JP3247855B2 - Water cooling panel for metal smelting furnace and metal smelting furnace - Google Patents
Water cooling panel for metal smelting furnace and metal smelting furnaceInfo
- Publication number
- JP3247855B2 JP3247855B2 JP22904797A JP22904797A JP3247855B2 JP 3247855 B2 JP3247855 B2 JP 3247855B2 JP 22904797 A JP22904797 A JP 22904797A JP 22904797 A JP22904797 A JP 22904797A JP 3247855 B2 JP3247855 B2 JP 3247855B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- water
- metal
- panel
- smelting furnace
- 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.)
- Expired - Fee Related
Links
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、金属精錬炉の炉壁
に使用される水冷パネル、及びそれを用いた溶融金属精
錬炉に関するものである。The present invention relates to a water-cooled panel used for a furnace wall of a metal smelting furnace and a molten metal smelting furnace using the same.
【０００２】[0002]
【従来の技術】溶融金属を製錬するために使用する炉
は、通常、炉内温度が極めて高温となるので、その内側
は、レンガ等の内張耐火物で保護されている。しかしな
がら、このように耐火物で内張りしても、使用を重ねる
と、製錬過程において炉上部での所謂２次燃焼帯からの
輻射熱によって次第に該耐火物が侵食され、損耗してく
るので、損耗がある量に達したら再度耐火物を張り直
す、所謂「炉修作業」が必須である。この炉修を行って
いる間は、当然のことながら炉を使用することができな
いばかりでなく、再度張り直す耐火物のコストも莫大で
ある。そこで、耐火物コストを低減し、また、炉修のた
めの炉の停止期間を短縮する手段として、炉壁の一部に
内部を水冷としたパネル（以下、水冷パネルという）を
使用することが行われている。2. Description of the Related Art The furnace used for smelting molten metal usually has an extremely high furnace temperature, and the inside thereof is protected by a refractory lining such as brick. However, even if the refractory is lined in this way, if the refractory is repeatedly used, the refractory is gradually eroded by the radiant heat from the so-called secondary combustion zone in the upper part of the furnace, and is gradually worn away. So-called "furnace repair work" is indispensable, when the amount reaches a certain level and the refractory is put on again. Naturally, during the furnace repair, the furnace cannot be used, and the cost of refractory to re-stretch is enormous. Therefore, as a means of reducing the cost of refractories and shortening the shutdown period of the furnace for furnace repair, it is necessary to use a water-cooled panel (hereinafter referred to as a water-cooled panel) in part of the furnace wall. Is being done.
【０００３】このような水冷パネルを設置した例として
は、電気炉、あるいはＤＩＯＳと称する固定式の転炉型
溶融還元炉（材料とプロセス；ｖｏｌ．９（１９９
６），Ｎｏ．４，ｐ６７２参照）等、炉体上部の溶融金
属面より上方になる部分を全周にわたり金属製の水冷パ
ネルで被覆しているものがある。但し、これらの炉は、
いずれも通常の傾動式ではなく、出湯口を炉底あるいは
下部に設置したものである。したがって、たとえ傾動し
たとしても、傾動角が小さいので、溶融金属面が水冷パ
ネルを配置した位置に行かないようになっている。これ
は、高温の溶融金属が、水冷パネルに接触すると、水冷
パネルを構成する金属を溶損する可能性が高いからであ
る。もしそのような溶損（これをバーン・アウトとい
う）が生じた場合、水冷パネルから漏出した冷却水は、
溶融金属中に入り、水蒸気爆発を引き起こす恐れがあ
る。As an example of installing such a water-cooled panel, an electric furnace or a fixed converter type smelting reduction furnace called DIOS (Materials and Process; vol. 9 (199)
6), No. 4, p. 672), etc., a portion above the molten metal surface at the upper part of the furnace body is covered with a metal water-cooled panel all around. However, these furnaces
Each of them is not a normal tilting type, but a tap hole is installed at the bottom or lower part of the furnace. Therefore, even if it tilts, the tilt angle is small, so that the molten metal surface does not go to the position where the water cooling panel is arranged. This is because when the high-temperature molten metal comes into contact with the water-cooled panel, there is a high possibility that the metal constituting the water-cooled panel is melted. If such erosion (burnout) occurs, the cooling water leaked from the water cooling panel will
May enter molten metal and cause steam explosion.
