CN115007816A - Thin slab continuous casting crystallizer copper plate with cooling structure - Google Patents
Thin slab continuous casting crystallizer copper plate with cooling structure Download PDFInfo
- Publication number
- CN115007816A CN115007816A CN202210486484.XA CN202210486484A CN115007816A CN 115007816 A CN115007816 A CN 115007816A CN 202210486484 A CN202210486484 A CN 202210486484A CN 115007816 A CN115007816 A CN 115007816A
- Authority
- CN
- China
- Prior art keywords
- cooling
- copper plate
- water tank
- cooling water
- area
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- B22D11/055—Cooling the moulds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention provides a sheet billet continuous casting crystallizer copper plate with a cooling structure, and relates to the technical field of metallurgy continuous casting. The high-temperature area diversion cooling ribs are arranged on the two sides of the cooling surface, the two cooling areas adjacent to the two side straight portions on each side comprise high-temperature area diversion cooling ribs, transition area diversion cooling ribs and low-temperature area diversion cooling ribs, and the height and the width of the high-temperature area diversion cooling ribs are smaller than those of the transition area diversion cooling ribs and those of the low-temperature area diversion cooling ribs; the cooling water tank comprises a high-temperature area cooling water tank, a transition area cooling water tank and a low-temperature area cooling water tank, and the width of the high-temperature area cooling water tank is larger than the width of the transition area cooling water tank and the width of the low-temperature area cooling water tank. By optimally designing the high-temperature area, the cooling capacity of the copper plate is improved, the temperature of the hot surface of the eddy current area with high heat flux density is reduced, the occurrence of crack of the copper plate is improved or completely eliminated, and the service life of the copper plate is prolonged.
Description
Technical Field
The invention relates to the technical field of metallurgical continuous casting, in particular to a thin slab continuous casting crystallizer copper plate with a cooling structure.
Background
The continuous casting crystallizer is a place where the liquid steel starts to generate a primary blank shell and the thickness of the blank shell is gradually increased, and the cooling structure design of the crystallizer copper plate is reasonable or not, so that the service life of the crystallizer copper plate, the casting quality and the operation rate of a continuous casting machine are directly influenced. The continuous casting crystallizer is sequentially provided with a low-temperature area, a transition area and a high-temperature area from bottom to top, wherein the middle part of the continuous casting crystallizer is a straight part or a funnel part, and the two sides of the continuous casting crystallizer are straight parts in the width direction of the cooling surface. With the development and popularization of high-efficiency continuous casting technology, the continuous casting crystallizer is more and more valued by people as the heart equipment of a continuous casting machine. The related technicians continuously search the advanced technology to improve the heat transfer condition of the crystallizer copper plate, particularly when molten steel is injected into the crystallizer, vortex high-temperature areas are easily formed at the upper parts of the straight parts at the two sides of the pouring pipe, the heat flow density is high, the temperature of the hot surface of the crystallizer copper plate at the position is high, and the copper plate is easy to crack. How to reduce the surface cracks of the crystallizer copper plate and prolong the service life of the crystallizer becomes the focus of attention of the continuous casting field.
How to design a high-efficiency uniform crystallizer copper plate cooling structure, the problem that the crystallizer copper plate cracks caused by the fact that the local temperature of the crystallizer copper plate is too high or the temperature gradient changes too much and the thermal stress is concentrated to meet the requirement of high pulling speed is urgently needed to be solved by technical personnel is solved.
Patent document No. CN107116186B discloses an ultrathin slab crystallizer copper plate with a composite cooling structure, which comprises a copper plate main body with a front surface as a working surface and a back surface as a cooling surface, wherein a plurality of cooling water channels are arranged on the back surface and at the lower part of a meniscus area, a plurality of cooling water holes are arranged on the back surface and at the meniscus area, the central lines of the cooling water holes are parallel to the front surface of the copper plate, the distances between the central lines of the cooling water holes and the central lines of the cooling water channels are equal, transverse grooves communicating the cooling water holes and the cooling water channels are arranged at the junction positions of the cooling water holes and the cooling water channels, the number of the cooling water holes is more than that of the cooling water channels, and the cooling water holes are arranged at equal intervals. The design can meet the characteristic of easy processing of the water tank, and can avoid the phenomenon of uneven cooling of liquid molten steel in a meniscus area and an area of an as-grown blank shell.
