食品車間凈化最好能與外界隔離,不能穿行或者受其他因素干擾。食品車間凈化的大小依需要的而定,一般由更衣間、緩沖間、煙臺風淋室和(he)(he)(he)操(cao)(cao)作間(jian)(jian)(jian)等組成。更衣(yi)間(jian)(jian)(jian)放在外(wai),主要(yao)供(gong)(gong)更換(huan)衣(yi)帽、鞋子等;緩沖(chong)間(jian)(jian)(jian)應該位于更衣(yi)間(jian)(jian)(jian)與風淋室之間(jian)(jian)(jian),也可(ke)以(yi)同時和(he)(he)(he)幾個操(cao)(cao)作間(jian)(jian)(jian)相通;操(cao)(cao)作間(jian)(jian)(jian)放在內間(jian)(jian)(jian),主要(yao)供(gong)(gong)產品(pin)灌裝,房(fang)(fang)間(jian)(jian)(jian)不(bu)能受日光直射(she),大小適當,高度適宜(具體根據生(sheng)產設(she)(she)備的(de)高度來確定(ding))。房(fang)(fang)間(jian)(jian)(jian)過(guo)(guo)大,清(qing)(qing)掃(sao)和(he)(he)(he)消毒(du)不(bu)便(bian);過(guo)(guo)小,操(cao)(cao)作不(bu)便(bian);如(ru)果頂部過(guo)(guo)高會影響紫(zi)外(wai)線的(de)有效滅菌效果。墻(qiang)壁應光滑(hua)無死(si)角,以(yi)便(bian)清(qing)(qing)洗和(he)(he)(he)消毒(du)。食品(pin)、食品(pin)車間(jian)(jian)(jian)凈化(hua)應為密閉式并保持車間(jian)(jian)(jian)靜壓差為正壓,設(she)(she)置空氣消毒(du)用的(de)紫(zi)外(wai)線燈、空氣過(guo)(guo)濾凈化(hua)器和(he)(he)(he)恒溫裝置。