【０００４】一方、このような水冷パネルを傾動方式の
炉に採用した例としては、特開平８−３２７２４９号公
報に開示されたものがある。それは、炉体上部の溶融金
属面より上方となる部分の内壁を、全周にわたって水冷
パネルで被覆し、傾動に際して該溶融金属に接触する部
分の水冷パネル表面を耐火物で被覆するようにしたもの
である。On the other hand, an example in which such a water-cooled panel is employed in a tilting furnace is disclosed in Japanese Patent Application Laid-Open No. 8-327249. That is, the inner wall of the upper part of the furnace body above the molten metal surface is covered with a water cooling panel over the entire circumference, and the surface of the water cooling panel in contact with the molten metal at the time of tilting is covered with a refractory. It is.
【０００５】しかしながら、前記の電気炉、あるいは溶
融還元炉に採用したものと同種の水冷パネルを傾動式転
炉に採用すると、傾動の際に、溶融金属（溶鋼）が水冷
パネル表面に直接接触し、所謂バーン・アウトによる水
蒸気爆発の恐れが増加するという問題があった。また、
特開平８−３２７２４９号公報記載の「傾動の際に溶融
金属と接触する部分のみ、水冷パネルの表面を耐火物で
被覆する」技術でも、その水冷パネルの表面を被覆した
耐火物が損耗してくると、該水冷パネルの表面がむきだ
しとなり、溶融金属と接触してバーン・アウトを起こ
し、水蒸気爆発を誘起する可能性が高い。さらに、溶融
金属と非接触の部分が、全周に対してほぼ半周程度はあ
るので、大部分は耐火物を内張りすることになり、耐火
物コストを飛躍的に低下させることにならない。However, when a water-cooled panel of the same type as that used in the electric furnace or the smelting reduction furnace is used in the tilting converter, the molten metal (molten steel) comes into direct contact with the surface of the water-cooled panel during tilting. There is a problem that the risk of steam explosion due to so-called burnout increases. Also,
In the technique described in Japanese Patent Application Laid-Open No. 8-327249, "only the surface of a water-cooled panel is covered with a refractory only at the portion that comes into contact with molten metal during tilting", the refractory covering the surface of the water-cooled panel is worn out. When it comes, the surface of the water-cooled panel becomes exposed, and comes into contact with the molten metal to cause burn-out, which is highly likely to induce a steam explosion. Further, since the portion that is not in contact with the molten metal is approximately half the circumference of the entire circumference, the refractory is mostly lined, and the cost of the refractory is not drastically reduced.
【０００６】[0006]
【発明が解決しようとする課題】本発明は、かかる事情
に鑑み、耐火物を内張りしなくとも、バーン・アウトの
恐れがない金属精錬炉用水冷パネル及びそれを用いた金
属精錬炉を提供することを目的としている。SUMMARY OF THE INVENTION In view of the above circumstances, the present invention provides a water-cooled panel for a metal smelting furnace and a metal smelting furnace using the same, which does not require a refractory lining and does not cause burn-out. It is intended to be.
【０００７】[0007]
【課題を解決するための手段】発明者は、前記目的を達
成するため、出湯時の耐火物の働きに代わるものの存在
について鋭意研究を重ねた。そして、水冷パネルと溶融
金属が接触する面に、該出湯の一部を利用して凝固層を
形成させることを着想した。本発明は、この着想を具現
化したものである。Means for Solving the Problems In order to achieve the above object, the inventor has conducted intensive studies on the existence of an alternative to the function of the refractory at the time of tapping. Then, it was conceived to form a solidified layer on a surface where the water-cooled panel and the molten metal are in contact with each other by utilizing a part of the tapping water. The present invention embodies this idea.
