CN102328037A - Chamfered crystallizer with taper continuous casting plate blank - Google Patents
Chamfered crystallizer with taper continuous casting plate blank Download PDFInfo
- Publication number
- CN102328037A CN102328037A CN201110281520A CN201110281520A CN102328037A CN 102328037 A CN102328037 A CN 102328037A CN 201110281520 A CN201110281520 A CN 201110281520A CN 201110281520 A CN201110281520 A CN 201110281520A CN 102328037 A CN102328037 A CN 102328037A
- Authority
- CN
- China
- Prior art keywords
- crystallizer
- fillet surface
- continuous casting
- tapering
- copper plate
- 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
Landscapes
- Continuous Casting (AREA)
Abstract
The invention discloses a chamfered crystallizer with a taper continuous casting plate blank, and belongs to the technical field of steel-making-casting. The chamfered crystallizer comprises relatively wide copper plates and relatively narrow copper plates and is characterized in that the chamfered crystallizer is composed of two relative wide copper plates and two relative narrow copper plates; a chamfer surface transitioned from an inner surface of the narrow copper plate to the inner surface of the wide copper plate is a circular arc curved surface or plane, the chamber surface has a natural inverted taper from an upper opening to a lower opening of the crystallizer; an included angle of two ends of the narrow copper plate and the wide copper plate is 90 degrees, the platform width of the chamfer surfaces at two ends is 0-6 mm; and the chamfer surface has a taper. A multi-variety and multi-specification mature industrial application is realized, the transverse corner crack of the continuous casting plate blank is eliminated, and the longitudinal corner crack defect is avoided. The thickness specification range of the proper continuous casting plate blank is 130-420 mm, and the width specification ranges from 1000 to 3000 mm. The matched casting process is reliable and stable. The structure is relative simple and the popularization is strong.
Description
Technical field
The invention belongs to the steel smelting-continuous casting technical field, a kind of continuous casting steel billet chamfering crystallizer that carries tapering particularly is provided.
Background technology
The transverse corner crack defect problem of conventional continuous casting steel billet is a difficult problem that perplexs metallurgical industry person for a long time; The employed crystallizer overwhelming majority fits together institute by two wide copper coins respect to one another and two narrow copper plates respect to one another to constitute in the present conventional sheet billet continuous casting process; The angle of wide copper coin and narrow copper plate is the right angle; Bight when molten steel solidifies in this crystallizer is owing to be Two-Dimensional Heat; So this position solidifies soon, shrink early, often and form air gap between copper plate of crystallizer, cause the bight solidified shell thinner, be easy to generate longitudinal corner crack line defective.Main is that this right angle continuous casting steel billet owing to the corners cooling velocity causes the continuous casting steel billet surface solidification inhomogeneous soon, is easy to occur the transverse corner crack line in two cold-zones.Exist the continuous casting steel billet of bight defective to have to carry out the corner cut processing, in order to avoid crack defective in follow-up rolling steel plate limit portion, the corner cut of continuous casting steel billet is handled has then increased production cost widely, reduced production efficiency.In addition, the corner angle of right angle continuous casting steel billet cause longitudinally " black line " defective easily on hot-rolled sheet coil, cause the increase of production cost.In order to eliminate these defectives, attempt Design and Machining chamfering structure on the crystallizer narrow copper plate, this crystallizer is referred to as the chamfering crystallizer.
Once advanced iron and steel enterprise all launched exploitation and development work to continuous casting steel billet chamfering crystallizer technology in a lot of worlds; Like enterprises such as VAI Lin Ci steel mill, Japanese Nippon Steel and domestic Baosteels; But these enterprises did not all carry out large-scale industrial application; Though wherein Nippon Steel, VAI Lin Ci steel plant have all carried out the development of continuous casting steel billet chamfering crystallizer, ended the research because of realizing technically breaking through eventually.Domestic other steel mill such as Wuhan Iron and Steel Plant, Anshan iron and steel plant and Mei Gang etc. once proposed the thought of continuous casting steel billet chamfering crystallizer; But all there is not to launch relevant experiment work; At present still Baosteel is arranged in the iron and steel enterprise that carries out correlative study, but still under test, do not carry out large-scale industrial application as yet.
