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    • 1. 发明专利
    • SOLUTION CONCENTRATING APPARATUS
    • JP2000225388A
    • 2000-08-15
    • JP6540099
    • 1999-02-03
    • HIKARI SHOKUHIN KK
    • KODAMA NORIYUKI
    • A23L27/40B01D1/00C01D3/06C02F1/04
    • PROBLEM TO BE SOLVED: To provide a space saving type soln. concentrating apparatus good in heat efficiency. SOLUTION: A soln. concentrating apparatus is fundamentally constituted of an evaporation means A, the digestion means B provided to one end of the evaporation means A and the nucleate boiling means C provided to the other end of the evaporation means A. For example, when seawater is conc. to obtain salt, at first, seawater is preheated in the primary preheating flow passage 9 of the evaporation means A and the secondary preheating flow passages 15, 16 of the digestion means B and heated in a heating pipe part 3a to be evaporated in a primary evaporation chute 1. Subsequently, seawater is scattered by the rotary blades 24 of the nucleate boiling means C to be subjected to nucleate boiling and evaporated in a secondary evaporation chute 2. Finally, seawater is boiled down in the digestion vessel 11 of the digestion means C by a burner 13 to obtain salt. The remaining heat of the combustion gas of the burner 13 is thoroughly utilized and the evaporation means A, the digestion means B and the nucleate boiling means C are combined to achieve concn. good in heat efficiency not achieved heretofore.