CN215356077U - High-pulling-speed sheet billet continuous casting crystallizer and copper plate thereof - Google Patents
High-pulling-speed sheet billet continuous casting crystallizer and copper plate thereof Download PDFInfo
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- CN215356077U CN215356077U CN202120980660.6U CN202120980660U CN215356077U CN 215356077 U CN215356077 U CN 215356077U CN 202120980660 U CN202120980660 U CN 202120980660U CN 215356077 U CN215356077 U CN 215356077U
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Abstract
The application provides a high-pulling-speed sheet billet continuous casting crystallizer and a copper plate thereof, belonging to the technical field of crystallizers. The copper plate comprises a crystallizer copper plate body, a reinforcing rib and a flow guide cooling rib; the front surface of the crystallizer copper plate body is a working surface, the back surface of the crystallizer copper plate body is a cooling surface, the periphery of the cooling surface is a sealing surface, the cooling surface and the sealing surface are provided with a plurality of pin bolt screw holes used for being connected with a water tank in a row along the flowing direction of a coolant, the cooling surface is provided with a plurality of pin bolt screw holes in a row perpendicular to the flowing direction of the coolant, the pin bolt screw holes in the same row are connected through reinforcing ribs, and a relatively independent cooling interval is formed between two adjacent rows of reinforcing ribs; in each cooling interval, two opposite diversion cooling ribs are respectively arranged along the flowing direction of the coolant. This copper has reduced the procedure under the prerequisite of guaranteeing copper intensity, and the cooling interval of relative broad is more convenient to be processed, and the setting up of water conservancy diversion cooling muscle has increased the contact surface of coolant with the copper, and the cooling effect is more excellent.
Description
Technical Field
The utility model relates to the technical field of crystallizers, in particular to a high-pulling-speed sheet billet continuous casting crystallizer and a copper plate thereof.
Background
Generally, a mold copper plate for continuous casting of metals is made of copper or a copper alloy, is connected with a water tank through bolts, and has a gap with the water tank as a flow passage of a coolant, wherein a surface in contact with molten steel is a working surface and a surface in contact with the coolant is a cooling surface.
However, when the mold copper plate of the prior art is used in a continuous casting apparatus, due to a large heat supply from the casting process, the mold copper plate may be undesirably locally overheated under certain process conditions, resulting in deformation of the mold copper plate.
At present, some compound cooling structure's ultrathin slab crystallizer copper, including openly being the working face, the back is the copper main part of cooling surface, set up a plurality of cooling flumes in the back and in the regional lower part of meniscus, just set up a plurality of cooling water holes at the back and in the regional setting of meniscus, the central line in cooling water hole is on a parallel with the copper openly, the central line in cooling water hole and cooling water course central line apart from positive distance equal, set up the horizontal groove of intercommunication the two at cooling water hole and cooling water groove juncture position, the quantity in cooling water hole is more than the quantity in cooling water groove, and the cooling water hole is equidistant setting. However, it has at least the following problems: the cooling effect is not good.
This application is hereby expressly made.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a high casting speed thin slab continuous casting mold copper plate to solve the above-mentioned technical problems.
The second object of the present invention is to provide a high casting speed thin slab continuous casting mold having all the effects of the above mold copper plate.
The utility model can be realized as follows:
in a first aspect, the utility model provides a high-pulling-speed sheet billet continuous casting crystallizer copper plate, which comprises a crystallizer copper plate body, reinforcing ribs and flow guide cooling ribs;
the front surface of the crystallizer copper plate body is a working surface, the back surface of the crystallizer copper plate body is a cooling surface, the periphery of the cooling surface is a sealing surface, the cooling surface and the sealing surface are provided with a plurality of pin bolt screw holes used for being connected with a water tank in a row along the flowing direction of a coolant, the cooling surface is provided with a plurality of pin bolt screw holes in a row perpendicular to the flowing direction of the coolant, the pin bolt screw holes in the same row are connected through reinforcing ribs, and a relatively independent cooling interval is formed between two adjacent rows of reinforcing ribs;
in each cooling interval, two opposite diversion cooling ribs are respectively arranged along the flowing direction of the coolant.
