JPH0826389B2 - Water cooling system for furnace body - Google Patents
Water cooling system for furnace bodyInfo
- Publication number
- JPH0826389B2 JPH0826389B2 JP19525491A JP19525491A JPH0826389B2 JP H0826389 B2 JPH0826389 B2 JP H0826389B2 JP 19525491 A JP19525491 A JP 19525491A JP 19525491 A JP19525491 A JP 19525491A JP H0826389 B2 JPH0826389 B2 JP H0826389B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- water cooling
- furnace
- pure water
- cooling panel
- 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
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は溶融精錬炉の炉内耐火
物の層内に設けられた水冷パネルの漏水が発生した際の
早期発見及び緊急措置実施装置にかんする。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for early detection and an emergency measure when a water leak occurs in a water-cooled panel provided in a layer of refractory in a melting and refining furnace.
【０００２】[0002]
【従来の技術】従来、水冷式ランス型純酸素上吹き装置
を有する、転炉型の炉の炉体の寿命を延長する方法とし
ては、特開昭６３−７６８１１号公報に提案があるがこ
この水冷パネルは炉体の鉄皮の外側に取り付けられてお
り、炉内壁面における溶融金属の液面の上方を巡り取り
囲む炉壁耐火物の寿命を延長する機能を有するものでは
ない。2. Description of the Related Art Conventionally, as a method of extending the life of a furnace body of a converter type furnace having a water-cooled lance type pure oxygen top blowing device, there is a proposal in Japanese Patent Application Laid-Open No. 63-76811. The water cooling panel is attached to the outside of the iron shell of the furnace body, and does not have the function of extending the life of the furnace wall refractory surrounding the upper surface of the molten metal on the inner wall surface of the furnace.
【０００３】[0003]
【発明が解決しようとする課題】水冷パネルを炉体の鉄
皮の内部に取り付け、且つ炉内壁面における溶融金属の
液面の上方を巡り取り囲む炉壁耐火物の寿命を延長する
ことを可能とする事と、この水冷パネルを信頼して使用
する為に早期に漏水を、検出する装置を提供する事が望
まれていた。It is possible to mount a water cooling panel inside the iron shell of the furnace body and extend the life of the furnace wall refractory surrounding the liquid surface of the molten metal on the furnace inner wall surface. In addition, in order to reliably use this water-cooled panel, it has been desired to provide an apparatus for detecting water leakage at an early stage.
【０００４】[0004]
【課題を解決するための手段】この発明に係る炉体水冷
装置は、上吹転炉型の精錬炉の炉壁内に設けられた水冷
パネル及び該水冷パネルに冷却水を供給する水の循環装
置の、純水を封入した冷却水の循環装置と、水冷パネル
が破損し漏水が発生した際の緊急水冷パネル不活性ガス
置換装置と、水冷パネル漏水検出用の水面の塔状水柱部
を上部に有する密閉型純水循環タンクを具備する事を特
徴とする。A furnace water cooling apparatus according to the present invention is a water cooling panel provided in a furnace wall of a top blowing converter type refining furnace, and water circulation for supplying cooling water to the water cooling panel. The cooling water circulation device in which pure water is sealed, the emergency water cooling panel inert gas replacement device when water leakage occurs due to damage to the water cooling panel, and the water column tower on the water surface for water leakage detection It is characterized by comprising the closed type pure water circulation tank provided in.
【０００５】[0005]
【作用】水冷パネルが破損し漏水が発生すると、密閉型
純水循環タンク上部に設けられた、塔状水柱部内の水面
が低下して漏水が検出される。When the water cooling panel is damaged and water leakage occurs, the water level in the tower-like water column portion provided above the closed pure water circulation tank is lowered and the water leakage is detected.
【０００６】[0006]
【実施例】この発明に係る炉体水冷装置の１実施例を添
付した図に基づいて、詳細に説明する。図１はこの発明
に係る炉体水冷装置が取り付けられた溶融精錬炉の竪断
面を示す説明図である。図において１は炉体の鉄皮であ
る。２はこの発明の水冷パネルであり溶融精錬炉の炉内
耐火煉瓦の寿命を延長すると共に、溶滓面部に於いては
凝固滓より成るコーテイング層による耐火物構造体をな
す。３はワーク耐火煉瓦からなる消耗耐火物層である。
４は不定型耐火物からなる永久耐火物層である。５は鉄
皮１の内張りを成す耐火断熱ボードである。６は純酸素
等を吹き込むランスである。７は溶鋼等の溶融金属であ
る。８は精錬用の溶滓である。９は吹き込まれる酸素等
である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A furnace water cooling apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an explanatory view showing a vertical cross section of a melting and refining furnace equipped with a reactor water cooling device according to the present invention. In the figure, 1 is the iron shell of the furnace body. Reference numeral 2 is the water-cooled panel of the present invention, which extends the life of the refractory bricks in the melting and refining furnace and forms a refractory structure with a coating layer made of solidified slag on the slag surface portion. Reference numeral 3 is a consumable refractory layer made of a work refractory brick.
