CN219464710U - High-efficient cooling crystallizer - Google Patents
High-efficient cooling crystallizer Download PDFInfo
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- CN219464710U CN219464710U CN202320365265.6U CN202320365265U CN219464710U CN 219464710 U CN219464710 U CN 219464710U CN 202320365265 U CN202320365265 U CN 202320365265U CN 219464710 U CN219464710 U CN 219464710U
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- copper pipe
- groove
- water jacket
- end cover
- grooves
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Abstract
The utility model discloses a high-efficiency cooling crystallizer which comprises a copper pipe and a water jacket, wherein the water jacket is sleeved outside the copper pipe, a plurality of through grooves are formed in the wall body of the copper pipe along the length direction of the copper pipe, a plurality of cooling water channels communicated with the through grooves are formed between the copper pipe and the water jacket along the length direction of the copper pipe, heat conducting parts are formed at the positions, located between every two adjacent cooling water channels, of the copper pipe, the through grooves are formed on the heat conducting parts, a plurality of grooves are formed in the positions, corresponding to any one of the heat conducting parts, of the outer surface of the water jacket, and the grooves are formed along the length direction of the water jacket. According to the high-efficiency cooling crystallizer, the grooves formed in the outer surface of the water jacket increase the heat dissipation area, the cooling effect is improved, the structural strength is guaranteed, the through grooves and the cooling water channels are staggered, the copper pipe is cooled more thoroughly and fully, and the production requirement of high-drawing-speed continuous casting can be met.
Description
Technical Field
The utility model relates to the technical field of continuous casting machine parts, in particular to a high-efficiency heat dissipation crystallizer.
Background
The production process of continuously casting high-temperature molten steel into casting blanks with certain cross-section shape and certain size is called continuous casting complete equipment, and the equipment required for completing the process is called continuous casting complete equipment, wherein the continuous casting complete equipment comprises casting equipment, continuous casting machine body equipment, cutting equipment and the like, the most core part of the continuous casting machine body equipment is a crystallizer, when the continuous casting machine is used, molten steel passes through the crystallizer, and is solidified into a firm blank shell according to the specified cross-section shape, and in the process, the crystallizer is required to be cooled by water to ensure the rapid solidification of the surfaces of the casting blanks.
The existing crystallizer comprises a copper pipe and a water jacket, wherein the water jacket is sleeved outside the copper pipe, a water channel is formed between the water jacket and the copper pipe, and cooling water is introduced into the water channel, so that the crystallizer is cooled. The crystallizer with the structure can meet the continuous casting requirement of general pulling speed, and for high pulling speed, even if the flow rate of cooling water is increased, the cooling effect is not obviously improved, so that if the restriction of the wall thickness of the copper tube of the crystallizer on the cooling performance can be overcome, the product can have good market prospect. Even if a water tank is additionally arranged on the wall of the copper pipe like the copper pipe of the high-pulling-speed sectional cooling crystallizer disclosed in the publication No. CN217192471U, when the cooling device is used, the cooling effect is very limited by firstly passing through the water tank and then passing through the water channel between the water jacket and the copper pipe, and the cooling device cannot meet the requirement of high-pulling-speed continuous casting.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: in the prior art, the traditional mode of cooling the crystallizer by arranging a water tank cannot meet the continuous casting requirement of high drawing speed, so the utility model provides the high-efficiency cooling crystallizer which has good cooling effect and can meet the continuous casting production requirement of high drawing speed.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high-efficient cooling crystallizer, includes copper pipe and water jacket, the water jacket cover is established the outside of copper pipe, follow in the wall of copper pipe the length direction of copper pipe has seted up a plurality of logical grooves, follow between copper pipe with the water jacket the length direction of copper pipe be formed with a plurality of cooling water course that lead to the groove intercommunication, be located every adjacent two on the copper pipe the position between the cooling water course forms the heat conduction portion, it is in to lead to the groove to set up on the heat conduction portion, a plurality of recesses have all been seted up with arbitrary on the surface of water jacket the position that corresponds to the heat conduction portion, the recess is followed the length direction setting of water jacket.
Further, the plurality of through grooves are uniformly formed in the copper pipe, and the plurality of cooling water channels are uniformly formed in the periphery of the copper pipe.
Further, a plurality of grooves corresponding to the same heat conducting part are arranged at equal intervals.
Further, the cross section of the through groove is circular, the cross section of the cooling water channel is rectangular, and the distances from the center of the through groove to two cooling water channels adjacent to the through groove are equal.
