JPH02108548U - - Google Patents
Info
- Publication number
- JPH02108548U JPH02108548U JP1480689U JP1480689U JPH02108548U JP H02108548 U JPH02108548 U JP H02108548U JP 1480689 U JP1480689 U JP 1480689U JP 1480689 U JP1480689 U JP 1480689U JP H02108548 U JPH02108548 U JP H02108548U
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- sio2
- immersion nozzle
- zro2
- aln
- 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
- 239000000919 ceramic Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 4
- 229910052681 coesite Inorganic materials 0.000 claims 4
- 229910052906 cristobalite Inorganic materials 0.000 claims 4
- 238000007654 immersion Methods 0.000 claims 4
- 239000000377 silicon dioxide Substances 0.000 claims 4
- 235000012239 silicon dioxide Nutrition 0.000 claims 4
- 229910052682 stishovite Inorganic materials 0.000 claims 4
- 229910052905 tridymite Inorganic materials 0.000 claims 4
- 229910017083 AlN Inorganic materials 0.000 claims 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims 2
- 229910052580 B4C Inorganic materials 0.000 claims 2
- 229910033181 TiB2 Inorganic materials 0.000 claims 2
- 229910007948 ZrB2 Inorganic materials 0.000 claims 2
- 229910008322 ZrN Inorganic materials 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 2
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 claims 2
- 229910052593 corundum Inorganic materials 0.000 claims 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 2
- SGZIYCCHNHOYKN-UHFFFAOYSA-N 2-benzo[e][1]benzothiol-1-ylacetic acid Chemical compound C1=CC=CC2=C3C(CC(=O)O)=CSC3=CC=C21 SGZIYCCHNHOYKN-UHFFFAOYSA-N 0.000 claims 1
- -1 S iC Inorganic materials 0.000 claims 1
- 229910052581 Si3N4 Inorganic materials 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 claims 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims 1
- 150000001342 alkaline earth metals Chemical class 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- 229910003465 moissanite Inorganic materials 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Ceramic Products (AREA)
Description
第１図は本考案の縦断面の構造を説明した模式
図である。
１……ノズル本体、２……ＢＮ系セラミツクの
層、３……溶剛流出穴。
FIG. 1 is a schematic diagram illustrating the structure of the present invention in longitudinal section. 1... Nozzle body, 2... BN ceramic layer, 3... Molten outflow hole.
Claims (1)
結体から成る層が内張りされた構造であつて、該
本体とＢＮ系セラミツクの層は、一体的に成形、
焼成されたものであることを特徴とする鋼連鋳用
イマージヨン・ノズル。 上記ＢＮ系セラミツクは、２５％以上のＢＮ
と（ＳｉＯ２、Ａｌ２Ｏ３、ＡｌＮ、Ｂ４Ｃ、Ｓ
ｉＣ、希土類元素の酸化物、ＴｉＢ２、ＺｒＢ２
、ＺｒＮ、ＺｒＯ２、ＺｒＯ２・ＳｉＯ２、Ｓｉ
３Ｎ４、ＴｉＯ２、アルカリ土類金属の酸化物）
の群の中から選ばれた一種あるいは二種以上のセ
ラミツク成分を基本成分としてなることを特徴と
する請求項に記載のイマージヨン・ノズル。 上記ＢＮ成分と、（ＳｉＯ２、Ａｌ２Ｏ３、
ＡｌＮ、Ｂ４Ｃ、ＳｉＣ、希土類元素の酸化物、
ＴｉＢ２、ＺｒＢ２、ＺｒＮ、ＺｒＯ２、ＺｒＯ
２・ＳｉＯ２、Ｓｉ３Ｎ４、ＴｉＯ２、アルカリ
土類金属の酸化物）の群の中から選ばれた一種あ
るいは二種以上のセラミツク成分の総和が、全体
の８０％以上であることを特徴とする請求項に
記載のイマージヨン・ノズル。 上記ＢＮ系セラミツクが、２５％以上のＢＮ
と、３０〜７０％のＡｌＮを必須成分とすること
を特徴とする請求項に記載のイマージヨン・ノ
ズル。 上記ＢＮ系セラミツクが、４０％以上のＢＮ
と、３０〜７０％のＳｉＣを必須成分とすること
を特徴とする請求項に記載のイマージヨン・ノ
ズル。[Claims for Utility Model Registration] It has a structure in which the inner wall of the nozzle body is lined with a layer made of a sintered body of BN ceramic, and the body and the BN ceramic layer are integrally molded,
An immersion nozzle for continuous steel casting characterized by being fired. The above BN ceramic has a BN content of 25% or more.
and (SiO2, Al2O3, AlN, B4C, S
iC, rare earth element oxide, TiB2, ZrB2
, ZrN, ZrO2, ZrO2・SiO2, Si
3N4, TiO2, alkaline earth metal oxides)
The immersion nozzle according to claim 1, characterized in that the immersion nozzle comprises as a basic component one or more ceramic components selected from the group of. The above BN component and (SiO2, Al2O3,
AlN, B4C, SiC, rare earth element oxides,
TiB2, ZrB2, ZrN, ZrO2, ZrO
2. A claim characterized in that the sum total of one or more ceramic components selected from the group of (SiO2, Si3N4, TiO2, oxides of alkaline earth metals) is 80% or more of the total. Immersion nozzle as described in . The above BN-based ceramic contains 25% or more BN.
and 30 to 70% of AlN as essential components. The above BN ceramic has 40% or more BN.
and 30 to 70% of SiC as essential components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1480689U JPH02108548U (en) | 1989-02-10 | 1989-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1480689U JPH02108548U (en) | 1989-02-10 | 1989-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108548U true JPH02108548U (en) | 1990-08-29 |
Family
ID=31226327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1480689U Pending JPH02108548U (en) | 1989-02-10 | 1989-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108548U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56139260A (en) * | 1980-03-31 | 1981-10-30 | Shinagawa Refract Co Ltd | Nozzle for casting |
| JPS642468A (en) * | 1987-06-24 | 1989-01-06 | Konica Corp | Image forming device |
-
1989
- 1989-02-10 JP JP1480689U patent/JPH02108548U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56139260A (en) * | 1980-03-31 | 1981-10-30 | Shinagawa Refract Co Ltd | Nozzle for casting |
| JPS642468A (en) * | 1987-06-24 | 1989-01-06 | Konica Corp | Image forming device |
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