Reference numeral 4 is a permanent refractory layer made of an amorphous refractory material. Reference numeral 5 is a refractory heat insulating board that forms the lining of the iron skin 1. 6 is a lance for blowing pure oxygen or the like. 7 is a molten metal such as molten steel. 8 is a smelt for refining. 9 is oxygen or the like to be blown.
【０００７】水冷パネル２は純水が下部より供給され上
部より排出されて炉内耐火煉瓦を冷却して、その寿命を
延長している。更に溶滓８が炉体内張耐火煉瓦が溶損し
た後は水冷パネル２の表面に滓が凝固層を形成し、この
コーテイング層による耐火物構造体が出来上がり長い寿
命を維持する。この水冷パネル２は銅製の板状のウオー
タージャケットから成っている。この純水は水垢等の原
因になる物質をイオン交換樹脂装置により、取り除いて
得られたものである。The water-cooled panel 2 is supplied with pure water from the lower part and discharged from the upper part to cool the refractory bricks in the furnace to extend its life. Further, after the slag 8 has melted the refractory bricks in the furnace, the slag forms a solidified layer on the surface of the water-cooled panel 2, and the coating layer forms a refractory structure to maintain a long life. The water cooling panel 2 is composed of a copper plate-shaped water jacket. This pure water was obtained by removing substances causing scales by an ion exchange resin device.
【０００８】図２はこの発明に係る冷却水の循環装置
と、漏水が発生した際の緊急不活性ガス置換装置と、純
水循環タンク等を具備する炉体水冷装置を示した系統図
である。FIG. 2 is a system diagram showing a cooling water circulating device according to the present invention, an emergency inert gas replacement device when a leak occurs, a pure water circulating tank, and the like. .
【０００９】図において１は炉体の鉄皮である。２は水
冷パネルである。７は溶鋼である。２２は密閉型純水循
環タンクの本体部分である。２１は密閉型純水循環タン
クの本体部分２２の上部に取り付けられた水面部の塔状
水柱部であって、純水水面３０がこの塔状水柱部に位置
する様に純水の水量を調整して置く。純水は密閉型純水
循環タンクの本体部分２２から純水ポンプ２３によって
送り出されて純水流量調節弁２４を通り次いで純水緊急
遮断弁３２を通って、水冷パネル２に下方から供給され
る。この水冷パネル２において炉体を冷却して上方から
排出されて、純水冷却用熱交換器２７に導かれて、ここ
で工業用水によって純水が冷却される。２８は工業用水
の給排水装置である。In the figure, reference numeral 1 is an iron shell of the furnace body. 2 is a water cooling panel. 7 is molten steel. Reference numeral 22 denotes a main body of the closed pure water circulation tank. Reference numeral 21 is a tower-like water column portion of the water surface portion attached to the upper part of the main body portion 22 of the closed pure water circulation tank, and the amount of pure water is adjusted so that the pure water surface 30 is located in this tower-like water column portion. And put. Pure water is delivered from the main body portion 22 of the closed type pure water circulation tank by the pure water pump 23, passes through the pure water flow rate control valve 24, and then passes through the pure water emergency shutoff valve 32 to be supplied to the water cooling panel 2 from below. . In this water cooling panel 2, the furnace body is cooled and discharged from the upper side, guided to the pure water cooling heat exchanger 27, where the pure water is cooled by the industrial water. 28 is a water supply / drainage device for industrial water.
【００１０】次いで純水は密閉型純水循環タンクの本体
部分２２へ還流する。定常状態において純水水面３０が
この塔状水柱部に位置する様に純水の水量を調整されて
いる。この塔状水柱水面部２１は断面積が密閉型純水循
環タンクの本体部分２２の断面積のほぼ１／１００とな
っているので、水冷パネル２に亀裂を生じ漏水が発生す
ると、純水水面３０が急に低下して液面計３３により検
知し、その漏水発生信号は演算器２９に送られて漏水で
あると判断されると演算器２９から指令がはっせられ
て、純水緊急遮断弁３２が閉じられて、純水の通水が停
止される。The pure water then flows back to the main body portion 22 of the closed pure water circulation tank. The amount of pure water is adjusted so that the pure water surface 30 is located in this tower-shaped water column portion in a steady state. Since the cross-sectional area of this tower-like water column water surface portion 21 is approximately 1/100 of the cross-sectional area of the main body portion 22 of the closed type pure water circulation tank, when the water cooling panel 2 cracks and leaks occur, the pure water surface 30 suddenly drops and is detected by the liquid level gauge 33, and when the water leak occurrence signal is sent to the calculator 29 and it is judged that there is water leak, a command is issued from the calculator 29 and the pure water emergency shutoff valve is sent. 32 is closed and the passage of pure water is stopped.