Further, the high-efficiency cooling crystallizer further comprises an upper end cover and a lower end cover, wherein the upper end cover is fixedly arranged at the upper end of the copper pipe, and the lower end cover is fixedly arranged at the lower end of the copper pipe.
Further, the through groove penetrates through the upper end face and the lower end face of the copper pipe, a groove is formed in the outer wall of the water jacket, a space formed by the groove wall of the groove and the inner wall of the water jacket forms the cooling water channel, the lower end of the groove penetrates through the lower end face of the copper pipe, an upper distribution cavity communicated with the upper end of the through groove is formed in the lower surface of the upper end cover, and a lower distribution cavity communicated with the lower end of the through groove and the lower end of the cooling water channel is formed in the upper surface of the lower end cover.
Further, a water inlet communicated with the upper distribution cavity is formed in the side wall of the upper end cover, and a water outlet communicated with the groove is formed in the side wall, close to the end cover, of the water jacket.
Further, a converging groove is formed in the outer wall of the copper pipe along the circumferential direction of the copper pipe in a recessed mode, the upper end of any groove is communicated with the converging groove, and the water outlet is communicated with the converging groove.
Further, the upper end cover, the lower end cover and the copper pipe are fixedly connected through bolts, and the bolts and the through grooves are staggered.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The grooves are formed in the positions, corresponding to the heat conducting parts, on the outer surface of the water jacket, so that the heat radiating area is increased, the cooling effect is improved, and meanwhile, the positions, corresponding to the grooves, on the inner surface of the water jacket are attached to the copper pipes, so that the structural strength of the water jacket is ensured;
(2) The through grooves and the cooling water channels are staggered, so that the cooled part on the copper pipe is ensured to be more sufficient;
(3) Through the through groove arranged in the copper pipe wall body, the cooling water channel communicated with the through groove is arranged between the copper pipe and the water jacket, so that the secondary cooling effect of the crystallizer is realized, and the production requirement of high-pulling-speed continuous casting is met.
Drawings
The utility model is further described below with reference to the drawings and examples.
FIG. 1 is a perspective view of a high-efficiency cooling crystallizer of the present utility model;
FIG. 2 is a partially exploded view of the high-efficiency cooling crystallizer of FIG. 1;
fig. 3 is a cross-sectional view of the copper tube and water jacket connection structure of the high-efficiency cooling crystallizer of fig. 1.
In the figure: 1. copper pipe, 10, through groove, 11, slot, 12, converging groove, 13, heat conducting part, 2, water jacket, 20, cooling water channel, 21, water outlet, 22, groove, 3, upper end cover, 31, water inlet, 4, lower end cover, 41, lower distribution cavity, 5, bolt.
Detailed Description
The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.
Referring to fig. 1-3, the utility model provides a high-efficiency cooling crystallizer, which comprises a copper pipe 1, a water jacket 2, an upper end cover 3 and a lower end cover 4, wherein the water jacket 2 is sleeved outside the copper pipe 1, the upper end cover 3 is fixedly arranged at the upper end of the copper pipe 1, the lower end cover 4 is fixedly arranged at the lower end of the copper pipe 1, a plurality of through grooves 10 are formed in the wall body of the copper pipe 1 along the length direction of the copper pipe 1, a plurality of cooling water channels 20 are formed between the copper pipe 1 and the water jacket 2 along the length direction of the copper pipe 1, and the lower ends of the through grooves 10 are mutually communicated with the lower ends of the cooling water channels 20. When the cooling water is mounted, the upper end cover 3 is positioned above the lower end cover 4, and when the cooling water is used, the cooling water flows into the through groove 10 from the upper end of the through groove 10, then flows downwards, flows upwards into the cooling water channel 20 through the lower end of the through groove 10, and finally flows out from the upper part of the side wall of the water jacket 2.
Compared with the traditional crystallizer structure, the cooling water of the crystallizer flows downwards firstly, then flows upwards and finally flows out from the upper part of the side wall of the water jacket 2, so that for the same cooling water path, the primary cooling of the crystallizer is realized when flowing from top to bottom, and the secondary cooling of the crystallizer is realized when flowing from bottom to top, thereby improving the cooling effect and being beneficial to continuous casting production with high pulling speed.
