CN101439393A - Compound casting device and process of continuous casting machine - Google Patents

Compound casting device and process of continuous casting machine Download PDF

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Publication number
CN101439393A
CN101439393A CNA2008102326946A CN200810232694A CN101439393A CN 101439393 A CN101439393 A CN 101439393A CN A2008102326946 A CNA2008102326946 A CN A2008102326946A CN 200810232694 A CN200810232694 A CN 200810232694A CN 101439393 A CN101439393 A CN 101439393A
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crystallizer
water tank
copper coin
last
steel
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CN101439393B (en
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雷华
杨拉道
赵敏
刘赵卫
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China National Heavy Machinery Research Institute Co Ltd
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CHINA HEAVY MACHINERY INSTITUTE
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Abstract

The invention relates to the metallurgical industry continuous casting field and provides a continuous casting machine composite casting device and a technology that two different metals are respectively distributed inside and outside a continuous casting blank. The invention is characterized in that the continuous casting machine composite casting device comprises an upper crystallizer, a lower steel casting system (9), a lower crystallizer and a dummy ingot; the inside of the upper crystallizer and the inside of the lower crystallizer are respectively provided with an inner cavity; the inner cavity of the lower crystallizer is larger than the inner cavity of the upper crystallizer; the inner cavity of the lower crystallizer is same as the lower steel casting system; the shape and the size of a carbon steel billet core of a composite casting blank are determined by the inner cavity of the upper crystallizer; the final shape and the size of the composite casting blank are determined by the inner cavity of the lower crystallizer; and the difference of the sections of the inner cavities of the upper crystallizer and the lower crystallizer is a stainless steel layer of the composite casting blank. The continuous casting machine composite casting technology is carried out by six steps of cast starting technology and cast stopping technology. The composite casting blank is rolled and made into composite plates of different specifications according to the requirement, and the composite plates not only have good mechanical performance but also have the function of rust prevention and nice appearance.

