JPH04187344A - Mold for continuous casting - Google Patents
Mold for continuous castingInfo
- Publication number
- JPH04187344A JPH04187344A JP31507390A JP31507390A JPH04187344A JP H04187344 A JPH04187344 A JP H04187344A JP 31507390 A JP31507390 A JP 31507390A JP 31507390 A JP31507390 A JP 31507390A JP H04187344 A JPH04187344 A JP H04187344A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- graphite mold
- contact area
- water
- cast slab
- 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
- 238000009749 continuous casting Methods 0.000 title claims description 15
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 44
- 239000010439 graphite Substances 0.000 claims abstract description 44
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 30
- 238000009826 distribution Methods 0.000 abstract description 14
- 239000000498 cooling water Substances 0.000 abstract description 8
- 238000005266 casting Methods 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、銅系の金属材料の連続鋳造用鋳型に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a mold for continuous casting of copper-based metal materials.
第２図（、）は従来の銅系の金属材料の連続鋳造用鋳型
の一部を切欠いた平面図、（ｂ）はそのＡ−Ａ断面図で
ある。FIG. 2(,) is a partially cutaway plan view of a conventional continuous casting mold for copper-based metal materials, and FIG. 2(b) is a cross-sectional view taken along line A-A.
図において、（１）は溶湯と直接に接する黒鉛鋳型で、
上下に２分割され、中間部に鋳塊形成穴（２）を有する
。（３）は黒鉛鋳型（１）と接触するようにその上下に
設けられた水冷ジャケットで、内部に冷却水路（４）が
均一に形成されている。（５）は冷却水路（４）に冷却
水を供給する給水口、（６）は冷却水が排出される排水
口、（７）は黒鉛鋳型（１）と水冷ジャケット（３）を
密着させる締付ボルトで、タップ穴（８）に挿入されて
いる。（９）は鋳型外枠である。In the figure, (1) is the graphite mold that is in direct contact with the molten metal.
It is divided into upper and lower parts, and has an ingot forming hole (2) in the middle part. (3) is a water cooling jacket provided above and below the graphite mold (1) so as to be in contact with it, and cooling channels (4) are uniformly formed inside thereof. (5) is the water supply port that supplies cooling water to the cooling water channel (4), (6) is the drain port from which the cooling water is discharged, and (7) is the fastener that connects the graphite mold (1) and the water cooling jacket (3). It is inserted into the tapped hole (8) with a bolt. (9) is the mold outer frame.
上記の連続鋳造用鋳型は、外枠（９）に具備された耐火
材部分により溶融金属の保持炉（図示せず）と接合され
、黒鉛鋳型（１）の入側より鋳塊形成穴（２）に連続的
に溶湯を導入し、水冷ジャケット（３）の冷却水路（４
）に冷却水を流して、溶湯−黒鉛鋳型（１）−水冷ジャ
ケット（３）−冷却水の伝熱経路を主とする抜熱により
、溶湯を連続的に冷却して凝固させ、鋳塊を形成してい
く。The continuous casting mold described above is connected to a molten metal holding furnace (not shown) by a refractory part provided in the outer frame (9), and the ingot forming hole (2 ), the molten metal is continuously introduced into the cooling channel (4) of the water cooling jacket (3).
), the molten metal is continuously cooled and solidified by heat removal mainly through the heat transfer path of molten metal - graphite mold (1) - water cooling jacket (3) - cooling water, and the ingot is continue to form.
鋳造中においては、保持炉の溶湯温度分布、水冷ジャケ
ット（３）と黒鉛鋳型（１）の伝熱状況等により、黒鉛
鋳型（１）に温度分布が生じ、それによって、鋳塊にも
温度分布が生じる。During casting, a temperature distribution occurs in the graphite mold (1) due to the temperature distribution of the molten metal in the holding furnace, the heat transfer situation between the water cooling jacket (3) and the graphite mold (1), and as a result, a temperature distribution also occurs in the ingot. occurs.
冷却の伝熱分布が適当でなく、鋳塊の温度分布が適切に
なっていない場合には、鋳塊が熱変形を起したり、さら
には鋳塊割れという欠陥の発生につながる。If the cooling heat transfer distribution is not appropriate and the temperature distribution of the ingot is not appropriate, the ingot may be thermally deformed or even defects such as ingot cracking may occur.