In this embodiment, the copper tube 1 has a tubular structure with two through ends, the end faces of the copper tube 1 have a square structure, the water jacket 2 and the copper tube 1 are mutually matched, and the length of the water jacket 2 is the same as that of the copper tube 1, so that the two end faces of the copper tube 1 are flush with the two end faces of the water jacket 2. One end of the through groove 10 penetrates through one end face of the copper pipe 1, and the other end of the through groove 10 penetrates through the other end face of the copper pipe 1, so that cooling water entering the crystallizer can flow through the whole copper pipe 1 from top to bottom. The outer wall of the copper pipe 1 is provided with a groove 11 along the length direction of the copper pipe 1, and the cooling water channel 20 is formed by a space formed by the groove wall of the groove 11 and the inner wall of the water jacket 2. One end of the groove 11 penetrates through one end face of the copper pipe 1, which is close to the lower end cover 4 (namely, the lower end face of the copper pipe 1), the other end of the groove 11 does not penetrate through one end, which is close to the upper end cover 3 (namely, the upper end face of the copper pipe 1), a water outlet 21 is formed in the side wall, which is close to the upper end cover 3, of the water jacket 2, the water outlet 21 is communicated with the groove 11, and when the cooling water flows out from the water outlet 21 after passing through the cooling water channel 20 from bottom to top in use. Further, an annular converging groove 12 is formed on the outer wall of the copper pipe 1 along the circumferential direction of the copper pipe 1 in a recessed manner, the upper end of any groove 11 is communicated with the converging groove 12, a water outlet 21 is formed on the water jacket 2 at a position corresponding to the converging groove 12 and is communicated with the converging groove 12, and when the cooling water cooling device is used, cooling water flowing upwards through the grooves 11 is converged in the converging groove 12 and then flows out through the water outlet 21. Of course, in the concrete implementation, the sink 12 may be omitted, and in this case, a plurality of water outlets 21 may be provided on the outer wall of the water jacket 2, and one water outlet 21 may be correspondingly communicated with the upper end of one groove 11.
The upper end cover 3 and the lower end cover 4 are both square annular structures, an annular upper distribution cavity (not shown) is formed on the lower surface of the upper end cover 3 in a recessed manner around the circumferential direction of the upper end cover 3, and an annular lower distribution cavity 41 is formed on the upper surface of the lower end cover 4 in a recessed manner around the axial direction of the lower end cover 4. After the upper end cover 3 and the lower end cover 4 are installed in place, the lower surface of the upper end surface 3 is tightly attached to the upper surface of the copper pipe 1 and the upper surface of the water jacket 2, the upper surface of the lower end cover 4 is tightly attached to the lower surface of the copper pipe 1 and the lower surface of the water jacket 2, so far, the upper distribution cavity is communicated with the upper end of the through groove 10, and the lower distribution cavity 41 is communicated with the lower end of the through groove 10 and the lower end of the cooling water channel 20, so that the communication effect between the through groove 10 and the cooling water channel 20 is realized. Further, a water inlet 31 is formed in the side wall of the upper end cover 3, and the water inlet 31 is communicated with the upper distribution cavity. In use, cooling water enters the upper distribution chamber via the water inlet 31, is distributed into each through slot 10, flows into the lower distribution chamber 41 to meet, passes upwardly through the cooling water channel 20, and finally flows out of the water outlet 21.
In addition, the upper end cover 3, the lower end cover 4 and the copper pipe 1 are fixedly connected through bolts 5, and the bolts 5 are staggered with the through grooves 10, so that the through grooves 10 are prevented from being blocked by the bolts 5.
In specific implementation, the through grooves 10 are uniformly formed in the copper pipe 1, the cooling water channels 20 are uniformly formed in the periphery of the copper pipe 1, and the through grooves 10 and the cooling water channels 20 are staggered, so that cooling water can act on all parts of the crystallizer along the circumferential direction as much as possible, and a sufficient cooling effect is achieved.
In this embodiment, the heat conducting portion 13 is formed on the copper pipe 1 at a position between every two adjacent cooling water channels 20, the through groove 10 is formed on the heat conducting portion 13, the plurality of grooves 22 are formed on the outer surface of the water jacket 2 at positions corresponding to any one of the heat conducting portions 13, the grooves 22 are arranged along the length direction of the water jacket 2, and the plurality of grooves 22 corresponding to the same heat conducting portion 13 are arranged at equal intervals. During continuous casting operation, heat is transferred to the copper pipe 1 through molten steel of the copper pipe 1, part of the heat is transferred to the water jacket 2 through the heat conducting part 13, and the grooves 22 formed in the surface of the water jacket 2 can increase the area of the outer surface of the water jacket 2. Meanwhile, the inner surface of the water jacket 2 corresponding to the groove 22 is attached to the outer surface of the copper pipe 1, so that the copper pipe 1 plays a supporting role on the water jacket 2 corresponding to the groove 22, the structural strength of the water jacket 2 provided with the groove 22 is enhanced, the water jacket 2 is effectively prevented from being deformed easily, and therefore, the service life of the water jacket 2 is guaranteed while efficient cooling is achieved.
