CN104511578A - Vertical semi-continuous casting machine crystallizer cooling device - Google Patents
Vertical semi-continuous casting machine crystallizer cooling device Download PDFInfo
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- CN104511578A CN104511578A CN201310467712.XA CN201310467712A CN104511578A CN 104511578 A CN104511578 A CN 104511578A CN 201310467712 A CN201310467712 A CN 201310467712A CN 104511578 A CN104511578 A CN 104511578A
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- crystallizer
- overcoat
- cooling water
- casting machine
- cooling device
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Abstract
The invention discloses a vertical semi-continuous casting machine crystallizer cooling device. The vertical semi-continuous casting machine crystallizer cooling device comprises an outer sleeve which sleeves a crystallizer; the upper end of the outer sleeve is connected with the crystallizer through an upper flange; the lower end of the outer sleeve is connected with the crystallizer through a lower flange; a heat exchange chamber is formed between the inner wall of the outer sleeve and the outer wall of the crystallizer; a first cooling water return chamber, a first cooling water inlet chamber and a second cooling water inlet chamber which are communicated with the outside are formed on the outer chamber from top to bottom in turn; the lower portion of the outer sleeve is provided with a bottom communication opening which is communicated with the bottom of the heat exchange chamber; the upper portion of the outer sleeve is provided with a top communication opening which is communicated with the top of the heat exchange chamber; the lower flange is provided with a water injection hole which is communicated with the second cooling water inlet chamber. According to the vertical semi-continuous casting machine crystallizer cooling device, the problems that the crystallization quality of casting products is affected due to the facts that the heat exchange area is small, the heat exchange effect is poor, and the difference of the cooling water temperature transition is large in the traditional crystallizer cooling device are solved and meanwhile the primary cooling water can be used after cooling and accordingly the cost is greatly reduced.
Description
Technical field
The invention belongs to metallurgy industry technical field, specifically relate to a kind of vertical semi-continuous casting machine crystallizer cooling device.
Background technology
Traditional vertical semi-continuous casting machine crystallizer cooling device forms (as shown in Figure 1) primarily of overcoat 3, upper flange 8 and air ring 18, the type of cooling is that the first cooling water enters A chamber, through heat exchange chamber 6, flowed out by the lower port of crystallizer 5, realize once cooling; Second cooling water enters the B chamber of air ring, sprays, realize cooling twice directly to the solid-state product 1 be positioned at below liquid-solid phase goods 4.
This traditional crystallizer cooling device, causes the direction contrary (as shown in Figure 2) of the thermograde of the first cooling water and the thermograde of cast article (cast article is made up of liquid product 7, liquid-solid phase goods 4 and solid-state product 1).In cast article, the temperature of liquid product 7 is the highest, and the temperature of cooling water is minimum, and the two temperature difference is maximum; The temperature of solid-state product 1 reduces, and the temperature of cooling water raises, and the two temperature difference is minimum.Such heat exchanging process carries out in crystallizer height dimension whole process, but in crystallizer lower end heat exchange effect difference (as shown in Figure 3), heat exchange area is little, and cooling procedure is uneven carries out.
The entrance of primary cooling water is on the top of crystallizer, the entrance of secondary cooling water is in the bottom of crystallizer, there is the primary cooling water that temperature is higher and the very low secondary cooling water of temperature in such solid-state product 1 in the below of crystallizer simultaneously, the solid-state product 1 cooling water temperature transition difference in this interval is large, has a great impact the quality crystalline of cast article.
Primary cooling water directly discharges, and need after filtration, just can reuse after clean, cooling, cost is high.Therefore, traditional crystallizer cooling device is badly in need of improving.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of vertical semi-continuous casting machine crystallizer cooling device is provided, simple, the reasonable in design and good cooling results of its structure, efficiently solve the problem that heat exchange area is little, cooling procedure is uneven, heat exchange effect is poor, cooling water temperature transition difference affects greatly castings crystallization quality that traditional crystallizer cooling device exists, primary cooling water can use after supercooling simultaneously, greatly reduces cost.
