During the "Eleventh Five-Year Plan" period, China's chemical industry will drive significant demand for technical equipment, creating substantial market opportunities for large-scale air separation systems and various types of compressors. As the country continues to expand its refining and petrochemical infrastructure, the need for advanced machinery is expected to grow steadily.
In the coming years, China will focus on upgrading and expanding nearly 20 million-ton refining bases while accelerating the development of several large-scale ethylene projects. This will lead to an increasing demand for medium- and large-scale air separation units. While mid-sized units with capacities between 6,000 to 10,000 Nm³/h remain in high demand, newly constructed integrated oil refining and chemical complexes will require larger air separation systems with capacities of 40,000 Nm³/h or more. It is estimated that during the "Eleventh Five-Year Plan," the petrochemical sector will need around 40 mid-sized and 10 large air separation units.
Regarding compressors, China currently has approximately 1,900 fertilizer plants. For a nitrogen fertilizer plant producing 300,000 tons annually, about five centrifugal compressors are typically required per unit. By 2007, around 240 such compressors are expected to be used in synthesis gas, ammonia, natural gas, and carbon dioxide processes. Additionally, new facilities with a capacity of 600,000 tons are under development. For a 300,000-ton ethylene plant, three centrifugal compressors are typically installed per unit, leading to an estimated demand for 60 compressors by 2007.
With the nationwide push for coal gasification, large and medium-sized cities are expected to achieve a gasification rate of 85% by 2007. This will require new gas installations capable of processing 30 million cubic meters of gas daily. Assuming a standard of 500,000 cubic meters per day, each installation would need one compressor, totaling around 70 units. Moreover, additional compressors will be needed for coal deep processing, bringing the total expected number to approximately 130 units.
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