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公开(公告)号：US5366514A
公开(公告)日：1994-11-22
申请号：US998927
申请日：1992-12-30
CPC分类号： B01D1/26 , B01D1/2803 , B01D1/285 , B01D1/2893 , C01D3/06 , C01D3/08 , Y02P20/129 , Y02P20/13
摘要： This invention relates to an evaporative salt plant installation including methods of operation and apparatus which produce high purity salt economically and in high yield comprising the combination of a gas turbine which drives a vapor compressor, whose exhaust gases are used to produce steam to drive a topping steam turbine generator, which in turn generates the electrical energy requirements of the plant, and wherein the discharge vapors from the steam turbine are combined with the discharge vapors from the vapor compressor, which is in turn in combination with a vapor compression evaporator and a purge evaporator, whereby both evaporators produce salt, and where the overhead vapors of the purge evaporator are used in a brine cooled condenser to preheat input cold brine, thereby producing water condensate which is recovered, along with evaporator steam chest condensate streams, and used in solution mining underground salt, thereby allowing for both the productive use and recovery of substantially all the raw material and energy inputs to the plant, and the friendly environmental operation of the plant.
摘要翻译： 本发明涉及一种蒸发盐植物装置，其包括操作方法和经济地和高收率地产生高纯度盐的装置，包括驱动蒸汽压缩机的燃气轮机的组合，其中废气用于产生蒸汽以驱动顶部 蒸汽涡轮发电机，其又产生设备的电能需求，并且其中来自蒸汽轮机的排出蒸汽与来自蒸汽压缩机的排放蒸汽组合，蒸汽压缩机又与蒸气压缩蒸发器和吹扫 蒸发器，由此两个蒸发器产生盐，并且其中清洗蒸发器的塔顶蒸气用于盐水冷却的冷凝器中以预热输入的冷盐水，从而产生回收的水冷凝物以及蒸发器蒸汽胸部冷凝物流，并用于溶液 挖掘地下盐，从而允许生产性利用和恢复 基本上所有的原材料和能源输入到工厂，以及工厂的友好环境运行。
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公开(公告)号：US5126019A
公开(公告)日：1992-06-30
申请号：US655847
申请日：1991-02-15
摘要： This invention relates to methods and systems for purifying brine for electrolysis in chlor-alkali cells, especially membrane cells by reducing the sulfate ion concentration, while at the same time minimizing the concentration of other undesireable ions such as calcium and chlorate. The methods and systems employed are unique combinations of refrigeration and crystalization, and brine recirculation techniques in the systems for electrolyzing brine.
摘要翻译： 本发明涉及通过降低硫酸根离子浓度来净化氯碱细胞，特别是膜细胞中的电解盐水的方法和系统，同时使其它不需要的离子如钙和氯酸盐的浓度最小化。 所采用的方法和系统是制冷和结晶的独特组合，以及用于电解盐水的系统中的盐水再循环技术。
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公开(公告)号：US4459188A
公开(公告)日：1984-07-10
申请号：US417396
申请日：1982-09-13
摘要： This invention relates to a new and novel brine system for use in electrolyzing salt to chlorine, caustic soda and hydrogen in chlor-alkali cells employing an ion exchange membrane and, more particularly, to the efficient use of brine as the raw material to be electrolyzed in chlor-alkali membrane cells. This invention also relates to a process for the conversion of a diaphragm cell and evaporator plant to one employing membrane type cells while still utilizing the existing brine treatment and caustic evaporation equipment and the resultant plant installations.
摘要翻译： 本发明涉及一种新型和新型的盐水系统，用于使用离子交换膜在氯碱池中电解氯，苛性钠和氢气中的盐，特别是有效利用盐水作为电解原料 在氯碱膜细胞中。 本发明还涉及一种将隔膜电池和蒸发器设备转换为采用膜式电池的方法，同时仍利用现有的盐水处理和苛性蒸发设备以及所得的设备安装。
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