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不銹鋼管道敷設(she)方式，無論在室(shi)內或(huo)室(shi)外，歸納起(qi)來(lai)有三種：無溝(gou)(gou)埋地(di)敷設(she)、地(di)溝(gou)(gou)敷設(she)及(ji)架空敷設(she)。 1.無溝(gou)(gou)埋地(di)敷設(she) 埋地(di)敷設(she)適用于一般場地(di)的上水、下水、煤氣(qi)、壓縮空氣(qi)等常溫狀態的管道工程(cheng)。管溝(gou)(gou)開挖的斷面(mian)形(xing)式應根據現場土質(zhi)、地(di)下水位、管徑大小、埋深(shen)情況(kuang)及(ji)施(shi)工方法而(er)定(ding)...
減(jian)(jian)壓(ya)(ya)閥(fa)的(de)閥(fa)體(ti)應(ying)垂直安裝(zhuang)在水平管(guan)(guan)道上，兩側應(ying)裝(zhuang)切斷閥(fa)門，一般(ban)采(cai)用法蘭(lan)截止閥(fa)，并由(you)旁通(tong)(tong)管(guan)(guan)連通(tong)(tong)。接旁通(tong)(tong)管(guan)(guan)的(de)目的(de)是一旦(dan)減(jian)(jian)壓(ya)(ya)閥(fa)發生故障需要(yao)更換(huan)時，可(ke)以(yi)臨(lin)時流(liu)通(tong)(tong)。減(jian)(jian)壓(ya)(ya)前的(de)管(guan)(guan)徑應(ying)與(yu)減(jian)(jian)壓(ya)(ya)閥(fa)的(de)公稱尺(chi)寸(cun)相同，減(jian)(jian)壓(ya)(ya)閥(fa)后面的(de)管(guan)(guan)徑應(ying)比減(jian)(jian)壓(ya)(ya)閥(fa)公稱尺(chi)寸(cun)大1~2擋，減(jian)(jian)壓(ya)(ya)閥(fa)與(yu)管(guan)(guan)子之間應(ying)有大...
1.管道(dao)標(biao)準(zhun)化(hua)的(de)作(zuo)用(yong)(yong) 標(biao)準(zhun)化(hua)是伴隨(sui)著近(jin)代工(gong)業和現(xian)代科(ke)學(xue)(xue)技術(shu)發展而形(xing)成(cheng)的(de)管理科(ke)學(xue)(xue)。管道(dao)工(gong)程(cheng)標(biao)準(zhun)化(hua)是管道(dao)工(gong)程(cheng)現(xian)代化(hua)的(de)重要組成(cheng)部分。其主要作(zuo)用(yong)(yong)如下。 ①.提高管道(dao)工(gong)程(cheng)的(de)經濟效益。通過(guo)管道(dao)工(gong)程(cheng)標(biao)準(zhun)化(hua)，使設(she)(she)計、材(cai)料和設(she)(she)備(bei)加工(gong)以及(ji)施工(gong)、運行管理以科(ke)學(xue)(xue)的(de)...
1.按(an)服(fu)務對(dui)象分類(lei) ①.管(guan)(guan)道(dao)(dao)(dao)工(gong)程按(an)其服(fu)務對(dui)象的(de)不同，可大(da)體分為(wei)兩(liang)大(da)類(lei)：一類(lei)是(shi)在(zai)工(gong)業生(sheng)產中(zhong)輸送(song)介質的(de)管(guan)(guan)道(dao)(dao)(dao)，稱為(wei)工(gong)業管(guan)(guan)道(dao)(dao)(dao)；另一類(lei)是(shi)在(zai)設施(shi)中(zhong)或為(wei)改變勞動、工(gong)作(zuo)或生(sheng)活條件(jian)而(er)輸送(song)介質的(de)管(guan)(guan)道(dao)(dao)(dao)，主要指(zhi)暖衛管(guan)(guan)道(dao)(dao)(dao)或水暖管(guan)(guan)道(dao)(dao)(dao)，有時又(you)統稱衛生(sheng)工(gong)程管(guan)(guan)道(dao)(dao)(dao)。 ②.工(gong)業管(guan)(guan)道(dao)(dao)(dao)有些則(ze)...
①.不(bu)銹鋼管道安(an)裝一般應(ying)具備下列條件：與(yu)管道有關的土建工(gong)程經檢査(cha)合格(ge)，滿足安(an)裝要求(qiu)；與(yu)管道連接的設備找正合格(ge)、固定完(wan)(wan)畢(bi)；必須(xu)在不(bu)銹鋼管道安(an)裝前完(wan)(wan)成(cheng)的有關工(gong)序如脫脂、內部防腐(fu)與(yu)襯里等(deng)(deng)已(yi)進(jin)行完(wan)(wan)畢(bi)；管子(zi)、管件及閥門等(deng)(deng)已(yi)按設計要求(qiu)核對無(wu)誤并經檢驗(yan)合格(ge)，具備有關的技(ji)術證件，內...
外觀(guan)檢(jian)(jian)驗應覆蓋施(shi)(shi)工(gong)的全過(guo)程(cheng)。施(shi)(shi)工(gong)開始時，應對(dui)(dui)進(jin)場的材料進(jin)行外觀(guan)檢(jian)(jian)驗，施(shi)(shi)工(gong)過(guo)程(cheng)中(zhong)應按工(gong)序對(dui)(dui)安裝質(zhi)量(liang)進(jin)行檢(jian)(jian)驗。①.不(bu)銹鋼管道、配件(jian)(jian)及(ji)支承件(jian)(jian)材料應具(ju)有出廠質(zhi)量(liang)證明書，其(qi)質(zhi)量(liang)不(bu)得低于現(xian)行國家標準(zhun)。其(qi)材質(zhi)、規格、型號(hao)、質(zhi)量(liang)應符合設計文件(jian)(jian)的規定。②.施(shi)(shi)工(gong)過(guo)程(cheng)中(zhong)分項工(gong)程(cheng)也應進(jin)行外觀(guan)檢(jian)(jian)驗；不(bu)...
