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鈦管的特性!

2023-10-30 10:38:09

1.鈦管的壁厚

??導(dao)熱管(guan)壁(bi)厚(hou)(hou)由(you)使(shi)用(yong)條件,管(guan)板材料、擴管(guan)作業的(de)施工能(neng)力、管(guan)端的(de)焊(han)接(jie)技術等來決定,由(you)于導(dao)熱管(guan)直徑小,對強度要求不高,因此實際使(shi)用(yong)中采(cai)用(yong)壁(bi)厚(hou)(hou)較(jiao)薄的(de)管(guan)材,一(yi)般,銅(tong)合金管(guan)等壁(bi)厚(hou)(hou)為0.9mm-1.2mm;用(yong)鈦管(guan)代(dai)替(ti),在腐蝕性(xing)小的(de)地方,可用(yong)壁(bi)厚(hou)(hou)為0.3mm的(de)薄壁(bi)焊(han)管(guan)。

2.的導熱性

??由于導熱(re)管(guan)的材質不同(tong),熱(re)導率也不同(tong),如鈦為(wei)(wei)17W/(m·k),鋁(lv)黃(huang)銅(tong)(tong)(tong)為(wei)(wei)lOOW/(m·k),70/30白銅(tong)(tong)(tong)為(wei)(wei)29W/(m·k),因此,可通過壁厚的變化控制導熱(re)管(guan)的導熱(re)效果。在以上材料中,鈦的熱(re)導率小.如使用薄壁鈦焊管(guan),導熱(re)性(xing)雖然比鋁(lv)黃(huang)銅(tong)(tong)(tong)差,但與90/10白銅(tong)(tong)(tong)相(xiang)當(dang),比70/30白銅(tong)(tong)(tong)的要好。

3.鈦管的經濟性

??鈦(tai)管(guan)(guan)(guan)的(de)(de)單(dan)位質(zhi)量價(jia)(jia)(jia)格比(bi)銅(tong)(tong)(tong)合(he)金貴2—6倍,但從性價(jia)(jia)(jia)比(bi)上考慮(lv),鈦(tai)管(guan)(guan)(guan)價(jia)(jia)(jia)格可與(yu)銅(tong)(tong)(tong)合(he)金管(guan)(guan)(guan)抗衡,由于鈦(tai)的(de)(de)密度低,壁厚相同時,同等長度的(de)(de)鈦(tai)管(guan)(guan)(guan)質(zhi)量只是銅(tong)(tong)(tong)合(he)金管(guan)(guan)(guan)的(de)(de)50%,當(dang)鈦(tai)管(guan)(guan)(guan)壁厚為銅(tong)(tong)(tong)合(he)金管(guan)(guan)(guan)的(de)(de)50%時,相同傳熱面積(ji)的(de)(de)鈦(tai)管(guan)(guan)(guan)質(zhi)量僅為銅(tong)(tong)(tong)合(he)金管(guan)(guan)(guan)的(de)(de)1/4,按目前的(de)(de)價(jia)(jia)(jia)格水平,采用薄壁鈦(tai)焊(han)管(guan)(guan)(guan)的(de)(de)整體(ti)價(jia)(jia)(jia)格與(yu)鋁銅(tong)(tong)(tong)管(guan)(guan)(guan)相同,比(bi)白銅(tong)(tong)(tong)管(guan)(guan)(guan)還便宜。可見,鈦(tai)管(guan)(guan)(guan)在(zai)價(jia)(jia)(jia)格方(fang)面是有競爭力的(de)(de)。


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