用管道(dao)輸(shu)(shu)(shu)(shu)送(song)原油(you)(you)(you)(you)(you)(you)、成品油(you)(you)(you)(you)(you)(you)和液(ye)化(hua)石油(you)(you)(you)(you)(you)(you)氣的(de)(de)建(jian)設工程。一般包(bao)括(kuo)輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)管道(dao)、輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)站(zhan)(zhan)(zhan)(zhan)及輔助設施(shi)等工程內容。輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)管道(dao)系統是(shi)(shi)各(ge)(ge)類型輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)站(zhan)(zhan)(zhan)(zhan)、管道(dao)及有關設施(shi)的(de)(de)統稱(cheng)(cheng)。輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)站(zhan)(zhan)(zhan)(zhan)是(shi)(shi)輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)管道(dao)工程中各(ge)(ge)類工藝站(zhan)(zhan)(zhan)(zhan)場(chang)的(de)(de)統稱(cheng)(cheng)。首站(zhan)(zhan)(zhan)(zhan)是(shi)(shi)輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)管道(dao)的(de)(de)起點(dian)站(zhan)(zhan)(zhan)(zhan)。中間站(zhan)(zhan)(zhan)(zhan)是(shi)(shi)在輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)首站(zhan)(zhan)(zhan)(zhan)和末(mo)(mo)(mo)站(zhan)(zhan)(zhan)(zhan)之(zhi)(zhi)間設有的(de)(de)各(ge)(ge)類站(zhan)(zhan)(zhan)(zhan)場(chang)的(de)(de)統稱(cheng)(cheng)。分輸(shu)(shu)(shu)(shu)站(zhan)(zhan)(zhan)(zhan)是(shi)(shi)在輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)管道(dao)沿(yan)線,為(wei)分輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)品至用戶而設置的(de)(de)站(zhan)(zhan)(zhan)(zhan)場(chang)。中間加熱(re)站(zhan)(zhan)(zhan)(zhan)是(shi)(shi)在輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)首站(zhan)(zhan)(zhan)(zhan)和末(mo)(mo)(mo)站(zhan)(zhan)(zhan)(zhan)之(zhi)(zhi)間以加熱(re)設施(shi)為(wei)主的(de)(de)輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)站(zhan)(zhan)(zhan)(zhan)。末(mo)(mo)(mo)站(zhan)(zhan)(zhan)(zhan)是(shi)(shi)輸(shu)(shu)(shu)(shu)油(you)(you)(you)(you)(you)(you)管道(dao)的(de)(de)終點(dian)站(zhan)(zhan)(zhan)(zhan)。
(1)輸(shu)(shu)(shu)油(you)(you)管(guan)道工(gong)程設(she)計(ji)(ji)計(ji)(ji)算輸(shu)(shu)(shu)油(you)(you)量(liang)(liang)(liang)時,年(nian)工(gong)作(zuo)天數應按350天計(ji)(ji)算。應按設(she)計(ji)(ji)委托書或設(she)計(ji)(ji)合同(tong)規定的輸(shu)(shu)(shu)量(liang)(liang)(liang)(年(nian)輸(shu)(shu)(shu)量(liang)(liang)(liang)、月輸(shu)(shu)(shu)量(liang)(liang)(liang)、日輸(shu)(shu)(shu)量(liang)(liang)(liang))作(zuo)為(wei)設(she)計(ji)(ji)輸(shu)(shu)(shu)量(liang)(liang)(liang)。設(she)計(ji)(ji)最小輸(shu)(shu)(shu)量(liang)(liang)(liang)應符合經(jing)濟及安(an)全輸(shu)(shu)(shu)送條件。
(2)輸(shu)油(you)管道設(she)計宜(yi)采(cai)用(yong)密閉輸(shu)送(song)(song)(song)工(gong)藝(yi)。若采(cai)用(yong)其他輸(shu)送(song)(song)(song)工(gong)藝(yi),應(ying)進(jin)(jin)行技術經濟(ji)論證,并(bing)說明(ming)其可行性(xing)。當管輸(shu)多種(zhong)油(you)品時,宜(yi)采(cai)用(yong)順序輸(shu)送(song)(song)(song)工(gong)藝(yi)。若采(cai)用(yong)專管專用(yong)輸(shu)送(song)(song)(song)工(gong)藝(yi),應(ying)進(jin)(jin)行技術經濟(ji)論證。
