【正文】 的不同，選擇有效的清洗方法，通常的清洗程序如下： 1） 溫水（ 3860℃ ）預(yù)沖洗 58min； 2）用 7585℃ 的熱堿性清洗液循環(huán) 1520min（如選用氫氧化鈉，其濃度應(yīng)控制在%%）； 3）水沖洗 58min； 4）用 6575℃ 的熱酸性清洗液循環(huán) 1520min（如選用硝酸，濃度應(yīng)控制為 %%）； 5）水沖洗 58min。 污染 物限量應(yīng)符合 GB 2762 的規(guī)定。 ：應(yīng)符合相應(yīng)安全標(biāo)準(zhǔn)和有關(guān)規(guī)定。 ：將分裝好的牛乳置于發(fā)酵架中發(fā)酵，溫度保持在 4043℃ ，一般發(fā)酵 時。 ：（ 1）奶粉的添加：加入 1%3%的奶粉調(diào)節(jié)非脂干物質(zhì)。中國人口眾多，市場潛力巨大，乳品行業(yè)具有很大的發(fā)展空間?，F(xiàn)在市場上很流行的塑料碗裝的老酸奶嚴(yán)格來講也屬于傳統(tǒng)意義凝固型酸奶的一個升級變種，其在凝固型酸奶工藝的基礎(chǔ)上為了避免在運輸中變 稀，它們都添加了明膠、果膠等 凝膠劑 和增稠劑，不論怎么震蕩都不會變成液態(tài)。 根據(jù) GB 193022020 《發(fā)酵乳標(biāo)準(zhǔn)》，酸乳（ yoghurt）以生牛（羊）乳或乳粉為原料，經(jīng)殺菌、接種嗜熱鏈球菌和保加利亞乳桿菌（德氏乳桿菌保加利亞亞種）發(fā)酵制北京理工大學(xué)珠海學(xué)院 2020 屆課程設(shè)計 2 成的產(chǎn)品。經(jīng)熱處理的牛奶以與攪拌型酸奶一樣的方法在罐中發(fā)酵，當(dāng)達(dá)到所需的 pH 值（接近 ）時，果汁、糖和穩(wěn)定劑就被充分的混合進(jìn)去，然后按產(chǎn)品所需的貨架期以不同的方法處理這種酸奶混合物。 關(guān)鍵詞： 乳酸菌 凝固型酸奶 塑杯包裝 CIP HACCP 北京理工大學(xué)珠海學(xué)院 2020 屆課程設(shè)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(shè)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(zhì)量標(biāo)準(zhǔn) ............................................................................................................... 4 CIP 清洗 ......................................................................................................................... 6 ................................................................................................................................... 8 班產(chǎn)量的確定 .................................................................................................................. 8 物料計算 ......................................................................................................................... 9 4. 能量衡算 ................................................................................................................................ 11 水的耗量 ........................................................................................................................ 11 耗電量 ............................................................................................................................ 11 耗汽量 .................................................................