CN105364038A - Segmented cooling structure for inner loop surface of continuous casting crystallizer - Google Patents
Segmented cooling structure for inner loop surface of continuous casting crystallizer Download PDFInfo
- Publication number
- CN105364038A CN105364038A CN201510927786.6A CN201510927786A CN105364038A CN 105364038 A CN105364038 A CN 105364038A CN 201510927786 A CN201510927786 A CN 201510927786A CN 105364038 A CN105364038 A CN 105364038A
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- CN
- China
- Prior art keywords
- wheel body
- ring
- cavity
- cooling structure
- crystallizing wheel
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0611—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a single casting wheel, e.g. for casting amorphous metal strips or wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
- B22D11/0682—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting wheel
Abstract
The invention discloses a segmented cooling structure for an inner loop surface of a continuous casting crystallizer. The segmented cooling structure comprises a crystallizing wheel body assembled between two turntables; a transverse plate, positioned on the annular inner side of the crystallizing wheel body on the circumference, is arranged between the two turntables; a main cavity through which a cooling liquid to flow is defined by the crystallizing wheel body, the turntables and the transverse plate; annular cavities, communicated with the main cavity, are formed between assembled surfaces of the crystallizing wheel body and the turntables; inlets for the cooling liquid to flow in are formed in the transverse plate; outlets for the cooling liquid to flow out are formed in the turntables at the positions of the annular cavities; and the main cavity is at least divided into three unit cavities on the circumference by baffles. The segmented cooling structure is skillful in design, and simple and reliable in structure, and compared with a conventional cavity type cooling scheme, the cooling efficiency of the inner loop surface of the continuous casting crystallizer can be effectively improved, the stability of the cooling process is beneficial for improvement, the segmented cooling structure formed by the unit cavities is beneficial for improvement of the heat transfer efficiency, and the heat transfer intensities of the unit cavities is controlled individually.
Description
Technical field
The present invention relates to a kind of production equipment of continuous casting and rolling, particularly a kind of sectional cooling structure of the continuous cast mold inner ring surface in continuous casting continuous rolling equipment, belongs to continuous casting continuous rolling equipment technical field.
Background technology
Crystallizer is the key equipment in aluminium (copper) bar continuous casting and tandem rolling production line, and crystallizing wheel generally adopts the metal material of good heat conductivity (as copper or copper alloy) to make, and its periphery wall is with the casting groove arranged around ring week.In the production line course of work, wheeled steel traction steel band and the casting groove of crystallizing wheel fit formation die cavity, after the molten metal of melting enters die cavity by the casting gate of side, through the process of supercooling, crystallization and coagulation forming in die cavity, and pull out from throwing mouth along with the rotation of crystallizing wheel.
The outgoing quality that cooling procedure is produced casting process crystallizing wheel is most important.The form that general existing crystallizing wheel adopts multiaspect (on four sides) to cool carries out pressure cooling to crystallizing wheel.Mode comparatively commonly by directly spraying cools, as then disclosed a kind of continuous cast mold adopting four sides spraying cooling in CN10165890A.
Obviously, the mode cooling effect of spraying cooling depends on the intensity of spray, but the time of staying that cooling fluid sprays process too small makes amount of cooling water not easily reach requirement, or the intensity of spraying cooling is wayward.Also there is the situation of cooling fluid splash in the process of spraying cooling in addition, makes to cause high-temperature liquid metal to produce the defect such as bubble or interlayer in the forming process of casting groove, directly affects the quality of product.
In order to solve the problem, CN201217063Y and CN204321127U discloses and builds at crystallizing wheel inner ring surface the technology that the scheme of cooling chamber carries out cooling.This cooling structure design improves the controllability of amount of cooling water and cooling procedure on the one hand, also makes the problem of traditional spray process cooling fluid splash be resolved on the other hand.
