不銹鋼工(gong)(gong)(gong)業管(guan)道的施(shi)工(gong)(gong)(gong)過程一般包括(kuo)施(shi)工(gong)(gong)(gong)準(zhun)(zhun)備(bei)、現(xian)場(chang)安(an)裝和(he)試(shi)車(che)交工(gong)(gong)(gong)。施(shi)工(gong)(gong)(gong)準(zhun)(zhun)備(bei)包括(kuo)技術準(zhun)(zhun) 備(bei)、資源準(zhun)(zhun)備(bei)和(he)現(xian)場(chang)準(zhun)(zhun)備(bei);現(xian)場(chang)安(an)裝和(he)試(shi)車(che)包括(kuo)支吊(diao)架安(an)裝、管(guan)道組成件現(xian)場(chang)裝配和(he)焊接、管(guan)道系統試(shi)驗、吹(chui)掃和(he)防(fang)腐(fu)保溫等。
由于在線亞洲日產一區二區:不銹鋼壓力管道的用途和結構不同,具體施工程序也有所差別,化工企業管道大部分屬于工業管道,不銹鋼工業管道一般用來連接生產裝置中的各種設備以運輸工藝介質和壓縮空氣、氮氣、蒸汽等公用系統物料,為了便于操作和維修,除了少量在管溝內安裝外,一般都在地面支承結構上鋪設。其一般施工程序如圖3-1所示。埋地管道屬于隱蔽工程,由于在地下鋪設,所以不占地面空間,不影響人們的生產和生活活動,對氣候變化不敏感。但不易檢查和維修,易受地質變化影響而遭受損失,因此,埋地管道多用于管道結構比較簡單、 不需經常操作和維修的場合,在不銹鋼工業管道中則主要用于無毒、不可燃的公用系統管道的鋪設。
不銹鋼工(gong)業管(guan)(guan)(guan)(guan)(guan)道現(xian)(xian)場(chang)安裝(zhuang)是通(tong)過焊接(jie)、螺(luo)紋連接(jie)或法蘭連接(jie)等方法將(jiang)預制管(guan)(guan)(guan)(guan)(guan)段、成品閥門、管(guan)(guan)(guan)(guan)(guan) 件(jian)、緊(jin)固(gu)件(jian)、密封件(jian)、支(zhi)撐件(jian)和(he)管(guan)(guan)(guan)(guan)(guan)道附屬設備按照設計要求與其(qi)他(ta)工(gong)藝設備進行組裝(zhuang),形成完整的(de)管(guan)(guan)(guan)(guan)(guan)道體系的(de)施工(gong)過程(cheng)。根據(ju)文明施工(gong)、先(xian)易后(hou)(hou)難的(de)原則,壓(ya)力管(guan)(guan)(guan)(guan)(guan)道現(xian)(xian)場(chang)敷設應采(cai)用下列(lie)順序:先(xian)地(di)下,后(hou)(hou)地(di)上,先(xian)大(da)管(guan)(guan)(guan)(guan)(guan),后(hou)(hou)小管(guan)(guan)(guan)(guan)(guan);先(xian)夾(jia)套管(guan)(guan)(guan)(guan)(guan),后(hou)(hou)單體管(guan)(guan)(guan)(guan)(guan);先(xian)高壓(ya)管(guan)(guan)(guan)(guan)(guan),后(hou)(hou) 中、低(di)壓(ya)管(guan)(guan)(guan)(guan)(guan)。