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管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)和(he)(he)(he)列管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)的區別,管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)和(he)(he)(he)列管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)在物理構造上一(yi)模一(yi)樣,不過(guo)這倆種換(huan)(huan)(huan)熱(re)(re)器(qi)的使(shi)用(yong)方式(shi)(shi)(shi)不一(yi)樣列管(guan)(guan)(guan)式(shi)(shi)(shi)的介質(zhi)是(shi)(shi)經過(guo)的管(guan)(guan)(guan)程(cheng)(換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)里面),冷介質(zhi)通過(guo)殼(ke)(ke)(ke)程(cheng)(換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)和(he)(he)(he)殼(ke)(ke)(ke)體之間),管(guan)(guan)(guan)殼(ke)(ke)(ke)式(shi)(shi)(shi)恰恰和(he)(he)(he)他相(xiang)反。另外(wai)列管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)的結構比較簡單緊(jin)密、制作(zuo)資金少,但是(shi)(shi)換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)刻意進行(xing)機(ji)械清(qing)洗(xi)。這種換(huan)(huan)(huan)熱(re)(re)的器(qi)管(guan)(guan)(guan)束固(gu)定在管(guan)(guan)(guan)板(ban)的一(yi)端,管(guan)(guan)(guan)板(ban)又(you)分(fen)別固(gu)定在外(wai)殼(ke)(ke)(ke)兩側,而且上面的連接有頂(ding)蓋(gai),頂(ding)蓋(gai)和(he)(he)(he)殼(ke)(ke)(ke)體上裝著介質(zhi)進出口。大(da)部分(fen)列管(guan)(guan)(guan)式(shi)(shi)(shi)換(huan)(huan)(huan)熱(re)(re)器(qi)都(dou)會在換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)外(wai)面設置上很多和(he)(he)(he)管(guan)(guan)(guan)束吹制的擋板(ban)。還(huan)有就是(shi)(shi)它的換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)和(he)(he)(he)換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)板(ban)包(bao)括和(he)(he)(he)外(wai)殼(ke)(ke)(ke)的都(dou)是(shi)(shi)剛(gang)性連接,而且因為換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)內(nei)和(he)(he)(he)換(huan)(huan)(huan)熱(re)(re)管(guan)(guan)(guan)外(wai)是(shi)(shi)兩種溫(wen)度差別很大(da)的介質(zhi)。
容(rong)(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)采(cai)用(yong)高(gao)效傳(chuan)熱(re)(re)(re)(re)(re)(re)管(guan)—螺紋管(guan)作為(wei)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)元件,傳(chuan)熱(re)(re)(re)(re)(re)(re)系(xi)數高(gao),比光管(guan)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)高(gao)1—3倍(bei),流(liu)動阻力(li)(li)小(xiao),消耗動力(li)(li)少。由于在換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)內(nei)(nei)部(bu)結構(gou)上(shang)有(you)了(le)重大改進,使(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)的(de)各(ge)項性(xing)能指標均(jun)有(you)顯著提高(gao)。容(rong)(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)具(ju)備一(yi)定的(de)水存儲量(liang)(liang),在賓(bin)(bin)館、飯店(dian)、機關、學校、醫院、工(gong)廠、礦山等工(gong)業(ye)與(yu)民用(yong)建筑的(de)生活熱(re)(re)(re)(re)(re)(re)水供應(ying)系(xi)統(tong)中,應(ying)用(yong)廣泛。容(rong)(rong)積式(shi)換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)特(te)點:1. 換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)的(de)材(cai)質根據(ju)介(jie)質的(de)不同,可選用(yong)碳素(su)鋼、不銹(xiu)(SUS304,SUS316,SUS316L)、銅管(guan)及(ji)(ji)其(qi)它(ta)特(te)殊材(cai)質。2. 換(huan)(huan)熱(re)(re)(re)(re)(re)(re)器(qi)(qi)內(nei)(nei)的(de)流(liu)體(ti)充(chong)分(fen),抗(kang)垢(gou)能力(li)(li)強。3. 罐內(nei)(nei)全部(bu)儲存熱(re)(re)(re)(re)(re)(re)水,無滯水、冷水區,溶積利用(yong)率(lv)高(gao)。4. 殼體(ti)為(wei)不銹(xiu)鋼Ocr18Ni9或Q235B內(nei)(nei)襯紫(zi)銅板外(wai)壁涂(tu)漆防腐,換(huan)(huan)熱(re)(re)(re)(re)(re)(re)管(guan)采(cai)用(yong)T2紫(zi)銅管(guan)。應(ying)用(yong)領(ling)域:賓(bin)(bin)館、酒店(dian)、住宅小(xiao)區及(ji)(ji)其(qi)他生活與(yu)工(gong)業(ye)的(de)熱(re)(re)(re)(re)(re)(re)水供應(ying)。主要參數:工(gong)作壓力(li)(li):0.2~2.5Mpa產熱(re)(re)(re)(re)(re)(re)水量(liang)(liang):0.4m3/h~60m3/h