【００１１】同時に演算器２９から指令が発せられて、
窒素供給弁２６が開かれ窒素管２５から窒素が水冷パネ
ル２に送り込まれて、純水を水冷パネル２から追い出し
炉中での水蒸気爆発を回避する。更に同時に演算器２９
から警報が発っせられて、操業を停止する。At the same time, a command is issued from the computing unit 29,
The nitrogen supply valve 26 is opened and nitrogen is fed into the water cooling panel 2 from the nitrogen pipe 25 to expel pure water from the water cooling panel 2 and avoid steam explosion in the furnace. Further, at the same time, the arithmetic unit 29
An alarm was issued by and the operation was stopped.
【００１２】[0012]
【発明の効果】この発明によると、は溶融精錬炉の炉内
耐火物の層内に設けられた水冷パネルの漏水が発生した
際には、自動的に純水の水冷パネルへの通水が停止され
同時に窒素で純水を水冷パネルから追い出し炉中での水
蒸気爆発を回避する事ができる。従って水冷パネル付き
溶融精錬炉の安定操業が確保できた。According to the present invention, when water leakage occurs in the water-cooled panel provided in the layer of the refractory in the melting and refining furnace, pure water is automatically passed through the water-cooled panel. At the same time, the pure water is purged from the water cooling panel with nitrogen and steam explosion in the furnace can be avoided. Therefore, stable operation of the melting and refining furnace with a water-cooled panel was secured.
【図１】本発明の炉体水冷装置が取り付けられた溶融精
錬炉の竪断面を示す説明図である。FIG. 1 is an explanatory view showing a vertical cross section of a melting and refining furnace equipped with a furnace body water cooling device of the present invention.
【図２】本発明の炉体水冷装置を示した系統図である。FIG. 2 is a system diagram showing a furnace body water cooling device of the present invention.
１ 鉄皮 ２ 水冷パネル ３ 消耗耐火物 ４ 永久耐火物 ５ 耐火断熱ボード ６ ランス ７ 溶鋼 ８ 溶滓 ９ 吹き込まれる酸素等 ２１ 水面部の塔状水柱部 ２２ 密閉型純水循環タンクの本体部分 ２３ 純水ポンプ ２４ 純水流量調節弁 ２５ 窒素管 ２６ 窒素供給弁 ２７ 純水冷却用熱交換器 ２８ 工業用水の給排水装置 ２９ 演算器 ３０ 純水水面 ３２ 純水緊急遮断弁 ３３ 液面計 1 Iron crust 2 Water-cooled panel 3 Consumable refractory 4 Permanent refractory 5 Refractory insulation board 6 Lance 7 Molten steel 8 Molten slag 9 Oxygen etc. 21 Water column tower water column 22 Main part of sealed pure water circulation tank 23 Pure Water pump 24 Pure water flow rate control valve 25 Nitrogen pipe 26 Nitrogen supply valve 27 Pure water cooling heat exchanger 28 Industrial water supply / drainage device 29 Computing unit 30 Pure water level 32 Pure water emergency shutoff valve 33 Liquid level gauge
Claims (1)
た水冷パネル及び該水冷パネルに冷却水を供給する水の
循環装置の、純水を封入した冷却水の循環装置と、水冷
パネルが破損し漏水が発生した際の緊急水冷パネル不活
性ガス置換装置と、水冷パネル漏水検出用の水面の塔状
水柱部を上部に有する密閉型純水循環タンクを具備する
事を特徴とする炉体水冷装置。1. A cooling water circulating device in which pure water is sealed, which is a water cooling panel provided in a furnace wall of a top blowing converter type refining furnace and a water circulating device for supplying cooling water to the water cooling panel. It is equipped with an emergency water cooling panel inert gas replacement device when a water cooling panel is damaged and a water leak occurs, and a sealed pure water circulation tank having a tower-shaped water column part on the water surface for water leak detection of the water cooling panel at the top. The water cooling system for the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19525491A JPH0826389B2 (en) | 1991-08-05 | 1991-08-05 | Water cooling system for furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19525491A JPH0826389B2 (en) | 1991-08-05 | 1991-08-05 | Water cooling system for furnace body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0539517A JPH0539517A (en) | 1993-02-19 |
| JPH0826389B2 true JPH0826389B2 (en) | 1996-03-13 |
Family
ID=16338078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19525491A Expired - Fee Related JPH0826389B2 (en) | 1991-08-05 | 1991-08-05 | Water cooling system for furnace body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0826389B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003901692A0 (en) * | 2003-04-10 | 2003-05-01 | Technological Resources Pty Ltd | Direct smelting plant |
| IT1403883B1 (en) * | 2010-08-06 | 2013-11-08 | Tenova Spa | FLUID-COOLED PANEL FOR METALLURGICAL OVENS, COOLING SYSTEM FOR METALLURGICAL OVENS INCLUDING SUCH PANEL AND METALLURGICAL OVEN INCORPORATING THE SAME |
| KR101669414B1 (en) * | 2015-11-02 | 2016-10-26 | 주식회사 포스코 | Apparatus for valve preventing the damaged cooling pipe of stave blast furnace and this method |
-
1991
- 1991-08-05 JP JP19525491A patent/JPH0826389B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0539517A (en) | 1993-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |