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換(huan)(huan)熱(re)(re)器板(ban)(ban)片(pian)(pian)(pian)拆開前,應丈量板(ban)(ban)束的壓緊長度(du)尺度(du),做好記(ji)錄(lu)(重裝時(shi)應按此尺度(du)). b.密(mi)(mi)封(feng)墊片(pian)(pian)(pian)若粘(zhan)在兩板(ban)(ban)片(pian)(pian)(pian)間的溝槽內,此刻需(xu)用(yong)(yong)(yong)螺絲刀小(xiao)心腸將其分隔(ge),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(huai)換(huan)(huan)熱(re)(re)器板(ban)(ban)片(pian)(pian)(pian)和密(mi)(mi)封(feng)墊片(pian)(pian)(pian) 替換(huan)(huan)新密(mi)(mi)封(feng)墊片(pian)(pian)(pian)時(shi),需(xu)要用(yong)(yong)(yong)丙酮或其他酮類有(you)(you)機溶劑,將密(mi)(mi)封(feng)墊片(pian)(pian)(pian)溝槽擦(ca)凈.再(zai)用(yong)(yong)(yong)毛刷將合(he)成(cheng)樹脂粘(zhan)接劑均勻涂在溝槽里..查(cha)看換(huan)(huan)熱(re)(re)器板(ban)(ban)片(pian)(pian)(pian)是(shi)否有(you)(you)穿孔(kong),一(yi)般用(yong)(yong)(yong)5倍的放大鏡,有(you)(you)時(shi)也(ye)可用(yong)(yong)(yong)燈(deng)火或火油滲(shen)透法等(deng)逐片(pian)(pian)(pian)查(cha)看.e.假如發現介質出入口短管及通(tong)道(dao)有(you)(you)雜(za)物堆積,則闡(chan)明過濾器失效(xiao),應及時(shi)清洗(xi).
換熱器是一種比較常見的工業設備,能夠將熱流體設備的一部分熱量傳送到溫度相對較低的設備中。根據不同標準分類,可以將換熱器分成不同類別,不同類別的換熱器之間是存在差異的,有各自的優缺點,適用的場合也不盡相同。1、華北優質熱交換器廠家在運轉換熱設備前要先檢查全部接收能否曾經擰緊,定奪系統參數不會超越制造標簽上容許的工作壓力和溫度值。2、在啟動泵之前,應該先把容積式換熱器的全部閥門和放氣閥都翻開,封閉換熱器的進口閥。3、熱交換器廠家啟動(dong)泵后(hou),慢慢翻(fan)開(kai)泵的出口(kou)閥,使壓(ya)力慢慢上升,為防止單側超壓(ya),進(jin)容積式(shi)換熱器的兩種(zhong)介質的進(jin)口(kou)閥應該(gai)同時(shi)翻(fan)開(kai),或先遲緩(huan)地注入(ru)低壓(ya)側介質,再遲緩(huan)注入(ru)高壓(ya)測(ce)介質。
在(zai)檢(jian)修(xiu)維護換(huan)熱器(qi)汽(qi)(qi)包(bao)(bao)(bao)時發(fa)現(xian)汽(qi)(qi)包(bao)(bao)(bao)封(feng)(feng)頭(tou)(tou)泄(xie)漏,在(zai)汽(qi)(qi)包(bao)(bao)(bao)封(feng)(feng)頭(tou)(tou)的閥(fa)蓋(gai)角焊縫處出(chu)(chu)現(xian)裂紋,裂紋平(ping)行于焊縫。采(cai)用(yong)宏(hong)觀形貌分(fen)(fen)析、化學成(cheng)分(fen)(fen)分(fen)(fen)析、金相檢(jian)驗、顯微硬度測定、能譜分(fen)(fen)析以及應(ying)力(li)(li)分(fen)(fen)析等(deng)方法對泄(xie)漏處進行了分(fen)(fen)析。