CN112207242B - Stud welding crystallizer copper plate and machining method thereof, and crystallizer - Google Patents
Stud welding crystallizer copper plate and machining method thereof, and crystallizer Download PDFInfo
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- CN112207242B CN112207242B CN202011089381.7A CN202011089381A CN112207242B CN 112207242 B CN112207242 B CN 112207242B CN 202011089381 A CN202011089381 A CN 202011089381A CN 112207242 B CN112207242 B CN 112207242B
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/057—Manufacturing or calibrating the moulds
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/059—Mould materials or platings
Abstract
The invention discloses a stud welding crystallizer copper plate, a machining method thereof and a crystallizer, and belongs to the technical field of crystallizer copper plates. The stud welding crystallizer copper plate comprises a crystallizer copper plate and a stud, a screw hole for combining the stud is not arranged on a cooling surface of the crystallizer copper plate, a cooling water groove is not arranged on the cooling surface, and the stud is connected to the position, used for being drawn with a crystallizer water tank or a crystallizer back plate, of the cooling surface in a welding mode. Compared with the existing copper plate, the thickness of the stud welding crystallizer copper plate can be reduced, and the equipment cost can be reduced. The processing method of the stud welding crystallizer copper plate comprises the step of welding a stud to the position of a cooling surface of the crystallizer copper plate, wherein the position is used for being drawn with a crystallizer water tank or a crystallizer back plate. By the method, the welding strength of the stud can meet the condition that no desoldering phenomenon occurs between the stud and the copper plate, and the normal operation of the crystallizer during continuous casting is ensured. The crystallizer with the stud welding crystallizer copper plate has low cost and good continuous casting effect.
Description
Technical Field
The invention relates to the technical field of crystallizer copper plates, in particular to a stud welding crystallizer copper plate, a machining method thereof and a crystallizer.
Background
The crystallizer for continuous casting generally comprises a crystallizer copper plate and a crystallizer water tank or a crystallizer copper plate, a crystallizer back plate and a crystallizer water tank; wherein, the back plate of the crystallizer is added to quickly replace the crystallizer. When the crystallizer copper plate is connected with the water tank or the crystallizer back plate, a stud is usually used, one end of the stud is connected with a screw hole of the crystallizer copper plate, and the other end of the stud is fastened by a nut on the surface of the water tank or the crystallizer back plate far away from the contact surface of the copper plate.
In order to ensure that the heat of molten steel is quickly conducted out when the crystallizer copper plate is continuously cast, a blank shell is formed on the working surface of the crystallizer, a plurality of cooling water tanks or a plurality of cooling water holes are usually processed on the cooling surface of the crystallizer copper plate, bolt hole ribs which are vertically arranged are arranged on the cooling surface of the copper plate and avoid the cooling water tanks, and corresponding bolt holes are arranged on the bolt hole ribs; and water channels are dug among the ribs of the bolt holes. The total thickness of the crystallizer copper plate is more than or equal to 40mm, and the depth of the water tank is 15-20 mm.
The copper plate structure at least has the problems of thicker thickness and higher cost of the crystallizer copper plate.
In view of this, the invention is particularly proposed.
Disclosure of Invention
One of the objects of the present invention consists in providing a stud-welding crystallizer copper plate which allows to reduce its thickness and the equipment costs compared to the existing copper plates.
The second purpose of the invention is to provide a method for processing the stud welding crystallizer copper plate.
The third purpose of the invention comprises providing a crystallizer with the stud welding crystallizer copper plate.
The application can be realized as follows:
the first aspect provides a stud welding crystallizer copper plate, including crystallizer copper plate and double-screw bolt, the cooling surface of crystallizer copper plate does not have the screw that is used for closing the double-screw bolt and the cooling surface does not have the cooling water tank, and the double-screw bolt is connected in the position that is used for drawing with crystallizer water tank or crystallizer backplate of cooling surface through the welding mode and closes.
In an alternative embodiment, the weld strength is not less than 250N · m in tension.
In an alternative embodiment, the thickness of the copper plate of the crystallizer is less than or equal to 32 mm.
In an alternative embodiment, the material of the copper plate of the crystallizer is a copper alloy.
In an alternative embodiment, the stud comprises stainless steel.
In an alternative embodiment, the copper alloy includes at least one of CuCrZr and CuAg.
