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Pure water knowledge

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Composition and application of pure water equipment

Release date: November 26, 2019 23:36:32

New reverse osmosis membrane elements are usually stored in sealed plastic bags after being soaked in 1% NaHSO3 and 18% glycerol aqueous solution. Under the condition that the plastic bag is not broken, the service life and performance will not be affected after one year storage. When the plastic bag is opened, it should be used as soon as possible to avoid adverse effects on the components due to NaHSO3 oxidation in the air. Therefore, the membrane should be opened before use. After the test run, we have used two methods to protect the film. 2% formaldehyde solution shall be used for maintenance after two days (15-24h) of trial operation of the equipment; or 1% NaHSO3 solution shall be used for maintenance after 2-6h operation (air in equipment pipeline shall be drained to ensure no leakage of equipment, and all inlet and outlet valves shall be closed). Satisfactory results can be obtained by both methods. The first method is more cost-effective, and it can be used when the idle time is long, and the second method is used when the idle time is short.
 
Pure water equipment In short, it is the equipment for producing pure water equipment. And pure water equipment is widely used in drinking, chemical, medical, breeding, planting, food, beverage and so on. The following is a brief introduction to the components of pure water equipment and the production process of pure water equipment.
Primary processing system
It is very important to rely on the production of pure water equipment. Therefore, in order to produce pure water equipment, we must choose the place where the raw water quality is better. Such as mountain spring, deep well, etc. A very important index involved here is "conductivity". Generally speaking, the lower the conductivity. The purer the water is. Now the water treatment process is the reverse osmosis system. The desalination rate of the treated water can reach 90% - 99%. Let me introduce the components of this system.
1. Raw water pump
Raw water pump is used to provide raw water pressure for raw water pretreatment system. If the raw water is under pressure, the equipment can not be used. Generally, the raw water pressure is greater than or equal to 0.3MPa
2. Raw water tank
The function of the raw water tank is simpler, and it is used to store raw water. This is for fear that if the raw water can not be supplied for a transfer (usually adding floating ball switch will make the whole system more automatic).
3. Quartz sand filter
Quartz sand filter material is used to remove large particles of suspended solids, sediment and impurities in raw water, so as to reduce the turbidity of water. In addition, the organic matter, bacteria and virus in the water can be largely removed with the decrease of turbidity, which creates a good condition for disinfection after filtration.
4. Activated carbon filter
The adsorption capacity of activated carbon can effectively adsorb organics, free residual chlorine, colloids, particles, microorganisms, some metal ions and decolorization in raw water.
5. Softening system (dosing system
By using the exchange performance of ion resin, calcium and magnesium ions in raw water can be removed to prevent the influence of scale formation on subsequent equipment. However, the operation is laborious and material-consuming. Now the dosing system is changed to add scale inhibitor directly into it.
counter-infiltration system
Reverse osmosis system is the core component of the whole pure water equipment system. Only through reverse osmosis can we reach the standard of pure water equipment. Reverse osmosis system mainly adopts reverse osmosis membrane filtration process. Water molecules can then pass through the reverse osmosis membrane. Some of the calcium and magnesium are discharged with the plasma. The components of the system are as follows:
1. Precision filter
The filter is mainly used to filter large particles in water.
Special high pressure pump
Generally, the high-pressure pump we use here is a special pump in the south. Provide strong power for reverse osmosis equipment.
3. Reverse osmosis membrane
Reverse osmosis membrane adopts membrane filtration technology. Let water molecules through some other ions can not achieve the purpose of water purification.
Auxiliary system
Other auxiliary systems, such as ozone sterilization system, lamp inspection, filling system. Also can use ultraviolet ray to sterilize, the ultraviolet ray will not have the residue, now many foreign countries like to use ultraviolet ray.
First of all, you can use several kinds of reverse osmosis filter, such as ceramic core, carbon fiber filter element, ceramic filter element, etc. to wash the ceramic core, carbon fiber filter element, ceramic filter element, etc., which can be used to wash the ceramic core, carbon fiber filter element and ceramic filter element.
The whole cleaning process of water purifier:
Other filter elements are basically disposable. The service life of ppcotton is 3 to 5 months, that of block carbon and activated carbon is about half a year, and RO reverse osmosis is about 2 years. The service life of the filter material of the central water purifier (used for the whole house water purification) is generally 5 to 15 years, because the general central water purifier has the function of backwashing, which can extend the life of the filter material. These are only the basic values. The specific service life depends on the water quality and water consumption of the home.
If the filter element is only replaced, it can not guarantee that the inner wall of the shell and the outlet pipe will not be polluted again. If the filter element is replaced three months, the cost of the product is not the same.
In addition to replacing the filter element, it is also necessary to clean and disinfect the water outlet pipeline on time, otherwise the pollution caused by the equipment is much greater than that of untreated water. Therefore, it is particularly important to purchase qualified water purifier products.
Cleaning water purifier: imported food acid
  
Pure water equipment Function:
1. Remove the algae on the inner wall of the water purifier;
2. Remove dirt and harmful bacteria attached to hydrophilic membrane.
Advantages: food grade raw materials, non-toxic, no harm to human body.