| 生物质压缩成型工艺参数 |
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| 引用本文： | 陈正宇,陆辛,徐德民.生物质压缩成型工艺参数[J].塑性工程学报,2012,19(3):98-104. |
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| 作者姓名： | 陈正宇 陆辛 徐德民 |
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| 作者单位： | 1. 机械科学研究总院先进制造技术研究中心,北京,100083
2. 北京菲美得机械有限公司,北京,100068 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 以玉米秸秆、锯末、棉杆为原料,进行改进后热压缩成型工艺试验,通过松弛密度这一指标得到最佳工艺参数范围;并利用OLYMPUS BX51-金相显微镜观察玉米秸秆成型后颗粒的微观形貌,从微观角度研究成型工艺参数与成型块微观结构之间的关系。试验结果表明,最佳参数范围是,粒度0～2mm、含水率15%～23%、温度130℃～150℃、长径比5.28;以玉米秸秆为例,微观形貌分析得出的最佳工艺参数范围与试验得出的基本一致。
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| 关 键 词： | 生物质 热压成型 微观形貌 松弛密度 |
Technology parameters study of biomass compression molding |
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| CHEN Zheng-yu
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LU Xin
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XU De-min.Technology parameters study of biomass compression molding[J].Journal of Plasticity Engineering,2012,19(3):98-104. |
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| Authors: | CHEN Zheng-yu LU Xin XU De-min |
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| Affiliation: | CHEN Zheng-yu LU Xin(Advanced Manufacture Technology Center China Academy of Machinery Science & Technology,Beijing 100083 China) XU De-min(Beijing Famed Mechinary Co.,Ltd,Beijing 100068 China) |
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| Abstract: | Corn straw,powder sawdust and cotton straw were referred as feedstock.The improved heat forming experimental study on the pelleting technology of the biomass materials was carried out and the best molding processing parameters scope was got by measuring relaxed density.The microcosmic structure of corn straw pellet was observed through OLYMPUS BX51-metallographic microscope and the relationship between molding process parameters and forming microcosmic structure of corn straw pellet was studied from the microscopic view.The results show that the best molding processing parameters scope is as follows:particle size 0~2mm;moisture content 15%~23%;temperature 130℃~150℃ and aspect ratio 5.28,which is basically in accordance with microcosmic structure analysis. |
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| Keywords: | biomass hot-forming microcosmic structure relaxed density |
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