鹽(yan)水制(zhi)冰是應用較廣(guang)泛、歷史(shi)悠久的(de)一(yi)種間接冷(leng)卻(que)制(zhi)冰方法(fa)。制(zhi)出的(de)冰堅實、不易融化,便于貯藏和搬運,在國內漁業、食品業、運輸業及(ji)醫療機構等行業中使用的(de)比較普遍。下面給大(da)家介(jie)紹關于鹽(yan)水制(zhi)冰機的(de)制(zhi)冰流(liu)程(cheng)以及(ji)溫度如何測定?的(de)內容,歡迎大(da)家閱讀!
鹽水制冰機的制冰流程:
鹽(yan)水(shui)制(zhi)冰(bing)(bing)(bing)(bing)是一(yi)種間接(jie)冷卻(que)(que)系統。在(zai)傳統的咸水(shui)制(zhi)冰(bing)(bing)(bing)(bing)池(chi)中(zhong)(zhong)(zhong),蒸(zheng)發器(qi)鹽(yan)水(shui)池(chi)和鹽(yan)水(shui)制(zhi)冰(bing)(bing)(bing)(bing)池(chi)組合(he)成(cheng)一(yi)個制(zhi)冰(bing)(bing)(bing)(bing)池(chi),由(you)隔板隔開。在(zai)鹽(yan)水(shui)在(zai)蒸(zheng)發器(qi)鹽(yan)水(shui)池(chi)中(zhong)(zhong)(zhong)冷卻(que)(que)后(hou)(hou),它在(zai)攪拌器(qi)的作(zuo)用下進入(ru)制(zhi)冰(bing)(bing)(bing)(bing)鹽(yan)水(shui)池(chi)以冷卻(que)(que)冰(bing)(bing)(bing)(bing)桶(tong)。在(zai)溫度升高之(zhi)后(hou)(hou),鹽(yan)水(shui)從(cong)另一(yi)側流入(ru)蒸(zheng)發器(qi)鹽(yan)水(shui)池(chi)以進一(yi)步冷卻(que)(que)。在(zai)鹽(yan)水(shui)制(zhi)冰(bing)(bing)(bing)(bing)設(she)備中(zhong)(zhong)(zhong),蒸(zheng)發器(qi)中(zhong)(zhong)(zhong)制(zhi)冷劑的熱量(liang)吸收鹽(yan)水(shui),保持鹽(yan)水(shui)冷卻(que)(que)在(zai)-10~14℃左右(you)。當(dang)冰(bing)(bing)(bing)(bing)桶(tong)中(zhong)(zhong)(zhong)的水(shui)被凍結時(shi),冰(bing)(bing)(bing)(bing)桶(tong)組將由(you)起(qi)重機連續地(di)從(cong)制(zhi)冰(bing)(bing)(bing)(bing)罐(guan)中(zhong)(zhong)(zhong)提起(qi)并(bing)放入(ru)冰(bing)(bing)(bing)(bing)融化罐(guan)中(zhong)(zhong)(zhong)以融化冰(bing)(bing)(bing)(bing),然后(hou)(hou)將冰(bing)(bing)(bing)(bing)架用于脫(tuo)水(shui),并(bing)且冰(bing)(bing)(bing)(bing)將被儲(chu)存或直接(jie)通過滑行路徑(jing)運輸到冰(bing)(bing)(bing)(bing)儲(chu)存器(qi)中(zhong)(zhong)(zhong)。脫(tuo)水(shui)后(hou)(hou),將空冰(bing)(bing)(bing)(bing)桶(tong)裝滿水(shui),然后(hou)(hou)放入(ru)制(zhi)冰(bing)(bing)(bing)(bing)罐(guan)中(zhong)(zhong)(zhong)繼續生產(chan),等等。
鹽水制冰機的溫度的測定:
1)鹽水溫度(du)t1 t1直接(jie)影響冷(leng)(leng)凍速度(du)和(he)冰(bing)(bing)塊質量(liang)。 T1降低(di),冷(leng)(leng)凍速度(du)增(zeng)加(jia),但蒸(zheng)發溫度(du)要求(qiu)降低(di),因此制冷(leng)(leng)系數(shu)降低(di)。 T1增(zeng)加(jia),這不利于(yu)鹽水和(he)冰(bing)(bing)桶之間的熱(re)傳遞,并(bing)減(jian)慢(man)冷(leng)(leng)凍速度(du)。一般t1-10℃。
2)鹽(yan)水(shui)(shui)溫(wen)(wen)(wen)度(du)與(yu)蒸(zheng)(zheng)發(fa)(fa)(fa)溫(wen)(wen)(wen)度(du)t2之(zhi)間(jian)的溫(wen)(wen)(wen)差(cha)較大,可(ke)加(jia)速(su)鹽(yan)水(shui)(shui)與(yu)制冷劑之(zhi)間(jian)的傳熱,有利于鹽(yan)水(shui)(shui)的冷卻,但隨著(zhu)t2的增加(jia),蒸(zheng)(zheng)發(fa)(fa)(fa)溫(wen)(wen)(wen)度(du)降低將需要,這將導致壓縮機(ji)的單位功耗增加(jia)。因此,蒸(zheng)(zheng)發(fa)(fa)(fa)溫(wen)(wen)(wen)度(du)與(yu)鹽(yan)水(shui)(shui)溫(wen)(wen)(wen)差(cha)在5℃之(zhi)間(jian)。
3)鹽(yan)水(shui)(shui)的(de)凝固溫(wen)度(du)(du)(du)(du)(du)必須(xu)確保它(ta)不會在低溫(wen)下凍(dong)(dong)結,以保持(chi)鹽(yan)水(shui)(shui)在制冰池中循環。如果(guo)鹽(yan)水(shui)(shui)的(de)冷(leng)凍(dong)(dong)溫(wen)度(du)(du)(du)(du)(du)接近蒸發(fa)溫(wen)度(du)(du)(du)(du)(du),則鹽(yan)水(shui)(shui)有(you)凍(dong)(dong)結的(de)風(feng)險。但是,如果(guo)要求鹽(yan)水(shui)(shui)的(de)凝固溫(wen)度(du)(du)(du)(du)(du)太低,則由于鹽(yan)水(shui)(shui)濃度(du)(du)(du)(du)(du)的(de)增(zeng)加,攪(jiao)拌(ban)器的(de)功率消耗將(jiang)增(zeng)加。因此,鹽(yan)水(shui)(shui)冷(leng)凍(dong)(dong)溫(wen)度(du)(du)(du)(du)(du)比蒸發(fa)溫(wen)度(du)(du)(du)(du)(du)低6~8℃。
感謝閱讀,以上就是對鹽水制冰機的制冰流程以及溫度如何測定?的介紹,部分內容來自網絡,僅供參考。如果您想了解更多有關鹽水制冰機的詳細事(shi)宜,歡迎致電詳詢,竭誠為您服務。