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Vessel for stripping oil from fluidized ash and char particles
Vessel for stripping oil from fluidized ash and char particles
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机译:用于从流化的灰和焦炭颗粒中汽提油的容器
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摘要
A vessel is provided for stripping oil from char particles of different density recovered from a pyrolysis of organic solid waste. The lower end of the vessel is of reduced diameter with a plurality of gas jets which direct gas inwardly and upwardly to direct stripping gas through the particles. A standpipe extends upwardly from the bottom of the vessel and terminates above the gas inlet jets. A gas outlet is provided at the top of the vessel. The particles are introduced at an intermediate level in the vessel. The top of the standpipe is covered with a screen mesh for limiting the size of particles which can enter the standpipe. The gas fluidizes the particles of different density which tend to concentrate at different levels in the fluidized bed because of their density differences. The standpipe terminates at a selected level within the fluidized particle bed which results in a desired mixture of the particles of different density being withdrawn from the fluidized bed through the standpipe.
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