封(feng)(feng)閉(bi)(bi)式(shi)冷(leng)(leng)(leng)卻塔(ta)(ta)(ta)(ta)和管(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)同(tong)屬于水換(huan)(huan)(huan)(huan)熱冷(leng)(leng)(leng)卻裝置,有(you)著(zhu)本質的(de)(de)區別(bie)。閉(bi)(bi)式(shi)冷(leng)(leng)(leng)卻塔(ta)(ta)(ta)(ta)除了熱交換(huan)(huan)(huan)(huan)的(de)(de)過(guo)程,可(ke)以直接蒸(zheng)發吸熱,將熱量排走,而管(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)只能(neng)換(huan)(huan)(huan)(huan)熱,使用過(guo)程中還(huan)需要另外的(de)(de)設備進行(xing)排熱。今(jin)天小衛給大家詳細介紹(shao)一(yi)下管(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)和閉(bi)(bi)式(shi)冷(leng)(leng)(leng)卻塔(ta)(ta)(ta)(ta)有(you)著(zhu)哪(na)些(xie)不同(tong)之處,在(zai)現實使用過(guo)程中閉(bi)(bi)式(shi)冷(leng)(leng)(leng)卻塔(ta)(ta)(ta)(ta)替代管(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)已成趨(qu)一(yi)、封(feng)(feng)閉(bi)(bi)式(shi)冷(leng)(leng)(leng)卻塔(ta)(ta)(ta)(ta)管(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)概念(nian)及結(jie)構管(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)(shell and tube heat exchanger)又稱列管(guan)(guan)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)。是(shi)以封(feng)(feng)閉(bi)(bi)在(zai)殼(ke)(ke)體(ti)中管(guan)(guan)束的(de)(de)壁面作為傳熱面的(de)(de)間壁式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)。這種換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)結(jie)構較簡單,操作 ,可(ke)用各(ge)種結(jie)構材料(主要是(shi)金屬材料)制造,能(neng)在(zai)高管(guan)(guan)殼(ke)(ke)式(shi)換(huan)(huan)(huan)(huan)熱器(qi)(qi)(qi)由(you)殼(ke)(ke)體(ti)、傳熱管(guan)(guan)束、管(guan)(guan)板(ban)、折流板(ban)(擋板(ban))和管(guan)(guan)箱等部(bu)件(jian)組成。殼(ke)(ke)體(ti)多為圓筒形(xing),內部(bu)裝有(you)管(guan)(guan)束,管(guan)(guan)束兩端固定(ding)在(zai)管(guan)(guan)板(ban)上。
換熱器板片拆開前,應丈量板束的壓緊長度尺度,做好記錄(重裝時應按此尺度). b.熱水機組哪家好密封墊片若粘在兩板片間的溝槽內,此刻需用螺絲刀小心腸將其分隔,螺絲刀應先從易剝開的部位插入,然后沿其周邊進行別離,切不可損壞換熱器板片和密封墊片 替換新密封墊片時,需要用丙酮或其他酮類有機溶劑,將密封墊片溝槽擦凈.華北熱水機組再用毛刷將合(he)成樹脂粘接劑均勻(yun)涂(tu)在(zai)溝槽里(li)..查(cha)看(kan)換熱器板片(pian)是否有穿(chuan)孔,一(yi)般用5倍(bei)的放大鏡,有時也可用燈火(huo)或火(huo)油滲透法等逐片(pian)查(cha)看(kan).e.假如發現介質出入口短管及通道有雜(za)物堆(dui)積,則闡明過濾器失效,應(ying)及時清洗.
1. 本系(xi)列熱(re)交換(huan)器(qi),熱(re)媒(mei)既可(ke)單為(wei)蒸汽(qi)(qi)或高(gao)(gao)溫(wen)(wen)、低溫(wen)(wen)熱(re)水(shui),亦可(ke)交替使(shi)用(yong)(yong)蒸汽(qi)(qi)或高(gao)(gao)、低溫(wen)(wen)熱(re)水(shui),設計選(xuan)用(yong)(yong)時(shi)請注明熱(re)媒(mei)品種。2. 本系(xi)列熱(re)交換(huan)器(qi)必(bi)須設置安(an)(an)全(quan)(quan)裝(zhuang)(zhuang)置。下列三種可(ke)任選(xuan)其一(yi)(yi):(1) 熱(re)交換(huan)器(qi)頂部設置安(an)(an)全(quan)(quan)閥(fa),安(an)(an)全(quan)(quan)閥(fa)的選(xuan)擇(ze)、使(shi)用(yong)(yong)和安(an)(an)裝(zhuang)(zhuang)應(ying)符合勞(lao)動部頒發(fa)的《壓力容器(qi)安(an)(an)全(quan)(quan)技術監察規程(cheng)》的規定。(2) 頂部裝(zhuang)(zhuang)設接通大(da)氣的引出管(在有(you)條件的場合)。(3)裝(zhuang)(zhuang)設膨脹水(shui)箱。3. 本系(xi)列熱(re)交換(huan)器(qi)的支(zhi)座(zuo)(zuo)按標準選(xuan)用(yong)(yong),三個(ge)(ge)(ge)支(zhi)座(zuo)(zuo)中(zhong),一(yi)(yi)個(ge)(ge)(ge)固定支(zhi)座(zuo)(zuo),兩個(ge)(ge)(ge)為(wei)活動支(zhi)座(zuo)(zuo)。活動支(zhi)座(zuo)(zuo)的地(di)腳螺(luo)栓采用(yong)(yong)雙螺(luo)母,第一(yi)(yi)個(ge)(ge)(ge)螺(luo)母在加一(yi)(yi)小墊(dian)片(pian)擰緊后倒退一(yi)(yi)圈,然后用(yong)(yong)第二(er)個(ge)(ge)(ge)螺(luo)母鎖(suo)緊,以便支(zhi)座(zuo)(zuo)能在基礎上自(zi)由(you)滑動。4. 在使(shi)用(yong)(yong)中(zhong),應(ying)根據(ju)被(bei)(bei)加熱(re)水(shui)水(shui)質與使(shi)用(yong)(yong)情況定期清理水(shui)垢,當(dang)被(bei)(bei)加熱(re)水(shui)硬度較高(gao)(gao)時(shi),宜(yi)采用(yong)(yong)適宜(yi)的軟化措施(shi)