In order to thoroughly implement the spirit of General Secretary Jinping Xi's speech that the shipping industry should "comply with the new trend of green, low-carbon and intelligent development", further summarize the successful experience of the world's first LNG dual-fuel VLCC, accelerate the formation of a green and low-carbon transportation mode, and provide reference for energy transportation enterprises in the application of green, environmental protection and energy-saving technologies for VLCCs, COSCO SHIPPING Energy organization compiled and printed “The World's First LNG Dual-Fuel VLCC, Ship Yuanruiyang".
As the national team of energy transportation, the main force of "the fleet of a great power" and the leader of green shipping, COSCO SHIPPING Energy actively practices the green development direction of carbon emission reduction in global energy transportation. Over the years, the company has continued to track and study low-carbon fuel technology, and has given full play to its rich experience in the integrated development of LNG industry chain, LNG transportation, LNG ship filling and new energy business development. It has successively carried out the design and research of the world's first LNG dual-fuel super large crude oil ship, the first domestic methanol dual-fuel power VLCC and ammonia power VLCC, and obtained the certificate of principle recognition, and through the promotion and utilization of ship energy-saving technology and the adoption of economic speed and other ways to reduce fuel consumption, actively contributed to the industry to explore the path of green development. With the support and guidance of the Ministry of Industry and Information Technology of the People's Republic of China and COSCO SHIPPING Group, the company, together with Dalian Shipbuilding Industry Co.,Ltd., has completed the construction of the world's first LNG dual-fuel VLCC Ship "Yuanruiyang" on schedule after more than two years of joint efforts. It was delivered and put into operation on February 28, 2022, and completed its maiden voyage safely on May 18.
From the successful construction to the successful completion of its maiden voyage, Ship Yuanruiyang has further verified the progressiveness of COSCO SHIPPING Energy ship's full life cycle green ship management and comprehensive risk assessment management concept. It has not only trained and tempered the company's supervision team, management team and crew team, but also will become a training base for subsequent new energy-saving and green kinetic energy ships. On the basis of accumulated experience and successful practice in the supervision, management and crew training of LNG dual-fuel VLCC ships, the company organized manpower to compile and print the book “The World's First LNG Dual-Fuel VLCC, Ship Yuanruiyang". The six sections of "ship design", "ship supervision and ship receiving", "ship management", "dual-fuel ship system construction", "crew allocation, training and ship shore personnel training" and "experience summary" summarize experience in detail, provide best practices, and show COSCO SHIPPING Energy's belief, attitude and ability to adhere to innovative development and development innovation.
About this book:
The book “The World's First LNG Dual-Fuel VLCC, Ship Yuanruiyang" records in detail the new topics and challenges faced by COSCO SHIPPING Energy in the process of ship research and design, supervision, management, operation and crew training; The experience accumulated by the safety management team through continuous learning, research, innovation and exploration is introduced; Shared the best practices of green ship management and crew training in the whole life cycle; In view of the particularity of the first LNG dual-fuel ship, the integrated solution provided by focusing on "three keys" (key ship personnel and shore personnel, key system equipment, and key operation management) in the comprehensive application of LNG fuel ships is introduced. As a systematic and comprehensive experience summary book, “The World's First LNG Dual-Fuel VLCC, Ship Yuanruiyang" fills the gap in the professional technology and management of LNG dual-fuel ships, the construction, management and personnel training experience of future new energy powered ships.
COSCO SHIPPING Energy will take the successful construction and operation of Ship Yuanruiyang as an opportunity to seriously study and implement new energy shipbuilding projects, industrial chain investment, fuel security, safety management, crew training and other aspects, further improve the operation experience of LNG dual-fuel ships, continue to optimize the safety management system more in line with the operation of green low-carbon ships, and provide guarantee for the research, development, promotion and application of low-carbon fuel ship technology, strengthen cooperation with all parties to jointly promote the high-quality development of the fleet, work together for sustainable development and a green and low-carbon road.