(3)輸(shu)(shu)(shu)油管(guan)道(dao)(dao)系(xi)統輸(shu)(shu)(shu)送(song)工藝(yi)(yi)方(fang)案應(ying)依據設計內壓(ya)力、管(guan)道(dao)(dao)管(guan)型及鋼(gang)種等級、管(guan)徑、壁厚、輸(shu)(shu)(shu)送(song)方(fang)式、輸(shu)(shu)(shu)油站(zhan)數(shu)、順序輸(shu)(shu)(shu)送(song)油品(pin)批次等,以多個(ge)組合(he)方(fang)案進行比選,確定最佳輸(shu)(shu)(shu)油工藝(yi)(yi)方(fang)案。
(4)管(guan)輸(shu)原油(you)質(zhi)量應符(fu)(fu)合(he)國(guo)(guo)家(jia)現(xian)(xian)行(xing)標準(zhun)(zhun)SY/T 7513的規定;管(guan)輸(shu)液(ye)態液(ye)化石油(you)氣的質(zhi)量應符(fu)(fu)合(he)現(xian)(xian)行(xing)國(guo)(guo)家(jia)標準(zhun)(zhun)GB 9052.1或GB11174的規定;管(guan)輸(shu)其(qi)他成品油(you)質(zhi)量應符(fu)(fu)合(he)國(guo)(guo)家(jia)現(xian)(xian)行(xing)產(chan)品標準(zhun)(zhun)。
(5)輸(shu)油管道系統輸(shu)送工(gong)藝總流程(cheng)圖應標(biao)注首站、中(zhong)間站、末(mo)站的輸(shu)油量(liang),進出站壓力及(ji)油溫(wen)等主要工(gong)藝參數。并注明線路截斷閥(fa)、大型穿(chuan)跨越(yue)、各站間及(ji)里程(cheng)、高(gao)程(cheng)(注明是否有翻越(yue)點)。
(6)輸油管(guan)道系統(tong)輸送(song)工(gong)藝設計應包括水力(li)和熱力(li)計算(suan),并進行(xing)穩態(tai)和瞬態(tai)水力(li)分析,提(ti)出輸油管(guan)道在密閉(bi)輸送(song)中瞬變流動過程(cheng)的控(kong)制方法(fa)。
(7)輸(shu)油管(guan)道的設(she)計應符合(he)現(xian)行國家(jia)標準(zhun)GB50253的規定,其穿跨越工程設(she)計應符合(he)國家(jia)現(xian)行標準(zhun) SY/T 0015.1 SY/T 0015.2的有關規定。
(8)原(yuan)油管道(dao)、成(cheng)品油管道(dao)和液態液化石油氣(LPG)管道(dao)系統(tong)輸送(song)工藝(yi)的計(ji)算及成(cheng)品.油順序輸送(song)混(hun)油段長度計(ji)算應(ying)按現(xian)行國(guo)家標準GB 50253有關規定(ding)計(ji)算。埋地的原油輸送管道的沿線(xian)溫降應按(an)現行國(guo)家標準GB 50253有關規定計(ji)算(suan)。
(9)原油管道輸送要求:
根(gen)據(ju)被輸送原油的物理(li)化學性(xing)質及其流(liu)變性(xing),通過(guo)優化比(bi)選,選擇最佳輸送方式;
加(jia)熱(re)輸送的埋地原油管(guan)道(dao),優選加(jia)熱(re)溫(wen)度;管(guan)道(dao)是(shi)否(fou)需保溫(wen),進行管(guan)道(dao)保溫(wen)與不保溫(wen)的技術經濟比較(jiao),確定合理方案。
(10)成品油管(guan)道輸(shu)送要求:
按設(she)計(ji)(ji)委托(tuo)書或設(she)計(ji)(ji)合(he)同規定的(de)成品(pin)油輸(shu)(shu)量(liang)、品(pin)種與各(ge)品(pin)種的(de)比例(li),以及分輸(shu)(shu)、輸(shu)(shu)入數量(liang),進行成品(pin)油管道系統(tong)輸(shu)(shu)送工(gong)藝設(she)計(ji)(ji);
輸(shu)送多品種成品油(you)時(shi),宜采用單管順序輸(shu)送。油(you)品批量(liang)輸(shu)送的排列(lie)順序,將油(you)品性質相(xiang)近的緊鄰排列(lie);
成品油(you)順序輸送(song)管道(dao),在輸油(you)站間不(bu)宜(yi)設置(zhi)副管;
在順序輸送高黏度成(cheng)品油(you)(如重油(you))時宜使用隔離(li)裝(zhuang)置;
多品種成品油順序輸(shu)送管道,采用連(lian)續輸(shu)送方(fang)式;當采用間(jian)歇輸(shu)送時,應采取措(cuo)施以減少混油量(liang);
采用旁接油罐輸送工藝,當多(duo)種油品順(shun)序輸送混油界面(mian)通過泵站時,應切換成(cheng)泵到泵輸送工藝;
根據油(you)(you)罐(guan)區的建設和營運費(fei)用(yong)(yong)與(yu)混油(you)(you)貶值造成的費(fei)用(yong)(yong)損失兩個方面進行綜合比較后,確定最佳(jia)循(xun)環次(ci)數。
(11)液態(tai)液化(hua)石(shi)油氣(qi)(LPG)管道輸送(song)要求:
按設(she)計委托書或設(she)計合同規定的(de)液(ye)態液(ye)化(hua)石(shi)油(you)氣(qi)輸(shu)量、組分與各組分的(de)比例,進行液(ye)態液(ye)化(hua)石(shi)油(you)氣(qi)管道系統(tong)輸(shu)送(song)工藝設(she)計;
液(ye)態(tai)液(ye)化(hua)石油氣(qi)在管(guan)道中輸送時(shi),沿線任何一點的(de)壓(ya)力(li)都必須高于輸送溫度(du)下(xia)液(ye)化(hua)石油氣(qi)的(de)飽和(he)蒸氣(qi)壓(ya)。沿線各(ge)中間站的(de)進站壓(ya)力(li)應比同溫度(du)下(xia)液(ye)化(hua)石油氣(qi)的(de)飽和(he)蒸氣(qi)壓(ya)力(li)高1.0MPa,末站進儲罐(guan)前的(de)壓(ya)力(li)應比同溫度(du)下(xia)液(ye)化(hua)石油氣(qi)的(de)飽和(he)蒸氣(qi)壓(ya)力(li)高0.5MPa。
液態液化(hua)石油氣(qi)在管(guan)道內的平均(jun)流速,應經技術經濟(ji)比(bi)較(jiao)后確定,但要注意因管(guan)內摩阻升溫而需另行冷卻的能耗(hao),可取0.8~1.4m/s,但最大不應超過3m/s。

