FEATURES OF AIR RECTIFICATION COMPUTATION.1. PRODUCTION OF COMPRESSED NITROGEN
DOI:
https://doi.org/10.18198/j.ind.gases.2010.0478Keywords:
Rectification, Air, Nitrogen, Oxygen, Argon, Mathematical model, Algorithm, The internal coordination and convergence, The extended model, Characteristics of rectification unit, Theoretical plateAbstract
The equations, describing the processes in the rectification units have been analyzed. The concentration field in a condenser-evaporator and its influence on the boiling pressure has been investigated. The concept of rectification function has been formulated and the methods of the definition of boundary conditions have been examined. Requirements to the quantity of initial parameters have been defined. Factors of influence of the initial values on the finite data have been calculated. Calculation algorithms have been generated and the convergence of algorithms has been investigated at different methodical descriptions of rectification. The control calculations have been carried out and the reasons of unbalance results have been established. It is shown the necessity of providing with full internal co-ordination in the creation of the expanded model including both a column and the condenser-evaporator. Metering characteristics of rectification unit for nitrogen manufacturing have been calculated on the base of expanded model. These characteristics are suitable for quality control of production nitrogen.
Downloads
Issue
Section
License
LICENSE AGREEMENT
After receiving an article for publication as required revision scientometric databases each author directs the license agreement on the assignment and transfer of the management of copyright. Signatures of the author (s) it is desirable to seal the personnel department of the institution where the author works (authors), or the seal of the Faculty.
Revision refers to the authors one layout for proofreading. Permissible only those fixes that result in compliance with the layout of the original text of the article. Significant changes are not permitted. Layout should be sent to the editorial office within days of receipt.