JPH0641614B2 - Sealing device for the sub-lance hole of the pressurized converter exhaust gas treatment device - Google Patents
Sealing device for the sub-lance hole of the pressurized converter exhaust gas treatment deviceInfo
- Publication number
- JPH0641614B2 JPH0641614B2 JP1281232A JP28123289A JPH0641614B2 JP H0641614 B2 JPH0641614 B2 JP H0641614B2 JP 1281232 A JP1281232 A JP 1281232A JP 28123289 A JP28123289 A JP 28123289A JP H0641614 B2 JPH0641614 B2 JP H0641614B2
- Authority
- JP
- Japan
- Prior art keywords
- sublance
- seal mechanism
- sub
- seal
- lance
- 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 - Lifetime
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、加圧型転炉排ガス処理装置のサブランス孔の
シール装置に関する。Description: TECHNICAL FIELD The present invention relates to a sealing device for a sublance hole of a pressurized converter exhaust gas treatment device.
従来、サブランスは炉内温度の測定時、サブランス孔内
でＮ2ガス等の不活性ガスを大量に噴出して気体カーテ
ンを生成し、サブランス孔からの炉内ガスの噴き出しや
外気の吸込みを防止していた。Conventionally, when measuring the temperature inside the furnace, the sublance spouts a large amount of inert gas such as N 2 gas in the sublance hole to create a gas curtain, preventing the spouting of the furnace gas from the sublance hole and the suction of outside air. Was.
ところで、最近の転炉の操業では、治金上のメリットか
ら炉内ガス圧力を常圧よりも高い圧力で運転する所謂加
圧操業を行うことが多くなり、従来のシール手段ではシ
ール可能な炉内ガス圧力にはおのずと限界があり、また
その際に使用されるＮ2ガス量も膨大なものとなってい
る。By the way, in the recent operation of a converter, a so-called pressurization operation in which the gas pressure in the furnace is operated at a pressure higher than the normal pressure is often performed due to the advantage of metallurgy. The internal gas pressure naturally has a limit, and the amount of N 2 gas used at that time is enormous.
この為、加圧操業の行われる転炉に於いてもサブランス
による炉内温度の測定時には炉内ガス圧力をほぼ常圧ま
で降下させる必要があり、サブランスの使用時期、使用
回数が制限される。また炉内ガス圧力の降圧、昇圧に時
間を要し、製鋼作業の能率低下を来たす等の問題があっ
た。For this reason, even in a converter in which pressure operation is performed, it is necessary to reduce the gas pressure in the furnace to almost normal pressure when measuring the temperature in the furnace by the sublance, which limits the time and number of times the sublance is used. Further, there is a problem in that it takes time to reduce and increase the gas pressure in the furnace, resulting in a decrease in the efficiency of steelmaking work.
そこで本発明は、サブランスによる炉内温度の測定時に
炉内のガス圧力を降下させずに加圧したままの状態で使
用できるサブランス孔のシール装置を提供しようとする
ものである。Therefore, the present invention aims to provide a sublance hole sealing device that can be used in a pressurized state without lowering the gas pressure in the furnace when the temperature in the furnace is measured by the sublance.
上記課題を解決するための本発明のサブランス孔のシー
ル装置は、サブランス孔の上端に垂直に接続したサブラ
ンス挿入筒と、該サブランス挿入筒の下端部に設けたＮ
2ガス噴出装置と、該Ｎ2ガス噴出装置の上側に設けた水
冷式の炉内輻射熱遮断弁と、サブランス挿入筒の中間に
設けた水冷式のガスシール弁と、サブランス挿入筒の上
端部外周に設けられ外方に向って傾斜した上面に流体の
流出入により断面径が変化する可撓性の中空円環状シー
ル材を備えたシール機構受けと、サブランスの外周に設
けたストッパーに支持され且つサブランスの外周に嵌装
され前記シール機構受けに載せることによりサブランス
挿入筒とサブランスとの間をシールするラビリンスタイ
プのシール機構と、前記シール機構受けの外周に回転可
能に設けられシール機構受けに載ったシール機構をロッ
クする固定装置とより成るものである。A sub-lance hole sealing device of the present invention for solving the above-mentioned problems is a sub-lance insertion tube vertically connected to the upper end of the sub-lance hole, and an N provided at the lower end of the sub-lance insertion tube.
