JPS60102254A

JPS60102254A - Tube for protecting molten steel in receiving part of tundish

Info

Publication number: JPS60102254A
Application number: JP21007683A
Authority: JP
Inventors: Akiro Honjo; 本庄　昭郎; Yoshirou Kotou; 湖東　良郎
Original assignee: Kurosaki Refractories Co Ltd; Funabashi Seiko Co Ltd
Current assignee: Godo Steel Ltd; Krosaki Harima Corp
Priority date: 1983-11-09
Filing date: 1983-11-09
Publication date: 1985-06-06

Abstract

PURPOSE:To obtain a tube for protection having good resistance to corrosion by covering refractory bricks contg. respectively specific % carbon and refractory aggregate with a metallic case to form a hollow cubic body then providing further a hole for gas sealing. CONSTITUTION:Refractory bricks 2 manufactured of a blank material added with about 10-70% carbon and about 90-30% refractory aggregate are combined and a metallic case 4 covering the outside thereof is assembled and is welded or joined by an adhesive agent thereto. A hole part 10 is provided to the brick wall of a tube T which is a square hollow cubic shape and a pipe 12 for gas sealing is attached thereto. The molten steel 16 poured from a ladle 14 flows downward through the outlet of the ladle 14 into a tundish 18 and is delivered to a mold. Since the bricks 2 have good resistance to corrosion and contain carbon, the sticking of the base metal thereto is prevented and the tube T usable for a long time is provided.

Description

【発明の詳細な説明】不１ｉＡ・５４）発明（・１　）ンリえ１・：ｒ　；Ｕ
本枕、９ｈ告去↓こ♂いて１　、り　ノブイノツユ受テ
１１・４　Ｆｉｌ唇υイ１斗’Ｊｊ１１１１保・浄用ザ
ユーブ（′（＝閏丈るものてあ乙。[Detailed description of the invention] Invention (・1)
Honmakura, 9h confession ↓ Ko♂ite 1, ri Nobuinotsuyu Ukete 11.4 Fil lips υi 1 to'Jj 1111 protection, purification Zayoub ('(=Enjourumonoteaotoshi).

促来よりｉ’、＜　、ｌｌ’ｌきイしている保、ｌ！！
ｉ用チューブは通常鉄板等よりなる円Ｉ笥体ノズル外側
を・１］’　Ｌ　ｉ　−’と−の；ノ」Ｉｌｌに適宜な
厚さの；１０１人吻定積設してなり、レ−ドルからタン
プイソ７ユに流下するストリームはぞの内部全通過し、
その主虞な目的は、浴蹟１ストリームの酸化防止、タフ
ディツシュ内の湯、各ちｌ］ｌ１１近に卦きる＋８鋼ス
ゾラソソユ現象の防止、タンディツシュ湯面−」二ｒこ
浮遊するスラグ及び酸１１１９月１ｆτ１１′、ずの巻
き込み防上等である、。I', < , ll'l ki iru kiiteru, l! !
The tube for i is usually made by stacking the outside of the nozzle of a circular I box body made of iron plate etc. into the nozzle of appropriate thickness, and The stream flowing from Doru to Tanpuiso 7yu passes through the entire inside of the hole,
Its main purpose is to prevent the oxidation of the bathtub stream, to prevent the slag and acid 1119 floating on the hot water surface of the bath, to prevent the phenomenon of slag and acid 1119 that occur in the hot water in the bathtub, and to prevent the slag and acid 1119 Month 1fτ11', it is a prevention of entanglement, etc.

