Improving the quality of hard coal products using the state-of-the-art KOMAG solutions in a pulsating jig nod

Kowol, D.; Matusiak, Piotr

doi:10.1088/1757-899x/641/1/012004

Cited by 4 publications

(3 citation statements)

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“…However, attempts have been made to automate the conveyor operation control process by using the echo sounder signal located above the moving buckets [8,15]. However, the disadvantage of this solution is that in the event of a rapid increase in the amount of bottom material directed to the conveyor, the conveyor may become blocked due to overfilling [16]. As the conveyors operate in a water environment up to half of their height, the echo sounder is mounted at a considerable distance from the loading zone [17,18].…”

Section: Introductionmentioning

confidence: 99%

Study of Energy Consumption of a Bucket Conveyor in a Jig Concentrator Plant in a Hard Coal Mine

et al. 2021

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The subject of the discussion is oriented toward limiting the energy consumption of the bucket conveyor used in jig concentrator plants by controlling its speed. A method of predictive control of the bucket conveyor speed is presented. It allows for reducing the energy consumption due to appropriate selection of bucket movement speed to ensure the nominal filling of buckets along the entire length of the conveyor. This approach enables limiting the idling speed of the conveyor, extend its life, and also reduce the electricity consumption of the entire system. Experimental studies, carried out at the “Sośnica” Coal Mine working facility, confirmed that the use of a predictive algorithm for controlling the bucket conveyor speed and adapting the bucket speed to the current load decreased in energy consumption n by 9.6%, with 80% of the filling conveyor.

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Section: Introductionmentioning

confidence: 99%

Study of Energy Consumption of a Bucket Conveyor in a Jig Concentrator Plant in a Hard Coal Mine

et al. 2021

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“…A beneficiation of hard coal is an integral and extremely important part of a production process of commercial assortments aimed at a quality increase of extracted mineral and at reaching qualitative-and-quantitative parameters of products required by purchasers. An improvement of coal quality is achieved due to conducting a series of technological processes, among others, a beneficiation in pulsatory jigs [1,15]. The solution of selected jigs, designed at the KOMAG Institute of Mining Technology, implemented in 2019 for a beneficiation of hard coal, are presented in the article.…”

Section: Introductionmentioning

confidence: 99%

New Implementations of Komag Jigs for Coking and Steam Coal in Collaboration with Carbo-Eco and Fugor Companies

Matusiak

Gondek

2020

Management Systems in Production Engineering

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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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“…The beneficiation process, depending on the grain size of the material (feed), is carried out in specialized machines and devices, including dense liquid separators (e.g., DISA), pulsating water jigs, and flotation machines. Technological and design solutions of these devices are constantly improved to increase their efficiency [4][5][6][7][8][9][10][11][12][13][14][15].…”

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confidence: 99%

Selective Crushing of Run-of-Mine as an Important Part of the Hard Coal Beneficiation Process

et al. 2021

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To obtain commercial product of required quantitative and qualitative parameters, hard coal must be subjected to a number of processing operations. Preliminary stone removal from run-of-mine is one of them. Methods of such removal, including the method of selective crushing are described. Design solutions for a KOMAG-type device for dry stone removal of run-of-mine are presented. The results of laboratory tests for selective crushing susceptibility of steam coal and coke are presented, and a comparative analysis of the tested types of coal is made. Possibilities of increasing the production of commercial products by using a Bradford drum crusher is analyzed from the economical point of view.

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Improving the quality of hard coal products using the state-of-the-art KOMAG solutions in a pulsating jig nod

Cited by 4 publications

References 0 publications

Study of Energy Consumption of a Bucket Conveyor in a Jig Concentrator Plant in a Hard Coal Mine

Study of Energy Consumption of a Bucket Conveyor in a Jig Concentrator Plant in a Hard Coal Mine

New Implementations of Komag Jigs for Coking and Steam Coal in Collaboration with Carbo-Eco and Fugor Companies

Selective Crushing of Run-of-Mine as an Important Part of the Hard Coal Beneficiation Process

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