Description

Conticaster composite casting device and technology
Technical field
The present invention relates to metallurgy industry continuous casting field, is conticaster composite casting device and technology that two kinds of different metals are distributed in the inside and outside position of continuous billet casting respectively.
Background technology
Continuous casting is a maturation process technology of directly motlten metal being made blank.The tradition continuous casting technology can only be produced single metal stock.Because in use relatively there is the problem that bad mechanical property, price are higher, easily get rusty in single metal base with compound casting, to the demand of compound strand is increasing new requirement proposed in industrial production and the daily life.
Summary of the invention
The purpose of this invention is to provide a kind of inside is carbon steel, is the conticaster composite casting device and the technology of the continuous casting steel billet of stainless composite material all around.
The object of the present invention is achieved like this, conticaster composite casting device, it is characterized in that: comprise crystallizer, water steel system, down crystallizer, dummy ingot four parts down, last crystallizer by last outer wide water tank, go up outer wide copper coin, go up inner width face water tank, go up inner width face copper coin, go up right narrow copper plate, go up right leptoprosopy water tank, go up left leptoprosopy water tank, go up left narrow copper plate and form, the going up outer wide copper coin, go up inner width face copper coin, go up right narrow copper plate and go up the last inner chamber that left narrow copper plate forms of last crystallizer, formation can be born the base shell of external force such as metallic solution static pressure; Go up outer wide water tank, go up inner width face water tank, go up right leptoprosopy water tank 6 and go up left leptoprosopy water tank and be distributed in outside the inner chamber; The bottom crystallizer is by inner width face water tank, following inner width face copper coin, following outer wide copper coin, down outer wide water tank, bottom left leptoprosopy water tank, bottom left narrow copper plate, bottom right narrow copper plate, bottom right leptoprosopy water tank are formed down; Inner the same crystallizer equally forms an inner chamber; The lower chamber that following inner width face copper coin, following outer wide copper coin, bottom left narrow copper plate and bottom right narrow copper plate form; Following inner width face water tank, down outer wide water tank, bottom left leptoprosopy water tank and bottom right leptoprosopy water tank are distributed in outside the lower inner cavity; Following crystallizer internal cavity is bigger than last crystallizer, following crystallizer internal cavity with under to water the steel system identical, last crystallizer internal cavity determines the carbon steel base core shape and the size of compound strand, following crystallizer internal cavity determines the net shape and the size of compound strand, and the difference in crystallizer internal cavity cross section is exactly the stainless steel layer of compound strand up and down;
Described crystallizer lower end down has sufficient roller that slab is play the guiding role.
The described difference in crystallizer internal cavity cross section up and down is the stainless steel layer thickness of compound strand.
Between described water tank and its corresponding copper coin the water flowing cooling bath is arranged all, mobile cooling water is arranged in the water tank.
The leptoprosopy water tank belt narrow copper plate and can be moved within the specific limits up and down, to regulate the strand width of required cast; Dummy ingot is made up of dummy bar head, begins casting and be to be used for stopping up up and down the crystallizer internal cavity biscuit fire inner chamber that coordinates, partly form base shell in biscuit fire with certain intensity after, finish to open by the downward throwing of dummy ingot effect and water.
The conticaster compound casting technique, it is characterized in that: the first step, dummy bar head is delivered to position between the copper coin up and down, the gap of filling dummy bar head and forming between copper coin up and down with filler, on the one hand molten liquid steel is not merged with dummy bar head and protect dummy bar head, prevent that on the other hand epicoele from flowing into bottom stainless steel spout, prevent that simultaneously molten metal bath is from dummy bar head and the outflow of the slit between copper coin up and down, cause device damage, influence is opened and is watered realization;
In second step, go up the cavity injection carbon steel fused solution that copper coin forms to the left and right;
In the 3rd step, when dummy bar head began to move down, beginning poured into stainless steel steel fused solution at the stainless molten steel sprue gate in the copper coin outside up and down;
The 4th step when dummy bar head begins to move down, began to inject the stainless steel fused solution, entered the ordinary production operation when dummy bar head arrives after taking off ingot after taking off the ingot position;
In the 5th step, stop pouring technique: stop the injection of metal melting molten steel;
In the 6th step, the throwing tail makes the molten steel that remains in the stainless steel storage pool flow into the base tail end fully, and condenses with it.
Advantage of the present invention is: liquid carbon steel Metal Melting smelting is through outer wide the copper coin 2 of going up of last crystallizer, last inner width face copper coin 4, after going up the last inner chamber of right narrow copper plate 5 and 8 formation of last left narrow copper plate, form around the smelting of liquid carbon steel Metal Melting and can bear the base shell of external force such as certain metallic solution static pressure, along with moving down continuously of this part, when arriving subordinate's inner width face copper coin 11 down, down outer wide copper coin 13, during lower chamber that bottom left narrow copper plate 16 and bottom right narrow copper plate 17 forms, carbon steel base shell is surrounded by the rust of filling all around steel solution, and passing through the water cooling of crystallizer down, the stainless steel solution around making closes with the carbon steel base shell melting of inside and is set in.Along with strand continue move down, through constantly spraying the cooling of cooling water, strand is cooled off gradually, and forms " stainless steel and carbon steel " compound strand finished product through cutting to casting billet surface.The rolling as required formation different size of compound strand composite board, the existing favorable mechanical performance of composite board has antirust aesthetic function again.
Description of drawings
The invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is an embodiment of the invention structural representation;
Fig. 2 is that Fig. 1 rotates 90 degree direction working state schematic representations;
Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 are conticaster compound casting technique different step procedure declaration figure.