The width of the diversion cooling ribs is 5-8mm, and the space interval of the relatively independent cooling regions is 150-180 mm;
the space distance between the diversion cooling ribs and the reinforcing ribs is 10-16 mm.
In an alternative embodiment, a positioning step for assembling and positioning the cover plate is arranged between at least part of two adjacent bolt holes in the same column; the positioning step is also provided with a fixing hole for fixing the cover plate.
In an alternative embodiment, each positioning step is of equal height relative to the cooling surface, and each positioning step is of lower height relative to the cooling surface than the bolt hole.
In an alternative embodiment, the step surface of the positioning step is lower than the height of the sealing surface and the height of the bead.
In an alternative embodiment, the two ends of the cooling surface are respectively a high-temperature region and a low-temperature region along the flowing direction of the coolant, the diversion cooling ribs penetrate through the bottom of the low-temperature region and the top of the high-temperature region, and the height of the diversion cooling ribs relative to the cooling surface is lower than that of the positioning steps relative to the cooling surface.
In an alternative embodiment, in the low temperature region, the width of the reinforcing ribs is greater than the diameter of the bolt hole; in the high temperature region, the width of at least part of the reinforcing ribs is smaller than the width of the bolt hole.
In a second aspect, the present invention further provides a high casting speed thin slab continuous casting mold comprising a cover plate and a high casting speed thin slab continuous casting mold copper plate as in any one of the previous embodiments, wherein the cover plate is detachably connected with the high casting speed thin slab continuous casting mold copper plate.
In an alternative embodiment, the cover plate is arranged between the cooling surface and the water tank through a positioning step in the copper plate of the high-casting-speed thin slab continuous casting crystallizer, and the cover plate is integrally matched with the cooling area.
In an optional embodiment, the cover plate is formed by sequentially splicing a plurality of first cover plates and a plurality of second cover plates, the edges of the first cover plates, which are used for being spliced with the second cover plates, are provided with bumps, and the edges of the second cover plates, which are used for being spliced with the first cover plates, are provided with grooves matched with the bumps.
In an alternative embodiment, a water gap is formed between the cover plate and the cooling zones, and in each cooling zone, the contact surface of the cover plate for contact with the coolant is parallel to the cooling surface in the flow direction of the coolant.
The beneficial effects of the utility model include:
according to the utility model, two opposite diversion cooling ribs are respectively arranged at the positions which are relatively close to the reinforcing ribs along the flowing direction of the coolant in each independent cooling interval, so that the processing procedures can be reduced on the premise of ensuring the strength of the copper plate, the relatively wider cooling interval is more convenient to process, meanwhile, the arrangement of the diversion cooling ribs can increase the contact surface between the coolant at the reinforcing ribs and the copper plate, the cooling capacity of the reinforcing ribs is improved, the cooling in the whole relatively independent cooling interval is more uniform, and the cooling effect is more excellent.
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 high-casting-speed thin slab continuous casting mold copper plate provided by an embodiment of the utility model;
fig. 2 is a schematic diagram of an arrangement structure of cover plates matched with a copper plate of a continuous casting crystallizer provided by an embodiment of the utility model;
fig. 3 is a schematic structural view of the continuous casting mold copper plate and the cover plate after being assembled according to the embodiment of the present invention;
fig. 4 is a schematic sectional end view of the continuous casting mold copper plate and the cover plate of fig. 3 along the direction "a-a" after being assembled according to an embodiment of the present invention.
Icon: 1-sealing surface; 2-cooling interval; 3-bolt screw holes; 4-reinforcing ribs; 5-cover plate; 51-removing light treatment cover plate; 6-positioning a step; 7-fixing holes; 8-diversion cooling ribs; 9-water seam; 10-a working surface; 11-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 with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "parallel" or like terms do not require that the components be perfectly parallel, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The high casting speed thin slab continuous casting mold and the copper plate thereof provided by the present application will be described in detail below.