However, in practical application, in the cooling structure of the whole water tank or the water tank plus the water hole, the upper opening of the copper plate is downward 90-120mm, and the side part is 320-460mm away from the center, i.e. the straight part of the high temperature zone, the position of the reinforcing rib where the pin bolt is located, and the crack of the copper plate is serious, which affects the service life of the copper plate.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a thin slab continuous casting crystallizer copper plate with a cooling structure, thereby improving or completely eliminating the crack phenomenon of the copper plate and simultaneously prolonging the service life of the copper plate.
The invention is realized by the following steps:
the invention provides a thin slab continuous casting crystallizer copper plate with a cooling structure, which comprises a copper plate main body, wherein the front surface of the copper plate main body is a working surface, the back surface of the copper plate main body is a cooling surface, a low-temperature region, a transition region and a high-temperature region are sequentially arranged on the cooling surface from bottom to top along the flowing direction of a coolant, the middle of the cooling surface is a straight part or a funnel part, the two sides of the cooling surface are straight parts, the periphery of the cooling surface is a sealing surface, a plurality of pin bolt screw holes connected with a water supply container are arranged on the sealing surface in rows, each row of pin bolt screw holes are connected through reinforcing ribs, the height of each reinforcing rib and the sealing surface is equal, a relatively independent cooling region is arranged between every two adjacent rows of pin bolt screw holes, a plurality of flow guide cooling ribs are arranged in each cooling region, and each cooling region is divided into a plurality of cooling water tanks.
The cooling surface comprises two straight parts on two sides of the cooling surface, wherein a high-temperature area diversion cooling rib, a transition area diversion cooling rib and a low-temperature area diversion cooling rib are arranged between two cooling areas adjacent to the straight parts on each side, the height and the width of the high-temperature area diversion cooling rib are smaller than those of the transition area diversion cooling rib, and the height and the width of the high-temperature area diversion cooling rib are smaller than those of the low-temperature area diversion cooling rib;
the cooling water tank comprises a high-temperature area cooling water tank, a transition area cooling water tank and a low-temperature area cooling water tank, the width of the high-temperature area cooling water tank is larger than that of the transition area cooling water tank, and the width of the high-temperature area cooling water tank is larger than that of the low-temperature area cooling water tank.
The inventor finds that through long-term practice, the high-temperature area of the eddy formed by injecting molten steel into the crystallizer is optimally designed, so that the copper plate keeps high heat exchange efficiency in the area with high heat flux density, the cooling capacity of the copper plate is improved, the hot surface temperature of the eddy area with high heat flux density is reduced, the crack phenomenon of the copper plate is improved or completely eliminated, and the service life of the copper plate is prolonged.
Specifically, the width of the cooling water channel of the high-temperature area of the straight parts at two sides is widened, so that the contact surface between the copper plate and the coolant is favorably increased, the cooling efficiency of the copper plate is improved, the cooling matching capacity of the copper plate in the area is favorably increased, and the local overheating and crack generation of the copper plate caused by the overhigh local heat flux density and the overhigh temperature of the hot surface of the copper plate due to the water vortex of continuous casting steel can be effectively avoided; the cooling capacity of the copper plate is matched with the heat load in a real sense, and the crack phenomenon of the copper plate disappears or is reduced, so that the service life of the crystallizer copper plate is prolonged.
In a preferred embodiment of the present invention, the height and width of the diversion cooling ribs in the transition region decrease progressively along the direction from the low temperature region to the high temperature region, and the depth of the cooling water tank in the transition region changes from deep to shallow.
Through the gradient arrangement of the diversion cooling ribs in the transition area and the cooling water grooves in the transition area, the heat flow density of the copper plate in the transition area is favorably adapted to the corresponding cooling capacity requirement, and the stress of the copper plate is favorably reduced, so that the occurrence of crack phenomenon is avoided, and the service life of the copper plate of the crystallizer is prolonged.
The height and width of water conservancy diversion cooling muscle to and the degree of depth of cooling trough, change gradually from the transition region, the cooling trough in transition region is "eight" style of calligraphy to the high temperature district promptly, and the water conservancy diversion cooling muscle that corresponds is "eight" style of calligraphy to the low temperature district, makes the water flow cross section change smooth-going, can effectively avoid crystallizer copper hot face temperature to produce violent sudden change, prevents that the crystallizer copper from producing stress concentration, prevents that copper crackle phenomenon from taking place.
