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Технико-экономический анализ установки по ожижению азота
Инженерный журнал: наука и инновации
# 3·2016 13
Feasibility analysis of the installation for the nitrogen
liquefaction
©
S.I. Khutsieva, A.E. Mitruzaev, A.N. Parkin, A.E. Brom
Bauman Moscow State Technical University, Moscow, 105005, Russia
The article presents the results of feasibility analysis and calculation of the production
cost and cost of using the installation for the nitrogen liquefaction. The particular urgen-
cy of solving this problem is associated with both the technical and economic rationale
for the optimum heat exchangers (HE) choice to support the overall effectiveness and
expediency of their production and operation. For performing the analytical substantia-
tion the dependence of the cost per unit on the electricity cost and the HE cost per unit
used in the installation of this type is determined in the article to significantly improve
the energy efficiency. For clarity, the article provides the diagram and description of the
installation for nitrogen liquefaction, its technical parameters and the potential to in-
crease economic efficiency. Structural diagram of the coil HE shown in the article is
supplemented by calculations of the geometric parameters, presented in the tables. In
support of commercial efficacy parameters estimated payback period of the installation
and profit opportunities are presented. The technique for calculating the commercial
factors as payback period, profit etc. is given in the respective tables.
Keywords:
feasibility analysis, nitrogen liquefier, annual cost per unit, technical analy-
sis, economic design, commercial efficacy parameters.
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