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In a variety of ships, Marine Accessories in order to ensure its navigation performance and performance, need a lot to meet a variety of different needs of mechanical equipment and electrical equipment. Marine Accessories In the ship machinery and equipment, the pump is a large number, Marine Accessories variety and the role of important mechanical equipment. Marine Accessories Often, we refer to the pumps used on ships as well as the port pumps serving ships as a marine pump.
In order to ensure the normal sailing or mooring of the ship, to meet the needs of the crew and passengers, to ensure the stability of the ship, anti-settling, living, Marine Accessories security, vitality and the completion of certain special missions, need to have a certain number, Marine Accessories The corresponding role of the marine pump. These pumps are not only installed in the ship's power plant, Marine Accessories cargo handling, life service safety and other special systems, but also in some ship auxiliary equipment. According to incomplete statistics.
In all kinds of ship auxiliary machinery and equipment, Marine Accessories the total number of various types and different uses of marine pumps, accounting for about 20% to 30% of the total ship machinery and equipment. The total power consumed by the marine pump is about 5% to 15% of the total energy consumption of the ship, depending on the ship's performance, function and equipment configuration. Marine Accessories In addition, the price of marine pumps in the ship equipment costs accounted for the proportion is relatively large. In the total cost, the marine pump accounts for about 4% to 8% of the cost of the whole ship. Under normal circumstances, Marine Accessories a medium-sized ship of marine pump procurement up to 10 million yuan.
Due to the unique independence of the ship and its reasons in navigational capacity, carrying capacity, Marine Accessories work performance, safety performance and size and weight requirements, it is necessary to propose some special technical requirements for marine pumps other than other pumps and land pumps. Marine Accessories These special requirements are usually referred to as marine conditions.
It is because of these marine conditions, making the marine pump in the parameter selection, structural design, manufacturing, Marine Accessories material selection, Marine Accessories test methods and acceptance criteria and the use of conditions such as a certain degree of particularity. Marine Accessories If the main points of which the specific, Marine Accessories can be roughly summarized as the following main aspects:
(1) reliable operating performance, no cavitation damage problem.
(2) lower operating vibration and good vibration resistance.
(3) the smallest mechanical noise and liquid noise.
(4) small size, light weight, occupy a smaller space.
(5) to ensure normal operation in the case of tilt and swing.
(6) has sufficient impact resistance.
(7) good corrosion resistance and abrasion resistance.
(8) Reliable sealing structure and sealing performance.
(9) easy disassembly and no special tools.
(10) high degree of generalization and so on.
The development of shipbuilding industry is a microcosm of the development of national economy and the improvement of national science and technology. With the development of China's shipbuilding industry, China's marine pump, whether in scientific research, design, Marine Accessories production and technological level have been constantly developed, improved and improving. In addition to the full absorption and utilization of other pump industry design experience, Marine Accessories production technology and scientific research, Marine Accessories but also because of the marine pump conditions in more than 40 years carried out uninterrupted research work and the results obtained in the design and production The successful application and promotion in practice.
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