Reliability evaluation of belt conveyor line at different redundancies of carrying rollers

Dmitrieva, V.V.; Sizin, P. E.

doi:10.25018/0236_1493_2021_7_0_85

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2023

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“…When the pyrolysis temperature is reached, which is different per coal grades, smoldering begins owing to the lack of oxygen in the combustion zone. In case of the continued heating of the roller surface that interacts with coal dust, flaming initiates and seizes all close-spaced elements in a longwall equipped with a belt conveyor [33,34].…”

Section: Discussionmentioning

confidence: 99%

Modeling heating of faulty roller of belt conveyor in the presence of coal dust

Malashkina¹,

Shaportov²

2023

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Belt conveyor is a common means of transport in underground mines. At the same time, longwalls equipped with belt conveyors face high fire risk. One of the fire causes on belt conveyors is the seizure of rollers and their friction on the loaded belt in the long flight regions. The modern detectors of fire on belt conveyors fail to ensure ultra early sensing of inflammation. This article describes modeling of heating of a faulty roller in friction with a moving conveyor belt with a layer of coal dust. The modeling has found the rate of heating of the belt conveyor roller up to the temperature of the ultra early fire development with inflammation of coal dust particles, and the degree of effect of the coal dust layer on the fire onset speed. The graphic chart is plotted for the heat balance of a belt conveyor roller in friction-induced heating.

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Section: Discussionmentioning

confidence: 99%

Modeling heating of faulty roller of belt conveyor in the presence of coal dust

Malashkina¹,

Shaportov²

2023

View full text Add to dashboard Cite

show abstract

Reliability evaluation of belt conveyor line at different redundancies of carrying rollers

Cited by 1 publication

References 0 publications

Modeling heating of faulty roller of belt conveyor in the presence of coal dust

Modeling heating of faulty roller of belt conveyor in the presence of coal dust

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