For achieving the above object, the technical solution used in the present invention is: a kind of vertical semi-continuous casting machine crystallizer cooling device, it is characterized in that: comprise the overcoat be enclosed within outside crystallizer, the upper end of described overcoat is connected with crystallizer by upper flange, described upper flange is enclosed within the upper end of crystallizer, the lower end of described overcoat is connected with crystallizer by lower flange, described lower flange is arranged between overcoat and crystallizer, heat exchange chamber is formed between the inwall of described overcoat and the outer wall of crystallizer, the the first cooling water backwater cavity being disposed with and communicating with the external world is put from top to bottom outside described, first cooling water intake antrum and the second cooling water intake antrum, the bottom of described overcoat has and the bottom connected entrance communicated bottom heat exchange chamber, the top of described overcoat has the top connected entrance communicated with heat exchange chamber top, described lower flange has the hole for water spraying communicated with the second cooling water intake antrum.
Above-mentioned a kind of vertical semi-continuous casting machine crystallizer cooling device, is characterized in that: the top of described overcoat is provided with the safety valve communicated with the first cooling water backwater cavity.
Above-mentioned a kind of vertical semi-continuous casting machine crystallizer cooling device, it is characterized in that: the shape of described overcoat is approximate hollow cylinder, the quantity of described bottom connected entrance and top connected entrance is multiple, multiple described bottoms connected entrance is evenly arranged on the bottom one week of overcoat, and multiple described tops connected entrance is evenly arranged on the top one week of overcoat.
Above-mentioned a kind of vertical semi-continuous casting machine crystallizer cooling device, it is characterized in that: described lower flange is circular flange, the quantity of described hole for water spraying is multiple, multiple described hole for water spraying is evenly arranged on one week of lower flange, and described hole for water spraying has angle with the lead by the shaping solid-state product of crystallizer and multiple water spray hole rows becomes a complete hydrosphere spraying to solid-state product.
Above-mentioned a kind of vertical semi-continuous casting machine crystallizer cooling device, is characterized in that: described upper flange is fixedly connected with overcoat by bolt.
Above-mentioned a kind of vertical semi-continuous casting machine crystallizer cooling device, is characterized in that: described lower flange is fixedly connected with overcoat by bolt.
The present invention compared with prior art has the following advantages:
1, simple, the reasonable in design and good cooling results of structure of the present invention.
2, heat exchanger effectiveness of the present invention is high, the thermograde of the first cooling water is identical with the direction of the thermograde of cast article, and in cast article, the temperature of liquid product is the highest, first time, the temperature of cooling water was also the highest, and liquid product exists a fixed difference difference with first time cooling water; Solid-state product temperature reduces, the temperature of cooling water is also lower for the first time, also a fixed difference difference is there is in solid articles with first time cooling water, such heat exchanging process whole process in crystallizer height dimension is carried out, a fixed difference difference is all there is in the goods of each scope with first time cooling water, heat exchange effect is greater than traditional mode, and cooling procedure is evenly carried out substantially all the time.
3, between the present invention's first time cooling water and the second cooling water, thermograde transition is little, namely the water inlet locations of cooling water is very near with the water inlet locations of second time cooling water for the first time, cast article is little in the temperature contrast of this interval shower water, heat exchanging process is even, be conducive to the development length shortening liquid cave, reduce and avoid the shrinkage cavity and porosity of inside ingot, crackle to produce, the crystalline quality of foundry goods is high.
4, primary cooling water of the present invention is still clear water after supercooling, so can use after supercooling, greatly reduces cost.
Below by drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional vertical semicontinuous casting machine crystallizer cooling device.
Fig. 2 is the schematic diagram of the thermograde of the first cooling water and the thermograde of cast article in traditional vertical semicontinuous casting machine crystallizer cooling device mould casting goods process.
Fig. 3 is the schematic diagram of heat exchange effect in traditional vertical semicontinuous casting machine crystallizer cooling device mould casting goods process.
Fig. 4 is the structural representation of vertical semi-continuous casting machine crystallizer cooling device of the present invention.
Fig. 5 is the schematic diagram of the thermograde of the first cooling water and the thermograde of cast article in mould casting goods process of the present invention.
Fig. 6 is the schematic diagram of heat exchange effect in mould casting goods process of the present invention.
Description of reference numerals:
1-solid-state product; 2-lower flange; 3-overcoat;
4-liquid-solid phase goods; 5-crystallizer; 6-heat exchange chamber;
7-liquid product; 8-upper flange; 9-the first cooling water backwater cavity;
10-the first cooling water intake antrum; 11-the second cooling water intake antrum; 12-bottom connected entrance;
13-top connected entrance; 14-hole for water spraying; 15-bolt;
16-bolt; 17-safety valve; 18-air ring.
