生(sheng)物(wu)發酵罐(guan)(guan)(guan)的(de)罐(guan)(guan)(guan)體(ti)由圓(yuan)柱(zhu)體(ti)及橢(tuo)圓(yuan)形或(huo)碟(die)形封頭焊接而(er)成，小(xiao)型發酵罐(guan)(guan)(guan)罐(guan)(guan)(guan)頂和罐(guan)(guan)(guan)身(shen)采用(yong)(yong)法蘭連接，材(cai)料(liao)一(yi)般為(wei)不銹鋼(gang)。為(wei)了(le)便于清(qing)洗，小(xiao)型發酵罐(guan)(guan)(guan)頂設有(you)清(qing)洗用(yong)(yong)的(de)手孔(kong)(kong)。中大型發酵罐(guan)(guan)(guan)配備快開人孔(kong)(kong)及清(qing)洗用(yong)(yong)的(de)快開手孔(kong)(kong)。
生物發酵罐(guan)的高徑比為1.7-2.5之(zhi)間，高徑比大有利于傳熱和(he)溶氧，攪(jiao)拌(ban)剪切力大。發酵罐(guan)的攪(jiao)拌(ban)裝置(zhi)包括機械(xie)攪(jiao)拌(ban)和(he)非機械(xie)攪(jiao)拌(ban)。通風發酵的攪(jiao)拌(ban)裝置(zhi)包括電動(dong)機、傳動(dong)裝置(zhi)、攪(jiao)拌(ban)軸、軸密封(feng)裝置(zhi)和(he)攪(jiao)拌(ban)槳。
