【正文】 ....................................................................................7 求許用應力???..............................................................................................7 確定油罐經(jīng)濟直徑和高度 ............................................................................8 3 罐壁強度設計 ....................................................................................................10 罐壁計算的說明 ..........................................................................................10 采用變點法設計各層壁板厚度 ..................................................................12 計算充水時各層板厚 .........................................................................12 計算儲油時各層板厚 .........................................................................23 4 浮頂設計 ............................................................................................................35 基本數(shù)據(jù) ......................................................................................................35 校核 ..............................................................................................................36 第一準則校核 .....................................................................................36 第三準則的計算和校核 .....................................................................37 第二準則校核 .....................................................................................38 浮頂強度及穩(wěn)定性校核 ..............................................................................39 單盤的強度驗算 .................................................................................39 浮船強度校核 .....................................................................................40 浮船平面內(nèi)穩(wěn)定校核盤 .....................................................................41 浮船平面外穩(wěn)定校核 .........................................................................42 關于 Ae 的驗算 ...................................................................................43 5 油罐密封及抗風設計 ........................................................................................45 油罐的密封裝置 ..........................................................................................45 抗風設計 ......................................................................................................45 抗風圈的設計和計算 .........................................................................45 加強圈的設計和計算 .........................................................................46 6 罐底及罐基礎設計 ............................................................................................47 罐底的設計 ..................................................................................................47 材料及厚度 .........................................................................................49 排版方法 .............................................................................................49 底板的連接 .........................................................................................49 罐基礎設計 ..................................................................................................49 7 下節(jié)點計算 ........................................................................................................50 西安石油大學本科畢業(yè)設計（論文） 4 8 油罐抗震設計 ....................................................................................................54 傾覆力矩計算 ..............................................................................................54 罐壁壓應力的計算 ......................................................................................54 罐壁臨界壓應力及其校核 ..........................................................................55 9 油罐的附件設計及開孔補強 ............................................................................56 附件設計 ......................................................................................................56 罐頂附件 .............................................................................................56 罐壁附件 .............................................................................................56 罐壁附件簡要介紹 .............................................................................57 安全設施 ............................................................................................58 梯子 .平臺和欄桿 ................................................................................58 開孔補強計算 ..............................................................................................58 10 質(zhì)量檢驗 ..........................................................................................................60 罐底質(zhì)量檢驗 ..........................................................................................60 罐底的平度檢查 ...........................................................................60 焊縫質(zhì)量檢查 ...............................................................................60 罐底的質(zhì)檢 ..............................................................................................60 11 油罐的消防系 統(tǒng)選擇 ......................................................................................61 罐區(qū)泡沫滅火部分 ..................................................................................61 罐區(qū)冷卻水部分 ......................................................................................61 參考文獻 ..................................................................................................................62 致謝 ..........................................................................................................................62 西安石油大學本科畢業(yè)設計（論文） 5 1 緒論 國內(nèi)外研究現(xiàn)狀 伴 隨著世界石油工業(yè)的發(fā)展與進步，原油的儲備和運輸對儲罐的容量提出了越來越大的要求。在油罐大型化的趨勢形成后，油庫的 組成結(jié)構(gòu)與之前發(fā)生了很大改變，從油罐的“小而多”變?yōu)椤按蠖　?。為了?jié)省投資，采用一個漂浮在液面上的浮動頂