Customization: | Available |
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Certification: | ISO9001, CE |
Salt Rejection Rate: | 98.0% |
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Composition of Water Treatment System:
1.Pre-treatment System.
Pre-treatment system is composed of mechanical filter, active carbon filter, Ion Exchanger and precision filter. The water temperature requires 25±30C.
Flocculator is used for destroying electro-neutral of colloid in water, which ensures raw water can reach to the requirement ofSilt Density Index (SDI) ≤ 4. Mechanical filter can remove most of suspension, colloid and grain impurity, which can ensure initial purification of water.
If some of raw water comes from tap water, chlorine content maybe is higher. Low-pressure compound RO membrane has strict limitation to chlorine and organism, which must be ≤0.1mg/1.
Because calcium and magnesium content in raw water is very high, and RO salt-removing rate is about 97%, which may cause deposit of calcium carbonate, magnesium carbonate, bitter salt, etc. on concentrated water side. Deposit adhered on RO membrane surface and may block passage of components and causes pressure difference increase, water output decrease and salt-removing rate decrease, which influence normal running and usage span of RO. So before precision filter, Ion Exchanger is equipped to protect and avoids impurity on RO concentrated water side.
2.RO System
RO system is composed of high-pressure pump, RO system and chemical cleaning device.
During running, RO membrane may form some deposit and chemical cleaning device is equipped for periodical cleaning to ensure stable running of RO system. This system configures with membrane compounds and high-pressure pump.
High-pressure pump is the power source of RO system. To RO system on sound running condition, high-pressure pump equips inlet/outlet pressure switch. When inlet pressure is less than set value (water lack P≤0.05Mpa) or outlet pressure is higher than set value, pressure switch send signal to PLC programming system and high-pressure pump and RO system will stop in avoidance of destroying to RO membrane because of water pressure.
RO system pressure control and automatic cleaning are controlled by PLC. RO system can wash surface of RO membrane by low-pressure timely and periodically.
Flow Chart of Working Procedure:
Raw Water |
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Raw Water Tank |
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Raw Water Pump |
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Mechanical Filter |
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Active Carbon Filter |
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Ion Exchanger |
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Precision Filter |
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High-pressure Pump |
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1-stage RO System |
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Pure Water Tank |
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Pure Water Pump |
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Final Filter |
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distilled water equipment |
Main Equipments Description:
Raw Water Pump 1 set Model: 4-50 Brand: Nanfang Pump |
Quartz sand filter 1 set Material: SUS304 Overall dimensions: D450×H2000 (mm) |
Active carbon filter 1 set Material: SUS304 Overall dimensions: D450×H2000 (mm) |
Sodium ion exchanger 1 set Material: SUS304 Overall dimensions: D450×H2000 (mm) |
Precision filter 1 set The filter medium of the precise filter is made of micro-hole film, it is the modern advanced equipment for the filter and widely used in medicine, electrical, food industries. Working pressure: ≤0.3Mpa Production capacity: 4T/h Overall dimensions: D400×H1000 (mm) Material: SUS304 |
Reverse osmosis 1 set Capacity: 2T/H, 8 sets 4040 (Hydranautics) One stage reverse osmosis Pump: CDLF4-16 (Nanfang) |
Ultraviolet radiation sterilizer 1 set Working pressure≤0.2 Mpa Treatment Capacity 2T/H Overall dimensions: 116×75×65mm |
Ozone generator 1 set Capacity: 7g Overall dimensions: 400×320×600mm Material: Carbon Steel |
Gas-liquid mixing pump 1 set Model: 25QY-2 Brand: Nanfang Pump |
Pure water tank Raw Water Tank Material: SUS304 Volume: 2m3 |
NO. | Machine name | Capacity | Quantity | Remark |
1 | Raw Water Pump | 8-40 | 1set | NANFANG |
2 | Quartz sand filter | 6T | 1set | SUS304 |
3 | Active carbon filter | 6T | 1set | SUS304 |
4 | Sodium ion exchange | 6T | 1set | SUS304 |
5 | Precision filter | 6T | 1set | SUS304 |
6 | Ultrafilter | 3T | 1set | Macromolecule |
7 | Ozone generator | 12g | 1set | Carbon Steel |
8 | Ozone mixer | 3T | 1set | SUS304 |
9 | Pure water pump | 4-40 | 1set | NANFANG |
10 | Pure water tank | 3T | 1set | SUS304 |
11 | Piping and valves | 1set | SUS304 |