JPH02241667A - Exhaust nozzle for molten metal - Google Patents
Exhaust nozzle for molten metalInfo
- Publication number
- JPH02241667A JPH02241667A JP6216189A JP6216189A JPH02241667A JP H02241667 A JPH02241667 A JP H02241667A JP 6216189 A JP6216189 A JP 6216189A JP 6216189 A JP6216189 A JP 6216189A JP H02241667 A JPH02241667 A JP H02241667A
- Authority
- JP
- Japan
- Prior art keywords
- shell
- groove
- nozzle body
- molten metal
- opening part
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims description 14
- 229910052751 metal Inorganic materials 0.000 title claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 39
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Landscapes
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
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
融金属導出用ノズルに係る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a nozzle for discharging molten metal, and particularly to a nozzle for discharging molten metal that uses an annular ring or a rod-shaped member to fix the iron shell and the nozzle body. .
［従来の技術］
周知の如く、溶融金ｇＩ４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 gold gI4, the outer surface near the flange portion thereof is covered with an iron skin. This purpose is mainly due to the following reasons.
■溶融金属導出用ノズルの支持、固定部の機械的強度を
強化するため。■To strengthen the mechanical strength of the support and fixing part of the molten metal extraction nozzle.
■Ａｒガス吹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 injection.
■ガス吹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 connection and fixation between porous bricks for gas injection and the nozzle body.
■支持、固定部の酸化を防止するため。■To prevent oxidation of supporting and fixed 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 above-mentioned iron skin is coated by applying a coating material and mortar to 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。[Problems to be solved by the invention] However, according to the conventional molten metal discharge nozzle,
During pouring of molten steel, the iron skin expands and loosens due to heat, and this loosening causes the iron skin to shift upward under the load of the holder fixing position.
ホルダーとノズル本体の整合面が変わり、荷重。The alignment surface between the holder and the nozzle body changes and the load increases.
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、ｍ鋼が起こる。Stress due to thermal strain etc. concentrates locally and causes breakage.
In addition, the sealing performance deteriorates due to loosening or misalignment of the iron skin.
Gas leakage occurs.
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、ガス
漏れ、漏鋼を回避し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。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a molten metal discharge nozzle that can prevent the steel shell from shifting from the nozzle body and avoid local breakage, gas leakage, and steel leakage. With the goal.
［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溝を設
けるとともに、前記溝に対応する鉄皮に開口部を設け、
かつ前記溝に鉄皮固定用のストッパを前記開口部を利用
して設け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 provides a molten metal discharge nozzle that includes a nozzle body and an iron skin covering the outer circumferential surface of the nozzle body. A plurality of grooves are provided, and openings are provided in the steel shell corresponding to the grooves,
The molten metal discharge nozzle is further characterized in that a stopper for fixing the steel shell is provided in the groove using the opening.
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５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。Specifically, the stopper according to the present invention is a ring member 5 embedded in an annular groove or a plurality of rod-shaped members embedded in a plurality of grooves. Here, the ring member is:
For example, both ends of a long member having a circular cross section are fixed by welding to the steel shell using openings appropriately provided in the steel shell.
一方、棒状部材は、ノズル本体の溝及び鉄皮の開口部に
棒状部材を装着することにより固定する。On the other hand, the rod-shaped member is fixed by attaching it to the groove of the nozzle body and the opening of the iron shell.
［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、漏鋼な回避できる。[Function] According to the present invention, it is possible to prevent the steel shell from shifting from the nozzle body, thereby avoiding local breakage, gas leakage, and steel leakage.
以下、本発明の実施例について説明する。Examples of the present invention will be described below.
［実施例１］ 第１図及び第２図を参照する。[Example 1] Please refer to FIGS. 1 and 2.
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ｌ
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。Reference numeral 1 in the figure is a nozzle body having a stepped portion 2 at the top and a cylindrical heat-resistant member 3 at the bottom. The nozzle body l
An insert ring 4 and a porous layer 5 are provided in the stepped portion 2 . Further, an annular groove 6 is provided on the outer peripheral surface of the upper part of the nozzle body 1. In this groove 6,
A ring member (stopper) 7 having a circular cross section, for example, is provided.
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ｌ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には関口部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ＩＯはガス吹込み用ソケットである
。Here, the ring member 7 is a long member whose both ends are fixed by welding. The outer peripheral surface of the nozzle body 1 is covered with an iron skin 8. The steel skin 8 corresponding to the joint portion of the ring member 7 is provided with a sealing opening 9, and the steel skin 8 and the ring member 7 are connected by welding at this opening 9. Note that IO in the figure is a gas injection 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ｌの外表面に環状の溝６をつ
ける０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 attached as follows. First, an annular groove 6 is formed on the outer surface of the nozzle body l.Next, a long member with a circular cross section is placed in this groove 6 so that both ends of this member are located in the opening 9 of the iron skin 8. Both ends of the elongated member exposed from the opening 9 and the iron skin 8 which are embedded in a ring shape are joined by welding to complete the joining of the ring member 7 and the iron skin 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ｌ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 molten metal discharge nozzle according to the first embodiment, an annular groove 6 is provided on a predetermined outer peripheral surface of the nozzle body l, a ring member 7 is embedded in this groove 6, and the ring member 7 is joined. Since the parts are joined by welding at the opening 9 of the steel shell 8, it is possible to prevent misalignment even if the steel shell 8 expands and loosens due to heat. 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
と同部材は同符合を付して説明を省略する。[Example 2] Refer to FIGS. 3, 4, and 5. However, Example 1
The same members will be given the same reference numerals and the explanation will be omitted.