In a second aspect, the present application provides a method for processing a stud welding mold copper plate according to any one of the previous embodiments, comprising: and welding the stud to the position of the cooling surface of the crystallizer copper plate, which is used for drawing with the crystallizer water tank or the crystallizer back plate.
In an alternative embodiment, the welding conditions include: the output voltage is 30V, the output current is 1450-.
In an alternative embodiment, when the copper alloy is CuCrZr, the welding conditions include: the output voltage is 30V, the output current is 1500-1950A, and the pulse welding time is 680-900 ms.
In an alternative embodiment, when the copper alloy is CuAg, the soldering conditions include: the output voltage is 30V, the output current is 1450-1850A, and the pulse welding time is 680-900 ms.
In a third aspect, the present application provides a mold having a stud-welded mold copper plate as in any of the previous embodiments;
in an alternative embodiment, the mold further comprises a water tank or a mold back plate, and the surface of the water tank or the mold back plate, which is used for contacting the mold copper plate, is provided with a groove serving as a cooling water tank.
The beneficial effect of this application includes:
this application does not set up the screw on the cooling surface of crystallizer copper on the one hand, adopts the welding mode to weld the double-screw bolt in the relevant position of cooling surface correspondingly, and on the other hand does not set up cooling trough at the cooling surface of crystallizer copper, can effectively reduce copper thickness and reduction equipment cost. The processing method of the stud welding crystallizer copper plate can ensure normal operation of the crystallizer during continuous casting. The crystallizer with the stud welding crystallizer copper plate transfers a cooling water tank arranged on a cooling surface of the crystallizer copper plate in the prior art to a surface of a crystallizer water tank or a crystallizer back plate, which is used for contacting with the crystallizer copper plate, so that the equipment cost can be further reduced, and a good continuous casting effect can be achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a stud welding crystallizer copper plate provided in an embodiment of the present application at a first viewing angle;
fig. 2 is a schematic structural diagram of a stud welding crystallizer copper plate provided in an embodiment of the present application at a second viewing angle.
Description of the main element symbols: 1-crystallizer copper plate; 2-a stud; 3-working surface; 4-cooling surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The stud welding crystallizer copper plate and the processing method thereof, and a crystallizer provided by the present application are specifically described below.
The inventor finds that: the existing crystallizer copper plate is provided with a cooling water tank on the cooling surface of the crystallizer copper plate, and the cooling surface is provided with a screw hole to realize the threaded connection of the crystallizer copper plate and a crystallizer water tank or a crystallizer back plate so as to play a cooling role. However, the arrangement of the above structure, such as the arrangement of the screw holes, the cooling water tank and the cooling water holes, inevitably increases the thickness of the copper plate of the crystallizer, and the copper material is a precious metal, thereby increasing the cost of the copper plate of the crystallizer.
In view of the above, the present application provides a stud welding crystallizer copper plate, including a crystallizer copper plate and a stud, a cooling surface of the crystallizer copper plate has no screw hole for combining the stud and no cooling water groove, and the stud is connected to a position of the cooling surface for combining with a crystallizer water tank or a crystallizer back plate in a welding manner.
Wherein the crystallizer copper plate has opposite working and cooling surfaces. The working surface is a surface for contacting with a continuous casting billet, and the wear resistance is improved by electroplating and spraying wear-resistant alloy, so that higher steel excess is obtained. The cooling surface is used for welding with the stud, namely the surface directly cooled and exchanged heat with cooling water through a water phase or a back plate water channel.
By adopting the welding mode, the problem of increasing the thickness and the cost of the crystallizer copper plate due to the arrangement of the screw holes in the crystallizer copper plate is avoided.
Correspondingly, since the cooling surface of the crystallizer copper plate has no cooling water groove, the cooling water groove is transferred to the surface of the crystallizer water tank or the crystallizer back plate for contacting with the crystallizer copper plate in the application, and the surface can be a concave surface dug by the joint surface of the crystallizer water tank or the crystallizer back plate for connecting with the crystallizer copper plate.
Through the change, one side can ensure to play good cooling effect to the molten steel, avoids the copper to melt, and on the other hand can avoid setting up the problem of increase crystallizer copper thickness and cost that cooling trough and cooling water hole lead to because of the crystallizer copper.
