空分装置低压氧气系统运行改造

Operation and Renovation of Low Pressure Oxygen System of Air Separation Unit

介绍了空分装置低压氧气系统的工艺流程、工艺参数及配套设备,分析了低压氧气系统运行中存在的液氧泵运行不稳定、空浴式汽化器不能满足液氧汽化温度的原因。针对存在的问题,通过2次改造,彻底解决了低压氧气系统存在的问题,较好地满足了硫回收装置燃烧炉稳定运行的要求,同时降低了低压氧气系统运行成本。

An introduction is given to the process flow, process parameters and associated equipment of low pressure oxygen system of air separation unit, and an analysis is made of reasons in operation of low pressure oxygen system such as unstable operation of liquid oxygen pump, and ambient air vaporizer being unable to meet the requirement of liquid oxygen vaporization temperature. In connection with existing problems, through two renovations, the problems of low pressure oxygen system have been solved completely, the requirement of stable operation of combustion furnace for sulfur recovery is satisfied, at the same time the operation cost of the low pressure oxygen system is reduced, good economic benefit is realized.