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不銹鋼(gang)管(guan)(guan)(guan)道(dao)敷(fu)(fu)設方式，無(wu)論(lun)在室內或(huo)室外，歸納(na)起來有(you)三種：無(wu)溝埋(mai)地(di)(di)(di)敷(fu)(fu)設、地(di)(di)(di)溝敷(fu)(fu)設及(ji)架(jia)空(kong)敷(fu)(fu)設。 1.無(wu)溝埋(mai)地(di)(di)(di)敷(fu)(fu)設 埋(mai)地(di)(di)(di)敷(fu)(fu)設適用(yong)于一般場地(di)(di)(di)的上水(shui)(shui)、下水(shui)(shui)、煤氣(qi)(qi)、壓(ya)縮(suo)空(kong)氣(qi)(qi)等常(chang)溫狀態的管(guan)(guan)(guan)道(dao)工程。管(guan)(guan)(guan)溝開挖的斷面形式應(ying)根(gen)據現場土質、地(di)(di)(di)下水(shui)(shui)位(wei)、管(guan)(guan)(guan)徑大小(xiao)、埋(mai)深情況及(ji)施工方法而定...
減(jian)(jian)壓閥(fa)(fa)(fa)的閥(fa)(fa)(fa)體應垂直安裝在水平管(guan)道上，兩(liang)側應裝切斷閥(fa)(fa)(fa)門，一般(ban)采用(yong)法蘭截止閥(fa)(fa)(fa)，并由旁通(tong)(tong)管(guan)連通(tong)(tong)。接旁通(tong)(tong)管(guan)的目的是一旦減(jian)(jian)壓閥(fa)(fa)(fa)發(fa)生故障需要更換(huan)時，可以臨(lin)時流通(tong)(tong)。減(jian)(jian)壓前(qian)的管(guan)徑(jing)應與(yu)(yu)減(jian)(jian)壓閥(fa)(fa)(fa)的公(gong)稱(cheng)尺寸(cun)相同，減(jian)(jian)壓閥(fa)(fa)(fa)后面的管(guan)徑(jing)應比減(jian)(jian)壓閥(fa)(fa)(fa)公(gong)稱(cheng)尺寸(cun)大(da)1~2擋，減(jian)(jian)壓閥(fa)(fa)(fa)與(yu)(yu)管(guan)子(zi)之間應有大(da)...
1.管(guan)(guan)道(dao)(dao)(dao)標(biao)準化的(de)作(zuo)用(yong) 標(biao)準化是(shi)伴隨著近代(dai)工業和現代(dai)科(ke)(ke)學技術發展而形成的(de)管(guan)(guan)理科(ke)(ke)學。管(guan)(guan)道(dao)(dao)(dao)工程標(biao)準化是(shi)管(guan)(guan)道(dao)(dao)(dao)工程現代(dai)化的(de)重要(yao)組成部(bu)分。其主要(yao)作(zuo)用(yong)如下。 ①.提高(gao)管(guan)(guan)道(dao)(dao)(dao)工程的(de)經濟效(xiao)益。通過管(guan)(guan)道(dao)(dao)(dao)工程標(biao)準化，使(shi)設(she)計、材料和設(she)備加工以(yi)及施工、運(yun)行管(guan)(guan)理以(yi)科(ke)(ke)學的(de)...
1.按服(fu)務(wu)對(dui)象分類 ①.管(guan)(guan)道(dao)工(gong)程按其服(fu)務(wu)對(dui)象的(de)不同，可(ke)大(da)體分為兩大(da)類：一類是在工(gong)業生(sheng)(sheng)產中輸送介質的(de)管(guan)(guan)道(dao)，稱(cheng)為工(gong)業管(guan)(guan)道(dao)；另一類是在設施中或為改變勞動、工(gong)作(zuo)或生(sheng)(sheng)活條件而輸送介質的(de)管(guan)(guan)道(dao)，主要指(zhi)暖衛管(guan)(guan)道(dao)或水(shui)暖管(guan)(guan)道(dao)，有時(shi)又統稱(cheng)衛生(sheng)(sheng)工(gong)程管(guan)(guan)道(dao)。 ②.工(gong)業管(guan)(guan)道(dao)有些(xie)則...
①.不銹(xiu)鋼管道(dao)(dao)安(an)裝(zhuang)一般應(ying)具備(bei)下列條(tiao)件(jian)(jian)：與(yu)管道(dao)(dao)有關的土建工程經檢査合(he)格，滿足安(an)裝(zhuang)要求(qiu)；與(yu)管道(dao)(dao)連接(jie)的設備(bei)找正合(he)格、固(gu)定完畢；必須在不銹(xiu)鋼管道(dao)(dao)安(an)裝(zhuang)前(qian)完成的有關工序如脫脂、內部防腐與(yu)襯(chen)里等(deng)(deng)已進行完畢；管子(zi)、管件(jian)(jian)及(ji)閥門(men)等(deng)(deng)已按(an)設計(ji)要求(qiu)核對無誤(wu)并經檢驗合(he)格，具備(bei)有關的技(ji)術證件(jian)(jian)，內...
外觀檢(jian)驗應(ying)覆蓋施(shi)工(gong)的(de)全過程。施(shi)工(gong)開始時，應(ying)對進場的(de)材(cai)料進行(xing)外觀檢(jian)驗，施(shi)工(gong)過程中(zhong)應(ying)按(an)工(gong)序對安裝(zhuang)質量(liang)進行(xing)檢(jian)驗。①.不銹鋼管(guan)道、配(pei)件(jian)及支承件(jian)材(cai)料應(ying)具有出(chu)廠(chang)質量(liang)證明書，其質量(liang)不得低于現(xian)行(xing)國家標準。其材(cai)質、規(gui)格、型號(hao)、質量(liang)應(ying)符合(he)設計(ji)文件(jian)的(de)規(gui)定。②.施(shi)工(gong)過程中(zhong)分項工(gong)程也應(ying)進行(xing)外觀檢(jian)驗；不...