【０００８】すなわち、本発明は、溶融金属を製錬する
炉の炉壁に使用する水冷パネルであって、その炉内側に
相当する面に、出湯時に接触する溶融金属を凝固させる
冷却ガスの吹出口を設けたことを特徴とする金属精錬炉
用水冷パネルである。また、本発明は、前記水冷パネル
の材質を、高熱伝導性金属としたり、あるいは前記金属
精錬炉を転炉としたことを特徴とする金属精錬炉用水冷
パネルである。That is, the present invention relates to a water-cooled panel used for a furnace wall of a furnace for smelting molten metal, the surface corresponding to the inside of the furnace being blown with a cooling gas for solidifying the molten metal which comes into contact with the molten metal at the time of tapping. A water cooling panel for a metal smelting furnace, wherein an outlet is provided. Further, the present invention is a water cooling panel for a metal smelting furnace, wherein the material of the water cooling panel is a highly heat conductive metal, or the metal smelting furnace is a converter.
【０００９】さらに、本発明は、炉肩の壁を貫通した出
湯孔と、炉体の傾動手段とを備えた金属精錬炉であっ
て、炉内に装入した溶融金属の静止面より上方に位置す
る炉壁に、前記の水冷パネルを配設してなることを特徴
とする金属精錬炉である。本発明では、金属精錬炉の水
冷パネルを、炉壁上部の溶融金属面より上方になる部分
を全周にわたり被覆するようにし、且つ該水冷パネル表
面から冷却用ガスを吹き出し、出湯の一部で凝固層を生
成させることで溶鋼接触時のバーン・アウトの防止を図
るようにしたので、操業中に発生したＣＯガスの２次燃
焼で耐火物が損耗し、その寿命を低下するのを解消し、
耐火物コストの大幅な削減が達成できるようになる。ま
た、また、本発明では、かかる水冷パネルを炉上部に設
置するため、上吹きランスを高い位置にすることがで
き、溶融金属面への上吹き酸素をソフト・ブローにする
ことが可能となり、発生するダスト量を減少させること
もできる。Further, the present invention relates to a metal refining furnace provided with a tap hole penetrating a wall of a furnace shoulder and a tilting means for the furnace body, wherein the metal refining furnace is provided above a stationary surface of molten metal charged in the furnace. A metal smelting furnace characterized in that the water-cooled panel is disposed on a furnace wall located. In the present invention, the water-cooled panel of the metal smelting furnace is formed so as to cover the entire portion of the upper part of the furnace wall above the molten metal surface, and a cooling gas is blown from the surface of the water-cooled panel, and a part of the hot water is discharged. The formation of a solidified layer prevents burn-out during contact with molten steel. This eliminates wear of refractories due to secondary combustion of CO gas generated during operation and shortens its life. ,
A significant reduction in refractory costs can be achieved. Further, in the present invention, since such a water-cooled panel is installed at the upper part of the furnace, the upper blowing lance can be set at a higher position, and the upper blowing oxygen to the molten metal surface can be soft blown, The amount of generated dust can be reduced.
【００１０】[0010]
【発明の実施の形態】以下に，図面に基づき、本発明の
実施形態を詳細に説明する。本発明に係る水冷パネル２
の本体は、図１に示すように、製鋼用電気炉（アーク
炉）に従来より使用されているものと同様、例えば、銅
又は銅合金製の扁平なブロック状であって、内部に冷却
水を通す通路が設けられている。そして、炉壁には、該
パネル２を多数並設してリング状にして使用され（図１
参照）では、、冷却水は、互いに隣り合うパネル同士の
冷却水の通路７を結合するか、あるいは単独で、別途設
けた供給手段（図示せず）から送られ、また炉壁外へ排
水できるようになっている。なお、図１では、水冷パネ
ルが炉壁全周にわたることを示すため、水冷パネルのみ
リング状で立体的に描いてある。Embodiments of the present invention will be described below in detail with reference to the drawings. Water cooling panel 2 according to the present invention
As shown in FIG. 1, the main body is a flat block made of, for example, copper or a copper alloy, similar to that conventionally used in a steelmaking electric furnace (arc furnace), and has a cooling water inside. There is provided a passage through which the air flows. On the furnace wall, a number of the panels 2 are used side by side and used in a ring shape (FIG. 1).
), The cooling water can be connected to the cooling water passages 7 of the panels adjacent to each other, or can be independently sent from a separately provided supply means (not shown), and can be discharged to the outside of the furnace wall. It has become. In FIG. 1, in order to show that the water-cooled panel extends over the entire circumference of the furnace wall, only the water-cooled panel is depicted in a ring shape in a three-dimensional manner.
