1 800 kt/a甲醇合成装置技改总结 - 201905 - 肥料与健康
1 800 kt/a甲醇合成装置技改总结
Sum-Up of Technical Transformation of 1 800 kt/a Methanol Synthesis Unit
摘要:

1 800 kt/a甲醇合成装置在实际运行过程中出现了合成气压缩机干气密封一级密封气压差低、MTO级甲醇冷凝器和粗甲醇水冷器结蜡、合成气压缩机抽气器循环水回水温度高等问题,影响了装置的稳定运行。针对存在的问题采取了相应的技术改造措施,保证了甲醇合成装置的长周期、满负荷、安全稳定运行。

关键词:
Abstract:

Some problems occurred in actual operation of the 1 800 kt/a methanol synthesis unit, such as the low gas pressure difference of the first seal gas of the syngas compressor dry gas seals, the wax precipitation of the MTO grade methanol condenser and the crude methanol water condenser, high return water temperature of circulating water of extractor of the syngas compressor, etc., and these problems affect the stable operation of the unit. In connection with existing problems, corresponding technical transformation measures are taken, and the long-term, full-load, safe and stable operation of the methanol synthesis unit is ensured.

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