The ultra-pure water machine refers to the water treatment equipment for the ultra-pure water required by various industries. The water treatment pretreatment, reverse osmosis technology, EDI technology, ultra-purification treatment and post-treatment are the core technologies. Generally used in solar photovoltaic, electronic semiconductors, circuit board circuit boards, high-tech fine products and other industries. Its water quality has the following requirements: the electrolyte is almost completely removed (resistivity >15MΩNaN), the colloidal substances, gases and organic matter that are not dissociated in water are removed to a very low level, and the ultrapure water quality is divided into five industry standards. , respectively, 18MΩNaN, 15MΩNaN, 10MΩNaN, 2MΩNaN, 0.5MΩNaN to distinguish different water quality.
The process flow of ultrapure water treatment equipment is roughly divided into the following types:
1. The traditional water treatment method for preparing ultrapure water by ion exchange resin, the basic process flow is: raw water → quartz sand filter → activated carbon filter → precision filter → sun bed → Yin bed → mixed bed (bed bed) → Pure water tank → pure water pump → post-precision filter → water point.
2. The combination of reverse osmosis water treatment equipment and ion exchange equipment, the basic process flow is: raw water → quartz sand filter → activated carbon filter → precision filter → reverse osmosis equipment → pure water tank → mixed bed Bed)→Ultra-pure water tank→Ultra-pure water pump→post-precision filter→water point.
3. The method of using reverse osmosis water treatment equipment and electric deionization (EDI) equipment, which is a new process for preparing ultrapure water, and is also an environmentally friendly, economical, and highly developed ultrapure water preparation. Process, the basic process is: raw water → quartz sand filter → activated carbon filter → precision filter → reverse osmosis equipment → pure water tank → electric deionization (EDI) → ultrapure water tank → ultrapure water pump → post precision Filter → water point.
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