In - depth Explanation of Large - temperature - difference Ice - storage Air - conditioning Systems
2025-04-04
An ice - storage air - conditioning system is an air - conditioning system that stores cooling capacity in a certain medium in the form of sensible heat and latent heat and can release the cooling capacity when needed.
Among them, the coil - type and encapsulated ice - storage systems are the most commonly used, accounting for more than 80% of the ice - storage air - conditioning system projects.
In summary, the optimization and solutions of the ice - storage air - conditioning system are as follows:
- Using a variable - frequency centrifugal base - load host can effectively improve energy consumption and achieve energy savings.
- The "large - temperature - difference" screw dual - mode ice - storage system can reduce the cooling supply outlet temperature for ice - making to as low as - 6.5℃. The temperature difference from the ice - forming critical point (- 1.5℃) is ΔT = (- 1.5℃ - (- 6.5℃)) = 5℃. This effectively optimizes the ice - forming rate of the ice - storage device, reduces the amount of residual ice, and directly reduces the installation cost.
- Adopting a partial - ice - storage design to optimize the selection of system equipment. The cost and payback period can be adjusted as needed, increasing flexibility.
For the "large - temperature - difference" ice - storage air - conditioning system, schematic diagrams:
Parallel cooling supply, no temperature - difference shunt, increasing the cost of the host:
Series cooling supply, shunting the temperature - difference zone, saving the cost of the host:
Overall advantages of the "large - temperature - difference" ice - storage air - conditioning system:
Parallel cooling supply, no temperature - difference shunt, increasing the cost of the host:
Series cooling supply, shunting the temperature - difference zone, saving the cost of the host:
Overall advantages of the "large - temperature - difference" ice - storage air - conditioning system:
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