But due to the loop configuration of crystallizing wheel and the production process of rotation, existing cooling chamber carries out in cooling scheme design, the distribution of cooling fluid and the cooling fluid abundant contact problems on Cooling Heat Transfer face are not also fully solved, particularly in CN204321127U, it is arranged in the cooling liquid inlet of same inner ring side and cooling liquid outlet design makes may there is gas district or region of no pressure at whole operation process heat-transfer area, be difficult to ensure that heat-transfer area can contact with cooling fluid all the time completely, so that the heat transfer of cooling procedure is undesirable, efficiency is lower, or make cooling procedure on whole ring week be difficult to regulate and a control.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, provides a kind of structure sectional cooling structure that is simple, continuous cast mold inner ring surface reliably, with the stability of the cooling effectiveness and cooling procedure that improve continuous cast mold inner ring surface.
The technical solution used in the present invention is as follows:
A kind of sectional cooling structure of continuous cast mold inner ring surface, comprise crystallizing wheel wheel body and the casting groove being arranged at crystallizing wheel wheel body periphery wall, crystallizing wheel wheel body is assemblied between two rotating disks, and be also provided with the transverse slat arranged along ring week between two rotating disks, described transverse slat is positioned at inside the ring of crystallizing wheel wheel body; Described crystallizing wheel wheel body, be configured between rotating disk and transverse slat cooling fluid circulation main cavity, ring cavity is offered between the fitting surface of described crystallizing wheel wheel body and rotating disk, described ring cavity is connected with main cavity, described transverse slat is provided with the import entered for cooling fluid, the rotating disk of ring cavity position is provided with the outlet of flowing out for cooling fluid; Described main cavity is made up of along ring week at least 3 unit chambeies, and each unit chamber is formed (that is: main cavity becomes at least 3 unit chambeies along ring week by separator lined) by the separator lined in main cavity, and each unit chamber is provided with import and outlet.
Further, described import and outlet are crisscross arranged on hoop.
Further, all ring cavity is offered between the crystallizing wheel wheel body of described crystallizing wheel wheel body both sides and rotating disk fitting surface.
Further, described import is positioned at the centre position of transverse slat width.
Further, the ring week of described transverse slat is provided with multiple import.
Further, described inlets even was distributed on the ring week of transverse slat.
Further, the ring week of described ring cavity is provided with multiple outlet.
Further, described outlet was uniformly distributed on the ring week of ring cavity.
Further, all offer ring cavity between the crystallizing wheel wheel body of described crystallizing wheel wheel body both sides and rotating disk fitting surface, and the outlet of two ring cavities is positioned at same hoop position.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, the sectional cooling structure of described continuous cast mold inner ring surface, crystallizing wheel wheel body, the main cavity of cooling fluid circulation is configured between rotating disk and transverse slat, the heat-transfer area of crystallizing wheel wheel body is as the sidewall cooling main cavity, the mode of ring cavity is offered between the fitting surface being simultaneously engaged in crystallizing wheel wheel body and rotating disk, and import cooling fluid entered is arranged on transverse slat, the outlet that cooling fluid flows out is arranged on the rotating disk of ring cavity position, the thermal transfer surface of crystallizing wheel wheel body is made to be submerged in cooling fluid all the time, cool compared to existing cooling chamber, in this programme, cooling fluid is greatly improved in the uniformity of chamber indoor distribution and effective heat transfer area, effectively ensure that the controllability of cooling effectiveness and cooling procedure.
2, described main cavity is along all sub-sectional cooling structures be made up of at least 3 unit chambeies of ring, multiple cavity design is circumferentially divided into by whole, can avoid because the loop configuration of crystallizing wheel and the production process of rotation are to the adverse effect of cooling fluid at chamber distribution in vivo further, be conducive to the raising of heat transfer efficiency, such design simultaneously is also beneficial to the independent heat transfer intensity controlling each unit chamber.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the cross section structure schematic diagram of the sectional cooling structure of continuous cast mold inner ring surface of the present invention,
Fig. 2 is that the A-A of Fig. 1 of the present invention is to generalized section.
