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1
Content available Concept of a technological system for manufacturing the composite products based on impregnated wood waste
Baron Rafał, Friebe Paweł, Kowol Daniel, Matusiak Piotr
Mining Machines
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2023
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vol. 41, iss. 4
248--260
EN
The article presents the results of the research work, which included aqualitative and quantitative analysis of the selected wooden wastesintended for manufacturing thecomposite materials. Additionally, theexisting solutions related to the processing of wooden waste from power poles and railway sleepers were analysed. In the context of theanalysis, the focus was on the methods for removing carcinogenic substances used for preserving thetelecommunications poles, power poles and railway sleepers, with the aim of obtaining thesafe end product. On this basis, the concept of a technological system for recycling the mentioned wasteshas beendeveloped. The recycling process involves reprocessing them and using as components of thecomposite materials.
2
Content available remote The concentration of rare earth elements in the Polish power plant wastes
Baron Rafał Karol, Matusiak Piotr, Kowol Daniel, Talarek Marcin
Archives of Mining Sciences
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2022
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Vol. 67, no. 1
25--36
EN
The article presents the results of laboratory tests determining the concentration of rare earth elements (REE) in coal-burning wastes to assess their economic usefulness. The content of valuable elements was determined by the technique of inductively coupled plasma mass spectrometry (ICP-MS) in the material collected from three regions of southern Poland. A mixture of waste (including fly ash, furnace slag) from heat and power plants using coal for thermal transformation processes was an object for testing. Part of the research project was to identify a share of the rare elements in the collected samples with a selected grain class of <0.045 mm.
3
Content available Use of state-of-the-art jigs of KOMAG type for a beneficiation of coking coal
Matusiak Piotr, Kowol Daniel
Mining Machines
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2020
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no. 1
46--55
EN
The present beneficiation technology, used in the Mechanical Coal Preparation Plant at the Budryk Mine is assessed in the article. A description and a schematic diagram of the beneficiation node before its modernization are inserted. The industrial test results of pulsatory, medium-size-grain jigs are presented. The modernization scope of the jig node with use of new pulsatory jigs of KOMAG type is described and a new technological scheme is discussed. The effects of implementing new beneficiation systems in the modernized plant are given.
PL
W artykule oceniono dotychczasową technologię wzbogacania stosowaną w zakładzie przeróbki mechanicznej węgla w KWK „Budryk”. Zamieszczono opis i schemat osadzarkowego węzła wzbogacania przed jego modernizacją. Przedstawiono wyniki przemysłowych badań osadzarek pulsacyjnych średnioziarnowych. Omówiono zakres modernizacji węzła osadzarkowego z zastosowaniem nowych osadzarek pulsacyjnych typu KOMAG, przedstawiono nowy schemat technologiczny. Omówiono efekty wdrożenia nowych systemów wzbogacania w zmodernizowanym zakładzie. (Zastosowanie nowoczesnych osadzarek typu KOMAG do wzbogacania węgla koksowego)
4
Content available New implementations of KOMAG jigs for coking and steam coal in collaboration with carbo-eco and fugor companies
Matusiak Piotr, Gondek Horst
Management Systems in Production Engineering
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2020
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nr 4 (28)
259--267
EN
The basic process of minerals’ mechanical preparation, including coal, is a beneficiation process which has a decisive impact on quantitative-and-qualitative parameters of commercial products. At present the products of the MBE-CMT, Allmineral and Tenova companies have big market shares as regards foreign water pulsatory jigs, as well as ITG KOMAG on the local Polish market. New implementations of jigs, developed at the KOMAG Institute of Mining Technology, for beneficiation of coking coal and steam coal in collaboration with Carbo-Eco Ltd. and Fugor Ltd. companies, were realized in 2019. Technical and technological parameters of new devices are described in the article. Supply systems of feed are presented as well as the method of collecting tailings and middlings. New design solutions, applied in modernized preparation plants, aimed at an improvement of jigs production capacity and efficiency are presented. In the case of each jig, after its activation and conducted adjusting processes, exact tests of a beneficiation efficiency were performed and their results are presented in the tabular form. Basic beneficiation accuracy indicators and parameters of products’ separation as well as balances of products are given. The test results, obtained from newly activated jigs, are discussed.
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