【Major Industrial Equipment in the Chemical Industry】131 – Mobile factory for manufacturing China’s first 2,270-ton slurry bed reactor
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Happy May Day! Reply reward! ---------------------------------------------- The past decade has been a period of rapid development in China’s chemical industry, marked by the emergence of many new processes, products, and equipment. There has also been significant progress in China’s chemical processing equipment, which has contributed to the swift advancement of the petrochemical sector. Here, we have compiled some of the achievements and breakthroughs made by Chinese equipment manufacturers in terms of larger-scale production and greater use of domestic equipment. We invite everyone to share their insights and engage in discussions, to cheer for Made in China and to support the development of chemical processing equipment! *********************************** In 2019, China National Heavy Machinery Corporation completed the on-site welding of three 2,270-ton slurry-bed forge-welded hydrogenation reactors at Maoming Petrochemical. With a height of 62 meters, a diameter of 5 meters, and a weight of 2,270 tons each, these reactors were not only China’s first set of slurry-bed reactors but also the largest forge-welded hydrogenation reactors to have been assembled on-site to date. This achievement demonstrates that China’s technology for manufacturing ultra-large-scale petrochemical equipment on-site is once again at the international forefront
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Rolling, groove preparation, transportation, welding, flaw detection, heat treatment, lifting, materials
China National Heavy Machinery Corporation completed the on-site welding of the world’s largest forged and welded hydrogenation reactor. According to reports from our newspaper (reporter Shao Yingming, correspondent Yao Jianping), recently, the three 2,270-ton forged and welded slurry bed reactors for Sinopec Maoming Petrochemical’s plant with an annual production capacity of 2.6 million tons of residue oil hydrogenation were welded on site, lifted into place, and successfully delivered to the client. This marks once again the leadership of our country’s on-site manufacturing technology for ultra-large-tonnage petrochemical equipment at the international level, demonstrating the strength of its ‘major national machinery’. It is understood that China National Heavy Machinery Nuclear Power & Petrochemical Corporation, thanks to its strong R&D capabilities, advanced manufacturing technologies, and excellent market performance, secured the contract to manufacture the 3 units of equipment for this project on August 28, 2017. Standing 62 meters tall and with a diameter of 5 meters, this device weighs 2,270 tons. It is not only China’s first slurry bed reactor but also the largest forged and welded hydrogenation reactor in the world to have been assembled on-site to date. China National Heavy Machinery Corporation adhered to strict technical standards, overcame numerous challenges, and completed the manufacturing tasks with high quality and efficiency. Due to the limitations of transportation conditions at the Maoming site, it is not possible to transport the reactor as a whole to the site; therefore, on-site welding is required. There are no precedents in the world for the on-site welding of such ultra-large containers. In addition to technical challenges, such projects also have to cope with extreme weather conditions such as typhoons and heavy rains. The employees of the company worked diligently and overcame various challenges, which greatly reduced the on-site manufacturing time; all manufacturing and on-site welding tasks were completed in 17 months. The successful manufacture of the 3 slurry bed reactors for this project has not only enhanced China National Heavy Machinery Corporation’s capabilities in specialization, innovation, and core competitiveness, but it has also set a new record for the on-site welding of ultra-large tonnage forged and welded hydrogenation reactors in China, paving the way for the localization of major petrochemical technology and equipment.