The reverse osmosis purified water treatment system uses a reverse osmosis system and ultraviolet sterilizer to purify and disinfect tap water, achieving direct drinking water. The reverse osmosis purified water equipment has been used in public places such as office buildings, office buildings, hotels, hotels, apartments, villas, schools, hospitals, and factories.

The reverse osmosis purified water treatment system consists of a sand filtration system, a carbon filtration system, an RO host system, and a UV sterilizer. The main method is to use reverse osmosis membrane technology to separate the permeated pure water and concentrated water. It is a high-tech membrane separation technology driven by pressure difference, which separates water molecules through RO reverse osmosis membrane to produce pure water. A large amount of inorganic ions, organic matter, colloids, microorganisms, and pyrogens in the raw water are separated and filtered by RO membranes to achieve efficient desalination, with a desalination rate of over 98%.

UV sterilization plays an extremely important role in purified water equipment, as it can quickly and effectively kill various bacteria, viruses, and other microorganisms. The sterilization rate of bacteria and viruses can generally reach 99% -99.9% within 1 to 2 seconds. Through photolysis, it can effectively degrade chlorides in water and kill all microorganisms, including bacteria, tuberculosis, viruses, spores and fungi, parasites, algae, and other pathogens.

Water production process of reverse osmosis purified water treatment system:

Raw water tank, raw water pump, quartz sand filter, activated carbon filter, precision filter, high-pressure pump, RO reverse osmosis system, ultraviolet sterilization, purified water tank water consumption point.

The functions of various components in the reverse osmosis purified water treatment system

Raw water tank:

1: Relieve the unstable water pressure in the tap water pipeline network, prevent the inlet flow rate from being less than the input of the raw water pump, and affect the normal operation of the equipment.

2: Internally set high and low float level switches

High liquid level: When the inflow of raw water exceeds the input of the raw water pump, the float rises to the set high liquid level of the water tank, and the raw water supply stops.

Low liquid level: When the inflow of raw water is less than the input of the raw water pump, the float ball drops to the low liquid level. At this time, the raw water tank is short of water, and the raw water pump stops running to prevent dry burning of the raw water pump due to water shortage.

Raw water pump:

Solve the instability of raw water pressure to ensure a constant inlet pressure and sufficient flow rate for pre-treatment, and ensure the normal operation of pre-treatment and RO systems.

Quartz sand filter:

Quartz sand filter is a pressure filtration container made of fiberglass material, with a pressure resistance of 6kg/cm2. It is an advanced micro flocculation filtration method. The tank is filled with high wear-resistant and refined quartz sand, which can intercept small amounts of small sediment, impurities, colloidal objects, suspended solids and other visible algae in the raw water. It plays a role in reducing the turbidity and chromaticity of the raw water, filtering out insoluble impurities (such as oxides, turbidity, particles, etc.), especially in reducing the turbidity and pollution index of the raw water, and has a good filtering effect.

Activated carbon filter:

Activated carbon filter is a pressure filtration container made of fiberglass material, with a pressure resistance of 6kg/cm2. It is filled with special particle carbon for water purification, used to adsorb pigments, organic matter, residual chlorine, odors, and heavy metal ions deposited in water, remove iron, dechlorine, and increase the residual chlorine content to 1PPM. It is an indispensable material in deep water treatment and purification.

Color removal: It can remove the chromaticity formed by organic pollutants such as iron, manganese, and plant decomposition in the raw water.

Removing organic matter: can remove trace pollutants in raw water, such as pesticides, insecticides, chlorinated hydrocarbons, aromatic compounds, as well as BOD and COD.

Removal of organic chlorine: It can remove the odor caused by THMS and other "three pathogenic" substances and residual chlorine produced by adding pre oxidants and disinfectants (such as chlorine gas) to the raw water before leaving the factory.

Removing ammonia nitrogen and nitrite: Activated carbon can effectively remove ammonia nitrogen, nitrite, residual chlorine or oxidants: protecting the reverse osmosis membrane.

Deodorization: removing trace heavy metal ions (such as mercury and chromium ions) from water, synthesizing detergents and radioactive substances, etc.

Softening filter:

The softening filter is a pressure filter container made of fiberglass material, with a pressure resistance of 6kg/cm2. It is filled with a special resin for softening hard water. When the raw water [contains calcium (Ca2+) and magnesium (Mg2+) ions containing hardness components] under the pressure of the booster pump, the softening resin in the tank adsorbs calcium and magnesium ions in the water, reducing the hardness of the raw water (preventing pipeline scaling) and turning hard water into soft water, thereby achieving the goal of removing scale.

When the softening resin adsorbs calcium and magnesium ions in the raw water and reaches saturation, it can no longer continue to adsorb. At this time, industrial salt needs to be used to regenerate the softening resin, replacing the adsorbed calcium and magnesium ions in order to restore its adsorption capacity. Softening resin mainly adsorbs the content of calcium and magnesium ions in the raw water, but cannot reduce the total salt content in the water.

Precision filter:

The shell of the precision filter is made of stainless steel material, equipped with a solution sprayed PP cotton with a filtration accuracy of 5us, which can intercept impurities entering the pre-treatment process, prevent particles in the raw water from puncturing or scratching the desalination layer on the surface of the RO reverse osmosis membrane at high flow rates, and prevent premature blockage, ensuring that the water entering the RO membrane is dry and clear, and extending the service life of the RO membrane.

The function of high-pressure pump:

The high-pressure pump adopts a vertical multi-stage special centrifugal pump to provide constant power for the reverse osmosis system, ensuring stable pressure and sufficient flow, and ensuring the normal operation of the reverse osmosis system. A water level and pressure protection device is installed in front of the inlet of the high-pressure pump. When the inlet pressure is abnormal, the high-pressure pump stops running to avoid dry running and burning the high-pressure pump.

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.

The function of ultraviolet sterilizer:

Fully utilize the energy of ultraviolet photons to destroy various viruses and bacteria in water, thereby losing their ability to replicate and reproduce, achieving sterilization, reducing the total microbial content in water quality, and preventing secondary pollution.

The hardware of the reverse osmosis purified water equipment (quartz sand filter, activated carbon filter) is made of food grade 304 stainless steel material, including connecting pipes, and the water quality can achieve direct drinking effect. The purified water production equipment refers to the thorough removal of pollutants and improvement of taste after deep treatment of tap water.

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