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alt="保障石油運(yùn)輸*全會(huì)用到哪些檢測(cè)儀器.jpg"/></p><p>　　現(xiàn)階段，國(guó)內(nèi)成品油輸送大多是采用順序輸送的方法，即在同一管道內(nèi)分批連續(xù)地輸送多種油品。除了煉油廠生產(chǎn)用的輸油管之外，我國(guó)還建設(shè)了格爾木至拉薩，蘭州至成都、重慶等多條長(zhǎng)度上千米的輸油管線。但是長(zhǎng)期以來(lái)，在順序輸送的管道中，因不同油品交替輸送，在兩種物料的接觸區(qū)發(fā)生一定混合效應(yīng)而形成的混油，由于不符合使用要求只能被當(dāng)作廢料處理，對(duì)石油造成了巨大的浪費(fèi)。</p><p>　　為了改善運(yùn)輸過(guò)程中的浪費(fèi)現(xiàn)象，就需要通過(guò)科學(xué)有效的方法減少混油，例如油品界面檢測(cè)。油品界面檢測(cè)可以*確測(cè)量油品之間界面位置，進(jìn)行混油界面切割操作，進(jìn)而保證油品質(zhì)量，是成品油長(zhǎng)輸過(guò)程中的一個(gè)重要環(huán)節(jié)。目前，國(guó)內(nèi)的油品界面檢測(cè)技術(shù)包括密度檢測(cè)法、電容檢測(cè)法、光學(xué)界面檢測(cè)法、超聲波檢測(cè)法、色度檢測(cè)法及熒光劑檢測(cè)法等方法，其中，應(yīng)用較為廣泛的是密度檢測(cè)法。近年來(lái)隨著我國(guó)石油生產(chǎn)、加工技術(shù)的發(fā)展和轉(zhuǎn)變，同種油品不同牌號(hào)的密度差越來(lái)越小，依靠密度法檢測(cè)油品界面的準(zhǔn)確度也越來(lái)越低。</p><p><br/></p> </div> </div> </div> </div> </div> <div id="i8pjzty" class="news-aggregate-sd"> <div id="i8pjzty" class="xwtji"> <div id="i8pjzty" class="panel-hd"><span>產(chǎn)品推薦</span></div> <div id="i8pjzty" class="panel-xwtj"> <ul 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