凝汽器換管銅管和不銹鋼管

發布時間:2023-09-12 01:56:01瀏覽數:

凝汽器換銅管的相關概述：

凝(ning)(ning)(ning)汽器(qi)換(huan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和不(bu)銹鋼管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)凝(ning)(ning)(ning)汽器(qi)遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)連續(xu)運(yun)行(xing)，銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)將受到腐(fu)蝕(shi)(shi)，表面結(jie)垢(gou)，降低熱(re)遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)，導(dao)致端差(cha)(cha)增、真空(kong)降低，嚴影響(xiang)機的(de)(de)(de)(de)(de)經(jing)濟。頻繁的(de)(de)(de)(de)(de)酸洗或(huo)(huo)壓水(shui)(shui)清(qing)洗，會使(shi)(shi)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)壁因腐(fu)蝕(shi)(shi)或(huo)(huo)沖刷而減薄。銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)泄(xie)會破壞(huai)凝(ning)(ning)(ning)汽器(qi)水(shui)(shui)側封，循環水(shui)(shui)的(de)(de)(de)(de)(de)入(ru)(ru)使(shi)(shi)得凝(ning)(ning)(ning)結(jie)水(shui)(shui)質(zhi)變壞(huai)，隨著泄(xie)加劇，致使(shi)(shi)給水(shui)(shui)、爐水(shui)(shui)及蒸汽的(de)(de)(de)(de)(de)水(shui)(shui)汽化(hua)(hua)(hua)，當采取措(cuo)施后，水(shui)(shui)質(zhi)仍(reng)不(bu)能恢復(fu)正而被迫停機。凝(ning)(ning)(ning)汽器(qi)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)經(jing)發(fa)(fa)生(sheng)泄(xie)，會加速鍋爐管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道腐(fu)蝕(shi)(shi)、結(jie)垢(gou)，甚(shen)至發(fa)(fa)生(sheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)事故(gu)。所以銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)泄(xie)嚴時，除(chu)堵處(chu)理(li)(li)外，還應(ying)有(you)(you)計劃地(di)換(huan)。　　華(hua)北(bei)電(dian)網近兩年(nian)對有(you)(you)關電(dian)廠(chang)(chang)泄(xie)較為(wei)嚴或(huo)(huo)失效(xiao)的(de)(de)(de)(de)(de)凝(ning)(ning)(ning)汽器(qi)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)進行(xing)了(le)換(huan)，我(wo)廠(chang)(chang)1號機凝(ning)(ning)(ning)汽器(qi)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)也(ye)進行(xing)了(le)換(huan)。1號機是(shi)北(bei)京型電(dian)機廠(chang)(chang)生(sheng)產的(de)(de)(de)(de)(de)單缸100 MW機，凝(ning)(ning)(ning)汽器(qi)換(huan)HSn70-1B銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)后運(yun)行(xing)年(nian)，情況較。安裝(zhuang)后灌水(shui)(shui)試驗(yan)時驗(yan)出4根(gen)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)泄(xie)，都屬于穿(chuan)透砂眼(yan)缺陷。該4根(gen)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)換(huan)后，消除(chu)了(le)泄(xie)。凝(ning)(ning)(ning)汽器(qi)端差(cha)(cha)由(you)8℃降低到2.5℃，遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)。投入(ru)(ru)膠球清(qing)洗及二(er)次濾網系裝(zhuang)置后，遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)得到了(le)保(bao)持。針對我(wo)廠(chang)(chang)換(huan)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)經(jing)驗(yan)和教訓，作者(zhe)認為(wei)凝(ning)(ning)(ning)汽器(qi)換(huan)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)應(ying)注意以下(xia)(xia)幾個問(wen)題。　　銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)選材(cai)(cai)是(shi)基礎　　凝(ning)(ning)(ning)汽器(qi)的(de)(de)(de)(de)(de)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)要(yao)(yao)求較的(de)(de)(de)(de)(de)平(ping)均(jun)熱(re)系數，較強的(de)(de)(de)(de)(de)抗(kang)腐(fu)蝕(shi)(shi)和抗(kang)沖刷能力。現各電(dian)廠(chang)(chang)普遍采用HSn70-1B遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和B30白銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(其B30白銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安裝(zhuang)在空(kong)氣(qi)收縮區，數量(liang)較少)。HSn70-1B遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)在原HSn70-1A遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)基礎上添(tian)加硼元素(su)，以細(xi)化(hua)(hua)(hua)晶粒，提抗(kang)腐(fu)蝕(shi)(shi)及抗(kang)沖刷。HSn70-1B遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)銅(tong)(tong)(tong)(tong)(tong)(tong)冶金時加入(ru)(ru)硼元素(su)，工藝要(yao)(yao)求復(fu)雜，工藝不(bu)當，加入(ru)(ru)的(de)(de)(de)(de)(de)硼元素(su)會分布(bu)不(bu)均(jun)勻，造銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內部(bu)局部(bu)晶粒過(guo)于細(xi)化(hua)(hua)(hua)，脆(cui)增加，殘(can)余應(ying)力加，易(yi)使(shi)(shi)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)產生(sheng)裂紋。由(you)于這種缺陷很難出，而為(wei)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)泄(xie)的(de)(de)(de)(de)(de)隱(yin)患(huan)。作者(zhe)認為(wei)，只有(you)(you)提產的(de)(de)(de)(de)(de)，才(cai)能保(bao)銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)渦流探傷、機械能試驗(yan)、氨熏試驗(yan)、外形尺寸公(gong)差(cha)(cha)的(de)(de)(de)(de)(de)合(he)格率。　　目，發(fa)(fa)電(dian)廠(chang)(chang)遙(yao)(yao)(yao)(yao)(yao)(yao)遙(yao)(yao)(yao)(yao)(yao)(yao)的(de)(de)(de)(de)(de)凝(ning)(ning)(ning)汽器(qi)HSn70-1B銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)要(yao)(yao)由(you)沈陽、洛陽、上海、西(xi)北(bei)(甘肅省白銀市)、長沙等幾個廠(chang)(chang)家生(sheng)產。下(xia)(xia)花園發(fa)(fa)電(dian)廠(chang)(chang)部(bu)選用甘肅銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)廠(chang)(chang)生(sheng)產的(de)(de)(de)(de)(de)西(xi)北(bei)銅(tong)(tong)(tong)(tong)(tong)(tong)。各廠(chang)(chang)家生(sheng)產、驗(yan)手差(cha)(cha)別不(bu)，但泄(xie)程度不(bu)樣，關鍵在于驗(yan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)。為(wei)方(fang)便管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)理(li)(li)，建議同機銅(tong)(tong)(tong)(tong)(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)種過(guo)、材(cai)(cai)質(zhi)過(guo)雜.