In the application, the stud can be welded on the cooling surface of the crystallizer copper plate through a stud welding machine. The welding strength is not less than 250 N.m. As a reference, the tensile force of the welding strength can be measured by a torque wrench.
In the application, the thickness of the copper plate of the crystallizer is less than or equal to 32 mm. In some embodiments, the crystallizer copper plate has a thickness of 25-32mm, such as 25mm, 26mm, 28mm, 30mm, or 32mm, etc.
In an alternative embodiment, the stud comprises stainless steel, such as 304 stainless steel.
In an alternative embodiment, the material of the copper plate of the crystallizer is a copper alloy. The copper alloy may include at least one of CuCrZr and CuAg, that is, only CuCrZr or CuAg, or a mixed material of CuCrZr and CuAg. In some alternative embodiments, the narrow face of the crystallizer copper plate can adopt CuCrZr, and the wide face can adopt CuAg.
It is worth noting that other copper alloy materials are generally correspondingly produced into ultrathin slabs, the narrow surfaces and the wide surfaces of the ultrathin slabs are both arc-shaped, welding is not facilitated, and the ultrathin slabs are difficult to repair once deformation is slightly generated. At least one of CuCrZr and CuAg is used as a copper alloy material, the CuAg has high thermal conductivity and low strength, and the copper plate can be repaired for many times when being thick; compared with CuAg, CuCrZr has slightly lower thermal conductivity and higher strength, and can be repaired for many times when the copper plate is thicker.
Further, the present application provides a method of processing a stud welding mold copper plate according to any one of the preceding embodiments, including: and welding the stud to the position of the cooling surface of the crystallizer copper plate, which is used for drawing with the crystallizer water tank or the crystallizer back plate.
In an alternative embodiment, the welding conditions may include: the output voltage is 30V, the output current can be 1450-1950A (such as 1450A, 1500A, 1550A, 1600A, 1650A, 1700A, 1750A, 1800A, 1850A, 1900A or 1950A), and the pulse welding time can be 680-900ms (such as 680ms, 700ms, 750ms, 800ms, 850ms or 900 ms).
In a preferred embodiment, when the copper alloy is CuCrZr, the welding conditions include: the output voltage is 30V, the output current is 1500-.
In a preferred embodiment, when the copper alloy is CuAg, the soldering conditions include: the output voltage is 30V, the output current is 1450-1850A (such as 1450A, 1500A or 1850A), and the pulse welding time is 680-900ms (such as 680ms, 800ms or 900 ms).
It is worth mentioning that in the welding process, too low output current or too short pulse welding time easily causes weak bonding force at the contact part of the stud and the copper plate, the welding is not firm, and the stud and the copper plate are easy to break under the condition of tensile force; the contact part of the stud and the copper plate is easily directly fused in the welding process due to overhigh output current or overlong pulse welding time. This application adopts pulse welding to make double-screw bolt and copper contact department welding even than direct current welding, improves welding strength.
By the welding process, the welding strength of the stud can be sufficient, so that the stud and the copper plate are prevented from being subjected to desoldering, and the normal operation of the crystallizer during continuous casting is ensured.
Further, the present application also provides a mold having a stud-welded mold copper plate according to any of the preceding embodiments. The crystallizer also comprises a water tank or a crystallizer back plate, and a groove serving as a cooling water tank is arranged on the surface of the water tank or the crystallizer back plate, which is used for being in contact with the crystallizer copper plate.
The crystallizer also effectively reduces the equipment cost and has good continuous casting effect.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a stud welding mold copper plate, which is composed of a mold copper plate 1 and a stud 2, wherein the mold copper plate 1 has a working surface 3 and a cooling surface 4. The working surface 3 is a surface of the crystallizer copper plate 1 for contacting with a continuous casting billet, and the cooling surface 4 is a surface of the crystallizer copper plate 1 for welding with the stud 2, namely a surface for directly cooling and exchanging heat with cooling water through a crystallizer water tank or a crystallizer back plate water channel.
The crystallizer copper plate 1 is made of CuAg, and the thickness of the crystallizer copper plate 1 is 32 mm. The stud 2 is made of 304 stainless steel. The cooling surface 4 of the crystallizer copper plate 1 is welded with the stud 2 made of 304 stainless steel.
