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工業冷凍機蒸發溫度和冷凝溫度根據需要確定

2024-05-07

      冷凝(ning)溫(wen)(wen)度:制冷壓縮機的總冷凝(ning)溫(wen)(wen)度是(shi)指制冷劑(ji)在冷卻器內(nei)冷卻后的環境溫(wen)(wen)度,對應制冷劑(ji)的蒸汽壓力,即冷凝(ning)壓力。對于水(shui)冷式冷凝(ning)器,其冷凝(ning)溫(wen)(wen)度一般比冷卻水(shui)溫(wen)(wen)度高(gao)3-5℃。

冷(leng)凝(ning)溫(wen)(wen)(wen)(wen)度(du)是制(zhi)(zhi)(zhi)冷(leng)系(xi)統的主要控(kong)制(zhi)(zhi)(zhi)參(can)數(shu)之一。在(zai)實際制(zhi)(zhi)(zhi)冷(leng)設(she)備中,由于(yu)其(qi)他結構參(can)數(shu)的改(gai)造規(gui)模(mo)較小,冷(leng)凝(ning)溫(wen)(wen)(wen)(wen)度(du)可視為一個*其(qi)重要的控(kong)制(zhi)(zhi)(zhi)參(can)數(shu),它直接影響(xiang)制(zhi)(zhi)(zhi)冷(leng)設(she)備的制(zhi)(zhi)(zhi)冷(leng)效率、安(an)全(quan)穩定性和(he)能耗水平。蒸發環境(jing)溫(wen)(wen)(wen)(wen)度(du)是指制(zhi)(zhi)(zhi)冷(leng)劑在(zai)蒸發器內沸(fei)騰后(hou)的環境(jing)溫(wen)(wen)(wen)(wen)度(du)。

   制冷機(ji)對應相應的蒸(zheng)(zheng)(zheng)發(fa)壓力,蒸(zheng)(zheng)(zheng)發(fa)環(huan)境的溫(wen)(wen)(wen)度(du)(du)(du)是(shi)制冷機(ji)組(zu)中一(yi)個關鍵的主要參(can)數。蒸(zheng)(zheng)(zheng)發(fa)環(huan)境溫(wen)(wen)(wen)度(du)(du)(du)一(yi)般(ban)(ban)比所需溫(wen)(wen)(wen)度(du)(du)(du)低2-3℃。蒸(zheng)(zheng)(zheng)發(fa)溫(wen)(wen)(wen)度(du)(du)(du)是(shi)理想的冷卻(que)環(huan)境溫(wen)(wen)(wen)度(du)(du)(du),但(dan)在(zai)實際活動中,制冷劑的蒸(zheng)(zheng)(zheng)發(fa)環(huan)境溫(wen)(wen)(wen)度(du)(du)(du)比冷卻(que)溫(wen)(wen)(wen)度(du)(du)(du)略低3 ~ 5度(du)(du)(du)。一(yi)般(ban)(ban)如何(he)確定蒸(zheng)(zheng)(zheng)發(fa)溫(wen)(wen)(wen)度(du)(du)(du)和冷凝溫(wen)(wen)(wen)度(du)(du)(du)。

     蒸(zheng)發(fa)溫(wen)度(du)(du)和冷(leng)凝(ning)(ning)溫(wen)度(du)(du)根據需要(yao)(yao)確定(ding),例(li)如在冰箱的(de)風冷(leng)機組中(zhong)。冷(leng)凝(ning)(ning)溫(wen)度(du)(du)主要(yao)(yao)取(qu)決于(yu)操作(zuo)溫(wen)度(du)(du),而蒸(zheng)發(fa)環(huan)境溫(wen)度(du)(du)主要(yao)(yao)取(qu)決于(yu)空調(diao)(diao)的(de)應(ying)用。空調(diao)(diao)的(de)蒸(zheng)發(fa)溫(wen)度(du)(du)越(yue)高,凍結(jie)溫(wen)度(du)(du)越(yue)低(di),甚至在一些(xie)超低(di)溫(wen)行業中(zhong),標準(zhun)蒸(zheng)發(fa)環(huan)境溫(wen)度(du)(du)更低(di)。這方面沒有統(tong)一的(de)主要(yao)(yao)參數,主要(yao)(yao)取(qu)決于(yu)實際應(ying)用。