Steam desuperheater
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United States of America Patent
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-
Jan 31, 1995
Grant Date -
N/A
app pub date -
Jan 19, 1993
filing date -
Jan 19, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A desuperheater is disclosed which employs an acceleration orifice within a steam conduit to increase the velocity of steam flowing therethrough, creating a region of low pressure steam. A nozzle having an enclosed elliptical discharge orifice sprays small droplets of cooling water in a semi-elliptical hollow cone pattern directly into the region of low pressure steam flow. Evaporization of the cooling water into the steam is optimized allowing effective control of the steam temperature. Nozzle fouling and plugging is reduced because the droplet size created by the nozzle is small in comparison to the nozzle orifice.
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