従来の連続鋳造用鋳型は以上のように構成されているの
で、鋳塊の幅方向および長手方向の伝熱経路がほぼ一様
となっており、＃塊の温度分布が適切でない場合の鋳塊
変形や鋳塊割れに対しての有効な対策がとれないという
問題点があった。Since the conventional continuous casting mold is configured as described above, the heat transfer path in the width direction and longitudinal direction of the ingot is almost uniform. There was a problem in that no effective measures could be taken against deformation and cracking of the ingot.
この発明は上記のような問題点を解決するためになされ
たもので、鋳塊の温度分布を適切にするため、水冷ジャ
ケットと黒鉛鋳型の伝熱経路を調節し１合金種ごとに鋳
造に適切な黒鉛鋳型の温度分布が達成できる連続鋳造用
鋳型を得ることを目的とする。This invention was made in order to solve the above-mentioned problems. In order to make the temperature distribution of the ingot appropriate, the heat transfer path between the water cooling jacket and the graphite mold is adjusted to make it suitable for casting for each alloy type. The purpose of the present invention is to obtain a continuous casting mold that can achieve a graphite mold temperature distribution.
〔課題を解決するための手段〕
この発明に係る連続鋳造用鋳型は、鋳塊形成穴に溶融金
属を導入し連続的に冷却して鋳塊を形成する黒鉛鋳型と
、この黒鉛鋳型を冷却する水冷ジャケットとからなる連
続鋳造用鋳型において、黒鉛鋳型と水冷ジャケットの接
触面積を不均一に分布させたものである。[Means for Solving the Problems] A continuous casting mold according to the present invention includes a graphite mold that introduces molten metal into an ingot forming hole and continuously cools it to form an ingot, and a graphite mold that cools the graphite mold. In a continuous casting mold consisting of a water-cooled jacket, the contact area between the graphite mold and the water-cooled jacket is unevenly distributed.
本発明において、黒鉛鋳型と水冷ジャケットの接触面積
を不均一に分布させるためには、黒鉛鋳型または（およ
び）水冷ジャケットの接触面に凹凸を形成すること、あ
るいは黒鉛鋳型と水冷ジャケットの間に凹凸または貫通
穴を有する接触面積調整板を配置することなどにより空
隙部を形成することができる。In the present invention, in order to unevenly distribute the contact area between the graphite mold and the water-cooling jacket, it is possible to form unevenness on the contact surface of the graphite mold or (and) the water-cooling jacket, or to form unevenness between the graphite mold and the water-cooling jacket. Alternatively, the gap can be formed by arranging a contact area adjustment plate having through holes.
この発明の連続鋳造用鋳型においては、従来の□ものと
同様に、黒鉛鋳型の鋳塊形成穴に連続的に溶湯を導入し
、水冷ジャケットの冷却水路に冷却水を流して冷却し、
鋳塊を製造する。このとき黒鉛鋳型と水冷ジャケットの
接触面積を不均一に分布させ、接触面積の密の部分では
熱流を大きくし、疎の部分では熱流を小さくし、黒鉛鋳
型の温度分布を調整することにより、鋳造鋳塊の温度分
布を適切なものとし、ｖＩ造での鋳塊変形や鋳塊割れを
防止する。In the continuous casting mold of this invention, like the conventional □ type, molten metal is continuously introduced into the ingot forming hole of the graphite mold, and cooled by flowing cooling water into the cooling channel of the water cooling jacket.
Manufacture ingots. At this time, the contact area between the graphite mold and the water cooling jacket is distributed unevenly, and the heat flow is increased in areas where the contact area is dense, and the heat flow is decreased in areas where the contact area is sparse. By adjusting the temperature distribution of the graphite mold, casting Appropriate temperature distribution of the ingot to prevent ingot deformation and ingot cracking during VI casting.
