Compact precooler and cooling process

Details Compact precooler and cooling process Compact precooler and cooling process

2005-03-15

2005-03-15

Alejandro, Raymond (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

C429S006000, C429S006000, C422S198000

Reexamination Certificate

active

06866951

ABSTRACT:
In a hydrocarbon fueled reformed gas fuel cell system having a rated power, a process for cooling reformed gas from a fuel processor prior to feeding the reformed gas to a shift converter includes the steps of providing a cooling zone having a hot gas inlet, a cooled gas outlet and a water inlet, feeding the reformed gas at a temperature of between 600 to 900° F. to the hot gas inlet, redirecting the reformed gas in the cooling zone so as to provide a swirling recirculating flow of the reformed gas in the cooling zone, atomizing water into droplets and contacting the droplets with the redirected reformed gas so as to cool the reformed gas and vaporize the water, and removing a stream of cooled reformed gas from the cooling zone wherein the reformed gas is at a temperature between 400 to 500° F. and the stream is substantially free of water droplets.

REFERENCES:
patent: 4004947 (1977-01-01), Bloomfield
patent: 5747185 (1998-05-01), Hsu
patent: 6703151 (2004-03-01), Cipollini et al.

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