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介绍一种专门用于高炉喷吹烟煤系统检测气氛中O2和CO的在线分析装置。重点描述了取样和预处理系统的设计特点，并给出了该装置的主要性能指标与现场使用结果。
This paper introduces an on-line analytical device specially designed for the detection of O2 and CO in the atmosphere of blast furnace injection of bituminous coal. The design features of the sampling and pretreatment system are described emphatically, and the main performance indexes and field use results of the device are given.