【００１１】本発明は、この水冷パネル２の炉内側に相
当する面にガスの吹出口９を設け、そこから噴射される
ガスで出湯時に該パネル２と接触する溶融金属５の一部
を迅速に冷却するようにしたものである。その一例を挙
げると、図２のパネル断面に示すように、冷却水の通路
７とは別に、炉内側に相当する面にガスの吹出口９が設
けられており、炉外に配置したガス供給源（図示せず）
からの冷却ガス１１を噴射するようにしてある。According to the present invention, a gas outlet 9 is provided on the surface of the water-cooled panel 2 corresponding to the inside of the furnace, and a part of the molten metal 5 which comes into contact with the panel 2 at the time of tapping is expelled by the gas injected therefrom. It is designed to cool down. For example, as shown in the panel cross section of FIG. 2, a gas outlet 9 is provided on a surface corresponding to the inside of the furnace, separately from the passage 7 of the cooling water, and a gas supply port disposed outside the furnace is provided. Source (not shown)
The cooling gas 11 is injected.
【００１２】従来の水冷パネル２にあっては、その冷却
能は、冷却水の流速と流量を大きくし、かつ、肉薄と
し、さらに冷却水の通路７を増やして伝熱に寄与する面
積を増やすほど向上する。しかし、肉薄にし、冷却水の
通路７の数を増やすことは、水冷パネル２の強度低下と
万一の溶損の際に冷却水の漏出につながる危険性が高く
なることを意味する。そこで、本発明では、水冷パネル
２の一方の面に冷却ガス１１の吹出口９を設けること
で、図３（ｂ）に示すように、炉内側に相当する面の冷
却能を向上して溶融金属５の凝固層８を形成し、この水
冷パネル２が溶融金属浴面下に埋設しても、溶損に耐え
る冷却能を付与するようにしたのである。In the conventional water-cooled panel 2, the cooling capacity is such that the flow velocity and flow rate of the cooling water are increased and the cooling water is made thinner, and the area of the cooling water passage 7 is increased to increase the area contributing to heat transfer. The better. However, increasing the number of cooling water passages 7 by making the cooling water thinner means that the strength of the water cooling panel 2 is reduced and the risk of leakage of the cooling water in the event of meltdown increases. Therefore, in the present invention, by providing an outlet 9 for the cooling gas 11 on one surface of the water-cooled panel 2, as shown in FIG. The solidification layer 8 of the metal 5 is formed so that even if the water-cooled panel 2 is buried under the surface of the molten metal bath, the cooling ability to withstand erosion is provided.
【００１３】ガス吹出口９は、この水冷パネル２内に設
けたガス通路１０とこれに連通して設けた細孔ないしは
スリット・ノズル等からなる。そして、通常は、１枚の
水冷パネル２に、これら吹出口９を多数設けるが、それ
らの配列は、直線状、千鳥状、多段等いずれでも良い。
また、本発明では、水冷パネル２の材質は、上記した銅
に限らず、耐熱製の高いセラミック（例えば、アルミ
ナ、炭化珪素等）としても良い。The gas outlet 9 comprises a gas passage 10 provided in the water-cooled panel 2 and pores or slit nozzles provided in communication therewith. Usually, a large number of these outlets 9 are provided in one water-cooled panel 2, but the arrangement thereof may be any of a straight line, a staggered shape, and a multi-stage.
Further, in the present invention, the material of the water-cooled panel 2 is not limited to the above-described copper, but may be a high heat-resistant ceramic (for example, alumina, silicon carbide, or the like).
【００１４】なお、本発明では、炉体を傾動し、水冷パ
ネル２が溶融金属５の浴面下に埋設した際に、上記吹出
口９内に溶融金属５が差し込まないように、吹出す冷却
ガス１１の圧力、流速、吹出口の径又は幅を設計するこ
とが肝要である。このガス１１の吹出口９の設計にあた
っては、所謂底吹き転炉の炉底から撹拌ガスを吹き込む
ための金属細管羽口の設計で採用されている周知の計算
方法を適用すれば良い。In the present invention, when the furnace body is tilted and the water-cooled panel 2 is buried under the bath surface of the molten metal 5, the cooling is blown out so that the molten metal 5 is not inserted into the outlet 9. It is important to design the pressure, flow velocity, and diameter or width of the gas outlet of the gas 11. In designing the outlet 9 for the gas 11, a well-known calculation method adopted in the design of a metal tube tuyere for injecting a stirring gas from the bottom of a so-called bottom-blowing converter may be applied.