2 gas jetting device, water-cooled in-furnace radiant heat cutoff valve provided on the upper side of the N 2 gas jetting device, water-cooled gas seal valve provided in the middle of the sublance insertion cylinder, and outer periphery of the upper end of the sublance insertion cylinder Is supported by a seal mechanism receiver provided with a flexible hollow annular seal member whose cross-sectional diameter is changed by the inflow and outflow of a fluid on the upper surface inclined outward, and a stopper provided on the outer periphery of the sublance. A labyrinth type seal mechanism that is fitted around the outer circumference of the sublance and is placed on the seal mechanism receiver to seal between the sublance insertion tube and the sublance, and a labyrinth type seal mechanism that is rotatably provided on the outer periphery of the seal mechanism receiver. And a fixing device for locking the sealing mechanism.
上述の如く構成されたサブランス孔のシール装置は、サ
ブランスによる炉内温度の測定時、先ずサブランス外周
のシール機構をサブランス挿入筒の上端外周に設けられ
たシール機構受けに載せて固定装置にてロックする。次
にシール機構受けの傾斜した上面に備えられた可撓性の
中空円環状シール材内に流体を流入して、その流体の圧
力により断面径を増大し、シール機構側の下面に密着
し、シール機構とサブランス挿入筒との間をシールす
る。次いでサブランス挿入筒の中間部の水冷式ガスシー
ル弁とサブランス挿入筒の下部の水冷式輻射熱遮断弁を
開いた後、サブランス挿入筒の下端部のＮ2ガス噴出装
置からＮ2ガスをサブランス挿入筒内に噴出し乍ら待機
位置にあるサブランスを転炉内の測温位置まで下降させ
る。With the sub-lance hole sealing device configured as described above, when the temperature inside the furnace is measured by the sub-lance, first, the sub-lance outer seal mechanism is placed on the seal mechanism receiver provided on the upper outer circumference of the sub-lance insertion cylinder and locked by the fixing device. To do. Next, a fluid is caused to flow into the flexible hollow annular seal material provided on the inclined upper surface of the seal mechanism receiver, the cross-sectional diameter is increased by the pressure of the fluid, and the fluid adheres to the lower surface on the seal mechanism side, A seal is provided between the seal mechanism and the sublance insertion tube. Then after opening the bottom of the water-cooled radiant heat shutoff valve in the middle of the water-cooled gas seal valve sub-lance insertion tube and sub-lance insertion tube, sub-lance insertion tube and N 2 gas from the N 2 gas injection device of the lower end of the sub-lance insertion tube The sublance at the standby position is lowered to the temperature measuring position in the converter by jetting out.
サブランスによる測温が終了したならば、サブランスを
元の待機位置に上昇し停止する。次に水冷式ガスシール
弁と水冷式輻射熱遮断弁を閉じる。次いでシール機構受
けの傾斜した上面の中空円環状シール材内の流体を排出
してシール機構とサブランス挿入筒とのシールを解いた
後、固定装置を解放してシール機構とシール機構受けを
フリーにする。然る後サブランスを待機位置から所定の
位置へ上昇する。When the temperature measurement by the sublance is completed, the sublance is raised to the original standby position and stopped. Next, the water-cooled gas seal valve and the water-cooled radiant heat cutoff valve are closed. Next, the fluid in the hollow annular seal material on the inclined upper surface of the seal mechanism receiver is discharged to release the seal between the seal mechanism and the sublance insertion tube, and then the fixing device is released to free the seal mechanism and the seal mechanism receiver. To do. After that, the sublance is lifted from the standby position to a predetermined position.
