影响高压系统二氧化碳转化率的因素分析与优化  

FACTORS THAT INFLUENCE CARBON DIOXIDE CONVERSION RATE IN HIGH PRESSURE SYSTEM IN UREA PLANT

作　　者：刘贺 蒋刚 邹波 

机构地区：[1]重庆建峰化工股份有限公司化肥分公司,重庆408601

出　　处：《大氮肥》2017年第4期236-239,共4页Large Scale Nitrogenous Fertilizer Industry

摘　　要：尿素装置高压系统的二氧化碳转化率是尿素装置实现经济生产运行的重要指标之一,转化率直接影响到尿素生产成本,在运行中发现转化率均低于设计值。经过分析,认为高压系统氨碳比偏低、水碳比偏高、惰性气体含量偏大是主要原因,通过各项控制措施的实施,实现了二氧化碳转化率的提高。Carbon dioxide conversion rate in high pressure system is one of the most important index indicating the performance of urea plant, and impacts directly on urea production cost. However we found the conversion rate was lower than the design data during operation. The analysis showed that the main reasons were the lower ammonia carbon ratio, higher steam carbon ratio, and higher content of inert gases in high pressure system. By taking several control measures, the higher carbon dioxide conversion rate was achieved.

关 键 词：转化率 氨碳比 水碳比 惰性气体 

分 类 号：TQ441.41[化学工程—化学肥料工业]