Energy-saving refrigeration supply of local-central SCR in a shopping mall

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Abstract

А refrigeration supply system of local-central air-conditioning system in a trade complex is described in detail. Energy saving is obtained through the use of refrigerating machines only in summer period. Daily fluctuations in refrigeration demand are traced by flexible system of automatic control of York refrigerating machines as used in the project. In winter period the AC system refrigeration demand is provided with cold outside air.

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O. Ya. Kokorin

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Email: info@eco-vector.com

Д-р техн, наук, проф.

Russian Federation

I. N. Smirnova

Email: info@eco-vector.com
Russian Federation

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2. Rice. 1. Scheme of the section of the building of the shopping complex and the location of cold consumers from the central refrigeration station: 1 - central supply units for supplying conditioned sanitary norms of outdoor air LnH to the serviced premises; 2 - silencers; 3 - air distributors; 4 - local suspended fan air coolers; 5 - local fan units for blowing glazing with cold or hot air

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3. Rice. 2. Scheme of energy-saving refrigeration supply of local-central ACS premises of the shopping complex: 1 - chillers LCHM 230 W; 2 - antifreeze air coolers; 3 - pipeline for supplying heated antifreeze; 4 - cooled antifreeze supply pipeline; 5 - plate heat exchanger (antifreeze-water); 6 - heated water supply pipeline; 7 - pipeline for supplying chilled water to the storage tank; 8 - storage tank; 9 - pipeline for supplying cold water to the pumps; 10 - pipeline for supplying cold water to the air coolers of the central supply units; 11 - pipeline for supplying cold water to air-cooling heat exchangers of local fan units; 12 - pipeline for the removal of heated water from the air coolers of the central supply units; 13 - pipeline for the removal of heated water from the air coolers of local fan units; 14 - pipeline for supplying heated water to pumps; 15 - tank for antifreeze; 16 - manual antifreeze pump; 17 - sealed expansion tanks; 18 - three-way automatic valve for controlling the temperature of the cooled water; H1 - a group of antifreeze circulation pumps; 112 - group of cooled water circulation pumps; IZ - a group of pumps for supplying cooled water to air coolers of central air conditioners; H4 - a group of pumps for supplying chilled water to the air coolers of local fan units; E1 - direct acting solenoid valve; E2 - reverse-acting solenoid valve

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Copyright (c) 2022 Kokorin O.Y., Smirnova I.N.

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