本発明の加圧型転炉排ガス処理装置のサブランス孔のシ
ール装置の一実施例を図によって説明すると、第１図に
於いて、１は転炉、２は加圧型転炉排ガス処理装置で、
その下部冷却器３の途中にサブランス孔４が設けられ、
サブランス５が昇降可能に挿入されている。前記サブラ
ンス孔４は、第２図に示す如く一側上側外側に冷却水流
入管６が設けられ、外周にジャケット７が設けられ、他
側上端外側に冷却水流出管８が設けられている。９はジ
ャケット７の外周側の断熱材である。このサブランス孔
４の上端に垂直にサブランス挿入筒10が接続され、この
サブランス挿入筒10の下端部にＮ2ガス噴出装置11が設
けられている。Ｎ2ガス噴出装置11は、サブランス挿入
筒10の下端部の周壁に等間隔に噴出口12を穿設し、その
噴出口12を穿設した周壁の外側に同心に囲壁13を設けて
Ｎ2ガス噴出室14を形成し、囲壁13の１個所にＮ2ガス流
入管15を設けたものである。このＮ2ガス噴出装置11の
上側でサブランス挿入筒10には、水冷式の炉内輻射熱遮
断弁として、エアーシリンダー16により駆動されるナイ
フゲート弁17が設けられている。18はこのナイフゲート
弁17におけるダストパージ用のＮ2ガス流入管である。1
9はナイフゲート弁17の上方でサブランス挿入筒10に設
けたＮ2ガス流入管である。サブランス挿入筒10の中間
部には、水冷式のガスシール弁として、エアーシリンダ
ー20により駆動されるボール弁21が設けられている。サ
ブランス挿入筒10の上端部外周にはシール機構受け22が
設けられ、このシール機構受け22には外方に向って傾斜
した上面23を有し、この傾斜した上面23に流体の流出入
により断面径が変化する可撓性の中空円環状シール材24
が埋込んで突設されている。25はこの中空円環状シール
材24に流体を流出入する通路で、この通路25にホース26
が接続されている。27はサブランス５の外周に固設され
たストッパー28の傾斜上面に支持されてサブランス５の
外周に嵌装されたラビリンスタイプのシール機構で、こ
のシール機構27の前記ストッパー28上に内周部が載って
いる環状の台座29は大径で、その下面が前記シール機構
受け22の傾斜した上面23及びストッパー28の傾斜上面と
対応した傾斜面30となっている。前記シール機構受け22
の外周面にはシール機構受け22の傾斜した上面23に載っ
たシール機構27をロックする固定装置31が設けられてい
る。この固定装置31は、シール機構受け22の外周面に形
成された環状凹部32と、この環状凹部32に回転可能に下
辺33aが嵌合支持され上辺33bが歯形状に形成された断面
コ形のクラッチドア33と、このクラッチドア33の歯形状
の上辺33bと上下方向で係合する前記シール機構27の台
座29の外周面に設けられた歯形状の爪34とより成るもの
である。An embodiment of a sealing device for a sub lance hole of a pressurized converter exhaust gas treating apparatus of the present invention will be described with reference to the drawing. In FIG. 1, 1 is a converter, 2 is a pressurized converter exhaust gas treating apparatus,
A sub-lance hole 4 is provided in the middle of the lower cooler 3,
The sub lance 5 is inserted so that it can be moved up and down. As shown in FIG. 2, the sub-lance hole 4 is provided with a cooling water inflow pipe 6 on the outer side on one side, a jacket 7 on the outer periphery, and a cooling water outflow pipe 8 on the outer side on the other side. Reference numeral 9 is a heat insulating material on the outer peripheral side of the jacket 7. A sublance insertion cylinder 10 is vertically connected to the upper end of the sublance hole 4, and an N 2 gas ejection device 11 is provided at the lower end of the sublance insertion cylinder 10. N 2 gas jet device 11 bored spout 12 at equal intervals in the peripheral wall of the lower end portion of the sub-lance insertion tube 10, and the enclosure 13 concentrically on the outside of the peripheral wall bored the spout 12 provided N 2 A gas ejection chamber 14 is formed, and an N 2 gas inflow pipe 15 is provided at one location on the surrounding wall 13. A knife gate valve 17 driven by an air cylinder 16 is provided on the sub-lance insertion cylinder 10 above the N 2 gas ejection device 11 as a water-cooled radiant heat cutoff valve in the furnace. Reference numeral 18 is an N 2 gas inflow pipe for dust purging in the knife gate valve 17. 1
Reference numeral 9 denotes an N 2 gas inflow pipe provided in the sub lance insertion cylinder 10 above the knife gate valve 17. A ball valve 21 driven by an air cylinder 20 is provided as a water-cooled gas seal valve in the middle of the sublance insertion tube 10. A seal mechanism receiver 22 is provided on the outer periphery of the upper end portion of the sublance insertion tube 10, and the seal mechanism receiver 22 has an upper surface 23 inclined outward, and a cross section of the inclined upper surface 23 due to the inflow and outflow of fluid. Flexible hollow annular seal material 24 with variable diameter
Is embedded and is projected. Reference numeral 25 is a passage through which a fluid flows in and out of the hollow annular seal member 24.
