◆ Economy
The capacity of the refrigeration system only needs to be selected according to the daily average load. Using fire pool, original water storage facilities or building basement as cold storage containers can avoid "big horse-drawn carts" and reduce the initial investment. During the service life, the unit investment in cold storage decreases with the increase of the volume of water cold storage tank. When the storage capacity is more than 7000 kW h (6.03 million kcal) or more than 760m3, water storage is the most economical.
◆ Practical
Conventional water chillers can be used, which is suitable for the expansion and transformation of conventional cooling systems. The dual purpose of cold storage and heat storage can be realized.
◆ Energy saving
When the temperature drops at night, the refrigeration efficiency is improved by 6-8%, and the full-load running time of the system is greatly increased, so that the total energy saving rate of the air conditioning system reaches 10%-22%.
◆ reasonable
As a backup cold source, it increases the reliability of air conditioning system; The combination of low-temperature water supply and low-temperature air supply reduces the noise of equipment; The host is running in the best state; Full-load operation time increases, while partial-load operation time decreases, saving maintenance cost.
Applicable occasions of water storage air conditioning
Water storage air conditioning is most suitable for places where there is no refrigeration requirement or only partial refrigeration at night because it needs to start the refrigeration unit for cold storage at night. The application of water storage technology is the same as that of ice storage air conditioning.
Compared with ice storage technology, water storage technology significantly saves the total investment, which is not only suitable for new projects, but also suitable for renovation projects. There is no need to make any changes to the original system, only the pipes required for water storage equipment need to be added to the original system, which has no influence on the original system.
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