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A Novel Tundish for Single Strand Slab Casting
Abstract Increasing the production efficiency of the continuous casting process requires casting longer sequences of ladles without stopping and restarting the caster. As the demand for wider ranges of steel products increases at the same time, the intermixing of dissimilar grades is becoming a problem of growing concern. Large quantities of metal loss occurs from down gradation when two highly dissimilar grades are intermixed. With increased usage of steel for critical applications, the demand for cleaner steel has increased. Existing technologies have been improved and new technologies are being introduced all along the process route to minimize the size and quantity of inclusions. The detrimental effect of inclusion creates sliver in the hot rolled coil. To overcome the aforementioned problems a novel multi reactor tundish with argon purging technology has been developed which will decrease the intermixed amount during grade transition. Simultaneously, it will increase the quality of steel by removing inclusion by forced flotation and increasing the plug flow and residence time in tundish. A computational study of the newly developed tundish has been done by using ANSYS Fluent computational fluid dynamics software and the results have been compared with three different types of tundishes used in industry.
A Novel Tundish for Single Strand Slab Casting
Abstract Increasing the production efficiency of the continuous casting process requires casting longer sequences of ladles without stopping and restarting the caster. As the demand for wider ranges of steel products increases at the same time, the intermixing of dissimilar grades is becoming a problem of growing concern. Large quantities of metal loss occurs from down gradation when two highly dissimilar grades are intermixed. With increased usage of steel for critical applications, the demand for cleaner steel has increased. Existing technologies have been improved and new technologies are being introduced all along the process route to minimize the size and quantity of inclusions. The detrimental effect of inclusion creates sliver in the hot rolled coil. To overcome the aforementioned problems a novel multi reactor tundish with argon purging technology has been developed which will decrease the intermixed amount during grade transition. Simultaneously, it will increase the quality of steel by removing inclusion by forced flotation and increasing the plug flow and residence time in tundish. A computational study of the newly developed tundish has been done by using ANSYS Fluent computational fluid dynamics software and the results have been compared with three different types of tundishes used in industry.
A Novel Tundish for Single Strand Slab Casting
Chatterjee, Debasish (author)
Journal of The Institution of Engineers (India): Series D ; 97 ; 105-112
2015-09-05
8 pages
Article (Journal)
Electronic Resource
English
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