【正文】
生 物 工程設備課程設計 年產(chǎn) 7000 噸凝固型酸奶 生產(chǎn)車間工藝設計 學 院: 化工與材料學院 專 業(yè): 姓 名: 指導老師: 生物工程 林 琳 學 號: 職 稱: 110504031034 周新明 高級工程師 中國珠海 二○一 四 年十 二 月 北京理工大學珠海學院 2020 屆課程設計 北京理工大學珠海學院課程設計 誠信承諾書 本人鄭重承諾: 我所呈交的課程設計《 年產(chǎn) 7000 噸凝固型酸奶生產(chǎn)車間工藝設計 》是在指導教師的指導下,獨立開展研究取得的成果,文中引用他人的觀點和材料,均在文后按順序列出其參考文獻,設計使用的數(shù)據(jù)真實可靠。 承諾人簽名: 日期: 年 月 日 I 年產(chǎn) 7000 噸凝固型酸奶生產(chǎn)車間工藝設計 摘 要 酸 乳,即在添加(或不添加)乳粉(或脫脂乳粉)的乳中(殺菌乳或濃縮乳),由于保加利亞乳桿菌和嗜熱鏈球菌的作用進行乳酸發(fā)酵制成的凝乳狀產(chǎn)品,成品必須含有大量的相應的活性微生物。 乳酸菌在乳中生長繁殖 , 發(fā)酵分解乳糖產(chǎn)生乳酸等有機酸 , 導致乳的 PH值下降 , 使乳酪蛋白在其等電點附近發(fā)生凝集 ,我們把這種乳凝狀的 酸奶 稱為凝固型酸奶。 與純奶、豆奶相比 ,酸奶的營養(yǎng)保健價值最高。為此,酸奶產(chǎn)品和產(chǎn)量將會得到前所未有的發(fā)展。在無需進行設備拆卸的情況下,沖洗水和洗滌劑溶液循環(huán)通過罐、管路和其他加工線而達到清洗、消毒的清洗方法稱為就地清洗,即 CIP( cleaning in place)。本設計將廠址選擇在珠海市斗門區(qū),遠離重工業(yè)區(qū),空氣清新,水質清純,交通便利,降低物流成本。 關鍵詞: 乳酸菌 凝固型酸奶 塑杯包裝 CIP HACCP 北京理工大學珠海學院 2020 屆課程設計 II Annual output of 7,000 tons of yoghurt production plant process design ABSTRACT Yogurt, which added (or not added) milk (or skim milk) of milk (sterilized milk or condensed milk), the role of Lactobacillus bulgaricus and Streptococcus thermophilus were curdlike product made from lactic acid fermentation , large amounts of finished products must contain the corresponding active and reproduction of lactic acid in the milk fermentation break down lactose to produce lactic acid and other anic acids, resulting in decreased milk PH value, make cheese and other protein aggregation occurs in the vicinity of its isoelectric point, we put this curdling like yogurt called with whole milk, soy milk, yogurt highest nutritional this end, yogurt products and production will be an unprecedented the case without disassembling the apparatus, wash water and detergent solution is circulated through tanks, pipes and other processing line to achieve cleaning, disinfecting washing method is called cleaning in place, ., CIP (cleaning in place).The design will be site selection in Doumen District of Zhuhai City, away from heavy industry, clean air, pure water, transport facilities, reduce logistics costs. Key words: Lactobacillus Yoghurt Plastic cup packed CIP HACCP 目 錄 摘 要 ....................................................................................................................................... I ABSTRACT ..................................................................................................................................II 1. 前 言 ..................................................................................................................................... 1 酸乳的定義 ...................................................................................................................... 1 酸乳的分類 ...................................................................................................................... 1 凝固型酸奶 ...................................................................................................................... 1 設計的目的和意義 ........................................................................................................... 2 2. 工藝流程的確定及說明 ............................................................................................................ 3 生產(chǎn)流程 ......................................................................................................................... 3 酸乳的質量標準 ............................................................................................................... 4 CIP 清洗 ......................................................................................................................... 6 ................................................................................................................................... 8 班產(chǎn)量的確定 .................................................................................................................. 8 物料計算 ......................................................................................................................... 9 4. 能量衡算 ................................................................................................