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Wyszukujesz frazę "Wędrychowicz, W." wg kryterium: Autor

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    Tytuł:
    The Concept of Optimizing the Decopperisation of Slag Slurry in Electrical Furnace
    Autorzy:
    Wędrychowicz, M.
    Bydałek, A. W.
    Wołczyński, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/381620.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    slag slurry
    manufacture optimization
    decopperisation
    zawiesina żużla
    optymalizacja produkcji
    odmiedziowanie
    Opis:
    This paper presents the idea of increasing the effectiveness of slag decopperisation in an electric furnace in the "Głogów II" Copper Smelter by replacing the currently added CaCO3 with a less energy-intensive technological additive. As a result of this conversion, one may expect improved parameters of the process, including process time or power consumption per cycle. The incentives to optimize the process are the benefits of increasing copper production in the company and the growing global demand for this metal. The paper also describes other factors that may have a significant impact on the optimization of the copper production process. Based on the literature analysis, a solution has been developed that improves the copper production process. The benefits of using a new technology additive primarily include increased share of copper in the alloy, reduced production costs, reduced amount of power consumed per cycle and reduced time it takes to melt. At the conclusion of the paper, the issues raised are highlighted, stressing that mastering the slag slurry process in electric furnaces requires continuous improvement.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 4; 169-174
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of Slag Activity on Corrosion of Ceramic Materials in a Slurry Furnace
    Autorzy:
    Wędrychowicz, M.
    Bydałek, A. W.
    Basiura, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/380075.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    furnace lining
    ceramic material
    corrosion
    flash furnace slag
    copper
    Opis:
    The article discusses the process of copper production in a slurry furnace and in a converter, with the indication of corrosion effects of the extractor. The furnace shaft and settling furnace of the flash furnace were analyzed. The basic factors determining the choice of single-stage technology of copper smelting in relation to the exploitation of refractory materials were indicated. The effects of dissolving the furnace lining material through slag have been presented. Structural analysis results using a scanning microscope are also included. The kinetics of destruction of ceramic materials under the influence of copper slag were evaluated. It has been shown that detailed analyzes are necessary in order to extend the time of furnace extensibility of furnaces in copper processes. The surface layer of the crucible softens due to saturation with slag reagents and is then washed out and moves in the solid form to the slag. The research in the article indicate not only the possibility of dissolution of the ceramic material in the molten slag, but also possibility of erosive activity of the slag on that material.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 3; 95-100
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimisation of a Production System in the Process of Remelting of Post-Reduction Slag by Applying New Physical and Chemical Conditions
    Autorzy:
    Bydałek, A. W.
    Wołczyński, W.
    Wędrychowicz, M.
    Holtzer, M.
    Basiura, B.
    Palimąka, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/379861.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    product development
    quality management
    decopperisation process
    flash smelting slag
    production system optimisation
    rozwój produktu
    zarządzanie jakością
    proces odmiedziowania
    żużel zawiesinowy
    Opis:
    Production processes at KGHM are complex and require from customers products of constantly higher quality at relatively lowest prices. Such situation results in an increase of the importance of optimisation of processes. As products and technologies change rapidly, technologists at the plant in Głogów have less time to achieve optimisation basing on own experiences. Analysing a particular process, we can e.g. detect occurring disturbances, find factors having an influence on quality problems, select optimal settings or compare various production procedures. Analysis of the course of production process is the basis of process optimisation. One optimisation in case of the process of decopperisation of flash slag can be a change of a technological additive to a less energy-consuming one, and its final result can be an improvement of the productivity index, a change of the relation between final effects and born expenditures, as well as optimisation of production costs.
    Źródło:
    Archives of Foundry Engineering; 2018, 18, 4; 5-8
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structural Analysis of the Selected Products From the Suspension Furnace Produced in the Internal Recycling
    Autorzy:
    Bydałek, A. W.
    Schlafka, P.
    Grządko, K.
    Wołczyński, W.
    Kwapisiński, P.
    Bromber, S.
    Wędrychowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/382682.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    slag
    copper recovery
    recycling
    żużel
    odzyskiwanie miedzi
    recykling
    Opis:
    There are presents the internal recycling in anode furnace, in addition to mainly blister copper and converter copper. During the process there arise the two types of semi-finished products intended for further pyro metallurgical processing: anode copper and anode slag. The stream of liquid blister copper enters into the anode furnace treatment, in which the losses are recovered, e.g. copper, resulting from oxidation and reduction of sulfides, oxides and the oxidation of metallic compounds of lead, zinc and iron. In the liquid phase there are still gaseous states, which gives the inverse relationship relating to the solid phase, wherein the gases found an outlet in waste gas or steam. The results of chemical analysis apparently differ from each other, because crystallite placement, the matrix structure and the presence of other phases and earth elements are not compared, which can be regained in the process of electrorefining. One should not interpret negatively smaller proportion of copper in the alloy, since during the later part of the production more elements can be obtained, for example from sludge, such as platinum group metals and lanthanides. According to the research the quality of blister copper, to a large extent, present in the alloy phase to many other elements, which can be recovered.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 2; 9-14
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effect of Adding Iron Powder From Plasma Cutting on the Microstructure, Mechanical Properties of the Composite Based on Aluminum Powder Matrix Made Using Powder Metallurgy
    Autorzy:
    Wędrychowicz, M.
    Bydałek, A. W.
    Migas, P.
    Skrzekut, T.
    Noga, P.
    Madej, P.
    Kałasznikow, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2049543.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Al-Fe composite
    iron powder
    plasma cutting
    aluminum matrix composites
    powder metallurgy
    mechanical properties
    Opis:
    The paper presents the results of research on the effect of added iron powder from plasma cutting on the mechanical properties and structure of a composite rod based on aluminum powder. The iron powder came from plasma cutting of steel elements and was handed over by the enterprise “AK Anatol” from Żary. One of the ways to dispose of it is to use it as a filler in aluminum composite rods. Research shows that Fe can be distributed in aluminum evenly, and increase in mechanical properties is achieved at the expense of only a slight increase in density. The proposed system does not reduce the amount of waste produced by plasma cutting but finds a use for some of it. The sintering point of the powder required a strongly reducing atmosphere (Po2 < 10-50 atm) which seems virtually unachievable under laboratory conditions. The reinforcing mechanism is related to the fragmentation of the matrix aggregate particles and the uniform distribution of Fe particles in the aluminum matrix.
    Źródło:
    Archives of Metallurgy and Materials; 2021, 66, 1; 273-279
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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