JPH02172860A - Nozzle for casting - Google Patents
Nozzle for castingInfo
- Publication number
- JPH02172860A JPH02172860A JP63328589A JP32858988A JPH02172860A JP H02172860 A JPH02172860 A JP H02172860A JP 63328589 A JP63328589 A JP 63328589A JP 32858988 A JP32858988 A JP 32858988A JP H02172860 A JPH02172860 A JP H02172860A
- Authority
- JP
- Japan
- Prior art keywords
- refractories
- nozzle
- boride
- refractory
- casting
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 229910003481 amorphous carbon Inorganic materials 0.000 claims abstract description 5
- 239000011819 refractory material Substances 0.000 abstract description 13
- 230000003647 oxidation Effects 0.000 abstract description 12
- 238000007254 oxidation reaction Methods 0.000 abstract description 12
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052726 zirconium Inorganic materials 0.000 abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052810 boron oxide Inorganic materials 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 229910010271 silicon carbide Inorganic materials 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 2
- 230000003064 anti-oxidating effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 18
- 239000002245 particle Substances 0.000 description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000007654 immersion Methods 0.000 description 6
- 239000005011 phenolic resin Substances 0.000 description 6
- 238000009749 continuous casting Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 229910052863 mullite Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (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、鋼の連続鋳造等に用いられるスライディング
ノズル（スライドゲート）や浸漬ノズル等の鋳造用ノズ
ルに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to casting nozzles such as sliding nozzles (slide gates) and immersion nozzles used in continuous casting of steel.
従来、上記鋳造用ノズルは、アルミナ（ＡＮ２０３）、
ムライト（３Ａｇ２０３・２ＳＩＯ２）、マグネシア（
ＭｇＯ） 、ジルコニア（Ｚ ｒ ０２ ）等の酸化物
耐火物又は炭化けい素（Ｓ ｉ Ｃ）等の炭化物耐火物
の少なくとも一方からなり、けい素（Ｓｉ）、アルミニ
ウム（Ａｌｌ ）等の金属を必要に応じて含む耐火性骨
材と、黒鉛又は無定形（非晶質）炭素の少なくとも一方
とから構成されている。Conventionally, the above casting nozzle has been made of alumina (AN203),
Mullite (3Ag203・2SIO2), Magnesia (
It consists of at least one of oxide refractories such as MgO), zirconia (Z r 02 ), or carbide refractories such as silicon carbide (S i C), and requires metals such as silicon (Si) and aluminum (All 2 ). It is composed of a refractory aggregate containing depending on the content of the material, and at least one of graphite and amorphous (amorphous) carbon.
スライディングノズルの炭素は無定形炭素、浸漬ノズル
のそれは黒鉛であり、いずれもカーボンボンドにより組
織が構成されている。The carbon in the sliding nozzle is amorphous carbon, and the carbon in the immersion nozzle is graphite, and both structures are composed of carbon bonds.
しかしながら、炭素を含有した耐火物からなる従来の鋳
造用ノズルにおいては、セラミックボンドのものと異な
り、カーボンボンドが破壊されると強度低下、耐食性低
下を招き、トラブルの大きな要因となるため、酸化（脱
炭）による組織劣化を致命的な短所としている。However, in conventional casting nozzles made of carbon-containing refractories, unlike those with ceramic bonds, oxidation (oxidation) and A fatal disadvantage is structural deterioration due to decarburization.
そこで、本発明は、耐酸化性を向上し得る鋳造用ノズル
の提供を目的とする。Therefore, an object of the present invention is to provide a casting nozzle that can improve oxidation resistance.
前記課題を解決するため、本発明は、酸化物耐火物又は
炭化物耐火物の少なくとも一方からなり、必要に応じて
金属を含む耐火性骨材と、黒鉛又は無定形炭素の少なく
とも一方ｅ−貼崇とからなる鋳造用ノズルにおいて、硼
化物耐火物を２〜１０重量％添加したものである。In order to solve the above problems, the present invention comprises a refractory aggregate made of at least one of an oxide refractory or a carbide refractory, and optionally containing a metal, and at least one of graphite or amorphous carbon. A casting nozzle consisting of 2 to 10% by weight of a boride refractory is added.
