Vol 90, No 4 (2001)

Cover Page

Full Issue


St. Petersburg State University of Low Temperature and Food Technologies: into the 21st century with new hopes

Baranenko A.V.


The course of the country's leadership towards industrialization and the rapid growth of the refrigeration industry in the 1920s and 1930s predetermined the need to create a single educational and scientific center that would provide the developing industry with refrigeration specialists. On May 31, 1931, the Council of People's Commissars of the USSR, by Decree No. 431, opened in Leningrad in the building of a former commercial school built in 1872 on Cherpyshev lane, house 9, a center for refrigeration engineering - the Leningrad Educational Mechanical and Technological Refrigeration Plant, which united the institute, the workers' faculty and technical school.

Refrigeration Technology. 2001;90(4):2-3
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Scientific schools and specialists of the department "Theoretical foundations of heat and cold engineering"

Tsvetkov O.B., Filatkin V.N., Danilova G.N., Kletsky A.V., Plotnikov V.T.


The Department of Theoretical Fundamentals of Heat and Cooling Engineering was founded in 1946 by Anatoly Georgievich Tkachev, a graduate of our university, in those years a candidate of technical sciences, vice-rector of the institute for educational and scientific work.

Refrigeration Technology. 2001;90(4):4-7
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Department of Air Conditioning

Burtsev S.I.


In 1947, the Department of Sanitary Engineering was founded at the institute. The first two years it was headed by Professor A.N. Budnyakov, and from 1948 to 1967 - by Professor R. M. Ladyzhensky, under whom since 1961 it became known as the Department of Air Conditioning, Sanitary Engineering and Labor Protection.

Refrigeration Technology. 2001;90(4):8-9
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Department of Refrigeration Units

Baranenko A.V., Kalyunov V.S.


The department "Refrigerating plants" was organized in 1933 after the division of the department "Refrigerating machines and installations", which was headed since 1931 by Corresponding Member. USSR Academy of Sciences A.A. Satkevich. The creation of a new department was due to the increased need of the rapidly developing sectors of the food industry and refrigeration for engineering personnel in the field of production and use of artificial cold.

Refrigeration Technology. 2001;90(4):10-11
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Department of Cryogenic Engineering

Akulov L.A.


В 50-х годах XX века основанных отраслях науки и техники начались интенсивное развитие новых технологий, в значительной степени связанных с использованием криогенных темпе­ратур. Это относится В первую очередь к таким отраслям, как металлургия, химия и ракетно-космически техника. Для работы в них потребовались инженерные кадры, имеющие необходи­мые знания в области криогеники.

Refrigeration Technology. 2001;90(4):12-15
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Prospects for the creation of standard-size series of refrigeration machines and heat pumps based on unified axial compressors

Bukharin N.N., Ognev V.V., Lopatin M.V.


A possibility of development of a unified family of compressors with various refrigw capacities and pressure ratios on the basis of one baseline full-size axial compressor hai^ maximum number of stages is shown. This makes it possible to implement a re/r^eJ cycle with one compressor and much simpler vapor supply to intermediate stages than* the use of centrifugal compressors

Refrigeration Technology. 2001;90(4):16-18
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Refrigeration of air conditioning systems in the restored Cathedral of Christ the Savior in Moscow

Kokorin O.Y.


In the 830s, the building of the Cathedral of Christ the Savior was blown up and the construction of a high-rise building of the Palace of Soviets began in its place.
A huge pit was dug and the metal structures of the foundation of the high-rise building were erected. At the beginning of the Great Patriotic War, construction was stopped, the metal structures were cut off and used as anti-tank barriers in the defense of Moscow. After the end of the war, the construction of the Palace of Soviets was not resumed, and an outdoor swimming pool was built on the site of the foundation pit.
In the mid-90s, with the active participation of Moscow Mayor Yu.M. Luzhkov, a decision was made to eliminate the pool and restore the Cathedral of Christ the Savior on this site. The design and architectural work on the reconstruction of the temple was led by the director of the Mosproekt-2 Institute M.M. Posokhin

