JPH0344363Y2 - - Google Patents
Info
- Publication number
- JPH0344363Y2 JPH0344363Y2 JP18613686U JP18613686U JPH0344363Y2 JP H0344363 Y2 JPH0344363 Y2 JP H0344363Y2 JP 18613686 U JP18613686 U JP 18613686U JP 18613686 U JP18613686 U JP 18613686U JP H0344363 Y2 JPH0344363 Y2 JP H0344363Y2
- Authority
- JP
- Japan
- Prior art keywords
- base member
- side weir
- thin plate
- embedded
- plate
- 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.)
- Expired
Links
- 238000001816 cooling Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 8
- 239000011823 monolithic refractory Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000009749 continuous casting Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 description 13
- 238000005266 casting Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、双ドラム式薄板連続鋳造装置のサイ
ド堰に関する。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a side weir for a twin-drum continuous thin plate casting machine.
第２図ａ，ｂは従来のサイド堰を用いた薄板連
続鋳造装置の一部を破断した概略側面図及び正面
図である。
FIGS. 2a and 2b are a partially cutaway schematic side view and a front view of a conventional thin plate continuous casting apparatus using a side weir.
従来のサイド堰を用いた薄板連続鋳造装置では
互いに相反する方向に回転する一対の冷却ドラム
Ｂと、これらの両側面にそれぞれ装設された一対
のサイド堰Ｃとからなる湯溜り部へ溶鋼９を連続
して注湯し、双方の冷却ドラムＢの間隙寸法に相
当する厚さの薄板１０を連続鋳造するのである。 In a conventional thin plate continuous casting apparatus using side weirs, molten steel 9 is poured into a pool consisting of a pair of cooling drums B rotating in opposite directions and a pair of side weirs C installed on both sides of these drums. is continuously poured into a thin plate 10 having a thickness corresponding to the gap size between both cooling drums B.
溶鋼９は第２図ａに示すように、冷却ドラムＢ
の外周面で冷却されて次第に凝固し、双方の冷却
ドラムＢの最接近部では完全に凝固して薄板１０
になり下方へ送給される。 The molten steel 9 is placed in a cooling drum B as shown in FIG. 2a.
The thin plate 10 is cooled and gradually solidified on the outer peripheral surface of the cooling drum B, and is completely solidified at the closest portion of both cooling drums B.
and is sent downward.
サイド堰Ｃには第２図ｂに示すように、例えば
窒化ほう素BNなどのセラミツクスのような耐熱
材が用いられ、内装されたヒータ１３によつて所
定の温度に加熱し、溶鋼９の凝着及び薄板１０両
端部の過冷却を防止している。 As shown in FIG. 2b, the side weir C is made of a heat-resistant material such as ceramics such as boron nitride BN, and is heated to a predetermined temperature by an internal heater 13 to solidify the molten steel 9. This prevents overcooling of the thin plate 10 and both ends of the thin plate 10.
前述したように、従来のサイド堰はセラミツク
ス一体型であるので大型化が困難であり、また、
反復使用による熱応力によつて割れが発生し、そ
れが開口して湯鋼が侵入したり、更にこの割れが
進展して破壊に至つて耐久性が著るしく劣る等の
欠点があつた。
As mentioned above, conventional side weirs are made of integrated ceramics, which makes it difficult to increase their size.
There were drawbacks such as cracks occurring due to thermal stress due to repeated use, which would open and allow molten steel to enter, and the cracks would further propagate and lead to destruction, resulting in significantly poor durability.
本考案は、各々一対の冷却ドラム及びサイド堰
からなる湯溜り部へ溶融金属を連続的に供給し、
板状に凝固させて薄板を連続鋳造する装置のサイ
ド堰において、ケースに収容された不定形耐火物
と、該不定形耐火物に植設されたベース部材と、
該ベース部材に対して前記冷却ドラムの端面と摺
接する位置に植設されたセラミツクス当板と、前
記ベース部材に埋設されたヒータとからなること
を特徴とする薄板連続鋳造装置のサイド堰であ
る。
The present invention continuously supplies molten metal to a pool consisting of a pair of cooling drums and a side weir,
In a side dam of an apparatus for continuously casting thin plates by solidifying them into plate shapes, a monolithic refractory housed in a case, a base member implanted in the monolithic refractory,
A side weir for a continuous thin plate casting apparatus, characterized in that it comprises a ceramic contact plate implanted in the base member at a position in sliding contact with an end surface of the cooling drum, and a heater embedded in the base member. .
