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The market prospect of hydraulic equipment is broad

2022-08-24 15:26:05

The skills of central enterprises will be improved. A few days ago, the first 2500 kilojoule hydraulic pile hammer with completely independent intellectual property rights in China passed the third party judgment of Det Norske Veritas after completing the first demonstration of all foundation pile sinking operations. This marks the successful development of domestic standard offshore hydraulic pile hammer and the formal installation of offshore engineering construction equipment.

This is a major event that attracts the attention of the global sea power industry. The successful development of the domestic 2500 kilojoule hydraulic pile hammer has broken the foreign monopoly on the long-term skills and market of large-scale offshore hydraulic pile hammer, and has occupied the commanding height of the skills with the self-developed cylinder valve integrated driving skills, which is of milestone significance for further improving China's marine industrial equipment and marine resource development capabilities.

As a clean power, wind energy has played an important role in adjusting the power structure and protecting the environment. In recent years, China's wind power industry, especially the sea power industry, has developed rapidly. According to the 13th Five Year Plan for Renewable Power Development, by 2020, Haiyouyoudian will start construction of 10 million kilowatts and ensure the completion of 5 million kilowatts, with a very broad market prospect.


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To develop sea power, the equipment must be first. The key link in the construction of Haiyou Power's generator unit is the implantation of nearly 1000 tons of all steel pipe foundation piles into the seabed. To achieve this, it is necessary to equip large pile hammers for construction. However, as the main equipment for the development and construction of marine resources at present, the global offshore hydraulic pile hammer has been monopolized by two European companies for a long time, and its skills are limited by others. The high equipment price has also greatly increased the cost of wind power generation.

In order to completely solve this problem, China Machinery Forging Co., Ltd., a subsidiary of Beijing Mechanical and Electrical Research Institute Group, and Longyuan Zhenhua Marine Engineering Co., Ltd., a subsidiary of CCCC Group and National Power Group, came together.

These two enterprises are respectively the leading enterprises in forging technology and offshore engineering construction. Centering on the requirements of new power, new materials and new processes, CMIC Forging focuses on high-end equipment such as offshore hydraulic pile hammer and hydraulic press deep-sea hydraulic hammer. Longyuan Zhenhua has successively participated in the construction of 15 large marine dominant sites, with a construction capacity of more than 3 million kilowatts, and its construction performance ranks among the top in the country.

The joint task promoted the two sides to find an intersection in the innovation of offshore hydraulic pile hammer. When they combine their respective skills in the field, a collaborative and innovative "chemical reaction" takes place.

Zhang Changlong, the general manager of CNPCI Forging, told the reporter that the development of domestic large-scale hydraulic pile hammer mainly faced three major problems: first, large energy hydraulic system drive; Second, energy control of large flow hydraulic drive system; The third is the long-term high reliability of the pile hammer part structure under the 10000 ton gravity strike.

Through hard work, the development unit solved the above problems. In 2018, the first 2500 kilojoule large hydraulic pile hammer independently developed in China went off the production line and entered the experimental period. The new products incorporate many innovative key skills, such as cylinder valve integrated power drive, firm connection of hammer and rod, positive pressure seal of hydraulic hammer, modular power structure, super large plate type replacement forging, three-dimensional safety monitoring, etc. In the following year, the pile hammer has withstood various sea conditions, geological conditions and pile types, and its performance parameters may be close to the international advanced level. At the end of 2019, the hydraulic pile hammer was formally installed in offshore wind power construction equipment.

The price of this 2500 kilojoule hydraulic pile hammer with completely independent intellectual property rights is only half of that of similar foreign products, and the market prospect is very broad. At present, the research and development unit is taking this as the key, focusing on the production and support of large-scale hydraulic piling hammers that constitute a series of offshore operations, and continuing to provide support for the strategy of building a strong marine country and the construction of the "the Belt and Road".

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