250LPH Ro System Water Purifier Machine Filtration Equipment
Product Introduction of RO Water Treatment System
There are many pores on the reverse osmosis semi-permeable membrane, and the size of these pores is equivalent to the size of water molecules. Since bacteria, viruses, most organic pollutants and hydrated ions are much larger than water molecules, they cannot pass through the reverse osmosis semi-permeable membrane. The membrane is separated from the water phase passing through the reverse osmosis membrane. Among the many impurities in water, soluble salts are the most difficult to remove. Therefore, the water purification effect of reverse osmosis is often determined according to the desalination rate. The desalination rate of reverse osmosis is mainly determined by the reverse osmosis semi-permeable membrane selectivity. The salt removal rate of the reverse osmosis membrane element with higher selectivity can be as high as 99.7%.
The Basic Working Principle of RO Water Treatment System
1:Pre-treatment system
It mainly includes: raw water pump, quartz sand filter, dosing device, security filter, precision filter. Its main function is to reduce the pollution index of raw water and other impurities such as residual chlorine, so as to meet the water inlet requirements of reverse osmosis. The equipment configuration of the pretreatment system should be determined according to the specific conditions of the raw water.
2:Reverse Osmosis system
It mainly includes multi-stage high-pressure pumps, reverse osmosis membrane elements, membrane casings (pressure vessels), pressure instruments, flow meters, brackets, etc. Its main function is to remove impurities in the water and make the effluent meet the requirements of use. According to water requirements, a single-stage reverse osmosis device or a double-stage reverse osmosis device can be used.
RO membrane group
Advantages of RO water treatment system:
Reverse osmosis (RO) technology is a highly efficient and energy-saving technology. It relies on pressure to separate water and ions, so as to achieve the purpose of purification and concentration. The process has no phase change, generally does not require heating, low energy consumption, low operating cost, no pollution, convenient and reliable operation, high water quality and many other advantages. It has become an energy-saving technology for seawater and brackish water desalination. Has been widely used in medicine, electronics, chemical industry, food, seawater desalination and many other industries. Reverse osmosis technology has become a water treatment technology in modern industry. Reverse osmosis (RO) technology has become an important part of membrane separation technology.
(1) Fresh water can be extracted from seawater or brackish water;
(2) It is easy to remove organic matter, bacteria, colloids and other impurities dissolved in water to obtain high-purity water;
(3) Since the reverse osmosis process is a physical process without phase transition, it saves energy;
(4) Simple operation, easy automation and labor saving;
(5) Compact structure and small footprint, thereby reducing costs;
(6) As a concentration method, it can recover valuable components dissolved in the solution.
Process flow of RO Water Treatment System
Raw water → Raw water tank → Raw water pump → Multi-media filter (quartz sand filter) → Activated carbon filter → Soft water processor → Precision filter → High pressure pump → Primary reverse osmosis (RO) device → Purified water tank → High pressure pump → Two Stage reverse osmosis → ultraviolet sterilization device → water point.
Photos of Reverse Osmosis Water Treatment System
FAQ:
1. What is the design water yield of ro membrane element? (except anti-pollution membrane and seawater desalination membrane)
Model 4040 is designed by 0.25m3/h
Model 8040 is designed by 1-1.2m3/h
2. What is the material of mechanical filter?
Carbon steel, stainless steel, fiberglass
3.What are the multi-way control valves?
Manual control valve, automatic control valve
Multi - way control valve is divided into: filter valve and softening valve
Automatic control valve is divided into: time type and flow type.
Multi-way control valve brands are: FLECK, AUTOTROL, Runxin, clean source, etc.
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