【正文】
D12進(jìn)料溫度T=℃,P=;帶入的熱量: H1H12進(jìn)料溫度T=40℃,P=;帶進(jìn)的熱量為:L1進(jìn)料溫度T=℃,P=,帶進(jìn)的熱量(4)各組分出料及汽化帶出的熱量丙烯、丙烷、己烷在43℃的蒸發(fā)焓分別為12156,12895,30357kJ/kmol。由陳敏恒《華東理工出版社》的《化工原理》(上冊)(第二版)查得修正系數(shù)為Ψ=初步估計傳熱系數(shù)換熱器面積為:Ⅰ型換熱器主要參數(shù)如下表: 外殼直徑:500P/mm管子尺寸 :公稱壓強(qiáng):管長:3m公稱面積:管數(shù):256管程數(shù):2管心距:25mm管子排列方式:正三角形(2)計算管程壓降及給熱系數(shù)為充分利用水蒸氣的熱量,取己烷走管程,水蒸氣走殼程。 V0201貯罐 計算依據(jù),溫度3055℃,=10Kgf/cm2,溫度95℃。406.[15] ,1993,16(6):321322.[16] 李玉芳,[J].中國石油和化工, 2006(2): 3539.[17] [ J].中國橡膠,2005, 21(1): 2526.[18] Andrew. Effect of aging and carbon black on the mechcmical properties of EPDM rubber[J]. Polymer Sci.,1976,17 (4):101107.[19] YuRen Chin. Manufacturing techniques for EPDM [J]. European Rubber Journal, 1999, 181(1):7.[20] Khan, Tamil A., Ethylene copolymerization process [J].CA:114:64 004j.[21] David Shaw. Uniroyal bringsTrilene to Europe [J]. European Rubber, 1996, 128(9):28. 附 錄附錄1 程序:本程序使用VBA語言編程,用來計算閃蒸塔T0202的容積。在此,我要向所有老師表示最誠摯的敬意!當(dāng)然,我要感謝同組同學(xué)對我的幫助,感謝化材院09級全體同學(xué),正是同學(xué)間的互相扶持、幫助,才能克服四年間的困難,請接受我誠摯的謝意!最后,我要特別感謝我的父母、親人,20幾年來我所走的每一步都離不開他們的精心呵護(hù)。張福勝老師作為一名優(yōu)秀的老教師,具有豐富的知識和經(jīng)驗,在整個畢業(yè)設(shè)計過程中,對我進(jìn)行了耐心的指導(dǎo)和幫助,提出嚴(yán)格要求,引導(dǎo)我不斷開闊思路,為我答疑解惑,鼓勵我大膽創(chuàng)新,使我在這一段寶貴的時光中,既增長了知識、開闊了視野、鍛煉了心態(tài),又培養(yǎng)了良好的專研精神。這些對我以后的工作都會有很大的幫助。圖41泵的計算示意圖 確定泵的揚(yáng)程(1)計算直管壓頭損失a管和b管內(nèi)液體的流速 c管和d管內(nèi)液體的流速 a管和b管內(nèi)液體攪拌雷諾數(shù):c管和d管內(nèi)液體攪拌雷諾數(shù): 即都為湍流形態(tài)直管損失:查化工原理上冊P41 頁取ε=(絕對粗糙度)a管和b管相對粗糙度 c管和d管相對粗糙度:根據(jù)=563400,查《化工原理》(上冊)(第二版)第40頁,查得=005,=684041, 局部損失:有18個90176。 計算反應(yīng)器的公稱直徑及高度設(shè)公稱直徑為D, 解得D=5658mm H=9053mm取整D=5700mm,H=9100mm 攪拌功率的計算(1) ,釜直徑D為5700mm。K)]0~℃(g)0~40℃(l)0~℃(l)(3)進(jìn)料及組分溶解、液化帶入的熱量D2進(jìn)料溫度T=℃,P=;帶入的熱量: =H32進(jìn)料溫度T=40℃,P=;帶進(jìn)的熱量為:丙稀、丙烷、己烷在T=73℃的蒸發(fā)焓△H5(kJ/kmol):9061,9995,28756時放出的熱量: (4)出料帶出熱量R4出料溫度T=℃,P=;則帶出的熱量: L4出料溫度T=℃,P=;則帶出的熱量:=(5)進(jìn)料帶出的熱量與出料熱量之差這些熱量通過換熱冷卻循環(huán)水帶走。膠料和ENB質(zhì)量百分含量約10%,取帶的熱量為溶劑帶出熱量5%。(5) 乙烯、丙烯、ENB的總轉(zhuǎn)化率分別為:%,%,%。采用VAl催化劑體系,聚合溫度為3060℃, 。(5)檢查所有設(shè)備的氣密性。來自R0201的循環(huán)氣體,經(jīng)E0201(高位冷卻器、冷卻介質(zhì)CCW)和E0202(高位冷凝器、冷凝介質(zhì)ABR)的冷卻和冷凝后,進(jìn)入V0201(頂部累積器),經(jīng)冷卻和冷凝后的循環(huán)氣體溫度大大下降,而有一部分液化,在V0201中的冷凝液體經(jīng)過濾后進(jìn)入P0201(冷凝液循環(huán)泵),通過FRC0203將流量控制在3t/h把冷凝液送入反應(yīng)釜R0201種。~, 操作溫度是35~55℃。丙烯由界區(qū)外由管道送入裝置,用FRCQ0202控制流量后送入乙烯氣集管。