Fuel preheating for a fuel processing system of a fuel cell power plant
This patent describes a method of operating a dual fuel cell power plant. It comprises recycling inert gas serially through a fired gas reformer, a first pass in a two-way heat exchanger, a heat rejecting heat exchanger, a blower, a second pass in the two-way heat exchanger in counterflow relationship with the first pass, and returning the inert gas to the reformer, while preheating the components of the power plant in preparation for operation; operating the power plant on gaseous fuel including passing hot reformed fuel from the reformer through a first pass in the two-way heat exchanger and passing raw gaseous fuel through a second pass in the two-way heat exchanger in counterflow relationship with the first pass; and alternately operating the power plant on liquid fuel including passing hot reformed fuel from the reformer through a first pass in the two-way heat exchanger, and passing raw liquid fuel through a second pass in the heat transfer exchanger in parallel flow relationship with the first pass to vaporize the liquid fuel.
- Assignee:
- International Fuel Cells Corp., South Windsor, CT (USA)
- Application Number:
- PPN: US 7-521481
- OSTI ID:
- 5782326
- Resource Relation:
- Patent File Date: 10 May 1990
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
FUEL CELL POWER PLANTS
GAS FUELS
HEAT EXCHANGERS
DUAL-FUEL ENGINES
EXHAUST RECIRCULATION SYSTEMS
REGENERATORS
WASTE HEAT UTILIZATION
ENGINES
EQUIPMENT
EXHAUST SYSTEMS
FUELS
POLLUTION CONTROL EQUIPMENT
POWER PLANTS
WASTE PRODUCT UTILIZATION
200102* - Fossil-Fueled Power Plants- Power Cycles
200105 - Fossil-Fueled Power Plants- Heat Utilization
250600 - Energy Storage- Thermal
320304 - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Waste Heat Recovery & Utilization