Shoudu Iron and Steel Co is domestic and international first chamfering crystallizer is realized stable application on many steel grades a iron and steel enterprise; But at continuous casting steel billet chamfering crystallizer in early days in the development and application; Find that chamfering copper coin back draught technology is very big to the bight quality influence of continuous casting steel billet; If it is unreasonable that back draught is set, through regular meeting longitudinal corner crack line defective appears then on the fillet surface of chamfering continuous casting billet, and chamfering continuous casting steel billet longitudinal corner crack line generation of defects is the reason owing to two aspects; On the one hand; Crystallizer chamfering copper coin back draught is not enough, then is easy to generate air gap between continuous casting steel billet chamfer site and the copper plate of crystallizer in the crystallizer, and the generation of air gap makes that chamfer site base shell is slow to the heat transfer of crystallizer, base shell temperature is high and weak; On the other hand; Base shell away from the bight contacts with copper plate of crystallizer well; The base shell is fast to the heat transfer of crystallizer, the base shell facies is to thicker; The tension that continuous casting steel billet base shell surface produces owing to solidification shrinkage in the crystallizer like this concentrates on the fillet surface that the base shell is weak, temperature is high easily, thereby produces longitudinal crack herein.In actual application, find; The tapering that only increases the copper coin leptoprosopy also is difficult to thoroughly eliminate the angle lobe; And if chamfering copper coin back draught is excessive; Then the frictional force between chamfering continuous casting steel billet and copper coin increases and is prone to surface transverse cracks, so should solve continuous casting billet corner crack problem from chamfering copper plate of crystallizer structural design itself and back draught technology two aspects, guarantees the uniform and stable growth of chamfer site base shell, avoids the generation of continuous casting steel billet surface transverse cracks simultaneously.
The plate slab crystallizer that it is fillet surface that Chinese patent 200720089029.7 discloses four angles of a kind of rectangular inner cavity cross section, the arc radius of the said fillet surface of this patent is 4-150mm, this curved surface and wide copper coin contact-making surface chamfer radius are 2-10mm.There are the hidden danger that causes the bleed-out accident in the casting process in this design narrow copper plate and wide copper coin contact portion angle, and do not consider fillet surface self tapering less than 90 °, and the longitudinal corner crack defective appears in chamfering continuous casting steel billet easily.
The plate slab crystallizer that it is the arc transition face that Chinese patent 200720175143.1 discloses four angles of a kind of rectangular inner cavity cross section, the said arc transition face of this patent two ends are tangent with narrow copper plate with wide respectively.There is the defective of narrow copper plate two ends easy deformation in this design, and does not consider fillet surface self tapering, and the longitudinal corner crack defective appears in chamfering continuous casting steel billet easily.
Chinese patent 200720067413.7 discloses a kind of plate slab crystallizer, and the said narrow copper plate indent of this patent is circular arc.This design does not have the size of clear and definite key position, has the defective of narrow copper plate two ends easy deformation, and does not consider fillet surface self tapering, and the longitudinal corner crack defective appears in chamfering continuous casting steel billet easily.
Chinese patent 200520089594.4 discloses the plate slab crystallizer of band convex edge, four angles of a kind of rectangular inner cavity cross section, and convex edge and wide are 45 ° with the narrow copper plate angle, and the convex edge length of straight flange is 1-15mm.This design chamfer site size is less than normal, and is limited to improving continuous casting billet transverse corner crack line effect, and do not consider fillet surface self tapering, and the longitudinal corner crack defective appears in chamfering continuous casting steel billet easily.
The plate slab crystallizer that it is the arc transition face that Chinese patent 200920035404.9 discloses four angles of a kind of rectangular inner cavity cross section, the said arc transition face of this patent two ends respectively with wide with the narrow copper plate rounding off.Thereby this design exists narrow copper plate two ends easy deformation to cause taking place in the casting process defective of bleed-out accident, and does not consider fillet surface self tapering, and the longitudinal corner crack defective appears in chamfering continuous casting steel billet easily.。
Chinese patent 201020205143.3 discloses the plate slab crystallizer that a kind of chamfer site adopts the circular hole cooling water channel; Its circular hole water channel type of cooling; Not only version is complicated, and is difficult to safeguard cleaning, and practicality is relatively poor; And do not consider fillet surface self tapering, the longitudinal corner crack defective appears in chamfering continuous casting steel billet easily.
