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Mil'shtein L.M.,Topenergomashprom Interbranch Scientific Technical Complex MNTK TEMP
Chemical and Petroleum Engineering | Year: 2014

A procedure for calculating work of several separators having string, mesh, and centrifugal heavy-phase (liquid) precipitators (HPP) at low gas flow rates, when separation in the HPP takes place in the gravity precipitation mode in the separator gas zone, is described. In this process, specific liquid entrainment with the gas increases dramatically. In selecting separators, if the factor of gas velocity in the HPP is less than the minimum calculated level, a correction must be made in the calculation and design of the separators. During operation of the separators, the actual gas flow rate and pressure should be checked to find out whether the gas velocity factor in the HPP fell below the minimum calculated level, and this should be taken into account in calculating liquid entrainment with the gas. © 2014 Springer Science+Business Media New York Source


Mil'shtein L.M.,Topenergomashprom Interbranch Scientific Technical Complex MNTK TEMP | Zaporozhets E.P.,Kuban State University
Chemical and Petroleum Engineering | Year: 2016

Processes in pulsation dampeners are described and recommendations on the selection and design of pulsation dampeners are given. Pulsation dampeners should be installed before the separators or heat exchangers at the inlet of the first separation stage. Pulsation dampeners are not needed before other separation stages. Three-pipe pulsation dampeners with a Venturi nozzle at the inlet are installed before the separators that have separate liquid and gas inlets. A Venturi nozzle is installed before the separators and heat exchangers that have a single mixture inlet. The flow area of the Venturi nozzle neck should be smaller than the flow area of the pulsation dampener–throttle track leading to the next separation stage. © 2016 Springer Science+Business Media New York Source

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