In an alternative embodiment, the transition zone flow guide cooling ribs and the high temperature zone flow guide cooling ribs are milled. Milling from the sealing surface to the working surface, so that the height and the width of the diversion cooling ribs in the transition area gradually decrease from the low-temperature area to the high-temperature area, and the height and the width of the diversion cooling ribs in the high-temperature area are minimized.
The depth of the transition area cooling water tank is gradually reduced from the low temperature area to the high temperature area; when viewed from the cooling surface, the width transition section of the cooling water tank in the transition area gradually expands in a splayed shape in the process of advancing from the low-temperature area to the high-temperature area, and the corresponding flow guide cooling ribs in the transition area gradually expand in a splayed shape from the high temperature to the low-temperature area.
In the preferred embodiment of the invention, the high temperature zone of the straight part is provided with a shunting boss around the periphery of the bolt screw hole, and the shunting boss is arranged on one side or two sides of the reinforcing rib.
The shunting boss plays a shunting role to avoid overhigh local flow density and make the flow more uniform.
In a preferred embodiment of the invention, the flow dividing boss and the bolt screw hole are not on the same horizontal line, and the flow dividing boss sandwiched between the two cooling zones is as high as the diversion cooling rib of the high-temperature zone.
In the preferred embodiment of the invention, a shunting cooling groove is arranged between the bolt screw hole and the shunting boss, and the thickness of the reinforcing rib is reduced by the shunting cooling groove.
In a preferred embodiment of the present invention, the split-flow cooling tank is a split-flow flower water tank.
The arrangement of the shunt flower water tank effectively enhances the cooling capacity of the reinforcing rib part of the straight part of the high-temperature area, so that the hot surface crack phenomenon of the part disappears, and the service life of the crystallizer copper plate is prolonged.
In a preferred embodiment of the present invention, a fixing screw hole is disposed on the shunting boss.
In a preferred embodiment of the invention, a cover plate matched with the cooling area is further arranged in the high-temperature area and the transition area of the straight portion, and the cover plate is fixed on the fixing screw hole through a fixing piece.
In the preferred embodiment of the present invention, the fixing member includes, but is not limited to, a screw, a threaded rod or a threaded block.
In a preferred embodiment of the present invention, the cross-sectional area of the channel space formed by the cover plate and the cooling water tank in the high temperature region is S1, the cross-sectional area of the channel space formed by the cover plate and the cooling water tank in the low temperature region is S2, S1: s2-0.8-1: 1.
The inventor finds that: in the above ratio range, although the cross-sectional area of the space is reduced, the effective heat exchange cross-sectional area is increased, and the flow velocity of water in the high-temperature-region water tank is increased, and the heat exchange capacity is improved.
In an alternative embodiment, the above ratio is 0.8:1,0.81:1,0.82:1,0.83:1,0.84:1,0.85:1,0.86:1,0.87:1,0.88:1,0.89:1,0.9:1,0.91:1,0.92:1,0.93:1,0.94:1,0.95:1,0.96:1,0.97:1,0.98:1 or 0.99: 1.
In a preferred embodiment, the above ratio is 0.85 to 0.95: 1.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the optimized design of the high-temperature area of the vortex formed by injecting the molten steel into the crystallizer, the copper plate keeps higher heat exchange efficiency in the area with high heat flux density, the cooling capacity of the copper plate is improved, the temperature of the hot surface of the vortex area with high heat flux density is reduced, the occurrence of crack phenomenon of the copper plate is further improved or thoroughly eliminated, and the service life of the copper plate is prolonged.
In addition, the invention only adjusts the depth and the layout of the water tank, the position and the depth of the bolt screw hole and the position and the depth of the thermocouple are kept as original states, the back plate and the whole assembly structure are not changed, the existing back plate can be fully utilized for iron and steel enterprises, new products are not required to be purchased, and the cost is saved; in addition, the continuous casting process parameters do not need to be adjusted greatly, and the method has good application prospect.
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 an overall schematic view of a crystallizer copper plate cooling structure with a cover plate according to an embodiment of the present invention;
FIG. 2 is a partial schematic view of a crystallizer copper plate cooling structure without a cover plate according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a copper plate of a crystallizer according to an embodiment of the present invention;
FIG. 4 is a schematic view of a partial longitudinal section of a water trough according to an embodiment of the present invention;
FIG. 5 is a schematic partial longitudinal cross-sectional view illustrating the change of the flow guide cooling rib from the low temperature region to the high temperature region according to the embodiment of the present invention.