The construction of Ship Yuanruiyang was carried out under the background of the national advocacy of energy conservation and emission reduction and the phased implementation of the energy efficiency index by the International Maritime Organization. It was completed and delivered during the period of the national promulgation of the dual carbon plan. It is an innovation of COSCO SHIPPING Energy in the practical application of LNG and other carbon emission reduction and new energy in VLCC, and has important demonstration significance for the company and the group in the application of new energy in the future fleet.
Ship Yuanruiyang uses LNG as the main fuel, and the propulsion system adopts WINGD low-pressure dual-fuel engine, which is equipped with dual-fuel generator and dual-fuel boiler. The main engine and generator are equipped with LPSCR, the carbon dioxide emission reduction meets the requirements of the third phase of EEDI, and the nitrogen oxide emission meets the requirements of Nox Tier III. The design meets the latest requirements of HCSR, MARPOL, SOLAS, ICLL and other international conventions, provides a list of hazardous substances according to EU regulations, and meets the requirements of CCS intelligent energy efficiency symbol i-Ship(E). The ballast tank and cargo oil tank comply with PSPC standard, which is suitable for loading crude oil with flash point below 60 ℃. It is suitable for unlimited navigation area, unmanned engine room, and the driving, radio, electromechanical and other equipment have reached the contemporary international advanced level.
The gas storage system adopts C-type fuel tank, which is loaded with two 3500m3 C-type LNG fuel tanks. In gas mode, the endurance can reach 12,000 nautical miles. The total endurance of fuel and gas is 24,000 nautical miles. Through excellent hull line design and reasonable application of energy-saving guide wheels, the ship is matched with large-size propellers and has excellent economy.
During the team supervision process, the company organized to study the relevant specifications of LNG dual-fuel powered ships, and was familiar with the construction process and construction drawings of relevant system equipment, so as to ensure that the relevant design, construction, testing, etc. meet the requirements of specifications and supervision specifications. In view of the first contact with LNG dual-fuel ships and equipment, in order to get familiar with the relevant requirements of dual-fuel ships as soon as possible, the company arranged classification societies and dual-fuel manufacturers to train on-site supervisors through on-site or video conferences for many times, so as to improve the understanding and familiarity of dual-fuel equipment, so that the inspection standards and inspection standards are well documented. The technological procedures for the construction, installation and commissioning of dual-fuel gas supply system, cryogenic pipe, double wall pipe, C-type fuel tank, insulation coating material and dual-fuel equipment are mainly studied, and the key monitoring was carried out in the process of workshop test, on-board installation and commissioning and sea trial.
The company actively coordinated various parties to overcome many difficulties caused by the epidemic, and make arrangements and preparations in advance for shore based personnel selection, crew allocation, personnel participation in T11 and T12 and various special training, certificate renewal and limit elimination. In order to timely understand the characteristics of the dual fuel ship and control the ship's state after operation, the marine supervisor, the maintenance supervisor and the electrical supervisor participated in various works since the supervision stage, and participated in the sea trial of fuel oil and gas, as well as the pre-cooling, replacement and filling of gas before the trial voyage, equipment commissioning and other works. It creatively opened the ship management mode of the whole life cycle, successfully completed the ship receiving task of Ship “Yuanruiyang", and provided a guarantee for the safety management after the ship was put into operation.
The company set up a professional system construction team and began to systematically compile LNG fuel management system documents during ship construction. All professionals carefully studied the technical data provided by the shipyard, participated in the process of supervision, trial voyage and filling, understand and mastered the ship structure and parameters, the system, equipment and principle of LNG fuel filling and use in detail, and understood the direction of each pipeline, the control flow direction of each valve, the function and operation process of each automatic button during the gas test. With the joint efforts of the shore based management personnel and the supervision team, the first draft of the document was completed. After that, the validity and suitability of the documents were verified during the sea trial and gas test, and further improved to form a final version, which came into effect on January 30, 2022.
The company planned all experts and resources in a project-based manner, carried out a comprehensive risk assessment, formulated a perfect management procedure and 153 operating instructions, and strengthened the full coverage of institutional processes and strict control of specific risks. In view of the particularity of the first LNG dual-fuel ship, they focused on the key ship personnel and shore personnel, key system equipment and key operation management, strengthened the training and training of key ship shore personnel, strengthened the management of hull structure and key system equipment, and ensured the safety and reliability of key operations.