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    Desalination and power generating system
    12.
    发明授权
    Desalination and power generating system 失效
    海水淡化和发电系统

    公开(公告)号：US3352107A

    公开(公告)日：1967-11-14

    申请号：US51458165

    申请日：1965-12-17

    Applicant: COMBUSTION ENG

    Inventor： BLASKOWSKI HENRY J

    IPC: C02F1/04 ,  C02F1/10 ,  C02F1/16 ,  F01K17/04

    CPC classification number: C02F1/10 ,  C02F1/04 ,  C02F1/16 ,  F01K17/04 ,  Y02A20/128 ,  Y10S159/39 ,  Y10S203/11 ,  Y10S203/21

    Abstract: 1,142,391. Direct contact steam generators. COMBUSTION ENG. Inc. 17 Nov., 1966 [17 Dec., 1965], No. 51650/66. Heading F4A. [Also in Divisions B1 and F1] In a system for the distillation of saline water and the generation of power, steam is circulated by compressor 14 through a cycle including a superheater 12 and an evaporator 18 wherein preheated saline water is contacted with the superheated steam so that at least part of the water is evaporated, some of the steam is withdrawn from the cycle through conduit 26 and, after being superheated in heater 28, is employed to produce power by expansion in multistage turbine 32. The steam discharged from the low pressure stage LP of the turbine flows to condenser 34 which is cooled by indirect heat-exchange with saline water, part of which then flows through a series of open heaters 48 to evaporator 18. The condensate formed in condenser 34, i.e. purified water, is collected in tank 36. Excess saline water over and above that necessary as feed for the evaporator 18 is directed from condenser 34 through conduit 44 back to the source. The exhaust steam from the high pressure turbine stage is reheated in heater 28 and conveyed to the intermediate pressure stage and then to the low pressure stage of the turbine. Part of the reheated steam from heater 28 is, however, employed in turbine 15 which drives compressor 14. The exhaust from turbine 15 is conveyed through conduit 17 to condenser 34. In the open heaters 48, the feedwater is contacted with steam which is bled off from turbine 32. The preheated and diluted saline water from the last heater 48 is then sprayed into evaporator 18 where all the water is vaporized, so that a mixture of dry salt and steam flows into separator 20. In an alternative arrangement, a quantity of concentrated brine is maintained in evaporator 18, and the superheated steam is introduced below the liquid level.

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