Are connected. Reference numeral 27 denotes a labyrinth type seal mechanism which is supported on the inclined upper surface of a stopper 28 fixedly provided on the outer periphery of the sublance 5 and fitted on the outer periphery of the sublance 5, and the inner peripheral portion of the seal mechanism 27 is located on the stopper 28. The ring-shaped pedestal 29 mounted has a large diameter, and its lower surface is an inclined upper surface 23 of the seal mechanism receiver 22 and an inclined upper surface 30 corresponding to the inclined upper surface of the stopper 28. The sealing mechanism receiver 22
A fixing device 31 for locking the seal mechanism 27 mounted on the inclined upper surface 23 of the seal mechanism receiver 22 is provided on the outer peripheral surface of the. This fixing device 31 has an annular recess 32 formed on the outer peripheral surface of the seal mechanism receiver 22, and a lower side 33a fitted and supported rotatably in the annular recess 32 and an upper side 33b having a tooth-shaped cross section. It comprises a clutch door 33 and tooth-shaped claws 34 provided on the outer peripheral surface of the pedestal 29 of the seal mechanism 27 which vertically engages with the tooth-shaped upper side 33b of the clutch door 33.
上述の如く構成された実施例のサブランス孔のシール装
置は、サブランス５による炉体温度の測定時、サブラン
ス５の下端部に測温プローブ（図示省略）を装着した
後、該サブランス５をサブランス挿入筒10内に挿入下降
し、サブランス５の外周のシール機構27をサブランス挿
入筒10の上端外周のシール機構受け22の傾斜した上面23
に載せ、これがリミットスイッチ等のサブランス位置検
出装置（図示省略）により確認されたならばサブランス
５の下降を停止する。この状態でエアーシリンダー（図
示省略）等によりシール機構受け22の外周面の環状凹部
32に下辺33aが回転可能に支持された断面コ形のクラッ
チドア33を回転し、歯形状の上辺33bをシール機構27の
台座29の外周面に設けられた歯形状の爪34の上側に係合
してシール機構27をロックする。次にシール機構受け22
の傾斜した上面23に備えられた可撓性の中空円環状シー
ル材24内のホース26、通路25を通して水を流入して、そ
の水の圧力により断面径を増大し、シール機構27の台座
29の傾斜面30に密着し、シール機構27とサブランス挿入
筒10との間をシールする。この時中空円環状シール材24
内に封入する水の圧力は炉内ガス圧力の倍程度の圧力で
良い。次いでサブランス挿入筒10の中間部の水冷式ガス
シール弁であるボール弁21をエアーシリンダー20の駆動
により開き、且つサブランス挿入筒10の下部の水冷式輻
射熱遮断弁であるナイフゲート弁17をエアーシリンダー
16の駆動により開いた後、サブランス挿入筒10の下端部
のＮ2ガス噴出装置11及びナイフゲート弁17の上側のＮ2
ガス流入管19からＮ2ガスをサブランス挿入筒10内に噴
出し乍ら待機位置にあるサブランス５を転炉１内の測温
位置まで下降させる。In the sub-lance hole sealing device of the embodiment configured as described above, when the temperature of the furnace body is measured by the sub-lance 5, a temperature measuring probe (not shown) is attached to the lower end of the sub-lance 5, and then the sub-lance 5 is inserted. The seal mechanism 27 on the outer periphery of the sub-lance 5 is inserted and lowered into the cylinder 10 and the inclined upper surface 23 of the seal mechanism receiver 22 on the outer periphery of the upper end of the sub-lance insertion cylinder 10 is inserted.
If this is confirmed by a sub-lance position detection device (not shown) such as a limit switch, the sub-lance 5 is stopped from descending. In this state, an air cylinder (not shown) or the like is used to form an annular recess on the outer peripheral surface of the seal mechanism receiver 22.
The clutch door 33 having a U-shaped cross section whose lower side 33a is rotatably supported by 32 is rotated, and the upper side 33b of the tooth shape is engaged with the upper side of the tooth-shaped claw 34 provided on the outer peripheral surface of the pedestal 29 of the seal mechanism 27. Then, the sealing mechanism 27 is locked. Next, the sealing mechanism receiver 22
Water flows in through the hose 26 and the passage 25 in the flexible hollow annular seal member 24 provided on the inclined upper surface 23 of the, and the cross-sectional diameter is increased by the pressure of the water, and the pedestal of the seal mechanism 27 is provided.