The welding process conditions include the following: the welding output voltage is 30V, the welding current is 1500A, and the welding pulse time is 800 ms.
And performing nondestructive tension detection and destructive tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the nondestructive tension detection shows that no fracture phenomenon occurs when the tension reaches 250 N.m, and the destructive tension detection shows that all the torques corresponding to the fractures are larger than 300 N.m.
Example 2
As shown in fig. 1 and 2, the present embodiment also provides a stud welding mold copper plate, which is composed of a mold copper plate 1 and a stud 2, wherein the mold copper plate 1 has a working surface 3 and a cooling surface 4. The working surface 3 is a surface of the crystallizer copper plate 1 for contacting with a continuous casting billet, and the cooling surface 4 is a surface of the crystallizer copper plate 1 for welding with the stud 2, namely a surface for directly cooling and exchanging heat with cooling water through a crystallizer water tank or a crystallizer back plate water channel.
The crystallizer copper plate 1 is made of CuAg, and the thickness of the crystallizer copper plate 1 is 30 mm. The stud 2 is made of 304 stainless steel. The cooling surface 4 of the crystallizer copper plate 1 is welded with the stud 2 made of 304 stainless steel.
The welding process conditions include the following: the welding output voltage is 30V, the welding current is 1500A, and the welding pulse time is 900 ms.
And performing nondestructive tension detection and destructive tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the nondestructive tension detection shows that the tension reaches 250 N.m and the fracture phenomenon does not occur, and the destructive tension detection shows that the torque corresponding to the fracture is all larger than 350 N.m.
Example 3
As shown in fig. 1 and 2, the present embodiment also provides a stud welding mold copper plate, which is composed of a mold copper plate 1 and a stud 2, wherein the mold copper plate 1 has a working surface 3 and a cooling surface 4. The working surface 3 is a surface of the crystallizer copper plate 1 for contacting with a continuous casting billet, and the cooling surface 4 is a surface of the crystallizer copper plate 1 for welding with the stud 2, namely a surface for directly cooling and exchanging heat with cooling water through a crystallizer water tank or a crystallizer back plate water channel.
The crystallizer copper plate 1 is made of CuCrZr, and the thickness of the crystallizer copper plate 1 is 25 mm. The stud 2 is made of 304 stainless steel. The cooling surface 4 of the crystallizer copper plate 1 is welded with the stud 2 made of 304 stainless steel.
The welding process conditions include the following: the welding output voltage was 30V, the welding current was 1655A, and the pulse time was 720 ms.
And performing nondestructive tension detection and destructive tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the nondestructive tension detection shows that the tension reaches 250 N.m and the fracture phenomenon does not occur, and the destructive tension detection shows that the torque corresponding to the fracture is all larger than 350 N.m.
Example 4
As shown in fig. 1 and 2, the present embodiment also provides a stud welding mold copper plate, which is composed of a mold copper plate 1 and a stud 2, wherein the mold copper plate 1 has a working surface 3 and a cooling surface 4. The working surface 3 is a surface of the crystallizer copper plate 1 for contacting with a continuous casting billet, and the cooling surface 4 is a surface of the crystallizer copper plate 1 for welding with the stud 2, namely a surface for directly cooling and exchanging heat with cooling water through a crystallizer water tank or a crystallizer back plate water channel.
The crystallizer copper plate 1 is made of CuCrZr, and the thickness of the crystallizer copper plate 1 is 26 mm. The stud 2 is made of 304 stainless steel. The cooling surface 4 of the crystallizer copper plate 1 is welded with the stud 2 made of 304 stainless steel.
The welding process conditions include the following: the welding output voltage is 30V, the welding current is 1800A, and the pulse time is 760 ms.
And performing nondestructive tension detection and destructive tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the nondestructive tension detection shows that the tension reaches 250 N.m and the fracture phenomenon does not occur, and the destructive tension detection shows that the torque corresponding to the fracture is all larger than 400 N.m.
Example 5
As shown in fig. 1 and 2, the present embodiment also provides a stud welding mold copper plate, which is composed of a mold copper plate 1 and a stud 2, wherein the mold copper plate 1 has a working surface 3 and a cooling surface 4. The working surface 3 is a surface of the crystallizer copper plate 1 for contacting with a continuous casting billet, and the cooling surface 4 is a surface of the crystallizer copper plate 1 for welding with the stud 2, namely a surface for directly cooling and exchanging heat with cooling water through a crystallizer water tank or a crystallizer back plate water channel.
