COOLING SYSTEM REACTOR CORE OF RESEARCH NUCLEAR REACTOR Russian patent published in 1997 - IPC

FIELD: nuclear reactor engineering. SUBSTANCE: cooling system of nuclear reactor has pressurized hermetical circuit with coolant circulation loops, heat exchangers, circulation pumps and check valves at thrust side of pumps, main pipe-line and gas system for pressure balance. Coolant circulation loops each has two hydrocapacities working like receiving and thrust, connected to suction and thrust branches of circulation loops correspondingly. Thrust hydrocapacity is placed higher then receiving one and it is connected between check valve of pump and active zone of reactor. Both hydrocapacities are connected by balancing pipe-line of gas system combining upper parts of both hydrocapacities. Balancing pipe-line has check valve placed near thrust hydrocapacity. EFFECT: more effective operation of cooling system. 5 cl, 1 dwg