The inventor researches and proposes that the reasons of the problems of poor cooling effect and inconvenient cleaning and maintenance of the cooling section of the ultrathin slab crystallizer copper plate with the composite cooling structure in the prior art at least comprise the following aspects: firstly, the rib plate where the bolt screw hole is located needs to have a certain width, so that the distance between the cooling water tanks is not uniform, and further, the cooling water tanks and the rib plate area are not uniformly cooled; secondly, the width of the water gap of the crystallizer copper plate is adjusted by using screws, and the screws are inserted into the water gap to cause local turbulence of water flow; thirdly, the full water tank structure of above-mentioned crystallizer copper leads to panel quantity many, is unfavorable for installation maintenance and later stage basin clearance.
In view of the above, the present application proposes a high-pulling-speed thin slab continuous casting mold, which comprises a high-pulling-speed thin slab continuous casting mold copper plate and a cover plate 5, wherein the cover plate 5 is detachably connected with the high-pulling-speed thin slab continuous casting mold copper plate. The high-pulling-speed sheet billet continuous casting crystallizer copper plate comprises a crystallizer copper plate body, a reinforcing rib 4 and a diversion cooling rib 8. Wherein, the structural schematic diagram of the crystallizer copper plate is shown in fig. 1, the structural schematic diagram of the cover plate is shown in fig. 2, the structural schematic diagram of the crystallizer copper plate after being assembled with the cover plate 5 is shown in fig. 3, and the high-pulling-speed thin slab continuous casting crystallizer copper plate after being assembled with the cover plate 5 is fixed on a water tank not shown. The direction represented by "L" in fig. 1 is the flow direction of the coolant.
Referring to fig. 4 again, the front surface of the crystallizer copper plate body is a working surface 10, the back surface is a cooling surface 11, the periphery of the cooling surface 11 is a sealing surface 1, the cooling surface 11 and the sealing surface 1 are provided with a plurality of pin bolt screw holes 3 in a row along the direction of coolant flow for connecting with a water tank (not shown), the cooling surface 11 is provided with a plurality of pin bolt screw holes 3 in a row perpendicular to the direction of coolant flow, the pin bolt screw holes 3 in the same row are connected through reinforcing ribs 4, and a relatively independent cooling area 2 is formed between two adjacent rows of reinforcing ribs 4.
In each cooling zone 2, two opposite diversion cooling ribs 8 are respectively arranged along the flowing direction of the coolant.
The width of the diversion cooling ribs 8 is 5-8mm (for example, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm or 8mm, etc.), and the space interval of the relatively independent cooling sections 2 is 150mm and 180mm (for example, 150mm, 155mm, 160mm, 165mm, 170mm, 175mm or 180mm, etc.); the space distance between the diversion cooling ribs 8 and the reinforcing ribs 4 is 10-16mm (for example, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm or 16 mm).
For ease of understanding, the present application defines the direction along which the coolant flows as "vertical" and the direction perpendicular to the coolant flow as "lateral".
The working surface 10 of the copper plate body of the crystallizer is funnel-shaped in the middle part of the length direction, and the term "length direction" is understood to mean the direction perpendicular to the flowing direction of the coolant, namely the transverse direction.
Two opposite diversion cooling ribs 8 arranged in each cooling region 2 are respectively positioned at the positions of the cooling regions 2 close to the left edge and the right edge of the cooling regions. In the preferred embodiment, the flow-guiding cooling ribs 8 of all cooling zones 2 are arranged parallel to the reinforcing ribs 4, except for the two cooling zones 2 located outermost. And the two diversion cooling ribs 8 are arranged in the two cooling areas 2 positioned on the outermost side, wherein the diversion cooling ribs 8 facing one side inside the crystallizer copper plate body are arranged in parallel with the reinforcing ribs 4, and the diversion cooling ribs 8 facing the outer side of the crystallizer copper plate body are arranged in parallel with the sealing surface 1.
