With the development of building science and technology, incredible 3D printing construction technology emerged, which greatly reduced the manpower and capital investment of the building. Recently, the technical team of Nanfeng Co., Ltd. cooperated with Professor Wang Huaming of Beijing University of Aeronautics and Astronautics to develop a heavy metal 3D printing technology. It has made breakthroughs in key technologies and succeeded in making physical and chemical properties superior to forgings in the laboratory. Nuclear power components of heavy equipment metal parts.
Heavy metal 3D printing technology is an internationally-adopted new technology for short-flow, green, precise and digital additive manufacturing of heavy-duty metal components. It can be widely applied to millions of kilowatts of nuclear power equipment and millions of kilowatts of supercritical and ultra-supercritical thermal power units. And the manufacture of heavy metal components such as hydropower, petrochemicals, metallurgy, shipbuilding, and other major modern industrial equipment alloy steels.
In the traditional forging process, if a 50-ton nuclear power component is to be produced, at least 180 tons of steel ingot material should be put into an electric arc furnace of 200 tons or more for smelting and casting, and after forging and heat treatment of more than 10,000 tons of machine, many It takes more than 6 months to reach more than a dozen processes. Today, as long as a 3D printer, a high-temperature fused "print" process can see the finished product.
At present, the construction period of nuclear power plants is 60 months. The introduction of additive manufacturing technology to manufacture heavy metal components can be compressed for up to 50 months. In the past, the bottleneck in the development of nuclear power plants was the high cost, and the electricity price was also high. After the compression cycle, electricity prices will be lower than thermal power generation. Nowadays, with the heavy metal 3D printing technology, individual components can be customized according to customer needs, especially some key metal shaped parts in nuclear power equipment, and breakthroughs can also be attempted. This not only greatly reduces the construction cost, but also increases the power generation efficiency of the nuclear power unit.
Nuclear power represents the highest level of industry. If all standards are successfully met, such a new heavy metal 3D printing technology can be used in the manufacturing of other equipment.
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