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1.发明授权Heating process gas for indirect shale oil retorting through the combustion of residual carbon in oil depleted shale 失效用于间接页岩油的加热工艺气体通过在贫油页岩中残留碳的燃烧而蒸馏
公开(公告)号：US4439307A
公开(公告)日：1984-03-27
申请号：US510290
申请日：1983-07-01
CPC分类号： C10G1/02
摘要： Hot oil depleted shale from an indirect oil shale retorting process is charged into the top of a vertical shaft furnace together with sufficient oxygen to combust the residual carbon in the shale. Recycle process gas is fed into the bottom of the furnace for direct heating by the spent shale. The heated recycle process gas and combustion gases are withdrawn from the furnace separately to minimize dilution of the high BTU process gas. A selected quantity of coarse, cooled spent shale discharged from the bottom of the furnace is recycled to the top to moderate the temperature of combustion.
摘要翻译： 从间接油页岩蒸馏过程中将热油耗尽的页岩与足够的氧气一起装入垂直竖炉的顶部，以使页岩中的残留碳燃烧。 回收工艺气体被输送到炉底部，由废页岩直接加热。 加热的再循环工艺气体和燃烧气体分别从炉中取出，以最小化高BTU工艺气体的稀释度。 从炉底排出的选定量的粗，冷却的废页岩再循环到顶部以调节燃烧温度。
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2.发明授权Process for recovering heat from the combustion of residual carbon in oil depleted shale 失效在耗油页岩中从残余碳燃烧中回收热量的方法
公开(公告)号：US4490237A
公开(公告)日：1984-12-25
申请号：US510289
申请日：1983-07-01
CPC分类号： C10G1/02
摘要： As hot oil depleted shale from an indirect retorting process passes downward through a vertical shaft furnace, the residual carbon in the shale is burned out in the upper portion by air fed into the top of the furnace. The temperature of combustion is moderated by an inert gas also fed into the top of the furnace. Additional inert gas fed into the bottom of the furnace flows upward in countercurrent contact with the descending hot shale to cool the shale and heat the inert gas. The downwardly flowing gases from the upper, combustion portion of the furnace and the upwardly flowing gas from the lower, cooling portion are withdrawn from the furnace intermediate the upper and lower portions. The inert gas can be recycle gas which is heated by direct contact with the hot shale, a separate inert gas which is circulated through the heat exchanger to heat the recycle gas or a combination of the two.
摘要翻译： 由于间接蒸馏过程的热油贫化页岩向下通过垂直竖炉，页岩中的残留碳气通过进入炉顶的空气在上部被燃烧。 燃烧温度通过也送入炉顶部的惰性气体来缓和。 进入炉底的额外的惰性气体向下流动，与下降的热页岩逆流接触，以冷却页岩并加热惰性气体。 来自炉的上部燃烧部分的向下流动的气体和来自下部冷却部分的向上流动的气体在上部和下部中间从炉中排出。 惰性气体可以是循环气体，其通过与热页岩直接接触而被加热，单独的惰性气体通过热交换器循环以加热循环气体或两者的组合。
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