做好糧食安全儲藏的幾點要點
我國農戶家庭儲糧數量巨大,傳統的糧食儲藏是常溫倉房式儲藏,包括入庫堆放、糧食晾曬、自然通風和密閉、自然低溫等。由於條件簡陋,糧食容易受潮、陳化變質、黴變、受蟲害侵蝕和鼠害等,損失很大。此外,由於在儲藏中需使用磷化鋁等熏蒸劑進行熏蒸殺蟲,其產生的磷化氫氣體對人、畜有劇毒副作用。不僅使糧食品質大大下降,而且容易產生殘留汙染。據國家糧食局統計,2007年末我國農戶存糧2458億kg,約占當前糧食總產量的50%。從我局典型調查情況看:
我國農戶儲糧鼠、蟲、黴害問題多,損失大,平均損失為5%~8%左右,據此測算,全國每年農戶儲糧造成的糧食數量損失約125億~195億kg,折合經濟損失300yiyuanzuoyou。yinci,xuanchuanpujinongcunanquanchuliangjishu,zhidaononghukexuechuliang,gaijinnongcunchuliangzhuangju,tuiguangkexuechuliangjishu,youliyujianshaonongcunliangshichanhousunshi。
水shui分fen是shi影ying響xiang糧liang食shi儲chu藏zang安an全quan的de關guan鍵jian因yin子zi。傳chuan統tong的de儲chu藏zang技ji術shu是shi先xian將jiang糧liang食shi的de含han水shui量liang降jiang至zhi在zai安an全quan水shui分fen以yi下xia再zai入ru庫ku儲chu藏zang,費fei工gong費fei時shi。采cai用yong就jiu倉cang幹gan燥zao技ji術shu,可ke以yi將jiang高gao水shui分fen的de糧liang食shi直zhi接jie入ru倉cang,利li用yong自zi然ran或huo加jia熱re的de空kong氣qi作zuo為wei幹gan燥zao介jie質zhi,對dui具ju有you一yi定ding堆dui高gao的de高gao水shui分fen的de糧liang食shi幹gan燥zao,幹gan燥zao後hou同tong時shi就jiu放fang在zai倉cang內nei儲chu藏zang。代dai彥yan軍jun等deng提ti出chu一yi套tao由you太tai陽yang能neng輔fu助zhu熱re泵beng幹gan燥zao裝zhuang置zhi、通風地上籠送風係統以及糧食翻滾攪拌機械組成的就倉幹燥工藝,可實現糧食就倉幹燥的低能耗性、短周期性、均勻性等。
由於經幹燥降水後的糧食會增加爆腰粒,加工時碎米率高,大米蒸煮品質變差,失去應有的色、香、wei。caiyongdiwenchuliangjishu,bujinnenggoufangchongfangmei,erqienenggouyouxiaodiyizhiliangshihuxizuoyong,shineibushenglibianhuachengjingzhizhuangtai,yanhuanliangshichenhua,baochidamidexinxiandu。diwenchuzangjiushiliyongzirandiwentiaojianhuojixiezhilengshebei,jiangdicangneichuliangwendu,bingliyongcangfangweihujiegoudegerexingneng,quebaoliangshizaichuzangqijiandeliangduiwenduweichizaidiwen(15e)或準低溫(20e)以下。
相關儀器:植物生長室 碾米機



