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    • 61. 发明专利
    • Temperature control method for distillation column
    • 蒸馏塔温度控制方法
    • JP2011256156A
    • 2011-12-22
    • JP2011009012
    • 2011-01-19
    • Mitsubishi Chemicals CorpSekiyu Combinat Kodo Togo Unei Gijutsu Kenkyu Kumiai三菱化学株式会社石油コンビナート高度統合運営技術研究組合
    • OTA YOSHINORIOISHI TOMOMI
    • C07C7/04C07B63/00C07C9/14
    • Y02P30/462
    • PROBLEM TO BE SOLVED: To provide a temperature control method for a distillation column which enables the stable temperature control of a distillation column, hardly gives a loss of hydrocarbon fraction and is highly efficient.SOLUTION: In a facility for treating a product generated by naphtha cracking, the method controls the temperature of a distillation column 12 of a distillation facility which separate and eliminate heavy substances from the C5 fraction obtained by separating the naphtha-cracked product. In the temperature control method, the temperature of the column base of the distillation column 12 is controlled so that the amount of 5C hydrocarbon in a discharge liquid from the column base of the distillation column 12 becomes at most 3 wt.%. Since the temperature of the column base does not change greatly even when the temperature at the middle stage of the distillation column 12 made a sudden change, by controlling the temperature of the column base, the stable temperature control of the distillation column 12 becomes possible and the temperature control of the distillation column 12 with a small loss of hydrocarbon fraction and high efficiency can be performed.
    • 要解决的问题:为了提供能够进行蒸馏塔的稳定的温度控制的蒸馏塔的温度控制方法,几乎​​不会导致烃馏分的损失,并且是高效的。 解决方案:在用于处理由石脑油裂解产生的产物的设备中,该方法控制蒸馏设备的蒸馏塔12的温度,其从通过分离石脑油裂解产物获得的C5馏分中分离和消除重物质。 在温度控制方法中,控制蒸馏塔12的塔底的温度,使来自蒸馏塔12的塔底的排出液中的5℃的碳量变为3重量%以下。 由于即使在蒸馏塔12的中间阶段的温度突然变化的情况下,塔底温度也不会发生很大的变化,所以通过控制塔底的温度,蒸馏塔12的稳定的温度控制成为可能, 可以进行具有小的烃馏分损失和高效率的蒸馏塔12的温度控制。 版权所有(C)2012,JPO&INPIT