DISTILLATION TOWER OPERATION CONTROL AND MONITORING METHOD

DISTILLATION TOWER OPERATION CONTROL AND MONITORING METHOD

FIELD: production of stable isotopes, for example isotope O18 by low-temperature distillation of NO. ^ SUBSTANCE: method for monitoring and controlling operation of distillation tower with vapor phase condenser and heater-evaporator of liquid phase in order to produce target product comprises steps...

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Hauptverfasser: VETSKO VIKTOR MIKHAJLOVICH, GOLYSHEV VASILIJ GEORGIEVICH, IVANOV VLADIMIR PETROVICH, TROJAN VIKTOR IVANOVICH, SULABERIDZE GEORGIJ ANATOL'EVICH, LEVIN EVGENIJ VLADIMIROVICH, NEMCHINOV VALERIJ MIKHAJLOVICH, KHOROSHILOV ALEKSEJ VLADIMIROVICH, BORMAN VLADIMIR DMITRIEVICH, POLEVOJ ALEKSANDR SERGEEVICH, SYSOEV ALEKSANDR ALEKSEEVICH, TRONIN VLADIMIR NIKOLAEVICH, ZHUROMSKIJ VSEVOLOD MIKHAJLOVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Zusammenfassung:FIELD: production of stable isotopes, for example isotope O18 by low-temperature distillation of NO. ^ SUBSTANCE: method for monitoring and controlling operation of distillation tower with vapor phase condenser and heater-evaporator of liquid phase in order to produce target product comprises steps of measuring level of liquid phase in vessel for collecting liquid phase incorporated into heater-evaporator of liquid phase of tower. Parameters of circulating flow are changed due to varying heat power dissipated by heater-evaporator depending upon change of level of liquid phase, namely: at increase of liquid phase level power dissipated by heater-evaporator is increased; at descending liquid phase level power dissipated by heater-evaporator is lowered. Power dissipated by heater-evaporator is changed according to signals of automatic regulator to which signal of predetermined liquid phase level and signal of liquid phase level pickup are fed. ^ EFFECT: improved efficiency and stability of isotope exchange. ^ 3 cl, 2 dwg