In November 2022, SBW Group Co., Ltd. successfully won the contract for a shielded main pump backup pump of the "Guohe No. 11" demonstration project. So far, SBW Group has nearly 50 shielded main pumps, with a cumulative contract amount of nearly 20 billion yuan. After 16 years of research and development, SBW Group finally launched the CAP1400 shielded main pump, which not only seizes the commanding heights of the world for China's nuclear pump industry, but also opens up a broader market - the annual nuclear power market of 20 billion yuan, helping enterprises leap to a new height of development.
Mission: Localization of key equipment on the nuclear island
Because it can replace coal on a large scale and provide stable and reliable clean energy for the power system, thereby improving the energy structure and responding to climate change, nuclear power has always been a "pearl" in the energy industry that has attracted much attention. And in nuclear power plants, the nuclear main pump is called the "heart" device. In the past 40 years of nuclear power development, China has continuously carried out localization, but due to the high safety level and technical difficulty of the nuclear main pump, it has become the only key equipment in the main equipment of the nuclear island that has not been domesticated. The development of nuclear main pump technology and products with independent intellectual property rights has become one of the national development strategies.
In February 2007, after strict assessment, the National Development and Reform Commission identified SBW Group as the main research and formulation point enterprise of nuclear main pump, and was jointly responsible for the technical introduction, digestion and absorption of nuclear main pump and the research and development of main pump localization with Harbin Power Station Equipment Group Company.
The nuclear main pump of SBW Group independently developed and started from the introduction, digestion and absorption of AP1000 (passive pressurized water reactor nuclear power technology), which is the third-generation nuclear power technology introduced by the United States in China. Starting from 2008, after 10 years of introduction, digestion and absorption, SBW Group completed the design, manufacture and assembly test of AP2018 shielded main pump in 1000, marking the completion of the digestion and absorption task of AP1000 shielded main pump in China. Shengu Group became the second enterprise after EMD in the United States to be able to design, process and manufacture third-generation nuclear power technology shielded main pumps by itself.
In May 2009, SBW Group started the pre-research of CAP5 (also known as "Guohe No. 1400") shielded main pump, which is the main pump for large-scale advanced pressurized water reactor nuclear power plants independently developed by China. In March 2011, the main parameters were determined; In November 3, the breakthrough of hydraulic model was completed; In January 2012, the design of shielded main pump was completed; In October 11, the prototype manufacturing was completed; In November 2013, the prototype of the main pump successfully completed the engineering and durability test, and the research and development of the shielded main pump of "Guohe No. 1" was successful.
Breakthrough: More than 100 core technologies have realized the independent and controllable nuclear main pump
From 2009 to 2020, after 11 years of hard work, in the process of developing the CAP1400 shielded main pump, SBW Group is committed to management innovation and technological innovation, (Continued from version 3, CAP1 shielded main pump: a big country that seizes the highland of the nuclear industry) has overcome more than 1400 key technical problems in hydraulics, mechanics, materials, processing, testing, testing, etc., to achieve independent and controllable nuclear main pumps, thus entering the world's first square of nuclear pump development.
In July 2021, the prototype of the CAP7 shielded main pump developed by SBW Group passed the industry appraisal meeting organized by the China Machinery Industry Federation. The appraisal opinion is: advanced design concept, reasonable structure, appropriate material selection, excellent manufacturing technology, independent intellectual property rights, the largest shielded motor main pump of the same kind in the world, the main technical indicators have reached the international advanced level, and can be used in the "Guohe No. 1400" demonstration project and subsequent nuclear power projects.
"Guohe No. 16" is one of China's <> major science and technology projects, is the most advanced third-generation passive nuclear power technology that has achieved independent and controllable large-scale construction in China, and is the latest achievement of China's nuclear power technology research and development and industrial innovation. At present, the "Guohe No. <>" industrial chain has formed a prototype, and China has realized the nuclear power industry from the second generation to the third generation, ranking among the world's advanced nuclear power countries. Pursuing the footsteps of "Guohe No. <>" and providing heavy weapons for major countries, the Shengu Group, will usher in another "harvest season".
Shenyang Daily, Shen News all-media reporter Liu Guodong