It closely adheres to the inclined surface 30 of 29, and seals between the sealing mechanism 27 and the sublance insertion tube 10. At this time, the hollow annular seal material 24
The pressure of the water sealed inside may be about twice the gas pressure in the furnace. Next, the ball valve 21, which is a water-cooled gas seal valve in the middle of the sublance insertion tube 10, is opened by driving the air cylinder 20, and the knife gate valve 17, which is a water-cooled radiant heat cutoff valve under the sublance insertion tube 10, is opened in the air cylinder.
After being opened by driving 16, the N 2 gas jetting device 11 at the lower end of the sublance insertion tube 10 and the N 2 at the upper side of the knife gate valve 17 are opened.
The N 2 gas is ejected from the gas inflow pipe 19 into the sub-lance insertion cylinder 10 to lower the sub-lance 5 at the standby position to the temperature measurement position in the converter 1.
尚、この時シール機構27内へもＮ2ガスを噴出させるよ
うにすれば、シール機構27のシール能力をさらに向上さ
せることができる。At this time, if N 2 gas is also ejected into the sealing mechanism 27, the sealing ability of the sealing mechanism 27 can be further improved.
前記のＮ2ガス噴出装置11からサブランス挿入筒10内に
噴出するＮ2ガスの量は、炉内のガス圧力よりも僅かに
高い圧力でシール機構27のシール部から漏出する量に見
合う程度の量で良い。The amount of N 2 gas ejected from the of the N 2 gas injecting unit 11 to sub-lance insertion tube 10 is enough to meet the amount of leaked at a slightly higher pressure than the gas pressure in the furnace from the sealing portion of the sealing mechanism 27 The amount is good.
サブランス５による測温が終了したならば、サブランス
５を元の待機位置に上昇し停止する。次にボール弁21と
ナイフゲート弁17を夫々エアーシリンダー20，16の駆動
により閉じる。ボール弁21、ナイフゲート弁17の全閉が
確認されたならば、シール機構受け22の傾斜した上面23
に備えられた中空円環状シール材24内に封入していた水
を排出してシール機構27とサブランス挿入筒10とのシー
ルを解いた後、クラッチドア33を回転し、歯形状の上辺
33bとシール機構27の台座29の外周面に設けられた歯形
状の爪34との係合を解いてシール機構27とシール機構受
け22をフリーにする。然る後サブランス５を待機位置か
ら所定の位置へ上昇する。When the temperature measurement by the sublance 5 is completed, the sublance 5 is raised to the original standby position and stopped. Next, the ball valve 21 and the knife gate valve 17 are closed by driving the air cylinders 20 and 16, respectively. When it is confirmed that the ball valve 21 and the knife gate valve 17 are fully closed, the inclined upper surface 23 of the seal mechanism receiver 22
After discharging the water enclosed in the hollow ring-shaped sealing material 24 provided in the seal mechanism 27 and releasing the seal between the seal mechanism 27 and the sublance insertion cylinder 10, the clutch door 33 is rotated and the upper side of the tooth shape is rotated.
33b and the tooth-shaped claw 34 provided on the outer peripheral surface of the pedestal 29 of the seal mechanism 27 are disengaged to free the seal mechanism 27 and the seal mechanism receiver 22. After that, the sub lance 5 is lifted from the standby position to a predetermined position.
以上の説明で判るように本発明のサブランス孔のシール
装置によれば、吹錬中の炉内圧力を降下させずに加圧の
状態でサブランスによる炉内温度の測定が可能となるの
で、吹錬中の降圧、昇圧の作業が無く、製鋼作業の能率
低下を来たすことが無く、しかも従来のシール手段に比
して使用するＮ2ガス量も少なくて済む等の効果があ
る。As can be seen from the above description, according to the sublance hole sealing device of the present invention, it is possible to measure the temperature in the furnace by the sublance in a pressurized state without lowering the pressure in the furnace during blowing. There is no pressure reduction or pressure increase work during smelting, there is no reduction in the efficiency of steel making work, and there is an effect that the amount of N 2 gas used is smaller than that of the conventional sealing means.
