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Lifting marine aquaculture cages

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Lifting aquaculture cage installed offshore

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Lifting-type Deep-sea Culture Cage | LESSO · LESSO

Lifting marine aquaculture cage

HDPE floating structures use guardrails, working walkways and an anchored framework. Cage size and mooring must be selected through site-specific engineering.

Lifting marine aquaculture cageLifting marine aquaculture cageLifting marine aquaculture cageLifting marine aquaculture cageLifting marine aquaculture cage

Technical specifications

Parameter / modelValue / size
Cage size27 × 27 × 15 m
Spud leg length45 m
Diving depth8 m
Effective aquaculture space10935 m³
Suitable water depth25–32 m
Typhoon resistance class16
Wave height8 m

Second-generation lifting cage — Zhannong No.1

The second generation uses a modular pin connection, lighter structural members and a lifting system for typhoon and red-tide avoidance. The cage can be raised for net inspection, drying, harvesting and maintenance. Zoned cultivation, double-layer netting, intelligent feeders and IoT monitoring support operation. The 2026 brochure records that Zhannong No.1 withstood Typhoon Yagi at level 17; this project record is distinct from the general level-16 design description.

Second-generation lifting cage — Zhannong No.1Second-generation lifting cage — Zhannong No.1Second-generation lifting cage — Zhannong No.1Second-generation lifting cage — Zhannong No.1Second-generation lifting cage — Zhannong No.1Second-generation lifting cage — Zhannong No.1Second-generation lifting cage — Zhannong No.1
Aquaculture water volume62,000 m³
Platform dimensions90 × 60 × 12 m
Number of cages6
Modular groups3 × 2

2024 lifting cage modular combinations

DimensionsEffective culture volume
27 × 27 × 15 m10,935 m³
54 × 27 × 15 m21,870 m³
54 × 54 × 15 m43,740 m³

Frame steel: 190 / 285 / 570 t. Spud-leg steel: 200 / 300 / 400 t for one / two / four cage modules respectively.

Lifting speed: 16 m/h. The cage descends 8 m in approximately 30 minutes. Two or four equal cages can share a lifting system.

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