Icon: 1-sealing surface; 2-cooling water tank; 3-bolt screw holes; 4-reinforcing ribs; 41-thinning reinforcing ribs; 5-guiding flow and cooling ribs; 51-diversion cooling ribs in a high-temperature area; 52-diversion cooling ribs in the transition area; 53-low temperature zone diversion cooling ribs; 6-cover plate; 7-a shunting boss; 8-fixing screw holes; 9-cooling water tank a; 91-high temperature zone cooling water tank a; 92-transition zone cooling water tank a; 93-low temperature zone cooling water tank a; 10-working surface, 11-cooling surface; 12-a shunt flower trough; l-coolant flow direction.
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 invention, as claimed, but is merely representative of selected embodiments of the invention. 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", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when in use, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, 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," "connected," and "connected" are to be construed broadly and may, for example, be 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 a specific case to those of ordinary skill in the art.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a thin slab continuous casting mold copper plate with a cooling structure. The crystallizer copper plate comprises a crystallizer copper plate main body with a front surface as a working surface 10 and a back surface as a cooling surface 11.
The cooling surface 11 is sequentially provided with a low temperature zone, a transition zone and a high temperature zone from bottom to top according to the heating condition along the flowing direction L of the coolant.
In general, the high temperature zone ranges from the first row bolt position to the upper opening of the copper plate to a zone within 200mm from the upper opening of the copper plate, such as 150mm, 160mm, 170mm, 180mm, 190mm, 200mm, or any value therebetween. The range of the transition zone refers to a zone which is 300mm +/-50 mm away from the upper opening of the copper plate from the lower end of the high-temperature zone; the low temperature region refers to the region below the transition region.
In the width direction of the cooling surface 11, the center is a straight portion or a funnel portion, and both sides are straight portions. The copper plate of the crystallizer shown in fig. 1 is a funnel-shaped copper plate, i.e. the middle is a funnel part and the two sides are straight parts.
The periphery of the cooling surface 11 is a sealing surface 1, a plurality of pin bolt screw holes 3 connected with a water tank are arranged in the sealing surface 1 in rows, each row of pin bolt screw holes 3 are connected through a reinforcing rib 4, the reinforcing ribs 4 are as high as the sealing surface 1, a relatively independent cooling interval is arranged between every two adjacent rows of pin bolt screw holes 3, a plurality of flow guide cooling ribs 5 are arranged in each cooling interval, and a plurality of corresponding cooling water tanks 2 are divided.
The two cooling sections adjacent to each side straight section include high temperature zone diversion cooling ribs 51, transition zone diversion cooling ribs 52 and low temperature zone diversion cooling ribs 53.
The cooling water tank 2 includes a high-temperature region cooling water tank 2, a transition region cooling water tank 2, and a low-temperature region cooling water tank 2.
In this embodiment, as shown in fig. 2 and 5, in the high temperature regions at the two sides of the straight portions, the height and width of the high temperature region diversion cooling ribs 51 are set to be smaller than the height and width of the corresponding transition region diversion cooling ribs 52 and low temperature region diversion cooling ribs 53 at each side of the 4 adjacent cooling regions, and the width of the high temperature region cooling water tank a91 is set to be larger than the width of the corresponding transition region cooling water tank a92 and low temperature region cooling water tank a 93.
In the straight portions on both sides, the height and width of the diversion cooling ribs 52 in the transition region decrease progressively from the low temperature region to the high temperature region, and the depth of the cooling water tank 2 in the transition region changes from deep to shallow.
The transition region diversion cooling ribs 52 and the high temperature region diversion cooling ribs 51 in this embodiment are manufactured by milling. Specifically, milling is carried out from the sealing surface 1 to the working surface, so that the height and the width of the diversion cooling ribs 52 in the transition area are gradually reduced from large to small in the process of advancing development from the low-temperature area to the high-temperature area, and the height and the width of the diversion cooling ribs 51 in the high-temperature area are minimized; the depth of the transition area cooling water tank a92 gradually becomes shallow from the depth in the process of advancing from the low-temperature area to the high-temperature area; from the cooling surface, the transition area cooling water tank a92 gradually expands in the shape of a Chinese character 'ba' in the process of advancing from the low temperature area to the high temperature area, and the corresponding transition area diversion cooling ribs 52 gradually expand in the shape of a Chinese character 'ba' in the process of advancing from the high temperature area to the low temperature area.
