载流法制备硫酸露点腐蚀模拟气体的试验研究

刘志峰,朱志平,石纯,黄赵鑫

Preparation of Sulfuric Acid Vapor for Simulation of Sulfuric Acid Dew Point Corrosion by Inert Gas Carrying Method

Zhifeng LIU,Zhiping ZHU,Chun SHI,Zhaoxin HUANG

表1 硫酸的沸腾温度-蒸汽相成分

Table 1 Boiling temperature of sulfuric acid-vapor phase composition

Liquid phase composition / %H2SO4 Boiling temperature / ℃ Steam phase composition 0 100.0 H2O 5 101.0 H2O 10 102.0 H2O 15 103.1 H2O 20 104.3 H2O 25 105.8 H2O 30 107.7 H2O 35 110.0 H2O 40 113.2 H2O 45 117.2 H2O 50 122.7 H2O 52 125.1 H2O 55 129.6 H2O 58 134.5 H2O 60 138.3 H2O 62 142.4 H2O 65 149.3 H2O 68 156.8 H2O 70 162.8 H2O 72 169.1 H2O 75 179.3 H2O 78 190.4 H2O 80 199.2 H2O 82 208.4 H2O 85 223.1 0.001%H2SO4 88 241.7 0.063%H2SO4 90 260.6 0.47%H2SO4 92 282.2 3.65%H2SO4 94 308.1 17.9%H2SO4 95 321.3 34.6%H2SO4 96 331.1 59.4%H2SO4 97 336.8 83.15%H2SO4 98.33 338.8 98.33%H2SO4 99 322.4 60.5%H2SO4 100 279.6 26.9%H2SO4