立筒库PH_3和CO_2混合熏蒸及微气流熏蒸试验  

TEST OF PH_3 AND CO_2 MIXED FUMIGATION AND MICRO-AIR FLOW FUMIATION IN SILO

作　　者：程显栋[1] 

机构地区：[1]甘肃定西国家粮食储备库,743000

出　　处：《粮食储藏》2001年第5期23-25,共3页Grain Storage

摘　　要：PH3和CO2 混合熏蒸及微气流熏蒸试验在砖结构的立筒仓中进行。试验表明 ,微气流熏蒸时PH3保持有效浓度的时间远远长于混合熏蒸。混合熏蒸PH3易渗漏的原因之一是仓内气体压力较高。The test of PH 3 and CO 2 mixed fumigation and micro-airflow fumigation in brick silo were carried out.The results showed that with micro-airflow fumigation,the maintenance time of PH 3 effective concentration was far longer than that of mixed fumigation.PH 3 easy to leak during mixed fumigation was due to high pressure in silo.PH 3 and CO 2 permeability in mixed fumigation and choosing appropriate fumigation method for silo were also discussed.

关 键 词：砖立筒仓 微气流 混合熏蒸 气密性 磷化氢 二氧化碳 粮仓 防虫 

分 类 号：S379.5[农业科学—农产品加工]