Shaanxi Drum Technology Air Compressor enters PTA field

Shaanxi Blower (Group) Co., Ltd. recently secured a major 600,000-ton-per-year PTA equipment supply contract with Dongfang Hope Group’s Chongqing Pengwei Petrochemical Company. This milestone marks the official entry of Shaanxi Drum Process Air Compressors into the PTA industry, and it underscores their capability to provide large-scale, localized PTA solutions. This development is a significant step forward in China's efforts to reduce reliance on imported technology and enhance the competitiveness of its petrochemical sector. Since the late 1970s, when China began developing its polyester industry, nearly 20 PTA plants have been constructed across the country. Most of these facilities have relied on foreign patented technologies, which come with high costs and limited flexibility. As a result, production costs have remained high, making domestic products less competitive compared to international alternatives. The push for domestic technology and equipment has become essential for lowering investment costs and improving market competitiveness in the PTA industry. At the heart of any PTA plant is the process air compressor unit, which plays a crucial role in providing air for the paraxylene oxidation reaction and recovering energy. Shaanxi Drum has developed advanced system technologies, including axial compressors, energy recovery turbines, and centrifugal compressors, along with multi-unit set integration. To date, the company has designed and completed nearly 2,000 such units. Over the past decade, Shaanxi Drum has continuously invested in research and development, particularly in axial compressors and energy recovery systems. This effort has led to breakthroughs in aerodynamic design, structural engineering, manufacturing, automation, testing, and installation, bringing their technology to an international standard. Their achievements have earned them the Second Prize for National Scientific and Technological Progress. In the field of centrifugal compressors, Shaanxi Drum has established independent intellectual property rights through integrated R&D and production. They have successfully designed and manufactured specialized centrifugal compressors for various media, including rich gas, synthesis gas, nitrogen oxides, carbon dioxide, recycle gas, natural gas, hydrogen, cracked gas, and more. Additionally, their compressor technology has proven effective in industries like coal chemical processing and air separation. The Pengwei Petrochemical project, part of the 10 key new construction projects under the Western Development initiative in 2007, is expected to produce 600,000 tons of PTA annually upon completion in late 2008. The project will utilize mature domestic process technology, aiming to achieve one of the highest localization rates, lowest investment costs, fastest construction speeds, and most competitive petrochemical projects in the country. This success will significantly contribute to the advancement of local technical equipment and strengthen China’s position in the global petrochemical industry.

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