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Abstract
Cryogenic isotope-separation equipment is special, encountered in relative few research centers in the world. In addition to the main equipment used in the operation column, a broad range of measuring devices and actuators are involved in the technological process. The proper sensors and transducers exhibit special features; therefore, common, industrial versions cannot be used. Three types of original sensors with electronic adapters are presented in the present study: a sensor for the liquid carbon monoxide level in the boiler, a sensor for the liquid nitrogen level in the condenser and a sensor for the electrical power dissipated in the boiler. The integration of these sensors in the pilot equipment is needed for comprehensive system monitoring and control. The sensors were tested on the experimental equipment from the National Institute for Research and Development of Isotopic and Molecular Technologies from Cluj-Napoca.
Highlights
An important research activity of physicists and chemists is dedicated to isotopes—stable or radioactive
The three sensors designed for cryogenic isotope-separation columns were built together with the corresponding electronic elements
The capacitive carbon monoxide-level sensor is based on the difference between the coefficients of the dielectric permeability in liquid and gaseous phase
Summary
An important research activity of physicists and chemists is dedicated to isotopes—stable or radioactive. There are relatively few scientific international research centers known in this domain, which disseminates particular results and presents possible isotope applications domains. The technology, equipment data and structure, details about the mode of operation for isotope-separation equipment are still “classified”. In these conditions, the research team from NIRDIMT conceived, developed, designed and built various isotope-separation equipment. Our goal is to design and implement a proper monitoring system for these equipment, the first case study being the (13 C) isotope-separation column. The main objective of the present work is to present the three dedicated sensors, designed and implemented for this cryogenic isotope-separation equipment.
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