以下、この発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図（ａ）は実施例の連続鋳造用鋳型における黒鉛鋳
型の平面図、（ｂ）はそのＢ−Ｂ断面図、（ｃ）はＣ−
Ｃ断面図であり１図において、第２図と同一符号は同一
または相当部分を示す、 （１１）は黒鉛鋳型（１）と
水冷ジャケット（３）の接触面積を調整するための接触
面積調整穴で、黒鉛鋳型（１）の水冷ジャケット（３）
との接触面に、溶湯の進行方向に対して不均一に分布す
るように形成されている。FIG. 1(a) is a plan view of the graphite mold in the continuous casting mold of the example, FIG. 1(b) is its BB sectional view, and FIG. 1(c) is the C-
This is a sectional view of C. In Figure 1, the same symbols as in Figure 2 indicate the same or equivalent parts. (11) is a contact area adjustment hole for adjusting the contact area between the graphite mold (1) and the water cooling jacket (3). So, the water cooling jacket (3) of the graphite mold (1)
The molten metal is distributed non-uniformly in the direction of movement of the molten metal on the contact surface with the molten metal.
他の構成は従来のものと同様である。The other configurations are the same as the conventional one.
上記の連続鋳造用鋳型においては、従来のものと同様に
、黒鉛鋳型（１）の鋳塊形成穴（２）に連続的に溶湯を
導入し、水冷ジャケット（３）の冷却水路（４）に冷却
水を流して冷却すると、保持炉がら黒鉛鋳型（１）内に
とり込まれた溶湯は、溶湯−黒鉛鋳型（１）−水冷ジャ
ケット（３）−冷却水という伝熱経路を主とする抜熱に
より、冷却されて凝固し、連続的に鋳塊を形成する。In the continuous casting mold described above, molten metal is continuously introduced into the ingot forming hole (2) of the graphite mold (1), and into the cooling channel (4) of the water cooling jacket (3), as in the conventional mold. When cooled by flowing cooling water, the molten metal taken into the graphite mold (1) from the holding furnace loses heat mainly through the heat transfer path of molten metal - graphite mold (1) - water cooling jacket (3) - cooling water. As a result, it is cooled and solidified to continuously form an ingot.
このとき黒鉛鋳型（１）に形成された接触面積調整穴（
１１）の密度が高い部分では、黒鉛鋳型（１）と水冷ジ
ャケット（３）の間に存在する空気層のため、伝熱が悪
くなり、黒鉛鋳型（１）の温度は高くなる。At this time, contact area adjustment holes (
11), heat transfer is poor due to the air layer existing between the graphite mold (1) and the water cooling jacket (3), and the temperature of the graphite mold (1) becomes high.
また接触面積調整穴（１１）の密度が疎な部分では、黒
鉛鋳型（１）と水冷ジャケット（３）の間の熱交換が効
率よく行われる。In addition, in the portion where the density of the contact area adjustment holes (11) is sparse, heat exchange between the graphite mold (1) and the water cooling jacket (3) is performed efficiently.
一接触面積調整穴（１１）の径、深さ、密度および黒鉛
厚さを適当に調節することにより、一定面積の黒鉛鋳型
（１）の温度を調整し、これにより鋳塊の温度分布を適
切化させ、鋳造中の鋳塊変形、鋳塊割れは防止される。By appropriately adjusting the diameter, depth, density, and graphite thickness of the contact area adjustment hole (11), the temperature of the graphite mold (1) with a certain area can be adjusted, thereby appropriately controlling the temperature distribution of the ingot. This prevents ingot deformation and ingot cracking during casting.
なお、上記実施例では黒鉛鋳型（１）に丸形の接触面積
調整穴（１１）を設けたものを示したが、黒鉛鋳型（１
）の水冷ジャケット（３）との接触面に角形その他の形
状の接触面積調整穴（１１）等により凹凸を付けたもの
、水冷ジャケット（３）の黒鉛鋳型（１）との接触面に
接触面積調整穴（１１）等により凹凸を付けたもの、あ
るいは黒鉛鋳型（１）と水冷ジャケット（３）の間に貫
通穴または凹凸をもった接触面積調整板を配置して接触
面積を調整したものでも、上記実施例と同様の効果を奏
する。In addition, in the above example, the graphite mold (1) was provided with a round contact area adjustment hole (11), but the graphite mold (1)
), the contact surface with the water-cooling jacket (3) has irregularities such as contact area adjustment holes (11) of square or other shapes, and the contact surface of the water-cooling jacket (3) with the graphite mold (1) has an uneven surface. The contact area may be adjusted by placing unevenness with adjustment holes (11), etc., or by placing a contact area adjustment plate with through holes or unevenness between the graphite mold (1) and the water cooling jacket (3). , the same effect as the above embodiment is achieved.
