垂直振动激励下不同状态物料的宏观混合效果
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西安近代化学研究所,西安近代化学研究所,西安近代化学研究所,西安近代化学研究所,西安近代化学研究所

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TJ55

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基础产品创新计划火炸药专项, 北化集团青年基金(QKCZ-204-01、QKCZ-jp-2015-07)


The Macro-Mixing Effect of Material with Different State under Vertical Vibration
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    摘要:

    为了解振动混合应用于不同状态被混物料时,物料状态对宏观混合效果的影响,采用垂直振动混合方式对液-液体系、固体填料粘合剂体系和颗粒体系进行混合研究,观测和记录混合发展过程进。在频率为60 Hz、振幅为2 mm的工况下对甘油水溶液、高粘态火炸药模拟物、铝粉颗粒进行振动混合研究。结果表明,不同状态物料振动混合强度影响因素不同;对于液-液混合体系,液体粘度是影响其混合强度的主要因素,粘度越小混合越剧烈;对于颗粒体系,流散性是影响其混合强度的主要因素,流散性越好混合越剧烈;对于固体填料粘合剂体系,液相组分的粘度和固相组分的流散性共同影响混合强度,固体填料粘合剂体系的混合是基于物料的缠结和撕裂来实现的。

    Abstract:

    []in order to understand the macro-mixing effect affected by the states of materials mixed in vertical vibration mixing process, the vibration mixing of liquid-liquid system, binder system with solid filler, and granular system were studied, and the mixing process were observed and recorded. The glycerin solution, highly viscous simulant explosive and aluminum particle were vibrated at frequency of 60 Hz and amplitude of 2 mm. The results show that for the liquid-liquid system, the main influence factor of the mixing intensity was the viscosity, and the mixing intensity increased with the decrease of the viscosity; for the granular system, the main influence factor of the mixing intensity was the fluxion property, and the mixing intensity increased with the decrease of the fluxion property; for binder system with solid filler, the fluxion property of solid phase and the viscosity of binder phase common as the main influence factors of the mixing intensity, and binder system with solid filler was mixed by entanglement and tear of material with different states.

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马宁,李萌,陈松,等. 垂直振动激励下不同状态物料的宏观混合效果[J]. 科学技术与工程, 2016, 16(5): .
MA Ning, LI Meng, CHEN Song, et al. The Macro-Mixing Effect of Material with Different State under Vertical Vibration[J]. Science Technology and Engineering,2016,16(5).

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  • 收稿日期:2015-10-21
  • 最后修改日期:2015-10-21
  • 录用日期:2015-11-23
  • 在线发布日期: 2016-02-22
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