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    Reverse osmosis series equipment

    Reverse osmosis (RO) is a high - tech membrane separation technology developed in recent years. Its aperture is small, is the ion - level separation equipment. Now it is widely used in water desalination, desalination, making pure drinking water and high purity water. The separation objects are organic compounds with small ion range and molecular weight in solution. It is a popular advanced equipment for medicine, electronics, beverages, biology, medical engineering, environmental protection, etc.

    The main body of the reverse osmosis unit produced by our factory is imported from the United States with the most advanced membrane module, imported high-pressure stainless-steel pump, imported control instrument, high- and low-pressure pipeline valve. It is also equipped with imported metering pump dosing and automatic cleaning equipment. Product specifications are divided by production, from 300 kg to hundreds of tons per hour. Reverse osmosis requires high water quality, so the pretreatment equipment must be perfected. See the instructions for use.

    1.Principle:

    RO reverse osmosis technology is a high-tech water treatment technology. It relies on the ability of reverse osmosis membrane to separate solvent and solute in solution under pressure. Penetration is a physical phenomenon. Reverse osmosis is the application of a greater pressure than natural osmosis in water containing salt and various fine impurities (raw water) to reverse osmosis from the one with higher concentration to the one with lower concentration. Most of the fine impurities, organics, heavy metals, bacteria, viruses and other harmful substances in raw water are discharged through the sewage outlet.

    2. Description of main process flow of reverse osmosis pure water equipment

    Raw water pump: Constant system water supply pressure, stable water supply.

    Multi-media filter: the filter with multiple filtration layers is mainly used to remove sediment, rust, colloidal substances, suspended substances and other substances with particles above 20um contained in raw water. Manual valve control or automatic controller can be used for backwashing, flushing and a series of operations to ensure the water quality of the equipment and extend the service life of the equipment.

    Activated carbon filter: the system adopts fruit-shell activated carbon filter, which can not only adsorb electrolyte ions, but also conduct ion exchange adsorption. Potassium permanganate oxygen consumption (COD) can be reduced from 15mg/L(O2) to 2 ~ 7mg/L(O2) after adsorption by activated carbon. In addition, the adsorption can increase the concentration of surface adsorption and replication, and play a catalytic role in removing pigments, odors, a large number of biochemical organic compounds in the water, reducing the residual chlorine value of the water and pesticide pollutants, and removing trihalides (THM) and other pollutants in the water. Manual valve control or automatic controller can be used for backwashing, flushing and a series of operations. In this way, the water quality of the equipment can be guaranteed and the service life of the equipment can be extended. At the same time, the equipment has a self-maintenance system, running costs are very low.

    Ion softening system/dosing system: R/O devices are designed to dissolve solids for concentrated discharge and desalinate water quality. To prevent CaCO3 and MgCO3, MgSO4, CaSO4, BaSO4, SrSO4, SiSO4 concentration is greater than the equilibrium solubility constant deposition and crystallization precipitation in the thick water side especially RO device last membrane module thick water side, and damage the membrane of the original features, Before entering the reverse osmosis membrane assembly, the crystal precipitation of carbonate, SiO2 and sulfate should be prevented by ion softening device or appropriate scale inhibitor.

    Precision filter: Precise filter is adopted to remove suspended substance, non-curved particle and colloid and other substances in the water, so that RO system and other subsequent equipment can operate more safely and reliably. The filter element is a 5um melting and spraying filter element, which aims to prevent the removal of impurities larger than 5um missed by the superior filtering unit to prevent impurities from entering the reverse osmosis device to damage the membrane surface, thereby damaging the desalination performance of the membrane.

    Reverse osmosis system: A reverse osmosis device is a device that separates a solvent (generally water) in a solution through a reverse osmosis membrane (or semipermeable membrane) with sufficient pressure. Because this process is opposite to the direction of natural infiltration, it is called reverse osmosis. The reverse osmosis method can adapt to all kinds of raw water with salt content, especially in the high-salt water treatment project, it can obtain good technical and economic benefits. Reverse osmosis has the advantages of high desalination rate, high recovery rate, stable operation, small occupation area and simple operation. In addition to salt removal, reverse osmosis equipment also removes most bacteria, colloids and large molecular weight organic compounds.

    Ozone sterilizer: Kill the bacteria caused by secondary contamination to ensure the sanitary standard of finished water.




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