In this application, along the direction that the coolant flows, the both ends of cooling surface 11 are high temperature area and low temperature zone respectively, and water conservancy diversion cooling muscle 8 runs through the bottom of low temperature area and the top of high temperature area, "run through" here can understand that water conservancy diversion cooling muscle 8 is from the bottom of the low temperature area of crystallizer copper body to the top of high temperature area directly, also can understand that the bottom of the low temperature area of crystallizer copper body all corresponds water conservancy diversion cooling muscle 8 to the top of high temperature area.
Through in every independent cooling interval 2, along the flow direction of coolant, equally divide and do not set up two relative water conservancy diversion cooling muscle 8, can be under the prerequisite of guaranteeing copper intensity, reduce the procedure, the cooling interval 2 of relative broad is more convenient to process, the coolant that sets up 4 positions of multiplicable strengthening rib of water conservancy diversion cooling muscle 8 simultaneously and the contact surface of copper, make 4 position cooling capacities of strengthening rib improve, it is more even to cool off at whole 2 relatively independent cooling intervals, the cooling effect is more excellent.
In an alternative embodiment, a positioning step 6 for fitting and positioning the cover plate 5 is provided between at least partially adjacent two bolt hole 3 of the same row. That is, the positioning step 6 may be provided between all adjacent two bolt holes 3 in the same row, or the positioning step 6 may be provided between some adjacent two bolt holes 3, and the positioning step 6 is not provided between some adjacent two bolt holes 3. The positioning step 6 is also provided with a fixing hole 7 for fixing the cover plate 5.
In some preferred embodiments, a positioning step 6 is disposed between two adjacent bolt holes 3 in the high temperature region, a positioning step 6 is disposed between two adjacent bolt holes 3 in a portion of the low temperature region close to the high temperature region, and a positioning step 6 may not be disposed between two adjacent bolt holes 3 in a portion of the low temperature region far from the high temperature region.
In the application, the height of each positioning step 6 relative to the cooling surface 11 is equal, and the height of each positioning step 6 relative to the cooling surface 11 is lower than that of the bolt screw hole 3.
Further, the step surface of the positioning step 6 is lower than the height of the seal face 1 and the height of the rib 4. The height of the diversion cooling ribs 8 relative to the cooling surface 11 is lower than the height of the positioning steps 6 relative to the cooling surface 11 (it can also be understood that the diversion cooling ribs 8 are lower than the positioning steps 6 in the height direction vertical to the bottom of the cooling area 2).
In the application, in the low-temperature region, the width of the reinforcing rib 4 is larger than the diameter of the bolt screw hole 3; in the high temperature region, the width of at least part of the reinforcing ribs 4 is smaller than the width of the bolt hole 3.
In the high-temperature area, the width of the reinforcing ribs 4 in the area with the lower width of the reinforcing ribs 4 is relatively reduced, and specifically, the width of the reinforcing ribs 4 in the high-temperature area is obviously smaller than the diameter of the bolt screw holes 3.
The reinforcing ribs 4 in different temperature zones are set to have different widths, so that the cooling and heat transfer effects of the high-temperature zone of the copper plate of the crystallizer can be improved. Specifically, the assembly scheme of crystallizer that this application provided, the current water tank of make full use of considers crystallizer copper thermal stress and hot crack simultaneously and concentrates on copper upper portion high temperature area, and the key is to copper upper portion water-cooling structure transformation, strengthens the water-cooling effect, and strengthening rib 4 between the high temperature zone cotter screw 3 adopts the wall thickness that reduces, under the prerequisite of guaranteeing that copper mechanical strength does not reduce, improves the cooling water contact surface as far as possible.
In the application, the cover plate 5 is arranged between the cooling surface 11 and the water tank through the positioning step 6 in the copper plate of the high-pulling-speed thin slab continuous casting crystallizer and can be fixed by the fixing hole 7. The cover plate 5 is integrally matched to the cooling space 2.
