推薦產(chǎn)品
3-(4-chlorophenyl)-4-phenyl-4,5-dihydro-1H-pyrazole 2-(chloromethyl)-3-methylpyridinehydrochloride 1-(2-bromo-4-methylphenyl)ethanone 3-chloroisoquinoline-4-carbonitrile 5,8-dichloropyrido[3,2-d]pyridazine 2-bromomalononitrile 2-(4-(bromomethyl)phenyl)benzo[d]thiazole 1-(bromomethyl)-3-methoxy-2-nitrobenzene 6-bromo-1H-[1,2,3]triazolo[4,5-b]pyridine 4-iodo-2-((trimethylsilyloxy)methyl)thiazole 6-iodoimidazo[1,2-a]pyridine-3-carbonitrile 2-(4-chlorophenyl)-2-morpholinoacetonitrile 4-chloro-7H-pyrrolo[2,3-d]pyrimidine 4-chloroisothiazole 5-bromo-6-chloro-1H-indole 7-chloro-3H-imidazo[4,5-b]pyridine ethyl3-(4-formylphenyl)propanoate 2,3-dibromobenzaldehyde 1-(5H-chromeno[2,3-b]pyridin-7-yl)ethanone 5H-chromeno[2,3-b]pyridin-5-one 3-chloroisoquinoline-4-carbaldehyde (E)-2-(3-oxoprop-1-enyl)benzaldehyde methyl4-formyl-3-nitrobenzoate 5,6-dimethoxy-2,2-dimethyl-2,3-dihydro-1H-inden-1-one 1-methylbicyclo[4.1.0]heptan-3-one 3-nitro-4-(trifluoromethoxy)benzaldehyde 2-hydroxyquinoline-6-carbaldehyde 2-nitro-3-(trifluoromethyl)benzaldehyde 1-(2-fluoro-4-methoxyphenyl)propan-2-one tert-butyl3-fluoro-4-oxopiperidine-1-carboxylate tert-butyl3-oxopropylcarbamate 2,2-dimethylcyclohexanone 9H-carbazole-3-carbaldehyde N,N-dimethyl-2-oxoacetamide 2-methylpent-4-yn-2-ol 3-tert-butyl-4-hydroxybenzonitrile 4-bromo-2-tert-butylphenol 1,3-dibutoxypropan-2-ol methyl4-hydroxyquinoline-6-carboxylate methyl3-cyano-4-hydroxybenzoate 4-chloro-6-methoxyquinolin-7-ol 3,4-dihydro-2H-benzo[b][1,4]oxazin-7-ol 2-(2-aminothiazol-5-yl)ethanolhydrochloride (R)-ethyl2-chloropropanoate (S)-4-amino-5-(4,4-dimethylcyclohexylamino)-5-oxopentanoicacid (1s,4s)-4-hydroxycyclohexanecarboxylicacid (S)-2-(tetrahydrofuran-3-yloxy)aceticacid (1S,4R)-1-methyl-4-(prop-1-en-2-yl)cyclohex-2-enol (R)-4-(hydroxymethyl)oxazolidin-2-one (S)-4-(hydroxymethyl)oxazolidin-2-one 化工資訊 中國石化新聞網(wǎng)訊近日，中韓石化環(huán)氧芳烴部EO/EG裝置環(huán)氧乙烷(EO)擴(kuò)能改造項(xiàng)目順利完工。
該項(xiàng)目涉及EO精制單元優(yōu)化改造、增產(chǎn)EO脫瓶頸改造、增產(chǎn)優(yōu)化改造以及乙二醇(EG)精制系統(tǒng)低負(fù)荷脫瓶頸等關(guān)鍵技改技措項(xiàng)目，具體涵蓋了EO汽提和再吸收單元、EO精制單元、乙二醇水合反應(yīng)單元以及乙二醇和多乙二醇精制分離單元，是此次EO/EG裝置大檢修中工程量最多、難度最大的技改技措項(xiàng)目。
該項(xiàng)目更換EO精制塔C-410內(nèi)98塊篩板塔內(nèi)件為NS?傾斜長條復(fù)合立體并流高效塔內(nèi)件，新增加換熱器E-410N、E-411N以及附屬系統(tǒng)；更換再吸收塔C-320內(nèi)蘇爾壽塔內(nèi)件，新增換熱器E-322D/E；新增機(jī)泵P-530C、P-610C、P-620C、P-630C；優(yōu)化了諸多跨線、管道尺寸、儀表閥門、流量計(jì)、進(jìn)料密度計(jì)以及消防水系統(tǒng)等工藝流程和設(shè)備。這些技改技措不僅能夠讓EO設(shè)計(jì)值由26.25t/h擴(kuò)大到33.75t/h，也能有效降低EG生產(chǎn)負(fù)荷，實(shí)現(xiàn)EG系統(tǒng)間歇生產(chǎn)以及系統(tǒng)自身熱能再利用，達(dá)到了增產(chǎn)創(chuàng)效、節(jié)能降耗的目的。改造后可根據(jù)EO和EG的市場行情，調(diào)整環(huán)氧乙烷和乙二醇產(chǎn)品的生產(chǎn)能力，增加了生產(chǎn)操作彈性，可實(shí)現(xiàn)裝置效益最優(yōu)化。
為了確保整個(gè)技改項(xiàng)目能夠按時(shí)保質(zhì)保量完成，該專項(xiàng)小組成員積極配合施工人員，嚴(yán)格落實(shí)了高處、破土、動火、起重和受限空間等作業(yè)的規(guī)章制度，確保了作業(yè)人員零事故。經(jīng)過兩個(gè)半月的全力奮戰(zhàn)，EO擴(kuò)能技改技措項(xiàng)目已經(jīng)順利完工，并打通了相關(guān)單元的流程，且完成了氣密、水壓測試以及機(jī)泵儀表聯(lián)調(diào)聯(lián)試。截至12月20日，EO/EG裝置已經(jīng)進(jìn)入熱運(yùn)待開工狀態(tài)。
