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Multi-factor influence analysis on ability of cleaning mechanism for frozen and sticky coal under train car for safe operation
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Xu XU, Pengfei MA, Xuejian LIN, Qianshan LIU
China Safety Science Journal | 2024, 34(S1) : 95 - 101
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China Safety Science Journal | 2024, 34(S1): 95-101
• Safety engineering technology •
Multi-factor influence analysis on ability of cleaning mechanism for frozen and sticky coal under train car for safe operation
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Xu XU, Pengfei MA, Xuejian LIN, Qianshan LIU
Affiliations
  • Open Pit Coal Mine，Guoneng Baolixile Energy Co.，Ltd.，Hulun Buir Inner Mongolia 021008，China
Published: 2024-06-30 doi: 10.16265/j.cnki.issn1003-3033.2024.S1.0040
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In order to increase transportation efficiency，improve the safety of workers，and enhance cleaning efficiency，the discrete element modeling-multi-body dynamic simulation (EDEM-RecurDyn) method was proposed to analyze the cleaning ability of the cleaning mechanism. Firstly，EDEM-RecurDyn was used to analyze the stress changes of the hob，and the three factors that affected the stress of the hob were obtained: the rotating speed of the drum，the dragging speed，and the depth of cleaning. The reference range was determined. Then，the response surface was used to carry out the three-factor three-level test，and the cleaning energy consumption ratio was obtained by analyzing rolling. The quadratic fitting polynomial was carried out. Finally，based on Matlab，a particle swarm optimization algorithm was used to solve the parameters. The results show that when the drum speed of the cleaning mechanism is 78 r/min，the traction speed is 0.05 m/s; when the cleaning depth is 100 mm，the cleaning mechanism is subjected to the least resistance and the lowest energy consumption.

frozen and sticky coal  /  cleaning depth  /  traction speed  /  tangential force  /  co-simulation
Xu XU, Pengfei MA, Xuejian LIN, Qianshan LIU. Multi-factor influence analysis on ability of cleaning mechanism for frozen and sticky coal under train car for safe operation[J]. China Safety Science Journal, 2024 , 34 (S1) : 95 -101 . DOI: 10.16265/j.cnki.issn1003-3033.2024.S1.0040
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Year 2024 volume 34 Issue S1
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2024.S1.0040
  • Receive Date：2024-03-14
  • Online Date：2025-07-09
  • Published：2024-06-30
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  • Received：2024-03-14
  • Revised：2024-05-17
Affiliations
    Open Pit Coal Mine，Guoneng Baolixile Energy Co.，Ltd.，Hulun Buir Inner Mongolia 021008，China
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https://castjournals.cast.org.cn/joweb/zgaqkxxb/EN/10.16265/j.cnki.issn1003-3033.2024.S1.0040
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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