Abstract:

THE DESIGN AND PERFORMANCE FEATURES OF A SINGLE-FLUID MOLTEN-SALT BREEDER REACTOR

Authors:

E. S. BETTIS and ROY C. ROBERTSON

Reactor DIVISION

Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830

October 2, 1969

 

A conceptual design has been mad of a single-fluid 1000 MW(e) Molten Salt Breeder Reactor (MSBR) power station based on the capabitities of present technology. The reactor vessel is 22 ft in diameter x 20 ft high and is fabricated of Hastelloy -N with graphite as the moderator and reflector. The fuel is U233 carried in a LiF-BeF2- ThF4 mixture which is molten above 930F. Thorium is converted to U233 in excess of fissile burn up so that bred material is a plant product. The estimated fuel yield is 3.3% per year.

The estimated construction cost of the station is comparable to PWR total construction costs. The power production cost, including fuel-cycle and graphite replacement costs, with private utility financing, is estimated to be 0.5 to 1 miL/kwh less than that for present-day light-water reactors, largely due to the low fuel-cycle cost and high plant thermal efficiency.

After engineering development of the fuel fabrication processes and large-scale components, a practical plant similar to the one described here appears to be feasible.

Dec 5, 2014   1990   egeneration    Feasibility And Concept Studies, Nuclear Applications And Technology Technical Briefs
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