CN101439394B - Crystallizer - Google Patents
Crystallizer Download PDFInfo
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- CN101439394B CN101439394B CN2008101629532A CN200810162953A CN101439394B CN 101439394 B CN101439394 B CN 101439394B CN 2008101629532 A CN2008101629532 A CN 2008101629532A CN 200810162953 A CN200810162953 A CN 200810162953A CN 101439394 B CN101439394 B CN 101439394B
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- graphite
- edge strip
- copper
- plate
- strake
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Abstract
The invention discloses a crystallizer, belonging to the technical field of copper and copper alloy strip plate horizontal continuous casting device and comprising an upper graphite plate, a lower graphite plate, a left graphite strake, a right graphite strake and an upper copper plate and a lower copper plate which are respectively provided with an upper cooling pipeline and a lower cooling pipeline, wherein, the left graphite strake and the right graphite strake are arranged between the upper graphite plate and the lower graphite plate; a cavity is formed among the upper graphite plate, the lower graphite plate, the left graphite strake and the right graphite; the upper copper plate is arranged above the upper graphite plate; the lower copper plate is arranged under the lower graphite plate; the cross sections of the left graphite strake and the right graphite strake are all right trapezoids; and the trapezoid surface is inclined outwards, or the upper surface and the lower surface of the left graphite strake and the right graphite strake are all provided with slot ways. The crystallizer solves the problem that heat load along the motion direction vertical to a copper strip is uneven, and the copper strip produced by the crystallizer does not have the disadvantages of crack, cracked edge, uneven surface and inflection point in casting line.
Description
Technical field
The invention discloses a kind of crystallizer, belong to copper and copper alloy belt blank horizontal casting equipment technical field.
Background technology
Crystallizer is the key equipment in the horizontal casting production line.The crystallizer of copper and copper alloy belt blank horizontal casting is placed in the exit of soaking pit, when the copper water of liquid state flows through crystallizer, from being arranged on the cooling fluid that flows through in the cooling pipe in the upper and lower copper coin copper liquid heat is taken away, made it be frozen into solid, form copper strips.And in the actual production, the copper strips that existing crystallizer is produced exists crackle, raw edges, surface irregularity and foudry line the defective of flex point to occur.Analyze its reason, find it mainly is that thermic load is inhomogeneous caused along the vertical copper strips direction of motion, be embodied in: be positioned near the copper liquid of both sides graphite edge strip, its heat is except being sent to the upper and lower copper coin by graphite cake up and down, also the graphite edge strip by side is sent on the upper and lower copper coin, and being positioned at the copper liquid of mid portion, its heat only is sent on the upper and lower copper coin by graphite cake up and down.Therefore, heat flow density on the width of existing crystallizer distributes extremely inhomogeneous, the situation that has formed middle part heat flow density height, reduced gradually along two side directions, especially at the graphite edge strip place of both sides, it is minimum that heat flow density has reached, thereby cause near the copper liquid cooling that is positioned at the graphite edge strip of both sides fast, be positioned at the slow situation of copper liquid cooling of mid portion, said copper strips problem above producing thus.
Summary of the invention
In order to address the above problem, the invention provides a kind of crystallizer, this crystallizer has solved thermic load along the vertical uneven problem of the copper strips direction of motion, and its copper strips of producing does not exist crackle, raw edges, surface irregularity and foudry line the defective of flex point to occur.
To achieve these goals, the technical solution adopted in the present invention is: a kind of crystallizer, comprise graphite cake, following graphite cake, left side graphite edge strip, right graphite edge strip, have cooling pipe respectively, the last copper coin of following cooling pipe, following copper coin, wherein left graphite edge strip, right graphite edge strip is installed in graphite cake, between the following graphite cake, and last graphite cake, following graphite cake, left side graphite edge strip, form a cavity between the right graphite edge strip, last copper coin is installed in the top of graphite cake, following copper coin is installed in down the below of graphite cake, described left graphite edge strip, the cross section of right graphite edge strip is all at right angles trapezoidal, and outside tread is tilted to, perhaps described left graphite edge strip, on the right graphite edge strip, lower surface all offers conduit.
As the further setting of such scheme, all at right angles trapezoidal left graphite edge strip, the right graphite edge strip of described cross section is symmetrical.
The conduit on described left graphite edge strip, the upper and lower surface of right graphite edge strip is symmetrical, and should left side graphite edge strip, right graphite edge strip is symmetrical.
The cross section of described conduit can be rectangle, triangle or semicircle.
Described conduit evenly distributes.
