大唐内蒙古多伦煤化工年产168万t甲醇（46万t聚丙烯）是目前国内已投产的单套最大生产能力的装置。2011年6月21日15时58分大唐内蒙古多伦煤化工年产168万t甲醇合成装置投料开车成功产出粗甲醇，三塔甲醇精馏装置于2011年6月30日15时16分产出合格精甲醇产品，产品品质达到了GB338—2004优等品指标。经过生产操作实际情况，对百万吨甲醇三塔精馏的自动化控制应用进行了总结，为现代大型煤化工的自动化控制提供操作经验。%：Datang Inner Mongolia Duolun coal chemical industry with an annual output of 1.68 million tons of methanol （46 million tons of polypropylene） is the domestic production of a single set of maximum production capacity of the device. June 21, 2011 15：58, Datang Inner Mongolia Duolun coal chemical industry with an annual output of 1. 68 million tons of methanol synthesis plant feed production successfully and produced crude methanol, the three columns of methanol distillation unit output the qualified refined methanol product at June 30 ,2011 15：16, product quality has reached the GB338 - 2004 high - class product indicators. After the actual situation of operating, summarized, one million tons of methanol three columns distillation with the automation control applications and provided experience for automatic control of the modern large - scale coal chemical industry operating.
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