然し乍ら前１己ノズルは神々の欠陥が・ウリ、（′］１
〜足ｔ′＼さ７切ルＲをイ４ｊることは１木１仄Ｖであ
った。１タリえＱ、土１・（１・１間の開用に起因して
、タンプイソ７ユｍ　１ｆｌｌより一ト万に位置ｆるノ
ズルの部分は？Ｂ損が生じ易いかし、俗損した１８１１
火物の巻き込みＶこより、当然間１１．す製品の地疵発
′Ｌ等の足゛・影響を及ぼし、又前記ノズル体り都（・
ζ地金付層及びその・１−］着′勿の成長の／こめ地金
が大きくな一す、その／こめノズルの通過ｆシを狭くす
る労により、次のチャージり鋳込の円滑イヒを１８［■
害する等の欠点金有する。However, the first nozzle has a divine flaw, (']1
~ It was 1 tree 1 to V to do 4j for foot t'\sa 7 cut R. 1 Tariye Q, soil 1. (Due to the opening between 1 and 1, what part of the nozzle is located 10,000 points from 7 meters and 1 flll?
Naturally, 11. This may cause damage to the product, such as ground scratches, etc., and may also cause damage to the nozzle body.
ζ Bullion layer and part 1-] As the growth of the deposited metal increases, the next charge casting process is facilitated by narrowing the passage of the metal nozzle. 18 [■
There are disadvantages such as damage.

本１１狽の発明（・ま−ヒ述の欠陥を見Ｉ］ｉすること
を目的とし、耐蝕性Ｈｃヒれ且池金刊看のｌよいカ−ボ
／イウ５加れんが相を用いて角筒状チューブを構成し、
前記デユープの一側にガス例えば不活性ガス又は還元性
ガスを吹き込むだめの孔部ヲ形成してなるものである。The present invention is aimed at solving the defects mentioned above by using a corrosion-resistant Hc fin and a good carburetor/Iw 5-added brick phase. constitutes a cylindrical tube,
A hole is formed on one side of the duplex for blowing gas, such as an inert gas or a reducing gas.

以下本ｊ頭発明の実施例について詳説する。先つ渠−に
本発明に係るチューブに１史用する耐火材として、１更
用するカーボンの量の下限はスプラソンユ刊着防止の効
果を発揮させるためには約１０％金最適とする。−万上
限（４１１ついては、多量にカーボン金魚した場合には
、酸比により、１ｉ１１織劣化が著しるしくなり、構造
体としての適宜の強要全維持することが困難である等を
考ｊ、鉱（−て、約７０％を最適とする。従ってカーフ
１？ン以外の１耐火骨（オの含有量＆″ｉ：”、ｏ％〜
９０％全最適とすることが判明する。本発明に使用する
Ｉ！υ・１火骨４Ｊとしては、ろう石、粘土、ンヤモノ
ト、／リマイト、アンダリューサイト、カイヤナイｌ−
、合成ムライト、ボーキサイト、焼結アルミナ、−融ア
ルミナ、海水マグネシアクリンカ、天然マグネ／キクリ
ン力、屯ｒｌＩ！ｌ！マグネシアクリンカ等であり、又
カー１１サン原としては、１鱗状黒鉛、電憾屑、コーク
ス、カーボンブラック、カーフ１？ン汎ん屑等；り用史
用できる。Examples of the present invention will be described in detail below. Firstly, the lower limit of the amount of carbon to be used once again as a refractory material in the tube according to the present invention is approximately 10% gold in order to exhibit the effect of preventing splinter build-up. -10,000 upper limit (for 411, consider that if a large amount of carbon goldfish is used, the deterioration of the 1111 fabric will be significant depending on the acid ratio, and it will be difficult to properly maintain the structure as a whole.) (-, approximately 70% is optimal. Therefore, the content of 1 refractory bone other than calf 1) &"i:", o% ~
It turns out that 90% total optimization is achieved. I! used in the present invention! υ・1 fire bone 4J includes waxite, clay, nyamonoto, /remite, andalusite, and kayanai l-
, synthetic mullite, bauxite, sintered alumina, -fused alumina, seawater magnesia clinker, natural magnesia/kikulin force, tunrlI! l! Magnesia clinker, etc., and as raw material for car 11, 1 scale graphite, electric dust, coke, carbon black, kerf 1? Can be used for scraps, etc.

