| 苯抽提蒸馏装置运行分析及高负荷运转解决措施 |
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| 引用本文： | 竺家培,刘仕成.苯抽提蒸馏装置运行分析及高负荷运转解决措施[J].石油炼制与化工,2011,42(7):17-20. |
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| 作者姓名： | 竺家培 刘仕成 |
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| 作者单位： | 中国石化青岛炼油化工有限责任公司; |
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| 摘 要： | 介绍了青岛炼油化工有限公司200 kt/a苯抽提蒸馏装置自08年首次开工以来在生产运行过程中出现的抽提蒸馏塔塔底重沸器和溶剂回收塔塔底重沸器内漏、抽提蒸馏塔塔釜液泛、原料中苯含量波动大、苯闪蒸罐满罐、贫溶剂酸化等问题及解决措施。并提出了装置大负荷运行的应对措施，即降低溶剂比、提高原料中的C6组分含量、稳定助溶剂含量等，以确保苯抽提蒸馏装置在运行负荷高于设计值时仍能稳定运行，从而保证了苯产品质量和收率的稳定。
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| 关 键 词： | 环丁砜 抽提蒸馏 溶剂比 苯 重沸器 |
| 收稿时间： | 2011-01-17; |
OPERATION ANALYSIS OF BENZENE EXTRACTION DISTILLATION UNIT AND MEASURES FOR OPERATING UNDER HEAVY LOAD |
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| Zhu Jiapei,Liu Shicheng.OPERATION ANALYSIS OF BENZENE EXTRACTION DISTILLATION UNIT AND MEASURES FOR OPERATING UNDER HEAVY LOAD[J].Petroleum Processing and Petrochemicals,2011,42(7):17-20. |
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| Authors: | Zhu Jiapei Liu Shicheng |
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| Affiliation: | Zhu Jiapei,Liu Shicheng(SINOPEC Qingdao Refining & Chemical Co.Ltd.,Qingdao 266500) |
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| Abstract: | Problems and solutions during the operation of the 200 kt/a benzene extractive distillation unit at SINOPEC Qingdao Refining & Chemical Company since startup were summarized,such as leaking in reboilers of extractive distillation column and solvent recovery column,liquid flooding of extractive distillation column kettle,fluctuating of benzene content in feed,flooding of flash tank and acidification of lean solvent.In order to enhance the process capacity of the unit over design value,measures including incr... |
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| Keywords: | sulfolane extractive distillation ratio of solvent to feed benzene reboiler |
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