NEWS
不銹鋼管(guan)道敷(fu)設(she)方式，無(wu)論在室(shi)內或室(shi)外，歸納起來有三種：無(wu)溝(gou)埋(mai)地(di)敷(fu)設(she)、地(di)溝(gou)敷(fu)設(she)及(ji)架空敷(fu)設(she)。 1.無(wu)溝(gou)埋(mai)地(di)敷(fu)設(she) 埋(mai)地(di)敷(fu)設(she)適用于(yu)一般場地(di)的上(shang)水、下水、煤(mei)氣(qi)、壓(ya)縮空氣(qi)等(deng)常(chang)溫狀(zhuang)態的管(guan)道工(gong)程。管(guan)溝(gou)開挖的斷面形(xing)式應(ying)根(gen)據(ju)現場土質、地(di)下水位、管(guan)徑(jing)大小(xiao)、埋(mai)深情況及(ji)施工(gong)方法(fa)而定...
減(jian)(jian)壓(ya)(ya)閥(fa)的(de)(de)(de)閥(fa)體(ti)應垂直(zhi)安(an)裝(zhuang)在(zai)水平管(guan)道上，兩側應裝(zhuang)切(qie)斷(duan)閥(fa)門，一般采(cai)用(yong)法蘭截止閥(fa)，并由旁(pang)通(tong)(tong)管(guan)連通(tong)(tong)。接旁(pang)通(tong)(tong)管(guan)的(de)(de)(de)目的(de)(de)(de)是(shi)一旦(dan)減(jian)(jian)壓(ya)(ya)閥(fa)發(fa)生故障需要更換時，可以臨時流通(tong)(tong)。減(jian)(jian)壓(ya)(ya)前的(de)(de)(de)管(guan)徑應與減(jian)(jian)壓(ya)(ya)閥(fa)的(de)(de)(de)公(gong)稱尺(chi)(chi)寸(cun)(cun)相同，減(jian)(jian)壓(ya)(ya)閥(fa)后面的(de)(de)(de)管(guan)徑應比減(jian)(jian)壓(ya)(ya)閥(fa)公(gong)稱尺(chi)(chi)寸(cun)(cun)大1~2擋，減(jian)(jian)壓(ya)(ya)閥(fa)與管(guan)子之間應有大...
1.管(guan)(guan)道(dao)標(biao)準化(hua)的作用 標(biao)準化(hua)是(shi)伴隨(sui)著(zhu)近代工(gong)業和(he)現代科學技術(shu)發展而(er)形成的管(guan)(guan)理科學。管(guan)(guan)道(dao)工(gong)程(cheng)(cheng)標(biao)準化(hua)是(shi)管(guan)(guan)道(dao)工(gong)程(cheng)(cheng)現代化(hua)的重要組(zu)成部(bu)分。其主要作用如下(xia)。 ①.提高(gao)管(guan)(guan)道(dao)工(gong)程(cheng)(cheng)的經濟效益。通過管(guan)(guan)道(dao)工(gong)程(cheng)(cheng)標(biao)準化(hua)，使設計、材料和(he)設備加工(gong)以(yi)及施(shi)工(gong)、運行管(guan)(guan)理以(yi)科學的...
1.按服(fu)務(wu)對象分類(lei) ①.管(guan)道工(gong)(gong)程(cheng)按其服(fu)務(wu)對象的不同，可大體分為兩大類(lei)：一類(lei)是在(zai)工(gong)(gong)業(ye)(ye)生(sheng)產中(zhong)(zhong)輸送介(jie)質的管(guan)道，稱為工(gong)(gong)業(ye)(ye)管(guan)道；另一類(lei)是在(zai)設施中(zhong)(zhong)或為改變勞(lao)動、工(gong)(gong)作或生(sheng)活(huo)條件(jian)而輸送介(jie)質的管(guan)道，主要指暖衛管(guan)道或水(shui)暖管(guan)道，有(you)時(shi)又統稱衛生(sheng)工(gong)(gong)程(cheng)管(guan)道。 ②.工(gong)(gong)業(ye)(ye)管(guan)道有(you)些則...
①.不銹鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)道(dao)安(an)裝一般應(ying)具備下列(lie)條件(jian)：與(yu)管(guan)(guan)(guan)(guan)(guan)道(dao)有(you)關(guan)的(de)(de)土建工(gong)程經檢査合格(ge)，滿足安(an)裝要求；與(yu)管(guan)(guan)(guan)(guan)(guan)道(dao)連(lian)接的(de)(de)設備找正合格(ge)、固定完畢(bi)；必須在不銹鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)道(dao)安(an)裝前完成的(de)(de)有(you)關(guan)工(gong)序如(ru)脫脂、內(nei)部防腐與(yu)襯里(li)等(deng)已進行完畢(bi)；管(guan)(guan)(guan)(guan)(guan)子(zi)、管(guan)(guan)(guan)(guan)(guan)件(jian)及閥門等(deng)已按設計要求核對無誤并經檢驗合格(ge)，具備有(you)關(guan)的(de)(de)技術證件(jian)，內(nei)...
外(wai)觀檢驗應(ying)覆蓋施(shi)工(gong)(gong)的全過(guo)(guo)程。施(shi)工(gong)(gong)開始時(shi)，應(ying)對進(jin)(jin)場的材(cai)(cai)料進(jin)(jin)行外(wai)觀檢驗，施(shi)工(gong)(gong)過(guo)(guo)程中應(ying)按工(gong)(gong)序(xu)對安(an)裝質量進(jin)(jin)行檢驗。①.不(bu)銹鋼管道(dao)、配件及支(zhi)承件材(cai)(cai)料應(ying)具有出廠質量證明書，其(qi)質量不(bu)得低于現(xian)行國家標準(zhun)。其(qi)材(cai)(cai)質、規格(ge)、型號、質量應(ying)符合設計文件的規定。②.施(shi)工(gong)(gong)過(guo)(guo)程中分項工(gong)(gong)程也應(ying)進(jin)(jin)行外(wai)觀檢驗；不(bu)...