次にバインダとしては、タール、フェノール回脂等が用
いしれ一１！Ｊにノボラックｎ＋ジフェノール初脂；２
９６〜６％及び谷ｉＭＪ脂に対しては８％〜２０％の硬
化剤を添加したものががよしい。Next, as a binder, tar, phenol fat, etc. are used. Novolak n + diphenol first oil in J; 2
It is preferable to add a hardening agent of 8% to 20% to 96% to 6% and Tani iMJ fat.

仄にチューブの製造方法について１況Ｌ！ＩＪ″Ｊる。A little bit about the tube manufacturing method! IJ″Jru.

（１）素イオれんがの製造（第１図参照）カーボン添加
れんが２．／、１品質をぼ保−Ｊ−る／辷めにけれんか
上面に約１−３　ｋｇ　／　ｃｎｉの圧力金加える。勿
１・・Ｌヒ＋ｒｉｊは鉄板等よジなるメタルケース４ｃ
ててカバする。然（７て成形鏝のそり防止全目的として
メタルケース４の長手方間全適宜に分ＩＪ］Ｊする。本
犬施例では三分゛ル１ｊとした。配合全充分に均一にす
るために配合、ならしを行うことは勿論でのる。又乾燥
１′「憲ｖｉ２ｏｕ℃で約１／１時間行う。又その他の
製造工程に他の通常の７Ｌんがと同様の方、去を採用で
きる。(1) Production of elementary iodine bricks (see Figure 1) Carbon-added bricks 2. /, 1 to maintain quality - J-ru / Apply about 1-3 kg/cni of pressure to the upper surface of the handle. Of course 1... Lhi + rij is a metal case 4c that is similar to iron plate etc.
I'll cover it. (7) For the purpose of preventing warping of the forming iron, the length of the metal case 4 is divided as appropriate. In this dog example, the third part is 1j. In order to make the mixture sufficiently uniform, It goes without saying that blending and conditioning are carried out.Also, drying is carried out at 2°C for about 1/1 hour.In addition, the other manufacturing processes are the same as those for other ordinary 7L noodles. can.

（２ンチューブ、阻立て工程（第２図参照す前６己の工
程で製造した累祠ルんが２ヶ、ｔｉｌｌ・ｆ干せ−Ｃ１
！＠２図、　（Ａ）　、　Ｃｌ３１の形状となす。すな
わち中空立方体の寸法に合う様にれんがを組合せるため
に４つのノミネルを作成する。メタルケース４は溶接又
は接着制により接合する。矢に４つのノミネル全メタル
ケース４が外１ｕｌｌ　ｋこ位置するようにイ且ケて、
角状中空立法体を形；必し、谷５ペネル間を浴接して後
、補強のために」二部１ｆｄＬ］都にアングル部；１，
１’　６　、中段にフラノ＋−パーＳ？溶接する。(2 tubes, erecting process (see Figure 2) 2 tubes manufactured in the previous process, till and f dry-C1
! @Figure 2, (A), Cl31 shape. That is, four nominals are made to combine the bricks to match the dimensions of the hollow cube. The metal case 4 is joined by welding or adhesive. Place the four Nominelle all-metal cases 4 on the arrow so that they are positioned 1 ullk outside.
Shape an angular hollow cube; be sure to make a connection between the valleys 5 and 5 panels for reinforcement.
1' 6, Furano+-par S in the middle row? Weld.

然してチューブの、ｒｌんが壁の一側に孔１Ｖｌｊ　］
　ｏ　ｆｃ設けこれ（・こ吹き込みパイプ１２全取伺け
る　・二とにより本発明に係るチューブ゛１゛が完Ｊ戎
Ｊ−る。However, the tube has a hole on one side of the wall.
The tube 1 according to the present invention is completed by installing the fc and by removing the entire blowing pipe 12.

