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    • 3. 发明授权
    • Absorption type refrigerating machine
    • 吸收式制冷机
    • US06192694B1
    • 2001-02-27
    • US09381909
    • 1999-09-27
    • Naoki HiroYasuharu KurogiTadato FujiharaYoshio OzawaToshihiro Yamada
    • Naoki HiroYasuharu KurogiTadato FujiharaYoshio OzawaToshihiro Yamada
    • F25B1500
    • F25B49/043F25B15/008F25B15/06F25B2315/001Y02A30/277Y02B30/62
    • In a double-effect absorption chiller wherein the vapor of a refrigerant produced by a high temperature generator is supplied to a low temperature generator 12 for condensation, and the refrigerant liquified by condensation is supplied to a condenser 11, a pipe 7 for supplying the refrigerant liquified in the low temperature generator 12 to the condenser 11 therethrough is provided with an orifice 71 and a control valve 81 as pressure adjusting means. A control circuit 9 is connected to the control valve 81 to hold the valve 81 fully open during the period form the start-up of the chiller until the load is stabilized and thereafter gradually decrease the opening degree of the valve 81. Alternatively, a control valve 118 is mounted on the pipe 7 for controlling the pressure of the refrigerant so that the concentration of the absorbent (intermediate solution) in the high temperature generator because equal to the average of the concentration of the absorbent (strong solution) in the low temperature generator 12 and the concentration of the absorbent (weak solution) in an absorber.
    • 在将由高温发生器制造的制冷剂的蒸气供给到低温发生器12进行冷凝的双效吸收式制冷机中,通过冷凝液液化的制冷剂供给到冷凝器11,供给制冷剂的配管7 在低温发生器12中液化到通过其的冷凝器11设置有作为压力调节装置的孔口71和控制阀81。 控制电路9连接到控制阀81,以在冷却器启动期间直到负载稳定之前将阀81完全打开,然后逐渐降低阀81的开度。或者,控制 阀118安装在管道7上,用于控制制冷剂的压力,使得高温发生器中的吸收剂(中间溶液)的浓度等于低温吸收剂(强溶液)的浓度平均值 发生器12和吸收剂中的吸收剂(弱溶液)的浓度。