The crystallizer copper plate 1 is made of CuCrZr, and the thickness of the crystallizer copper plate is 28 mm. The stud 2 is made of 304 stainless steel. The cooling surface 4 of the crystallizer copper plate 1 is welded with the stud 2 made of 304 stainless steel.
The welding process conditions include the following: the welding output voltage is 30V, the welding current is 1850A, and the pulse time is 760 ms.
And performing nondestructive tension detection and destructive tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the nondestructive tension detection shows that the tension reaches 250 N.m and the fracture phenomenon does not occur, and the destructive tension detection shows that the torque corresponding to the fracture is all larger than 420 N.m.
Example 6
This example differs from example 1 in that: the welding output current is 1450A, the pulse time is 760ms, and the destructive tension detection shows the torque 275N m corresponding to the fracture.
Example 7
This example differs from example 1 in that: the welding output current is 1850A, the pulse time is 760ms, and the destructive tension detection shows that the torque corresponding to the fracture is 450 N.m.
Example 8
This example differs from example 1 in that: the pulse welding time was 680ms, and the destructive tension test showed a torque of 300N · m corresponding to the break.
Example 9
This example differs from example 3 in that: the welding output current is 1500A, and the destructive tension detection shows that the torque corresponding to the fracture is 300 N.m.
Example 10
This example differs from example 3 in that: the welding output current is 1950A, and destructive tension detection shows that the torque corresponding to breakage is 300 N.m, and the spatter is large.
Example 11
This example differs from example 3 in that: the pulse welding time was 680ms, and the destructive tension test showed a torque of 400N · m corresponding to the break.
Example 12
This example differs from example 3 in that: the pulse welding time was 900ms, and the destructive pull test showed a torque of 320N · m corresponding to the break.
Comparative example 1
This comparative example differs from example 1 in that:
the welding process conditions are as follows: the welding output voltage was 30V, the welding current was 1350A, and the welding pulse time was 800 ms.
And (3) performing tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the result shows that all studs 2 are broken at the welding position before the tension is less than 250 N.m.
Comparative example 2
This comparative example differs from example 2 in that:
the welding process conditions are as follows: the welding output voltage was 30V, the welding current was 1950A, and the welding pulse time was 800 ms.
The stud 2 is directly fused at the contact part with the crystallizer copper plate 1.
Comparative example 3
This comparative example differs from example 3 in that:
the welding process conditions are as follows: the welding output voltage is 30V, the welding current is 1400A, and the pulse time is 760 ms.
And (3) performing tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the result shows that all studs 2 are broken at the welding position before the tension is less than 250 N.m.
Comparative example 4
This comparative example differs from example 4 in that:
the welding process conditions are as follows: the welding output voltage is 30V, the welding current is 1950A, and the pulse time is 850 ms.
Performing nondestructive tension detection and destructive tension detection on the welded stud welding crystallizer copper plate by using a torque wrench, wherein the nondestructive tension detection shows that no fracture phenomenon occurs when the tension reaches 250 N.m, but the welding spatters seriously; destructive tensile testing showed that the torque at break was all greater than 300N · m.
Comparative example 5
This comparative example differs from example 5 in that:
the welding process conditions include the following: the welding output voltage is 30V, the welding current is 2000A, and the pulse time is 800 ms.
The stud 2 is directly fused at the contact part with the crystallizer copper plate 1.
