firstly, the electroplating wastewater treated by electroplating water recycling equipment can completely meet the recycling standard or discharge standard. Electroplating wastewater is mainly composed of pretreatment acid-base washing wastewater and electroplating process rinsing wastewater, in which the main pollutants of acid-base wastewater are washed oil, rust, acid and alkali. It can be discharged after simple physical and chemical treatment or can be reused after further deepening treatment. Because its water quality index is lower than the water quality standard of drinking water, but higher than the water quality standard of sewage allowed to be discharged, it is in between, so it is called "reclaimed water". Reclaimed water reuse equipment is a new type of water treatment equipment specially developed for the reuse of industrial sewage and domestic sewage. It consists of pretreatment, dosing system, ultrafiltration, reverse osmosis or nanofiltration. Domestic sewage/urban sewage/industrial wastewater is treated by advanced technology to remove toxic, harmful substances, heavy metal ions and other impurities from polluted water bodies, and then sterilized, reaching or exceeding the national standard for miscellaneous water (or relevant regulations), which is widely used in enterprise production or residents.

Second, the characteristics of electroplating water recycling equipment

1. Using special technology, the whole system has the characteristics of high efficiency, water saving, environmental protection and electricity saving.

2. The unique special membrane for reclaimed water reuse is suitable for all kinds of water quality and the system is more stable.

The system is equipped with a special membrane for reclaimed water reuse with wide flow channel and anti-pollution, which has the advantages of low pressure difference, easy cleaning, wide application range and long system operation cycle, and is equipped with an automatic circulating cleaning system to ensure the long-term stable operation of the equipment.

3. The recovery rate is as high as 91%~95%, and the discharge of concentrated water is less.

The self-developed industrial process technology and imported core components are adopted, and part of the reclaimed water flows back to the raw water inlet end through the module, so as to increase the raw water quantity. In addition, the membrane modules are cleverly arranged in multi-core and multi-section, so as to ensure the overall high recovery rate and not cause membrane scaling pollution.

4. Excellent performance

Omni-directional on-line and off-line monitoring systems are set between modules of the system, and multi-functional POD on-line detector is equipped to reflect the operation of the system at any time to ensure the effluent quality.

5. Efficient and fully automatic design, simple operation and reduced labor cost.

The system is fully automatic, and can be switched between manual and automatic. Each module runs independently and is controlled by linkage. The whole system can be fully automatic and unattended.

Other instructions on the equipment for recycling water in electroplating

15%-95% water is recycled in circuit boards and electroplating plants.

the water quality is stable at 111~1511us/cm.

it has good economic benefits, and the cost can be recovered within 1-3 years.

the reclaimed water can be supplied to the pure water system or directly reused in the production line.

fully automatic connection or suitable for reclaimed water recovery without liquid connection.

long service life and low maintenance cost.

III. Process flow of water reuse equipment in electroplating

Raw water → wastewater lift pump → wastewater pool → booster pump → flocculation dosing system → quartz sand filter → activated carbon filter → reductant dosing device → safety filter →UF ultrafiltration water treatment device → ultrafiltration water tank → scale inhibition dosing device → precision filter → high pressure pump → reverse osmosis system → water tank → water supply pump → water point

IV. Application field of reclaimed water reuse equipment

large-scale cooling circulating water bypass filtration system in power plants, chemical plants, etc.

Reuse treatment of produced wastewater from oil fields and gas fields

Reuse of regenerated wastewater from metal surface cleaning solution

Reuse treatment of wastewater from electronic manufacturing

Treatment of waste liquid from steel rolling emulsion

Treatment of high ammonia nitrogen wastewater from pharmaceutical industries.