不(bu)銹鋼工(gong)(gong)(gong)業管(guan)(guan)道(dao)(dao)的(de)安裝(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)，一般可分為熟悉圖紙資(zi)料(liao)、管(guan)(guan)道(dao)(dao)測繪、管(guan)(guan)道(dao)(dao)預制加工(gong)(gong)(gong)、不(bu)銹鋼管(guan)(guan)安裝(zhuang)(zhuang)以及管(guan)(guan)道(dao)(dao)的(de)試壓、吹洗、脫脂、防腐、絕熱、試車、交工(gong)(gong)(gong)等程(cheng)序。這種程(cheng)序有(you)它自己的(de)客觀規律性，管(guan)(guan)道(dao)(dao)安裝(zhuang)(zhuang)施(shi)工(gong)(gong)(gong)只有(you)符合這種規律，才能(neng)確保施(shi)工(gong)(gong)(gong)的(de)安全、質量和進度(du)。 施(shi)工(gong)(gong)(gong)準備是工(gong)(gong)(gong)程(cheng)施(shi)...
不銹(xiu)鋼(gang)工(gong)業管(guan)(guan)道(dao)的施(shi)(shi)工(gong)過程一般包(bao)括施(shi)(shi)工(gong)準備(bei)、現(xian)(xian)場(chang)安裝(zhuang)和(he)(he)試車交工(gong)。施(shi)(shi)工(gong)準備(bei)包(bao)括技術準備(bei)、資源(yuan)準備(bei)和(he)(he)現(xian)(xian)場(chang)準備(bei)；現(xian)(xian)場(chang)安裝(zhuang)和(he)(he)試車包(bao)括支吊架安裝(zhuang)、管(guan)(guan)道(dao)組成件現(xian)(xian)場(chang)裝(zhuang)配和(he)(he)焊接、管(guan)(guan)道(dao)系統試驗、吹掃(sao)和(he)(he)防腐保溫(wen)等。 由(you)于不銹(xiu)鋼(gang)壓力管(guan)(guan)道(dao)的用途和(he)(he)結(jie)構不同，具體(ti)施(shi)(shi)工(gong)程序(xu)也有所差別，...
1.現場(chang)(chang) 管道(dao)等施工的場(chang)(chang)所。2.管道(dao)預(yu)制(zhi) 道(dao)裝配前進行管子的調直、切(qie)割、坡(po)口或螺(luo)紋加(jia)工、彎(wan)曲以(yi)及(ji)管段預(yu)組裝等的預(yu)制(zhi)工作。3.允(yun)許偏差 標準規定的施工或制(zhi)造誤差的限定范圍。4.管子冷彎(wan) 溫(wen)度低于金臨界點Ac1,時的彎(wan)管操作。5....
1.管道腐(fu)蝕(shi) 由于(yu)化(hua)(hua)學(xue)(xue)(xue)或電化(hua)(hua)學(xue)(xue)(xue)作用，引(yin)起管道的消損破壞。 ①.化(hua)(hua)學(xue)(xue)(xue)腐(fu)蝕(shi) 不導電的液體及干燥(zao)的氣(qi)體造(zao)成(cheng)的腐(fu)蝕(shi)。 ②.電化(hua)(hua)學(xue)(xue)(xue)腐(fu)蝕(shi) 由電化(hua)(hua)學(xue)(xue)(xue)反(fan)應（即(ji)有(you)氧化(hua)(hua)和還原(yuan)的化(hua)(hua)學(xue)(xue)(xue)反(fan)應）造(zao)成(cheng)的腐(fu)蝕(shi)。主 ...
1.工(gong)藝(yi)(yi)設(she)備 工(gong)藝(yi)(yi)裝置內(nei)(nei)為實(shi)現工(gong)藝(yi)(yi)過(guo)程所(suo)需的(de)容器（反(fan)應、換熱、分離(li)、、儲(chu)存(cun)）、工(gong)業爐、機(ji)(ji)、泵以及(ji)有關機(ji)(ji)械等的(de)總稱。2.建筑(zhu)物 直接在其(qi)內(nei)(nei)部進(jin)行(xing)生產活(huo)動(dong)或生活(huo)活(huo)動(dong)的(de)廠房，如控(kong)制(zhi)室(shi)、配電室(shi)、泵房、壓縮機(ji)(ji)房、更衣室(shi)等房屋的(de)總稱。3....
1.管(guan)道(dao)振動(dong)(dong)(dong) 由(you)于管(guan)內介質(zhi)的(de)(de)(de)(de)不規則(ze)流(liu)動(dong)(dong)(dong)或(huo)由(you)于某種周期性外力(li)的(de)(de)(de)(de)作用，管(guan)道(dao)相對于其平衡位置所做的(de)(de)(de)(de)往復運(yun)動(dong)(dong)(dong)。 2.流(liu)體(ti)脈動(dong)(dong)(dong) 管(guan)道(dao)內流(liu)體(ti)因(yin)速度(du)或(huo)壓力(li)不穩定(ding)而形(xing)成的(de)(de)(de)(de)呈周期性變化的(de)(de)(de)(de)流(liu)動(dong)(dong)(dong)狀態。3.脈動(dong)(dong)(dong)振動(dong)(dong)(dong)由(you)于流(liu)體(ti)脈動(dong)(dong)(dong)而引(yin)起的(de)(de)(de)(de)管(guan)道(dao)振動(dong)(dong)(dong)。4.管(guan)道(dao)喘(chuan)振&nb...
