Retrofit problems of refrigeration equipment with a turbocharger

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Abstract

Results of analysis of problems connected with the retrofit of refrigeration, equipment with turbocompressor are presented. It is shown that the retrofit of machines of such type should be considered as a temporary measure; in this case it is practical to develop refrigeration equipment with turbocompressor on monosubstances that can be produced in Russia.

About the authors

O. V. Belyaeva

Institute of Energy Problems of the National Academy of Sciences of Belarus

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

A. Zh. Grebenkov

Institute of Energy Problems of the National Academy of Sciences of Belarus

Email: info@eco-vector.com
Russian Federation

B. D. Timofeev

Institute of Energy Problems of the National Academy of Sciences of Belarus

Email: info@eco-vector.com
Russian Federation

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2. Rice. 1. Influence of the component composition of the mixture R22/R2I/R218 (calculated data at a condensation temperature of 30 °C). The numbers indicate the molecular weight of the mixture, g/mol

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3. Rice. Fig. 2. Scheme of the upgraded HTMF-248 refrigeration machine: TC - turbocharger: El - electric motor; RM - gearbox-multiplier; Kd - capacitor (two capacitors are included in the HTMF-248-4000 circuit, one is shown in Fig. 2); I - evaporator; PC - float chamber; RT - regenerative heat exchanger; VPI, VP2, VPZ, VZhZ, VZh4 - refrigerant sampling valves; t 1B, t2B - sensors for measuring the water temperature at the inlet and outlet of the condenser; VRT - regenerative heat exchanger valve; VD - throttle valve

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4. Rice. Fig. 3. Layout of temperature sensors and sampling valves on the machine 10TXMV-4000-2: TK - turbocharger; El - electric motor; RM - multicapure reducer; Kd - capacitor; I - evaporator; PC float chamber; VP1, VP2, VP5, VZhZ, VZh4 - refrigerant sampling valves: p, pit - condensation and boiling pressure of the refrigerant; p, - pressure at the point of intermediate sampling: t - sensors for measuring temperature at the main points of the refrigeration cycle; l - sensors for measuring the water temperature at the inlet and outlet of the condenser; l p - sensors for measuring the temperature of process water at the inlet and outlet of the evaporator

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Copyright (c) 2022 Belyaeva O.V., Grebenkov A.Z., Timofeev B.D.

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