The described copper coin top of going up is equipped with iron plate, and following copper coin below is equipped with down iron plate, and feed tube, the drain pipe of last cooling pipe pass iron plate being in communication with the outside, and feed tube, the drain pipe of following cooling pipe pass down iron plate being in communication with the outside.
After adopting such scheme, left graphite edge strip of the present invention, the cross section of right graphite edge strip is all at right angles trapezoidal, and outside tread is tilted to, perhaps left graphite edge strip, on the right graphite edge strip, lower surface all offers conduit, promptly realized left graphite edge strip, right graphite edge strip and last graphite cake, non-contact fully between the following graphite cake, utilized and be positioned at not contact portion and last graphite cake, the big characteristics of air thermal resistance in the space between the following graphite cake, so that reduce left graphite edge strip, the heat that right graphite edge strip spreads out of, reduce the exchange capability of heat at this place, promptly reduced and be positioned at both sides graphite edge strip neighbouring copper liquid and last copper coin, heat transfer area between the following copper coin, thereby reduced local intensity of cooling, dwindled the cooling velocity difference between near copper liquid the graphite edge strip of both sides and copper liquid greatly at mid portion, solved thermic load along the vertical uneven problem of the copper strips direction of motion, overcome copper strips and had crackle, raw edges, the defective of flex point appears in surface irregularity and foudry line.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is another structural representation of the present invention.
The specific embodiment
As shown in Figure 1, crystallizer of the present invention comprises graphite cake 4a, following graphite cake 4b, left graphite edge strip 5a, right graphite edge strip 5b, has the last copper coin 3a of cooling pipe 1a, following cooling pipe 1b, following copper coin 3b respectively.Wherein left graphite edge strip 5a, right graphite edge strip 5b are installed between graphite cake 4a, the following graphite cake 4b, and form a cavity 6 between last graphite cake 4a, following graphite cake 4b, left graphite edge strip 5a, the right graphite edge strip 5b, liquid copper water just is infused in this cavity 6 and cools off.Last copper coin 3a is installed in the top of graphite cake 4a, and following copper coin 3b is installed in down the below of graphite cake 4b, and this is existing structure of mould.
And the improvement of this case is: the cross section of left graphite edge strip 5a, right graphite edge strip 5b is all at right angles trapezoidal, and outside tread is tilted to.As can be seen from Figure 1, this case left side graphite edge strip 5a, the upper surface of right graphite edge strip 5b and the contact area between the last graphite cake 4a reduce greatly, therefore, reduced and be positioned at left graphite edge strip 5a, heat transfer area between near the right graphite edge strip 5b copper liquid and the last copper coin 3a, be positioned at left graphite edge strip 5a thereby dwindled greatly, copper liquid and the cooling velocity difference between the copper liquid of mid portion near the right graphite edge strip 5b, solved thermic load along the vertical uneven problem of the copper strips direction of motion, overcome copper strips and had crackle, raw edges, the defective of flex point appears in surface irregularity and foudry line.
In order further to improve the quality of copper strips, prolong the life-span of crystallizer simultaneously, all at right angles trapezoidal left graphite edge strip 5a, the right graphite edge strip 5b of cross section is symmetrical.
In order to improve the integral rigidity of crystallizer of the present invention, last copper coin 3a top is equipped with iron plate 2a, following copper coin 3b below is equipped with down iron plate 2b, feed tube 8a, the drain pipe 8b of last cooling pipe 1a pass iron plate 2a and are in communication with the outside, and feed tube 9a, the drain pipe 9b of following cooling pipe 1b pass down iron plate 2b and be in communication with the outside.
As shown in Figure 2, present embodiment is compared previous embodiment, and its difference is: the upper and lower surface of left graphite edge strip 5a, right graphite edge strip 5b all offers conduit 7.Offering of conduit 7, reduce left graphite edge strip 5a greatly, on the right graphite edge strip 5b, lower surface and last graphite cake 4a, contact area between the following graphite cake 4b, therefore, reduced and be positioned at left graphite edge strip 5a, copper liquid and last copper coin 3a near the right graphite edge strip 5b, heat transfer area between the following copper coin 3b, be positioned at left graphite edge strip 5a thereby dwindled greatly, copper liquid and the cooling velocity difference between the copper liquid of mid portion near the right graphite edge strip 5b, solved thermic load along the vertical uneven problem of the copper strips direction of motion, overcome copper strips and had crackle, raw edges, the defective of flex point appears in surface irregularity and foudry line.