連続鋳造スタートのためのサイド堰予熱或い
は、連続鋳造中に、ベース部材及び断熱材がヒー
タ或いは溶融金属によつて加熱されるが、ベース
部材の加熱度が大きいので、その熱膨張が断熱材
によつて拘束され、ベース部材に圧縮力が作用す
る。前記加熱による熱応力によつてベース部材に
割れが発生しても前記圧縮力によつて開口せず、
鋳造中その割れに湯差しが発生しない。
During side weir preheating to start continuous casting or during continuous casting, the base member and the heat insulating material are heated by a heater or molten metal, but since the base member is heated to a large degree, its thermal expansion affects the heat insulating material. As a result, the base member is restrained and a compressive force is applied to the base member. Even if a crack occurs in the base member due to thermal stress caused by the heating, it will not open due to the compressive force,
During casting, no hot water is generated in the cracks.
第１図に本考案薄板連続鋳造装置のサイド堰の
一実施態様を示す。第１図ａは正面図、第１図ｂ
は第１図ａのｂ−ｂ線による断面図である。
図において、１，２は、例えば窒化ほう素BNの
ようなセラミツクス製の当板で、例えばコランダ
ムのようなベース材３に植設され、その表面はベ
ース材３の表面からわずかに突出し、２点鎖線で
示す冷却ドラムＢの側面と摺接するようになつて
いる。なお、当板１は、第１図ａのように多数に
分割されているため、当板１に割れが発生しても
開口の広がりを防止することができ、また、割れ
た当板１のみ交換することができるので、経済的
である。ベース材３と金属製のケースとの間に
は、例えばキヤスタブルのような不定形耐火物５
が介装され、ケース４に固着されたＹアンカ４ａ
によつて金属製のケース４に固定されている。６
はヒータでベース材３に埋設され、金属製のケー
ス４から突出した各々の両端部は図示しない電源
に連結されている。
FIG. 1 shows an embodiment of the side weir of the continuous thin plate casting apparatus of the present invention. Figure 1a is a front view, Figure 1b
is a sectional view taken along line bb in FIG. 1a.
In the figure, 1 and 2 are backing plates made of ceramics such as boron nitride BN, which are implanted in a base material 3 such as corundum, and their surfaces slightly protrude from the surface of the base material 3. It is designed to come into sliding contact with the side surface of the cooling drum B shown by the dotted chain line. In addition, since the backing plate 1 is divided into many parts as shown in Figure 1a, even if the backing plate 1 is cracked, the opening can be prevented from expanding, and only the broken backing plate 1 can be separated. It is economical because it can be replaced. Between the base material 3 and the metal case, there is a monolithic refractory material 5 such as a castable material.
Y anchor 4a is interposed and fixed to the case 4.
It is fixed to the metal case 4 by. 6
are embedded in the base material 3 as heaters, and both ends of each protruding from the metal case 4 are connected to a power source (not shown).
以上の部材によつてサイド堰Ａが構成されてい
る。 The side weir A is constituted by the above members.
双方の冷却ドラムＢ間に溶鋼を連続して注湯
し、薄帯鋼を連続鋳造するに際し、サイド堰Ａを
図示しない押圧装置によつて所定の圧力で冷却ド
ラムＢの両端面に押圧し、ヒータ６によつてベー
ス材３及び当板１，２を加熱し、冷却ドラムＢの
回転によつてその両端面と当板１，２とが摺動す
る。 When continuously pouring molten steel between both cooling drums B and continuously casting ribbon steel, press the side weir A against both end surfaces of the cooling drum B with a predetermined pressure by a pressing device (not shown), The base material 3 and the contact plates 1 and 2 are heated by the heater 6, and the rotation of the cooling drum B causes both end surfaces of the base material 3 and the contact plates 1 and 2 to slide.
