Authors & Affiliations

Beznosov A.V., Bokova T.A., Bokov P.A., Karbyshev A.A., Lukichev N.S.
Nizhny Novgorod State Technical University. R.E. Alekseeva, Nizhny Novgorod, Russia

Beznosov A.V. – Professor, Honored Worker of Science of the Russian Federation, Dr. Sci. (Tech.), Institute of Nuclear Power Engineering and Technical Physics, Nizhny Novgorod State Technical University. R.E. Alekseeva.
Bokova T.A. – Associate professor, Cand. Sci. (Tech.), Institute of Nuclear Power Engineering and Technical Physics, Nizhny Novgorod State Technical University. R.E. Alekseeva. Contacts: 24, Minina st., Nizhny Novgorod, Russia, 603155. Tel.: +7(910)393-18-94; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Bokov P.A. – Senior Lecturer, Cand. Sci. (Tech.), Institute of Nuclear Power Engineering and Technical Physics, Nizhny Novgorod State Technical University. R.E. Alekseeva.
Karbyshev A.A. – Master of the second year of training, Institute of Nuclear Power Engineering and Technical Physics, Nizhny Novgorod State Technical University. R.E. Alekseeva.
Lukichev N.S. – Master of the first year of training, Institute of Nuclear Power Engineering and Technical Physics, Nizhny Novgorod State Technical University. R.E. Alekseeva.

Abstract

When creating installations and stands with lead and lead-bismuth coolants, in the part of the HLMC technology, two mutually complementary tasks always have to be solved. These are: 1 - cleaning of circuits and coolant from its oxides; 2 - control of the regulation of the content of thermodynamically active oxygen in HLMC for the formation and shaping of oxide protective coatings on the surfaces of the structural materials of the contour that come into contact with the HLMC.
The authors proposed and developed a significant number of methods and devices aimed at solving this problem.
In the NSTU, studies were carried out to regulate the oxidizing potential of the liquid nitrogen liquid by feeding an inert gas mixture with oxygen, hydrogen, and a mixture thereof, generated by electrolysis, into the trace of the ejected gas. When introducing an oxygen-containing mixture and an inert gas mixture with products of electrolysis (oxygen and hydrogen) from the cavities of the cell, a more effective increase in the thermodynamic activity of oxygen in the lead-bismuth eutectic was recorded than when a gas of the same composition was supplied from the balloon, probably due to the fact that oxygen in mixture was in ionized state. The presence of hydrogen (an electrolysis product) in the gas mixture from the electrolyser practically did not affect the character of the increase in the oxygen content in the lead-bismuth coolant.
In the NSTU. R.E. Alekseeva proposed and investigated the method and device for introducing oxygen-containing gas mixtures in the so-called gas mass exchanger, the method proved to be sufficiently effective and easy to operate.

Keywords
HLMC, lead, gas mass exchanger, coolant technology, jets, drops, crushing, regulation, gas bubbles, free level

Article Text (PDF, in Russian)

References

UDC 621.039

Problems of Atomic Science and Technology. Series: Nuclear and Reactor Constants", 2017, special issue, 5:4