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        On 8^th Dec, 2022, self-designed by us and built for Qingdao Port, China-First ASD tugboat with Hybrid propulsion and Smart notation, which is named “QING GANG TUO 1”, has been delivered.

        The vessel is designed by diesel and electric propulsion modes. Li-battery and generators are mixed as hybrid power. Li-battery group can be charged fully around 2.5h through shore power system and be charged by diesel engine abundant power. During free sailing and operation, three modes can be exchanged freely in pure-electric, diesel engine and hybrid propulsion. In battery mode, it can achieve zero fuel consumption and emission. Through calculation, 227 tons fuel oil can be saved per vessel one year, equal to over 1.5 million RMB, reducing CO2 emission of over 700 tons.

        The vessel is registered in CCS with notation of AUT-0, Hybrid, i-Ship (N, M, E, I) and its additional marking. 12,568 sensors are installed on board, among them, 4,216 data and 6 sets of AI modeling system and more personalized demand smart devices shown in intelligent system. The ship intelligence system can analyze the signals of Marine communication equipment in real time and evaluate the collision risk (CRI). Analyze and evaluate the operating status and health status of the equipment in the engine room, and provide auxiliary decision-making for ship operation and maintenance. The energy consumption of the main engine and Li-battery is monitored and analyzed in real time to provide energy consumption data support for the optimal navigation plan. Data of intelligent navigation, intelligent engine room and intelligent energy efficiency management system will be collected to form a unified integrated platform of on-board data and applications, so as to realize the comprehensive monitoring and intelligent management of the ship both at ship terminal and shore-based.

        The vessel has length of 39m, breadth of 11.5m, depth of 5.3m, main engine power of 2×1912kW, Li-battery capacity of 2760kWh, driven E-motor power of 2×600kW, under mode of diesel engine, BP ahead of 61.3t, BP astern of 57.7t; under mode of driven E-motor, BP ahead of 25t, BP astern of 23t, max. speed of 11.41kn and endurance of over 2.5h with 10Kn speed.

        The design and construction of the vessel will effectively solve the problems of low energy efficiency, high fuel consumption and high emission of diesel engine existed in traditional tugboats during sailing and operation, and will promote the complete transformation of the operation mode of traditional port tugboats. It is a landmark product of epoch-making significance for the green development of the port industry. It is also the representative product of Zhenjiang Shipyard to upgrade the green, environmental protection and low-carbon technology of the National single event champion product in aspect of multi-functional ASD tugboat.