このとき、ベース材３は注湯された溶鋼及びヒ
ータ６によつて加熱されるが、不定形耐火物５よ
りも高温になるので金属製のケース４に収容され
た不定形耐火物５によつてその熱膨張が拘束され
て圧縮力が作用し、前記加熱による熱応力によつ
てベース材３に割れが発生しても開口しない。 At this time, the base material 3 is heated by the poured molten steel and the heater 6, but since the temperature is higher than that of the monolithic refractory 5, the base material 3 is heated by the monolithic refractory 5 housed in the metal case 4. As a result, its thermal expansion is restricted and a compressive force acts, and even if a crack occurs in the base material 3 due to the thermal stress caused by the heating, it will not open.
断熱材にベース部材を植設することにより、サ
イド堰の予熱或いは、薄板鋳造中における加熱に
よつてベース部材が不定形耐火材よりも高温にな
り、その熱膨張差によつてベース部材に圧縮力が
作用するので、反復加熱による熱応力によつてベ
ース部材に割れが発生しても開口しない。したが
つて、薄板鋳造中における溶融金属の湯差し（割
れ部への侵入）が防止できる。
By installing the base member in the insulation material, the base member becomes hotter than the monolithic refractory material due to preheating of the side weir or heating during thin plate casting, and the difference in thermal expansion causes the base member to be compressed. Since force is applied, even if a crack occurs in the base member due to thermal stress caused by repeated heating, it will not open. Therefore, it is possible to prevent molten metal from pouring (invading into cracks) during thin sheet casting.
第１図ａ，ｂは本考案の一実施例であるサイド
堰の正面図及び断面図、第２図ａ，ｂは従来装置
の一例を示す概略破断正面図及び側面図である。
Ａ：サイド堰、Ｂ：冷却ドラム、１：当板、
２：当板、３：ベース材、４：ケース、５：断熱
材、６：ヒータ。
1A and 1B are a front view and a sectional view of a side weir which is an embodiment of the present invention, and FIGS. 2A and 2B are a schematic cutaway front view and a side view showing an example of a conventional device. A: Side weir, B: Cooling drum, 1: Plate,
2: Plate, 3: Base material, 4: Case, 5: Insulation material, 6: Heater.
Claims (1)
溜り部へ溶融金属を連続的に供給し、板状に凝固
させて薄板を連続鋳造する装置のサイド堰におい
て、ケースに収容された不定形耐火物と、該不定
形耐火物に植設されたベース部材と、該ベース部
材に対して前記冷却ドラムの端面と摺接する位置
に植設されたセラミツクス当板と、前記ベース部
材に埋設されたヒータとからなることを特徴とす
る薄板連続鋳造装置のサイド堰。 In the side weir of a device that continuously supplies molten metal to a pool consisting of a pair of cooling drums and a side weir, solidifies it into a plate shape, and continuously casts a thin plate, a monolithic refractory housed in a case and , a base member embedded in the monolithic refractory, a ceramic contact plate embedded in the base member at a position in sliding contact with the end surface of the cooling drum, and a heater embedded in the base member. A side weir of a thin plate continuous casting machine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18613686U JPH0344363Y2 (en) | 1986-12-04 | 1986-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18613686U JPH0344363Y2 (en) | 1986-12-04 | 1986-12-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6390548U JPS6390548U (en) | 1988-06-11 |
| JPH0344363Y2 true JPH0344363Y2 (en) | 1991-09-18 |
Family
ID=31135415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18613686U Expired JPH0344363Y2 (en) | 1986-12-04 | 1986-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344363Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2925843B2 (en) * | 1992-07-02 | 1999-07-28 | 日立造船株式会社 | Roll sliding contact structure of twin roll continuous casting equipment |
| FR2787360B1 (en) * | 1998-12-21 | 2001-02-02 | Usinor | SIDE SIDE FOR CONTINUOUS CASTING INSTALLATION OF METAL STRIPS |
-
1986
- 1986-12-04 JP JP18613686U patent/JPH0344363Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6390548U (en) | 1988-06-11 |
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