Heat exchange – With first fluid holder or collector open to second fluid – Separate external discharge port for each fluid
Patent
1991-12-05
1992-08-18
Davis, Jr., Albert W.
Heat exchange
With first fluid holder or collector open to second fluid
Separate external discharge port for each fluid
165114, 165900, F28B 106, F28B 910
Patent
active
051390833
ABSTRACT:
There is disclosed a new and improved single-row, two-pass steam condensing bundle used for condensing steam in air-cooled vacuum steam condensers in power plant applications and the like. The new bundle is divided into a plurality of identically built mini-bundle sets. Each mini-bundle set has one centrally located 2nd-pass tube with symmetrically placed 1st-pass tubes positioned on either side of it. The steam leaving each 1st-pass tube is controlled by a flow equalizing device installed at the end of the tubes. The flow of the noncondensible gas mixture leaving each 2nd-pass tube is controlled by an individual orifice in the gas piping system. The larger the number of mini-bundle sets incorporated into the bundle, the greater its counterflow freeze protection feature.
REFERENCES:
patent: 3976126 (1976-08-01), Ruff
patent: 4129180 (1978-12-01), Larinoff
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