Common water purification equipment not only includes household water purifiers, but in areas with poor water quality, difficulty in drinking water, and high population density, when daily water use (washing vegetables, boiling water, cooking, bathing) is affected, it is difficult to solve the problem with a single household water purifier. Large scale water purification equipment can be put into use at this time. From a functional perspective, large water purifiers mainly compensate for the limited water supply capacity of small water purifiers, and can meet the water use difficulties of different levels of large populations.

Reverse osmosis is a new type of water purification technology that uses pressure difference and the reverse osmosis effect of water to reverse flow solutes, ions, and organic matter from the raw water membrane, achieving the goal of water purification. It can effectively remove solutes, ions, organic matter, particles, pesticides, heavy metals, etc. in water, thereby achieving good water purification. It is currently one of the economical, practical, and safe water purification technologies.

Purification water treatment equipment has been widely used in large industrial areas, oil fields, coal mines, mines, seawater, pharmaceutical industry water, chemical industry process water, traditional Chinese medicine extraction water, electronic industry water and other fields. However, due to the different hardness of the raw water (groundwater, tap water) used in different places, water pretreatment will be carried out according to the quality of the raw water.

Purified water treatment equipment is mainly used in the industrial production water industry, and the water quality and quantity of the equipment's effluent are based on the actual situation of the customer,

The water purification equipment and water production process include:

1: Tap water raw water pump sand filter carbon filter cation anion pure water (about 10us/cm).

2: Tap water raw water pump sand filter carbon filter RO reverse osmosis system pure water.

3: Tap water raw water pump sand filter carbon filter water softener precision filter RO reverse osmosis pure water.

4: Tap water raw water pump sand filter carbon filter ultrafiltration precision filter RO reverse osmosis pure water.

5: Raw water pump for tap water, quartz sand filter, activated carbon filter, two-stage reverse osmosis system, ultra pure water tank=electric rate of 5us/cm.

6: Raw water pump for tap water, quartz sand filter, activated carbon filter softening system, single stage reverse osmosis system, edi system, ultra pure water tank=resistivity 5 Ω· m.

7: Raw water pump for tap water, quartz sand filter, activated carbon filter, two-stage reverse osmosis system, edi system, ultra pure water tank=resistivity 10 Ω· m

8: Raw water pump for tap water, quartz sand filter, activated carbon filter, two-stage reverse osmosis system, edi system, polishing mixed bed, ultra pure=water and electricity resistance rate 18.2 Ω· m.

The role of reverse osmosis membrane system and EDI system

RO reverse osmosis system:

By applying a pressure greater than osmotic pressure to the raw water through a high-pressure pump and utilizing the separation technology of RO membrane, almost all harmful substances including particles, colloids, organic impurities, microorganisms, and 99% dissolved salts exceeding 200 in the raw water are effectively separated, achieving the purpose of desalination and purification, with a pure water conductivity of 10us (raw water conductivity of 300us).

Compared with traditional ion exchange and distillation technologies, reverse osmosis technology has advantages such as small equipment volume, low energy consumption, strong adaptability, no need for acid and alkali regenerators, advanced technology, easy automation, excellent water quality, stable water quality, no microorganisms, no heavy metal ions, and no organic compounds. The discharged concentrated water is harmless to the environment and is a membrane separation technology that meets environmental requirements.

EDI system:

EDI (Electrodeionization), also known as continuous electro desalination technology, integrates electrodialysis technology and ion exchange technology. Through the selective permeation of cation and anion membranes and the exchange of ions by ion exchange resins in water, the directed migration of ions in water is achieved under the action of an electric field. This achieves deep purification and desalination of water, and the hydrogen ions and hydroxide ions generated by water electrolysis continuously regenerate the filling resin. Compared with traditional ion exchange, EDI can continuously produce high-quality ultrapure water without the need for acid or alkali chemical regeneration in the water production process. It has the advantages of advanced technology, stable effluent quality, compact structure, and simple operation.

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