Mark in figure: 1-crystallizing wheel wheel body, 11-cast groove, 12-fin, 2-rotating disk, 3-transverse slat, 4-main cavity, 41-import, 42-outlet, 43-unit chamber, 44-dividing plate, 5-ring cavity.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Embodiment
The sectional cooling structure of continuous cast mold inner ring surface of the present invention, its structure as shown in Figure 1, comprise crystallizing wheel wheel body 1 and the casting groove 11 being arranged at crystallizing wheel wheel body 1 periphery wall, crystallizing wheel wheel body 1 is assemblied between two rotating disks 2, also be provided with the transverse slat 3 arranged along ring week between two rotating disks 2, described transverse slat 3 is positioned at inside the ring of crystallizing wheel wheel body 1; Described crystallizing wheel wheel body 1, be configured between rotating disk 2 and transverse slat 3 cooling fluid circulation main cavity 4, ring cavity 5 is offered between the fitting surface of described crystallizing wheel wheel body 1 and rotating disk 2, described ring cavity 5 is connected with main cavity 4, described transverse slat 3 is provided with the import 41 entered for cooling fluid, the rotating disk 2 of ring cavity 5 position is provided with the outlet 42 of flowing out for cooling fluid.
The sectional cooling structure of described continuous cast mold inner ring surface, crystallizing wheel wheel body, the main cavity of cooling fluid circulation is configured between rotating disk and transverse slat, the heat-transfer area of crystallizing wheel wheel body is as the sidewall cooling main cavity, the mode of ring cavity is offered between the fitting surface being simultaneously engaged in crystallizing wheel wheel body and rotating disk, and import cooling fluid entered is arranged on transverse slat, the outlet that cooling fluid flows out is arranged on the rotating disk of ring cavity position, the thermal transfer surface of crystallizing wheel wheel body is made to be submerged in cooling fluid all the time, cool compared to existing cooling chamber, in this programme, cooling fluid is greatly improved in the uniformity of chamber indoor distribution and effective heat transfer area, effectively ensure that the controllability of cooling effectiveness and cooling procedure.
Obviously as main cavity 4 cooling fluid circulation and store necessary, the structure of to be main cavity 4 a be edge seal.In a specific embodiment, resistant to elevated temperatures seal (not shown in the figures anticipate out, but the puzzlement in understanding can not be caused those skilled in the art) is provided with between the fitting surface of described crystallizing wheel wheel body 1 and rotating disk 2.Crystallizing wheel wheel body 1 and rotating disk 2 can be connected and fixed by bolt in addition, concrete: on crystallizing wheel wheel body 1 sidewall, tapped screw is set, crystallizing wheel wheel body 1 and rotating disk 2 are assembled into overall structure through rotating disk 2 by bolt, and resistant to elevated temperatures seal is between crystallizing wheel wheel body 1 and rotating disk 2.
In addition, also seal is provided with between rotating disk 2 and transverse slat 3 fitting surface.Rotating disk 2 and transverse slat 3 are connected by conventional bolt and assemble, or rotating disk 2 and transverse slat 3 directly weld and crystallizing wheel wheel body 1, rotating disk 2 and transverse slat 3 are assembled into overall structure.
In order to avoid because the loop configuration of crystallizing wheel and the production process of rotation are to the adverse effect of cooling fluid at chamber distribution in vivo in above-mentioned design basis further, described main cavity 4 is made up of along ring week at least 3 unit chambeies 43, as shown in Figure 2, each unit chamber 43 is divided by the dividing plate 44 in main cavity 4 and forms, (that is: main cavity 4 is divided at least 3 unit chambeies 43 along ring week by dividing plate 44), each unit chamber 43 is provided with import 41 and outlet 42.Like this be designed with the raising being beneficial to heat transfer efficiency, be also beneficial to the independent heat transfer intensity controlling each unit chamber simultaneously.
In order to strengthen the heat transfer efficiency of crystallizing wheel wheel body 1 further, crystallizing wheel wheel body 1 sidewall is provided with fin 12.
In another detailed description of the invention, mainly the position of offering of ring cavity 5 is further elaborated, because ring cavity 5 is arranged at the fitting surface of crystallizing wheel wheel body 1 and rotating disk 2, therefore ring cavity 5 has three concrete set-up modes: a kind of is offer annular groove at the sidewall of crystallizing wheel wheel body 1, form ring cavity 5 structure as shown in Figure 1, another kind offers annular groove at the madial wall of rotating disk 2 and forms (to offer annular groove similar with the sidewall of crystallizing wheel wheel body 1), also has one to be all offer annular groove at crystallizing wheel wheel body 1 and rotating disk 2 and jointly formed.The sidewall of crystallizing wheel wheel body 1 is offered annular groove and is formed the scheme of ring cavity 5 preferably in a specific embodiment, reduces the consumption of crystallizing wheel wheel body 1 copper material on the one hand, improves its heat transfer area on the other hand, can not affect the structural design of rotating disk 2 simultaneously.
