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工業生產中制冷設備有哪些作用

2023-10-15

   制冷的(de)主要目的(de)是(shi)降低(di)封閉空間和材料的(de)溫(wen)度(du),并保持降低(di)的(de)溫(wen)度(du),有時降低(di)相對濕度(du)。冷卻這(zhe)個術語通常是(shi)指任何自(zi)然或人工的(de)散熱過程

以(yi)食(shi)品(pin)工業(ye)為例,食(shi)品(pin)中微(wei)生物(wu)的(de)(de)生長(chang)與溫(wen)(wen)度(du)密切相(xiang)關。如果(guo)控制(zhi)溫(wen)(wen)度(du),就可(ke)以(yi)控制(zhi)微(wei)生物(wu)的(de)(de)生長(chang)。當溫(wen)(wen)度(du)低(di)(di)于(yu)10℃時,微(wei)生物(wu)的(de)(de)生長(chang)速度(du)明(ming)顯減慢。冷藏可(ke)以(yi)降(jiang)低(di)(di)儲存食(shi)物(wu)中微(wei)生物(wu)的(de)(de)產(chan)生速度(du),給我們帶來更加美味和(he)方便(bian)的(de)(de)生活體驗(yan)。

   在(zai)(zai)工業生(sheng)產中,物料的(de)(de)低(di)(di)溫(wen)(wen)(wen)(wen)(wen)發酵需要(yao)在(zai)(zai)零(ling)度或(huo)超低(di)(di)溫(wen)(wen)(wen)(wen)(wen)下(xia)進行,這是在(zai)(zai)室(shi)(shi)溫(wen)(wen)(wen)(wen)(wen)下(xia)無法完成(cheng)(cheng)的(de)(de),因此制冷(leng)(leng)環節尤為關鍵什么是制冷(leng)(leng)系(xi)統(tong)?制冷(leng)(leng)系(xi)統(tong)由(you)壓(ya)(ya)(ya)縮(suo)機(ji)(ji)、冷(leng)(leng)凝器、節流元(yuan)件(jian)和(he)蒸(zheng)發器四(si)個基本(ben)部(bu)件(jian)組成(cheng)(cheng)。四(si)個主要(yao)部(bu)件(jian)由(you)銅管按(an)一(yi)定(ding)順序連(lian)接(jie),形成(cheng)(cheng)一(yi)個封閉系(xi)統(tong),系(xi)統(tong)內充有一(yi)定(ding)量(liang)的(de)(de)制冷(leng)(leng)劑(ji)。氟利(li)昂(ang)(ang)和(he)R22在(zai)(zai)過(guo)去被用作空(kong)調的(de)(de)制冷(leng)(leng)劑(ji)以制冷(leng)(leng)為例(li),壓(ya)(ya)(ya)縮(suo)機(ji)(ji)從蒸(zheng)發器中吸(xi)(xi)出低(di)(di)溫(wen)(wen)(wen)(wen)(wen)低(di)(di)壓(ya)(ya)(ya)氟利(li)昂(ang)(ang)氣體(ti),壓(ya)(ya)(ya)縮(suo)成(cheng)(cheng)高溫(wen)(wen)(wen)(wen)(wen)高壓(ya)(ya)(ya)氟利(li)昂(ang)(ang)氣體(ti),流經毛細(xi)管,節流成(cheng)(cheng)低(di)(di)溫(wen)(wen)(wen)(wen)(wen)低(di)(di)壓(ya)(ya)(ya)氟利(li)昂(ang)(ang)汽液兩相(xiang),低(di)(di)溫(wen)(wen)(wen)(wen)(wen)低(di)(di)壓(ya)(ya)(ya)氟利(li)昂(ang)(ang)液再吸(xi)(xi)收(shou)蒸(zheng)發器內室(shi)(shi)內空(kong)氣的(de)(de)熱量(liang),變成(cheng)(cheng)低(di)(di)溫(wen)(wen)(wen)(wen)(wen)低(di)(di)壓(ya)(ya)(ya)氟利(li)昂(ang)(ang)氣體(ti),低(di)(di)溫(wen)(wen)(wen)(wen)(wen)低(di)(di)壓(ya)(ya)(ya)氟利(li)昂(ang)(ang)氣體(ti)由(you)壓(ya)(ya)(ya)縮(suo)機(ji)(ji)吸(xi)(xi)入。

   室內(nei)空(kong)氣通(tong)過蒸發器(qi)釋放熱(re)量,空(kong)氣溫度下降(jiang)。這樣重(zhong)復壓縮冷(leng)凝(ning)節流蒸發的(de)(de)循環,制(zhi)冷(leng)劑不斷地(di)帶走室內(nei)空(kong)氣的(de)(de)熱(re)量,從(cong)而降(jiang)低(di)制(zhi)冷(leng)系統的(de)(de)室溫。壓縮冷(leng)凝(ning)節流蒸發是制(zhi)冷(leng)工(gong)藝(yi)的(de)(de)四大要(yao)素,而完成這一工(gong)藝(yi)的(de)(de)設(she)備就(jiu)是制(zhi)冷(leng)設(she)備。為了(le)使(shi)制(zhi)冷(leng)更加(jia)人性化和智能化,現代制(zhi)冷(leng)技術通(tong)常增加(jia)一些集成模塊(kuai)來實現智能操(cao)作(zuo)界面、遠程控制(zhi)和電路保護(hu)裝置等一系列功能。