Refrigeration Technology. 2001;90(4):27-29
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Domestic appliances for refrigeration equipment


The refrigeration industry is developing quite rapidly in our country today. The August crisis of 1998, which resulted in a sharp drop in the supply of imported refrigeration equipment, benefited domestic producers. This revived Russian factories for the production of commercial refrigeration equipment. With the development of various forms of trade, including virtual, the need for refrigerated chambers, refrigerated display cases and counters, mobile refrigeration units and air conditioners has grown.

Refrigeration Technology. 2001;90(4):30-32
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Bitzer Compressor Cooling System with Controlled Injection Refrigerant (CIC)


The use of R22 refrigerant instead of R502 in low-temperature refrigeration equipment is associated with the need to fulfill a number of special requirements for the design of the compressor and refrigeration oil. By increasing the R22 condensing pressure, the discharge temperature can quickly reach unacceptable values. With prolonged operation under such conditions, the stability of the oil in the mixture with the refrigerant drops and, as a result, the life of the compressor is reduced. It is possible to reduce the discharge temperature by using a special cooling system that uses a controlled injection of liquid refrigerant into the compressor suction cavity. In relation to Bitzer compressors, such a system is called CIC (Controlled Injection Cooling). The consumer has a reliable way to limit the discharge temperature in four- and six-cylinder reciprocating compressors

Refrigeration Technology. 2001;90(4):36-37
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Absorption lithium bromide heat converters of new generation

Baranenko A.V., Popov A.V., Timofeevsky L.S., Volkova O.V.


Different modifications of Russian absorption lithium-hromide heat transformers (ABPT) of tipnerulifui have been developed using science-intensive technologies. They are designed for wi wdvr conditions of producing cold, heat and simultaneous production of cold and heat, with of generators with hot water, steam, products of combustion of natural gas or liquidJuel.

I in ABPT ofnew construction materials and profiles of heat exchange tubes, corrosion inhibitors nhvfaciants allowed to increase the service life ofABPTup to 25years and reduce the amount of consumption to the level comparable with AR PT produced by world leading companies echnical and cost-efficient indices of AR PT of new generation allow to recommend them ?atrg)-saving refrigerating and heat-pump machines.

Refrigeration Technology. 2001;90(4):18-20
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Modern problems of operation of ammonia refrigeration systems and ways to solve them

Kuzmin M.P., Bakhvalov O.A., Pleshanov S.S.


A seminar held on November 14-17, 2000, organized by the Kholod training plant (under the jurisdiction of Rosmyasomoltorg OJSC) for chief engineers and heads of compressor shops of food enterprises and cold storage plants, was devoted to this topical topic. The seminar was attended by representatives of the cold storage plant st. Uzlovaya, Smolensk, Zhukovsky, Kaluga, Voronezh, Saratov cold storage plants, as well as the board of Rosmyasomoltorg OJSC, research and design organizations, universities, firms, etc.

Refrigeration Technology. 2001;90(4):38-38
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Liquid chillers (chillers) with semi-hermetic ammonia compressors Grasso International


On the basis of reciprocating semi-hermetic ammonia compressors manufactured by Grasso (a plant in Halle, Germany), a family of refrigerating machines for cooling liquids (chillers with a wide performance range: from 115 to 1549 kW) was created. Joint research by specialists from Grasso and Sins » made it possible to develop a special electric motor resistant to ammonia, high humidity and refrigeration oils, suitable for use in Grasso semi-hermetic mechanical compressors of a unique design.

Refrigeration Technology. 2001;90(4):39-39
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PKTs SpetsTehSbyt LLC offers respiratory protection and skin protection from ammonia


Insulating gas masks IP-4m, IP-5, IP-6 and regenerative cartridges for them RP-4-01, RP-5, RP-6.

Refrigeration Technology. 2001;90(4):46-46
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