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500噸/年2,4-二甲酚車間工藝設(shè)計(jì)
---精餾塔的設(shè)計(jì)
摘 要：2,4-二甲酚是重要的有機(jī)合成中間體，可用于酚醛樹脂、增塑劑、醫(yī)藥、消毒劑、殺蟲劑、染料和潤滑油等。本文介紹了2,4-二甲酚的性質(zhì)及用途、主要生產(chǎn)方法、市場前景及發(fā)展趨勢， 確定了年產(chǎn)500噸2,4-二甲酚的車間工藝。主要是以2,4-二甲基苯胺為原料，制成重氮鹽，再將重氮鹽進(jìn)行水解。在工藝設(shè)計(jì)中，我主要負(fù)責(zé)2,4-二甲酚精餾塔的具體設(shè)計(jì)，根據(jù)物料衡算的結(jié)果，確定了2,4-二甲酚精餾塔的工藝參數(shù)和塔體類型及特征尺寸等，經(jīng)最終核算所設(shè)計(jì)的的精餾塔符合工藝要求。
關(guān)鍵詞：2,4-二甲酚；填料型精餾塔；相對揮發(fā)度。
Process design of 2,4–xylenol workshop with annual output of 500 tons
---- The design of rectifying tower
Abstract: 2,4-xylenol is an important organic synthetic intermediates. It can be used in the phenolic resin, plasticizer, pharmaceuticals, disinfectants, pesticides, dyes, lubricants, etc. This paper mainly introduces the properties and usage, main production methods, market prospect and development trend of 2,4–xylenol, and designs the production process of 2,4-xylenol with annual output of 500 tons.2,4-dimethyl aniline as raw material, after diazotization, then hydrolysis. 2,4-xylenol was got. In process design, I mainly responsible for 2,4-xylenol rectification tower design. According to the result of material balance, the process parameters of 2,4-xylenol distillation and the tower body type and feature sizes were determined.
Keywords: 2, 4-xylenol; Packing type rectifying column; The relative volatility.
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