Among the figure: 1, go up outer wide water tank; 2, go up outer wide copper coin; 3, go up inner width face water tank; 4, go up inner width face copper coin; 5, go up right narrow copper plate; 6, go up right leptoprosopy water tank; 7, go up left leptoprosopy water tank; 8, go up left narrow copper plate; 9, water the steel system down; 10, following inner width face water tank; 11, following inner width face copper coin; 12, sufficient roller; 13, down outer wide copper coin; 14, down outer wide water tank; 15, bottom left leptoprosopy water tank; 16, bottom left narrow copper plate; 17, bottom right narrow copper plate; 18, bottom right leptoprosopy water tank; 19, dummy ingot.
The specific embodiment
As depicted in figs. 1 and 2, comprise crystallizer, water steel system 9, down crystallizer, dummy ingot four parts down, last crystallizer by last outer wide water tank 1, go up outer wide copper coin 2, go up inner width face water tank 3, go up inner width face copper coin 4, go up right narrow copper plate 5, go up right leptoprosopy water tank 6, go up left leptoprosopy water tank 7, go up left narrow copper plate 8 and form, the going up outer wide copper coin 2, go up inner width face copper coin 4, go up right narrow copper plate 5 and go up the last inner chamber that left narrow copper plate 8 forms of last crystallizer, formation can be born the base shell of external force such as metallic solution static pressure; Go up outer wide water tank 1, go up inner width face water tank 3, go up right leptoprosopy water tank 6 and go up left leptoprosopy water tank 7 and be distributed in outside the inner chamber; The bottom crystallizer is by following inner width face water tank 10, inner width face copper coin 11, outer wide copper coin 13, outer wide water tank 14, bottom left leptoprosopy water tank 15, bottom left narrow copper plate 16, bottom right narrow copper plate 17, bottom right leptoprosopy water tank 18 down down down; Inner the same crystallizer equally forms an inner chamber; The lower chamber that following inner width face copper coin 11, following outer wide copper coin 13, bottom left narrow copper plate 16 and bottom right narrow copper plate 17 form.Following inner width face water tank 10, down outer wide water tank 14, bottom left leptoprosopy water tank 15 and bottom right leptoprosopy water tank 18 are distributed in outside the lower inner cavity; Following crystallizer internal cavity is bigger than last crystallizer, following crystallizer internal cavity with under to water the steel system identical, last crystallizer internal cavity determines the carbon steel base core shape and the size of compound strand, following crystallizer internal cavity determines the net shape and the size of compound strand, and the difference in crystallizer internal cavity cross section is exactly the stainless steel layer thickness of compound strand up and down.Following crystallizer lower end has 12 pairs of slabs of sufficient roller to play the guiding role.
Go up outer wide water tank 1 and last outer wide copper coin 2, go up inner width face water tank 3 and last inner width face copper coin 4, go up right narrow copper plate 5 and last right leptoprosopy water tank 6 and reach upward that left leptoprosopy water tank 7 and 8 of last left narrow copper plates all have the water flowing cooling bath, mobile cooling water is arranged in the water tank.
The leptoprosopy water tank belt narrow copper plate and can be moved within the specific limits up and down, to regulate the strand width of required cast; Dummy ingot is made up of dummy bar head 19 grades, begins casting and be to be used for stopping up up and down the crystallizer internal cavity biscuit fire inner chamber that coordinates, partly form base shell in biscuit fire with certain intensity after, finish to open by the downward throwing of dummy ingot effect and water.
During work, the smelting of liquid carbon steel Metal Melting is through outer wide the copper coin 2 of going up of last crystallizer, last inner width face copper coin 4, after going up the last inner chamber of right narrow copper plate 5 and 8 formation of last left narrow copper plate, form around the smelting of liquid carbon steel Metal Melting and can bear the base shell of external force such as certain metallic solution static pressure, along with moving down continuously of this part, when arriving subordinate's inner width face copper coin 11 down, down outer wide copper coin 13, during lower chamber that bottom left narrow copper plate 16 and bottom right narrow copper plate 17 forms, carbon steel base shell is surrounded by the rust of filling all around steel solution, and passing through the water cooling of crystallizer down, the stainless steel solution around making closes with the carbon steel base shell melting of inside and is set in.Along with strand continue move down, through constantly spraying the cooling of cooling water, strand is cooled off gradually, and forms " stainless steel and carbon steel " compound strand finished product through cutting to casting billet surface.。
When the molten steel of crystallizer internal cavity, the cooling water of copper coin of flowing through is delivered to cooling water in the heat transferred copper coin tank on the copper coin with molten steel, along with cooling water is taken away heat from the outflow of water tank outlet, thereby make the molten liquid steel that contact with copper coin solidify formation base shell.
Last copper coin will be in the cooling water in the copper coin tank on the heat transferred of the carbon steel liquation in the cavity that copper coin forms, solidify formation carbon steel base shell around making the carbon steel fused solution that is in this position, cooling water under the heat transferred of the stainless steel fused solution under following copper coin will be between copper coin and carbon steel base shell in the copper coin tank, the stainless steel at this position is solidified, form the compound base shell that stainless steel and carbon steel merge.
Open pouring technique:
The first step as shown in Figure 3; dummy bar head is delivered to position between the copper coin up and down; the gap of filling dummy bar head and forming between copper coin up and down with filler; on the one hand molten liquid steel is not merged with dummy bar head and protect dummy bar head; prevent that on the other hand epicoele from flowing into bottom stainless steel spout; prevent that simultaneously molten metal bath from from dummy bar head and the outflow of the slit between copper coin up and down, causing device damage, influence is opened and is watered realization.
Second step was gone up the cavity injection carbon steel fused solution that copper coin forms to the left and right as shown in Figure 4.
The 3rd step, when dummy bar head began to move down, beginning poured into stainless steel steel fused solution at the stainless molten steel sprue gate in the copper coin outside up and down as shown in Figure 5.
The 4th step when dummy bar head begins to move down, began to inject the stainless steel fused solution as shown in Figure 6 and Figure 7, entered the ordinary production operation when dummy bar head arrives after taking off ingot after taking off the ingot position.
Stop pouring technique:
The 5th step is as Fig. 8 and shown in Figure 9. stop the injection of metal melting molten steel.
The throwing tail made the molten steel that remains in the stainless steel storage pool flow into the base tail end fully, and condensed with it as shown in figure 10 the 6th step.
The 7th step was pulled out the base tail as shown in figure 11.
The rolling as required formation different size of compound strand composite board, the existing favorable mechanical performance of composite board has antirust aesthetic function again.

