High-temperature reactor

Details High-temperature reactor High-temperature reactor

1990-07-17

1991-10-29

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Auxiliary heat removal structure

376299, 376383, 376387, 376400, 376207, 376210, G21C 900

Patent

active

050614355

ABSTRACT:
High temperature reactor with residual-heat transfer system comprises a cooling gas intake at the bottom and cooling gas outlet at the top so that a cooling gas can flow from the bottom to the top through the reactor core. In order to assure reliable heat transfer a bypass duct is provided with a lower end communicating with the cooling gas intake and the upper end communicating with the cooling gas outlet. The bypass duct is arranged parallel to the reactor core and passing a partial flow of cooling gas from the bottom to the top. This partial flow of cooling gas heats up only trivially. This partial flow of cooling gas is further cooled by the cooler. The upward flow of the comparatively cold cooling gas in the bypass duct stops and by itself reverses because the cooling gas in the bypass duct is drawn toward the reactor core on account of the natural convection. This natural convection is maintained itself automatically in the reactor core with the required downflow inspite of the raised temperature of the cooling gas.

REFERENCES:
patent: 3773618 (1973-11-01), Gratton
patent: 4243487 (1981-01-01), Schweiger
J. Singh et al., Steam Generator Concept of a Small HTR for Reheating or for Removal of the Residual Heat; 1988, pp.; 141-147.

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