Design of an HTGR for high-temperature process heat applications
Conference
·
OSTI ID:6109487
The high-temperature gas-cooled reactor (HTGR) offers a unique heat source for process heat applications since its operating temperature is substantially higher than that of other types of nuclear reactors. This paper discusses a design study of an advanced 842-MW(t) very high temperature reactor (VHTR) coupled with a chemical process whose product is hydrogen (or a mixture of hydrogen and carbon monoxide) generated by steam reforming of a light hydrocarbon mixture. A key feature of the plant is the nuclear reactor core, which utilizes helium as its primary coolant, has ceramic-coated fuel particles containing uranium and thorium, and employs graphite as the moderator and structural material. As in other HTGR designs, the VHTR has its entire primary coolant system contained in a prestressed concrete reactor vessel (PCRV) which provides the necessary biological shielding and pressure containment. The high-temperature nuclear thermal energy is transported to the externally located process plant by a secondary helium transport loop. In addition to providing the thermal driving potential required for the reforming process, the nuclear heat is also used to generate high-temperature, high-pressure steam to satisfy both the process and electrical generation needs for the operation of the nuclear plant and reforming process plant.
- Research Organization:
- General Atomic Co., San Diego, CA (USA)
- DOE Contract Number:
- EY-76-C-03-0167
- OSTI ID:
- 6109487
- Report Number(s):
- GA-A-15494; CONF-791006-1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210300 -- Power Reactors
Nonbreeding
Graphite Moderated
210900* -- Nuclear Power Plants-- Process Heat Reactors-- (-1987)
CHEMICAL REACTIONS
COOLING SYSTEMS
DESIGN
GAS COOLED REACTORS
GRAPHITE MODERATED REACTORS
HTGR TYPE REACTORS
HYDROGEN PRODUCTION
PROCESS HEAT REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTORS
REFORMER PROCESSES
STEAM REFORMER PROCESSES
210300 -- Power Reactors
Nonbreeding
Graphite Moderated
210900* -- Nuclear Power Plants-- Process Heat Reactors-- (-1987)
CHEMICAL REACTIONS
COOLING SYSTEMS
DESIGN
GAS COOLED REACTORS
GRAPHITE MODERATED REACTORS
HTGR TYPE REACTORS
HYDROGEN PRODUCTION
PROCESS HEAT REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTORS
REFORMER PROCESSES
STEAM REFORMER PROCESSES