Refrigeration – Storage of solidified or liquified gas – Spraying of cryogen
Patent
1978-10-23
1980-10-07
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
Spraying of cryogen
126 195, 62323, F17C 702
Patent
active
042266050
ABSTRACT:
A liquid-vapor converter of a compact skid-mounted design is provided that efficiently converts a cryogenic liquid into a vapor, and which includes, in the same skid mounting, all necessary components necessary to receive the liquid and to provide therefrom a high pressure source of gas, particularly for use in recovery of product from oil wells. The design includes an internal combustion engine as a motive force to drive the main pump for pressurizing the vapor for its intended use. A heat exchanger receives the liquid and circulates the same through tubing, where the liquid is vaporized in the heat exchanger by ambient air being passed across the tubing to warm the liquid, thus effecting such vaporization. The heat exchanger utilizes heat from the engine exhaust to preheat the incoming ambient air prior to its passing in heat transfer relationship across the tubing. In addition, further heat may be provided to the incoming ambient air by positioning the engine radiator and/or the hydraulic oil cooler in the ambient air stream inlet. The overall converter is particularly adapted for use in oil well drilling locations where extreme care must be taken to avoid open flame or fires, such as off-shore drilling rigs.
REFERENCES:
patent: 2359219 (1944-09-01), Jones
patent: 3058317 (1962-10-01), Putman
patent: 3100528 (1963-08-01), Plummer et al.
patent: 3124940 (1964-03-01), Guelton
patent: 3229472 (1966-01-01), Beers
patent: 3662561 (1972-05-01), Schroeder
patent: 3672446 (1972-01-01), Tibbetts et al.
patent: 3823568 (1974-07-01), Bijasiewiez
patent: 4003139 (1977-01-01), Van Winkle
Airco, Inc.
Bopp Edmund W.
Capossela Ronald C.
Cassett Larry R.
Rathbun Roger M.
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