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    Wyświetlanie 1-3 z 3
    Tytuł:
    Used Furan Sand Reclamation in REGMAS Vibratory Unit
    Autorzy:
    Dańko, J.
    Dańko, R.
    Skrzyński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/381674.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    used sand
    mechanical reclamation
    environmental protection
    masa zużyta
    regeneracja mechaniczna
    ochrona środowiska
    Opis:
    The paper, especially dealt with problems of reclamation of used furan sand, carried out in new, vibratory sand reclamation unit REGMAS developed by researches from AGH-University of Science and Technology, Faculty of Foundry Engineering in Cracow (Poland). Functional characteristics of reclamation unit as well as the results of reclamation of used sand with furfuryl resin are discussed in the paper. The quality of reclaim was tested by means of the LOI and pH value, dust content in the reclaim and at least by the the quality of the castings produced in moulds prepared with the use of reclaimed matrix.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 3; 25-28
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Primary Used Sand Reclamation Process Efficiency
    Autorzy:
    Skrzyński, M.
    Dańko, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/380765.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    spent foundry sands
    mechanical reclamation
    environmental protection
    zużyta masa formierska
    rekultywacja
    ochrona środowiska
    Opis:
    The results of the efficiency of the primary reclamation process as well as the influence of the used sand temperature and other process parameters on it are presented in this paper. A separate stand realized on a reduced scale was built, which is an analogous process of the primary reclamation treatment of spent foundry sands. The used sands were introduced to the crushing process in an agglomerated form in the way typically used in industrial devices. The primary reclamation process was realized on a set of four horizontal sieves with decreasing mesh clearances while maintaining their geometrical dimensions applied in the Regmas industrial device. The model system consists of a vibratory drive mounted on the table, allowing us to control the supply frequency of the vibratory motors within a range of 40-60 Hz as well as the computer system for measuring the vibration parameters and drive power. The used sand on the quartz matrix with the KALTHARZ U404 resin and 100T3 hardener was used in our investigations. The used sand was prepared under the following conditions: cubic-shaped elements made of the applied furan sand was compacted by vibrations then hardened and subjected to heating under controlled conditions (as a “simulation” of the overheating process taking place in the mold after pouring). Time functions of the crushing and sieving process in dependence of the overheating degree of the reference sand samples (100°, 200°, and 300°C) were investigated at various table vibration frequencies and feed loads of the sieve set. The relative index of the crushing ability was determined.
    Źródło:
    Archives of Foundry Engineering; 2019, 1; 29-34
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilisation of Products of the Thermal Reclamation of Post Reclamation Dusts in the Production Technology of Ceramic Building Materials
    Autorzy:
    Holtzer, M.
    Dańko, R.
    Dańko, J.
    Pytel, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/383368.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    moulding sand
    mechanical reclamation
    post-reclamation dust
    environmental protection
    masa formierska
    regeneracja mechaniczna
    pył poregeneracyjny
    ochrona środowiska
    Opis:
    The problem related to the management of post reclamation dusts generated in the reclamation process of waste moulding sands with organic binders is presented in the hereby paper. Waste materials generated in this process are products hazardous for the environment and should be utilised. The prototype stand for the utilisation of this dangerous material in its co-burning with coal was developed and patented in AGH in Krakow. The stand was installed in one of the domestic casting houses. As the utilisation result the transformed waste product is obtained and its management in the production of ceramic materials constitutes the subject of the presented publication.
    Źródło:
    Archives of Foundry Engineering; 2015, 15, 4; 33-36
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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