この様に組ｔてた不出）如発明に帰るデユープをし・−
ドルとタンディツシュとの；１］］に配設した（イ４成
ケ第３図（（おいてニス／ゴテする。し・−ドル１４よ
り注入さ、また浴５祠１６はし・−ドルの出口より本発
明のチューブ゛１゛内を流下してタンディノンユニ８内
にそそがれ、史Ｖｃ　ａ　ｖモールデイングエ桿へとタ
ンプ・ｆソンユ流出口金へて、内り出さ７しる。図中（
−Ｔ号２０はタンディツシュ］８のカフζ、２２は酸化
防止１１りでめる。In this way, I made a duplication that returned to the invention.
1]] between the dole and the tandish. It flows down through the tube 1 of the present invention from the outlet, flows into the tandinone unit 8, enters the molding rod, enters the outlet spout, and exits. In the figure (
-T No. 20 is a tanditsu] 8 cuff ζ, 22 is an oxidation prevention 11 ring.

さて、本、頼発明は上述の１１４成金有する（つで次の
様しｔ（効果を達成することかでさる。Now, this invention has the above-mentioned 114 advantages (and it depends on achieving the following effect).

１　カーボン添加れんがを採用（７ている、υで、１１
１ｊ１蝕性が良く、タンプイソ／ユ湯ばｌＩ見ｊトに存
在１−ろイｓ１を分（（も溶損が７よく、又スラブ−や
タフ・デイノ／：］−］、　８　ＰＡ　Ｇｉ）　％　鋼
−ｈ　’ｌｆ、ｌｌ　ｌ’ｊｌ−４Ｔ　−Ｌ　’ｆ　／
、）　ｆ枝化防＋！−１ｉｔ、ｌ　ｖ）　：ｄ込みが防
止さルる。1 Adopting carbon-added bricks (7, υ, 11
1j1 has good corrosion resistance and is present in tampiso/yuba lIjt ((also has good erosion loss, and is also slab- and tough-deino/:]-], 8 PA Gi) % Steel-h'lf,ll l'jl-4T-L'f/
,) f branch protection +! -1it, lv): d-inclusion is prevented.

２、　カーボン余加１′１．んがを用いているから、タ
ンプ・イツシュ湯路ちし］附・ノヱの地金・トＪ／ｌ′
−１１彷１」−に役立ち地金の成長が沈い。2. Carbon addition 1'1. Because it uses a metal, it is a tampu yutshu yujichishi] attached to the bullion of Noe.
-11 彷1" - helped slow down the growth of bullion.

：３　チューブの一側に叶設し７′こ孔部エリ不活性ガ
ス等を吹き込むことによりＣ′斤訃１７．ドリームの酸
化防止ｌこ役立つ。17. By making a hole on one side of the tube and blowing an inert gas, etc. into the 7' hole area. Dream's antioxidant is useful.

・Ｉ　ＳＮ品！１勿がＯ％目目間開孔イ）・１史用でき
る。・ISN product! Can be used for 1 history.

５、　従；ＫｉンｌＩの口／グノズルに比１１佼して′
ゲ１１出に製・改でさると共に＊　ＩＩ；７間の使用に
１ｌｌｌＩ′えつ７ｂ。5. Compared to KinlI's mouth/gnozzle'
It was made and revised in Ge 11 and *II; 1llllI'Etsu 7b for use between 7.

[Brief explanation of drawings]