In reference, the cover plate 5 in the present application is formed by sequentially splicing a plurality of first cover plates 5 and second cover plates 5, the edge of the first cover plate 5 for splicing with the second cover plate 5 is provided with a bump, and the edge of the second cover plate 5 for splicing with the first cover plate 5 is provided with a groove matched with the bump. The first cover plate 5 and the second cover plate 5 are fitted to the respective cooling sections 2. That is, the plurality of first cover plates 5 and the plurality of second cover plates 5 are clamped by the mutually matched convex blocks and grooves to obtain the integral cover plate 5.
The assembled cover plate 5 has a gap with the cooling space 2, which forms a water gap 9. Along the flowing direction of the coolant, in each cooling zone 2, the contact surface of the cover plate 5 for contacting with the coolant is parallel to the cooling surface 11 (can be understood as almost in a parallel state), so that the height of a water gap 9 in the same cooling zone 2 can be ensured to be equal, the water gap 9 is changed along with the change of the curvature of the copper plate funnel area of the crystallizer, the uniformity of cooling can be effectively ensured, and the casting blank forming quality is improved.
Preferably, at least a part of the cover plate 5 is subjected to a de-lightening treatment on the surface of the cover plate 5 close to the water tank, and the corresponding de-lightened cover plate 5 is called a 'de-lightened cover plate 51'. It may be referred to as a delustring treatment of the middle part of the face of the partial cover 5 facing the water tank.
Through setting up the apron 5 with the whole matching of cooling interval 2, be convenient for on the one hand assemble and the interval 2 washing of later stage cooling maintain, on the other hand is favorable to reducing material cost through removing the processing of subtracting the heaviness.
Bearing, the high casting speed sheet billet continuous casting crystallizer that this application provided can be under the prerequisite of guaranteeing crystallizer copper heat exchange efficiency, especially high temperature zone heat exchange efficiency, plays the effect of being convenient for processing through the cooling interval 2 that sets up the broad, can play the effect of convenient assembly and be convenient for wash maintenance cooling interval 2 through the apron 5 that sets up the matching.
It should be noted that other structures and connection relationships of the continuous casting mold copper plate and the continuous casting mold, etc. which are not disclosed in the present application, can refer to the prior art, and are not described in detail herein.
In conclusion, the high-pulling-speed thin slab continuous casting crystallizer provided by the application has at least the following advantages:
firstly, a flow guide cooling rib 8 is respectively arranged in each independent cooling section 2 along the reinforcing rib 4 and the sealing surface 1, on the premise of ensuring the strength of the copper plate, processing procedures are reduced, the relatively wide cooling section 2 is more convenient to process, the cooling capacity of the reinforcing rib 4 is improved due to the arrangement of the flow guide cooling rib 8 close to the reinforcing rib 4, the cooling is more uniform in the whole relatively independent cooling section 2, and the cooling effect is better; after the cover plate 5 matched with the cooling area 2 is assembled with the copper plate, the formed water gap 9 changes along with the curvature change of the area of the copper plate funnel of the crystallizer, so that the uniformity of cooling is ensured, and the casting blank forming quality is improved.
Secondly, the assembly scheme of the crystallizer is unchanged, the existing water tank is fully utilized, the condition that the thermal stress and the thermal cracks of the copper plate of the crystallizer are concentrated in the high-temperature area on the upper part of the copper plate is considered, the water cooling structure on the upper part of the copper plate is mainly improved, the water cooling effect is enhanced, the reinforcing ribs 4 between the threaded holes of the high-temperature area adopt the reduced wall thickness, and the contact surface of cooling water is improved as much as possible on the premise of ensuring that the mechanical strength of the copper plate is not reduced.
And the cover plate 5 matched with the cooling section 2 is adopted, on one hand, the assembly and the cleaning and maintenance of the cooling section 2 in the later period are convenient, and on the other hand, the cover plate 5 is subjected to light and weight removal treatment, so that the material cost is favorably reduced.
