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Fresh Water Generator System for Seawater

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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