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成都理工大學(xué)化工專業(yè)仿真實(shí)習(xí)報(bào)告精選-展示頁(yè)

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【正文】 V4034至60%開(kāi)度。 系統(tǒng)氮?dú)獬鋲杭訜?1)充氮:打開(kāi)充氮閥,用氮?dú)饨o反應(yīng)器系統(tǒng)充壓,(表)時(shí),關(guān)閉充氮閥。 開(kāi)車準(zhǔn)備準(zhǔn)備工作包括:系統(tǒng)中用氮?dú)獬鋲海h(huán)加熱氮?dú)?,隨后用乙烯對(duì)系統(tǒng)進(jìn)行置換(按照實(shí)際正常的操作,用乙烯置換系統(tǒng)要進(jìn)行兩次,考慮到時(shí)間關(guān)系,只進(jìn)行一次)。副產(chǎn)物:無(wú)。主要原料:乙烯,丙烯,具有剩余活性的干均聚物(聚丙烯),氫氣。(表),70℃,注意,該系統(tǒng)壓力位于閃蒸罐壓力和袋式過(guò)濾器壓力之間,從而在整個(gè)聚合物管路中形成一定壓力梯度,以避免容器間物料的返混并使聚合物向前流動(dòng)。用脫鹽水作為冷卻介質(zhì),用一臺(tái)立式列管式換熱器將聚合反應(yīng)熱撤出。循環(huán)氣體用工業(yè)色譜儀進(jìn)行分析,調(diào)節(jié)氫氣和丙烯的補(bǔ)充量。所有末反應(yīng)的單體循環(huán)返回到流化壓縮機(jī)的吸入口。聚合物料位決定了停留時(shí)間,從而決定了聚合反應(yīng)的程度,為了避免過(guò)度聚合的鱗片狀產(chǎn)物堆積在反應(yīng)器壁上,反應(yīng)器內(nèi)配置一轉(zhuǎn)速較慢的刮刀,以使反應(yīng)器壁保持干凈。流化氣體(反應(yīng)單體)通過(guò)一個(gè)特殊設(shè)計(jì)的柵板進(jìn)入反應(yīng)器。在氣體分析儀的控制下,氫氣被加到乙烯進(jìn)料管道中,以改進(jìn)聚合物的本征粘度,滿足加工需要。材化院化工與制藥2014年仿真模擬實(shí)習(xí)報(bào)告第二章 流化床反應(yīng)器 工藝說(shuō)明該流化床反應(yīng)器取材于HIMONT工藝本體聚合裝置,用于生產(chǎn)高抗沖擊共聚物。⑦氫氣量最終加至200 KG/H左右,此時(shí)H2/C2=,F(xiàn)IC1427投串級(jí)。⑤緩慢增加氫氣量,注意觀察反應(yīng)器溫度變化。③氫氣進(jìn)料控制FIC1427設(shè)自動(dòng),流量設(shè)定80 KG/H。②℃(℃),準(zhǔn)備配氫。⑤乙炔原料進(jìn)料控制FIC1425設(shè)自動(dòng), KG/H。③微開(kāi)ER424A出料閥KXV1413,丁烷進(jìn)料控制FIC1425(手動(dòng)),慢慢增加進(jìn)料,提高反應(yīng)器壓力。(2)ER424A充壓、實(shí)氣置換①打開(kāi)FIC1425的前后閥VV142VV1426和KXV1412。(1)啟動(dòng)前準(zhǔn)備工作①ER424A殼層有液體流過(guò)。(1)確認(rèn)事項(xiàng)① MPa保壓;②EV429液位到達(dá)50%。(5)打開(kāi)EV429的丁烷進(jìn)料閥門(mén)KXV1420,開(kāi)度50%。(3)調(diào)節(jié)PV1426(PIC1426)閥開(kāi)度為50%。 EV429閃蒸器充丁烷(1) MPa。 開(kāi)車操作規(guī)程裝置的開(kāi)工狀態(tài)為反應(yīng)器和閃蒸罐都處于已進(jìn)行過(guò)氮?dú)鉀_壓置換后。反應(yīng)器中的熱量由反應(yīng)器殼側(cè)循環(huán)的加壓C4冷劑蒸發(fā)帶走。ER424A/、44℃下反應(yīng)生成C2H6。FIC1425與FIC1427為比值控制,兩股原料按一定比例在管線中混合后經(jīng)原料氣/反應(yīng)氣換熱器(EH423)預(yù)熱,再經(jīng)原料預(yù)熱器(EH424)預(yù)熱到38℃,進(jìn)入固定床反應(yīng)器(ER424A/B)。(C4H8)n,該反應(yīng)也是放熱反應(yīng)。每克乙炔反應(yīng)后放出熱量約為34000千卡。主反應(yīng)為:nC2H2+2nH2174。第一篇:成都理工大學(xué)化工專業(yè)仿真實(shí)習(xí)報(bào)告(精選)仿真模擬實(shí)習(xí)報(bào)告學(xué)校名稱:成都理工大學(xué)學(xué)院名稱: 材料與化學(xué)化工學(xué)院實(shí)習(xí)時(shí)間: ——材化院化工與制藥2014年仿真模擬實(shí)習(xí)報(bào)告目錄第一章固定床反應(yīng)器.....................................................................................................................3 工藝說(shuō)明...........................................................................................................................3 開(kāi)車操作規(guī)程...................................................................................................................3 EV429閃蒸器充丁烷........................................................................................3 ER424A反應(yīng)器充丁烷......................................................................................4 ER424A啟動(dòng)....................................................................................................................4 第二章流化床反應(yīng)器.....................................................................................................................6 工藝說(shuō)明...........................................................................................................................6 反應(yīng)機(jī)理...........................................................................................................................6 開(kāi)車準(zhǔn)備...........................................................................................................................7 系統(tǒng)氮?dú)獬鋲杭訜?............................................................................................7 氮?dú)庋h(huán).............................................................................................................8 干態(tài)運(yùn)行開(kāi)車...................................................................................................................8 反應(yīng)進(jìn)料.............................................................................................................8 準(zhǔn)備接收D301來(lái)的均聚物...............................................................................8 共聚反應(yīng)物的開(kāi)車...........................................................................................................8 穩(wěn)定狀態(tài)的過(guò)渡...............................................................................................................9 反應(yīng)器的液位.....................................................................................................9 反應(yīng)器壓力和氣相組成控制.............................................................................9第三章反應(yīng)釜...............................................................................................................................10 工藝說(shuō)明.........................................................................................................................10 開(kāi)車操作規(guī)程.................................................................................................................11材化院化工與制藥2014年仿真模擬實(shí)習(xí)報(bào)告 備料過(guò)程...........................................................................................................11 進(jìn)料...................................................................................................................12 開(kāi)車階段...........................................................................................................13 反應(yīng)過(guò)程控制...................................................................................................13第四章精餾塔...............................................................................................................................14 第五章吸收系統(tǒng)...........................................................................................................................15 第六章?lián)Q熱器...............................................................................................................................17 第七章離心泵...............................................................................................................................18 第八章催化劑萃取控制...............................................................................................................19 第九章真空系統(tǒng)...........................................................................................................................20 液環(huán)真空泵簡(jiǎn)介.............................................................................................................20 蒸汽噴射泵簡(jiǎn)介.............................................................................................................20 第十章罐區(qū)仿真...........................................................................................................................21 第十一章 CO2壓縮工段................................................................................................................22 離心式壓縮機(jī)工作原理...............................................................................................22 汽輪機(jī)的工作原理.......................................................................................................23 工藝流程簡(jiǎn)述............................
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