導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)是“有(you)(you)機熱(re)(re)(re)(re)(re)(re)載體(ti)爐(lu)(lu)(lu)”的習慣(guan)叫法。以(yi)(yi)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)為(wei)(wei)介質,利用循環(huan)(huan)油(you)(you)(you)(you)(you)(you)泵,強(qiang)制導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)進(jin)行(xing)液相(xiang)循環(huan)(huan),將(jiang)熱(re)(re)(re)(re)(re)(re)能(neng)輸(shu)送給用熱(re)(re)(re)(re)(re)(re)設備(bei)后,再返回(hui)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)爐(lu)(lu)(lu)重(zhong)新(xin)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)。有(you)(you)機熱(re)(re)(re)(re)(re)(re)載體(ti)爐(lu)(lu)(lu)具有(you)(you)低(di)(di)(di)壓(ya)(常(chang)壓(ya)下(xia)(xia)或(huo)(huo)較低(di)(di)(di)壓(ya)力)、高(gao)溫(wen)(wen)(300℃左右)、環(huan)(huan)保、節能(neng)的特(te)點(dian),可(ke)(ke)以(yi)(yi)準確地控制工(gong)(gong)作(zuo)溫(wen)(wen)度(du),導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)是一(yi)(yi)種特(te)殊的鍋爐(lu)(lu)(lu),它的工(gong)(gong)作(zuo)介質(熱(re)(re)(re)(re)(re)(re)媒(mei))不(bu)(bu)(bu)是水(shui),而是導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)。以(yi)(yi)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)作(zuo)工(gong)(gong)作(zuo)介質,優點(dian)是可(ke)(ke)在(zai)(zai)(zai)較低(di)(di)(di)的工(gong)(gong)作(zuo)壓(ya)力下(xia)(xia)獲得較高(gao)的工(gong)(gong)作(zuo)溫(wen)(wen)度(du),以(yi)(yi)滿足(zu)工(gong)(gong)業上(shang)對低(di)(di)(di)壓(ya)高(gao)溫(wen)(wen)熱(re)(re)(re)(re)(re)(re)源的需(xu)要(yao)。比如,可(ke)(ke)以(yi)(yi)在(zai)(zai)(zai)0.8MPa的低(di)(di)(di)壓(ya)下(xia)(xia)使(shi)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)升(sheng)溫(wen)(wen)至300℃,導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)工(gong)(gong)作(zuo)壓(ya)力較低(di)(di)(di),熱(re)(re)(re)(re)(re)(re)效率高(gao),制造較為(wei)(wei)方便,操作(zuo)較為(wei)(wei)簡單,因而廣泛(fan)地應(ying)用于石化、輕工(gong)(gong)、紡織、食品、建材、交(jiao)通等各個(ge)工(gong)(gong)業部(bu)門.導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)要(yao)點(dian); 導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)的主要(yao)危險是火災。導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)一(yi)(yi)旦從導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)供熱(re)(re)(re)(re)(re)(re)系統泄(xie)漏(lou),由(you)于自身溫(wen)(wen)度(du)很高(gao),又接觸火焰或(huo)(huo)接近火焰,就(jiu)會被點(dian)燃或(huo)(huo)自燃,造成火災。另外,導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)也(ye)會因導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)帶水(shui)等原因,而發生爆炸(zha)事故。 防范(fan)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)事故須(xu)從設備(bei)和(he)介質兩方面同時著(zhu)手,一(yi)(yi)是使(shi)設備(bei)具有(you)(you)足(zu)夠的強(qiang)度(du)和(he)嚴密性,不(bu)(bu)(bu)破不(bu)(bu)(bu)漏(lou);二是使(shi)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)在(zai)(zai)(zai)受熱(re)(re)(re)(re)(re)(re)中(zhong)不(bu)(bu)(bu)過(guo)熱(re)(re)(re)(re)(re)(re),不(bu)(bu)(bu)變質,正(zheng)常(chang)流動與(yu)換熱(re)(re)(re)(re)(re)(re)。主要(yao)有(you)(you):1.導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)在(zai)(zai)(zai)啟動中(zhong)應(ying)充分排放空氣、水(shui)蒸汽(qi)和(he)輕組分。在(zai)(zai)(zai)運行(xing)中(zhong)應(ying)維(wei)持導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)足(zu)夠高(gao)的流速,防止斷電停泵,以(yi)(yi)免(mian)導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)過(guo)熱(re)(re)(re)(re)(re)(re)結焦或(huo)(huo)積(ji)碳。2.導(dao)(dao)(dao)熱(re)(re)(re)(re)(re)(re)油(you)(you)(you)(you)(you)(you)爐(lu)(lu)(lu)及供熱(re)(re)(re)(re)(re)(re)系統的安.全裝置(zhi)應(ying)齊全完好,超溫(wen)(wen)、超壓(ya)保護(hu)裝置(zhi)應(ying)靈敏可(ke)(ke)靠。
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