そして、硼化物耐火物は、粒径２５０μｓ以下の硼化ジ
ルコニウム（Ｚ ｒ Ｂ ２ ） 又は硼化チタン（Ｔ
ｉ Ｂ２ ）の少なくとも一方とすることが好ましい
。The boride refractory is made of zirconium boride (Z r B 2 ) or titanium boride (T
i B2 ).
上記手段においては、熱間での使用時に硼化物耐火物の
酸化によって生成される酸化硼素（８２０ｓ ）が、耐
火物中に不可避的に存在するシリカ（Ｓ ｉ Ｏ２）あ
るいはスラグ成分と反応し、酸化防止機能を有する被膜
を形成する。In the above means, boron oxide (820s) generated by oxidation of the boride refractory during hot use reacts with silica (S i O2) or slag components that are inevitably present in the refractory, Forms a film with antioxidant function.
硼化物耐火物は、ノズルの硬度を高めかつ溶融金属スラ
グに対する非濡れ性を向上させる。The boride refractory increases the hardness of the nozzle and improves its non-wetting properties against molten metal slag.
硼化物耐火物の添加量は、２重量％未満では添加の効果
が顕著でなく、１０重量％を超えると前記ＢＯがＳ Ｉ
Ｏ２あるいはスラグ成分と反応して多量の低融点生成物
となってノズルの耐食性を低ドさせる。さらに好ましく
は、硼化物耐火物の添加量が２〜５重量％の場合である
。When the amount of boride refractory added is less than 2% by weight, the effect of addition is not significant, and when it exceeds 10% by weight, the BO
It reacts with O2 or slag components to form a large amount of low melting point products, reducing the corrosion resistance of the nozzle. More preferably, the amount of the boride refractory added is 2 to 5% by weight.
硼化物耐火物は、粒径が２５０趣を超えると組織中に点
在する形態となり、耐酸化性の向上に寄与しなくなる。When the particle size of the boride refractory exceeds 250, it becomes scattered throughout the structure and does not contribute to improving oxidation resistance.
以下、本発明の実施例を図面と共に説明する。 Embodiments of the present invention will be described below with reference to the drawings.
実施例 １
アルミナ粉末、ムライト粉末、金属けい素粉束、カーボ
ンブラック粉末、粒径２５０μｓ以下又は粒径５００即
以下の硼化ジルコニウム粉末及び有機バインダーとして
のリグニンスルホン酸液を第１表に示す３種類の割合（
重量％）で混線後、油圧プレスにより１．５ｔｏｎ／ｃ
ｌ！の圧力で成形し、還元雰囲気において１４００℃の
温度で焼成し、第１図に示すように、プレート１の所要
位置にノズル孔２を有するスライディングノズル用スラ
イドプレートを得た。Example 1 Alumina powder, mullite powder, metal silicon powder bundle, carbon black powder, zirconium boride powder with a particle size of 250 μs or less or 500 μs or less, and lignin sulfonic acid liquid as an organic binder were prepared using the 3 compounds shown in Table 1. Percentage of types (
1.5 ton/c by hydraulic press after cross-wiring
l! The molded product was molded at a pressure of 1,400° C. in a reducing atmosphere, and as shown in FIG. 1, a slide plate for a sliding nozzle having nozzle holes 2 at required positions on the plate 1 was obtained.
上記各スライドプレートを用いたスライディングノズル
を２５０１ｏｎの取鍋に取り付け、連続鋳造に使用した
ところ、平均寿命及び使用後の外観は、従来品のそれを
併記する第１表のようになった。When a sliding nozzle using each of the above slide plates was attached to a 2501 on ladle and used for continuous casting, the average life and appearance after use were as shown in Table 1, which also includes those of conventional products.
従って、２５０−以下の硼化ジルコニウムを添加するこ
とにより、平均寿命を延ばすことができると共に、ノズ
ル孔２のエツジの溶損及びプレート１の面荒れを低減で
きることがわかる。Therefore, it can be seen that by adding zirconium boride of 250 or less, the average life can be extended, and the erosion of the edges of the nozzle hole 2 and the surface roughness of the plate 1 can be reduced.