In addition, the continuous casting process that matches with continuous casting steel billet chamfering crystallizer does not have on disclosed patent and relates to.
Based on above situation, invent a kind of continuous casting steel billet chamfering crystallizer and continuous casting process that carries tapering, be intended to eliminate continuous casting steel billet corner crack defective.
Summary of the invention
The present invention provides a kind of continuous casting steel billet chamfering crystallizer and continuous casting process that carries tapering; Realized the mature industry application of many kinds, many specifications; Can effectively eliminate the transverse corner crack line and the longitudinal corner crack line defective of continuous casting steel billet; Structure is simple relatively, generalization is strong, and continuous casting process is reliable, stable.The continuous casting steel billet thickness specification limit that the present invention is suitable for is 130～420mm, and the width specifications scope is 1000～3000mm.Supporting continuous casting process is reliable, stable, has originality.And structure is simple relatively, generalization is strong.
(width is 1200mm～3000mm, highly is 20mm～680mm) for 700mm～1000mm, thickness and (width is 200mm～500mm, highly is that 700mm～1000mm, thickness are 20mm～80mm) for narrow copper plate relatively to the present invention includes a wide relatively copper coin; Two wide relatively copper coins and two relative narrow copper plates fit together formation; The narrow copper plate inner surface is circular arc camber or plane to the fillet surface of wide copper coin inner surface transition, and fillet surface has the nature back draught from crystallizer is suitable for reading to end opening.
The angle of narrow copper plate two ends and wide copper coin formation is 90 °, and the berm width of narrow copper plate two ends fillet surface is 0～6mm.With discussing with single fillet surface after narrow copper plate and the combination of wide copper coin: fillet surface is plane or circular arc camber; Fillet surface carries tapering: when fillet surface is the plane; Fillet surface is 20mm～120mm in crystallizer length suitable for reading; Fillet surface is 18～110mm at the length ratio of crystallizer end opening, fillet surface from suitable for reading to the transition of end opening nature;
When fillet surface was curved surface, fillet surface was 15～300mm at crystallizer arc radius suitable for reading, and fillet surface is at crystallizer end opening arc radius 10-280mm, fillet surface from suitable for reading to the transition of end opening nature; Fillet surface and leptoprosopy and platform intersection chamfer radius are 0～8mm;
Except fillet surface self had the design of tapering, fillet surface had circumferentially also adopted the design that carries tapering.Toward narrow copper plate direction fillet surface self tapering that increases is gradually arranged from fillet surface and wide copper coin junction, the taper value of increase is 0.4-3mm.
The chamfer site type of cooling is the cooling of water seam, and the water seam of chamfer site becomes 30～85 ° of angles with copper coin leptoprosopy horizontal direction, and water seam length is 15～65mm, water seam width 3～15mm.
Wide the copper coin cooling water flow of chamfering crystallizer that carries tapering is 1000～8000L/min, narrow copper plate cooling water flow 100～1300L/min.
The chamfering crystallizer one-sided narrow copper plate tapering coefficient when the cast continuous casting steel billet that carries tapering is 0.50～1.50%.
The present invention has the following advantages:
(1) the crystallizer leptoprosopy carries the design of tapering chamfering structure form, can effectively improve strand bight temperature, disperses bight stress; Simultaneously; The tapering that carries has better adapted to the molten steel solidification shrinkage character, and chamfer site is played enough supporting roles, thereby eliminates continuous casting steel billet bight defective.
(2) water of chamfer site seam designs succinctly effectively, is convenient to safeguard, can effectively guarantee the cooling uniformity of casting blank shell simultaneously.
(3) with carry the continuous casting process that tapering chamfering crystallizer matches; Can improve the stability and assurance slab quality of production; And can enlarge the range of application of chamfering crystallizer, use and covered most of steel grades and most specification continuous casting steel billet basically, very strong versatility is arranged.
