冷(leng)卻(que)(que)塔是用水作為循環冷(leng)卻(que)(que)劑,從一(yi)(yi)系統(tong)中吸收熱量排放至大氣中,以(yi)降低(di)水溫(wen)的裝(zhuang)置(zhi)(zhi)(zhi);其冷(leng)是利用水與空(kong)氣流動接觸(chu)后進行冷(leng)熱交換產(chan)生蒸(zheng)(zheng)汽,蒸(zheng)(zheng)汽揮(hui)發帶走熱量達到蒸(zheng)(zheng)發散熱、對(dui)流傳熱和輻(fu)射(she)傳熱等原(yuan)理來散去工(gong)業上或制冷(leng)空(kong)調中產(chan)生的余熱來降低(di)水溫(wen)的蒸(zheng)(zheng)發散熱裝(zhuang)置(zhi)(zhi)(zhi),以(yi)保證系統(tong)的正常運行,裝(zhuang)置(zhi)(zhi)(zhi)一(yi)(yi)般(ban)為桶狀(zhuang),故名為冷(leng)卻(que)(que)塔。