実施例 ２
アルミナ粉末、マグネシア粉末、金属アルミニウムファ
イバー、炭素としてのフェノールレジン粉末、粒径４４
−以下の硼化ジルコニウム粉末、粒径４４μｍ以−ドの
硼化チタン粉末及び有機バインダーとしてのフェノール
レジン液を第２表に示す３種類の割合（重量％）で混線
後、５００ｔｏｎのフリクンヨンプレスによる１０回の
打撃で成形し、３２０℃の温度で熱処理して実施例１の
スライドプレートと同様のスライディングノズル用スラ
イドプレート（図示せず）を得た。Example 2 Alumina powder, magnesia powder, metal aluminum fiber, phenol resin powder as carbon, particle size 44
- After mixing the following zirconium boride powder, titanium boride powder with a particle size of 44 μm or more, and phenol resin liquid as an organic binder in the three proportions (wt%) shown in Table 2, a 500 ton Frikun Yong press was applied. A slide plate for a sliding nozzle (not shown) similar to the slide plate of Example 1 was obtained by molding by blowing 10 times and heat-treating at a temperature of 320°C.
上記各スライドプレートを用いたスライディングノズル
を１８ＯＬｏｎの取鍋に取り付け、３０Ｌｏｎタンデイ
ツシユ用スライデイングノズルとして使用したところ、
平均寿命及び使用後の外観は、従来品のそれを併記する
第２表のようになった。A sliding nozzle using each of the above slide plates was attached to an 18OLon ladle and used as a sliding nozzle for a 30Lon tundish.
The average lifespan and appearance after use are as shown in Table 2, which also includes those of the conventional product.
従って、硼化ジルコニウム及び／又は硼化チタンを添加
することにより、平均寿命を延ばすことができると共に
、プレートの面荒れを低減できることがわかる。Therefore, it can be seen that by adding zirconium boride and/or titanium boride, the average life can be extended and the surface roughness of the plate can be reduced.
実施例 ３
ジルコニア粉末、炭化けい素粉末、天然黒鉛粉末、フェ
ノールレジン粉末、粒径２５０如以下の硼化ジルコニウ
ム及び有機バインダーとしてのフェノールレジン液を第
３表に示す３種類の割合（重量％）で混練後、アイソス
タティックプレスにより１．５ｔｏｎ／ｃ−の圧力で成
形し、還元雰囲気において１０２０℃の温度で焼成し、
第２図に示すように、浸漬ノズルにおけるノズル本体３
の外周の一部をなすパウダーライン部とした。図中５は
ノズル孔で、その下端部は二叉状の吐出孔６となってい
る。Example 3 Zirconia powder, silicon carbide powder, natural graphite powder, phenol resin powder, zirconium boride with a particle size of 250 or less, and phenol resin liquid as an organic binder were mixed in three proportions (wt%) shown in Table 3. After kneading, it is molded using an isostatic press at a pressure of 1.5 ton/c-, and is fired at a temperature of 1020°C in a reducing atmosphere.
As shown in FIG. 2, the nozzle body 3 in the immersion nozzle
The powder line part forms part of the outer periphery of the In the figure, reference numeral 5 denotes a nozzle hole, the lower end of which is a bifurcated discharge hole 6.
上記各浸漬ノズルを連続鋳造に使用したところ、平均寿
命及び使用後のｌ！は、従来品のそれを併記する第３表
のようになった。When each of the above immersion nozzles was used for continuous casting, the average life and l after use were determined. The results are as shown in Table 3, which also includes those for conventional products.
従って、硼化ジルコニウムを１０重量％以下添加するこ
とにより、平均寿命を延ばすことができると共に、溶融
パウダーによる浸漬ノズルのパウダーライン部の酸化を
防止し得、かつ溶損面を滑らかにし得ることがわかる。Therefore, by adding 10% by weight or less of zirconium boride, it is possible to extend the average life, prevent oxidation of the powder line part of the immersion nozzle due to molten powder, and smooth the melted surface. Recognize.
