Ultra-low Temperature Tuna Longliner
The price of tuna is directly related with the freshness, to which the refrigeration system plays an essential role. The conventional temperature for tuna blast freezing is -60℃, the one of tuna cold storage is -55℃.
Traditionally, owners of tuna longliners used piston compressor in the refrigeration solution, which demands experienced operators,easily resulting in bad quality.
With experience in ultra-low temperature and tuna industry, combined MYCOM (Japan) single double-stage screw compressor with domestic auxiliary equipment, Chonson Beyond can offer refrigeration solution with easy and reliable operation, decreasing the labor.
- Compressor:single double-stage screw compressor from Japanese MYCOM;
- Auxiliary equipment (pressure vessel): from domestic top brands;
- Blast freezing shelf: alloy evaporation plates are manufactured based on Japanese mould, which has a high heat transfer coefficient;
- Evaporating coil: is made of 09MnNiD, special material for ultra-low temperature application;
- Ultra-low temperature special thermal expansion valve: from Japanese Sagi Palace;
- Refrigerants: R404A and R507A;
- Pre-assembly: assembly of pipes and cables in the factory, reducing on-site workload;
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Unit structure: with a compact structure, the unit is space-saving and easy maintenance.
Vessel owner: Guangzhou Pelagic Fishing Company
Length: 41.9m
beam: 7.2m
Draught: 3.00m
Main engine: 600.00kw
IMO for 6 vessels: 9873228; 9873230; 9873242; 9917270; 9917282; 9917294
Refrigeration solution: MYCOM ultra-low temperature single double-stage screw compressor units*3 with refrigerant R404A; freezing shelf for blast freezing and coils for cold storage.
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