Abstract
Analysis of mechanical equipment failure at the hard coal mine processing plant
Highlights
Hard coal is extracted to the surface in the form of various sizes of coal grains and waste rock: stone, sand, slate (Biały, 2013; Biały, 2014; Biały et al, 2018)
It is important to assess the mechanical failure of equipment and show which machines generate the most failures
To maintain high efficiency and reliability, it is necessary to look at the correct operation of machines included in the coal enrichment process
Summary
Hard coal is extracted to the surface in the form of various sizes of coal grains and waste rock: stone, sand, slate (Biały, 2013; Biały, 2014; Biały et al, 2018). The enrichment process should be technologically developed and technically solved in such a way as to obtain in concentrate the maximum amount of valuable, useful mineral grains with the least possible waste losses. Coarse-grained waste from the enrichment unit is collected by means of a chute and fed to PWP1 2.2 × 4.5 screen with 1 mm slotted sieves. The Pareto-Lorenz diagram was used to analyze the failure rate of grain scrubbers during the enrichment process of thick products. In this case, it is important to assess the mechanical failure of equipment and show which machines generate the most failures. This device performs non-contact temperature measurement and has a digital photography function
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