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对两类直馏与催化裂化柴油所配制的八种不同比例的混合油进行测定和分析表 明，随含催化裂化油比例增加．密度增大；十六烷值和热值都降低；粘度变化不大； 蒸发性能基本满足柴油机要求；点火延迟期增长；爆压和压升率增大；油耗因热值减 小而增高；ＮＯ和ＣＨ的排放增加．比例大于４０％后，需采取适当的技术措施才 可使燃烧性能满足要求。
The determination and analysis of eight different proportions of blends prepared from two types of straight-run and FCC diesel oils show that the proportion increases with the amount of catalyst-containing cracked oil. The density increases; the cetane number and the calorific value all decrease; the viscosity changes little; the evaporation performance basically satisfies the diesel engine requirement; the ignition delay period increases; the explosion pressure and the pressure rise rate increase; the fuel consumption increases as the calorific value decreases; And CH emissions increase. After the proportion is greater than 40%, appropriate technical measures need to be taken before the combustion performance can be met.