Membrane process water feeding and oxygen eliminating appts. for boiler

The utility model relates to a water feeding and deoxidizing device for boilers, which is composed of a microporous filter (1), a vacuum apparatus (3), and a flow meter (4). The utility model is characterized in that a degasser (2) is arranged between the flow meter (4) and the vacuum apparatus (3), and the degasser is leastwise composed of one liquid film component (2-10). The effect of deoxidization still be ensured by the utility model which runs under the condition of intermittent water supply at normal temperature. The utility model is especially suitable for the deoxidization and water-supply for the boilers, which has the advantages of simple principles, small volume, convenient operation, easy maintenance, and low operating cost.