Description of drawings
Fig. 1 is wide, leptoprosopy chamfering copper plate of crystallizer makes up and the vertical view of curved face type fillet surface.Wherein, leptoprosopy copper plate of crystallizer 1, curved face type fillet surface, curved face type fillet surface suitable for reading 2 at crystallizer in the end 4 of crystallizer end opening 3, fillet surface, narrow copper plate fillet surface cooling water seam 5, wide copper coin 6, curved surface fillet surface and the tapering 7 of wide copper coin junction toward the increase of narrow copper plate direction fillet surface self.
Fig. 2 is the vertical view of plane fillet surface.Wherein, plane fillet surface, plane fillet surface suitable for reading 8 at crystallizer at crystallizer end opening 9, face fillet surface and wide the tapering 10 that the copper coin junction increases toward narrow copper plate direction fillet surface self directly.
The specific embodiment
Comprise a wide relatively copper coin and relative narrow copper plate; It is characterized in that: fitted together by two wide relatively copper coins and two relative narrow copper plates and constitute, the narrow copper plate inner surface is circular arc camber or plane to the fillet surface of wide copper coin inner surface transition, and fillet surface has the nature back draught from crystallizer is suitable for reading to end opening; The angle of narrow copper plate two ends and wide copper coin formation is 90 °, and the berm width of narrow copper plate two ends fillet surface is 0～6mm; Fillet surface carries tapering.
When fillet surface was the plane, fillet surface was 20mm～120mm in crystallizer length suitable for reading, and fillet surface is 18～110mm at the length ratio of crystallizer end opening, fillet surface from suitable for reading to the transition of end opening nature.When fillet surface was curved surface, fillet surface was 15～300mm at crystallizer arc radius suitable for reading, and fillet surface is at crystallizer end opening arc radius 10-280mm, fillet surface from suitable for reading to the transition of end opening nature; Fillet surface and leptoprosopy and platform intersection chamfer radius are 0～8mm.
Certain steel mill has adopted the chamfering crystallizer that carries tapering of the present invention when conticaster is cast 220mm * 2000mm continuous casting steel billet; The angle of crystallizer narrow copper plate two ends and wide copper coin formation is 90 °; The two ends berm width is 3mm; Fillet surface crystallizer arc radius suitable for reading is that 120mm, crystallizer end opening arc radius are 105mm; Fillet surface and leptoprosopy and platform intersection chamfer radius are 2mm, are 1.0mm from fillet surface and wide copper coin junction toward narrow copper plate direction fillet surface self taper value.Chamfer site cooling water seam becomes 80 ° of angles with horizontal plane, water seam length is 30mm, water seam width 6mm, and wide copper coin cooling water inflow of crystallizer is 4000L/min, and the one-sided cooling water inflow of crystallizer narrow copper plate is 250L/min, and narrow copper plate tapering coefficient is 1.10%.The continuous casting steel billet of casting does not have the corner crack defective, and rolling 20～60mm surface of steel plate does not have the limit to split defective.
Embodiment 2
Certain steel mill has adopted the chamfering crystallizer that carries tapering of the present invention when conticaster is cast 250mm * 1800mm continuous casting steel billet; The angle of crystallizer narrow copper plate two ends and wide copper coin formation is 90 °; The two ends berm width is 1mm; Fillet surface crystallizer arc radius suitable for reading is that 80mm, crystallizer end opening arc radius are 65mm, and fillet surface and leptoprosopy and platform intersection chamfer radius are 6mm, is 1.5mm from fillet surface and wide copper coin junction toward narrow copper plate direction fillet surface self taper value.Chamfer site cooling water seam becomes 70 ° of angles with horizontal plane, water seam length is 35mm, water seam width 5mm, and wide copper coin cooling water inflow of crystallizer is 5000L/min, and the one-sided cooling water inflow of crystallizer narrow copper plate is 350L/min, and narrow copper plate tapering coefficient is 1.20%.The continuous casting steel billet of casting does not have crackle, and rolling 40～80mm surface of steel plate does not have the limit to split defective.
