JPH0471654A - Nozzle for blowing gas - Google Patents
Nozzle for blowing gasInfo
- Publication number
- JPH0471654A JPH0471654A JP18193190A JP18193190A JPH0471654A JP H0471654 A JPH0471654 A JP H0471654A JP 18193190 A JP18193190 A JP 18193190A JP 18193190 A JP18193190 A JP 18193190A JP H0471654 A JPH0471654 A JP H0471654A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- gas
- main body
- reinforcing material
- refractory
- 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.)
- Pending
Links
- 238000007664 blowing Methods 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 239000011819 refractory material Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000004570 mortar (masonry) Substances 0.000 abstract description 2
- 238000007670 refining Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000277269 Oncorhynchus masou Species 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 241000270506 Tupinambis Species 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野し
この発明は、転炉、電気炉、精錬用取鍋、樋、混銑車等
の底面あるいは側面に設けて、精錬用あるし）は溶湯撹
拌用のガスを金属溶湯内に吹き込むためのノズルの構造
に関する。[Detailed description of the invention] [In the industrial field of application, this invention is used for stirring molten metal by providing it on the bottom or side surface of a converter, electric furnace, smelting ladle, gutter, pig iron mixing car, etc. for smelting. This invention relates to the structure of a nozzle for blowing gas into molten metal.
口従来の技術〕
かかる用途に用いられるガス吹込み用ノズルは通常のガ
ス吹込みノズルに比較して多量で且つ高圧のガスを溶湯
内に安定して吹き込む必要がある。[Background Art] A gas blowing nozzle used for such a purpose needs to stably blow a large amount of high-pressure gas into the molten metal compared to a normal gas blowing nozzle.
そのだめのノズルとしては、構造上、ガスの圧力低下が
なく高圧で多量のガス導入が確保される必要がある。Due to its structure, the nozzle must be able to introduce a large amount of gas at high pressure without causing a drop in gas pressure.
従来、かかる機能を有するガス吹込みノズルの構造とし
て、耐火物からなるノズル本体内に径が均一な直線状の
細孔を配置した構造が特開昭５７２００５３３号公報に
開示されている。Conventionally, as a structure of a gas blowing nozzle having such a function, a structure in which linear pores of uniform diameter are arranged in a nozzle body made of a refractory material is disclosed in Japanese Patent Application Laid-Open No. 57200533.
また、特公昭６１−４６５２３号公報には耐火物からな
るノズル本体の底部に密封風箱を設け、且つノズル本体
に金属製小径短管を複数個埋設しこれらの短管を密封風
箱に固定した構造のものが開示されている。Furthermore, in Japanese Patent Publication No. 61-46523, a sealed air box is provided at the bottom of a nozzle body made of refractory material, and a plurality of small diameter metal short tubes are embedded in the nozzle body, and these short tubes are fixed to the sealed air box. A structure is disclosed.
？発明が解決しようとする課題〕
ところが、従来の吹込みノズルは耐火物本体がガス導入
の圧力に対する耐用性に問題があったり、また、耐火物
本体に埋設された金属製小径短管を風箱に固定するのに
手間を要し、また、充分な強度を維持てきないという問
題がある。? [Problems to be Solved by the Invention] However, with conventional blowing nozzles, the refractory body has problems with durability against the pressure of gas introduction. There is a problem in that it takes time and effort to fix it to the surface, and it does not maintain sufficient strength.
本発明において解決すべき課題は、前証底吹き転炉のよ
うに設置されるノズルが相当の高圧と多量のガスを吹き
込み、さらには、ノズル自体が相当の荷重を受ける部分
の使用に際して、充分な耐用を有し、しかも、比較的簡
単に製造できるガス吹込みノズルを完成することにある
。The problem to be solved by the present invention is that the nozzle installed in a bottom blowing converter blows a considerable amount of gas at a considerably high pressure, and furthermore, when the nozzle itself is used in a part that is subjected to a considerable load, The object of the present invention is to complete a gas blowing nozzle that has long service life and can be manufactured relatively easily.
本発明のガス吹込みノズルは、耐火物によって形成され
た通気性ノズル本体の側面を覆うと共に、前証本体下面
にガス供給管と連通ずるガス溜りを形成した補強体を設
けたことを特徴とする。The gas blowing nozzle of the present invention is characterized in that it covers the side surface of the breathable nozzle main body made of refractory material, and is provided with a reinforcing body forming a gas reservoir communicating with the gas supply pipe on the lower surface of the main body. do.
また、かかる構造は通気性ノズル本体にガス吹込み細管
を埋設した構造、さらには、ノズル本体の底面にガス溜
りを設けた構造のものに好適に使用できる。Further, such a structure can be suitably used for a structure in which a gas blowing capillary tube is embedded in the breathable nozzle body, or a structure in which a gas reservoir is provided in the bottom surface of the nozzle body.
この構造を有するガス吹込みノズルを適用するに際して
は、本体中に埋設した細管の下端を補強体とは別個に形
成したガス遮断部材によって固定し、ガス溜りをシール
した構造とすることもてきる。When applying a gas blowing nozzle with this structure, the lower end of the thin tube embedded in the main body may be fixed by a gas cutoff member formed separately from the reinforcing body, and the structure may be such that the gas reservoir is sealed. .