Claims (5)

1, conticaster composite casting device, it is characterized in that: comprise crystallizer, under water steel system (9), following crystallizer, dummy ingot four parts, last crystallizer is by last outer wide water tank (1), go up outer wide copper coin (2), last inner width face water tank (3), last inner width face copper coin (4), go up right narrow copper plate (5), go up right leptoprosopy water tank (6), go up left leptoprosopy water tank (7), going up left narrow copper plate (8) forms, upward outer wide the copper coin (2) of last crystallizer, last inner width face copper coin (4), go up the last inner chamber that right narrow copper plate (5) and last left narrow copper plate (8) form, formation can be born the base shell of external force such as metallic solution static pressure; Last outer wide water tank (1), last inner width face water tank (3), last right leptoprosopy water tank (6) and last left leptoprosopy water tank (7) are distributed in outside the inner chamber; The bottom crystallizer is by inner width face water tank (10), following inner width face copper coin (11), down outer wide copper coin (13), down outer wide water tank (14), bottom left leptoprosopy water tank (15), bottom left narrow copper plate (16), bottom right narrow copper plate (17), bottom right leptoprosopy water tank (18) are formed down; Inner the same crystallizer equally forms an inner chamber; The lower chamber that following inner width face copper coin (11), down outer wide copper coin (13), bottom left narrow copper plate (16) and bottom right narrow copper plate (17) form; Following inner width face water tank (10), down outer wide water tank (14), bottom left leptoprosopy water tank (15) and bottom right leptoprosopy water tank (18) are distributed in outside the lower inner cavity; Following crystallizer internal cavity is bigger than last crystallizer, following crystallizer internal cavity with under to water the steel system identical, last crystallizer internal cavity determines the carbon steel base core shape and the size of compound strand, following crystallizer internal cavity determines the net shape and the size of compound strand, and the difference in crystallizer internal cavity cross section is exactly the stainless steel layer of compound strand up and down.
2, conticaster composite casting device according to claim 1 is characterized in that: described crystallizer lower end down has sufficient roller (12) that slab is play the guiding role.
3, root will the described conticaster composite casting of claim 1 device, it is characterized in that: the described difference in crystallizer internal cavity cross section up and down is the stainless steel layer thickness of compound strand.
4, conticaster composite casting device according to claim 1 is characterized in that: between described water tank and its corresponding copper coin the water flowing cooling bath is arranged all, mobile cooling water is arranged in the water tank.
5, conticaster compound casting technique, it is characterized in that: the first step, dummy bar head is delivered to position between the copper coin up and down, the gap of filling dummy bar head and forming between copper coin up and down with filler, on the one hand molten liquid steel is not merged with dummy bar head and protect dummy bar head, prevent that on the other hand epicoele from flowing into bottom stainless steel spout, prevent that simultaneously molten metal bath is from dummy bar head and the outflow of the slit between copper coin up and down, cause device damage, influence is opened and is watered realization;
In second step, go up the cavity injection carbon steel fused solution that copper coin forms to the left and right;
In the 3rd step, when dummy bar head began to move down, beginning poured into stainless steel steel fused solution at the stainless molten steel sprue gate in the copper coin outside up and down;
The 4th step when dummy bar head begins to move down, began to inject the stainless steel fused solution, entered the ordinary production operation when dummy bar head arrives after taking off ingot after taking off the ingot position;
In the 5th step, stop pouring technique: stop the injection of metal melting molten steel;
In the 6th step, the throwing tail makes the molten steel that remains in the stainless steel storage pool flow into the base tail end fully, and condenses with it.
CN200810232694A 2008-12-29 2008-12-29 Compound casting device and process of continuous casting machine Expired - Fee Related CN101439393B (en)

