Fushun Petrochemical Company's 10million-tonne oil refinery and 1million-ton ethylene project air separation and air-pressure plant has successfully lifted the nitrogen fractionation tower once. The tower has an aluminum structure as a whole, and its vertical requirement error is less than one thousandth. The device adopts the largest single high-purity nitrogen system in the country, with a nitrogen supply capacity of 18,000 standard cubic meters per hour, and the energy-saving effect of the pressurization process is also ahead of the domestic similar devices.
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