Further, the cross section of the through groove 10 is circular, the cross section of the cooling water channel 20 is rectangular, and the distances from the center of the through groove 10 to two cooling water channels 20 adjacent to the through groove 10 are equal.
The high-efficiency cooling crystallizer provided by the utility model has the advantages that the same cooling water channel sequentially passes through the two flow paths from top to bottom and from bottom to top, the secondary cooling effect is realized, meanwhile, the through grooves 10 and the cooling water channels 20 are staggered, the cooled part on the copper pipe is more sufficient, the heat dissipation area is increased, the structural strength of the water jacket 2 is ensured while the heat dissipation area is increased by arranging the grooves 22 at the part corresponding to the heat conduction part 13 on the water jacket 2, the structural design is reasonable, the cooling effect is improved, the high-pull-speed continuous casting requirement can be met, and the popularization and the use are facilitated.
While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. The utility model provides a high-efficient cooling crystallizer, includes copper pipe and water jacket, the water jacket cover is established the outside of copper pipe, its characterized in that: the wall body of copper pipe is internal along the length direction of copper pipe has seted up a plurality of logical grooves, the copper pipe with be formed with between the water jacket along the length direction of copper pipe with a plurality of cooling water course of logical groove intercommunication, be located every adjacent two on the copper pipe the position between the cooling water course forms the heat conduction portion, it is in to lead to the groove to set up on the heat conduction portion, a plurality of recesses have all been seted up with arbitrary on the surface of water jacket the position that the heat conduction portion corresponds, the recess is followed the length direction setting of water jacket.
2. The high-efficiency cooling crystallizer as in claim 1, wherein: the plurality of through grooves are uniformly formed in the copper pipe, and the plurality of cooling water channels are uniformly arranged on the periphery of the copper pipe.
3. The high-efficiency cooling crystallizer as in claim 2, wherein: the grooves corresponding to the same heat conducting part are arranged at equal intervals.
4. The high-efficiency cooling crystallizer as in claim 1, wherein: the cross section of the through groove is circular, the cross section of the cooling water channel is rectangular, and the distances from the center of the through groove to two cooling water channels adjacent to the through groove are equal.
5. The high-efficiency cooling crystallizer as in claim 1, wherein: the high-efficiency cooling crystallizer further comprises an upper end cover and a lower end cover, wherein the upper end cover is fixedly arranged at the upper end of the copper pipe, and the lower end cover is fixedly arranged at the lower end of the copper pipe.
6. The high-efficiency cooling crystallizer as in claim 5, wherein: the upper end face and the lower end face of the copper pipe are communicated with the through groove, a groove is formed in the outer wall of the water jacket, a cooling water channel is formed by the groove wall of the groove and the space formed by the inner wall of the water jacket, the lower end of the groove penetrates through the lower end face of the copper pipe, an upper distribution cavity communicated with the upper end of the through groove is formed in the lower surface of the upper end cover, and a lower distribution cavity communicated with the lower end of the through groove and the lower end of the cooling water channel is formed in the upper surface of the lower end cover.
7. The high-efficiency cooling crystallizer as in claim 6, wherein: the side wall of the upper end cover is provided with a water inlet communicated with the upper distribution cavity, and the side wall of the water jacket, which is close to the end cover, is provided with a water outlet communicated with the groove.
8. The high-efficiency cooling crystallizer as in claim 7, wherein: and a converging groove is formed on the outer wall of the copper pipe along the circumferential direction of the copper pipe in a recessed manner, the upper end of any groove is communicated with the converging groove, and the water outlet is communicated with the converging groove.
9. The high-efficiency cooling crystallizer as in claim 5, wherein: the upper end cover, the lower end cover and the copper pipe are fixedly connected through bolts, and the bolts and the through grooves are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320365265.6U CN219464710U (en) | 2023-03-02 | 2023-03-02 | High-efficient cooling crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320365265.6U CN219464710U (en) | 2023-03-02 | 2023-03-02 | High-efficient cooling crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219464710U true CN219464710U (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320365265.6U Active CN219464710U (en) | 2023-03-02 | 2023-03-02 | High-efficient cooling crystallizer |
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| Country | Link |
|---|---|
| CN (1) | CN219464710U (en) |
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- 2023-03-02 CN CN202320365265.6U patent/CN219464710U/en active Active
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