To sum up, this application does not set up the screw on the cooling surface of crystallizer copper plate on the one hand, adopts the welding mode to weld the double-screw bolt in the relevant position of cooling surface correspondingly, and on the other hand does not set up cooling trough at the cooling surface of crystallizer copper plate, can effectively reduce copper thickness and reduction equipment cost. The processing method of the stud welding crystallizer copper plate can ensure normal operation of the crystallizer during continuous casting. The crystallizer with the stud welding crystallizer copper plate transfers a cooling water tank arranged on a cooling surface of the crystallizer copper plate in the prior art to a surface of a crystallizer water tank or a crystallizer back plate, which is used for contacting with the crystallizer copper plate, so that the equipment cost can be further reduced, and a good continuous casting effect can be achieved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The stud welding crystallizer copper plate is characterized by comprising a crystallizer copper plate and a stud, wherein a cooling surface of the crystallizer copper plate is free of a screw hole for combining the stud and a cooling water groove, and the stud is connected to the position, used for being combined with a crystallizer water tank or a crystallizer back plate, of the cooling surface in a welding mode;
the thickness of the crystallizer copper plate is 25-32 mm;
the crystallizer copper plate is made of copper alloy; the stud is made of stainless steel; the copper alloy adopts at least one of CuCrZr and CuAg;
the processing method of the stud welding crystallizer copper plate comprises the following steps: welding the studs to the positions, used for being drawn with a crystallizer water tank or a crystallizer back plate, of the cooling surface of the crystallizer copper plate;
the welding conditions include: the output voltage is 30V, the output current is 1450-1850A, and the pulse welding time is 680-900 ms.
2. The crystallizer copper plate as claimed in claim 1, characterized in that the welding strength is a tensile force not less than 250N-m.
3. A method for machining a crystallizer copper plate for stud welding according to claim 1 or 2, characterized in that it comprises: and welding the studs to the positions of the cooling surfaces of the crystallizer copper plate, which are used for being drawn with a crystallizer water tank or a crystallizer back plate.
4. The processing method according to claim 3, wherein when the material of the mold copper plate is CuCrZr, the welding conditions include: the output voltage is 30V, the output current is 1500-1850A, and the pulse welding time is 680-900 ms.
5. The processing method according to claim 3, wherein when the material of the mold copper plate is CuAg, the welding conditions include: the output voltage is 30V, the output current is 1450-1850A, and the pulse welding time is 680-900 ms.
6. A mould, characterized by having a stud-welded mould copper plate according to claim 1 or 2; the crystallizer also comprises a crystallizer water tank or a crystallizer back plate, and a groove serving as a cooling water tank is arranged on the surface of the crystallizer water tank or the crystallizer back plate, which is used for being in contact with the crystallizer copper plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089381.7A CN112207242B (en) | 2020-10-13 | 2020-10-13 | Stud welding crystallizer copper plate and machining method thereof, and crystallizer |
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| CN202011089381.7A CN112207242B (en) | 2020-10-13 | 2020-10-13 | Stud welding crystallizer copper plate and machining method thereof, and crystallizer |
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| CN112207242B true CN112207242B (en) | 2022-01-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3709286A (en) * | 1970-11-02 | 1973-01-09 | United States Steel Corp | Continuous-casting mold with thin-walled copper liner |
| DE19716450A1 (en) * | 1996-05-13 | 1998-05-28 | Km Europa Metal Ag | Liquid-cooled mold |
| CN1322596A (en) * | 2000-03-25 | 2001-11-21 | Sms迪马格股份公司 | Liquid-cooling plate type crystallizer |
| CN1383955A (en) * | 2001-08-02 | 2002-12-11 | 西峡龙成冶材集团有限公司 | Welding process between copper plate of Cr-Zr-Cu crystallizer and stainless steel screw bolt |
| CN101772387A (en) * | 2007-06-04 | 2010-07-07 | Sms康卡斯特股份公司 | Casting die for continuous casting of blooms, slabs, and billets |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03258440A (en) * | 1990-03-06 | 1991-11-18 | Mitsubishi Materials Corp | Mold for continuous casting |
-
2020
- 2020-10-13 CN CN202011089381.7A patent/CN112207242B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3709286A (en) * | 1970-11-02 | 1973-01-09 | United States Steel Corp | Continuous-casting mold with thin-walled copper liner |
| DE19716450A1 (en) * | 1996-05-13 | 1998-05-28 | Km Europa Metal Ag | Liquid-cooled mold |
| CN1322596A (en) * | 2000-03-25 | 2001-11-21 | Sms迪马格股份公司 | Liquid-cooling plate type crystallizer |
| CN1383955A (en) * | 2001-08-02 | 2002-12-11 | 西峡龙成冶材集团有限公司 | Welding process between copper plate of Cr-Zr-Cu crystallizer and stainless steel screw bolt |
| CN101772387A (en) * | 2007-06-04 | 2010-07-07 | Sms康卡斯特股份公司 | Casting die for continuous casting of blooms, slabs, and billets |
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| CN112207242A (en) | 2021-01-12 |
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