JP2831023B2 - Nozzle for discharging molten metal - Google Patents
Nozzle for discharging molten metalInfo
- Publication number
- JP2831023B2 JP2831023B2 JP6216189A JP6216189A JP2831023B2 JP 2831023 B2 JP2831023 B2 JP 2831023B2 JP 6216189 A JP6216189 A JP 6216189A JP 6216189 A JP6216189 A JP 6216189A JP 2831023 B2 JP2831023 B2 JP 2831023B2
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- molten metal
- steel
- nozzle body
- groove
- 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
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は溶融金属排出用ノズルに関し、特に鉄皮とノ
ズル本体との固定に環状のリング又は棒状部材を用いた
溶融金属排出用ノズルに係る。Description: FIELD OF THE INVENTION The present invention relates to a nozzle for discharging molten metal, and more particularly to a nozzle for discharging molten metal using an annular ring or rod-like member for fixing a steel shell to a nozzle body. .
［従来の技術］ 周知の如く、溶融金属排出用ノズルにおいては、その
フランジ部近傍の外表面を鉄皮で被覆している。この目
的は、主として以下に述べる理由による。[Prior Art] As is well known, in a nozzle for discharging molten metal, an outer surface in the vicinity of a flange portion is covered with an iron shell. This purpose is mainly for the following reasons.
溶融金属排出用ノズルの支持，固定部の機械的強度を
強化するため。To enhance the mechanical strength of the supporting and fixing parts of the nozzle for discharging molten metal.
Arガス吸込みのガス溜とガスシールを向上するため。To improve the gas reservoir and gas seal for Ar gas suction.
ガス吸込み用のポーラスれんがとノズル本体との接
続，固定化のため。For connecting and fixing the porous brick for gas suction and the nozzle body.
支持，固定部の酸化を防止するため。To prevent oxidation of the supporting and fixing parts.
ところで、上記鉄皮は、ノズル本体の表面にコート材及
びモルタルを塗布した後、押し込むことにより被覆を完
了する。By the way, the coating is completed by applying the coating material and the mortar on the surface of the nozzle body and then pushing it in.
［発明が解決しようとする課題］ しかしながら、従来の溶融金属排出用ノズルによれ
ば、溶鋼鋳込み中に鉄皮が熱で膨張して緩み、この緩み
によって鉄皮がホルダー固定位置の荷重で上方にズレ移
動を起こす。従って、鉄皮，ホルダーとノズル本体の整
合面が変わり、荷重，熱歪などによる応力が局部的に集
中して折損を起こす。また、鉄皮の緩み，ズレによって
シール性が悪くなり、ガス漏れ，漏鋼が起こる。[Problems to be Solved by the Invention] However, according to the conventional nozzle for discharging molten metal, the steel shell expands due to heat during casting of molten steel and becomes loose, and the loosening causes the steel shell to move upward due to the load at the holder fixing position. Causes displacement. Therefore, the alignment surface between the iron shell, the holder and the nozzle body changes, and stress due to load, thermal strain, and the like is locally concentrated to cause breakage. In addition, looseness or misalignment of the steel shell deteriorates the sealing performance, resulting in gas leakage and steel leakage.
本発明は上記事情に鑑みてなされたもので、鉄皮がノ
ズル本体からずれるのを防止して、局部的な折損や、ガ
ズ漏れ、漏鋼を回避して得る溶融金属排出用ノズルを提
供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a molten metal discharging nozzle that prevents iron skin from being displaced from a nozzle main body and avoids local breakage, gas leakage, and steel leakage. The purpose is to:
［課題を解決するための手段］ 本発明は、ノズル本体と、このノズル本体の外周面に
被覆された鉄皮とを具備した溶融金属排出用ノズルにお
いて、ノズル本体の外周面に環状の溝又は複数個の凹部
を設けるとともに、前記溝または凹部に対応する鉄皮に
開口部を設け、かつ前記溝または凹部に鉄皮固定用のス
トッパを差し込んで、前記開口部で溶接により前記スト
ッパを鉄皮に固定したことを特徴とする溶融金属排出用
ノズルである。[Means for Solving the Problems] The present invention relates to a nozzle for discharging molten metal comprising a nozzle main body and an iron shell coated on the outer peripheral surface of the nozzle main body. A plurality of recesses are provided, an opening is provided in the steel corresponding to the groove or the recess, and a stopper for fixing the steel is inserted into the groove or the recess, and the stopper is welded to the steel at the opening. This is a nozzle for discharging molten metal, which is fixed to a nozzle.