【００１５】次に、本発明の水冷パネル２を適用する金
属製錬炉としては、電気炉（アーク炉）、転炉、溶融還
元炉等のいずれでも良い。特に、出湯作業のために炉体
を傾動し、その際に溶融金属５の浴面下に埋設するよう
な部位を有する炉、例えば通常の転炉に埋設する炉内壁
に使用するのが、最も本発明の効果が顕著となる。ま
た、かかる炉としては、炉壁の肩を貫通した出湯孔と、
炉体傾動手段とを備えたものであり、本発明に係る水冷
パネル２の適用位置は、炉上部の直立時において、溶融
金属５の静止浴面より上方に位置する範囲の内壁であ
る。さらに、製鋼用転炉、溶融還元炉等では、図２に図
示するように、炉上部の絞り部内壁を大略全周にわたっ
て本発明に係る水冷パネル２で被覆するの効果的であ
る。加えて、ガスの吹出口９から吹出す冷却ガス１１と
しては、冷却能を有するものであれば、いかなる種類で
あっても良い。つまり、酸化発熱を生じさせるような酸
素又は酸素含有ガスを除く各種の冷却ガス１１が適用で
きる。具体的には、Ａｒ、Ｎ2 などの不活性ガス、高温
下での分解吸熱が期待できる炭化水素系ガスである。Next, the metal smelting furnace to which the water-cooled panel 2 of the present invention is applied may be any of an electric furnace (arc furnace), a converter, a smelting reduction furnace, and the like. In particular, the furnace body is tilted for tapping work, and at that time, it is most used for a furnace having a portion to be buried under the bath surface of the molten metal 5, for example, a furnace inner wall buried in a normal converter. The effect of the present invention becomes remarkable. Also, as such a furnace, a tap hole penetrating the shoulder of the furnace wall,
The water cooling panel 2 according to the present invention is applied to an inner wall in a range located above the stationary bath surface of the molten metal 5 when the furnace upper part is upright. Further, in a steelmaking converter, a smelting reduction furnace, or the like, as shown in FIG. 2, it is effective to cover the inner wall of the narrowed portion at the upper part of the furnace with the water cooling panel 2 according to the present invention over substantially the entire circumference. In addition, the cooling gas 11 blown out from the gas outlet 9 may be of any type as long as it has a cooling ability. That is, various types of cooling gas 11 other than oxygen or an oxygen-containing gas that generate oxidative heat can be used. Specifically, it is an inert gas such as Ar or N 2, or a hydrocarbon-based gas that can be expected to endothermic at high temperatures.
【００１６】[0016]
【実施例】出湯口６より上部の炉壁全周にわたり銅製の
水冷パネル２を貼った転炉型溶融還元炉を用いて、ステ
ンレス鋼製造のための母溶鋼の溶融還元操業を行った
（クロム鉱石を炭材で直接溶融還元する）。この母溶鋼
５の溶製中は、上吹き酸素ランス３を介して酸素ガスを
上吹し、前記還元炉の上部で該母溶鋼５内から発生した
ＣＯガスの２次燃焼が起きる。EXAMPLE A smelting reduction operation of mother molten steel for the production of stainless steel was carried out using a converter type smelting reduction furnace having a copper water-cooled panel 2 attached over the entire circumference of the furnace wall above the tap hole 6 (chromium). Ore is directly melted and reduced with carbonaceous material). During the smelting of the mother molten steel 5, oxygen gas is blown upward through the top-blown oxygen lance 3, and secondary combustion of CO gas generated from inside the mother molten steel 5 occurs in the upper part of the reduction furnace.
