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Wyświetlanie 1-2 z 2
Tytuł:
Recycling of the Steelmaking by-products into the Oxygen Converter Charge
Autorzy:
Baricová, Dana
Pribulová, Alena
Buľko, Branislav
Demeter, Peter
Powiązania:
https://bibliotekanauki.pl/articles/27315800.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
oxygen converter
demetallized slag
flue dust
recycling
konwertor tlenu
odmetalizowany żużel
pył spalinowy
recykling
Opis:
In the technological process of the steelmaking plant, secondary products are produced in parallel with the production of the main product, which have the character of secondary by products or industrial waste. The major secondary products of steelmaking production include waste gases, process fluids, flue dust, sludge, slags and mill scales. The paper presents the results of research project directed to the utilization of demetallized steelmaking slag and oxygen converter flue dust in charge of top blowed oxygen converter. The influence of demetallized slag additions on slag regime in converter and chemical composition of final slag is described and discussed. Recommendations concerning amount of demetallized slag additions are also presented. Flue dust was recycled in form of briquettes. No significant effect of the recycling demetallized converter slag and flue dust briquette on process of hot metal refining and on quality of produced steel were recorded. Regarding the achieved results it can be confirmed that the use of the secondary products like demetallized slag and convertor flue dust in form briquettes, is environmentally acceptable as well as the use of natural materials and poses no increased risk to human health or the environment.
Źródło:
New Trends in Production Engineering; 2019, 2, 2; 1-11
2545-2843
Pojawia się w:
New Trends in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Adjustment of the Tundish Water Model of Continuous Casting
Autorzy:
Blaško, Peter
Bulko, Branislav
Petrík, Jozef
Demeter, Peter
Socha, Vladimir
Hanáková, Lenka
Palfy, Pavol
Solc, Marek
Vasilňáková, Andrea
Powiązania:
https://bibliotekanauki.pl/articles/2048879.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
steel
tundish
water model
continuous casting
statistical methods
Opis:
Whereas approximately 96.3% of the steel produced worldwide is made by continuous casting, great emphasis is put on the superior efficiency of this process. The water model of the tundish and mathematical modeling is often used for the simulation of the steel flow during continuous casting. The experiments were performed on a model of the tundish with two outlets, at two casting speeds (0.8 m.s-1 and 1.2 m.s-1). Eight setups of the tundish were evaluated, which differed in the design of the dams (with or without drainage holes), in their distance from the center of the tundish, and their height. The contribution of the work is the analysis of phenomena in the tundish water model in conditions of repeatability (ten repetitions). The goal is to find the setup providing the most symmetrical flow, with the minimum difference in the residence times Δτ on the two outlets. Taking into account the results obtained at both casting speeds, the most preferred is setup 2 with the 87 mm high dams placed 587 mm from the center of tundish (Δτ = 0.5). The setup 3 (Δτ = 8.25) appears to be the least appropriate. The higher the casting speed, the higher the number of unsuitable arrangements.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 1; 97-104
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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