A direct evaporative closed external ice-heat pump air conditioning system consists of several key components, including a compressor, a four-way valve, a heat exchanger, an air-cooled fan, a high-pressure receiver, a dryer filter, a liquid electromagnetic three-way valve, multiple expansion valves, one-way valves, a refrigerant-water heat exchanger, a gas-liquid separator, a closed ice storage tank, solenoid valves, and motorized control valves. These elements are integrated into both the outdoor unit and the air conditioning terminal, along with water separators, pressure components, and the overall water circulation system.
The water inside the closed ice storage tank is connected to the water circuit of the refrigerant-water heat exchanger, forming a closed-loop external ice-melting system. This design effectively eliminates issues such as water backflow, reduces the load on electromagnetic valves and electric adjustment systems, and improves overall system efficiency.
Compared to traditional systems, this invention increases the evaporation temperature of the refrigeration cycle by an average of 3 to 5 degrees Celsius, significantly enhancing energy efficiency. The system offers five different cooling modes: using the ice cooler alone, combining the cooler with the ice chiller, and other hybrid cooling methods. This flexibility not only improves performance but also reduces the need for additional heating equipment, leading to lower initial investment and long-term cost savings. The system is designed for optimal performance in both cooling and heating applications, making it a versatile and efficient solution for modern air conditioning needs.
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