本発明に係るストッパとしては、具体的には環状の溝
に埋め込まれるリング部材、あるいは複数の溝に埋め込
まれる複数個の棒状部材を示す。ここに、リング部材
は、例えば断面が円の長尺な部材の両端を鉄皮に適宜設
けた開口部を利用して鉄皮と溶接することにより固定す
る。一方、棒状部材は、ノズル本体の溝及び鉄皮の開口
部に棒状部材に装着することにより固定する。Specifically, the stopper according to the present invention is a ring member embedded in an annular groove or a plurality of rod-shaped members embedded in a plurality of grooves. Here, the ring member is fixed, for example, by welding both ends of a long member having a circular cross section to the iron shell using openings appropriately provided in the iron shell. On the other hand, the rod-shaped member is fixed to the groove of the nozzle body and the opening of the steel shell by being attached to the rod-shaped member.
［作用］ 本発明によれば、鉄皮がノズル本体からずれるのを防
止して、局部的な折損や、ガス漏れ、漏鋼を回避でき
る。[Function] According to the present invention, it is possible to prevent the steel shell from being displaced from the nozzle body, and to avoid local breakage, gas leakage, and steel leakage.
以下、本発明の実施例について説明する。 Hereinafter, examples of the present invention will be described.
［実施例１］ 第１図及び第２図を参照する。Example 1 Reference is made to FIGS. 1 and 2. FIG.
図中の１は、上部に段差部２を有し下部に筒状の耐熱
性部材３を有したノズル本体である。前記ノズル本体１
の段差部２には、インサートリング4,ポーラス層５が設
けられている。また、前記ノズル本体１の上部の外周面
には、環状の溝６が設けられている。この溝６には、断
面が例えば円のリング部材（ストッパ）７が設けられて
いる。ここに、リング部材７は長尺な部材の両端部を溶
接により固定したものである。前記ノズル本体１の外周
面には、鉄皮８が被覆されている。前記リング部材７の
接合部に対応する前記鉄皮８には開口部９が設けられ、
この開口部９で鉄皮８とリング部材７が溶接により接続
されている。なお、図中の10はガス吸込み用ソケットで
ある。Reference numeral 1 in the figure denotes a nozzle body having a stepped portion 2 at an upper portion and a tubular heat-resistant member 3 at a lower portion. The nozzle body 1
The stepped portion 2 is provided with an insert ring 4 and a porous layer 5. An annular groove 6 is provided on the outer peripheral surface of the upper part of the nozzle body 1. The groove 6 is provided with a ring member (stopper) 7 having a circular cross section, for example. Here, the ring member 7 is formed by fixing both ends of a long member by welding. The outer peripheral surface of the nozzle body 1 is covered with an iron shell 8. An opening 9 is provided in the steel shell 8 corresponding to the joint of the ring member 7,
At the opening 9, the steel shell 8 and the ring member 7 are connected by welding. Reference numeral 10 in the drawing denotes a gas suction socket.
上記ノズルにおいて、リング部材７は次のようにして
装着する。まず、ノズル本体１の外表面に環状の溝６を
つける。次に、この溝６に断面が円の長尺な部材を、こ
の部材の両端が鉄皮８の開口部９に位置するように環状
部に埋め込む。前記開口部９から露出する長尺な部材の
両端部と鉄皮８とを、溶接により接合しリング部材７と
鉄皮８の接合を完了する。In the above nozzle, the ring member 7 is mounted as follows. First, an annular groove 6 is formed on the outer surface of the nozzle body 1. Next, a long member having a circular cross section is embedded in the groove 6 so that both ends of the member are located in the openings 9 of the steel shell 8. Both ends of the long member exposed from the opening 9 are joined to the steel shell 8 by welding to complete the joining of the ring member 7 and the steel shell 8.
しかして、実施例１に係る溶融金属排出用ノズルによ
れば、ノズル本体１の所定の外周面に環状の溝６が設け
られ、この溝６にリング部材７を埋め込み、このリング
部材７の接合部を鉄皮８の開口部９の箇所で溶接により
接合した構成となっているため、鉄皮８が熱で膨張し緩
んでもズレが発生することを防止出来る。従って、局部
的な折損や、ガス漏れ、漏鋼を回避できる。According to the nozzle for discharging molten metal according to the first embodiment, the annular groove 6 is provided on the predetermined outer peripheral surface of the nozzle body 1, and the ring member 7 is embedded in the groove 6, and the ring member 7 is joined. Since the portions are joined by welding at the openings 9 of the iron shell 8, even if the iron shell 8 expands due to heat and becomes loose, it is possible to prevent a shift from occurring. Therefore, local breakage, gas leakage, and steel leakage can be avoided.
