制(zhi)冷(leng)機等(deng)換(huan)(huan)(huan)(huan)熱器在(zai)制(zhi)作時，管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)與(yu)列(lie)管(guan)(guan)(guan)的(de)(de)焊(han)接(jie)一(yi)(yi)般采(cai)用(yong)手工電(dian)(dian)弧焊(han)，焊(han)縫(feng)形(xing)狀(zhuang)存在(zai)不(bu)同(tong)程度(du)的(de)(de)缺(que)陷，如(ru)凹(ao)陷、氣孔、夾(jia)渣等(deng)，焊(han)縫(feng)應(ying)力的(de)(de)分布(bu)也(ye)不(bu)均(jun)勻(yun)。使用(yong)時管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)部分一(yi)(yi)般與(yu)工業冷(leng)卻水(shui)(shui)(shui)(shui)(shui)接(jie)觸，而工業冷(leng)卻水(shui)(shui)(shui)(shui)(shui)中(zhong)的(de)(de)雜質(zhi)(zhi)(zhi)(zhi)(zhi)、鹽類、氣體(ti)、微生(sheng)物都會(hui)構(gou)成對管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)和(he)焊(han)縫(feng)的(de)(de)腐(fu)(fu)蝕(shi)。這(zhe)就(jiu)是(shi)我們常說的(de)(de)電(dian)(dian)化(hua)學(xue)腐(fu)(fu)蝕(shi)。研究表明，工業水(shui)(shui)(shui)(shui)(shui)無論是(shi)淡水(shui)(shui)(shui)(shui)(shui)還(huan)是(shi)海水(shui)(shui)(shui)(shui)(shui)，都會(hui)有各種離(li)子和(he)溶解的(de)(de)氧氣，其中(zhong)氯離(li)子和(he)氧的(de)(de)濃(nong)度(du)變(bian)化(hua)，對金屬(shu)的(de)(de)腐(fu)(fu)蝕(shi)形(xing)狀(zhuang)起重要作用(yong)。另(ling)外(wai)，金屬(shu)結構(gou)的(de)(de)復雜程度(du)也(ye)會(hui)影響(xiang)腐(fu)(fu)蝕(shi)形(xing)態。因(yin)此(ci)，管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)與(yu)列(lie)管(guan)(guan)(guan)焊(han)縫(feng)的(de)(de)腐(fu)(fu)蝕(shi)以(yi)孔蝕(shi)和(he)縫(feng)隙腐(fu)(fu)蝕(shi)為(wei)主。從(cong)外(wai)觀看，管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)表面會(hui)有許多(duo)腐(fu)(fu)蝕(shi)產物和(he)積沉物，分布(bu)著(zhu)大小不(bu)等(deng)的(de)(de)凹(ao)坑(keng)。以(yi)海水(shui)(shui)(shui)(shui)(shui)為(wei)介(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)時，還(huan)會(hui)產生(sheng)電(dian)(dian)偶腐(fu)(fu)蝕(shi)。化(hua)學(xue)腐(fu)(fu)蝕(shi)就(jiu)是(shi)介(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)腐(fu)(fu)蝕(shi)，換(huan)(huan)(huan)(huan)熱器管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)接(jie)觸各種各樣(yang)的(de)(de)化(hua)學(xue)介(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)，就(jiu)會(hui)受到(dao)化(hua)學(xue)介(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)腐(fu)(fu)蝕(shi)。另(ling)外(wai)，換(huan)(huan)(huan)(huan)熱器管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)還(huan)會(hui)與(yu)換(huan)(huan)(huan)(huan)熱管(guan)(guan)(guan)之間產生(sheng)一(yi)(yi)定的(de)(de)雙(shuang)金屬(shu)腐(fu)(fu)蝕(shi)。一(yi)(yi)些管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)還(huan)長期處(chu)于腐(fu)(fu)蝕(shi)介(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)沖蝕(shi)中(zhong)。尤其是(shi)固定管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)換(huan)(huan)(huan)(huan)熱器, 還(huan)有溫差應(ying)力, 管(guan)(guan)(guan)板(ban)(ban)(ban)(ban)(ban)與(yu)換(huan)(huan)(huan)(huan)熱管(guan)(guan)(guan)聯接(jie)處(chu)*易(yi)泄漏,導(dao)致換(huan)(huan)(huan)(huan)熱器失效

