Temat: refining ladle - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Influence of Technological Parameters of X70 Stainless Steel Ladle Refining on the Residual Content of Non-Metallic Inclusions
Autorzy:: Babanin, A.
Babanina, O.
Bilousov, V.
Komarov, B.
Pashchuk, D.
Shalapko, J.
Powiązania:: https://bibliotekanauki.pl/articles/381636.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: non-metallic inclusions
secondary refining
ladle furnace
tundish ladle
wtrącenia niemetaliczne
rafinacja wtórna
piec kadziowy
Opis:: It is demonstrated that during secondary refining at the ladle furnace the carbon content of steel and the residence time of the metal in the ladle exert a significant impact on the residual content of non-metallic inclusions (NMI) in steel. Mathematical calculations showed that the dynamic forces have minor effect on the motion of small sized NMI, making it difficult to penetrate deep into the slag.
Źródło:: Archives of Foundry Engineering; 2015, 15, 3; 5-10
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Physical Modelling of Degassing Process by Blowing of Inert Gas
Autorzy:: Michalek, K.
Tkadlečková, M.
Socha, L.
Gryc, K.
Saternus, M.
Pieprzyca, J.
Merder, T.
Powiązania:: https://bibliotekanauki.pl/articles/351001.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: physical modelling
refining ladle
inert gas blowing
degassing process
impeller
Opis:: This paper deals with the possibilities of using physical modelling to study the degassing of metal melt during its treatment in the refining ladle. The method of inert gas blowing, so-called refining gas, presents the most common operational technology for the elimination of impurities from molten metal, e.g. for decreasing or removing the hydrogen content from liquid aluminium. This refining process presents the system of gas-liquid and its efficiency depends on the creation of fine bubbles with a high interphase surface, uniform distribution, long period of its effect in the melt, and mostly on the uniform arrangement of bubbles into the whole volume of the refining ladle. Physical modelling represents the basic method of modelling and it makes it possible to obtain information about the course of refining processes. On the basis of obtained results, it is possible to predict the behaviour of the real system during different changes in the process. The experimental part focuses on the evaluation of methodical laboratory experiments aimed at the proposal and testing of the developed methods of degassing during physical modelling. The results obtained on the basis of laboratory experiments realized on the specific physical model were discussed.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 2; 987-992
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The Influence of Optimization Parameters on the Efficiency of Aluminium Melt Refining by using Physical Modelling
Autorzy:: Walek, Josef
Michalek, Karel
Tkadlečková, Markéta
Powiązania:: https://bibliotekanauki.pl/articles/2174623.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: physical modelling
refining ladle
blowing of inert gas
degassing of the melt
impeller
modelowanie fizyczne
kadź rafinacyjna
wdmuchiwanie gazu obojętnego
odgazowanie stopu
wirnik
Opis:: The article describes the influence of optimization parameters on the efficiency of aluminium melt refining by using physical modelling. The blowing of refining gas, through a rotating impeller into the ladle is a widely used operating technology to reduce the content of impurities in molten aluminium, e.g. hydrogen. The efficiency of this refining process depends on the creation of fine bubbles with a high interphase surface, wide-spread distribution, the residence time of its effect in the melt, and mostly on the wide-spread dispersion of bubbles in the whole volume of the refining ladle and with the long period of their effect in the melt. For physical modelling, a plexiglass model on a scale of 1:1 is used for the operating ladle. Part of the physical model is a hollow shaft used for gas supply equipped with an impeller and also two baffles. The basis of physical modelling consists in the targeted utilization of the similarities of the processes that take place within the actual device and its model. The degassing process of aluminium melt by blowing inert gas is simulated in physical modelling by a decrease of dissolved oxygen in the model liquid (water).
Źródło:: Archives of Foundry Engineering; 2022, 22, 3; 60--66
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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