CN203541466U - Crystallizer cooling device of vertical semi-continuous casting machine - Google Patents
Crystallizer cooling device of vertical semi-continuous casting machine Download PDFInfo
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- CN203541466U CN203541466U CN201320621307.4U CN201320621307U CN203541466U CN 203541466 U CN203541466 U CN 203541466U CN 201320621307 U CN201320621307 U CN 201320621307U CN 203541466 U CN203541466 U CN 203541466U
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- crystallizer
- overcoat
- cooling water
- cooling device
- heat exchange
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- 238000001816 cooling Methods 0.000 title claims abstract description 43
- 238000009749 continuous casting Methods 0.000 title claims abstract description 19
- 239000000498 cooling water Substances 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 15
- 238000005266 casting Methods 0.000 abstract description 8
- 238000002425 crystallisation Methods 0.000 abstract description 5
- 230000007704 transition Effects 0.000 abstract description 5
- 230000008025 crystallization Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 13
- 239000012263 liquid product Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004781 supercooling Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a crystallizer cooling device of a vertical semi-continuous casting machine. The crystallizer cooling device comprises a jacket, wherein the jacket covers a crystallizer; the upper end of the jacket is connected with the crystallizer through an upper flange; the lower end of the jacket is connected with the crystallizer through a lower flange; a heat exchange chamber is formed between the inner wall of the jacket and the outer wall of the crystallizer; a first cooling water returning chamber, a first cooling water inlet chamber and a second cooling water inlet chamber, which are communicated with the outside, are arranged on the jacket in sequence from top to bottom; bottom communication ports communicated with the bottom of the heat exchange chamber are formed in the lower part of the jacket; top communication ports communicated with the top of the heat exchange chamber are formed in the upper part of the jacket; water spraying holes communicated with the second cooling water inlet chamber are formed in the lower flange. By the adoption of the crystallizer cooling device, the problem that as a traditional crystallizer cooling device is small in heat exchange area, nonuniform in cooling process, poor in heat exchange effect and great in cooling water temperature transition difference, the crystallization quality of a casting product is effected is solved. Meanwhile, primary cooling water can be used after being cooled, and the cost is greatly reduced.
Description
Technical field
The utility model belongs to metallurgy industry technical field, specifically relates to a kind of vertical semi-continuous casting machine crystallizer cooling device.
Background technology
Traditional vertical semi-continuous casting machine crystallizer cooling device mainly forms (as shown in Figure 1) by 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, by the lower port of crystallizer 5, flow out, realize once cooling; The second cooling water enters the B chamber of air ring, directly to the solid-state product 1 that is positioned at liquid-solid phase goods 4 belows, sprays, and realizes secondary cooling.
This traditional crystallizer cooling device, causes the opposite direction (as shown in Figure 2) of the thermograde of the first cooling water and the thermograde of foundry goods goods (foundry goods goods consist of liquid product 7, liquid-solid phase goods 4 and solid-state product 1).In foundry goods goods, the temperature of liquid product 7 is the highest, and the temperature of cooling water is minimum, the two temperature difference maximum; The temperature of solid-state product 1 reduces, and the temperature of cooling water raises, the two temperature difference minimum.Heat exchanging process carries out in crystallizer height dimension whole process like this, but at crystallizer lower end heat exchange effect poor (as shown in Figure 3), heat exchange area is little, and cooling procedure is inhomogeneous 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 primary cooling water and the very low secondary cooling water of temperature that temperature is higher in solid-state product 1 like this below crystallizer simultaneously, this interval solid-state product 1 cooling water temperature transition difference is large, and the quality crystallization of foundry goods goods is had a great impact.
Primary cooling water directly discharges, and needs after filtration, clean, cooling just can reuse afterwards, and cost is high.Therefore, traditional crystallizer cooling device is badly in need of improving.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of vertical semi-continuous casting machine crystallizer cooling device is provided, its simple in structure, reasonable in design and good cooling results, efficiently solve the problem that heat exchange area is little, cooling procedure is inhomogeneous, heat exchange effect is poor, cooling water temperature transition difference affects greatly foundry goods crystalline quality that traditional crystallizer cooling device exists, primary cooling water can be used after supercooling simultaneously, greatly reduces cost.