［実施例２］ 第３図，第４図及び第５図を参照する。但し、実施例
１と同部材は同符号を付して説明を省略する。Embodiment 2 Reference is made to FIGS. 3, 4 and 5. FIG. However, the same members as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
図中の11a,11b,11c,11dは、夫々ノズル本体１の上部
の外周面に設けられた溝である。これらの溝に対応した
鉄皮８には、夫々開口部12a,12b,12c,12dが夫々設けら
れている。前記開口部及び溝には、例えば直径が9mmの
丸棒（ストッパ）13が装着されている。11a, 11b, 11c and 11d in the figure are grooves provided on the outer peripheral surface of the upper part of the nozzle body 1, respectively. Openings 12a, 12b, 12c, and 12d are provided in the steel shell 8 corresponding to these grooves, respectively. A round bar (stopper) 13 having a diameter of, for example, 9 mm is attached to the opening and the groove.
上記ノズルにおいて、丸棒13は例えば次のようにして
装着する。まず、ノズル本体１に鉄皮８をセットする。
次に、鉄皮８及びノズル本体１にたとえば４ケ所ドリル
で穴を開ける。これにより、鉄皮８には開口部12a,12b,
12c,12dが夫々形成され、かつノズル本体１には溝11a,1
1b,11c,11dが形成される。次いで、丸棒13を鉄皮８開口
部及びノズル本体１の溝に装着する。In the above nozzle, the round bar 13 is mounted, for example, as follows. First, an iron shell 8 is set on the nozzle body 1.
Next, holes are made in the steel shell 8 and the nozzle body 1 by, for example, four drills. Thereby, the openings 12a, 12b,
12c and 12d are formed respectively, and the nozzle body 1 has grooves 11a and 1d.
1b, 11c and 11d are formed. Next, the round bar 13 is attached to the opening of the steel shell 8 and the groove of the nozzle body 1.
実施例２においても、実施例１と同様な効果がえられ
る。なお、実施例２においては、丸棒を４ケ所に設けた
が、これに限らず、１〜３ケ所としてもよい。また、実
施例２では、鉄皮とノズル本体に同時に穴を設ける場合
について述べたが、これに限らず、ノズル本体に穴
（溝）を設けた後鉄皮に穴（開口部）を設けてもよい。In the second embodiment, the same effect as in the first embodiment can be obtained. In the second embodiment, four round bars are provided. However, the number of the round bars is not limited to four, but may be one to three. Further, in the second embodiment, the case where the hole is provided in the steel shell and the nozzle body at the same time is described. However, the present invention is not limited to this, and the hole (opening) is provided in the steel body after the hole (groove) is provided in the nozzle body. Is also good.
［発明の効果］ 以上詳述した如く本発明によれば、鉄皮がノズル本体
からずれるのを防止して、局部的な折損や、ガス漏れ、
漏鋼を回避し得る溶融金属排出用ノズルを提供できる。[Effects of the Invention] As described above in detail, according to the present invention, it is possible to prevent the steel shell from being displaced from the nozzle main body, and to locally break, gas leakage,
It is possible to provide a molten metal discharging nozzle capable of avoiding steel leakage.
第１図は本発明の実施例１に係る溶融金属排出用ノズル
の断面図、第２図は第１図のＡ部の部分拡大図、第３図
は本発明の実施例２に係る溶融金属排出用ノズルの断面
図、第４図は第３図のＸ−Ｘ線に沿う拡大断面図、第５
図は第４図の部分拡大図である。 １……ノズル本体、６……環状の溝、７……リング部
材、８……鉄皮。1 is a sectional view of a nozzle for discharging molten metal according to Embodiment 1 of the present invention, FIG. 2 is a partially enlarged view of a portion A in FIG. 1, and FIG. 3 is molten metal according to Embodiment 2 of the present invention. FIG. 4 is an enlarged sectional view taken along line XX of FIG. 3, and FIG.