第１図（ｔより一ボン添加、１んがの構成を示すＪ、［
祝図、紀２図はザユーブｒｉ＋Ｉｌ　＼’／：　ＮＩ　
造を示Ｔもので、ｆＡ＋はその平面面、（［３）はその
１０１１向し１、（０）は回（Ａ、）の（ｊ−Ｃのシが
ｔ′こｉ９つ１ヒ断面図で、吹込パイプｒ取付けた状態
を・Ｊ−モす。第３−図りまし・−ドルとタンデイソン
ユの間に配設さ４また本願発明（て１．′Ｎるチューブ
の斬面図。２・カーボン研）Ｊｕノ′しんが４　メタルケース］ｔＪ・几Ｊ２・・・ｉシ（込パイプ１４　しＩ−ドルＩ　６　Ｙ？ギ鋼１８・タノディッシュ２２　・１゛伎化１′、力　１にｒ（り代理人　５１理
士　小　林　栄鎮　１１ゴ第２１省（Ａｌ第３１）１手続抽＋ｌ−ｉ　ｉ’Ｆ　（、＋勺カ昭ｆｏ　５ｇ年２Ｊ］２７日猫ン１庁長官　若杉和夫　殿］。ＩＩ　ｆ’ｌの表示昭和５８　で１隼５　許　願第　２１００７（ｉυ２　
鏑明の名防）　タノディソンユ受鋼部Ｖｌ’ｌ保１φ川
チューブ３ｉｌＤ　、＋ｌ−ヲーｉ　’、１１　者１旧
’１．鼾の１）（厩　特許出願入代Ｎ＜収ηど１゛６没社長　冨１１１　一部　（外１名
）４　代　理　人　〒　１６０６　抽ｉ−ｌに、［り増加する発明の数′）゛へ　゛８、＋ｉｌｉ　１ｌ−Ｕ）　内％Ｆ　、＞ＪＪ俄ノｊ＋
ｌｉ　Ｉ）　乙’薯（１）明細占用・１ｇ＝７第１０杓
目のｌ−１，、’３ｋｙ／′（、Ｖ＋Ｉ’　Ｊ企ｊ−１
、：３屯／ｃｍ　’　Ｊと浦ＩＦする。（２）明細出、第６貞第１８行目の［−第１図−１を［
・（５１図（Ａ、）　（Ｉす」と１市ｆにする。Figure 1 (J showing the composition of 1 B added and 1 N from t, [
Shukuzu, Ki 2 is Zauburi + Il \'/: NI
fA+ is its plane surface, ([3) is its 1011 direction 1, (0) is the cross-sectional view of (j-C) The state in which the blowing pipe R is installed is shown below. 3rd - Diagram: 4. The present invention (1) A cutaway view of the tube disposed between the cylinder and the tube. 2. Carbon Research) Ju's Shinga 4 Metal Case] tJ・几J2...i し（Including Pipe 14 Shi I-Dollar I 6 Y? Gi Steel 18・Tano Dish 22 ・1゛Ki 1', Force 1 Nir (Representative 51st Physician Eishin Kobayashi 11go 21st Ministry (Al No. 31) 1 Procedure Lottery+l-i i'F (,+Kasho 5g 2J) 27th Nekoon 1 Agency Director Wakasugi Kazuo-dono].II f'l display 1978
Kaburame's famous defense) Tanodisonyu steel receiving part Vl'l 1φ river tube 3ilD, +l-woi', 11 person 1 old '1. Snoring 1) (Stable Patent application fee N < revenue η 1 ゛ 6 deceased president 111 part (1 other person) 4 representatives 〒 160 6 The number of inventions will increase by 160 6 ) to ゛8, +ili 1l-U) within %F , > JJ 俄ノj+
li I) Otsu' 薯 (1) Detailed use 1g = 7 10th ladle l-1,, '3ky/' (, V + I' J plan j-1
, :3 ton/cm ' J and Ura IF. (2) Specification, No. 6, line 18 [-Figure 1-1]
・(Figure 51 (A,) (Isu) and 1 city f.

Claims

[Scope of Claims] 1. Using a metal case ()lIj fire ring, its gu (lIl11 desired hollow stand so as to be covered with a metal case) ji”F:・ζノ彪(戎し、that -jllll
A blowing hole for the Vζ gas seal is provided/This is a protective tube for the welding part of the tundish receiving part. 2. Approximately 1 carbon (J: l ~ 70% and 11111
Fire 1 U1 Bone-F4 approx. 90z~: 30% and Keka 11. l
(Required for cutting wood V)
So 2j] 1j + 'IIA training, molding, reprinting Metal Coust II::r19<;? ShinkatMakino 11 Shida L "18'F 1lt1.', J
'I Kidney, Tor; 11 Mouths, 1 Insect Moon, 1 Tube.