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Application US20190237205
Published 2019-08-01
Direct Heat Exchanger For Molten Chloride Fast Reactor
A molten chloride fast reactor (MCFR) includes a plurality of reflectors defining a central core having a core geometric center. A flow channel fluidically connected to the central core. The flow channel includes an outlet flow channel downstream of the central core and an inlet flow channel upstream from the central core. A primary heat exchanger (PHX) disposed outside the central core and between the outlet flow channel and the inlet flow channel. The MCFR also includes a decay heat heat exchanger (DHHX). At least a portion of the DHHX is disposed above the core geometric center, and a fuel salt is configured to circulate at least partially through the outlet flow channel, the DHHX, the PHX, the inlet flow channel, and the central core.
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- 1. A molten chloride fast reactor (MCFR) comprising:
a plurality of reflectors defining a central core, wherein the central core includes a core geometric center; a flow channel fluidically connected to the central core, wherein the flow channel includes an outlet flow channel downstream of the central core and an inlet flow channel upstream from the central core; a primary heat exchanger (PHX) disposed outside the central core and between the outlet flow channel and the inlet flow channel; and a decay heat heat exchanger (DHHX), wherein at least a portion of the DHHX is disposed above the core geometric center, and wherein a fuel salt is configured to circulate at least partially through the outlet flow channel, the DHHX, the PHX, the inlet flow channel, and the central core.
- 14. A molten chloride fast reactor (MCFR) comprising:
a vessel including a plurality of structures disposed therein and defining at least one flow channel for circulating fuel salt within the vessel; a core geometric center defined within the vessel; and a decay heat heat exchanger (DHHX) disposed within the vessel and at least partially above the core geometric center.
- 17. A direct reactor auxiliary cooling system (DRACS) for a molten chloride fast reactor (MCFR), the DRACS comprising:
a decay heat heat exchanger (DHHX) disposed within a MCFR reactor vessel and at least partially above a core geometric center, wherein the DHHX includes a shell and a plurality of tubes, and wherein the plurality of tubes receive a flow of fuel salt within the MCFR reactor vessel; and a cooling circuit coupled in flow communication with the shell and configured to circulate a coolant fluid therein.