The figure is a partially enlarged view of FIG. 1 ... nozzle body, 6 ... annular groove, 7 ... ring member, 8 ... steel shell.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 川村 俊夫 愛知県刈谷市小垣江町南藤１番地 東芝 セラミックス株式会社内 (56)参考文献 特開 昭51−22627（ＪＰ，Ａ) 特開 昭60−68143（ＪＰ，Ａ) 特公 昭56−20957（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.6，ＤＢ名) B22D 41/56 B22D 41/58 B22D 11/10 330 B22D 11/10 360────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshio Kawamura 1 Minami Fuji, Ogakie-cho, Kariya-shi, Aichi Prefecture Toshiba Ceramics Co., Ltd. (JP, A) JP 56-20957 (JP, B2) (58) Fields investigated (Int. Cl. 6 , DB name) B22D 41/56 B22D 41/58 B22D 11/10 330 B22D 11/10 360
Claims (1)
被覆された鉄皮とを具備した溶融金属排出用ノズルにお
いて、ノズル本体の外周面に環状の溝又は複数個の凹部
を設けるとともに、前記溝または凹部に対応する鉄皮に
開口部を設け、かつ前記溝または凹部に鉄皮固定用のス
トッパを差し込んで、前記開口部で溶接により前記スト
ッパを鉄皮に固定したことを特徴とする溶融金属排出用
ノズル。1. A molten metal discharging nozzle comprising a nozzle body and an iron shell coated on an outer peripheral surface of the nozzle body, wherein an annular groove or a plurality of concave portions is provided on an outer peripheral surface of the nozzle body. An opening is provided in the steel corresponding to the groove or the recess, and a stopper for fixing the steel is inserted into the groove or the recess, and the stopper is fixed to the steel by welding at the opening. Nozzle for discharging molten metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6216189A JP2831023B2 (en) | 1989-03-16 | 1989-03-16 | Nozzle for discharging molten metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6216189A JP2831023B2 (en) | 1989-03-16 | 1989-03-16 | Nozzle for discharging molten metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02241667A JPH02241667A (en) | 1990-09-26 |
| JP2831023B2 true JP2831023B2 (en) | 1998-12-02 |
Family
ID=13192117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6216189A Expired - Fee Related JP2831023B2 (en) | 1989-03-16 | 1989-03-16 | Nozzle for discharging molten metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2831023B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2604367Y2 (en) * | 1992-06-18 | 2000-05-08 | 品川白煉瓦株式会社 | Refractory block for continuous casting |
| US5723055A (en) * | 1995-10-10 | 1998-03-03 | Vesuvius Crucible Company | Nozzle assembly having inert gas distributor |
| KR20020051255A (en) * | 2000-12-22 | 2002-06-28 | 이구택 | method of preventing clogging of non-metallic inclusion utilizing lib in tundish |
| CN112893828A (en) * | 2019-11-19 | 2021-06-04 | 上海梅山钢铁股份有限公司 | Gas sealing method for continuous casting ladle long nozzle suspension mode |
| JP2024034688A (en) * | 2022-09-01 | 2024-03-13 | 黒崎播磨株式会社 | immersion nozzle |
-
1989
- 1989-03-16 JP JP6216189A patent/JP2831023B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02241667A (en) | 1990-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2831023B2 (en) | Nozzle for discharging molten metal | |
| JPS62178469A (en) | Steering wheel core | |
| JP3402224B2 (en) | Exhaust pipe for internal combustion engine and its partition plate welding method | |
| JP3595479B2 (en) | Supports for fire-resistant structures for water pipe protection | |
| JP2612427B2 (en) | Welded structure of plate and pipe of exhaust manifold and method of manufacturing exhaust manifold | |
| JPH026056A (en) | Metallic bottomed container and welding method thereto | |
| JPH0444718Y2 (en) | ||
| JP3014416B2 (en) | Steel joint | |
| JPS62202154A (en) | Beam piercing sleeve | |
| JPH0463941B2 (en) | ||
| JP3490409B2 (en) | Stud with large diameter head | |
| JPH04274864A (en) | Gas blow-in nozzle | |
| JP2517572Y2 (en) | Cable manufacturing equipment | |
| JPH039888Y2 (en) | ||
| JP2001355314A (en) | Connecting method for reinforcing bar | |
| JP2552225Y2 (en) | Backing metal for horizontal stud welding | |
| JPH0735855B2 (en) | Reinforcement structure of thin large-diameter cylinder | |
| JPS632743U (en) | ||
| JP3289046B2 (en) | Ceramic pieces for welding | |
| JPH0245544Y2 (en) | ||
| JPS63156292U (en) | ||
| JPH026289Y2 (en) | ||
| JPH0424391Y2 (en) | ||
| JPH02428Y2 (en) | ||
| JP2002303012A (en) | Method for joining steel plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080925 Year of fee payment: 10 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 10 Free format text: PAYMENT UNTIL: 20080925 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| LAPS | Cancellation because of no payment of annual fees |