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Search process for the packages of combustible elements with defective casing in the case of a flue sig metal reactor, a device for its implementation and flue sig metal reactor with this device
Search process for the packages of combustible elements with defective casing in the case of a flue sig metal reactor, a device for its implementation and flue sig metal reactor with this device
A method of detecting stacks with leaky fuel elements in a liquid-metal-cooled reactor, consisting in that prior to withdrawing a coolant sample, gas is accumulated in the coolant of the stack being controlled, the reactor being shut down, separated from the sample by means of an inert carrier gas, and the radioactivity of the separated gas is measured. An apparatus for carrying out said method comprises a sampler in the form of a tube parallel to the reactor axis in the hole of a rotating plug and adapted to move along the reactor axis. Made in the top portion of the tube are holes for the introduction of the inert carrier gas and the removal thereof together with the gases evolved from the coolant, while the bottom portion of the tube is provided with a sealing member.
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