【摘要】 采用高效导向筛板与填料对乙酸乙烯 -乙酸甲酯精馏塔进行了技改设计。技改后扩大生产能力 40 % ,大幅度提高了分离效率 ,节能 30 % ,降低原料消耗 1380t/a。技改的设备投资为 6万元 ,年增经济效益 772万元更多还原

【Abstract】 The high efficient flow guided sieve tray and packing are adopted in the innovation of vinyl acetate Methanol methyl acetate distillation column.Thereatter,the product capacity is increased by 40% and the seperation effect is greatly increased too.About 30% energy is saved and the material consumption is decreased to 1?380 ton every year.The equipment investment was about RMB 60 thousand and the increased profit was about RMB 7.72 million every year.更多还原