Energy-saving evaporative crystallization equipment for sodium chloride solution and control method thereof

A sodium chloride solution, evaporative crystallization technology, applied in solution crystallization, evaporative separation crystallization, crystallization adjustment/control and other directions, can solve the problems of environmental pollution, inconsistent with the development trend of clean energy and green life, heavy burden of energy consumption cost, etc. To achieve the effect of reducing costs and working efficiently

Inactive Publication Date: 2017-01-18
深圳市捷晶科技股份有限公司
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  • Application Information

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Problems solved by technology

However, due to the rapid rise in the price of steam in recent years, the cost of energy consumption in the traditional form of evaporation has become a heavy burden for the majority of enterprises
Furthermore, boilers

Method used

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  • Energy-saving evaporative crystallization equipment for sodium chloride solution and control method thereof
  • Energy-saving evaporative crystallization equipment for sodium chloride solution and control method thereof

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] refer to figure 1 , figure 2 Shown, a kind of energy-saving evaporation crystallization equipment of sodium chloride solution, described preheating device comprises material buffer tank 1, preheater 3, and material buffer tank 1 is connected with preheater 3 through a section of feeding pipe, and described feeding A feed pump 2 is installed on the feed pipe; the evaporator includes a main heat exchanger 4, an OSLO separator 5, a steam compressor 6 and...

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Abstract

The invention discloses energy-saving evaporative crystallization equipment for a sodium chloride solution. The energy-saving evaporative crystallization equipment for the sodium chloride solution comprises a preheating device, an evaporating device, a crystal separating device and a control device. After adoption of the energy-saving evaporative crystallization equipment for the sodium chloride solution, the conventional steam-heating evaporative crystallization way is replaced, a compressor is used for compressing secondary steam separated by an OSLO separator, the compressed secondary steam is used as heating steam, and the own cycle of the equipment is achieved by setting a circuit, so that steam is not generated for heating, condensing equipment is not needed, and a good evaporative crystallization effect can be achieved only by using a small amount of electric energy. Therefore, the energy-saving evaporative crystallization equipment for the sodium chloride solution opens up a new way for reducing the cost, saving the energy and protecting the environment during treatment of the sodium chloride solution, and has the advantages of cleanness, energy conservation, intelligence, automatism, high working efficiency and the like.

Description

technical field [0001] The invention relates to the technical field of concentrated crystallization of solutions, in particular to an energy-saving evaporation crystallization device for sodium chloride solution and a control method thereof. Background technique [0002] Sodium chloride is an industrial and living resource widely used in human life. The industrial production of high-purity sodium chloride is usually realized through evaporation and concentration processes, but the traditional steaming process uses steam energy to achieve evaporation and concentration. Among them, multi-effect Evaporation is the most common form of evaporator. However, due to the rapid rise in the price of steam in recent years, the cost of energy consumption in the traditional form of evaporation has become a heavy burden for the majority of enterprises. Furthermore, boilers with steam sources mostly use non-renewable fossil energy (such as coal, oil, etc.), which also leads to serious envi...

Claims

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Application Information

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IPC IPC(8): B01D9/02C01D1/44C01D1/30
CPCB01D9/0031B01D9/0063C01D1/30C01D1/44Y02P20/10Y02P20/50
Inventor 代超张登庆张鹤龙叶翔李嘉豪孙学影
Owner 深圳市捷晶科技股份有限公司
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