CN2547438Y - Slab continuous-casting crystallizer narrow-strop copper plate - Google Patents
Slab continuous-casting crystallizer narrow-strop copper plate Download PDFInfo
- Publication number
- CN2547438Y CN2547438Y CN 02214026 CN02214026U CN2547438Y CN 2547438 Y CN2547438 Y CN 2547438Y CN 02214026 CN02214026 CN 02214026 CN 02214026 U CN02214026 U CN 02214026U CN 2547438 Y CN2547438 Y CN 2547438Y
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- copper plate
- working face
- strop
- casting crystallizer
- copper
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Abstract
The utility model provides a slab continuous-casting crystallizer narrow-strop copper plate for the continuous casting technical field, which is mainly characterized in that: bulging triangles of 6-10 mm*45 degrees are arranged on the two sides of a working face, and an inclined plane is provided with a coating with required thickness just like a plane part. The utility model can overcome or reduce steel drawing accidents, improve steel slab quality and facilitate normal operation. The parent metal of the copper plate is chrome zirconium copper alloy or other copper alloys, and the working face is galvanized with ferro nickel, cobalt nickel or other coatings.
Description
Technical field:
The utility model belongs to the continuous casting steel machine technical field, relates to the narrow limit of a kind of continuous casting crystallizer for plate billet copper coin.
Background technology:
Crystallizer is very crucial parts in the continuous casting equipment, copper plate of crystallizer becomes the important conducting-heat elements of solid-state base shell, its technical performance directly to have influence on the index such as surface quality, conticaster pulling rate, continuous casting operating rate of continuous casting billet as continuous casting from liquid molten steel solidification.Its work inner chamber is combined by two width edge plates and two narrow side plates, and the narrow limit of continuous cast mold copper coin section configuration is rectangle, and is different according to casting blank specification, and general wide is between the 150-250 millimeter, thick in 40-60 millimeter scope.There is following problem in the crystallizer internal cavity bight in the use:
1, narrow side plate is worked in the middle of being clipped in two width edge plates, rubber weather strip is housed around the copper coin back side and the water tank faying face, bosh influences because of it, can not arrange to such an extent that relatively keep to the side, so limit portion cooling effect is poor, it is bight hot-face temperature height, strand bight base shell is thin, and is inhomogeneous, easily causes the bight bleed-out, influence is produced, and causes damage.
2, bight temperature height, copper coin produces distortion, becomes big with slit, broadside copper coin junction, and greater than 0.15 millimeter the time, molten steel easily infiltrates the slit, can cause the bight dross, and the strand chink can't normally be drawn a series of problems such as steel.
The problems referred to above, numerous steel mills had once done the specific aim test and had used, and inlayed copper bar etc. as narrow side plate two sides, and effect is also not obvious.
Summary of the invention:
The purpose of this utility model reduces the bleed-out accident that is caused by it for a kind of new narrow side plate section configuration is provided, and makes its operation normal.
The technical scheme that the utility model is taked is, promptly on former rectangular cross section basis, is provided with the triangle of protrusion on its working face both sides, and identical with other parts of working face, has the coating of desired thickness on request.
The triangular portions of its protrusion of the narrow side plate section configuration of the utility model becomes strand for four jiaos by former 90 ° be 135 ° of anises; alleviated the unit friction in former bight; friction is also even relatively; make and draw the steel process smooth; even the continuous casting covering slag performance fluctuates to some extent; also be unlikely to break because of its base shell, the molten steel seepage, scab in the strand bight.Simultaneously, the leg-of-mutton existence of section makes strand remove four jiaos, and bight temperature and other position are more consistent relatively, has alleviated the generation that the cooling of crystallizer internal cavity bight is poor, hot-face temperature is higher, the base shell is thin, easily produce bight bleed-out accident.The copper coin distortion also can slow down to some extent in addition, even distortion produces the slit, narrow side plate limit portion triangle also can change the molten steel pressure direction to a certain extent, reduces the chance that molten steel infiltrates the slit, makes and draws the steel process more normal; The narrow side plate section configuration of the utility model, scientific and reasonable, use reliably, slab quality is improved, avoid or alleviate bight bleed-out accident, make production process normal, operating rate improves.
Description of drawings:
Fig. 1 is the utility model mould at narrow plate section structure schematic diagram
The specific embodiment:
As shown in Figure 1, on the rectangular cross section basis, be provided with the 6-1 millimeter * 45 ° triangle 2 of protrusion on the working face both sides of narrow side plate 1, and identical, have the coating 3 of desired thickness on request with other parts of its working face.Triangle height is looked the slab thickness size, and thickness is got high value greatly, otherwise gets low value, and common section 150-250 millimeter can be chosen from the 6-10 millimeter successively.