３作用〕
上計、補強体によって通気性ノズル本体の底面から側面
を覆うことによって、ノズル本体は相当の設備上の荷重
を受けた状態でも高圧で且つ多量のガスの吹込みに耐え
ることができる。3 Effects] By covering the bottom and side surfaces of the breathable nozzle body with the reinforcing body, the nozzle body can withstand the injection of a large amount of gas at high pressure even when subjected to considerable equipment loads. .
また、ガス吹込み細管を本体内に埋設した構造とする場
合にガス吹込み細管自体に支持強度を持たせる必要がな
く、その取付は構造を簡単にすることができる。Further, when the gas blowing tube is embedded in the main body, it is not necessary to provide the gas blowing tube itself with support strength, and the structure can be simplified in its installation.
本発明の実施例として、耐火物からなるノズル本体の内
部に複数本の金属製ガス導入管を埋設した構造を有する
ガス吹込みノズルに適用した例を示す。As an embodiment of the present invention, an example will be shown in which the present invention is applied to a gas blowing nozzle having a structure in which a plurality of metal gas introduction pipes are embedded inside a nozzle body made of a refractory material.
第１図において、１は／ｌ、○：１． Ｍ ｇ Ｏ，Ａ
β２０３Ｃ，Ｍｇ０−Ｃ，ＭｇＯ−Ｃｒ２０３．ＭｇＯ
−Ｃａ○Ｍｇ○−Ｃａ Ｏ−Ｃ，Ｍｇ Ｏ−Ｚ ｒ ０
２． Ｍｇ ＯＺ ｒ Ｓ ｉ ０４ 等のアルミナ系
、マク矛ンア系、ジルコニア系の耐火物から形成された
ノズル本体を示し、この本体中にステンレス製の金属か
らなる複数の細管２が埋設されている。３は本体１の底
面から側面を覆って形成された鉄板からなる補強材であ
って、ノズル本体１の側部の略半分の高さまで覆ったメ
タルケース状のものである。同補強材３の底面にはＡｒ
、Ｃｏ。、Ｎ２のような撹拌用ガス、あるいはａ２．Ｃ
Ｏのような精錬用の高圧ガス源に連通したガス導入口４
が設けられている。５マカス溜り６のシールを完全にす
るためのシールタイプのモルタルからなる遮断部材であ
って、補強材３の底面との間にガス溜り６が形成されて
いる。７は補強材３の底面のガス溜り６部の隅部に形成
されたノズル本体受は部材である。さらに、８は補強材
３の側部内面に形成された一体的に形成された突部てあ
って、内面全周あるいは部分的に形成されている。この
突部８はノズル本体１の耐火物と係止して、ノズル作動
時の外力に耐える機能を発揮する。In FIG. 1, 1 is /l, ○: 1. M g O,A
β203C, Mg0-C, MgO-Cr203. MgO
-Ca○Mg○-Ca O-C, Mg O-Z r 0
2. A nozzle body is shown made of an alumina-based, alumina-based, or a zirconia-based refractory material such as Mg OZ r S i 04 , and a plurality of thin tubes 2 made of stainless steel metal are embedded in this main body. Reference numeral 3 denotes a reinforcing material made of an iron plate formed to cover the bottom and side surfaces of the nozzle main body 1, and is shaped like a metal case and covers approximately half the height of the sides of the nozzle main body 1. The bottom of the reinforcing material 3 has Ar
, Co. , a stirring gas such as N2, or a2. C
Gas inlet 4 communicating with a high pressure gas source for refining such as O
is provided. 5 This is a blocking member made of seal type mortar to completely seal the gas reservoir 6, and the gas reservoir 6 is formed between it and the bottom surface of the reinforcing material 3. Reference numeral 7 designates a nozzle body support member formed at the corner of the gas reservoir 6 on the bottom surface of the reinforcing member 3. Further, reference numeral 8 denotes an integrally formed protrusion formed on the inner surface of the side portion of the reinforcing member 3, and is formed around the entire inner surface or partially. This protrusion 8 engages with the refractory material of the nozzle body 1 and exhibits a function of withstanding external force during nozzle operation.
前記、第１図に示すこのノズル本体受は部材７は必ずし
も補強材３と別体に形成する必要はなく補強材３との一
体構造とすることができる。第２図はこの補強材３と一
体構造にしたノズル本体受は部材７１として示す図であ
る。In the nozzle body support shown in FIG. 1, the member 7 does not necessarily have to be formed separately from the reinforcing material 3, but can be formed integrally with the reinforcing material 3. FIG. 2 shows the nozzle main body receiver integrally constructed with the reinforcing member 3 as a member 71.
〔発明の効果二 本発明によって以下の効果を奏することができる。[Effect of the invention 2 The following effects can be achieved by the present invention.
（１） ノズル本体が補強材によって外面から保護強
化されていて、苛酷な操業状態にも耐えることができる
。(1) The nozzle body is protected from the outside by reinforcing materials and can withstand harsh operating conditions.