Detailed description of the invention
As shown in Figure 4, the present invention includes the overcoat 3 be enclosed within outside crystallizer 5, the upper end of described overcoat 3 is connected with crystallizer 5 by upper flange 8, described upper flange 8 is enclosed within the upper end of crystallizer 5, the lower end of described overcoat 3 is connected with crystallizer 5 by lower flange 2, described lower flange 2 is arranged between overcoat 3 and crystallizer 5, heat exchange chamber 6 is formed between the inwall of described overcoat 3 and the outer wall of crystallizer 5, described overcoat 3 is disposed with the first cooling water backwater cavity 9 communicated with the external world from top to bottom, first cooling water intake antrum 10 and the second cooling water intake antrum 11, the bottom of described overcoat 3 has and the bottom connected entrance 12 communicated bottom heat exchange chamber 6, the top of described overcoat 3 has the top connected entrance 13 communicated with heat exchange chamber 6 top, described lower flange 2 has the hole for water spraying 14 communicated with the second cooling water intake antrum 11.
As shown in Figure 4, the top of described overcoat 3 is provided with the safety valve 17 communicated with the first cooling water backwater cavity 9, plays pressure release effect, prevent peril to the first cooling water backwater cavity 9.
As shown in Figure 4, the shape of described overcoat 3 is approximate hollow cylinder, the quantity of described bottom connected entrance 12 and top connected entrance 13 is multiple, multiple described bottoms connected entrance 12 is evenly arranged on the bottom one week of overcoat 3, and multiple described tops connected entrance 13 is evenly arranged on the top one week of overcoat 3; The Homogeneous cooling crystallization to cast article can be realized.
As shown in Figure 4, described lower flange 2 is circular flange, the quantity of described hole for water spraying 14 is multiple, multiple described hole for water spraying 14 is evenly arranged on one week of lower flange 2, described hole for water spraying 14 has angle with the lead by the shaping solid-state product 1 of crystallizer 5 and multiple hole for water spraying 14 row becomes a complete hydrosphere spraying to solid-state product 1, can realize the Homogeneous cooling crystallization to cast article.
As shown in Figure 4, described upper flange 8 is fixedly connected with overcoat 3 by bolt 15, and described lower flange 2 is fixedly connected with overcoat 3 by bolt 16; Connected mode is simple, fixing reliable.
Composition graphs 4, operation principle of the present invention is: the first cooling water enters the first cooling water intake antrum 10, flow into heat exchange chamber 6, crystallizer 5 surrounds and fully carries out heat exchange by uniform first cooling water completely, the hot water that temperature raises flows into the first cooling water backwater cavity 9, then discharged by pipeline, realize a cooling procedure of cast article; The hot water that the temperature of discharging through the first cooling water backwater cavity 9 raises, can direct reuse after supercooling, and need not process, cost is low again.First cooling water enters the second cooling water intake antrum 11, and the lower flange 2 through circle makes cooling water evenly annularly surrounding distribution, then sprays to the solid-state product 1 of crystallization uniformly through hole for water spraying 14, realizes the secondary cooling process of cast article.Heat exchanger effectiveness of the present invention is high, the thermograde of the first cooling water identical with the direction of the thermograde of cast article (as shown in Figure 5), in cast article, the temperature of liquid product 7 is the highest, first time, the temperature of cooling water was also the highest, and liquid product 7 exists a fixed difference difference with first time cooling water; Solid-state product 1 temperature reduces, the temperature of cooling water is also lower for the first time, also a fixed difference difference is there is in solid articles 1 with first time cooling water, such heat exchanging process whole process in crystallizer height dimension is carried out, a fixed difference difference is all there is in the goods of each scope with first time cooling water, heat exchange effect is greater than traditional mode, and cooling procedure is evenly carried out substantially all the time.In addition, first time cooling water and the second cooling water between thermograde transition little, namely first time cooling water water inlet locations very near with the water inlet locations of second time cooling water, cast article is little in the temperature contrast of this interval shower water, heat exchanging process is even, and the crystalline quality of foundry goods is high.In the present invention, as required, can by primary cooling water and secondary cooling water separately supply, primary cooling water is clear water, is directly recovered to clear water reserviors; Secondary cooling water is muddy water, enters muddy water pond through secondary recovery.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (6)
1. a vertical semi-continuous casting machine crystallizer cooling device, it is characterized in that: comprise and be enclosed within crystallizer (5) overcoat outward (3), the upper end of described overcoat (3) is connected with crystallizer (5) by upper flange (8), described upper flange (8) is enclosed within the upper end of crystallizer (5), the lower end of described overcoat (3) is connected with crystallizer (5) by lower flange (2), described lower flange (2) is arranged between overcoat (3) and crystallizer (5), heat exchange chamber (6) is formed between the inwall of described overcoat (3) and the outer wall of crystallizer (5), described overcoat (3) is disposed with the first cooling water backwater cavity (9) communicated with the external world from top to bottom, first cooling water intake antrum (10) and the second cooling water intake antrum (11), the bottom of described overcoat (3) has the bottom connected entrance (12) communicated with heat exchange chamber (6) bottom, the top of described overcoat (3) has the top connected entrance (13) communicated with heat exchange chamber (6) top, described lower flange (2) has the hole for water spraying (14) communicated with the second cooling water intake antrum (11).
