【正文】 .......................................................................................................................112. 熱態(tài)開車 ............................................................................................................................153. 正常運(yùn)行 ............................................................................................................................174. 正常停車 ............................................................................................................................175. 全裝置停電 ........................................................................................................................186. 冷卻水中斷 ........................................................................................................................197. 鍋爐給水故障 ....................................................................................................................208. 壓縮工段故障 ....................................................................................................................219. 脫鹽水中斷 ........................................................................................................................2110. 急冷油中斷（泵 A 壞掉） .............................................................................................2211. 蒸汽中斷 ..........................................................................................................................2212. 石腦油進(jìn)料中斷 ..............................................................................................................2313. 燃料氣中斷 ......................................................................................................................2414. 裂解爐輻射段爐管燒穿 ..................................................................................................2515. 引風(fēng)機(jī)故障 ......................................................................................................................2516. 項(xiàng)目列表 ..........................................................................................................................26九、仿 DCS 操作組畫面 ...........................................................................................................301. 操作組畫面 ........................................................................................................................302. 流程圖畫面 ........................................................................................................................31十、乙烯裝置裂解單元仿真 PIamp。 現(xiàn)場圖 ......................................................................................................................87第三部分 熱區(qū)分離精制單元 ...................................................................................................103一、工藝流程簡介 ...................................................................................................................103 ................................................................................................................1033. 裝置流程說明 ..................................................................................................................103二、設(shè)備列表 ...........................................................................................................................104三、儀表列表 ...........................................................................................................................105四、操作參數(shù) ...........................................................................................................................109五、復(fù)雜控制說明 ...................................................................................................................110六、聯(lián)鎖系統(tǒng) ...........................................................................................................................1131. MAPD 加氫反應(yīng)器聯(lián)鎖系統(tǒng)的起因與結(jié)果 ..................................................................1132. 聯(lián)鎖邏輯圖 ......................................................................................................................113七、操作規(guī)程 ...........................................................................................................................1141. 裝置冷態(tài)開車過程 ..........................................................................................................1142. 正常運(yùn)行 ..........................................................................................................................1163. 正常停車 ..........................................................................................................................1164. 熱態(tài)開車 ..........................................................................................................................1175. 提量 10%操作 .................................................................................................................1186. 降量 20%操作 .................................................................................................................1187. 特定事故 ..........................................................................................................................1188. 項(xiàng)目列表 ..........................................................................................................................123八、仿 DCS 系統(tǒng)操作畫面 .....................................................................................................1261. 操作組畫面 ......................................................................................................................1262. 流程圖畫面 ......................................................................................................................126九、熱區(qū)分離單元仿真 PIamp。裂解爐進(jìn)料預(yù)熱系統(tǒng)利用急冷水熱源，將石腦油預(yù)熱到 60℃，送入裂解爐裂解。燃料油汽提塔利用中壓蒸汽直接汽提，降低急冷油粘度。被裂解爐煙道氣進(jìn)一步預(yù)熱后，液體進(jìn)料在 180℃條件下進(jìn)入爐子裂解。TLE 通過同每一臺裂解爐的汽包相連的熱虹吸系統(tǒng)，在 Mpa 的壓力條件下生產(chǎn) SS 蒸汽。溫度調(diào)節(jié)以后的蒸汽返回對流段并最終過熱至所需的溫度（520℃）。低壓蒸汽也在急冷油回路中產(chǎn)生。用汽提蒸汽將裂解燃料油汽提，提高急冷油中餾程在 260℃～340℃餾分的濃度，有助于降低急冷油粘度。換熱后的急冷水由循環(huán)水和過冷水進(jìn)一步冷卻，作為水冷塔的回流，冷卻裂解氣。安裝有頂部物流/進(jìn)料換熱器以預(yù)熱去工藝水汽提塔的進(jìn)料。來自罐區(qū)、分離工段的燃料氣，送入裂解爐，作為裂解爐的燃料氣。amp。≥≥1 ≥≥RRRRX V 1 0