In the high-temperature area of the straight part of both sides, around the periphery of the bolt screw hole 3 and set up the reposition of redundant personnel boss 7 on the unilateral or bilateral on the reinforcement 4, reposition of redundant personnel boss 7 and bolt screw hole 3 are not on the same horizontal line, set up the reposition of redundant personnel cooling bath between bolt screw hole 3 and reposition of redundant personnel boss 7, namely reposition of redundant personnel flower flume 12, reposition of redundant personnel flower flume 12 has thinned the thickness of the reinforcement 4 (namely thinned reinforcement 41), and form the smooth reposition of redundant personnel flower flume 12, the reposition of redundant personnel boss 7 that two cooling intervals clamp is equal to correspondent high-temperature area water conservancy diversion cooling muscle 51 height; and a fixing screw hole 8 is arranged on the shunting boss 7.
As shown in fig. 1, 3 and 4, a cover plate 6 matched with the cooling section is arranged in the high-temperature area of the straight parts at two sides and is fixed on a fixing screw hole 8 through a screw.
In a preferred embodiment, as shown in fig. 2 and 4, at the two side straight parts, from the low temperature area to the high temperature area, the width of the individual flow guide cooling ribs 5 is reduced from 10.2mm to 3mm, the width is reduced from 16mm to 4mm, the width of the cooling water tank 2 is increased from 6mm to 16mm, and the height of the water tank is gradually reduced from 25mm in the low temperature area to 9mm in the high temperature area. According to the scheme, the cooling water tank a9 at the straight parts at two sides is reduced by 12 percent at the lower temperature area of the water passing sectional area of the high temperature area, and the flow speed is improved from 12.85m/s to 14.4 m/s.
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 sheet billet continuous casting crystallizer copper plate with a cooling structure comprises a copper plate main body, wherein the front surface of the copper plate main body is a working surface, the back surface of the copper plate main body is a cooling surface, a low-temperature area, a transition area and a high-temperature area are sequentially arranged on the cooling surface from bottom to top along the flowing direction of a coolant, the middle of the cooling surface is a straight part or a funnel part, the two sides of the cooling surface are straight parts, the periphery of the cooling surface is a sealing surface, a plurality of pin bolt screw holes connected with a water supply container are arranged on the sealing surface in rows, each row of pin bolt screw holes are connected through reinforcing ribs, the height of each reinforcing rib is equal to that of the sealing surface, a relatively independent cooling interval is arranged between every two adjacent rows of pin bolt screw holes, a plurality of flow guide cooling ribs are arranged in each cooling interval, and each cooling interval is divided into a plurality of cooling water tanks,
the cooling surface comprises straight parts on two sides of the cooling surface, wherein two cooling sections adjacent to the straight parts on each side comprise high-temperature zone diversion cooling ribs, transition zone diversion cooling ribs and low-temperature zone diversion cooling ribs, the height and the width of each high-temperature zone diversion cooling rib are smaller than those of each transition zone diversion cooling rib, and the height and the width of each high-temperature zone diversion cooling rib are smaller than those of each low-temperature zone diversion cooling rib;
the cooling water tank comprises a high-temperature area cooling water tank, a transition area cooling water tank and a low-temperature area cooling water tank, wherein the width of the high-temperature area cooling water tank is larger than that of the transition area cooling water tank, and the width of the high-temperature area cooling water tank is larger than that of the low-temperature area cooling water tank.
2. The thin slab continuous casting mold copper plate with a cooling structure as claimed in claim 1, wherein the transition zone flow guiding cooling ribs are gradually decreased in height and width along the direction from the low temperature zone to the high temperature zone, and the depth of the transition zone cooling water tank is decreased from deep to shallow.
3. The thin slab continuous casting mold copper plate with a cooling structure as claimed in claim 1 or 2, characterized in that a flow distribution boss is provided around the periphery of the pin bolt screw hole in the high temperature zone of the straight portion, and the flow distribution boss is provided on one side or both sides of the reinforcing bar.
4. The thin slab continuous casting mold copper plate with the cooling structure as claimed in claim 3, wherein the diversion bosses and the pin bolt screw holes are not on the same horizontal line, and the diversion bosses sandwiched between the two cooling zones are as high as the diversion cooling ribs of the high temperature zone.
5. The thin slab continuous casting mold copper plate with cooling structure as claimed in claim 4, characterized in that a split flow cooling groove is provided between the bolt screw hole and the split flow boss, the split flow cooling groove reducing the thickness of the reinforcing bar.
