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Fresh Water Generator System For Seawater

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Source and quality of raw water

water source : Middle East sea water

water quality : According to the related material understanding, we by an average of seawater contains a large number of colloidal material, salinity 36000ppm, for reference in design for data.

Temperature :15-25 ℃ ℃

1.1 Water supply system:water supply rate:200m3/h;temperature:15-25℃;


1.2 Air supply system :clean,dry and oil-free compressed air;pressure:0.7 Mpa

1.3Power supply system:500KW,380V/50Hz/5Ф;220v/50Hz/1Ф

1.4 main technical parameters

1.4.1 ultrafiltration device feed water quality requirements:

Temperature: 5-40 ℃

PH: 3-11

Filtration system pressure:0.1-0.3 MPa

System design:Ultrafiltration system by ultrafiltration pump, ultrafiltration membrane module, measurement instrument, cleaning device, dosing device etc.

Effluent is:Suspended solids removal rate: 99 percent after purification suspended 1mg/L acuities.Turbidity: more than 0.2 NTU pollution index SDI < 3

Water production rate > 90%

1.4.2 seawater reverse osmosis

ingoing water quality requirements:Inlet water temperature shoulds not be too low, such as < 10 ℃, feed need to add heating Settings.

The highest design inlet water temperature is unfavorable exceed 40 ℃

System design:

The reverse osmosis device by the security filter, high-pressure pump, reverse osmosis membrane

module, flushing system, chemical cleaning system, dosing system, measurement instrument and

electrical control system etc.

Effluent is:Of drinking water quality recovery: 40 percent

1.4.3 electrical equipments

Control cabinet: it contains PLC, rack accessories, with current, voltage display, take leakage,lack of such protection device

Components: Siemens company or the same brand

Protective level: IP54

Material: carbon steel pensu

1.4.4automatic control system

Ultrafiltration system adopts PLC + industrial computer automatic control method, realize full-automatic operation, automatic reverse-wash process and to realize constantly monitor filtering equipment, always detection function, including circular trough level detection, clear liquid tank level detection, rinse box level detection, cleaning box level detection, ultrafiltration membrane equipment components import and export pressure detecting, ultrafiltration membrane flux testing equipment. Realize full-automatic integration, manual substation, convenient operation.

System flow


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