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 (10)
1. A high-pulling-speed sheet billet continuous casting crystallizer copper plate is characterized by comprising a crystallizer copper plate body, reinforcing ribs and diversion cooling ribs;
the front surface of the crystallizer copper plate body is a working surface, the back surface of the crystallizer copper plate body is a cooling surface, the periphery of the cooling surface is a sealing surface, the cooling surface and the sealing surface are both provided with a plurality of pin bolt screw holes used for being connected with a water tank in a row along the flowing direction of a coolant, the cooling surface is provided with a plurality of pin bolt screw holes in a row perpendicular to the flowing direction of the coolant, the pin bolt screw holes in the same row are connected through the reinforcing ribs, and a relatively independent cooling interval is formed between two adjacent rows of the reinforcing ribs;
two opposite diversion cooling ribs are respectively arranged in each cooling interval along the flowing direction of the coolant;
the width of the flow guide cooling rib is 5-8mm, and the space interval of the relatively independent cooling interval is 150-180 mm;
the space distance between the diversion cooling ribs and the reinforcing ribs is 10-16 mm.
2. The high-casting-speed thin slab continuous casting mold copper plate as claimed in claim 1, wherein a positioning step for fitting and positioning a cover plate is provided between at least some adjacent two of said bolt holes in the same row;
the positioning step is also provided with a fixing hole for fixing the cover plate.
3. The high casting speed thin slab continuous casting mold copper plate as claimed in claim 2, wherein each of the positioning steps has an equal height with respect to the cooling surface, and each of the positioning steps has a height with respect to the cooling surface lower than the height of the bolt threaded hole.
4. The high casting speed thin slab continuous casting mold copper plate as claimed in claim 3, wherein the positioning step has a step surface lower than the height of the sealing surface and the height of the reinforcing rib.
5. The high-pulling-speed thin slab continuous casting mold copper plate as claimed in claim 4, wherein the cooling surface has a high temperature zone and a low temperature zone at both ends thereof, respectively, in the direction of the coolant flow, and the flow-guiding cooling rib extends through the bottom of the low temperature zone and the top of the high temperature zone, and the height of the flow-guiding cooling rib with respect to the cooling surface is lower than the height of the positioning step with respect to the cooling surface.
6. The high casting speed thin slab continuous casting mold copper plate as claimed in claim 5, wherein in the low temperature zone, the width of the reinforcing rib is larger than the diameter of the bolt screw hole; in the high-temperature area, the width of at least part of the reinforcing ribs is smaller than that of the bolt screw holes.
7. A high casting speed thinslab continuous casting mold comprising a cover plate and a high casting speed thinslab continuous casting mold copper plate according to any one of claims 1 to 6, the cover plate being detachably connected to the high casting speed thinslab continuous casting mold copper plate.
8. The high-casting-speed thin slab continuous casting mold of claim 7, wherein the cover plate is disposed between the cooling surface and the water tank by a positioning step in a copper plate of the high-casting-speed thin slab continuous casting mold, and the cover plate is integrally matched with the cooling zone.
9. The high-casting-speed thin slab continuous casting mold according to claim 8, wherein the cover plate is formed by sequentially splicing a plurality of first cover plates and second cover plates, the edges of the first cover plates for splicing with the second cover plates are provided with protrusions, and the edges of the second cover plates for splicing with the first cover plates are provided with grooves matched with the protrusions.
10. The high-casting-speed thin slab continuous casting mold according to claim 8, wherein a water gap is formed between the cover plate and the cooling zones, and a contact surface of the cover plate for contacting with the coolant is parallel to the cooling surface in each cooling zone in a flow direction of the coolant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120980660.6U CN215356077U (en) | 2021-05-07 | 2021-05-07 | High-pulling-speed sheet billet continuous casting crystallizer and copper plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120980660.6U CN215356077U (en) | 2021-05-07 | 2021-05-07 | High-pulling-speed sheet billet continuous casting crystallizer and copper plate thereof |
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| CN215356077U true CN215356077U (en) | 2021-12-31 |
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| CN202120980660.6U Active CN215356077U (en) | 2021-05-07 | 2021-05-07 | High-pulling-speed sheet billet continuous casting crystallizer and copper plate thereof |
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