[{"ID":"1636","ParentID":"1468","MainID":"1468","CompanyID":"182561","Title":"生物發(fā)酵罐","HitNumber":"4","CreateTime":"2020/4/16 11:36:32","UpdateTime":"2020/4/16 11:36:32","RecommendNum":"0","Picture":"2/20200416/637226337777624563328.jpg","PictureDomain":"img69","MainTitle":"生物發(fā)酵罐","Detail":"過濾除菌:是目前發(fā)酵工業(yè)中經(jīng)濟實用的空氣除菌方法，它是采用定期滅菌的介質(zhì)來阻截流過的空氣所含的微生物，而取得無菌空氣，常用的過濾介質(zhì)有棉花、活性炭或玻璃纖維、有機合成纖維、有機和無機燒結(jié)材料等等。由于被過濾的氣溶膠中微生物的粒子很小，一般只有0.5～2μm，而過濾介質(zhì)的材料一般孔徑都大于微粒直徑的幾倍到幾十倍，因此，過濾機理比較復雜1重要系數(shù)：一般發(fā)酵罐的高徑比為1.7-2.5之間，高徑比大有利于傳熱和溶氧，攪拌剪切力大。發(fā)酵罐的攪拌裝置包括機械攪拌和非機械攪拌。通風發(fā)酵的攪拌裝置包括電動機、傳","Author":"潘德行"}]