變頻冷水機

冰水機組

雖(sui)然吉安市開啟式工(gong)業(ye)(ye)(ye)冷卻(que)機設備(bei)(bei)已經廣泛應用于(yu)塑料行(xing)(xing)業(ye)(ye)(ye)、電子(zi)行(xing)(xing)業(ye)(ye)(ye)、電鍍行(xing)(xing)業(ye)(ye)(ye)、機械行(xing)(xing)業(ye)(ye)(ye)、建(jian)筑行(xing)(xing)業(ye)(ye)(ye)、真空鍍膜、食品行(xing)(xing)業(ye)(ye)(ye)等諸(zhu)多行(xing)(xing)業(ye)(ye)(ye)，但(dan)很(hen)多企業(ye)(ye)(ye)仍(reng)然不(bu)知(zhi)道如(ru)何(he)選購合(he)適的工(gong)業(ye)(ye)(ye)冷卻(que)機設備(bei)(bei)？以下是(shi)如(ru)何(he)選擇工(gong)業(ye)(ye)(ye)冷卻(que)機設備(bei)(bei)。

制冷機組

工(gong)業(ye)冷(leng)(leng)卻(que)機(ji)(ji)(ji)設備(bei)(bei)又稱(cheng)冷(leng)(leng)柜、冰箱、冰水(shui)(shui)機(ji)(ji)(ji)等。其特性原理是(shi)一機(ji)(ji)(ji)多用，通過床體收縮或(huo)吸熱制(zhi)冷(leng)(leng)循環去(qu)除液汽發動(dong)機(ji)(ji)(ji)。根據開(kai)啟式(shi)(shi)工(gong)業(ye)冷(leng)(leng)卻(que)機(ji)(ji)(ji)設備(bei)(bei)制(zhi)冷(leng)(leng)形式(shi)(shi)的不同，可分為風冷(leng)(leng)式(shi)(shi)工(gong)業(ye)冷(leng)(leng)卻(que)機(ji)(ji)(ji)設備(bei)(bei)和水(shui)(shui)冷(leng)(leng)式(shi)(shi)工(gong)業(ye)冷(leng)(leng)卻(que)機(ji)(ji)(ji)設備(bei)(bei)。我(wo)們如何(he)選(xuan)擇(ze)風冷(leng)(leng)或(huo)水(shui)(shui)冷(leng)(leng)？企業(ye)在(zai)選(xuan)擇(ze)工(gong)業(ye)冷(leng)(leng)卻(que)機(ji)(ji)(ji)設備(bei)(bei)時，需(xu)要(yao)考慮客觀環境因素來選(xuan)擇(ze)合適的開(kai)啟式(shi)(shi)工(gong)業(ye)冷(leng)(leng)卻(que)機(ji)(ji)(ji)設備(bei)(bei)。

風(feng)冷(leng)(leng)式(shi)工(gong)業冷(leng)(leng)卻(que)機設(she)備(bei)不(bu)需要(yao)(yao)冷(leng)(leng)卻(que)塔(ta)。它(ta)安裝簡單，移動方(fang)便。它(ta)用于(yu)(yu)缺水的情況。由于(yu)(yu)風(feng)冷(leng)(leng)式(shi)工(gong)業冷(leng)(leng)卻(que)機設(she)備(bei)是(shi)通過(guo)風(feng)扇散熱，因(yin)此(ci)對通風(feng)、濕度(du)、溫度(du)等周(zhou)圍環(huan)境(jing)有很高的要(yao)(yao)求。水冷(leng)(leng)式(shi)工(gong)業冷(leng)(leng)卻(que)機設(she)備(bei)組(zu)運行更平穩，熱損失少，回(hui)油容易，傳熱管不(bu)易凍裂。它(ta)比空氣冷(leng)(leng)卻(que)器(qi)更節能。但開啟式(shi)工(gong)業冷(leng)(leng)卻(que)機設(she)備(bei)占(zhan)地面積(ji)大(da)，價格遠高于(yu)(yu)風(feng)冷(leng)(leng)。水冷(leng)(leng)式(shi)工(gong)業冷(leng)(leng)卻(que)機設(she)備(bei)組(zu)水和冷(leng)(leng)卻(que)塔(ta)循環(huan)冷(leng)(leng)卻(que)，適用于(yu)(yu)封閉(bi)車間。