以上のように、この発明によれば、黒鉛鋳型と水冷ジャ
ケットの接触面積を不均一に分布させ、黒鉛鋳型の温度
分布を適当に調整できるようにしたので、安価にかつ手
軽に鋳塊の温度分布を適切なものとし、鋳造中の鋳塊の
変形や割れを防止することができる。As described above, according to the present invention, the contact area between the graphite mold and the water cooling jacket is distributed non-uniformly, and the temperature distribution of the graphite mold can be appropriately adjusted. By making the distribution appropriate, deformation and cracking of the ingot during casting can be prevented.
第１図（ａ）はこの発明の一実施例による連続鋳造用鋳
型の黒鉛鋳型を示す平面図、（ｂ）はそのＢ−Ｂ断面図
、（Ｃ）はＣ−Ｃ断面図、第２図（ａ）は従来の連続鋳
造用鋳型の一部を切欠いた平面図、（ｂ）はそのＡ−Ａ
断面図である。
各図中、同一符号は同一または相当部分を示し、（１）
は黒鉛鋳型、（２）は鋳塊形成穴、（３）は水冷ジャケ
ット、（４）は冷却水路、（５）は給水口、（６）は排
水口、（７）は締付ボルト、（８）はタップ穴、（９）
は鋳型外枠、 （１１）は接触面積調整穴である。FIG. 1(a) is a plan view showing a graphite mold for continuous casting according to an embodiment of the present invention, FIG. 1(b) is a sectional view taken along line B-B, and FIG. (a) is a partially cutaway plan view of a conventional continuous casting mold, and (b) is its A-A
FIG. In each figure, the same reference numerals indicate the same or corresponding parts, (1)
is a graphite mold, (2) is an ingot forming hole, (3) is a water cooling jacket, (4) is a cooling channel, (5) is a water supply port, (6) is a drain port, (7) is a tightening bolt, ( 8) is a tapped hole, (9)
is the mold outer frame, and (11) is the contact area adjustment hole.
Claims (1)
鋳塊を形成する黒鉛鋳型と、この黒鉛鋳型を冷却する水
冷ジャケットとからなる連続鋳造用鋳型において、黒鉛
鋳型と水冷ジャケットの接触面積を不均一に分布させた
ことを特徴とする連続鋳造用鋳型。(1) In a continuous casting mold consisting of a graphite mold that introduces molten metal into an ingot forming hole and continuously cools it to form an ingot, and a water cooling jacket that cools this graphite mold, the graphite mold and the water cooling jacket A continuous casting mold characterized by having a non-uniformly distributed contact area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31507390A JPH04187344A (en) | 1990-11-20 | 1990-11-20 | Mold for continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31507390A JPH04187344A (en) | 1990-11-20 | 1990-11-20 | Mold for continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04187344A true JPH04187344A (en) | 1992-07-06 |
Family
ID=18061094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31507390A Pending JPH04187344A (en) | 1990-11-20 | 1990-11-20 | Mold for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04187344A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5797444A (en) * | 1995-03-08 | 1998-08-25 | Km Europa Metal Aktiengesellschaft | Ingot mold for the continuous casting of metals |
| JP2010253554A (en) * | 2009-03-31 | 2010-11-11 | Kobe Steel Ltd | Continuous casting mold and horizontal continuous casting method |
| CN102847889A (en) * | 2012-09-03 | 2013-01-02 | 西峡龙成特种材料有限公司 | Die casting crystallizer with barrel structure |
-
1990
- 1990-11-20 JP JP31507390A patent/JPH04187344A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5797444A (en) * | 1995-03-08 | 1998-08-25 | Km Europa Metal Aktiengesellschaft | Ingot mold for the continuous casting of metals |
| JP2010253554A (en) * | 2009-03-31 | 2010-11-11 | Kobe Steel Ltd | Continuous casting mold and horizontal continuous casting method |
| CN102847889A (en) * | 2012-09-03 | 2013-01-02 | 西峡龙成特种材料有限公司 | Die casting crystallizer with barrel structure |
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