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    Procedure for eliminating temperature fluctuation of a liquid to be supplied into a distilling apparatus
    4.
    发明公开
    Procedure for eliminating temperature fluctuation of a liquid to be supplied into a distilling apparatus 失效
    消除将液体加入蒸馏装置的温度波动的步骤

    公开(公告)号：EP0142251A3

    公开(公告)日：1985-07-31

    申请号：EP84306409

    申请日：1984-09-19

    申请人： OY-FINN-AQUA LTD.,

    发明人： Huhta-Koivisto, Esko

    IPC分类号： B01D03/00 ,  B01D03/42

    CPC分类号： B01D1/007 ,  B01D3/007 ,  Y02P70/34

    摘要： The invention concerns a procedure for eliminating the temperature fluctuations of a liquid to be distilled that is being supplied into a distilling apparatus. In the procedure, the feed water is caused to flow by a first branch line (14a) through a distillate heat exchanger (12) and by a second branch line (14b) through an effluent heat exchanger (13) for preheating the feed water. The effluent water is caused to flow from the distilling apparatus (10) by an effluent line (19) to an effluent heat exchanger (13) for recovering the heat contained in the effluent. The mixture of distillate, vapour and gas is conducted from the distilling apparatus (10) by a flowline (16) to a degassing heat exchanger (11), where the heat contained in the mixture is recovered and the recovered heat is utilized in preheating the feed water by conducting the feed water after said distillate heat exchanger (12) and said effluent heat exchanger (13) by a header line (15) through the degassing heat exchanger (11) and further by a tubular connector (20) to the distilling apparatus (10). The degassing heat exchanger (11), the distillate heat exchanger (12) and the effluent heat exchanger (13) are formed to have such a high capacity that the distilling apparatus (10) will, in conditions consistent with feed water minimum temperature, operate without need of external energy. In the first branch line (14a) there is provided a by-pass line (22) through which part of the feed water is caused to run past said distillate heat exchanger (12) to said header line (15) in case the temperature of the feed water is higher than said minimum temperature. The quantity of feed water flowing in the by-pass line (22) is adjusted by an adjustable flow restrictor (23) which has been disposed to be controlled by a thermostat (21) disposed within the distilling apparatus (10).