High-purity hydrogen carbon monoxide catalyst became guardian of "Shenzhou 7"
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A very important condition for the safe launch and landing of Shenzhou spacecraft is weather protection. The release of hydrogen balloons carrying radiosondes is a classic method for collecting high air image data. In the past, the hydrogen used in balloons was usually made using chemical methods. The purity of the produced hydrogen was not high, and the hydrogen balloon could only reach an altitude of 18,000 meters, which affected the collection of meteorological data.
Seventy-eight scientific and technical personnel have accumulated decades of experience and successfully developed vehicle-mounted and ground-based fixed water electrolysis hydrogen plants and are equipped at more than 200 meteorological sites nationwide. The high-purity hydrogen gas produced in the balloon can be put to the altitude of more than 30,000 meters to collect meteorological data, ensuring the safety of the launch and landing of the Shenzhou-1 spacecraft to the Shenzhou-6 spacecraft. The recent renewed dispatch of troops by the July 18th Force will maintain the equipment of the relevant meteorological site and ensure that the Shenzhou VII spacecraft is perfectly safe during launch and recovery.
During the launch and operation of the spacecraft, carbon monoxide is produced in the cabin. Once the concentration exceeds the standard, the life safety of astronauts will be endangered. This requires the elimination of carbon monoxide catalysts with high resistance to toxicity, high moisture resistance, and long lifespan. In 1981, a lot of experience was accumulated in the technology of eliminating harmful gases in the confined cabins. A Beijing institute responsible for the “Shenzhou†life support and protection system was compared by many parties and it was considered that the carbon monoxide removal catalyst developed by the 718 had good performance and strong applicability. , The product won the bid in one fell swoop.
Since the product is used on a manned spaceship, the requirements of the indicators are much higher than those of other similar products, and the quantity is very small. There is almost no profit at all. However, the 1981 focus on winning the glory for the country and working hard to develop high-quality products in a short period of time ensured the flight safety of the “Shenzhou Sevenâ€.
The astronaut's walking out of the cabin is an important task for the "Shenzhou 7". The elimination of the carbon monoxide catalyst at the "Seven Eighteen" is also used in space suits worn by astronauts. The space suit outside the cabin is itself a small aircraft. It is an independent life support system, and the conditions required in some aspects are even higher. Based on the existing technology, the sci-tech personnel at the 718th Institute further improved the elimination of the carbon monoxide catalyst, satisfies the higher technical requirements and ensured the safety of the astronauts out of the cabin.
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