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    • 4. 发明授权
    • Method and apparatus for determining the progress of a uranium oxyfluoride conversion reaction in a furnace and for controlling the reaction
    • 用于确定炉中铀氧氟化物转化反应进程并控制反应的方法和装置
    • US07374940B2
    • 2008-05-20
    • US10203445
    • 2001-02-09
    • André Feugier
    • André Feugier
    • G01N1/26G01N1/22G01N33/00C01G43/00
    • G21C3/623C01G43/025C01P2006/80G01N33/0036Y02E30/38Y10T436/12Y10T436/153333Y10T436/16Y10T436/207497
    • A substance in a condensed state, for example a powdered solid, is in continuous movement in the longitudinal direction (6) of a furnace (4, 5). A reactive gas mixture is brought into contact with the substance in the condensed state. A plurality of samples of the gaseous mixture are removed at a plurality of reference points (14) spaced apart from one another along the longitudinal direction (6) of the furnace (4, 5); each of the gas samples is analyzed outside the furnace to determine the composition of the gas mixture and for each point (14), the extent of a chemical reaction between the condensed substance and the reactive gas mixture is deduced from the composition of the gas mixture at each of the reference points (14). In particular, the apparatus comprises a sampling and injection rod (10) introduced into the furnace (4, 5) and disposed in its longitudinal direction (6). The invention is of particular application to modeling a rotary furnace (4, 5) for converting uranium oxyfluoride into uranium oxides and for controlling the conversion reaction in the furnace (4, 5).
    • 处于冷凝状态的物质,例如粉末状固体,在炉(4,5)的纵向(6)上连续运动。 使反应性气体混合物与冷凝状态的物质接触。 多个样品的气体混合物在沿着炉子4,5的纵向方向(6)彼此间隔开的多个参考点(14)处被去除; 在炉外分析每个气体样品以确定气体混合物的组成,并且对于每个点(14),从气体混合物的组成推导出冷凝物质和反应性气体混合物之间的化学反应的程度 在每个参考点(14)处。 特别地,该装置包括被引入炉(4,5)中并沿其纵向方向(6)设置的取样和注入杆(10)。 本发明特别适用于将用于将铀氧氟化物转化为铀氧化物并用于控制炉子(4,5)中的转化反应的旋转炉(4,5)的建模。