高大平房仓气密性改造与熏蒸杀虫效果试验

Air Tightness Modification and Fumigation Efficacy Test of Large Warehouse

为了改善仓房气密性,提高磷化氢熏蒸杀虫效果,本试验通过对仓房夹角、内墙墙体、地坪、地槽、工艺孔洞、密闭槽管、门洞等部位进行改造,改善高大平房仓仓房气密性,并通过同等施药剂量的磷化氢浓度进行熏蒸,检验熏蒸效果。结果表明,经改造后,试验仓房气密性显著提高,磷化氢熏蒸处理耐药性储粮害虫锈赤扁谷盗彻底,熏蒸杀虫效果良好。因此,改造仓房气密性是确保磷化氢熏蒸杀虫、粮食储藏安全的重要因素。

In order to improve the air tightness of the warehouse and the insecticidal effect of phosphine fumigation,the experiment was carried out through the angle of the warehouse,the inner wall,the floor,the groove,the process hole,etc.The airtightness of large warehouse was improved by reforming the airtight slot pipes and doorways,and fumigation was carried out with the same dosage of phosphine.Fumigation effect.The results showed that the air tightness of the test warehouse was significantly improved after modification.Phosphine fumigation was used to treat the resistant stored grain pest Rust Red Flat Valley Pirate thoroughly and fumigated.The efficacy of steam insecticide is good.Therefore,improving the air tightness of storehouses is an important factor to ensure the safety of phosphine fumigation and insecticide and grain storage.