双级反渗透水处理设备电气控制系统设计
Abstract
Nowadays people's living standards has gradually improved the quality of water is bound to
put forward higher requirements. Today, all fields are required high purity water. Such as
solid state electronic devices, thick film and thin film circuits, printed circuits, vacuum tubes
also have to use ultra-pure water production. With the development of PLC and the obvious
advantages of the process control in industrial production has been widely applied, PLC
control system with safe, reliable, functional, convenient, and accurate, which greatly
improved the water level of automation. This paper introduces the development of two
reverse osmosis water treatment system and its background, its automatic control system of
control, equipment selection are described. In this paper, two reverse osmosis water treatment
system, the main circuit diagram.
This device mainly consists of two parts .First, raw water pretreatment, municipal tap water
into the original water tank, through the pretreatment system, the original water impurities has
effectively removed. Second, two reverse osmosis, two reverse osmosis is the process of
penetration phenomena in concentrated solution, Using pressure to remove impurities,
resulting in high purity water to meet the industry demand and other aspects of life.
Key Words:Reverse Osmosis;Automatic control;PLC
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