不(bu)銹鋼工(gong)業(ye)管(guan)(guan)(guan)道的(de)安(an)裝施(shi)工(gong)，一般可分為(wei)熟(shu)悉圖(tu)紙資料、管(guan)(guan)(guan)道測繪、管(guan)(guan)(guan)道預制加工(gong)、不(bu)銹鋼管(guan)(guan)(guan)安(an)裝以及管(guan)(guan)(guan)道的(de)試(shi)壓、吹洗、脫脂、防(fang)腐、絕熱、試(shi)車、交(jiao)工(gong)等(deng)程序(xu)。這(zhe)種程序(xu)有它自己的(de)客觀規(gui)律性，管(guan)(guan)(guan)道安(an)裝施(shi)工(gong)只有符合這(zhe)種規(gui)律，才能(neng)確保施(shi)工(gong)的(de)安(an)全、質(zhi)量(liang)和進(jin)度。 施(shi)工(gong)準備是工(gong)程施(shi)...
不(bu)銹鋼工(gong)(gong)業(ye)管(guan)道(dao)的施(shi)(shi)工(gong)(gong)過程(cheng)一般包(bao)括(kuo)(kuo)施(shi)(shi)工(gong)(gong)準(zhun)備(bei)、現場安(an)(an)裝(zhuang)和(he)(he)試車交工(gong)(gong)。施(shi)(shi)工(gong)(gong)準(zhun)備(bei)包(bao)括(kuo)(kuo)技術準(zhun)備(bei)、資源準(zhun)備(bei)和(he)(he)現場準(zhun)備(bei)；現場安(an)(an)裝(zhuang)和(he)(he)試車包(bao)括(kuo)(kuo)支(zhi)吊(diao)架安(an)(an)裝(zhuang)、管(guan)道(dao)組成(cheng)件現場裝(zhuang)配和(he)(he)焊接、管(guan)道(dao)系(xi)統試驗、吹掃(sao)和(he)(he)防腐保(bao)溫等。 由于不(bu)銹鋼壓力管(guan)道(dao)的用途和(he)(he)結構(gou)不(bu)同(tong)，具體施(shi)(shi)工(gong)(gong)程(cheng)序也有所差別(bie)，...
1.現場 管(guan)道等施工的(de)(de)(de)場所。2.管(guan)道預制(zhi) 道裝配前(qian)進行管(guan)子的(de)(de)(de)調直、切(qie)割、坡口或螺(luo)紋加工、彎(wan)(wan)曲以及管(guan)段預組(zu)裝等的(de)(de)(de)預制(zhi)工作(zuo)。3.允許偏差(cha) 標準(zhun)規定的(de)(de)(de)施工或制(zhi)造誤差(cha)的(de)(de)(de)限定范圍。4.管(guan)子冷彎(wan)(wan) 溫度(du)低(di)于金臨界點(dian)Ac1,時的(de)(de)(de)彎(wan)(wan)管(guan)操作(zuo)。5....
1.管道腐(fu)蝕 由(you)于化(hua)學或電化(hua)學作用，引起(qi)管道的(de)(de)消(xiao)損破壞。 ①.化(hua)學腐(fu)蝕 不導電的(de)(de)液(ye)體及干(gan)燥的(de)(de)氣(qi)體造成(cheng)的(de)(de)腐(fu)蝕。 ②.電化(hua)學腐(fu)蝕 由(you)電化(hua)學反應(ying)（即有氧(yang)化(hua)和還原的(de)(de)化(hua)學反應(ying)）造成(cheng)的(de)(de)腐(fu)蝕。主 ...
1.工藝(yi)(yi)設備 工藝(yi)(yi)裝(zhuang)置內為(wei)實現(xian)工藝(yi)(yi)過程所需的容(rong)器（反應(ying)、換熱、分(fen)離、、儲存）、工業爐、機(ji)(ji)、泵以(yi)及有關機(ji)(ji)械等的總稱。2.建筑物(wu) 直(zhi)接(jie)在其內部進行生(sheng)(sheng)產(chan)活(huo)動或生(sheng)(sheng)活(huo)活(huo)動的廠房，如控(kong)制室、配電室、泵房、壓縮機(ji)(ji)房、更(geng)衣室等房屋(wu)的總稱。3....
1.管(guan)道(dao)(dao)(dao)振(zhen)動(dong)(dong) 由(you)于(yu)管(guan)內介(jie)質的(de)(de)不規則(ze)流(liu)動(dong)(dong)或(huo)由(you)于(yu)某(mou)種周期(qi)性(xing)外力的(de)(de)作(zuo)用，管(guan)道(dao)(dao)(dao)相(xiang)對于(yu)其(qi)平衡位置所做(zuo)的(de)(de)往復運動(dong)(dong)。 2.流(liu)體(ti)脈動(dong)(dong) 管(guan)道(dao)(dao)(dao)內流(liu)體(ti)因速度或(huo)壓(ya)力不穩定而形(xing)成的(de)(de)呈(cheng)周期(qi)性(xing)變化的(de)(de)流(liu)動(dong)(dong)狀態(tai)。3.脈動(dong)(dong)振(zhen)動(dong)(dong)由(you)于(yu)流(liu)體(ti)脈動(dong)(dong)而引(yin)起(qi)的(de)(de)管(guan)道(dao)(dao)(dao)振(zhen)動(dong)(dong)。4.管(guan)道(dao)(dao)(dao)喘振(zhen)&nb...