結果表(biao)明,汽(qi)(qi)包(bao)(bao)(bao)中水質含有較高濃度的堿性(xing)元(yuan)素和氯(lv)、硫、氧等(deng)強(qiang)腐蝕性(xing)元(yuan)素,又在(zai)焊接(jie)殘余應(ying)力(li)(li)的作用(yong)下發(fa)生(sheng)應(ying)力(li)(li)腐蝕開裂,最(zui)后導(dao)致汽(qi)(qi)包(bao)(bao)(bao)封(feng)(feng)頭(tou)(tou)產生(sheng)泄(xie)漏。應(ying)力(li)(li)腐蝕;沿晶;堿脆;軋制帶狀組織某(mou)化工廠換(huan)熱器(qi)汽(qi)(qi)包(bao)(bao)(bao)于1996年(nian)投入使用(yong),于2005年(nian)上半年(nian)維護檢(jian)修(xiu)時發(fa)現(xian)滲漏。經去(qu)除外面保溫材(cai)料后,發(fa)現(xian)汽(qi)(qi)包(bao)(bao)(bao)封(feng)(feng)頭(tou)(tou)的蓋(gai)板角焊縫位置(zhi)出(chu)(chu)現(xian)裂紋,裂紋為穿(chuan)透型,起源于汽(qi)(qi)包(bao)(bao)(bao)封(feng)(feng)頭(tou)(tou)內表(biao)面,換(huan)熱器(qi)外形尺寸(cun)(cun)為1632mm9423mm,汽(qi)(qi)包(bao)(bao)(bao)封(feng)(feng)頭(tou)(tou)外形尺寸(cun)(cun)1632mm400mm,汽(qi)(qi)包(bao)(bao)(bao)封(feng)(feng)頭(tou)(tou)材(cai)料為16MnR鋼(gang)。
隨(sui)著社會(hui)不(bu)斷的(de)(de)(de)進展(zhan),容積式換(huan)熱器逐漸走進我們(men)的(de)(de)(de)生(sheng)活,它是不(bu)僅可以進行熱量(liang)交(jiao)換(huan),而(er)且使(shi)(shi)用(yong)年限較長,通常適用(yong)于(yu)工(gong)業(ye)及(ji)民用(yong)建筑(zhu)的(de)(de)(de)熱水供應系統(tong),關于(yu)它的(de)(de)(de)知識(shi)還有哪(na)些是我們(men)不(bu)知道的(de)(de)(de)呢(ni)?下(xia)面就和小編(bian)一(yi)(yi)(yi)起看看吧。以下(xia)關于(yu)“容積式換(huan)熱器發生(sheng)問(wen)題的(de)(de)(de)原(yuan)因及(ji)其產品(pin)知識(shi)的(de)(de)(de)相(xiang)關說明”的(de)(de)(de)介紹。一(yi)(yi)(yi)、產品(pin)簡介:與傳統(tong)固定盤管(guan)相(xiang)比較,浮動(dong)(dong)盤管(guan)能(neng)上(shang)下(xia)輕微浮動(dong)(dong),產生(sheng)高頻振動(dong)(dong),形(xing)成良好(hao)紊流傳熱狀態(tai),并(bing)且它能(neng)借(jie)助通過高溫(wen)(wen)熱媒的(de)(de)(de)薄壁(bi)銅管(guan)管(guan)壁(bi)與管(guan)外壁(bi)結(jie)垢(gou)層膨脹(zhang)量(liang)的(de)(de)(de)差異,在一(yi)(yi)(yi)定條件下(xia),使(shi)(shi)水垢(gou)自動(dong)(dong)脫落。通用(yong)換(huan)熱器一(yi)(yi)(yi)般需要(yao)配置水水熱交(jiao)換(huan)器來降低蒸(zheng)汽凝結(jie)水溫(wen)(wen)度(du)以便回用(yong),而(er)此類(lei)節能(neng)型(xing)熱交(jiao)換(huan)器凝結(jie)水出水溫(wen)(wen)度(du)在45攝適度(du)左右(you),可直(zhi)接回鍋爐房重復使(shi)(shi)用(yong)。