CN202683994U - Vertical continuous casting device of stainless steel - Google Patents
Vertical continuous casting device of stainless steel Download PDFInfo
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- CN202683994U CN202683994U CN 201220193352 CN201220193352U CN202683994U CN 202683994 U CN202683994 U CN 202683994U CN 201220193352 CN201220193352 CN 201220193352 CN 201220193352 U CN201220193352 U CN 201220193352U CN 202683994 U CN202683994 U CN 202683994U
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- stainless steel
- vertical continuous
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Abstract
A vertical continuous casting device of stainless steel is mainly composed of a mold, a tundish, a dip pipe nozzle, an electromagnetic stirrer and a supporting roller. The vertical continuous casting device is characterized in that a refractory ceramic layer is coated on the inner wall of the mold, and the inner diameter of the mold increases towards the outlet on the lower side of the mold. The inner diameter on the outlet side of the mold increases towards the outlet, so that fretting corrosion of a melt or a billet case to the refractory coating on the outlet side can be effectively alleviated, and the service life of the mold is prolonged.
Description
Technical field
The present invention relates to a kind of stainless steel process units, specifically a kind of stainless steel vertical continuous casting device.
Background technology
Stainless steel continuous casting starts from the fifties in last century, and developing history is very long.Compare with stainless die casting, the stainless steel continuous casting not only ratio of yield rate greatly improves (being at least 10%), and product per ton can reduce the energy consumption of the standard coal of 20-130kg, especially the even tissue of continuous casting billet, segregation are less, therefore substantially replace die casting technology, become the main technique pillar that stainless steel is produced.
And vertical continuous casting is compared with horizontal casting, can overcome the problems such as the slab tissue odds that produces because of deadweight in the horizontal casting process spares, it generally adopts lubricant in addition, so that the likelihood ratio horizontal casting of its generation bleedout is also little, therefore, vertical continuous casting has obtained the comparatively extensively production application of usefulness.
Nonetheless, because the characteristics such as the stainless steel melt pyroconductivity is little, coefficient of thermal expansion is large, the shell thickness that causes so that it is easy to inhomogeneous cooling occurs in the process of vertical continuous casting is uneven, namely comparatively fast solidify formation base shell owing to the cooling effect of mold with the stainless steel melt that mold directly contacts, melt away from mold then cools off slower, the base shell that forms is thinner, the difference of this setting rate, so that base shell thin location cracks owing to intensity is little, when serious even bleedout occurs.
Being commonly used to solution to the problems described above in the prior art is coating refractory ceramic material on the mold inwall, thereby reduce mold to the heat transfer cooling effect of melt, yet because melt is very serious to the galling of refractory coating in the casting process, mold melt outlet side particularly is easy to produce peeling off of coating and lost efficacy.
Summary of the invention
The purpose of this utility model namely is to provide a kind of can addressing the above problem, so that the stainless steel vertical continuous casting device of vertical continuous casting continuous and stable production.
For achieving the above object, the structure of the mold of in the utility model vertical continuous casting being used is optimized design, the internal diameter of mold outlet side is set to the closer to outlet, internal diameter is larger, so just can effectively relax melt or base shell for the galling of outlet side refractory coating, thereby prolong the service life of mold.
The technical scheme that the utility model adopts is as follows: a kind of stainless steel vertical continuous casting device, mainly consisted of by mold, tundish, dipping ozzle, magnetic stirrer, support roller, it is characterized in that: the inwall of described mold is coated with the refractory layer, and near the outlet of mold downside, the closer to outlet, the internal diameter of mold is larger.
The beneficial effects of the utility model are: the internal diameter by the mold outlet side is set to the closer to outlet, and internal diameter is larger, so just can effectively relax melt or base shell for the galling of outlet side refractory coating, thereby has prolonged the service life of mold.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
The specific embodiment
Be described in detail below in conjunction with 1 pair of the utility model of accompanying drawing, a kind of stainless steel vertical continuous casting device, mainly consisted of by mold 1, tundish 3, dipping ozzle 4, magnetic stirrer 6, support roller 7, it is characterized in that: the inwall of described mold 1 is coated with refractory layer 2, and near the outlet of mold 1 downside, the closer to outlet, the internal diameter of mold 1 is larger.
During cast, molten steel is entered in the mold 1 by the tundish 3 dipping ozzle 4 of flowing through, and molten steel is cooled owing to touching mold 1 inwall, formation base shell 5.
Claims (1)
1. stainless steel vertical continuous casting device, mainly be made of mold, tundish, dipping ozzle, magnetic stirrer, support roller, it is characterized in that: the inwall of described mold is coated with the refractory layer, and near the outlet of mold downside, the closer to outlet, the internal diameter of mold is larger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193352 CN202683994U (en) | 2012-04-28 | 2012-04-28 | Vertical continuous casting device of stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220193352 CN202683994U (en) | 2012-04-28 | 2012-04-28 | Vertical continuous casting device of stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683994U true CN202683994U (en) | 2013-01-23 |
Family
ID=47539666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220193352 Expired - Fee Related CN202683994U (en) | 2012-04-28 | 2012-04-28 | Vertical continuous casting device of stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202683994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929636A (en) * | 2017-04-05 | 2017-07-07 | 山东钢铁股份有限公司 | A kind of RH refining furnaces dip pipe for heating molten steel and heating molten steel method |
-
2012
- 2012-04-28 CN CN 201220193352 patent/CN202683994U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929636A (en) * | 2017-04-05 | 2017-07-07 | 山东钢铁股份有限公司 | A kind of RH refining furnaces dip pipe for heating molten steel and heating molten steel method |
| CN106929636B (en) * | 2017-04-05 | 2019-08-20 | 山东钢铁股份有限公司 | A kind of the RH refining furnace dip pipe and heating molten steel method of heating molten steel |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130428 |