図中のｌｌａ 、 ｌｌｂ 、 ｌｌｃ 、 ｌｌｄ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１２
ａ 、 １２ｂ 、 １２ｃ 、 ｌＺｄ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。In the figure, lla, llb, llc, and lld are grooves provided on the outer peripheral surface of the upper part of the nozzle body 1, respectively. The iron skin 8 corresponding to these grooves has openings 12, respectively.
a, 12b, 12c, and lZd are provided, respectively. The opening and the groove have a diameter of, for example, 9 mm.
A round bar (stopper) 13 is attached.
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ｌに鉄皮８をセットする１
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ｌには溝１１ａ 、 ｌｌｂ 。In the above nozzle, the round rod 13 is attached, for example, as follows. First, set the iron skin 8 on the nozzle body 1
Next, holes are drilled at, for example, four locations in the steel shell 8 and the nozzle body 1. As a result, the iron skin 8 has an opening 12a,
12b, 12c, and 12d are formed, respectively, and grooves 11a and llb are formed in the nozzle body l.
１１ｃ 、 ｌｉｄが形成される０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。11c. After the lid is formed, the round rod 13 is attached to the opening of the iron skin 8 and the groove of the nozzle body 1.
実施例２においても、実施例１と同様な効果かえられる
。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 effects as in the first embodiment can be obtained. In addition, in Example 2, the round bars were provided at four locations, but the round bars are not limited to this, and may be provided at one to three locations.In addition, in Example 2, holes are provided in the iron shell and the nozzle body at the same time. As mentioned above, the hole (groove) in the nozzle body is not limited to this.
A hole (opening) may be provided in the iron skin after the opening is provided.
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。As described in detail above, according to the present invention, it is possible to provide a molten metal discharge nozzle that can prevent the steel shell from shifting from the nozzle body and avoid local breakage, gas leakage, and 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。
出願人代理人 弁理士 鈴江武彦
第
図FIG. 1 is a sectional view of a molten metal discharge nozzle according to Embodiment 1 of the present invention, FIG. 2 is a partially enlarged view of part A in FIG. 1, and FIG. 3 is a molten metal according to Embodiment 2 of the present invention. A cross-sectional view of the discharge nozzle, FIG. 4 is an enlarged cross-sectional view taken along the line x-X of FIG. 3, and FIG.
The figure is a partially enlarged view of FIG. 4. 1- Nozzle body, 6- Annular groove, 7- Ring member, 8-
Iron skin. Applicant's agent Patent attorney Takehiko Suzue
Claims (1)
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溝を設けるととも
に、前記溝に対応する鉄皮に開口部を設け、かつ前記溝
に鉄皮固定用のストッパを前記開口部を利用して設けた
ことを特徴とする溶融金属排出用ノズル。In a molten metal discharge nozzle comprising a nozzle body and an iron skin coated on the outer circumferential surface of the nozzle body, an annular groove or a plurality of grooves are provided on the outer circumferential surface of the nozzle body, and a groove corresponding to the groove is provided. 1. A nozzle for discharging molten metal, characterized in that an opening is provided in the steel shell, and a stopper for fixing the steel shell is provided in the groove using the opening.
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 true JPH02241667A (en) | 1990-09-26 |
| JP2831023B2 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06553U (en) * | 1992-06-18 | 1994-01-11 | 品川白煉瓦株式会社 | Refractory block for continuous casting |
| WO1997013599A1 (en) * | 1995-10-10 | 1997-04-17 | 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 |
| WO2024048381A1 (en) * | 2022-09-01 | 2024-03-07 | 黒崎播磨株式会社 | Immersion nozzle |
-
1989
- 1989-03-16 JP JP6216189A patent/JP2831023B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06553U (en) * | 1992-06-18 | 1994-01-11 | 品川白煉瓦株式会社 | Refractory block for continuous casting |
| WO1997013599A1 (en) * | 1995-10-10 | 1997-04-17 | Vesuvius Crucible Company | Nozzle assembly having inert gas distributor |
| 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 |
| WO2024048381A1 (en) * | 2022-09-01 | 2024-03-07 | 黒崎播磨株式会社 | Immersion nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2831023B2 (en) | 1998-12-02 |
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