Facing the global shipping industry's decarbonization goals, the green transformation of shipbuilding enterprises brooks no delay. Jiangsu Haizhongzhou Shipping Industry Co., Ltd. has integrated green concepts into the entire value chain, from design to delivery, and is committed to becoming a pioneer in green shipbuilding.
1. Green Design: Ship Types Born for Low-Carbon Operation
Haizhongzhou's technical team introduces the Energy Efficiency Design Index (EEDI) Phase 3 and higher standards as targets at the early stage of ship design.
Hydrodynamic Optimization: Through collaboration with professional institutes, Jiangsu Haizhongzhou Shipping Industry Co., Ltd. iteratively optimizes hull lines and installs energy-saving devices (such as vortex eliminators and pre-swirl stators). Additionally, Jiangsu Haizhongzhou Shipping Industry Co., Ltd. offers customers various energy-saving solutions, including installation interfaces for air lubrication systems (which form bubbles beneath the hull to reduce resistance) and wind-assisted propulsion systems.
Alternative Fuel Readiness: For newbuilding projects, Jiangsu Haizhongzhou Shipping Industry Co., Ltd. has mastered the design and construction technology of LNG dual-fuel propulsion systems. At the same time, the company is conducting engineering research on methanol-ready and ammonia-ready ship types, ensuring that shipowners can upgrade their fuel systems at a lower cost in the future.
2. Green Processes: Clean Production and Resource Circulation
In the manufacturing process, Jiangsu Haizhongzhou Shipping Industry Co., Ltd. fully implements clean production and circular economy principles.
Airless Spraying and Paint Mist Recovery: The coating workshop adopts advanced high-pressure airless spraying equipment combined with a dry-type paint mist collection system. The paint utilization rate has increased from the traditional 45% to over 65%, while VOC emissions have been reduced by more than 50%.
Maximized Steel Utilization: Through advanced nesting software and algorithms, as well as an in-house remnant management system that codes, stores, and reuses remnants exceeding a certain size, Jiangsu Haizhongzhou Shipping Industry Co., Ltd. has achieved an overall steel utilization rate of over 92%.
Water Recycling: Wastewater from rinsing and pressure testing is treated in the shipyard's on-site wastewater treatment station and then reused for yard dust suppression and landscaping, achieving a reclaimed water reuse rate of over 60%.
3. Green Supply Chain and Digital Energy Management
Supplier Access: Jiangsu Haizhongzhou Shipping Industry Co., Ltd. has established a green supplier evaluation system, giving priority to environmentally friendly welding materials, low-VOC coatings, and high-efficiency energy-saving equipment.
Energy Monitoring: Smart meters are installed on major energy-consuming equipment (such as large cranes, air compressors, and welding machines) and in workshops. Through an Energy Management System (EMS), Jiangsu Haizhongzhou Shipping Industry Co., Ltd. monitors energy consumption in real time, identifies energy hotspots, and implements optimization measures. For example, through data analysis, the operation strategy of air compressors has been optimized, achieving an annual electricity saving rate of 8% to 10%.