Control Characteristics of Cryogenic Distillation Column with a Feedback Stream for Fusion Reactor.

DOI Web Site 参考文献18件
  • YAMANISHI Toshihiko
    Tritium Engineering Laboratory, Japan Atomic Energy Research Institute
  • OKUNO Kenji
    Tritium Engineering Laboratory, Japan Atomic Energy Research Institute

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  • Control Characteristics of Cryogenic Di

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<BR>The control characteristics of the cryogenic distillation column with a feedback stream have been discussed based on computer simulation results. This column plays an important role in fusion reactor. A new control system was proposed from the simulation results. The flow rate of top product is determined from the composition and flow rate of a main feed stream by a feedforward control loop. The flow rates of the feedback stream and vapor stream within the column are proportionally changed with a corresponding change of feed flow rate. The flow rate of vapor stream within the column is further adjusted to maintain product purity by a feedback control loop. The proposed system can control the product purity for a large fluctuation of feed composition, a change of feed flow rate, and an increase or decrease of the number of total theoretical stages of the column. The control system should be designed for each column by considering its operating conditions and function. The present study gives us a basic procedure for the design method of the control system of the cryogenic distillation column.

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