Separator Spares & Equipment Component
GEA Westfalia SeaWater Distiller (SWD)
GEA Westfalia SeaWater Distiller: vacuum fresh water generator using main engine waste heat, with titanium plates, salinity monitoring (2-10 ppm set point) and capacities of 10 to 30 t/d.
Description
The GEA Westfalia SeaWater Distiller (SWD) is a shipboard fresh water generator working on the vacuum distillation principle, using main engine waste heat as the heating medium. It suits newbuilds and retrofits, including replacement of older fresh water generators.
Operation
- Sea water evaporates in the lower evaporator plate bundle under high vacuum
- Vapour passes a wire mesh demister and condenses in the sea-water-cooled upper condenser bundle
- A combined air/brine ejector removes surplus brine and non-condensable gases to maintain vacuum
- Distillate salinity is monitored; above the set point (2-10 ppm) distillate is returned to the evaporator via a solenoid valve
Scope of supply
- Built-in control panel (left or right side) and chemical dosing tank
- Distillate pump, feed water valve, solenoid valve, water meter
- Salinity measuring cell and indicator, thermometers and pressure gauges, non-return flaps
- Titanium heat exchanger plates, sea-water-resistant materials, hinged hood
Options
- Anti-scale dosing, chlorination, UV and silver-ion sterilizers, hydrophore, rehardening filter, salinometer, sea water pumps, heating water unit
Technical data
- SWD 10: 10 t/d
- SWD 15: 15 t/d
- SWD 20: 20 t/d
- SWD 25: 25 t/d
- SWD 30: 30 t/d
Specifications
| Model Number | Capacity |
|---|---|
| GEA Westfalia SWD 10 | 10 t/d |
| GEA Westfalia SWD 15 | 15 t/d |
| GEA Westfalia SWD 20 | 20 t/d |
| GEA Westfalia SWD 25 | 25 t/d |
| GEA Westfalia SWD 30 | 30 t/d |
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