Optimization study on air cooler arrangement and cooling parameters of coal mining working face

To solve the problem of unsatisfactory cooling effect of local cooling systems in coal mining faces, this paper constructs a simulation model of the working face, combines theoretical analysis and numerical analysis, and studies the influence law of four factors on the cooling effect in the cooling...

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Bibliographic Details
Published in:Energy (Oxford) 2024-03, Vol.291, p.130175, Article 130175
Main Authors: Miao, Dejun, Zhang, Yiran, Sui, Xiuhua
Format: Article
Language:English
Subjects:
Characterization of air cooler cooling parameters
Heat damage management
Localized cooling system
Numerical simulation
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Summary:To solve the problem of unsatisfactory cooling effect of local cooling systems in coal mining faces, this paper constructs a simulation model of the working face, combines theoretical analysis and numerical analysis, and studies the influence law of four factors on the cooling effect in the cooling system (the combination of the air cooler Ca, the air distance of the wind cylinder Da, the length of the wind cylinder Ld and the air temperature of the air cooler T0). The results show that when Da = 25 m, Ld = 100 m, T0 = 19 °C C2 air cooler combination method, the average air temperature of the inlet roadway is reduced by 5.1 °C, the average air temperature of the working face is reduced by 3.8 °C, the average temperature of the return roadway is reduced by 2.4 °C, and 97 % of the area of the coal mining face is 
ISSN:0360-5442
DOI:10.1016/j.energy.2023.130175