不足之處是由于不用溶劑,殘留催化劑分離比較困難,產(chǎn)品品種牌號少,質(zhì)量均勻性較差,灰分含量較高,其用途有一定的局限性,主要用于聚烯烴改性;聚合物為不溶于液態(tài)丙烯的懸浮粒子,使其保持懸浮狀態(tài)較困難,尤其當(dāng)聚合物濃度較高和出現(xiàn)少量凝膠時,反應(yīng)釜易于掛膠,甚至發(fā)生設(shè)備管道堵塞現(xiàn)象,產(chǎn)品的電絕緣性能較差。所以,在該處建廠,為最佳的位置。 廠址的選擇該車間應(yīng)該建在吉林市江北的化工工業(yè)區(qū)。所以,現(xiàn)在新增1套50kt/a的乙丙橡膠裝置已是當(dāng)務(wù)之急。乙丙橡膠主要品種牌號有百余種。(3) 危險易燃易爆的場所,設(shè)計采用可靠的控制,報警消防設(shè)施。關(guān)鍵詞:乙丙橡膠 ;溶液聚合 ;工藝設(shè)計AbstractEPDM, generally called ethylenepropylene elastomer, and norbornene (ENB) as the monomer copolymerized with ethylene, propylene is the third major SR after SBR and BR. At present the production capacity of EPDM accounts for about 10% of the total production capacity of SR in the world. EPDM has wide range of application fields because of its excellent performance. Besides the traditional application fields such as auto industry, waterproof building materials, polymer modification, oil additives, electric wire and cable, athletic field and various mechanical parts, EPDM can also be used in food packaging, antimicrobial, heat insulation and inflaming retarding, and other elastomer products. It is annual output of 50,000tons of ethylenepropylene rubber device polymerization Section process design, the polymerization of ethylenepropylene rubber by solution polymerization process, the catalyst used for the vanadium oxytrichloride, vanadium, auxiliary catalyst is alkyl aluminum, solvent hexane. material balance, heat balance, reaction of a device such as the calculation finished based on the production principle of aggregation methods, process and other work ?;づc材料工程學(xué)院畢業(yè)設(shè)計 5萬噸/年乙丙橡膠裝置聚合工段工藝設(shè)計50,000 tons/year ethylenepropylene rubber polymer devices section process design 學(xué)生學(xué)號 學(xué)生姓名專業(yè)班級 指導(dǎo)教師 完成日期吉林化工學(xué)院Jilin Institute of Chemical Technology化工與材料工程學(xué)院畢業(yè)設(shè)計摘 要乙丙橡膠,統(tǒng)稱乙丙彈性體,是僅次于丁苯橡膠和順丁橡膠的第三大合成橡膠,是以乙烯、丙烯及乙叉降冰片烯(ENB)為單體共聚而成。including area of the hexane heater named E0203 is ?? square meters, length of heat exchangers tube is 6 meters, the diameter of the reactor R0201 is , height is , determined the head of the polymer feed pump is , and the power of the pump is , he total volume of the V0201 is 37 stere. And draw a piping layout of the reactor, flow chart with control points, edit the design instruction and so on.Key Words:Ethylenepropylene rubber;solutio