For achieving the above object, the technical solution adopted in the utility model is: a kind of vertical semi-continuous casting machine crystallizer cooling device, it is characterized in that: comprise the overcoat being 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, between the inwall of described overcoat and the outer wall of crystallizer, form heat exchange chamber, described outer putting is disposed with the first cooling water backwater cavity communicating with the external world from top to bottom, the first cooling water intake antrum and the second cooling water intake antrum, the bottom of described overcoat has the bottom connected entrance communicating with heat exchange chamber bottom, the top of described overcoat has the top connected entrance communicating with heat exchange chamber top, on described lower flange, have the hole for water spraying communicating 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 communicating 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: described overcoat be shaped as 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 sprayings are evenly arranged on a week of lower flange, described hole for water spraying and the lead of the solid-state product by crystallizer moulding have angle and multiple hole for water spraying capable become a complete hydrosphere that sprays 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 utility model compared with prior art has the following advantages:
1, simple in structure, the reasonable in design and good cooling results of the utility model.
2, the utility model heat exchanger effectiveness is high, the thermograde of the first cooling water is identical with the direction of the thermograde of foundry goods goods, and in foundry goods goods, the temperature of liquid product is the highest, the temperature of cooling water is also the highest for the first time, and liquid product and for the first time cooling water exist a fixed difference difference; Solid-state product temperature reduces, the temperature of cooling water is also lower for the first time, also there is a fixed difference difference in solid articles and for the first time cooling water, heat exchanging process whole process in crystallizer height dimension is carried out like this, all there is a fixed difference difference in the goods of each scope and for the first time cooling water, heat exchange effect is greater than traditional mode, and cooling procedure is evenly carried out substantially all the time.
3, the utility model for the first time between cooling water and the second cooling water thermograde transition little, the water inlet position of cooling water is very near with the water inlet position of cooling water for the second time for the first time, foundry goods goods are little in the temperature contrast of this interval shower water, heat exchanging process is even, be conducive to shorten the development length in liquid cave, reduce and avoid shrinkage cavity and porosity, the crackle of inside ingot to produce, the crystalline quality of foundry goods is high.
4, the utility model primary cooling water is still clear water after supercooling, so can use after supercooling, greatly reduces cost.
Below by drawings and Examples, the utility model 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 foundry goods goods 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 the utility model vertical semi-continuous casting machine crystallizer cooling device.
Fig. 5 is the schematic diagram of the thermograde of the first cooling water and the thermograde of foundry goods goods in the utility model mould casting goods process.
Fig. 6 is the schematic diagram of heat exchange effect in the utility model mould casting goods process.
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; The 9-the first cooling water backwater cavity;
The 10-the first cooling water intake antrum; The 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.
The specific embodiment
As shown in Figure 4, the utility model comprises the overcoat 3 being 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, between the outer wall of the inwall of described overcoat 3 and crystallizer 5, form heat exchange chamber 6, on described overcoat 3, be disposed with the first cooling water backwater cavity 9 communicating with the external world from top to bottom, the 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 communicating with heat exchange chamber 6 bottoms, the top of described overcoat 3 has the top connected entrance 13 communicating with heat exchange chamber 6 tops, on described lower flange 2, have the hole for water spraying 14 communicating 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 communicating with the first cooling water backwater cavity 9, and the first cooling water backwater cavity 9 is played to pressure release effect, prevents peril.
As shown in Figure 4, described overcoat 3 be shaped as 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; Can realize the even crystallisation by cooling to foundry goods goods.
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 sprayings 14 are evenly arranged on a week of lower flange 2, described hole for water spraying 14 and the lead of the solid-state product 1 by crystallizer 5 moulding have angle and multiple hole for water spraying 14 row become a complete hydrosphere that sprays to solid-state product 1, can realize the even crystallisation by cooling to foundry goods goods.
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.
