The world’s first special valve developed by Aerospace 11 has super corrosion resistance

The world’s first special valve developed by Aerospace 11 has super corrosion resistance

Recently, the special valve developed for Shenhua Group by the 11th Institute of the Sixth Institute of China Aerospace Science and Technology Corporation passed the acceptance inspection and became the world’s most valve that can be used under the extreme working condition of 160 degrees in strong acid media. Its technology has reached the international level.

This valve is used in the industrial system for extracting alumina from fly ash. This system requires the use of a large number of valves to control the acidic fluid medium. The valves are required to have high resistance to high-temperature hydrochloric acid corrosion and erosion resistance. This is a global problem and has always restricted the development of the industrial production system for acid extraction of alumina.

In recent years, 11 institutes of the Sixth Academy have focused on the field of valves and achieved several advanced technological breakthroughs. During the Tiangong-2 and Shenzhou-11 manned missions, the Beijing 11th Institute of the Sixth Academy of China Aerospace Science and Technology Corporation undertook the task of developing key products such as pumps and valves for the thermal control and environmental control subsystems, realizing thermal control and environmental control. Drive, control and regulate functions of the fluid circuit.

Through technical research this time, 11 institutes of the Sixth Academy have conquered key technologies such as high-temperature pinch valves for fly ash extraction alumina process systems. It is understood that pinch valves have certain advantages in transporting solids and liquids containing particles, powders, fibers, slurries and other abrasive and corrosive substances.

They are widely used in the mining and metal industry, mineral processing industry, pulp and paper industry, and chemicals. It has broad application prospects in the processing industry, energy industry and other fields. The successful development of this valve will lay a solid foundation for solving the demand for control valves of various specifications and uses in the industrial system for extracting alumina from fly ash and for industrial production.