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以本工作第一部分中所提出的表征热源作用下管式和套管式等截面喷枪气体流动特性的基本方程和计算公式，分析了１８ｔＡＯＤ炉用套管式喷枪的气体流动特性，考察了加热和摩擦效应、供气压力、气体种类和成分等的影响，结果表明，热源的存在对等截面喷枪内气体流动特性有相当大的影响．其效果与增强摩擦效应相一致，使出口气量显著减小；对应用于实际冶金过程的等截面喷枪进行设计和气体流动特性计算时，按绝热摩擦流处理会产生相当大的偏差，必须考虑来自高温熔体和耐火炉衬等的加热效应；供气压力对等截面喷枪内的气体流动特性有决定性的作用；喷吹气体种类和成分会影响等截面喷枪内气体流动特性，对于给定的喷枪和体系，喷吹不同的气体时应根据工艺要求采用不同的喷吹参数
Based on the basic equation and calculation formula of the gas flow characteristics of tube-type and sleeve-type cross-section lances, which were proposed in the first part of this work, the gas flow characteristics of the casing type lance for 18tAOD furnace were analyzed. The effects of heating and Friction effect, supply pressure, gas type and composition, the results show that the existence of heat source has a considerable influence on the gas flow characteristics in the spray gun with equal cross section. The effect is consistent with the enhanced friction effect, resulting in a significant reduction in outlet gas volume; when designing iso-section guns for practical metallurgical processes and gas flow characteristics calculations, adiabatic friction flow treatment produces considerable deviations that must be considered High temperature melt and refractory lining and other heating effects; gas pressure on the gas cross-section cross-sectional gun flow characteristics have a decisive role; gas injection type and composition will affect the gas cross-sectional spray gun flow characteristics for a given gun and System, different gas injection should be based on process requirements using different injection parameters