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Wasted steam drain which has heated fuel oil for the main engine etc., is led to the atmospheric condenser and cooled. Then, if any oilis mixed in the drain waterbecause of cracks in pipes(These cracks are not acceptable) is removed by sponges in the buckets provided in the cascade tank and cleaned water is fed to the auxiliary boiler by feed pump.The water also heated to approximately 90 deg C to oxygen in the feed water .

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15y ago

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