Flow-through nitrogen cold supply system, fully realizing the temperature potential of the cryoagent

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Abstract

A principle of organization of work of a nitrogen system of cold supply fully realizing a temperature potential of the cryogen is shown. A formulae allowing to evaluate the degree of use of a temperature potential of nitrogen at every level of the system of cold supply is given.

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V. I. Stefanchuk

LLC "Thermoengineering"

Author for correspondence.
Email: info@eco-vector.com
Russian Federation

S. N. Arbuzov

Moscow State University of Applied Biotechnology

Email: info@eco-vector.com
Russian Federation

K. P. Wenger

Moscow State University of Applied Biotechnology

Email: info@eco-vector.com
Russian Federation

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2. Rice. Fig. 1. Schematic diagram of a flow-through cold supply system with five temperature levels, which ensures the full realization of the refrigeration potential of liquid and gaseous nitrogen: 1 - liquid nitrogen storage tank; 2 - nitrogen quick-freezing tunnel apparatus (ASTA); 3 - technological apparatus for freezing the product; 4 storage room or a means of transporting a frozen product; 5 - product storage chamber with dynamic isolation; 6 - heat exchanger

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3. Fig.2. Dependence of liquid nitrogen consumption G during freezing of semi-finished meat products on the temperature of gaseous nitrogen leaving the ASTA apparatus of various capacities, kg/h: 1 - 100; 2 - 500; 3 - 800; 4 - 250

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4. Fig.Z. Dependence of the degree of use of the temperature potential of liquid and gaseous nitrogen of the cold supply system on the temperature of the gaseous nitrogen released into the atmosphere and on the ambient temperature.

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Copyright (c) 2022 Stefanchuk V.I., Arbuzov S.N., Wenger K.P.

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