Marine Seawater Cooling And Refrigeration Systems

Marine Seawater Cooling And Refrigeration Systems

I. Core Parameter Specifications Cooling Capacity Range Commercial Models: 1 HP (approx. 2427W) to 5 HP (12kW+), suitable for marine aquaculture, vessels and fishing operations

1. Industrial Models: e.g. air-cooled twin-screw units with capacities up to hundreds of kilowatts, for large-scale seawater cooling systems

2. Temperature Control Accuracy Aquaculture: ±1°C (e.g., oyster farming requires 10–25°C maintenance)‌

3 4. Marine Aquarium Cooling: ±0.5°C (recommended 24–26°C)‌

5. Corrosion-Resistant Design‌ Evaporator Material: Pure titanium or stainless steel (e.g., Sensen UA-2.8DR model)‌

6 7. Secondary Coolant: Seawater or brine (calcium chloride solution, suitable for -40°C to 5°C)‌

8. Energy Efficiency Standards‌ Complies with GB/T18430.1 and other national standards; certain models achieve a COP (Coefficient of Performance) exceeding 3.5‌ 9 10. II. Operating Principle Heat Pump Technology‌ Utilises a four-component cycle (compressor, condenser, expansion valve, evaporator) to transfer heat via seawater temperature differentials‌ 6 9. Seawater serves as heat source/sink, interacting with refrigerant through heat exchangers to achieve cooling or heating‌ 6. Aquaculture Applications‌ Built-in pump draws seawater → chiller cools → returns to aquaculture tanks, forming closed-loop circulation‌ 3 4. Industrial models handle -30°C brine for seafood rapid freezing.

2. Aquarium cooling process Circulation pump feeds seawater into chiller tank → Compressor cools → Returned to main tank after cooling. 5 7. Recommended temperature differential: 2°C (e.g., start at 28°C, stop at 26°C) to minimise energy consumption. 5. III. Typical Model Comparison Type Application Features Reference Model Seawater heat pump air conditioner Building cooling/heating Energy-efficient, high COP Haier HCQ-185G 1 Industrial chiller Aquaculture/processing Corrosion-resistant titanium tubing, -30°C low-temperature Ferguson marine flake ice machine 11 Commercial Chiller Seafood Holding/Retail 1-5 HP, intelligent temperature control Sensen UA-2.8DR‌ 6 IV. Technical Extensions Reverse Flushing Function‌: Some industrial units support seawater reverse flow for heat exchanger cleaning (e.g., 'Yukun’ vessel system)‌ 12. Environmentally Friendly Refrigerants: R404A/R507 replace traditional R22, reducing ozone layer depletion 8 9. For detailed specifications or installation standards of specific models, please provide further application requirements.

Dongguan Jingchuang Environmental Protection Equipment Co., Ltd. was established in 2012 (the company has Dongguan Chengda Seawater Treatment Equipment Co., Ltd.), located in Dongguan City, Guangdong Province.