粮油食品科技

中国科技核心期刊

小麦高大平房仓磷化氢横向环流熏蒸技术研究
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Study on phosphine transverse circumfluent fumigation in wheat warehouse
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    摘要:

    研究了60 m×21 m平房仓磷化氢横向环流熏蒸系统设计方案和横向环流熏蒸技术在小麦储藏中的应用工艺。密闭小麦粮堆内部磷化氢浓度检测结果表明,在磷化氢横向环流时粮堆内各竖直截面和水平层面磷化氢浓度分布均匀,变化趋势一致,没有熏蒸死角。与传统整仓熏蒸相比,采用横向环流熏蒸技术熏蒸时,磷化氢浓度均匀,熏蒸时间短,能够快速达到杀虫浓度;且覆膜密闭,能延长磷化氢浓度的保持时间,有效降低磷化氢用药量。

    Abstract:

    The phosphine transverse circumfluent fumigation system for wheat warehouse (60 m×21 m) was designed and the application of the technology in wheat storage was studied. The concentration of phosphine in the grain bulk and the ventilation ducts was detected during the fumigation. The results showed that the concentration of phosphine in the vertical and horizontal cross sections of the grain bulk distributed evenly. Compared with the traditional fumigation in whole warehouse, the concentration of phosphine distributed evenly, and needed less time to reach to the insecticidal concentration by transverse ventilation. The concentration of phosphine could maintain longer in the film sealed grain bulk, which decreased phosphine dosage efficiently.

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杨旭,赵会义,张文龙,杜东兴,张宏宇,石天玉,季振江,曹阳.小麦高大平房仓磷化氢横向环流熏蒸技术研究[J].粮油食品科技,2015,23(S1):70-74.

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  • 在线发布日期: 2015-12-13
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