粮油食品科技

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硫酰氟熏蒸在砖圆仓应用效果评价研究(网络首发、推荐阅读)
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Research on the Effectiveness of Sulfuryl Fluoride Fumigation in Brick Silo(Online First, Recommended Article)
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    摘要:

    为探索砖圆仓硫酰氟熏蒸杀虫和防护效果,分别在3个不同气密性仓房,分别采用整仓不环流熏蒸和环流熏蒸,以及采用不同的熏蒸药剂浓度,通过分析比较气体均匀性,浓度保持时间和杀虫防护效果进行评价。试验结果表明,硫酰氟气体可在4 h内自然扩散穿透10 m粮堆,并在24 h内达到整仓气体均匀。环流熏蒸由于环流管道老化造成药剂损失,气体浓度保持时间短。5 g/m3的药剂浓度即可实现较好的快速杀灭4种主要储粮害虫的效果。

    Abstract:

    To investigate the insecticidal and protective effectiveness of sulfuryl fluoride fumigation in brick silos, three warehouses with different air-tightness were used for evaluation by analyzing gas uniformity, concentration retention time and insecticidal effects. Whole warehouse non-circulation fumigation and circulation fumigation were adopted with different fumigation concentrations applied. The experiment results show that sulfuryl fluoride gas can naturally diffuse thoroughly through a 10 m grain pile within 4 hours, and achieve uniform gas in the entire warehouse within 24 hours. However, circulation fumigation caused a large amount of chemical loss and the concentration retention time was comparatively short. Results also prove the concentration of 5 g/m3 can achieve a desired and rapid killing effect of 4 main types of pests in stored grains.

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崔 淼,黄呈兵,方江坤,方智毅,汪中明*.硫酰氟熏蒸在砖圆仓应用效果评价研究(网络首发、推荐阅读)[J].粮油食品科技,2021,29(4):68-72.

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  • 在线发布日期: 2021-07-29
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