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The issue of selection: shape and volume of briquettes agglomerated in a roller press

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EN
Abstrakty
EN
A volume and a shape of the briquettes agglomerated in a roller press depend largely on the material properties, the design features of a roller press, and it is a complicated issue. Correctly, selected geometric parameters of the briquettes determine the proper strength of the consolidated product. The paper presents the laboratory and simulation experiments conducted to obtain knowledge about volume and shape of the roller press briquettes. The main elements of the roller press compacting unit are the forming rollers. They are located horizontally in some roller presses of low efficiency they can be placed vertically. The shape of working surface, the volume of the melding cavities and the characteristics of the briquetted material have an important role in terms of the effects of the briquetting process especially the cost of operating of the roller press. The paper presents the description of the basic shapes of forming surfaces used in the roller presses and it systematises the knowledge of the shape and volume of briquettes produced in the roller presses on the basis of own laboratory and simulation researches. The information contained in the article can be very useful for designers of roller presses and their users. Further work should be continued to verify the results of tests on other materials and laboratory conditions.
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  • AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Mickiewicza Av. 30, 30-059 Krakow, Poland tel.: +48 12 6173119, fax: +48 12 6173133
Bibliografia
  • [1] Dec, R., Zavaliangos, A., Cunningham, J., Comparison of various modeling methods for analysis of powder compaction in roller press, Powder Technology, Vol. 130, pp. 265-271, 2003.
  • [2] Dec, R., Zavaliangos, A., Cunningham, J., Recent developments in FEM modeling of powder processing in the roller press, Proceedings of Biennial Conference – Institute of Briquetting and Agglomeration, Vol.29, pp. 83-92. Clearwater Beach 2005.
  • [3] Drzymała, Z., Industrial Briquetting – Fundamentals and Methods, Elsevier Science Publishers, Warszawa 1993.
  • [4] Gara, P., Research on the fine-grained waste dry granulation process, Przemysł Chemiczny, Vol. 94, No. 9, pp. 1509-1511, 2015.
  • [5] Guigon, P., Simon, O., Roll press design-influence of force feed systems on compaction, Powder Technology, Vol. 130, pp. 41-48, 2003.
  • [6] Hryniewicz, M., Bembenek, M., Gara, P., Possibilities of quicklime and hydrated lime briquetting, Inżynieria i Aparatura Chemiczna, Y. 45, Vol. 4, pp. 66-67, 2006.
  • [7] Hryniewicz, M., Bembenek, M., Gara, P., Problem of roll press compacting unit selection to consolidate material in two-stage granulation process, Chemik: nauka – technika – rynek, Y. 61, Vol. 9, pp. 425-428, 2008.
  • [8] Hryniewicz, M., Janewicz, A., Kosturkiewicz, B., Briquetting of sludge in roll press, Monografie Wydziału Inżynierii Mechanicznej i Robotyki AGH, Vol. 23, pp. 87-93, 2004.
  • [9] Hryniewicz, M., Janewicz, A., Research on possibilities of waste glass wool agglomeration in order to prepare it for utilization, Odzysk odpadów – technologie i możliwości, Publisher IGSMiE PAN, pp. 201-208, Krakow 2005.
  • [10] Hryniewicz, M., Kosturkiewicz, B., Janewicz, A., Selected problems of development of construction and exploitation of roll presses, Problemy Eksploatacji, Vol. 4, pp. 63-70, 2004.
  • [11] Hryniewicz, M., Research on improvement of copper concentrate briquetting technology in roll presses, Proceedings of Problems in the Construction and Operation of Metallurgical and Ceramic Machinery, pp. 189-195, Krakow 2000.
  • [12] Hryniewicz, M., Method of selection of roller presses and assumptions for their modernization or construction, Rozprawy monografie, Vol. 58, AGH Publisher, Krakow 1997.
  • [13] Hryniewicz, M., Problem of nio angle of in modeling the process of briquetting fine-grained materials in roller presses, Mechanics AGH, Vol. 9, z. 3, pp. 83-89, Krakow 1999.
  • [14] Janewicz, A., Kosturkiewicz, B., Compacting of mixed chemical fertilizers, Monografie Wydziału Inżynierii Mechanicznej i Robotyki AGH, Vol. 32, pp. 261-267, Krakow 2006.
  • [15] Janewicz, A., Quality of briquettes and demand for energy in briquetting of waste calcium fluoride, Monografie Wydziału Inżynierii Mechanicznej i Robotyki AGH, Vol. 32, pp. 231-239, Krakow 2006.
  • [16] Kosturkiewicz, B., Janewicz, A., Problem in selection of configuration of compaction arrangemant for roll presses, Zeszyty Naukowe Politechniki Białostockiej. Budowa i Eksploatacja Maszyn, Vol. 9, pp. 243-252, Białystok 2002.
  • [17] Kosturkiewicz, B., Janewicz, A., Briquetting of sewage sludge with burnt lime and coal in a roll press, Przemysł Chemiczny, Vol. 94, Nr 9, pp. 1524-1526, 2015.
  • [18] Kosturkiewicz, B., Issue of the sewage sludge usage as fuel substitute in installations with grate furnaces, Inżynieria i Aparatura Chemiczna, Y. 45, Vol. 4, pp. 90-91, 2006.
  • [19] Pietsch, W., Size Enlargement by Agglomeration, John Wiley & Sons Inc., New York 1991.
  • [20] Zavaliangos, A., Dec, R., Powder processing in the roller press – theory and practice. Powder Handling & Processing, Vol. 1, pp. 23-28, 2007.
Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-db40c184-7a11-4a56-8cae-1080d96ff4c7
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