実施例 ４
アルミナ粉末、ムライト粉末、炭化けい素粉末、金属け
い素、天然黒鉛粉末、フェノールレジン粉末、粒径４４
虜以下の硼化ジルコニウム、粒径４４ｍ以下の酸化チタ
ン及び有機バインダーとしてのフェノールレジン液を第
４表に示すＢＰＪｉ類の割合（重量％）で混線後、アイ
ソスタティックプレスにより１．０１ｏｎ／ｃ−の圧力
で成形し、還元雰囲気において９８０℃の温度で焼成し
、第３図に示すように、浸漬ノズルのノズル本体７とし
た。図中８はノズル本体７の外周の一部をなすパウダー
ライン部、９はノズル孔で、その下端部は二叉状の吐出
孔１０となっている。１１は鋳造による付着物である。Example 4 Alumina powder, mullite powder, silicon carbide powder, silicon metal, natural graphite powder, phenol resin powder, particle size 44
After mixing zirconium boride with a particle size of 44 m or less, titanium oxide with a particle size of 44 m or less, and a phenol resin liquid as an organic binder at the proportions (wt%) of BPJi shown in Table 4, it was mixed with an isostatic press at 1.01 on/c- The molded product was molded at a pressure of 100° C. and fired at a temperature of 980° C. in a reducing atmosphere to form a nozzle body 7 of a submerged nozzle, as shown in FIG. In the figure, 8 is a powder line part forming a part of the outer periphery of the nozzle body 7, 9 is a nozzle hole, and the lower end thereof is a bifurcated discharge hole 10. 11 is a deposit due to casting.
上記各浸漬ノズルを低次ＡＮキルド鋼の連続鋳造に使用
したところ、平均寿命及び鋳造経過は、従来品のそれを
併記する第４表のようになった。When each of the above-mentioned immersion nozzles was used for continuous casting of low-order AN killed steel, the average life and casting progress were as shown in Table 4, which also includes those of conventional products.
従って、硼化ジルコニウム及び／又は硼化チタンを１０
重量％以下添加することにより、平均寿命を延ばすこと
ができると共に、低次Ａｌｌキルド鋼の連続鋳造に際し
て付着物Ｉｔによるノズル孔９及び吐出孔１０の閉塞を
軽減できることがわかる。Therefore, 10 zirconium boride and/or titanium boride
It can be seen that by adding less than % by weight, the average life can be extended, and the clogging of the nozzle hole 9 and the discharge hole 10 due to deposits It can be reduced during continuous casting of low-order All-killed steel.
なお、上記第１〜３実施例においては、ノズルの製造に
際して焼成を還元雰囲気で行うようにしたが、これに限
らず例えば成形体の表面を耐酸化被覆して酸化雰囲気で
焼成するようにしてもよい。In the first to third embodiments described above, the nozzle was manufactured in a reducing atmosphere, but the present invention is not limited to this. For example, the surface of the molded body may be covered with an oxidation-resistant coating and then fired in an oxidizing atmosphere. Good too.
又、必要に応じてタール・ピッチ類の含浸処理を施して
もよい。Further, if necessary, impregnation treatment with tar or pitch may be performed.
以上のように本発明によれば、熱間での使用時に硼化物
耐火物の酸化によって生成される酸化硼素が、耐火物中
に不可避的に存在するシリカあるいはスラグ成分と反応
し、酸化防止機能を有する被膜を形成するので、耐酸化
性が向上し、脱炭による組織劣化を防止することができ
る。As described above, according to the present invention, boron oxide produced by oxidation of boride refractories during hot use reacts with silica or slag components that are inevitably present in the refractories, and has an antioxidant function. Since a film having the following properties is formed, oxidation resistance is improved and structural deterioration due to decarburization can be prevented.
又、硼化物耐火物の存在によってノズルの硬度が高めら
れるので、スライディングノズルにおいてはその摺動面
の面荒れが低減し、寿命が延びる。In addition, since the hardness of the nozzle is increased by the presence of the boride refractory, the roughness of the sliding surface of the sliding nozzle is reduced and the life of the nozzle is extended.
更に、硼化物耐火物の存在によって溶融金属スラグに対
する非濡れ性が向上するので、ノズルの耐食性を高める
ことができると共に、特に浸漬ノズルにおいてはそのノ
ズル孔等の閉塞を防止することができる。Furthermore, the presence of the boride refractory improves the non-wetting properties of the molten metal slag, so that the corrosion resistance of the nozzle can be improved and, especially in submerged nozzles, clogging of the nozzle holes, etc. can be prevented.
図は本発明の実施例を示すもので、第１図は第１実施例
のスライディングノズル用スライドプレートの断面図、
第２図及び第３図は第３実施例及び第４実施例の浸漬ノ
ズルの縦断面図である。
１・・・プレート ２・・・ノズル孔３・
・・ノズル本体The figures show an embodiment of the present invention, and FIG. 1 is a sectional view of a slide plate for a sliding nozzle according to the first embodiment;
FIGS. 2 and 3 are longitudinal cross-sectional views of the submerged nozzles of the third and fourth embodiments. 1... Plate 2... Nozzle hole 3.
