The sea test and pilot project of the 4500m manned submersible has been verified

The key technology for the localization of the 4500m manned submersibles is an important task for the deployment and support of the "863 Plan" in the field of marine technology since the end of the "Eleventh Five-Year Plan" period. The goal is to promote the key core of China's manned submersibles. Localization of technology. After many years of hard work, it has overcome many key technologies such as titanium alloy manned-off capsule manufacturing, deep buoyancy material preparation, and deep-sea thrusters, which has made significant progress in China's domestic production of deep-sea core equipment and effectively improved China. Manufacturing capacity, and laid a solid foundation for the further development of technology and equipment manufacturing for deep sea diving.

At present, the 4,500-meter manned submersible has completed assembly and adjustment. It is conducting pool tests for the integration of the various systems of the submarine under the water environment and the actual operation of the submarine. According to the plan, sea trials will be carried out this year. During the “Thirteenth Five-Year Plan” period, the experimental applications of submarine hydrothermal and cold spring areas will be carried out for scientific purposes, which will provide technical support for the development of scientific research in deep sea areas in China.

(Original title: The implementation plan for the “Sea trial and experimental application of 4,500-meter manned submersible” key special project of the national key research and development program “Key technologies and equipment in the deep sea” has been approved)