糙米水分微波检测的影响因素分析及模型构建
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摘要
为快速、无损及连续测量糙米水分,该文设计一种微波水分检测装置。分析了环境因素、糙米物性等对水分检测精度的影响。试验结果表明:环境温湿度、糙米密度对检测精度影响较小;随着温度升高,糙米的水分活度增加,对微波的吸收能力也随之增加;样品池的最优检测厚度为50 mm;建立以糙米温度和微波电压为自变量,糙米水分为因变量的水分预测模型。该文可为稻米加工调湿润糙的自动化处理提供技术参考。
In order to measure moisture content of brown rice quickly,nondestructively and continuously,a microwave moisture detection device was designed. Effects of environmental factors and physical properties of brown rice on the accuracy of moisture detection were analyzed. Experimental results showed that ambient temperature,humidity and brown rice density had little influence on detection accuracy,with the increase of temperature,water activity of brown rice increased,and the microwave absorption ability increased,optimal detection thickness of sample pool was 50 mm,a moisture prediction model was established with brown rice temperature and microwave voltage as independent variables and brown rice moisture as dependent variables. It provided a technical reference for automatic treatment of rice wetting and roughening.
In order to measure moisture content of brown rice quickly,nondestructively and continuously,a microwave moisture detection device was designed. Effects of environmental factors and physical properties of brown rice on the accuracy of moisture detection were analyzed. Experimental results showed that ambient temperature,humidity and brown rice density had little influence on detection accuracy,with the increase of temperature,water activity of brown rice increased,and the microwave absorption ability increased,optimal detection thickness of sample pool was 50 mm,a moisture prediction model was established with brown rice temperature and microwave voltage as independent variables and brown rice moisture as dependent variables. It provided a technical reference for automatic treatment of rice wetting and roughening.
引文
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[7]胥保文,蔡健荣,孙力,等.粮食水分检测装置设计[J].食品与机械,2017,33(9):81-83.XU Baowen,CAI Jianrong,SUN Li,et al. Design of grain moisture detection device[J]. Food&Machinery,2017,33(9):81-83.
[8] AICHHOLZER A,ARTHABER H,SCHUBERTH C,et al. Nondestructive evaluation of grain angle,moisture content and density of spruce with microwaves[J]. European Journal of Wood and Wood Products,2013,71(6):779-786.
[2]贾富国,邓华玲,郑先哲,等.糙米加湿调质对其碾米性能影响的试验研究[J].农业工程学报,2006,22(5):180-183.JIA Fuguo, DENG Hualing, ZHENG Xianzhe, et al. Effect of moisture conditioning treatment on milling characteristic of brown rice[J]. Transactions of the Chinese Society of Agricultural Engineering,2006,22(5):180-183.
[3]陈培啸,卞科,刘孝沾.微波测定小麦水分的研究[J].粮食与饲料工业,2012,12(4):60-62.CHEN Peixiao, BIAN Ke, LIU Xiaozhan. Using microwave for wheat moisture content determination[J]. Cereal&Feed Industry,2012,12(4):60-62.
[4]蒋玉英,张元,葛宏义.微波检测粮仓储粮水分技术的研究[J].计算机工程与应用,2010,46(29):239-241.JIANG Yuying,ZHANG Yuan,GE Hongyi. Study on microwave measurement for grain moisture content in grain depot[J]. Computer Engineering and Applications,2010,46(29):239-241.
[5]周显青,赵希雷,张玉荣,等.谷物水分检测技术现状与展望[J],粮食加工,2015,40(4):29-34.ZHOU Xianqing, ZHAO Xilei, ZHANG Yurong, et al. Present situation and expectation on moisture inspection technique of cereal[J],Grain Processing,2015,40(4):29-34.
[6]顾颢,张世庆,蔡健荣,等.基于微波的大米水分快速检测研究[J].食品科技,2015,4(6):318-321.GU Hao,ZHANG Shiqing,CAI Jianrong,et al. Rapid measurement for rice moisture based on microwave[J]. Food Science and Technology,2015,4(6):318-321.
[7]胥保文,蔡健荣,孙力,等.粮食水分检测装置设计[J].食品与机械,2017,33(9):81-83.XU Baowen,CAI Jianrong,SUN Li,et al. Design of grain moisture detection device[J]. Food&Machinery,2017,33(9):81-83.
[8] AICHHOLZER A,ARTHABER H,SCHUBERTH C,et al. Nondestructive evaluation of grain angle,moisture content and density of spruce with microwaves[J]. European Journal of Wood and Wood Products,2013,71(6):779-786.