CN201482942U - Slow-cooling crystallizer copper tube with grooved angle parts - Google Patents
Slow-cooling crystallizer copper tube with grooved angle parts Download PDFInfo
- Publication number
- CN201482942U CN201482942U CN200920104179XU CN200920104179U CN201482942U CN 201482942 U CN201482942 U CN 201482942U CN 200920104179X U CN200920104179X U CN 200920104179XU CN 200920104179 U CN200920104179 U CN 200920104179U CN 201482942 U CN201482942 U CN 201482942U
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- crystallizer copper
- copper tube
- groove
- copper pipe
- angle parts
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Abstract
The utility model discloses a slow-cooling crystallizer copper tube with grooved angle parts, used for metallurgy continuous casting equipment. The slow-cooling crystallizer copper tube comprises a square billet crystallizer copper tube; axial grooves are respectively arranged on inner wall faces of tube bodies on two sides of four inner angles in the middle part of the crystallizer copper tube. By opening grooves with proper width and depth on inner wall faces of tube bodies on two sides approaching angle parts of a normal square billet crystallizer copper tube, the utility model properly slows down cooling speed of the angle parts of the crystallizer copper tube, enables steel billets to be cooled uniformly, and avoids the defects of surface sinking on the angle parts, inner fissures and the like on the steel billets during drawing, thereby effectively improving steel billet quality.
Description
Technical field
The utility model relates to the crystallizer copper pipe that metallurgical continuous casting equipment is used, and is specifically related to the slow cooling crystallizer copper pipe of a kind of bight fluting.
Background technology
Common tubular type square blank crystallizer copper pipe is in being applied to continuous casting production process, because the continuous casting billet bight is cooled off by two-dimentional two-sided heat radiation, and face is the single face cooling, so the bight cooling velocity is facial fast, therefore cause the cooling velocity inequality of steel billet in same cross section, when drawing some to the special steel grade of crackle sensitivity, defectives such as nearly corner surface depression, underbead crack often appear in steel billet, influence the quality of steel billet, cause the batch waste product of steel billet when serious.
Summary of the invention
The purpose of this utility model is at the problems referred to above, and the slow cooling crystallizer copper pipe of the bight fluting of the cooling velocity problem of non-uniform in the in use same cross section of a kind of effectively solution party's billet crystallizer copper pipe is provided.
The technical scheme that realizes above-mentioned purpose is: the slow cooling crystallizer copper pipe of a kind of bight fluting, it includes the square blank crystallizer copper pipe, is respectively arranged with axial groove at the middle part of crystallizer copper pipe on the inboard wall of tube body face of four interior angle both sides.
Above-mentioned groove is an arc-shaped groove, and the degree of depth of groove is 1.0mm～1.2mm; Width is 1.5mm～1.8mm; The axial length of groove is 1/3rd of a crystallizer copper length of tube; Groove shaft is become to seamlessly transit by groove bottom to crystallizer copper pipe internal face to two ends.
Above-mentioned groove is provided with identical twice respectively in each interior angle both sides.
The utility model is by offering the groove of the proper width and the degree of depth on the inboard wall of tube body face of four inner corner portion both sides of common square blank crystallizer copper pipe, the air gap and the thermal resistance in crystallizer copper pipe bight have been increased, suitably slowed down the cooling velocity in crystallizer copper pipe bight, solved the problem of the cooling velocity inequality in the in use same cross section of common square blank crystallizer copper pipe, thereby can effectively avoid steel billet defectives such as nearly corner surface depression, underbead crack in the process that draws, to occur, guarantee the quality of steel billet.
Description of drawings
Fig. 1 is the main cutaway view of the slow cooling crystallizer copper pipe of this bight fluting;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the I partial enlarged drawing of Fig. 2;
Fig. 4 is the F-F profile of Fig. 1.
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.
The slow cooling crystallizer copper pipe of this bight fluting includes common square blank crystallizer copper pipe 1, is respectively arranged with axial groove 2 at the middle part of crystallizer copper pipe 1 on the inboard wall of tube body face of four interior angle both sides.As accompanying drawing embodiment, crystallizer copper pipe 1 is 150 * 150 crystallizer copper pipes, and groove 2 is an arc-shaped groove, and the degree of depth of groove is 1.0mm; Width is 1.5mm; Groove starts from the position that initial solidification shell forms about 2mm, and length is about 1/3rd of crystallizer copper length of tube; The axial two ends of groove are become to seamlessly transit by groove bottom to crystallizer copper pipe internal face; Groove 2 is provided with identical twice respectively in each interior angle both sides, and the first road groove is 8mm with the interior angular distance of pipe, and the centre-to-centre spacing of adjacent twice groove is 7mm.
Claims (3)
1. the slow cooling crystallizer copper pipe of bight fluting, it includes square blank crystallizer copper pipe (1), it is characterized in that: the middle part at crystallizer copper pipe (1) is respectively arranged with axial groove (2) on the inboard wall of tube body face of four interior angle both sides.
2. the slow cooling crystallizer copper pipe of bight according to claim 1 fluting, it is characterized in that: described groove (2) is an arc-shaped groove, and the degree of depth of groove is 1.0mm～1.2mm; Width is 1.5mm～1.8mm; The axial length of groove is 1/3rd of a crystallizer copper length of tube; Groove shaft is become to seamlessly transit by groove bottom to crystallizer copper pipe internal face to two ends.
3. the slow cooling crystallizer copper pipe of bight according to claim 1 fluting, it is characterized in that: described groove (2) is provided with identical twice respectively in each interior angle both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920104179XU CN201482942U (en) | 2009-08-18 | 2009-08-18 | Slow-cooling crystallizer copper tube with grooved angle parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920104179XU CN201482942U (en) | 2009-08-18 | 2009-08-18 | Slow-cooling crystallizer copper tube with grooved angle parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201482942U true CN201482942U (en) | 2010-05-26 |
Family
ID=42421835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920104179XU Expired - Fee Related CN201482942U (en) | 2009-08-18 | 2009-08-18 | Slow-cooling crystallizer copper tube with grooved angle parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201482942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317109A (en) * | 2012-03-19 | 2013-09-25 | 宝山钢铁股份有限公司 | Method for weakening corner part heat transmission of continuous casting crystallizer |
| CN110202102A (en) * | 2019-06-10 | 2019-09-06 | 常州市武进长虹结晶器有限公司 | The method and its crystallizer of slab crystal growth in a kind of promotion crystallizer |
| CN115815544A (en) * | 2022-12-27 | 2023-03-21 | 河南科技大学 | Crystallizer, continuous casting device and method for measuring position of solid-liquid interface |
-
2009
- 2009-08-18 CN CN200920104179XU patent/CN201482942U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317109A (en) * | 2012-03-19 | 2013-09-25 | 宝山钢铁股份有限公司 | Method for weakening corner part heat transmission of continuous casting crystallizer |
| CN110202102A (en) * | 2019-06-10 | 2019-09-06 | 常州市武进长虹结晶器有限公司 | The method and its crystallizer of slab crystal growth in a kind of promotion crystallizer |
| CN115815544A (en) * | 2022-12-27 | 2023-03-21 | 河南科技大学 | Crystallizer, continuous casting device and method for measuring position of solid-liquid interface |
| CN115815544B (en) * | 2022-12-27 | 2024-03-26 | 河南科技大学 | Crystallizer, continuous casting device and method for determining solid-liquid interface position |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20150818 |
|
| EXPY | Termination of patent right or utility model |