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    • 3. 发明授权
    • Process for the production of acetylene and synthesis or reduction gas
from coal in an electric arc process
    • 在电弧工艺中从煤生产乙炔和合成或还原气的方法
    • US4588850A
    • 1986-05-13
    • US644420
    • 1984-08-27
    • Richard MuellerLothar KerkerCornelius Peuckert
    • Richard MuellerLothar KerkerCornelius Peuckert
    • C07C1/00C07C11/24C07C67/00C10J3/02C10J3/18C10J3/46C07C4/02C07C5/35
    • C10J3/46C07C1/00C10J2300/1238
    • For the manufacture of acetylene and synthesis or reduction gas from coal by means of an electric arc or plasma process, coal converted into powder form is pyrolyzed in an electric arc reactor with an energy density of 1 to 5 kWh/Nm.sup.3, a residence period of 0.5 to 10 msec and at a temperature of at least 1500.degree. C. such that the gaseous compounds derived from the coal do not exceed 1.8 times the so-called volatile content of the coal. The coke remaining after subsequent quenching is then fed to a second electric arc reactor in which the coke, by means of a gasifying medium in conjunction with heating by means of an electric arc or plasma process, is converted into synthesis or reduction gas furing a residence period of 1 to 15 sec and at a temperature of at least 800.degree. C. The gas flow from the pyrolysis zone is cleaned and acetylene is recovered therefrom by selective solvents. The gas from the cleaning stage is similarly cooled and cleaned.
    • 对于通过电弧或等离子体工艺从煤制造乙炔和合成或还原气体,转化为粉末形式的煤在能量密度为1至5kWh / Nm 3的电弧反应器中热解,其停留时间为 0.5至10毫秒,并且在至少1500℃的温度下,使得衍生自煤的气态化合物不超过所谓的煤的挥发成分的1.8倍。 然后将随后淬火后残留的焦炭进料到第二电弧反应器中,其中通过气化介质结合通过电弧或等离子体方法的加热将焦炭转化成合成或还原气体, 时间为1至15秒,温度至少为800℃。来自热解区的气流被清洁,通过选择性溶剂从其中回收乙炔。 来自清洁阶段的气体被类似地冷却和清洁。