・Nozzle body
Claims (1)
からなり、金属を必要に応じて含む耐火性骨材と、黒鉛
又は無定形炭素の少なくとも一方とからなる鋳造用ノズ
ルにおいて、硼化物耐火物を２〜１０重量％添加したこ
とを特徴とする鋳造用ノズル。(1) In a casting nozzle consisting of a refractory aggregate made of at least one of an oxide refractory or a carbide refractory and optionally containing metal, and at least one of graphite or amorphous carbon, a boride refractory is used. A casting nozzle characterized in that 2 to 10% by weight of is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63328589A JP2519095B2 (en) | 1988-12-26 | 1988-12-26 | Casting nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63328589A JP2519095B2 (en) | 1988-12-26 | 1988-12-26 | Casting nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02172860A true JPH02172860A (en) | 1990-07-04 |
| JP2519095B2 JP2519095B2 (en) | 1996-07-31 |
Family
ID=18211961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63328589A Expired - Lifetime JP2519095B2 (en) | 1988-12-26 | 1988-12-26 | Casting nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2519095B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05178661A (en) * | 1991-03-11 | 1993-07-20 | Vesuvius Crucible Co | Corrosion-, thermal shock- and oxidation-resistant composition |
| FR2700773A1 (en) * | 1993-01-28 | 1994-07-29 | Pechiney Recherche | Protective coatings of materials against reactions with the atmosphere at high temperature. |
| CN105344955A (en) * | 2015-12-18 | 2016-02-24 | 河南通宇冶材集团有限公司 | High-strength continuous casting crystallizer mold flux and preparing method thereof |
| CN115159967A (en) * | 2022-07-25 | 2022-10-11 | 中冶武汉冶金建筑研究院有限公司 | High-oxidation-resistance environment-friendly iron runner castable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5727968A (en) * | 1980-07-17 | 1982-02-15 | Kurosaki Refractories Co | Plate brick for sliding nozzle |
| JPS5756376A (en) * | 1980-09-22 | 1982-04-03 | Harima Refractories Co Ltd | Lime-carbon refractories |
| JPS57196764A (en) * | 1981-05-25 | 1982-12-02 | Shinagawa Refractories Co | Graphitic refractories |
| JPS58151369A (en) * | 1982-03-04 | 1983-09-08 | 東京窯業株式会社 | Refractories for blast furnace tap hole launder |
-
1988
- 1988-12-26 JP JP63328589A patent/JP2519095B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5727968A (en) * | 1980-07-17 | 1982-02-15 | Kurosaki Refractories Co | Plate brick for sliding nozzle |
| JPS5756376A (en) * | 1980-09-22 | 1982-04-03 | Harima Refractories Co Ltd | Lime-carbon refractories |
| JPS57196764A (en) * | 1981-05-25 | 1982-12-02 | Shinagawa Refractories Co | Graphitic refractories |
| JPS58151369A (en) * | 1982-03-04 | 1983-09-08 | 東京窯業株式会社 | Refractories for blast furnace tap hole launder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05178661A (en) * | 1991-03-11 | 1993-07-20 | Vesuvius Crucible Co | Corrosion-, thermal shock- and oxidation-resistant composition |
| FR2700773A1 (en) * | 1993-01-28 | 1994-07-29 | Pechiney Recherche | Protective coatings of materials against reactions with the atmosphere at high temperature. |
| EP0609160A1 (en) * | 1993-01-28 | 1994-08-03 | PECHINEY RECHERCHE (Groupement d'Intérêt Economique géré par l'ordonnance du 23 Septembre 1967) | Coatings to protect materials against reactions with the atmosphere at high temperature |
| CN105344955A (en) * | 2015-12-18 | 2016-02-24 | 河南通宇冶材集团有限公司 | High-strength continuous casting crystallizer mold flux and preparing method thereof |
| CN115159967A (en) * | 2022-07-25 | 2022-10-11 | 中冶武汉冶金建筑研究院有限公司 | High-oxidation-resistance environment-friendly iron runner castable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2519095B2 (en) | 1996-07-31 |
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