As the world’s first overhead grain air-film warehouse, there are 4 such warehouses in the Sichuan Xinjin Direct Depot of the Central Reserve Grain, each 36.1 meters high and 23 meters in diameter, and a single warehouse can store 7,500 tons of grain. Calculated based on the consumption of half a catty of food rations per adult per day, one warehouse of grain can meet the annual food rations of 70,000 people.

The white “skin color”, unique “figure”, and the special mission it shoulders make the grain air-film warehouse a new landmark in the local area and successfully selected as one of the “Top Ten Super Projects of Central Enterprises in 2022”.

The construction cost of the grain air-film warehouse is comparable to that of a traditional grain warehouse, but it can achieve low-temperature grain storage, and the operating energy consumption is expected to save more than 30% year-on-year. The air tightness of the grain air-film warehouse exceeds the national standard by 9 times, which means that its thermal insulation performance is excellent.

In the next step, the grain air-film warehouse will be demonstrated and promoted in the grain industry. The experience from 0 to 1 gained by scientific and technological workers in research and development and construction will lay a solid foundation for the countless grain gas-film silos that will be built across the country in the future.

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