油罐(guan)一般附(fu)件的(de)檢查(cha)內容

1、扶(fu)梯和(he)欄桿。扶(fu)梯是(shi)操(cao)作(zuo)(zuo)人員上罐(guan)(guan)(guan)檢(jian)尺、測(ce)溫(wen)、取(qu)樣、巡檢(jian)而設置的(de)。它有直梯和(he)旋(xuan)(xuan)梯兩(liang)種，一(yi)般來說，小型(xing)油(you)(you)(you)(you)罐(guan)(guan)(guan)用直梯，雙層油(you)(you)(you)(you)罐(guan)(guan)(guan)檢(jian)測(ce)，大型(xing)油(you)(you)(you)(you)罐(guan)(guan)(guan)用旋(xuan)(xuan)梯。2、人孔(kong)。人孔(kong)是(shi)供清洗(xi)和(he)維修油(you)(you)(you)(you)罐(guan)(guan)(guan)時，操(cao)作(zuo)(zuo)人員進出油(you)(you)(you)(you)罐(guan)(guan)(guan)而設置的(de)。一(yi)般立式(shi)油(you)(you)(you)(you)罐(guan)(guan)(guan)，安慶油(you)(you)(you)(you)罐(guan)(guan)(guan)檢(jian)測(ce)，人孔(kong)都裝在罐(guan)(guan)(guan)壁下層圈板上，且(qie)和(he)罐(guan)(guan)(guan)頂上方采光孔(kong)相對。人孔(kong)直徑多為600mm，孔(kong)中(zhong)心距罐(guan)(guan)(guan)底(di)為750 mm。

在役常壓儲罐(guan)的(de)無(wu)損檢(jian)測技術

無(wu)(wu)損(sun)檢(jian)(jian)(jian)測(ce)技術的(de)(de)(de)(de)選擇及應用(yong)目視(shi)檢(jian)(jian)(jian)測(ce)，埋(mai)地油(you)罐檢(jian)(jian)(jian)測(ce)，指用(yong)人的(de)(de)(de)(de)眼睛對被檢(jian)(jian)(jian)件進行(xing)檢(jian)(jian)(jian)查，是為(wei)(wei)古老(lao)、用(yong)途為(wei)(wei)廣(guang)泛的(de)(de)(de)(de)無(wu)(wu)損(sun)檢(jian)(jian)(jian)測(ce)方法，必要時也可借用(yong)簡單的(de)(de)(de)(de)輔助工(gong)具，比(bi)如(ru)檢(jian)(jian)(jian)測(ce)錘、放大鏡(jing)、焊縫尺等。從廣(guang)義上來說(shuo)，只要用(yong)視(shi)覺進行(xing)的(de)(de)(de)(de)檢(jian)(jian)(jian)查都(dou)可以稱為(wei)(wei)目視(shi)檢(jian)(jian)(jian)測(ce)。2012年國內以標準的(de)(de)(de)(de)形式將(jiang)目視(shi)檢(jian)(jian)(jian)測(ce)明確(que)為(wei)(wei)承(cheng)壓設(she)備(bei)行(xing)業的(de)(de)(de)(de)一(yi)種無(wu)(wu)損(sun)檢(jian)(jian)(jian)測(ce)方法，標準代號為(wei)(wei)NB/T 47013.7-2012《承(cheng)壓設(she)備(bei)無(wu)(wu)損(sun)檢(jian)(jian)(jian)測(ce) 第7部(bu)分：目視(shi)檢(jian)(jian)(jian)測(ce)》。

罐(guan)(guan)(guan)(guan)(guan)底(di)(di)檢測(ce)(ce)：漏(lou)磁掃(sao)描(miao)技術檢測(ce)(ce)油罐(guan)(guan)(guan)(guan)(guan)底(di)(di)板(ban)(ban)的(de)(de)腐(fu)蝕(shi)狀況（如腐(fu)蝕(shi)深度(du)與面積，裂紋的(de)(de)長度(du)等）。此(ci)儀器的(de)(de)檢測(ce)(ce)原(yuan)理是：漏(lou)磁掃(sao)描(miao)儀檢測(ce)(ce)油罐(guan)(guan)(guan)(guan)(guan)罐(guan)(guan)(guan)(guan)(guan)底(di)(di)，加強(qiang)油罐(guan)(guan)(guan)(guan)(guan)檢測(ce)(ce)，當油罐(guan)(guan)(guan)(guan)(guan)底(di)(di)板(ban)(ban)有缺陷時(shi)，磁場(chang)分布則會發(fa)生(sheng)變(bian)化，傳感(gan)器就(jiu)可以檢測(ce)(ce)到。缺點(dian)是會遺漏(lou)掉一(yi)些區(qu)域，不能對罐(guan)(guan)(guan)(guan)(guan)底(di)(di)進行檢測(ce)(ce)。檢測(ce)(ce)時(shi)油罐(guan)(guan)(guan)(guan)(guan)底(di)(di)無(wu)雜物、干燥。另外也可將氦氣(qi)注(zhu)入油罐(guan)(guan)(guan)(guan)(guan)底(di)(di)板(ban)(ban)，檢測(ce)(ce)罐(guan)(guan)(guan)(guan)(guan)底(di)(di)泄漏(lou)點(dian)。