Mist atomizer and mist atomizing device for fuel cells

Abstract

Mists atomized from siphon type two-fluid nozzles 14a and 14b are made to collide with each other within a secondary gas intake conduit 16 and secondary gas is supplied toward a collision point of the mists. A flow control plate 22 is provided within the secondary gas intake conduit 16 at a point upstream from the collision point to ensure that the secondary gas does not interfere with the collision of the mists and also to promote fine mists generated by the collision of the mists to mix with the secondary gas. Further, a secondary nozzle 24 is provided at the tip of the secondary gas intake conduit 16 to jet the secondary gas including the fine mists from the secondary nozzle 24. In the case of applying this mist atomizer 10 to the fuel cell 30, droplets and liquid water in the process gas is separated and removed at the mounting portion of the mist atomizer 10 in order to selectively supply mist of equal-sized particles only into the fuel cell. The collected water is stored in the supply water tank temporarily and supplied again to the two-fluid nozzle for reuse.

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