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CN101439393B CN101439393B (en) 2012-09-05

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120255A (en) * 2010-12-30 2011-07-13 中国第一重型机械股份公司 Manufacturing equipment of laminated composite steel plate and working method thereof
CN102179494A (en) * 2011-04-21 2011-09-14 东北大学 Continuous casting method and device for aluminum alloy compounded ingot
CN105478701A (en) * 2015-12-21 2016-04-13 北京首钢自动化信息技术有限公司 Automatic pouring stopping control method for double-flow plate blank
CN113770319A (en) * 2021-07-26 2021-12-10 北京科技大学 Composite dummy bar and method for stainless steel coated carbon steel liquid-solid composite continuous casting
CN117300085A (en) * 2023-10-11 2023-12-29 清远楚江高精铜带有限公司 Forming die, drawing and casting forming equipment and use method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100464881C (en) * 2005-03-21 2009-03-04 孙恩波 Continuous casting continuous rolling composite metal board and its production method
CN2853231Y (en) * 2005-12-27 2007-01-03 宝山钢铁股份有限公司 Metal continuous casting crystallizer of compatible of thin slab and conventional thickness slab
CN100999012A (en) * 2006-01-10 2007-07-18 李铁铎 Continuous casting machine for stainless steel seamless composite hollow pipe blank
CN201324816Y (en) * 2008-12-29 2009-10-14 中国重型机械研究院 Composite pouring device of continuous caster

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120255A (en) * 2010-12-30 2011-07-13 中国第一重型机械股份公司 Manufacturing equipment of laminated composite steel plate and working method thereof
CN102179494A (en) * 2011-04-21 2011-09-14 东北大学 Continuous casting method and device for aluminum alloy compounded ingot
CN105478701A (en) * 2015-12-21 2016-04-13 北京首钢自动化信息技术有限公司 Automatic pouring stopping control method for double-flow plate blank
CN113770319A (en) * 2021-07-26 2021-12-10 北京科技大学 Composite dummy bar and method for stainless steel coated carbon steel liquid-solid composite continuous casting
CN113770319B (en) * 2021-07-26 2023-03-10 北京科技大学 Composite dummy bar and method for stainless steel coated carbon steel liquid-solid composite continuous casting
CN117300085A (en) * 2023-10-11 2023-12-29 清远楚江高精铜带有限公司 Forming die, drawing and casting forming equipment and use method

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