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Vol 169
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Research article
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Model of technology of limestone roasting in a shaft kiln

I. N. Beloglazov1
V. O. Golubev2
O. V. Ziyazitdinova3
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining Institute
  • 2 — Санкт-Петербургский государственный горный институт (технический университет)
  • 3 — Санкт-Петербургский государственный горный институт (технический университет)
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The mathematical description of the technology of firing of lump limestone raw materials in a shaft kiln equipped with burner devices providing preliminary gas combustion is given. The model takes into account the peculiarities of the process of dissociation of carbonate component of raw materials, uses equations describing the kinetics of the drying process, conditions of counter-flow of gases and material, regularities of distribution of material and gas flows along the cross-section and height of the shaft. The developed model represents a stationary two-dimensional solution of the problem.

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  1. Гордон Я.М. Механика движения материалов и газов в шахтных печах / Я.М.Гордон, Е.В.Максимов, В.С.Швыдкий. Алма-Ата: Наука, 1989.
  2. Малахов Г.М. Выпуск руды из обрушенных блоков. М.: Металлургия, 1952.
  3. Тепло- и массообмен в плотном слое / Б.И.Китаев, В.Н.Тимофеев, Б.А.Боковиков и др. М.: Металлургия, 1972.

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