第１図は加圧型転炉排ガス処理装置の概略図、第２図は
その加圧型転炉排ガス処理装置に於ける本発明のサブラ
ンス孔のシール装置の一実施例を示す図である。 １…転炉 ２…加圧型転炉排ガス処理装置 ４…サブランス孔、５…サブランス 10…サブランス挿入筒、11…Ｎ2ガス噴出装置 17…水冷式の炉内輻射熱遮断弁（ナイフゲート弁） 21…水冷式のガスシール弁（ボール弁） 22…シール機構受け、23…傾斜した上面 24…可撓性の中空円環状シール材 27…シール機構、28…ストッパー 31…固定装置FIG. 1 is a schematic view of a pressurized converter exhaust gas treating apparatus, and FIG. 2 is a diagram showing an embodiment of a sub-lance hole sealing apparatus of the present invention in the pressurized converter exhaust gas treating apparatus. 1 ... converter 2 ... pressure type converter exhaust gas treatment apparatus 4 ... sub-lance hole, 5 ... sub-lance 10 ... sub-lance insertion tube, 11 ... N 2 gas injection device 17 ... water-cooled furnace radiant heat shut-off valve (knife gate valve) 21 … Water-cooled gas seal valve (ball valve) 22… Seal mechanism receiver, 23… Inclined upper surface 24… Flexible hollow annular seal material 27… Seal mechanism, 28… Stopper 31… Fixing device
───────────────────────────────────────────────────── フロントページの続き (72)発明者 北村 幸一 東京都江東区南砂２丁目４番25号 川崎重 工業株式会社東京設計事務所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koichi Kitamura 2-4-25 Minamisuna, Koto-ku, Tokyo Kawasaki Heavy Industries Ltd. Tokyo Design Office
Claims (1)
の上端に垂直に接続したサブランス挿入筒と、該サブラ
ンス挿入筒の下端部に設けたＮ2ガス噴出装置と、該Ｎ2
ガス噴出装置の上側に設けた水冷式の炉内輻射熱遮断弁
と、サブランス挿入筒の中間に設けた水冷式のガスシー
ル弁と、サブランス挿入筒の上端部外周に設けられ外方
に向って傾斜した上面に流体の流出入により断面径が変
化する可撓性の中空円環状シール材を備えたシール機構
受けと、サブランスの外周に固設したストッパーに支持
され且つサブランスの外周に嵌装され前記シール機構受
けに載せることによりサブランス挿入筒とサブランスと
の間をシールするラビリンスタイプのシール機構と、前
記シール機構受けの外周に回転可能に設けられシール機
構受けに載ったシール機構をロックする固定装置とより
成る加圧型転炉排ガス処理装置のサブランス孔のシール
装置。1. A sublance insertion cylinder vertically connected to the upper end of a sublance hole of a pressurized converter exhaust gas treatment device, an N 2 gas ejection device provided at the lower end of the sublance insertion cylinder, and the N 2
A water-cooled in-furnace radiant heat cutoff valve provided on the upper side of the gas ejection device, a water-cooled gas seal valve provided in the middle of the sublance insertion tube, and an outer circumference provided at the upper end of the sublance insertion tube A seal mechanism receiver provided with a flexible hollow annular seal material whose cross-sectional diameter changes on the upper surface by fluid flow in and out, and a support fixed to a stopper fixed to the outer circumference of the sublance and fitted to the outer circumference of the sublance. A labyrinth-type seal mechanism that seals between the sublance insertion cylinder and the sublance by placing the seal mechanism receiver on the seal mechanism receiver, and a fixing device that is rotatably provided around the seal mechanism receiver and locks the seal mechanism mounted on the seal mechanism receiver. And a sub-lance hole sealing device for a pressurized converter exhaust gas treatment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1281232A JPH0641614B2 (en) | 1989-10-27 | 1989-10-27 | Sealing device for the sub-lance hole of the pressurized converter exhaust gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1281232A JPH0641614B2 (en) | 1989-10-27 | 1989-10-27 | Sealing device for the sub-lance hole of the pressurized converter exhaust gas treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03140408A JPH03140408A (en) | 1991-06-14 |
| JPH0641614B2 true JPH0641614B2 (en) | 1994-06-01 |
Family
ID=17636207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1281232A Expired - Lifetime JPH0641614B2 (en) | 1989-10-27 | 1989-10-27 | Sealing device for the sub-lance hole of the pressurized converter exhaust gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0641614B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08200508A (en) * | 1995-01-25 | 1996-08-06 | Yonden Eng Kk | Connecting device of pump opening to pipe opening |
| JP4570257B2 (en) * | 2001-01-25 | 2010-10-27 | パナック工業株式会社 | Pressurized cleaning device |
| KR20020052085A (en) * | 2000-12-23 | 2002-07-02 | 이구택 | Sealing apparatus of sub-lance hole |
-
1989
- 1989-10-27 JP JP1281232A patent/JPH0641614B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03140408A (en) | 1991-06-14 |
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