（２） ガス導入用細管の取付けが簡単で製作に手間
を要しない。(2) The gas introduction thin tube is easy to install and does not require much time to manufacture.
第１図および第２図は本発明の実施例を示す断面図であ
る。
１：ノズル本体 ２：金属細管
３：補強材 ４；ガス導入口
５：遮断部材 ６：ガス溜り
７．７１：ノズル本体受は部材
８：補強材突部
特許出願人 黒崎窯業株式会社
代 理 人 弁理士 手掘 益
第
図FIGS. 1 and 2 are cross-sectional views showing embodiments of the present invention. 1: Nozzle body 2: Metal thin tube 3: Reinforcing material 4; Gas inlet 5: Blocking member 6: Gas reservoir 7. 71: Nozzle body holder is member 8: Reinforcing material protrusion Patent applicant Representative of Kurosaki Ceramics Co., Ltd. Patent Attorney Masu Tegu
Claims (1)
を覆うと共に、前記本体下面にガス供給管と連通するガ
ス溜りを形成した補強体を設けてなるガス吹込み用ノズ
ル。 ２、請求項１の記載において、補強体が本体の側面に係
止されてなるガス吹込み用ノズル。 ３、請求項１または請求項２の記載において、耐火物に
よって形成された通気性ノズル本体にガス吹込み細管を
埋設してなるガス吹込み用ノズル。 ４、請求項１、２または３の記載において、耐火物によ
って形成された通気性ノズル本体にガス吹込み細管を埋
設するとともに、同ガス吹込み細管の下端を補強体とは
別個に形成したガス遮断部材によって固定し、ガス溜り
をシールしてなるガス吹込み用ノズル。[Scope of Claims] 1. A gas blowing nozzle comprising a reinforcing body that covers the side surface of a breathable nozzle body made of a refractory material and that forms a gas reservoir communicating with a gas supply pipe on the bottom surface of the body. . 2. The gas blowing nozzle according to claim 1, wherein the reinforcing body is secured to the side surface of the main body. 3. A gas blowing nozzle according to claim 1 or 2, wherein a gas blowing thin tube is embedded in an air-permeable nozzle body made of a refractory material. 4. In the statement of claim 1, 2 or 3, a gas blowing thin tube is embedded in the breathable nozzle body formed of a refractory material, and the lower end of the gas blowing thin tube is formed separately from the reinforcing body. A gas blowing nozzle that is fixed with a blocking member and seals the gas pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18193190A JPH0471654A (en) | 1990-07-09 | 1990-07-09 | Nozzle for blowing gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18193190A JPH0471654A (en) | 1990-07-09 | 1990-07-09 | Nozzle for blowing gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0471654A true JPH0471654A (en) | 1992-03-06 |
Family
ID=16109401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18193190A Pending JPH0471654A (en) | 1990-07-09 | 1990-07-09 | Nozzle for blowing gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0471654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006143328A (en) * | 2004-11-19 | 2006-06-08 | Alusud Argentina Srl | Spout used for bottle containing liquid material having various viscosities |
-
1990
- 1990-07-09 JP JP18193190A patent/JPH0471654A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006143328A (en) * | 2004-11-19 | 2006-06-08 | Alusud Argentina Srl | Spout used for bottle containing liquid material having various viscosities |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0138105B1 (en) | Gas distributor | |
| KR20130065648A (en) | Apparatus and method for gas tight secondary stave support | |
| WO1985005056A1 (en) | Stopper for use in molten metal handling | |
| KR100304540B1 (en) | Nozzle assembly with inert gas distributor | |
| MY121840A (en) | Stopper rod | |
| CN211708097U (en) | Double argon blowing long nozzle | |
| WO2000029774A8 (en) | Swivel seal construction | |
| US8097206B2 (en) | Lance duct for vacuum treatment systems | |
| JPS5896808A (en) | Element for introducing gas into molten metal bath | |
| JPS626115Y2 (en) | ||
| KR100292470B1 (en) | Pressure Refining Furnace System | |
| ITMI960616A1 (en) | CONNECTION CHANNEL FOR DEGASSIFICATION CRUCIBLE | |
| CN116640897B (en) | A repair device and method for an air-blown steel tapping nozzle | |
| CN110172542A (en) | A kind of bottom guns of converter structure | |
| CN217479490U (en) | Long-life composite air supply brick | |
| JPS58167707A (en) | Method of smelting high-carbon steel by top and bottom-blown converter | |
| CN218310837U (en) | A new type of combined air-permeable brick | |
| JP2017197818A (en) | Gas blowing plug | |
| JPH0120051Y2 (en) | ||
| JPH053873Y2 (en) | ||
| JP2860470B2 (en) | Water leakage prevention structure at sewer main connection | |
| JPS626121Y2 (en) | ||
| JP2000160216A (en) | Lance for blowing powder into blast furnace | |
| JP2009174026A (en) | Connection structure between circulating-flow tube and immersion tube at bottom part of vacuum-degassing tank | |
| JPH0694370A (en) | Sealing structure of end of driving roller for continuous furnace |