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    • 7. 发明授权
    • Multi-stage flash distillation plant
    • 多级闪蒸厂
    • US3966562A
    • 1976-06-29
    • US493480
    • 1974-07-31
    • Toshimi MukushiKenkichi IzumiSankichi TakahashiYoshiaki OkazimaToshio SawaMithumasa Komai
    • Toshimi MukushiKenkichi IzumiSankichi TakahashiYoshiaki OkazimaToshio SawaMithumasa Komai
    • B01D3/06C02F1/04C02F1/06B01D3/00
    • C02F1/06B01D3/065C02F1/042Y02P70/34Y10S159/38
    • A multi-stage distillation plant consisting essentially of a multi-flash evaporator provided with a multi-flash chamber which is divided into a heat recovery section and a heat rejection section. In this multi-stage flash distillation plant, the aforesaid flash evaporator is provided with a deaerator for deaerating cold sea water, a thickener for separating brine containing a relatively great amount of seeds, from concentrated brine which has been extracted from a front chamber of the final stage flash chamber, and a seed mixing tank for obtaining a seed-mixed brine, whereby part of the sea water which has passed through the deaerator is supplied as a feed sea water to the rear chamber of the final stage flash chamber, while the brine containing a relatively great amount of seed and extracted from the thickener is joined to the seed-mixed brine fed from the seed mixing tank. Thus, the confluent brine thus joined together is discharged for deaeration into the final stage flash chamber from a distributor provided in the rear chamber thereof. According to another aspect of the invention, the aforesaid deaerator is omitted and the feed sea water which has not been subjected to deaeration is joined to the aforesaid confluent brine and is discharged for deaeration from the distributor.
    • 一种多级蒸馏设备,主要由多闪蒸发器组成,多蒸发蒸发器设置有多闪蒸室,其分为热回收段和排热段。 在这种多级闪蒸装置中,上述闪蒸器具有用于对冷海水进行脱气的除气器,用于从含有相对大量种子的盐水中分离的浓缩物,该浓缩盐水从已从 最后阶段闪蒸室和用于获得种子混合盐水的种子混合罐,由此将通过除气器的一部分海水作为进料海水供应到最终级闪蒸室的后室,而 含有相对大量种子并从增稠剂中提取的盐水与从种子混合罐供给的种子混合盐水相连。 因此,这样连接在一起的汇合盐水从设置在其后室中的分配器排出进入最后阶段闪蒸室。 根据本发明的另一方面,省略了上述脱气器,并且没有进行脱气的进料海水与上述汇合盐水接合,并从分配器排出以脱气。
    • 9. 发明授权
    • Process for electro-dialysis
    • 电透析方法
    • US4160713A
    • 1979-07-10
    • US873680
    • 1978-01-30
    • Harumi MatsuzakiSankichi TakahashiOsamu Kuroda
    • Harumi MatsuzakiSankichi TakahashiOsamu Kuroda
    • B01D65/06B01D13/02
    • B01D61/44B01D2311/165B01D2311/243B01D2311/2661
    • In a process for electro-dialysis which comprises passing an electrolyte through dilution chambers and concentration chambers formed between a large number of alternately counterposed anion exchange membranes and cation exchange membranes, and applying an electric potential to a pair of electrodes provided at both ends of a plurality of these chambers, thereby migrating ions in the electrolyte through the membranes and effecting dilution or concentration of the electrolyte, such a volumic rate of air bubbles is introduced to the lower parts of the dilution chambers as to make the thickness of a diffusion layer formed by concentration polarization near the ion exchange membranes in the dilution chambers smaller than when air bubbles are not introduced thereto, and make the resistance between the electrodes smaller than when the air bubbles are not introduced thereto. Superficial air velocity of air bubbles introduced into the dilution chambers is preferably 1-4 cm/sec.
    • 在电透析过程中,该方法包括使电解液通过稀释室和形成在大量交替对置的阴离子交换膜和阳离子交换膜之间的浓缩室,并将电位施加到设置在 多个这样的室,从而通过膜将电解质中的离子迁移并进行电解质的稀释或浓缩,将这样的体积的气泡引入稀释室的下部,以形成扩散层的厚度 通过在稀释室内的离子交换膜附近的浓度偏振小于不引入气泡时的离子交换膜的极化浓度,并且使得电极之间的电阻小于不引入气泡时的电阻。 引入稀释室的气泡的表观空气速度优选为1-4cm / sec。