【００１７】本発明に係る水冷パネル２は、該上吹酸素
ランス３の先端部とほぼ同じ高さに設置されており、該
水冷パネル２内に流した冷却水は、通路７内の流速で８
ｍ／ｓｅｃ、内圧が６ｋｇｆ／ｃｍ2 とし、その沸点を
１２０℃まで上昇させてある。また、水冷パネル２表面
の母溶鋼５との接触面側には、直径２ｍｍφの孔を設
け、内部から常時Ａｒガスを吹き出すようにした。冷却
ガス１１の吹出口９は、パネル１枚当たり直線配列で１
６個で、ガス圧力は７ｋｇｆ／ｍ2 、流量３００リット
ル／ｍｉｎであった。かかる溶融還元精錬の終了後に炉
体を傾動させ、製造した母溶鋼５を炉外に排出した（図
３参照）が、水冷パネル２表面は、冷却ガス１１により
積極的に冷却された。従って、水冷パネル２面と母溶鋼
５が直接接触し（図３参照）たが、前述した表面冷却ガ
スの効果で水冷パネル２と母溶鋼面５間に凝固層８が生
成され、この凝固層８が水冷パネル２の温度上昇を緩和
し、該水冷パネル２のバーン・アウトが防止できた。従
来は、該水冷パネルの部分は耐火レンガであったが、本
発明の適用で、溶融還元操業に要する耐火物コストが大
幅に低減した。The water-cooled panel 2 according to the present invention is installed at substantially the same height as the tip of the top-blown oxygen lance 3, and the cooling water flowing into the water-cooled panel 2 flows at a flow rate in the passage 7. 8
m / sec, the internal pressure was 6 kgf / cm 2 , and the boiling point was raised to 120 ° C. A hole having a diameter of 2 mm was provided on the surface of the water-cooled panel 2 in contact with the mother molten steel 5 so that Ar gas was constantly blown from the inside. The outlet 9 of the cooling gas 11 has one linear arrangement per panel.
The gas pressure was 7 kgf / m 2 and the flow rate was 300 l / min. After the completion of the smelting reduction refining, the furnace body was tilted and the produced molten steel 5 was discharged out of the furnace (see FIG. 3), but the surface of the water-cooled panel 2 was actively cooled by the cooling gas 11. Therefore, although the surface of the water-cooled panel 2 and the mother molten steel 5 were in direct contact with each other (see FIG. 3), a solidified layer 8 was generated between the water-cooled panel 2 and the mother molten steel surface 5 by the effect of the surface cooling gas described above. 8 moderated the temperature rise of the water-cooled panel 2 and prevented the water-cooled panel 2 from burning out. Conventionally, the portion of the water-cooled panel was made of refractory bricks, but by applying the present invention, the cost of refractories required for the smelting reduction operation has been greatly reduced.
【００１８】上記実施例では、本発明に係る水冷パネル
を溶融還元炉に適用したものであるが、本発明は、通常
の製鋼操業に使用する転炉等、電気炉等のあらゆる金属
精錬炉に適用が可能なことは、言うまでもない。In the above embodiment, the water-cooled panel according to the present invention is applied to a smelting reduction furnace. However, the present invention is applicable to all metal refining furnaces such as converters and electric furnaces used in ordinary steelmaking operations. It goes without saying that it can be applied.
【００１９】[0019]
【発明の効果】以上述べたように、本発明により、金属
精錬用炉で溶融金属と水冷パネルが接触しても、該水冷
パネルのバーン・アウトは完全に防止できた。また、本
発明の採用で、耐火物コストが従来より大幅に削減され
る。さらに、溶融面への上吹き酸素のソフト・ブローが
可能となり、炉内発生ダストの量を減少することもでき
た。As described above, according to the present invention, even if molten metal comes into contact with a water-cooled panel in a metal refining furnace, burn-out of the water-cooled panel can be completely prevented. In addition, by employing the present invention, the cost of refractories is greatly reduced compared to the conventional case. Furthermore, soft blowing of the top-blown oxygen to the molten surface became possible, and the amount of dust generated in the furnace was reduced.
【図１】本発明に係る水冷パネルの断面を示す図であ
る。FIG. 1 is a diagram showing a cross section of a water-cooled panel according to the present invention.
