Founded in 1995, China Dongda Power Industry Co., Ltd. is one of the few fresh water generator, water generator manufacturer and distributor in China that has patents on the generator, motor, power supply, engine, alternator, diesel and gearmotor design, supply and sale. Our custom fresh water generators, water generators has obtained the certifications of ISO9001-2000, GS/TUV, CE, VL, EPA, QHS, SON, CAP and SRS and we have won EPA 2005 Motor Year Certification. Our 30 QC staff carefully performs inspections at every stage of production, from the time we receive raw materials to packaging. Noise, power, and stability are tested to ensure that our engines can endure 580 hours of constant use. We also can design and deliver OEM/ODM samples in one month.

To achieve fresh water for drinking and washing, vacuum distillation system is nor-mally use in the isolated place such as on ships or on islands. The DHP vacuum evapo-rating distiller utilizes heat from diesel engine coolant and LP steam by special steam jet heater. The DHP vacuum evaporating distiller is base on the DHP’s titanium plate heat exchanger, one for evaporating of the heated brine and the other for condensing of the water vapor. The vacuum chamber is kept by the seawater driven from condenser combination ejector. Heated seawater is used as feed water (brine) for the evaporating and evaporating temperature is controlled by vacuum pressure. Evaporating pure water vapor passes through deflector, demister and moving water droplets and then enters the condenser. The pure water vapor condensed by cold seawater. The distillated pure water pumped out by fresh water pump and checked salinity. If the salinity exceeds the specified level, so-lenoid valve opens in the discharge line of the fresh water pump, this is automatic operation. The salinity exceeds distilling water is re-turned to evaporating chamber.

Ilseung Fresh Water Generators are fabricated with SUS316L to prevent corrosion caused by sea water. The material of heating tube bundle and condenser are copper-nickel tubes expended into a tube plate of naval brass at each end. This plant can be delivered after fixing all attachments and its shape is so simple and weights so light that it can be easy to install. Fresh water produced is extremely pure, containing less than 10ppm of total dissolved solids. Furthermore, it always tastes fresh and clean, and also it is ideal for engine cooling, drinking, cooking, showering and all other personal uses because the produced water is soft water. ISF-type Fresh Water Generator consist of main body, a distilling condenser of cooling tubes and a mesh separator in the upper part and a heater tubes in the lower part. Moreover, ejector pump, distillate pump, air ejector, brine ejector, control panel and salinity indicator panel are furnished.

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