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工業生產中制冷設備有哪些作用

2023-10-15

   制(zhi)冷(leng)的主要目的是降(jiang)低封閉(bi)空間和材(cai)料的溫度,并保持降(jiang)低的溫度,有時降(jiang)低相對濕度。冷(leng)卻這個術語通常是指(zhi)任何自然(ran)或人工的散(san)熱過程(cheng)

以(yi)食品工業為例,食品中微生物(wu)的(de)生長與(yu)溫度密(mi)切相關(guan)。如果控制(zhi)(zhi)溫度,就可以(yi)控制(zhi)(zhi)微生物(wu)的(de)生長。當(dang)溫度低(di)于10℃時,微生物(wu)的(de)生長速度明顯(xian)減慢。冷藏可以(yi)降低(di)儲(chu)存食物(wu)中微生物(wu)的(de)產生速度,給(gei)我們(men)帶(dai)來更加美(mei)味和方便的(de)生活體(ti)驗(yan)。

   在(zai)工業(ye)生(sheng)產(chan)中,物(wu)料的(de)低(di)(di)(di)(di)(di)溫發酵需要在(zai)零度或(huo)超低(di)(di)(di)(di)(di)溫下進(jin)行,這是在(zai)室溫下無法完成(cheng)(cheng)的(de),因此制(zhi)(zhi)冷(leng)環(huan)節(jie)尤為關(guan)鍵什么是制(zhi)(zhi)冷(leng)系統(tong)(tong)?制(zhi)(zhi)冷(leng)系統(tong)(tong)由壓(ya)縮(suo)機、冷(leng)凝(ning)器(qi)(qi)、節(jie)流元件(jian)和蒸發器(qi)(qi)四個基本部(bu)件(jian)組(zu)成(cheng)(cheng)。四個主要部(bu)件(jian)由銅(tong)管(guan)按一定順序連(lian)接,形成(cheng)(cheng)一個封閉系統(tong)(tong),系統(tong)(tong)內充有一定量的(de)制(zhi)(zhi)冷(leng)劑。氟(fu)(fu)利昂(ang)(ang)(ang)和R22在(zai)過去被用作空調的(de)制(zhi)(zhi)冷(leng)劑以制(zhi)(zhi)冷(leng)為例,壓(ya)縮(suo)機從蒸發器(qi)(qi)中吸(xi)出(chu)低(di)(di)(di)(di)(di)溫低(di)(di)(di)(di)(di)壓(ya)氟(fu)(fu)利昂(ang)(ang)(ang)氣體,壓(ya)縮(suo)成(cheng)(cheng)高溫高壓(ya)氟(fu)(fu)利昂(ang)(ang)(ang)氣體,流經毛細管(guan),節(jie)流成(cheng)(cheng)低(di)(di)(di)(di)(di)溫低(di)(di)(di)(di)(di)壓(ya)氟(fu)(fu)利昂(ang)(ang)(ang)汽(qi)液(ye)兩(liang)相(xiang),低(di)(di)(di)(di)(di)溫低(di)(di)(di)(di)(di)壓(ya)氟(fu)(fu)利昂(ang)(ang)(ang)液(ye)再吸(xi)收(shou)蒸發器(qi)(qi)內室內空氣的(de)熱量,變成(cheng)(cheng)低(di)(di)(di)(di)(di)溫低(di)(di)(di)(di)(di)壓(ya)氟(fu)(fu)利昂(ang)(ang)(ang)氣體,低(di)(di)(di)(di)(di)溫低(di)(di)(di)(di)(di)壓(ya)氟(fu)(fu)利昂(ang)(ang)(ang)氣體由壓(ya)縮(suo)機吸(xi)入(ru)。

   室內空(kong)氣通過蒸發(fa)器釋放(fang)熱量,空(kong)氣溫度下降。這(zhe)樣重復(fu)壓縮(suo)冷(leng)(leng)(leng)(leng)(leng)凝節流蒸發(fa)的(de)循環,制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑不斷地(di)帶走室內空(kong)氣的(de)熱量,從而降低制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)系統的(de)室溫。壓縮(suo)冷(leng)(leng)(leng)(leng)(leng)凝節流蒸發(fa)是(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)工藝的(de)四大要素,而完成這(zhe)一工藝的(de)設備就是(shi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)設備。為了使制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)更加人性化(hua)和(he)智能化(hua),現代制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)技術通常增(zeng)加一些集成模塊來實現智能操作界面、遠(yuan)程(cheng)控制(zhi)(zhi)(zhi)和(he)電路保護裝置等一系列功能。