【図２】本発明に係る水冷パネルを転炉に使用した状況
を示す縦断面図である。FIG. 2 is a longitudinal sectional view showing a situation where the water-cooled panel according to the present invention is used in a converter.
【図３】本発明に係る水冷パネルを転炉に使用した別の
例を示す図であり、（ａ）は転炉と水冷パネルとが接触
した時の全体図、（ｂ）は（ａ）の丸囲い部の拡大図で
ある。3A and 3B are diagrams showing another example in which the water-cooled panel according to the present invention is used in a converter, where FIG. 3A is an overall view when the converter and the water-cooled panel are in contact with each other, and FIG. It is an enlarged view of the circled part.
１ 金属精錬炉（溶融還元炉、転炉等） ２ 水冷パネル ３ 上吹き酸素用ランス ４ スラグ ５ 溶融金属（母溶鋼） ６ 出湯口 ７ 冷却水の通路 ８ 凝固層 ９ 冷却ガスの吹出口 １０ パネル内のガス通路 １１ 冷却ガス DESCRIPTION OF SYMBOLS 1 Metal smelting furnace (smelting reduction furnace, converter, etc.) 2 Water-cooled panel 3 Lance for top-blown oxygen 4 Slag 5 Molten metal (base molten steel) 6 Outlet 7 Cooling water passage 8 Solidification layer 9 Cooling gas outlet 10 Panel Gas passage 11 inside
───────────────────────────────────────────────────── フロントページの続き (72)発明者 田玉 智明 千葉県千葉市中央区川崎町１番地 川崎 製鉄株式会社 千葉製鉄所内 (56)参考文献 特許2566667（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.7，ＤＢ名) F27D 1/12 C21C 5/42 C21C 5/46 105 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Tomoaki Tada 1 Kawasaki-cho, Chuo-ku, Chiba-shi, Chiba Kawasaki Steel Corporation Chiba Works (56) References Patent 2566667 (JP, B2) (58) Fields investigated (Int.Cl. 7 , DB name) F27D 1/12 C21C 5/42 C21C 5/46 105
Claims (4)
水冷パネルであって、 その炉内側に相当する面に、出湯時に接触する溶融金属
を凝固させる冷却ガスの吹出口を設けたことを特徴とす
る金属精錬炉用水冷パネル。1. A water-cooling panel used for a furnace wall of a furnace for smelting molten metal, wherein a surface of the furnace corresponding to the inside of the furnace is provided with an outlet for a cooling gas for solidifying the molten metal that comes into contact at the time of tapping. A water cooling panel for a metal smelting furnace.
属としたことを特徴とする請求項１記載の金属精錬炉用
水冷パネル。2. The water cooling panel for a metal smelting furnace according to claim 1, wherein the material of the water cooling panel is a high heat conductive metal.
とする請求項１又は２記載の金属精錬炉用水冷パネル。3. A water cooling panel for a metal smelting furnace according to claim 1, wherein said metal smelting furnace is a converter.
動手段とを備えた金属精錬炉であって、 炉内に装入した溶融金属の静止面より上方に位置する炉
壁に、請求項１〜３いずれかに記載の水冷パネルを配設
してなることを特徴とする金属精錬炉。4. A metal smelting furnace having a tap hole penetrating a wall of a furnace shoulder and a tilting means for a furnace body, wherein the furnace wall is located above a stationary surface of molten metal charged in the furnace. A metal smelting furnace comprising the water cooling panel according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22904797A JP3247855B2 (en) | 1997-08-26 | 1997-08-26 | Water cooling panel for metal smelting furnace and metal smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22904797A JP3247855B2 (en) | 1997-08-26 | 1997-08-26 | Water cooling panel for metal smelting furnace and metal smelting furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1163848A JPH1163848A (en) | 1999-03-05 |
| JP3247855B2 true JP3247855B2 (en) | 2002-01-21 |
Family
ID=16885922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22904797A Expired - Fee Related JP3247855B2 (en) | 1997-08-26 | 1997-08-26 | Water cooling panel for metal smelting furnace and metal smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3247855B2 (en) |
-
1997
- 1997-08-26 JP JP22904797A patent/JP3247855B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1163848A (en) | 1999-03-05 |
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