WORKING OUT THE FLOWING PART OF THE COMPRESSOR STAGE FOR AN EXPANDER-COMPRESSOR UNIT OF TWO-SHAFT DESIGN IN MEDIUM PRESSURE ASU STRUCTURE

Authors

  • Г. К. Лавренченко ООО «Институт низкотемпературных энерготехнологий», а/я 188, г, Одесса, Украина, 65026, Ukraine
  • А. В. Плесной ООО «Институт низкотемпературных энерготехнологий», а/я 188, г, Одесса, Украина, 65026, Ukraine

DOI:

https://doi.org/10.18198/j.ind.gases.2013.0675

Keywords:

Air separation unit, Compressor stage, Flowing part, Expander-compressor unit, Rotor, Diffuser, Steady operation, Efficiency

Abstract

High efficiency air separation units (ASU)   operating by cycles of low pressure air are made on the basis of efficient one-shaft expander-compressor units (ECU). The air expansion in ECU at expander stage (ES) is used for pressure increase in the compressor stage (CS) of air directed in (ES). For some reasons it is practically impossible to develop one-shaft ECU for medium efficiency ASU that carry out cycles with medium and high pressure of the processed air. It has been shown that in ECU made for such ASU two-shaft system with turbo reductor should be applied. The technique for developing two-shaft ECU is described. The optimal indicators of the design of CS used in the structure of two-shaft ECU have been determined. Taking into account the indicators the characteristics of the medium efficiency ASU with two-shaft ECU have been calculated. 

Author Biographies

Г. К. Лавренченко, ООО «Институт низкотемпературных энерготехнологий», а/я 188, г, Одесса, Украина, 65026

G.K.Lavrenchenko

А. В. Плесной, ООО «Институт низкотемпературных энерготехнологий», а/я 188, г, Одесса, Украина, 65026

A.V.Plesnoy

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Issue

No. 3 (2013): Технические газы

Section

PROCESSES, CYCLES, SCHEMES AND THE EQUIPMENT OF REFRIGERATION AND CRYOGENIC SYSTEMS

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