Embodiment 3
Certain steel mill has adopted the tapering chamfering crystallizer that carries of the present invention when conticaster is cast 320mm * 2400mm continuous casting steel billet; The angle of crystallizer narrow copper plate two ends and wide copper coin formation is 90 °; The two ends berm width is 2mm, and fillet surface is the plane, and crystallizer fillet surface length suitable for reading is that 50mm, crystallizer end opening length are 48mm; Transition face and leptoprosopy and platform intersection chamfer radius are 3mm, are 2mm from fillet surface and wide copper coin junction toward narrow copper plate direction fillet surface self taper value.Chamfer site cooling water seam becomes 65 ° of angles with horizontal plane, water seam length is 40mm, water seam width 6mm, and wide copper coin cooling water inflow of crystallizer is 6000L/min, and the one-sided cooling water inflow of crystallizer narrow copper plate is 500L/min, and copper coin tapering coefficient is 1.25%.The continuous casting steel billet of casting does not have crackle, and rolling 40～120mm surface of steel plate does not have the limit to split defective.
Claims (5)
1. one kind carries tapering continuous casting steel billet chamfering crystallizer, comprises a wide relatively copper coin and relative narrow copper plate; It is characterized in that: fitted together by two wide relatively copper coins and two relative narrow copper plates and constitute, the narrow copper plate inner surface is circular arc camber or plane to the fillet surface of wide copper coin inner surface transition, and fillet surface has the nature back draught from crystallizer is suitable for reading to end opening; The angle of narrow copper plate two ends and wide copper coin formation is 90 °, and the berm width of narrow copper plate two ends fillet surface is 0～6mm; Fillet surface carries tapering:
When fillet surface was the plane, fillet surface was 20mm～120mm in crystallizer length suitable for reading, and fillet surface is 18～110mm at the length ratio of crystallizer end opening, fillet surface from suitable for reading to the transition of end opening nature;
When fillet surface was curved surface, fillet surface was 15～300mm at crystallizer arc radius suitable for reading, and fillet surface is at crystallizer end opening arc radius 10-280mm, fillet surface from suitable for reading to the transition of end opening nature; Fillet surface and leptoprosopy and platform intersection chamfer radius are 0～8mm.
2. the tapering continuous casting steel billet chamfering crystallizer that carries according to claim 1 is characterized in that: toward narrow copper plate direction fillet surface self tapering that increases is gradually arranged from fillet surface and wide copper coin junction, the taper value of increase is 0.4-3mm.
3. the tapering continuous casting steel billet chamfering crystallizer that carries according to claim 1 is characterized in that: the water seam of chamfer site becomes 30～85 ° of angles with copper coin leptoprosopy horizontal direction, and water seam length is 15～65mm, water seam width 3～15mm.
4. the tapering continuous casting steel billet chamfering crystallizer that carries according to claim 1, it is characterized in that: wide copper coin cooling water flow is 1000～8000L/min, narrow copper plate cooling water flow 100～1300L/min.。
5. the tapering continuous casting steel billet chamfering crystallizer that carries according to claim 1 is characterized in that: one-sided narrow copper plate tapering coefficient is 0.50～1.50% when the cast continuous casting steel billet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110281520A CN102328037A (en) | 2011-09-21 | 2011-09-21 | Chamfered crystallizer with taper continuous casting plate blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110281520A CN102328037A (en) | 2011-09-21 | 2011-09-21 | Chamfered crystallizer with taper continuous casting plate blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102328037A true CN102328037A (en) | 2012-01-25 |
Family
