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  Authors

Dr Rachappa Kadli

  Keywords

Grade mixing, Tundish, Ladle shroud normal, Extended shroud, Water model

  Abstract


Due to stringent market orders and global competition, steel making engineers are confronting the challenge of scheduling and delivery of various steel grades. To overcome this by enhancing the yield and by reducing refractory cost by achieving or increasing sequence length in Tundish , Especially casting managers are involved to plan in advance for mixing different grades in casting . In mixing practice after a ladle close to next ladle opening that results in generating Mixed slabs which will be downgraded or discarded with more quantity of rejection depending upon the width we lose yield due to chemistry change. In our water modelling study carried out to determine the mixing in tundish of different chemistry grades and also studies the length of mixing slab evaluated and same optimization of mixed slab determined and reduces the scrap and aims it for prime grades. In respect to above study of mixing of steel in tundish prediction based on physical 2/5th scale Water modelling tundish and Numerical simulations have been studied and same implemented in our operation practice by JSW. JSW steel limited engineers studied the influence of the extended different length shroud design and submergence of different height of steel level in tundish, the Turbostop of impact pad geometry, tundish wall profile and bottom slope design with considering optimizing casting parameters to reduce the mixing zone from 20 T to 6 T of tundish weight and it is by reducing rejection length from 20 mtr down to less than 5 mtr for steel grade with chemistry of 0.08% Carbon and manganese 0.35% to 0.15% Carbon and 0.85% Manganese

  IJCRT's Publication Details

  Unique Identification Number - IJCRT1807380

  Paper ID - 189979

  Author type - Indian Author

  Page Number(s) - 360-368

  Pubished in - Volume 6 | Issue 2 | April 2018

  DOI (Digital Object Identifier) -   

  No Of Downloads - 1233

  Author Country - 583275, India, Ballari, Ballari, India, Science & Technology

  Publisher Name - IJPUBLICATION | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Published Paper PDF : - http://www.ijcrt.org/papers/IJCRT1807380

  Published Paper URL: : - http://ijcrt.org/viewfull.php?&p_id=IJCRT1807380

  Published Paper PDF Downlaod: - download.php?file=IJCRT1807380

  Cite this article

Dr Rachappa Kadli,   "OPTIMIZATION OF LIQUID STEEL GRADE MIX PRACTICE IN TUNDISH BY USING EXTENDED SHROUD.", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.6, Issue 2, pp.360-368, April 2018, Available at :http://www.ijcrt.org/papers/IJCRT1807380.pdf

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