| 混流静态房式谷物干燥机试验验证 |
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| 引用本文： | 王延宏,刘爱民,马忠高,刘俊龙.混流静态房式谷物干燥机试验验证[J].农业工程,2020,10(9):77-81. |
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| 作者姓名： | 王延宏 刘爱民 马忠高 刘俊龙 |
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| 作者单位： | 陕西省农业机械鉴定推广总站, 陕西 西安 710000;袁隆平农业高科技股份有限公司, 湖南 长沙 410125;平利县电机制造有限公司, 陕西 平利 725000 |
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| 基金项目： | “十三五”国家重点研发计划项目（项目编号：2018YFD0100900）；长沙市重大科技项目（项目编号：kq1804050） |
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| 摘 要： | 针对当前广泛应用的各类谷物干燥机普遍存在高温快速干燥爆腰率高、低温干燥脱水速率低、循环干燥破损率高、热能利用率低和烘干成本高等问题，介绍了一种混流静态房式谷物干燥机，其采用“保温控湿、热风循环利用、混流通风、薄层大风量静态持续干燥”的谷物机械干燥新方法，可解决谷物干燥爆腰率高、损伤率高和脱水效率低等系列问题，实现热风循环利用，提高烘干热效率。2017—2019年，在同等干燥条件下应用该机与其他类型烘干机、人工晾晒等谷物干燥方式开展了多批次干燥稻谷及杂交水稻种子的对比试验及性能验证工作。结果表明，该机在烘干效果、效率及烘干成本等各方面明显优于其他类型烘干机，在水稻种子干燥方面也有突出表现。经第三方检验检测机构检测，该型干燥机干燥谷物的籽粒脱水速率1.3%/h，爆腰率≤0.01%，籽粒破损率≤0.02%；干燥水稻种子的脱水速率0.9%/h，干燥种子的发芽率和破损率与自然晾晒级相当。
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| 关 键 词： | 谷物干燥机 混流通风 保温 控湿 |
| 收稿时间： | 2020/7/16 0:00:00 |
| 修稿时间： | 2020/7/16 0:00:00 |
Experimental Verification of Mixed Flow Static Room Type Grain Dryer |
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| WANG Yanhong,LIU Aimin,MA Zhonggao,LIU Junlong.Experimental Verification of Mixed Flow Static Room Type Grain Dryer[J].Agricultural Engineering,2020,10(9):77-81. |
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| Authors: | WANG Yanhong LIU Aimin MA Zhonggao LIU Junlong |
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| Abstract: | In view of common problems of various kinds of grain dryers which were widely used at present，such as high burst rate of high-temperature fast drying，low dehydration rate of low-temperature drying，high breakage rate of circulating drying，low utilization rate of heat energy，a kind of mixed flow static room type grain dryer was introduced，which adopted a kind of heat preservation and humidity control，hot air recycling，mixed flow ventilation，thin-layer strong wind and static volume.New mechanical drying method of continuous drying in state solved a series of problems such as high bursting rate，high damage rate and low dehydration efficiency of grain drying，realized recycling of hot air and improved drying thermal efficiency.From 2017 to 2019，under same drying conditions，machine should be compared with other types of dryers and grain drying methods such as manual drying to carry out comparative test and performance verification of multiple batches of dry rice and hybrid rice seeds.Results showed that dryer was superior to other dryers in drying effect，efficiency and drying cost，and also had outstanding performance in rice seed drying.According to test of the third-party inspection and detection organization，dehydration rate of dried grain was 1.3%/h，burst waist rate ≤0.01%，damaged rate ≤ 0.02%；dehydration rate of dried rice seed was 0.9%/h，germination rate and damaged rate of dried seed were equivalent to the natural air drying grade. |
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