Steam desuperheater

Details Steam desuperheater Steam desuperheater

1993-01-19

1995-01-31

Bennet, Henry A.

Liquid heaters and vaporizers

Steam treatment

261DIG13, F04F 546, G21C 17028

Patent

active

053851218

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.

REFERENCES:
patent: 869454 (1907-10-01), Otis
patent: 2222348 (1940-11-01), Gorrie
patent: 2254472 (1941-09-01), Dahl
patent: 2413717 (1947-01-01), Kerr
patent: 2725221 (1955-11-01), Pontow
patent: 3392712 (1968-07-01), Lustenader et al.
patent: 3719524 (1973-03-01), Ripley et al.

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