Research on Marine carrier equipment technology and industrial development

3. Overall design and final assembly manufacturing

According to Clarkson database statistics (see Table 1), from 2014 to 2019, among the ships with design information in the world, the share of ships designed by Chinese ship design institutions accounted for about 30% to 35%, Japan accounted for about 20% to 25%, South Korea accounted for about 10% to 20%, and Europe accounted for about 10% to 15%. Specifically, in terms of ship design, Chinese and Japanese ship design institutions focus on the design of bulk carriers, Korean design institutions are more involved in the design of liquefied gas vessels, and European design institutions are focused on the design of luxury cruise ships. From the perspective of technical content, European countries occupy a dominant or monopoly position in the design of high-end ships (such as large cruise ships, ice vessels, deep-sea mining vessels, liquefied natural gas (LNG) carriers, nuclear-powered surface vessels, deep-sea fishing and processing vessels, etc.), and occupy a leading position in the design and development of green and intelligent ships; Japan has advantages in the optimization and weight reduction design of the three main ship types, focusing on the development of new concepts, green and intelligent ship design technology.

The global ship assembly manufacturing market presents a three-way pattern of China, South Korea and Japan. Since the global financial crisis in 2008, China and South Korea have been engaged in fierce competition for the main market share of global ship final assembly manufacturing. Japan has adopted a cautious industrial development strategy, and its global ship final assembly manufacturing market share has increased compared with China and South Korea. In terms of final assembly and construction technology, Japan and South Korea represent the current world advanced level, using the design-evaluation - manufacturing integrated information system, and gradually improve the level of process intelligence; The average production efficiency of ship assembly and construction in Japan and South Korea is more than 2 times higher than that of Chinese shipyards.

4. Information and communication navigation

The main competition pattern of the world's ship communication and navigation equipment is composed of Europe, the United States and Japan, and the mainstream ocean transport ships are mostly equipped with European and American integrated systems. These ship communication navigation equipment manufacturers have a perfect global service network, monopolizing the global communication navigation product market. At the same time, foreign enterprises attach importance to the integration, standardization and intelligence of data resources of information and communication navigation equipment and its upstream and downstream products.

5. Power and supporting electromechanical field

The world high-end diesel engine market is almost monopolized by developed countries. According to brand share statistics in Clarkson database, German Man Group has more than 80% of the global low-speed diesel engine market share; Wartsila of Finland, Caterpillar of the United States, Hyundai Group of South Korea, Daihatsu Industrial Co., Ltd. of Japan, and Yanma Co., Ltd. of Japan account for more than 90% of the global market share of medium-speed diesel engines. In the field of Marine nuclear power, the United States and Russia are typical representatives, with advanced research and development systems and industrial systems, forming a complete lineage of Marine nuclear power equipment. In terms of Marine special propulsion equipment, foreign countries have also formed high-power, standardized and serialized products to meet the market needs of various types of ships. At the same time, foreign enterprises also occupy a dominant position in the field of ship auxiliary machinery such as deck machinery and cabin machinery.

(2) Advanced cutting-edge technologies for the world's Marine transport equipment

1. Current advanced technology

(1) The application of LNG fuel technology in ocean-going ships

For some time to come, the main alternative fuel for ships is LNG. Natural gas reserves are large, and with the continuous construction of infrastructure, natural gas is becoming more and more available. At present, among the existing LNG fuel ships, ferries and offshore ships account for the majority, and the proportion of container ships, oil tankers and chemical tankers is catching up, such as the international development and design of 20,000 TEU LNG powered container ships has made great progress.

(2) Solar and wind energy technologies for large ships

The shipping industry is exploring the application of renewable energy to power the fleet, and the relevant technologies have entered the trial and testing phase. For example, Dalian Shipbuilding Industry Group Co., Ltd. built the world's first 3.08× 105 DWT ultra-large crude oil vessel equipped with sail equipment for China Merchants Energy Transportation Co., LTD., which has been delivered and put into operation and completed several voyage tasks. The most potential application direction in the future is to reduce fuel consumption as a supplement to existing energy sources.