Cast Iron Vertical
Cast Iron Vertical
Maximum vertical extrusion press extrusion first team thick seamless steel pipe
China North Industries Group North Heavy Industry Corporation in the construction of 36,000 tons of vertical extrusion machine after nearly three years of construction, the recent success of the first root out of the thick-walled seamless steel pipe passing, marking the subject of world attention in the 360 works are hot debugged.
360 project, full name, "36,000 tons of large diameter thick black vertical extrusion seamless steel pipe project," which is the world's largest, China's first initiative in the production line.
Industry experts said that 36,000 tons of vertical extrusion press forging equipment broke the traditional design concepts and methods, to achieve the technological breakthroughs in many areas: First, use of prestressed steel wire wound structure and improve the main bearing press frame, the main working cylinder other major components of the fatigue life of bearing. Second, joint structure using prestressed Hom, control parts unit weight, reduce manufacturing, transportation difficulties. Third, are used in the transmission, to enhance device stability. Fourth, use of mature 42MPA large flow pumps, direct drive, drive simple and reliable, easy maintenance. Use of mineral oil hydraulic media, in order to facilitate advanced pump, valve technology. The technology can improve reliability frame, reducing the quality requirements of large castings and reduce manufacturing cost, effective solution to transport problems.
Earlier, the United States Wieman? Gordon company, Mannesmann, Germany and other foreign companies a virtual monopoly companies in the world all the high-temperature high-pressure forming thick material.
Related reports indicate that China's current 600 thousand kilowatts or more supercritical, ultra supercritical thermal power generation equipment essential for high temperature high pressure large diameter special steel, more than 90% dependent on imports. Expected "during" and even quite a long time, China's power generation equipment manufacturing industry each year about 10 million tons of such steel. Therefore, the 360 production line project completion, the generator real significance domestically, but also for nuclear power, wind power, petroleum, aerospace, military and other high-end materials, the industry laid the basis of independent development.
360 project put into operation not only for China's nuclear power equipment and 60 million kw thermal power generation equipment to provide adequate equipment quality, thus breaking the long-term dependence on imports of the unfavorable situation, to promote China's large diameter special steel manufacturing technology by leaps and bounds is important economic and social significance, but also will become the North Heavy Industry and the China North Industries Group Corporation to achieve scientific development of new economic growth point.
360 construction project, connecting the Tsinghua University, the North Heavy Industry Corporation, China Metallurgical Beijing, China Metallurgical Jingtang, too Group, and "National" institutions and business groups have formed not only the Party, Party B and the relationship between 360 is a common pursuit of a successful and harmonious team, win the group. 360 construction project, a collection of Tsinghua University, the Western emphasis, too, Beijing Iron and Steel Design Institute of Chongqing Iron and Steel Design Institute and other universities, design institutes and enterprises of the technology to have a reliable guarantee for project construction.
360 project is now completed the first phase, target thick-walled steel pipe 50,000 tons extrusion, sales income 2.5 billion. Since then, improved technology to fully capture the market, based on 360 projects launched the second phase, when the thick-walled steel pipe 125,000 tons to achieve compression, the sales income of 5.0 billion.
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