Contaminated fluid heat exchanging

Details Contaminated fluid heat exchanging Contaminated fluid heat exchanging

1986-02-03

1987-09-01

Davis, Jr., Albert W.

Heat exchange

With solids separator for exchange fluid

165143, 165158, 210181, 210443, 210498, F28F 1312

Patent

active

046902082

ABSTRACT:
A heat exchanging system for exchanging heat with contaminated water includes a housing having a coaxial tube exchanger assembly with return passages in the housing ends for the outer tubes and return tube bends for the inner tubes. A filter at the inlet of the coaxial tube assembly is formed of a number of passages in parallel with right angle bends defined by parallel fins between a bottom plate and transparent top plate. For cleaning there is a pressure chamber, a fill valve and an air valve intermittently activated. There is also a drain valve and a vacuum release valve. Heat exchanger tube is manufactured by rotatably and axially feeding tubing through a repeating impacting pointed power hammer that forms sharp edge craters on the exterior of the tube and sharp peaks on the interior. An impact tool driven by a powered impact hammer strikes the tubing passing through a tube pathway defined by variable direction rollers. A power drive roller has its axis askew to the axis of the tube.

REFERENCES:
patent: 984705 (1911-02-01), Rarick
patent: 2413360 (1946-12-01), Maguire et al.
patent: 3566502 (1971-03-01), Pasqualini
patent: 4413675 (1983-11-01), Gano
patent: 4545906 (1985-10-01), Frederick

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