ID=45480147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110281520A Pending CN102328037A (en) | 2011-09-21 | 2011-09-21 | Chamfered crystallizer with taper continuous casting plate blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102328037A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642000A (en) * | 2012-05-08 | 2012-08-22 | 首钢总公司 | Slab continuous casting chamfer crystallizer narrow-face copper plate capable of effectively controlling longitudinal cracks of corners |
| CN102728795A (en) * | 2012-06-15 | 2012-10-17 | 首钢总公司 | Combined plate blank continuous casting chamfering crystallizer narrow-surface copper plate |
| CN102896284A (en) * | 2012-10-16 | 2013-01-30 | 首钢总公司 | Long-life combined chamfered crystallizer narrow-faced copper plate for continuous slab casting |
| CN104096811A (en) * | 2014-08-04 | 2014-10-15 | 秦皇岛首秦金属材料有限公司 | Narrow-face copper plate for asymmetric slab continuous casting chamfering crystallizer |
| CN104399917A (en) * | 2014-11-28 | 2015-03-11 | 东北大学 | Gradual cambered chamfered mold with enhanced water cooling structure and design method |
| CN104874754A (en) * | 2015-06-19 | 2015-09-02 | 东北大学 | Slab narrow-face inwards-convex curved-surface crystallizer and design method thereof |
| CN105964958A (en) * | 2016-07-22 | 2016-09-28 | 东北大学 | Gradient curvature slanting length chamfering crystallizer and design method thereof |
| CN108580817A (en) * | 2018-05-08 | 2018-09-28 | 攀钢集团西昌钢钒有限公司 | A kind of slab caster casting process |
| CN110405163A (en) * | 2019-09-03 | 2019-11-05 | 山东钢铁股份有限公司 | A kind of device and method for eliminating big width steel plate stocking edge black line defect |
| CN111286576A (en) * | 2020-03-26 | 2020-06-16 | 山东泰山钢铁集团有限公司 | Method for producing stainless steel slab by arc chamfering crystallizer continuous casting machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0552501A2 (en) * | 1992-01-20 | 1993-07-28 | Sms Schloemann-Siemag Aktiengesellschaft | Mould for continuous casting steel strip |
| EP0658387A1 (en) * | 1993-12-17 | 1995-06-21 | Sms Schloemann-Siemag Aktiengesellschaft | Mould for continuous casting steel strip |
| CN1266388A (en) * | 1997-08-04 | 2000-09-13 | 乔维尼·阿维迪 | Improved contact mould for the continuous casting of steel slabs |
| CN1909994A (en) * | 2003-12-27 | 2007-02-07 | 康卡斯特股份公司 | Die cavity of a casting die for continuously casting billets and blooms |
| CN201380275Y (en) * | 2009-03-17 | 2010-01-13 | 上海梅山钢铁股份有限公司 | Plate blank continuous casting crystallizer |
| CN201677013U (en) * | 2010-05-19 | 2010-12-22 | 首钢总公司 | Continuous slab casting mold |
| CN201871696U (en) * | 2010-10-27 | 2011-06-22 | 钢铁研究总院 | Narrow face copper plate of crystallizer with curved structure |
-
2011
- 2011-09-21 CN CN201110281520A patent/CN102328037A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0552501A2 (en) * | 1992-01-20 | 1993-07-28 | Sms Schloemann-Siemag Aktiengesellschaft | Mould for continuous casting steel strip |
| EP0658387A1 (en) * | 1993-12-17 | 1995-06-21 | Sms Schloemann-Siemag Aktiengesellschaft | Mould for continuous casting steel strip |
| CN1266388A (en) * | 1997-08-04 | 2000-09-13 | 乔维尼·阿维迪 | Improved contact mould for the continuous casting of steel slabs |
| CN1909994A (en) * | 2003-12-27 | 2007-02-07 | 康卡斯特股份公司 | Die cavity of a casting die for continuously casting billets and blooms |
| CN201380275Y (en) * | 2009-03-17 | 2010-01-13 | 上海梅山钢铁股份有限公司 | Plate blank continuous casting crystallizer |
| CN201677013U (en) * | 2010-05-19 | 2010-12-22 | 首钢总公司 | Continuous slab casting mold |
| CN201871696U (en) * | 2010-10-27 | 2011-06-22 | 钢铁研究总院 | Narrow face copper plate of crystallizer with curved structure |
Non-Patent Citations (1)
| Title |
|---|
| 陈永，罗歆，沈厚发: "连铸结晶器内大方坯的热力耦合分析", 《钢铁》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642000A (en) * | 2012-05-08 | 2012-08-22 | 首钢总公司 | Slab continuous casting chamfer crystallizer narrow-face copper plate capable of effectively controlling longitudinal cracks of corners |
| CN102728795A (en) * | 2012-06-15 | 2012-10-17 | 首钢总公司 | Combined plate blank continuous casting chamfering crystallizer narrow-surface copper plate |
| CN102896284A (en) * | 2012-10-16 | 2013-01-30 | 首钢总公司 | Long-life combined chamfered crystallizer narrow-faced copper plate for continuous slab casting |
