1 序文
真空均質(zhì)乳化機(jī)（簡稱乳化機(jī)）首要運(yùn)用于化工、醫(yī)藥、生物、食物等許多領(lǐng)域中非均相液一固和液一液多相體松散系統(tǒng)的混合。現(xiàn)在該設(shè)備在國內(nèi)首要是選用傳統(tǒng)的繼電器控制系統(tǒng)構(gòu)成，操作人員需求根據(jù)閱歷和表面閃現(xiàn)輸入指令或數(shù)據(jù)進(jìn)行手動操作，主動化程度不高，一同控制系統(tǒng)存在操作繁瑣、溫度控制超調(diào)量大、能耗高級缺點(diǎn)。
2 乳化機(jī)的工作進(jìn)程
2.1 工作原理
乳化機(jī)由乳化鍋、水相鍋、油相鍋、真空設(shè)備、溫度控制系統(tǒng)、電氣控制系統(tǒng)等構(gòu)成。
出產(chǎn)技術(shù)流程如圖1所示［1，2］。油溶性和水溶性材料分別在油相鍋和水相鍋內(nèi)熔化或溶解，溫度通常堅持在80℃左右，將用水蒸氣加熱的油相和水相材料通過過濾器加至乳化鍋內(nèi)，以進(jìn)行均質(zhì)攪拌、乳化和真空脫氣。然后，向夾套通入冷水，冷卻到必定溫度后，增加香精，繼續(xù)冷卻至懇求的溫度間斷攪拌，待恢復(fù)常壓即可出料。
2.2 工作進(jìn)程
（1）油相鍋、水相鍋進(jìn)料后，發(fā)起油相、水相攪拌電機(jī)，在線設(shè)定油相、水相電機(jī)的轉(zhuǎn)速；
（2）設(shè)定油相鍋、水相鍋控制溫度后，發(fā)起油相鍋、水相鍋的溫度控制；
（3）當(dāng)油相鍋、水相鍋內(nèi)材料初處理結(jié)束后，發(fā)起油相鍋、水相鍋出料泵，將初處理后的物料泵入乳化鍋內(nèi)；
（4）當(dāng)油相鍋、水相鍋內(nèi)的物料完全泵入乳化鍋內(nèi)后，出料泵間斷工作。發(fā)起液壓電機(jī)，垂直降低主攪拌器與均質(zhì)攪拌器，當(dāng)降低到位時，液壓電機(jī)間斷工作，然后手動旋緊密封閥；
（5）當(dāng)真空乳化鍋密封后，發(fā)起主攪拌、均質(zhì)攪拌電機(jī)。轉(zhuǎn)速將從零上升到用戶的設(shè)定值，并可根據(jù)不一樣的加工懇求，在線改動主攪拌、均質(zhì)攪拌電機(jī)的轉(zhuǎn)速；
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