不(bu)銹鋼工(gong)業管(guan)道(dao)(dao)的(de)安裝施(shi)(shi)(shi)工(gong)，一(yi)般可分為熟悉圖紙資料、管(guan)道(dao)(dao)測繪、管(guan)道(dao)(dao)預制(zhi)加工(gong)、不(bu)銹鋼管(guan)安裝以(yi)及管(guan)道(dao)(dao)的(de)試壓、吹洗、脫(tuo)脂、防腐(fu)、絕(jue)熱、試車、交工(gong)等程序。這種程序有它自己的(de)客觀規律(lv)性，管(guan)道(dao)(dao)安裝施(shi)(shi)(shi)工(gong)只有符合這種規律(lv)，才能確保施(shi)(shi)(shi)工(gong)的(de)安全、質量和進(jin)度(du)。 施(shi)(shi)(shi)工(gong)準(zhun)備是工(gong)程施(shi)(shi)(shi)...
不銹鋼(gang)(gang)工(gong)(gong)(gong)業管(guan)(guan)(guan)道(dao)的施工(gong)(gong)(gong)過程(cheng)(cheng)一(yi)般包(bao)括(kuo)施工(gong)(gong)(gong)準(zhun)(zhun)備、現場(chang)安(an)裝(zhuang)(zhuang)和(he)試(shi)(shi)車(che)交工(gong)(gong)(gong)。施工(gong)(gong)(gong)準(zhun)(zhun)備包(bao)括(kuo)技術準(zhun)(zhun)備、資源準(zhun)(zhun)備和(he)現場(chang)準(zhun)(zhun)備；現場(chang)安(an)裝(zhuang)(zhuang)和(he)試(shi)(shi)車(che)包(bao)括(kuo)支吊架安(an)裝(zhuang)(zhuang)、管(guan)(guan)(guan)道(dao)組(zu)成件現場(chang)裝(zhuang)(zhuang)配和(he)焊接、管(guan)(guan)(guan)道(dao)系統試(shi)(shi)驗、吹掃(sao)和(he)防腐(fu)保溫等。 由于不銹鋼(gang)(gang)壓力(li)管(guan)(guan)(guan)道(dao)的用途(tu)和(he)結(jie)構不同，具體施工(gong)(gong)(gong)程(cheng)(cheng)序(xu)也有所差(cha)別，...
1.現場 管道等施(shi)工(gong)的(de)(de)(de)場所。2.管道預制 道裝(zhuang)配(pei)前進行管子的(de)(de)(de)調直、切(qie)割、坡口或螺紋加工(gong)、彎(wan)曲以及管段預組裝(zhuang)等的(de)(de)(de)預制工(gong)作。3.允許偏差 標準規定(ding)的(de)(de)(de)施(shi)工(gong)或制造誤差的(de)(de)(de)限定(ding)范圍。4.管子冷彎(wan) 溫度(du)低于金臨界點Ac1,時的(de)(de)(de)彎(wan)管操作。5....
1.管(guan)道腐(fu)蝕(shi) 由于化(hua)(hua)學(xue)或電化(hua)(hua)學(xue)作用，引(yin)起(qi)管(guan)道的消損破壞(huai)。 ①.化(hua)(hua)學(xue)腐(fu)蝕(shi) 不導電的液體(ti)及干燥的氣體(ti)造(zao)成的腐(fu)蝕(shi)。 ②.電化(hua)(hua)學(xue)腐(fu)蝕(shi) 由電化(hua)(hua)學(xue)反(fan)應（即有(you)氧化(hua)(hua)和還原的化(hua)(hua)學(xue)反(fan)應）造(zao)成的腐(fu)蝕(shi)。主 ...
1.工(gong)藝設備(bei) 工(gong)藝裝置內(nei)為實(shi)現工(gong)藝過程所需的容器(qi)（反(fan)應、換(huan)熱、分離、、儲存）、工(gong)業爐、機、泵(beng)(beng)以及有關機械等(deng)的總(zong)稱。2.建筑物 直(zhi)接在其內(nei)部進行(xing)生產(chan)活(huo)動或生活(huo)活(huo)動的廠(chang)房，如控制室、配(pei)電室、泵(beng)(beng)房、壓縮機房、更(geng)衣室等(deng)房屋的總(zong)稱。3....
1.管(guan)道(dao)振動(dong)(dong) 由于管(guan)內介質的(de)不規則流動(dong)(dong)或由于某種周期(qi)性(xing)外力的(de)作用，管(guan)道(dao)相對于其平衡位置(zhi)所做(zuo)的(de)往復運動(dong)(dong)。 2.流體(ti)脈(mo)動(dong)(dong) 管(guan)道(dao)內流體(ti)因速度或壓(ya)力不穩定(ding)而(er)形成的(de)呈周期(qi)性(xing)變化的(de)流動(dong)(dong)狀態。3.脈(mo)動(dong)(dong)振動(dong)(dong)由于流體(ti)脈(mo)動(dong)(dong)而(er)引起的(de)管(guan)道(dao)振動(dong)(dong)。4.管(guan)道(dao)喘振&nb...
