that covers the opening of the furnace shell, and a consumable electrode can be freely raised and lowered by facing into the furnace chamber formed within the furnace body. In an arc furnace, etc., in which a bottom electrode is attached to the hearth part of the hearth shell facing into the furnace chamber, a sleeve brick is formed between the sleeve brick buried in the hearth part and the bottom electrode. A removable structure for a bottom electrode in an arc furnace, etc., in which an annular gap is filled with a refractory made of granules, powder, or a mixture thereof. (2) A removable structure for a bottom electrode in an arc furnace or the like as set forth in claim 1, wherein the refractory is formed mainly of a mixture of silica and magnesia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10467688U JPH0228094U (en) | 1988-08-08 | 1988-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10467688U JPH0228094U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228094U true JPH0228094U (en) | 1990-02-23 |
Family
ID=31336608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10467688U Pending JPH0228094U (en) | 1988-08-08 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228094U (en) |
-
1988
- 1988-08-08 JP JP10467688U patent/JPH0228094U/ja active Pending
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