In conjunction with Fig. 4, operation principle of the present utility model is: the first cooling water enters the first cooling water intake antrum 10, flow into heat exchange chamber 6, uniform the first cooling water surrounds crystallizer 5 completely and fully carries out heat exchange, the hot water that temperature raises flows into the first cooling water backwater cavity 9, then by pipeline, discharge, realize a cooling procedure of foundry goods goods; The hot water that the temperature of discharging through the first cooling water backwater cavity 9 raises, after supercooling, can be used by direct circulation, need not process again, and cost is low.The first cooling water enters the second cooling water intake antrum 11, through circular lower flange 2, cooling water is evenly distributed along annular surrounding, then through hole for water spraying 14, sprays to uniformly the solid-state product 1 of crystallization, realizes the secondary cooling process of foundry goods goods.The utility model heat exchanger effectiveness is high, the thermograde of the first cooling water identical with the direction of the thermograde of foundry goods goods (as shown in Figure 5), in foundry goods goods, the temperature of liquid product 7 is the highest, the temperature of cooling water is also the highest for the first time, and liquid product 7 and for the first time cooling water exist a fixed difference difference; Solid-state product 1 temperature reduces, the temperature of cooling water is also lower for the first time, also there is a fixed difference difference in solid articles 1 and for the first time cooling water, heat exchanging process whole process in crystallizer height dimension is carried out like this, all there is a fixed difference difference in the goods of each scope and for the 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, between cooling water and the second cooling water, thermograde transition is little for the first time, and the water inlet position of cooling water is very near with the water inlet position of cooling water for the second time for the first time, and foundry goods goods are 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 utility model, as required, can be by primary cooling water and separately supply of secondary cooling water, primary cooling water is clear water, is directly recovered to clear water reserviors; Secondary cooling water is muddy water, through secondary recovery, enters muddy water pond.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (6)
1. a vertical semi-continuous casting machine crystallizer cooling device, it is characterized in that: comprise and be enclosed within the outer overcoat (3) of 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), between the outer wall of the inwall of described overcoat (3) and crystallizer (5), form heat exchange chamber (6), on described overcoat (3), be disposed with the first cooling water backwater cavity (9) communicating with the external world from top to bottom, the 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) communicating with heat exchange chamber (6) bottom, the top of described overcoat (3) has the top connected entrance (13) communicating with heat exchange chamber (6) top, on described lower flange (2), have the hole for water spraying (14) communicating with the second cooling water intake antrum (11).
2. according to a kind of vertical semi-continuous casting machine crystallizer cooling device claimed in claim 1, it is characterized in that: the top of described overcoat (3) is provided with the safety valve (17) communicating 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: described overcoat (3) be shaped as approximate hollow cylinder, the quantity of described bottom connected entrance (12) and top connected entrance (13) is multiple, multiple described bottom connected entrances (12) are evenly arranged on the bottom one week of overcoat (3), and multiple described top connected entrances (13) are 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 sprayings (14) are evenly arranged on a week of lower flange (2), and described hole for water spraying (14) and the lead of the solid-state product (1) by crystallizer (5) moulding have angle and multiple hole for water spraying (14) is gone into a complete hydrosphere that sprays 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 |
|---|---|---|---|
| CN201320621307.4U CN203541466U (en) | 2013-09-30 | 2013-09-30 | Crystallizer cooling device of vertical semi-continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621307.4U CN203541466U (en) | 2013-09-30 | 2013-09-30 | Crystallizer cooling device of vertical semi-continuous casting machine |
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| Publication Number | Publication Date |
|---|---|
| CN203541466U true CN203541466U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320621307.4U Expired - Lifetime CN203541466U (en) | 2013-09-30 | 2013-09-30 | Crystallizer cooling device of vertical semi-continuous casting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116921640A (en) * | 2023-07-26 | 2023-10-24 | 常州润来科技有限公司 | Cooling traction device and method for horizontal continuous casting copper pipe |
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2013
- 2013-09-30 CN CN201320621307.4U patent/CN203541466U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116921640A (en) * | 2023-07-26 | 2023-10-24 | 常州润来科技有限公司 | Cooling traction device and method for horizontal continuous casting copper pipe |
| CN116921640B (en) * | 2023-07-26 | 2024-01-23 | 常州润来科技有限公司 | Cooling traction device and method for horizontal continuous casting copper pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
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| CX01 | Expiry of patent term |