In order further to improve the quality of copper strips, prolong the life-span of crystallizer simultaneously, the conduit 7 symmetrical and even distributions on left graphite edge strip 5a, the upper and lower surface of right graphite edge strip 5b, and should left side graphite edge strip 5a, right graphite edge strip 5b symmetrical.Wherein, the cross section of conduit 7 can be rectangle, triangle or semicircle, and generally about 1-2mm, the area of conduit 7 accounts for more than 30% of the complete contact area of edge strip to the degree of depth.Certainly, conduit 7 all right oblique settings form arranged crosswise, and conduit 7 can also only be arranged on left graphite edge strip 5a, right graphite edge strip 5b upper surface or lower surface simultaneously.
The present invention exists crackle, raw edges, surface irregularity and foudry line to occur the problem of flex point except having solved copper strips, under the copper strips situation of casting different in width, can not change and go up copper coin 3a, following copper coin 3b, but can realize by the position that changes left graphite edge strip 5a, right graphite edge strip 5b.In addition, because the characteristic of graphite, conduit 7 or trapezoidal processing ratio are easier to, good operation.
The foregoing description only is used to the inventive concept of the present invention of explaining, but not to the qualification of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.
Claims (2)
1. crystallizer, comprise graphite cake (4a), following graphite cake (4b), left side graphite edge strip (5a), right graphite edge strip (5b), have cooling pipe (1a) respectively, the last copper coin (3a) of following cooling pipe (1b), following copper coin (3b), wherein left graphite edge strip (5a), right graphite edge strip (5b) is installed in graphite cake (4a), between the following graphite cake (4b), and last graphite cake (4a), following graphite cake (4b), left side graphite edge strip (5a), form a cavity (6) between the right graphite edge strip (5b), last copper coin (3a) is installed in the top of graphite cake (4a), following copper coin (3b) is installed in down the below of graphite cake (4b), it is characterized in that: described left graphite edge strip (5a), the cross section of right graphite edge strip (5b) is all at right angles trapezoidal, and outside tread is tilted to, perhaps described left graphite edge strip (5a), on the right graphite edge strip (5b), lower surface all offers conduit (7); All at right angles trapezoidal left graphite edge strip (5a), the right graphite edge strip (5b) of described cross section is symmetrical; Symmetrical and the even distribution of conduit (7) on described left graphite edge strip (5a), the upper and lower surface of right graphite edge strip (5b), and should left side graphite edge strip (5a), right graphite edge strip (5b) is symmetrical; Described copper coin (3a) top of going up is equipped with iron plate (2a), following copper coin (3b) below is equipped with down iron plate (2b), feed tube (8a), the drain pipe (8b) of last cooling pipe (1a) pass iron plate (2a) and are in communication with the outside, and feed tube (9a), the drain pipe (9b) of following cooling pipe (1b) pass down iron plate (2b) and be in communication with the outside.
2. crystallizer as claimed in claim 1 is characterized in that: the cross section of described conduit (7) is rectangle, triangle or semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101629532A CN101439394B (en) | 2008-12-04 | 2008-12-04 | Crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101629532A CN101439394B (en) | 2008-12-04 | 2008-12-04 | Crystallizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101439394A CN101439394A (en) | 2009-05-27 |
| CN101439394B true CN101439394B (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101629532A Expired - Fee Related CN101439394B (en) | 2008-12-04 | 2008-12-04 | Crystallizer |
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| Country | Link |
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| CN (1) | CN101439394B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042184A (en) * | 2012-12-31 | 2013-04-17 | 中色奥博特铜铝业有限公司 | Method for preventing horizontal continuous casting unit copper bush from thermal deformation |
| CN108393442A (en) * | 2018-05-11 | 2018-08-14 | 凯美龙精密铜板带（河南）有限公司 | A kind of horizontal continuous casting crystallizer for casting copper coin base |
| CN113798451B (en) * | 2021-09-08 | 2023-01-10 | 宁波金田铜业(集团)股份有限公司 | Copper alloy horizontal continuous casting crystallizer |
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2008
- 2008-12-04 CN CN2008101629532A patent/CN101439394B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101439394A (en) | 2009-05-27 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Assignee: Zhejiang Bada Copper Industry Co., Ltd. Assignor: Shaoxing Lian Da casting technology research and Development Co., Ltd.|Ru Qiyang|Wang Yueming Contract record no.: 2011330001176 Denomination of invention: Method and apparatus for making copper tube of crystallizer in continuous casting machine Granted publication date: 20101215 License type: Exclusive License Open date: 20090527 Record date: 20110923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20181204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |