Yupu adheres to the development and design concept of “designing humanization and product standardizationâ€, and is committed to the establishment of laboratory pure water machine ultra-pure water machine industry norms and product standards. UPU recognizes that there are fundamental industry differences between laboratory water purifiers and household RO water purifiers. From the development and selection of pre-treatment filter cartridges to the custom selection of RO membranes to the development and selection of purification columns, it is obviously different from home-based Many low-priced brands in the industry on the RO machine material. Yupu understands the subtle needs of customers during use. All products use imported PE/PVDF quick-injection piping system to quickly connect pretreatment column/RO reverse osmosis column/UP ultra-purification column/UF ultrafiltration column and other purification filters. The modular, modular process makes the installation and maintenance of the laboratory pure water system more convenient.
Water quality pretreatment system
PL wire-wound filter: Polypropylene fiber winding core has a precision of up to 5um, which can effectively remove particulate impurities such as sediment, rust and algae in the source water.
ULU composite filter: built-in high-purity copper-zinc alloy filter material/activated carbon fiber ULU slow-release scale inhibition crystal, alloy filter material can continuously filter residual chlorine and iron-manganese heavy metal ions in source water, and also inhibit microorganisms such as bacteria Reproductive effect, activated carbon can efficiently adsorb most of the organic substances in the source water and the strong oxidizing substances such as residual chlorine in the tap water. Compared with the conventional three-channel filter element, the UPU composite filter element greatly improves the water treatment efficiency, and the replacement cycle can be extended to 6 months.
Remarks. In areas where high-hardness source water such as groundwater is used, a water softener should be selected.
In this field, UPU applies ZL protection such as "pretreatment device for ultrapure water production" and "composite package preprocessor for laboratory water purifier".
Reverse osmosis purification system
RO (REVERSE OSMOSIS) reverse osmosis technology is a membrane separation filtration technology that uses pressure difference as the power, which originated from the research of aerospace technology in the United States in the 1960s. The RO reverse osmosis membrane has a pore size as small as nanometer (1 nm = 10 -9 m). Under a certain pressure, H2O molecules can pass through the RO membrane, while impurities such as inorganic salt ions, organic matter, colloids, bacteria, and heat sources in the water cannot pass. The RO membrane is such that the permeable pure water and the impervious concentrated water are strictly separated.
The RO membrane has a removal rate of more than 99% for high-valent ions, colloids, bacteria and organic substances (including heat sources) with a molecular weight of more than 300 Dalton, and a removal rate of 90 to 95% for low-cost ions (Na + , K + ). Conductivity <250uScm, RO pure water conductivity is usually ≤ 5uS / cm, in line with the national laboratory three-level water standards. The reverse osmosis method is the most economical method to achieve 90 to 99% impurity removal rate, and is also a good pretreatment method for ultrapure water system.
In this field, Yupu applied for ZL protection such as “RO pure water exceeding standard discharge device for reverse osmosis pure water machineâ€.
Post-treatment ultra-purification system
Ion exchange purification column:
By cation ion-exchange resin was filtered off water and H + exchange, the use of OH - anions in the water was filtered off exchange resin in the H + and replacement of OH - after binding to generate H2O. Yupu integrated injection super-purification column is packed with Dow's DOM ultra-pure water special polishing resin, and its water production resistivity can reach 18.2MΩ. Cm.
In addition to the heat source ultrafiltration membrane:
The ultrafiltration membrane has a pore size between reverse osmosis and microfiltration (about 0.01-0.1 um), which can filter out the fine gelatinous substance, microorganisms, heat source and ultrafiltration membrane of the heat source. The cut-off requirement is at least 5000 Daltons (Dalton)
Dual wavelength UV digestion analyzer:
It can simultaneously produce ultraviolet light with wavelengths of 185 nm and 254 nm. The ultraviolet light of 254 nm can destroy bacterial cells and cause death. The ultraviolet light of 185 nm can generate hydroxyl groups in water to rapidly oxidize and decompose residual organic substances in water into CO2 and H2O.
Terminal microfilter:
A micropore filter with a pore size of 0.22 um is placed in the final effluent of the ultrapure water system to remove residual resin debris and microorganisms from the ultrapure water.
In this field, Yupu applied for ZL protection such as “new ultra-pure water machineâ€.
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