The Means to Improve Water Treatment and to Enhance Power Engineering Performance of the Water Source Heat Pump

The subject matter of the paper is related to scientific-and-theoretical basis of power engineering characteristics of heat pump directly depending on the quality of treated water for reliable and uninterrupted operation of heat pump evaporator and compressor. On the basis of experimental data, ener...

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Published inĖnergetika (Minsk, Belarus) Vol. 61; no. 4; pp. 372 - 380
Main Authors Junussova, L. R., Abildinova, S. K., Aliyarova, M. B., Chicherin, S. V., Junussov, T. Ja
Format Journal Article
LanguageEnglish
Russian
Published Belarusian National Technical University 20.07.2018
Subjects
compressor
condenser
desalination
district heating
efficiency
evaporator
freon
frequency converter
heat pump
membrane
reliability
ultrafiltration unit
underground water
Online AccessGet full text
ISSN1029-7448
2414-0341
DOI10.21122/1029-7448-2018-61-4-372-380

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Abstract The subject matter of the paper is related to scientific-and-theoretical basis of power engineering characteristics of heat pump directly depending on the quality of treated water for reliable and uninterrupted operation of heat pump evaporator and compressor. On the basis of experimental data, energy parameters of the heat pump are calculated. The method of the combined technology of the heat pump “water – air” operation is considеred, the efficiency of which is based on the preliminary improvement of the quality of water softened with the use of a membrane ultrafiltration unit. This solution made it possible to reduce the load on the filters and to exclude the use of chemical reagents used in the classical schemes of water heating facilities. In order to improve the operation of the heat pump compressor, a method based on altering the speed of rotation of the shaft by means of electronic microprocessor devices has been proposed. To regulate the compressor performance, a frequency converter with a wide range of alternating current frequency is used. The intervals of alteration of frequency of the alternating current corresponding to energy-efficient values of coefficient of transformation of energy of the heat pump are investigated. The values of the energy conversion coefficient of the heat pump obtained in the course of experiments and determined by calculation are consistent within the experimental errors with the regulation of the compressor performance. The suggested experimental device made it possible to determine the dependence of the main characteristics of the unit of the heat pump unit on the number of revolutions of the compressor and to find out an effective range of its control (50–180 %). The development of advanced technologies for natural water treatment under conditions of increased anthropogenic loads on natural water sources is a priority one among the fundamental and applied research in the field of water treatment.
AbstractList The subject matter of the paper is related to scientific-and-theoretical basis of power engineering characteristics of heat pump directly depending on the quality of treated water for reliable and uninterrupted operation of heat pump evaporator and compressor. On the basis of experimental data, energy parameters of the heat pump are calculated. The method of the combined technology of the heat pump “water – air” operation is considеred, the efficiency of which is based on the preliminary improvement of the quality of water softened with the use of a membrane ultrafiltration unit. This solution made it possible to reduce the load on the filters and to exclude the use of chemical reagents used in the classical schemes of water heating facilities. In order to improve the operation of the heat pump compressor, a method based on altering the speed of rotation of the shaft by means of electronic microprocessor devices has been proposed. To regulate the compressor performance, a frequency converter with a wide range of alternating current frequency is used. The intervals of alteration of frequency of the alternating current corresponding to energy-efficient values of coefficient of transformation of energy of the heat pump are investigated. The values of the energy conversion coefficient of the heat pump obtained in the course of experiments and determined by calculation are consistent within the experimental errors with the regulation of the compressor performance. The suggested experimental device made it possible to determine the dependence of the main characteristics of the unit of the heat pump unit on the number of revolutions of the compressor and to find out an effective range of its control (50–180 %). The development of advanced technologies for natural water treatment under conditions of increased anthropogenic loads on natural water sources is a priority one among the fundamental and applied research in the field of water treatment.
Author Chicherin, S. V.
Junussov, T. Ja
Aliyarova, M. B.
Junussova, L. R.
Abildinova, S. K.
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SubjectTerms compressor
condenser
desalination
district heating
efficiency
evaporator
freon
frequency converter
heat pump
membrane
reliability
ultrafiltration unit
underground water
Title The Means to Improve Water Treatment and to Enhance Power Engineering Performance of the Water Source Heat Pump
URI https://doaj.org/article/0d2a51600cf045c2b074405013e78b1c
Volume 61
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