**Ship fuel hose: a key link for offshore energy transmission** **1、 The importance of ship fuel hoses** On the vast and boundless ocean, ships serve as the link between continents, carrying the heavy responsibility of transporting goods and personnel. In this vast shipping system, the importance of fuel hoses as key components of ship power systems is self-evident. The fuel hose is responsible for transporting fuel from the storage compartment to the engine, ensuring that the vessel can sail continuously and stably. Once there is a problem with the fuel hose, it not only affects the normal operation of the ship, but may also cause safety accidents, posing a huge threat to personnel and cargo. Therefore, choosing high-quality and reliable fuel hoses is of great significance for ensuring ship safety and improving navigation efficiency. **2、 Structure and Material of Ship Fuel Hose** Ship fuel hoses are usually composed of three parts: an inner rubber layer, a reinforcement layer, and an outer rubber layer. The inner rubber layer directly contacts the fuel and requires good oil resistance, corrosion resistance, and wear resistance; The reinforcement layer is responsible for the main pressure bearing task of the hose, usually woven from steel wire or fiber to enhance the strength and compressive capacity of the hose; The outer adhesive layer plays a protective role, preventing the hose from being eroded by the external environment. In terms of material selection, ship fuel hoses need to meet special environmental requirements such as high temperature, high pressure, and corrosion resistance, and are usually made of high-performance materials such as synthetic rubber and fluororubber. **3、 Application scenarios of ship fuel hoses** Ship fuel hoses are widely used in various types of ships, including cargo ships, passenger ships, oil tankers, etc. In cargo ships and passenger ships, fuel hoses are responsible for transporting fuel from storage tanks to the main and auxiliary engines, providing power for the vessel. In oil tankers, fuel hoses play a crucial role. They not only need to withstand high-pressure and high-temperature fuel transportation tasks, but also need to have high sealing and corrosion resistance to ensure that fuel does not leak during transportation and protect the marine environment from pollution. **4、 Maintenance and upkeep of ship fuel hoses** Regular maintenance and upkeep are crucial to ensure the long-term stable operation of ship fuel hoses. Firstly, the appearance and internal condition of the hose should be regularly inspected to promptly detect and address issues such as wear and aging. Secondly, the hose should be cleaned and replaced regularly to prevent impurities and sediment in the fuel from clogging the hose. In addition, it is necessary to strengthen the inspection and maintenance of the hose connection parts to ensure a tight and leak free connection. Through scientific maintenance and upkeep, the service life of fuel hoses can be extended, and the safety and economy of ships can be improved. **5、 The development trend of ship fuel hoses** With the rapid development of the shipping industry and the increasing demand for environmental protection, ship fuel hoses are developing towards high performance, environmental protection, and intelligence. On the one hand, the application of new materials enables fuel hoses to have better oil resistance, corrosion resistance, and high temperature resistance; On the other hand, the introduction of intelligent monitoring technology enables real-time monitoring and early warning of the status of fuel hoses, greatly reducing the risk of safety accidents. In the future, with the continuous advancement and innovation of technology, ship fuel hoses will play a more important role in ensuring shipping safety and promoting green development. ​ ​