2. according to a kind of vertical semi-continuous casting machine crystallizer cooling device according to claim 1, it is characterized in that: the top of described overcoat (3) is provided with the safety valve (17) communicated with the first cooling water backwater cavity (9).
3. according to a kind of vertical semi-continuous casting machine crystallizer cooling device described in claim 1 or 2, it is characterized in that: the shape of described overcoat (3) is approximate hollow cylinder, the quantity of described bottom connected entrance (12) and top connected entrance (13) is multiple, multiple described bottom connected entrance (12) is evenly arranged on the bottom one week of overcoat (3), and multiple described top connected entrance (13) is evenly arranged on the top one week of overcoat (3).
4. according to a kind of vertical semi-continuous casting machine crystallizer cooling device described in claim 1 or 2, it is characterized in that: described lower flange (2) is circular flange, the quantity of described hole for water spraying (14) is multiple, multiple described hole for water spraying (14) is evenly arranged on one week of lower flange (2), and described hole for water spraying (14) has angle with the lead by the shaping solid-state product (1) of crystallizer (5) and multiple hole for water spraying (14) goes into a complete hydrosphere spraying to solid-state product (1).
5., according to a kind of vertical semi-continuous casting machine crystallizer cooling device described in claim 1 or 2, it is characterized in that: described upper flange (8) is fixedly connected with overcoat (3) by bolt (15).
6., according to a kind of vertical semi-continuous casting machine crystallizer cooling device described in claim 1 or 2, it is characterized in that: described lower flange (2) is fixedly connected with overcoat (3) by bolt (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467712.XA CN104511578A (en) | 2013-09-30 | 2013-09-30 | Vertical semi-continuous casting machine crystallizer cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467712.XA CN104511578A (en) | 2013-09-30 | 2013-09-30 | Vertical semi-continuous casting machine crystallizer cooling device |
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| Publication Number | Publication Date |
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| CN104511578A true CN104511578A (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310467712.XA Pending CN104511578A (en) | 2013-09-30 | 2013-09-30 | Vertical semi-continuous casting machine crystallizer cooling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548839A (en) * | 2019-09-04 | 2019-12-10 | 中冶南方连铸技术工程有限责任公司 | forced cooling crystallizer for slab continuous casting |
| CN111545715A (en) * | 2019-02-12 | 2020-08-18 | 株式会社神户制钢所 | Continuous casting mold, continuous casting device, and continuous casting method |
| CN116140565A (en) * | 2022-12-27 | 2023-05-23 | 东北轻合金有限责任公司 | Double water-cooling crystallizer of deformation aluminum alloy |
| WO2023179627A1 (en) * | 2022-03-21 | 2023-09-28 | 洛阳长缨新能源科技有限公司 | Crystal cooling apparatus for simultaneously drawing multiple crystals and artificial crystal preparation device |
-
2013
- 2013-09-30 CN CN201310467712.XA patent/CN104511578A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545715A (en) * | 2019-02-12 | 2020-08-18 | 株式会社神户制钢所 | Continuous casting mold, continuous casting device, and continuous casting method |
| CN110548839A (en) * | 2019-09-04 | 2019-12-10 | 中冶南方连铸技术工程有限责任公司 | forced cooling crystallizer for slab continuous casting |
| WO2023179627A1 (en) * | 2022-03-21 | 2023-09-28 | 洛阳长缨新能源科技有限公司 | Crystal cooling apparatus for simultaneously drawing multiple crystals and artificial crystal preparation device |
| CN116140565A (en) * | 2022-12-27 | 2023-05-23 | 东北轻合金有限责任公司 | Double water-cooling crystallizer of deformation aluminum alloy |
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Application publication date: 20150415 |
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