In order to the uniformity that the flow direction improving heat transfer efficiency and cooling fluid is distributed, be described to the relative position of import 41 and ring cavity 5 in another detailed description of the invention, mainly comprise side and the situation that the situation of ring cavity 5 and both sides all arrange ring cavity 5 is set.
When only offering ring cavity 5 on crystallizing wheel wheel body 1 with one of them fitting surface of rotating disk 2, import 41 needs to be arranged on the transverse slat 3 of offside fitting surface position, is conducive to like this reducing the heat transfer dead angle on whole crystallizing wheel wheel body 1 width, improves heat transfer efficiency.
When all offering ring cavity 5 when between the crystallizing wheel wheel body 1 and rotating disk 2 fitting surface of crystallizing wheel wheel body 1 both sides, import 41 can be arranged on any width place of transverse slat 3.
But as preferably design, when all offering ring cavity 5 when between the crystallizing wheel wheel body 1 and rotating disk 2 fitting surface of crystallizing wheel wheel body 1 both sides, import 41 should be positioned at the centre position of transverse slat 3 width, to ensure that the ring cavity 5 of both sides has impartial fluid resistance and transmission path, ensure the even of the heat exchange of both sides.
In order to improve the heat transfer efficiency at whole circumference, the ring week of described transverse slat 3 is provided with multiple import 41.In order to ensure the uniformity of the heat transfer of each ring week position, described import 41 is uniformly distributed on the ring week of transverse slat 3.
Identical with import 41 setting principle, the ring week of described ring cavity 5 is provided with multiple outlet 42.In order to ensure the uniformity of the heat transfer of each ring week position, described outlet 42 is uniformly distributed on the ring week of ring cavity 5.
Multiple import 41 and multiple outlet 42 design as described in Figure 2, and Fig. 2 only as the schematic diagram that is circular layout of import 41, outlet 42, and does not illustrate according to attach ratios.
As another one optimal design, the ring cavity 5 of both sides has the identical outlet of quantity 42, to ensure that both sides have identical cooling fluid discharge, ensure the amount of cooling water on whole casting groove 11 width.
That each outlet 42 on two ring cavities 5 is arranged on same hoop position as further optimal design, to ensure that the cooling fluid that import about 41 two flows to has similar flow morphology.As further optimal design, import 41 and outlet 42 are crisscross arranged on ring week, i.e. import 41, outlet 42 have angle with the line in axle center, as shown in Figure 2, coolant fluid so also can be avoided to walk short circuit and form the heat transfer dead angle of heat-transfer area, be conducive to improving heat transfer efficiency.
The sectional cooling structure of continuous cast mold inner ring surface of the present invention, its design is ingenious, simple and reliable for structure, compared to existing cavity type cooling scheme, effectively can improve the cooling effectiveness of continuous cast mold inner ring surface, and be beneficial to the stability improving cooling procedure, the sub-sectional cooling structural design in multiple unit chamber can be avoided because the loop configuration of crystallizing wheel and the production process of rotation are to the adverse effect of cooling fluid at chamber distribution in vivo further simultaneously, be conducive to the raising of heat transfer efficiency, such design simultaneously is also beneficial to the independent heat transfer intensity controlling each unit chamber.
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (9)
1. the sectional cooling structure of a continuous cast mold inner ring surface, it is characterized in that: comprise crystallizing wheel wheel body (1) and be arranged at the casting groove (11) of crystallizing wheel wheel body (1) periphery wall, crystallizing wheel wheel body (1) is assemblied between two rotating disks (2), also be provided with the transverse slat (3) arranged along ring week between two rotating disks (2), described transverse slat (3) is positioned at inside the ring of crystallizing wheel wheel body (1); Described crystallizing wheel wheel body (1), be configured between rotating disk (2) and transverse slat (3) cooling fluid circulation main cavity (4), ring cavity (5) is offered between the fitting surface of described crystallizing wheel wheel body (1) and rotating disk (2), described ring cavity (5) is connected with main cavity (4), described transverse slat (3) is provided with the import (41) entered for cooling fluid, the rotating disk (2) of ring cavity (5) position is provided with the outlet (42) of flowing out for cooling fluid; Described main cavity (4) is made up of along ring week at least 3 unit chambeies (43), and each unit chamber (43) is divided by the dividing plate (44) in main cavity (4) and forms, and each unit chamber (43) is provided with import (41) and outlet (42).
2. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 1, is characterized in that: described import (41) and outlet (42) are crisscross arranged on hoop.
3. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 1, is characterized in that: all offer ring cavity (5) between the crystallizing wheel wheel body (1) of described crystallizing wheel wheel body (1) both sides and rotating disk (2) fitting surface.
4. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 1, is characterized in that: described import (41) is positioned at the centre position of transverse slat (3) width.
5. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 1, is characterized in that: be provided with multiple import (41) the ring week of described transverse slat (3).
6. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 5, is characterized in that: described import (41) was uniformly distributed on the ring week of transverse slat (3).
7. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 1, is characterized in that: be provided with multiple outlet (42) the ring week of described ring cavity (5).
8. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 7, is characterized in that: described outlet (42) was uniformly distributed on the ring week of ring cavity (5).
9. the sectional cooling structure of continuous cast mold inner ring surface as claimed in claim 1, it is characterized in that: all offer ring cavity (5) between the crystallizing wheel wheel body (1) of described crystallizing wheel wheel body (1) both sides and rotating disk (2) fitting surface, and the outlet (42) of two ring cavities (5) is positioned at same hoop position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927786.6A CN105364038A (en) | 2015-12-15 | 2015-12-15 | Segmented cooling structure for inner loop surface of continuous casting crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510927786.6A CN105364038A (en) | 2015-12-15 | 2015-12-15 | Segmented cooling structure for inner loop surface of continuous casting crystallizer |
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| CN105364038A true CN105364038A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510927786.6A Pending CN105364038A (en) | 2015-12-15 | 2015-12-15 | Segmented cooling structure for inner loop surface of continuous casting crystallizer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5886961A (en) * | 1981-11-20 | 1983-05-24 | Hitachi Ltd | Cooler for casting wheel of rotary caster |
| JPS60216957A (en) * | 1984-04-13 | 1985-10-30 | Hitachi Ltd | Casting wheel of continuous casting machine |
| CN103406508A (en) * | 2013-08-23 | 2013-11-27 | 青岛云路新能源科技有限公司 | Amorphous material crystallizer |
| CN103586429A (en) * | 2013-11-08 | 2014-02-19 | 青岛云路新能源科技有限公司 | Amorphous alloy crystallizer |
| CN203610629U (en) * | 2013-12-29 | 2014-05-28 | 山东亨圆铜业有限公司 | Gas-protected crystallizer for horizontal continuous casting of copper tubes |
| CN205217965U (en) * | 2015-12-15 | 2016-05-11 | 德阳九鼎智远知识产权运营有限公司 | Segmented cooling structure of anchor ring in continuous casting crystallizer |
-
2015
- 2015-12-15 CN CN201510927786.6A patent/CN105364038A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5886961A (en) * | 1981-11-20 | 1983-05-24 | Hitachi Ltd | Cooler for casting wheel of rotary caster |
| JPS60216957A (en) * | 1984-04-13 | 1985-10-30 | Hitachi Ltd | Casting wheel of continuous casting machine |
| CN103406508A (en) * | 2013-08-23 | 2013-11-27 | 青岛云路新能源科技有限公司 | Amorphous material crystallizer |
| CN103586429A (en) * | 2013-11-08 | 2014-02-19 | 青岛云路新能源科技有限公司 | Amorphous alloy crystallizer |
| CN203610629U (en) * | 2013-12-29 | 2014-05-28 | 山东亨圆铜业有限公司 | Gas-protected crystallizer for horizontal continuous casting of copper tubes |
| CN205217965U (en) * | 2015-12-15 | 2016-05-11 | 德阳九鼎智远知识产权运营有限公司 | Segmented cooling structure of anchor ring in continuous casting crystallizer |
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