The narrow side plate processing technology of section is: the copper coin material is chromium zirconium copper or silver-bearing copper, through heat treatment and cold-working processing, meet the requirements of machinery and physical property, on machine tool, be processed into the light blank, new section slab material, need on raw sheet blank basis, increase 6-10 millimeter (deciding) light blank through 200-230 ℃ of timeliness by thickness, eliminate finishing stress on the triangle form height.Flange processing working face, first cutting plane part reaches target size, adopts autocratic rose reamer again, and the triangle rib is protruded in processing two, and because of general thickness of coating is 0.2 millimeter suitable for reading an of copper coin, 1.5 millimeters of end openings, working face add need excise this amount man-hour.After finishing finished, artificial reconditioning plating down because of its two triangles working face is higher than planar section, and was a wedge angle, and the point discharge effect is strong, and the bight is difficult to plating, does not reach designing requirement, so need do special profiling sun plate, cloudy plate protective device and frock.Consider the inhomogeneities of allowance and coating, thickness of coating is 2.2 millimeter.After copper coin went out groove, labor cleaning's reconditioning entered coating processing after the timeliness, the coating hardness height reaches more than the HV=500 sometimes, especially triangle portion processing, general cutter and lathe are difficult to cutting, need to adopt digital control plane milling and boring machine and the processing of autocratic carbide alloy rose reamer, polish after the completion of processing.Its maximum characteristics are that triangular facet still plates with wearing layer.
Claims (2)
1, the narrow limit of continuous casting crystallizer for plate billet copper coin, it is characterized in that: its working face both sides are provided with the triangle of protrusion, and identical with other parts of working face, have the coating of desired thickness on request.
2, the narrow limit of continuous casting crystallizer for plate billet according to claim 1 copper coin is characterized in that triangle is an isosceles triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214026 CN2547438Y (en) | 2002-04-10 | 2002-04-10 | Slab continuous-casting crystallizer narrow-strop copper plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214026 CN2547438Y (en) | 2002-04-10 | 2002-04-10 | Slab continuous-casting crystallizer narrow-strop copper plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2547438Y true CN2547438Y (en) | 2003-04-30 |
Family
ID=33693427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02214026 Expired - Lifetime CN2547438Y (en) | 2002-04-10 | 2002-04-10 | Slab continuous-casting crystallizer narrow-strop copper plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2547438Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012004204U1 (en) | 2011-05-03 | 2012-06-15 | Central Iron & Steel Research Institute | Bevelled narrow-side copper plate for casting mold with funnel-shaped curved surface |
| CN103273022A (en) * | 2013-06-06 | 2013-09-04 | 鞍钢股份有限公司 | Method for cleaning gaps of slab crystallizer copper plates |
| CN105108086A (en) * | 2015-09-15 | 2015-12-02 | 西峡龙成特种材料有限公司 | Chamfered continuous casting crystallizer narrow-surface dynamic plate |
| CN109550910A (en) * | 2017-09-25 | 2019-04-02 | 上海宝钢工业技术服务有限公司 | The restorative procedure of chamber crystallizer narrow-surface copper |
-
2002
- 2002-04-10 CN CN 02214026 patent/CN2547438Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012004204U1 (en) | 2011-05-03 | 2012-06-15 | Central Iron & Steel Research Institute | Bevelled narrow-side copper plate for casting mold with funnel-shaped curved surface |
| US8776862B2 (en) | 2011-05-03 | 2014-07-15 | Central Iron And Steel Research Institute | Chamfered narrow side copper plate for mould with funnel-shaped curved surface |
| US9089894B2 (en) | 2011-05-03 | 2015-07-28 | Central Iron And Steel Research Institute | Chamfered narrow side copper plate for mould with funnel-shaped curved surface |
| CN103273022A (en) * | 2013-06-06 | 2013-09-04 | 鞍钢股份有限公司 | Method for cleaning gaps of slab crystallizer copper plates |
| CN105108086A (en) * | 2015-09-15 | 2015-12-02 | 西峡龙成特种材料有限公司 | Chamfered continuous casting crystallizer narrow-surface dynamic plate |
| CN105108086B (en) * | 2015-09-15 | 2018-05-22 | 西峡龙成特种材料有限公司 | A kind of continuous cast mold leptoprosopy dynamic plate with chamfering |
| CN109550910A (en) * | 2017-09-25 | 2019-04-02 | 上海宝钢工业技术服务有限公司 | The restorative procedure of chamber crystallizer narrow-surface copper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120410 Granted publication date: 20030430 |