凝汽器換不銹鋼管的相關概述：

凝汽器是汽輪發電機要的冷設備，由于江河湖海水系的污染，使凝汽器冷卻管腐蝕速度加劇，造凝汽器頻繁發生泄，嚴影響正生產。別是銅管易受氨離子、硫化物等腐蝕而造泄，同時由于銅管內壁不光滑易附著微生物及各種污垢，使銅管的遙遙降低。?
凝汽器-汽輪機凝汽器304/316l不銹鋼管換熱管焊接鋼管要用于火力發電、化工、鋼鐵等行業的加熱器換304/316l不銹鋼管，冷油器換304/316l不銹鋼管，冷水器換304/316l不銹鋼管，取樣冷卻器換304/316l不銹鋼管，抽氣冷卻器換304/316l不銹鋼管，換熱器換304/316l不銹鋼管，軸封加熱器換304/316l不銹鋼管，壓加熱器換304/316l不銹鋼管，低壓加熱器換304/316l不銹鋼管，壓力容器，空氣冷卻器等等。凝汽器-汽輪機凝汽器304/316l不銹鋼管換熱管規格：直徑Ф12～Ф76mm，壁厚0.2～3.0mm，長度分尺和不尺兩種。用的材質不銹鋼管型號有：304、304L、316、316L、317、317L。?
凝(ning)汽器-汽輪機(ji)凝(ning)汽器304/316l不(bu)銹(xiu)(xiu)鋼管(guan)(guan)(guan)換熱(re)管(guan)(guan)(guan)焊接(jie)鋼管(guan)(guan)(guan)是引進制管(guan)(guan)(guan)設備制造而，與不(bu)銹(xiu)(xiu)鋼管(guan)(guan)(guan)材(cai)(cai)相當或略強，焊縫金相織(zhi)與母材(cai)(cai)樣，強度等機(ji)械能略。由于(yu)不(bu)銹(xiu)(xiu)鋼管(guan)(guan)(guan)帶(dai)材(cai)(cai)厚薄(bo)均勻(yun)，表面光滑平整，其確比同種材(cai)(cai)質的冷撥(bo)、熱(re)軋(ya)縫不(bu)銹(xiu)(xiu)鋼管(guan)(guan)(guan)。延伸率于(yu)35%，并且硬度小(xiao)，易于(yu)脹接(jie)。

凝(ning)汽器-汽輪機凝(ning)汽器304/316l不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)換(huan)熱(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)分類(lei)規格：不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)光管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)螺紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)波紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),201不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)螺紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),304不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)螺紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),316L不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)螺紋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)U形管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)翅片管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng), 我公司自行開發研制(zhi)的不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)換(huan)熱(re)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)選(xuan)用不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)帶(dai)材，冷拉(la)、熱(re)拉(la)形及帶(dai)鋼(gang)(gang)(gang)，經過卷制(zhi)、焊接、探傷(shang)、滾壓、打磨、固熔、拋光等(deng)條龍304不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、316L不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)生產加(jia)工而(er)；可根據用戶的際(ji)需要(yao)，生產不(bu)(bu)(bu)同管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑、壁厚、長度(du)形式等(deng)各(ge)種不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)規格的管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材。

我公(gong)司(si)生產的簿壁304/316l不銹鋼(gang)光(guang)管具有以下：

1.凝汽器(qi)(qi)-汽輪機(ji)凝汽器(qi)(qi)304/316l不銹鋼(gang)管換熱(re)管熱(re)能(neng)，由(you)于(yu)不銹鋼(gang)管壁可采(cai)用0.5-0.7mm的(de)薄壁不銹鋼(gang)管材，提(ti)了整體(ti)(ti)換熱(re)能(neng)，在相同的(de)換熱(re)面積下，總(zong)體(ti)(ti)的(de)304/316l不銹鋼(gang)管換熱(re)管熱(re)系(xi)數比銅管提(ti)2.124-8.408％。

2.由于304/316l不(bu)銹鋼(gang)管換熱管材(cai)質采用美(mei)標準AISl304、316l等(deng)不(bu)銹合金鋼(gang)，使其具有較的硬度(du)，不(bu)銹鋼(gang)管子的鋼(gang)度(du)也(ye)明提。因此，具有很強的溫蒸汽的沖擊能及抗(kang)振能。

3.由(you)于(yu)304/316不銹鋼(gang)管子內(nei)壁(bi)光滑，使得其(qi)邊界(jie)層(ceng)(ceng)流底層(ceng)(ceng)厚度減(jian)薄(bo)，既強化換熱(re)，又提了抗(kang)結(jie)垢(gou)能。

4.裝凝汽(qi)器(qi)-汽(qi)輪機凝汽(qi)器(qi)304/316l不(bu)銹(xiu)鋼(gang)管(guan)換(huan)熱(re)管(guan)工(gong)藝(yi)能，采(cai)用(yong)的(de)(de)脹管(guan)工(gong)藝(yi)，304/316l不(bu)銹(xiu)鋼(gang)管(guan)換(huan)熱(re)管(guan)外徑公差與銅管(guan)致，不(bu)需改變管(guan)板孔的(de)(de)加(jia)工(gong)公差，利于現場(chang)直接選用(yong)，別方便機的(de)(de)304/316l不(bu)銹(xiu)鋼(gang)管(guan)換(huan)熱(re)管(guan)換(huan)管(guan)束改造。

5.304/316l不銹鋼(gang)管(guan)換熱管(guan)經濟，在同(tong)等(deng)換熱面(mian)積下(xia)，不銹鋼(gang)管(guan)的本約為銅管(guan)本的80％左(zuo)右(you)，并可直接進(jin)行換管(guan)束改造。

6.為了消除304/316l不銹鋼管換(huan)熱(re)管焊接應力(li)，在保護氣體(ti)以1050℃溫進行熱(re)處理。

7.所有304/316l不銹(xiu)鋼管(guan)換熱(re)管(guan)鋼管(guan)均采(cai)用(yong)壓(ya)差法進行(xing)泄查，氣(qi)壓(ya)試驗至(zhi)1.0Mpa，5分(fen)鐘壓(ya)降。