【正文】
水的密度 31 /980 mkg?? , %25 氨水的密度 32 /910 mkg?? ,內(nèi)差法計(jì)算得 %15 的氨水的密度 33 /945 mkg?? 設(shè)堿化劑的質(zhì)量為 100 kg ,氨水的質(zhì)量分?jǐn)?shù)為 %15 ,亞硫酸鈉固體的質(zhì)量分?jǐn)?shù)為 %4 ,所以水的質(zhì)量分?jǐn)?shù)為 %81 則: 15?氨水m kg , kg4?亞硫酸鈉m , 81?水m kg , 1000?水? 3mkg ,3/945 mkg?氨水? 氨水體積: 氨水氨水氨水 ?mV ? ( 32) ????氨水氨水氨水 ?mV 3m 水的體積: 水水水 ?mV ? 31081100081 ????水水水 ?mV 3m 堿化劑中亞硫酸鈉的體積忽略不計(jì),則堿化劑的總體積:233 ???????? 水氨水堿化劑 VVV 3m 堿化劑的密度: 33 / 100 mkgVm ????堿化劑堿化劑堿化劑? 求其他未知量 結(jié)晶分離工段中土霉素的質(zhì)量守恒,有公式 濕有效損失離心離心脫后脫后 mmUVUV ????? ( 33) 脫后V —— 脫色后液體的體積, 3m ; 脫后U —— 脫色后液體的效價(jià), Lkg ; 離心V —— 離心母液的體積, 3m ; 離心U —— 離心母液的效價(jià), Lkg ; 損失m —— 脫色分離過程中損失的土霉素的質(zhì)量, kg。 故: V = 頂凈 ( 1) V V = 3V頂凈 濾+ ( 2) V V = V V?頂凈 濾 渣+ ( 3) V =V +V頂 草高 ( 4) V = ( 5) 聯(lián)立( 1)( 2)( 3)( 4)( 5),代入數(shù)據(jù)得: V = 7L高 , V = , V = , V = 由效價(jià)守恒得: V U + V U = V U + V U? ? ? ?凈 凈 濾 濾高 高 渣 渣 代入數(shù)據(jù)得: U = /g ml?凈 過濾 濾液 凈化液 濾渣 損失 高單位 13 酸化工段 酸化液和草酸水的體積 在進(jìn)行酸化稀釋時忽略損失,則 凈稀液草酸水酸化液 VVV ?? ( 311) 草酸水V —— 草酸水的體積 , 3m ; 酸化液V —— 酸化液的體積 , 3m 。此類發(fā)酵罐是發(fā)酵工廠常用類型之一,他利用機(jī)械攪拌器的攪拌作用,使得空氣和料液充分混合,促使氧在料液何種溶解,以保證給微生物生長繁殖、發(fā)酵和代謝產(chǎn)物所需的氧氣。 ③ 要為車間的技術(shù)經(jīng)濟(jì)指標(biāo)先進(jìn)合理以及節(jié)能等要求創(chuàng)造條件。 ⑦ 本車間與其他車間在總平面圖上的位置合理,力求使它們之間輸送管線最 19 短,聯(lián)系最快 ⑧ 考慮建設(shè)地區(qū)的氣象、地質(zhì)、水文等條件。遵循操作方便、生產(chǎn)安全、維修便利、布局美觀的原則。 土霉素發(fā)酵工段的物料衡算進(jìn)行了詳細(xì)的計(jì)算,土霉素生產(chǎn)的物料流程圖和 PID圖提供數(shù)據(jù) 。 通過此次課程設(shè)計(jì)的訓(xùn)練,鍛煉了我們的獨(dú)立思考、分析設(shè)計(jì)等方面的能力,讓我們用端正的態(tài)度來對待本次設(shè)計(jì),認(rèn)認(rèn)真真的去做設(shè)計(jì)的每一步盡量把設(shè)計(jì)做的完美。 Despite only having front limbs, the boxer is able to not only balance, but also run really fast and play with the other dogs that joined him for the , Duncan 不僅能讓自己保持平衡,還能快速奔跑,和其余同他一起遠(yuǎn)足的狗 狗玩耍。 39。 ”主人們說。trooper39。s happy, healthy and as far as he knows, normal too.39。t built to have back legs and that39。m thankful to PSG for giving me the opportunity to continue but I feel now is the right time to finish my career, playing at the highest level. If you had told me as a young boy I would have played for and won trophies with my boyhood club Manchester United, proudly captained and played for my country over one hundred times and lined up for some of the biggest clubs in the world, I would have told you it was a fantasy. I39。 sacrifice, which made me realise my dreams. I owe everything to Victoria and the kids, who have given me the inspiration and support to play at the highest level for such a long period. I also want to thank Simon Fuller and his team for their continued support. I want to thank all my teammates, the great managers that I had the pleasure of learning from. I also want to thank the fans who have all supported me and given me the strength to succeed. Nothing will ever pletely replace playing the game I love, however I feel like I39。s my time to give back. 。m genuinely excited about what lies ahead. I39。t have achieved what I have done today without my family. I39。 “他如果能有四條腿當(dāng)然最好,但是他天生就失去了后肢,這也 沒什么關(guān)系,無論是他還是我們都已經(jīng)適應(yīng)了這一點(diǎn)。 ”39。s Facebook page: 39。 Duncan39。 his owners said. “我們讓他自由地用兩條腿行走。 His owners, who posted the video on YouTube, said he has a wheelchair but doesn39。 In an adorable video showing his first trip to the beach, Duncan Lou Who can been seen excitedly galloping along the sand and paddling in the 展現(xiàn)了名叫 Duncan Lou Who 的狗第一次來到海邊的場景,他興奮地在沙灘上 飛奔、或是趟水嬉 20 戲。發(fā)通過本次設(shè)計(jì),首先對土霉素的生產(chǎn)工藝流程有了進(jìn)一步的 了解,熟悉了一級種子液和二級種子液的培養(yǎng)及三級發(fā)酵操作和控制。 第 六 章 結(jié)論 本設(shè)計(jì)重點(diǎn)是對土霉素生