| CN102896284B (en) * | 2012-10-16 | 2015-04-22 | 首钢总公司 | Long-life combined chamfered crystallizer narrow-faced copper plate for continuous slab casting |
| CN104096811A (en) * | 2014-08-04 | 2014-10-15 | 秦皇岛首秦金属材料有限公司 | Narrow-face copper plate for asymmetric slab continuous casting chamfering crystallizer |
| CN104096811B (en) * | 2014-08-04 | 2016-03-30 | 秦皇岛首秦金属材料有限公司 | A kind of asymmetric sheet billet continuous casting chamfer crystallizer narrow copper plate |
| CN104399917A (en) * | 2014-11-28 | 2015-03-11 | 东北大学 | Gradual cambered chamfered mold with enhanced water cooling structure and design method |
| CN104874754A (en) * | 2015-06-19 | 2015-09-02 | 东北大学 | Slab narrow-face inwards-convex curved-surface crystallizer and design method thereof |
| CN105964958A (en) * | 2016-07-22 | 2016-09-28 | 东北大学 | Gradient curvature slanting length chamfering crystallizer and design method thereof |
| CN108580817A (en) * | 2018-05-08 | 2018-09-28 | 攀钢集团西昌钢钒有限公司 | A kind of slab caster casting process |
| CN110405163A (en) * | 2019-09-03 | 2019-11-05 | 山东钢铁股份有限公司 | A kind of device and method for eliminating big width steel plate stocking edge black line defect |
| CN111286576A (en) * | 2020-03-26 | 2020-06-16 | 山东泰山钢铁集团有限公司 | Method for producing stainless steel slab by arc chamfering crystallizer continuous casting machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102328037A (en) | Chamfered crystallizer with taper continuous casting plate blank | |
| CN102642000A (en) | Slab continuous casting chamfer crystallizer narrow-face copper plate capable of effectively controlling longitudinal cracks of corners | |
| CN102728795A (en) | Combined plate blank continuous casting chamfering crystallizer narrow-surface copper plate | |
| CN201677013U (en) | Continuous slab casting mold | |
| KR20140005374A (en) | Pre-control method of head and tail shapes of continuous casting slab for reducing the removed amount from the head and tail of hot-rolled intermediate slab | |
| CN202239532U (en) | Cooling and fixing device for chamfered crystallizer narrow-edge copper plate | |
| US20120279676A1 (en) | Chamfered narrow side copper plate for mould with funnel-shaped curved surface | |
| CN103831412A (en) | Production method for controlling straight crack defect of surface edge of medium-thick plate | |
| CN104226939A (en) | Narrow-face copper plate taper back draft process for continuous casting sheet billet chamfering crystallizer | |
| CN201132207Y (en) | Slab crystallizer | |
| CN203380340U (en) | Slab continuous casting chamfering crystallizer narrow-face copper plate | |
| CN101733619A (en) | Production technology of large round steel | |
| CN201913217U (en) | Supporting foot roller suitable for continuous casting billet equipped with chamfer | |
| CN204685980U (en) | One laterally with longitudinally becomes convexity continuous casting crystallizer copper plate | |
| CN102896284B (en) | Long-life combined chamfered crystallizer narrow-faced copper plate for continuous slab casting | |
| CN105312842A (en) | Manufacturing method of super-thick steel plate with excellent Z-direction performance | |
| CN102909331B (en) | Dummy bar head special for chamfered mold for continuous casting slabs | |
| CN102248251B (en) | Method for checking and finishing plate blank by using flame | |
| CN108907121A (en) | power function crystallizer copper pipe | |
| CN203621418U (en) | Combined type crystallizer narrow-edge copper plate capable of continuously changing cross section shapes | |
| CN204381322U (en) | Non-crystal belt making production chill roll | |
| CN105423113B (en) | Roll-casting of magnesium alloy plate prepares the blank shape and method for determining dimension of wide sheet | |
| CN112742880B (en) | Method for controlling head and tail shapes of narrow-specification steel plates through local temperature difference | |
| CN104096811B (en) | A kind of asymmetric sheet billet continuous casting chamfer crystallizer narrow copper plate | |
| CN202180178U (en) | Hopper-shaped crystallizer used for continuous casting of sheet billets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120125 |