6. The thin slab continuous casting mold copper plate with cooling structure as claimed in claim 5, characterized in that fixing screw holes are provided on the diverging boss.
7. The thin slab continuous casting mold copper plate with cooling structure as claimed in claim 6, characterized in that cover plates matching with the cooling zones are further provided at the high temperature zone and the transition zone of the straight portion.
8. The thin slab continuous casting mold copper plate with cooling structure as claimed in claim 7, characterized in that the cover plate is fixed to the fixing screw hole by a fixing member.
9. The thin slab continuous casting mold copper plate with cooling structure as claimed in claim 8, characterized in that the fixing pieces are screws, threaded rods or threaded blocks.
10. The thin slab continuous casting mold copper plate with cooling structure as claimed in claim 8, wherein the cross-sectional area of the passage space formed by the cover plate and the high temperature zone cooling water bath is S1, and the cross-sectional area of the passage space formed by the cover plate and the low temperature zone cooling water bath is S2, S1: s2-0.8-1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210486484.XA CN115007816A (en) | 2022-05-06 | 2022-05-06 | Thin slab continuous casting crystallizer copper plate with cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210486484.XA CN115007816A (en) | 2022-05-06 | 2022-05-06 | Thin slab continuous casting crystallizer copper plate with cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115007816A true CN115007816A (en) | 2022-09-06 |
Family
ID=83069230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210486484.XA Pending CN115007816A (en) | 2022-05-06 | 2022-05-06 | Thin slab continuous casting crystallizer copper plate with cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115007816A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351248A (en) * | 2022-10-18 | 2022-11-18 | 东北大学 | Crystallizer copper pipe for high-drawing-speed continuous casting |
| WO2024089295A1 (en) | 2022-10-28 | 2024-05-02 | Danieli & C. Officine Meccaniche S.P.A. | Mould for the continuous casting of a metal material |
-
2022
- 2022-05-06 CN CN202210486484.XA patent/CN115007816A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351248A (en) * | 2022-10-18 | 2022-11-18 | 东北大学 | Crystallizer copper pipe for high-drawing-speed continuous casting |
| WO2024089295A1 (en) | 2022-10-28 | 2024-05-02 | Danieli & C. Officine Meccaniche S.P.A. | Mould for the continuous casting of a metal material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115007816A (en) | Thin slab continuous casting crystallizer copper plate with cooling structure | |
| CN202329111U (en) | Water-cooling copper crucible used for magnetic levitation smelting | |
| CA2549685C (en) | Liquid-cooled permanent mold for the continuous casting of metals | |
| CN104232918A (en) | Electroslag smelting casting crystallizer with high-efficiency heat dissipation | |
| CN217452051U (en) | Thin slab continuous casting crystallizer copper plate with cooling structure | |
| CN202155493U (en) | Cooling structure for wide-surface copper plate of crystallizer of continuous slab casting machine | |
| JPH11267794A (en) | Casting mold cooled by liquid | |
| CN110170636A (en) | A kind of Casting Equipment improving single crystal blade curing condition | |
| CN106583694A (en) | Cooling structure of busbar mold | |
| CN217452053U (en) | Continuous casting crystallizer copper plate with novel cooling structure | |
| CN202715800U (en) | Funnel type crystallizer copper plate with cooling water gaps in non-uniform distribution | |
| CN215356077U (en) | High-pulling-speed sheet billet continuous casting crystallizer and copper plate thereof | |
| CN202239531U (en) | Cooling water passage of large-sized shaped blank continuous casting crystallizer | |
| JP3865615B2 (en) | Continuous casting mold for high heat flux | |
| CN204997021U (en) | Liquid cold crystallization ware for continuous casting of metal that heat radiating area is big | |
| CN212645342U (en) | Launder and vacuum induction melting furnace | |
| CN213067121U (en) | Double-loop water cooling structure for metallurgical furnace roller | |
| CN206622582U (en) | A kind of continuous cast mold | |
| CN206622584U (en) | A kind of crystallizer for preventing continuous casting billet from producing various defects | |
| CN217551107U (en) | Crystallizer copper plate with composite structure | |
| CN115351248B (en) | Crystallizer copper pipe for high-casting-speed continuous casting | |
| CN221226366U (en) | Cooling plate and power supply equipment | |
| JP3336962B2 (en) | Melt heating method and equipment | |
| CN217070684U (en) | Novel continuous casting crystallization cooling system in steel industry | |
| JP2005028406A (en) | Mold for continuous casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |