On June 1, Sinopec Luoyang Engineering Co., Ltd. released a message that the Zhenhai Boiling Bed Residue Welding Hydrogenation Reactor, the world's largest petrochemical technology and equipment that was developed, designed and manufactured by the company, has been refined at Sinopec Zhenhai Refinery. The branch company has installed 2.6 million tons/year upgrade quality upgrade project in place, the equipment scale refreshes the petrochemical equipment industry world record.
The reactor shell has a mass of 2,400 tons, a height of 70 meters, a diameter of 4.85 meters and a wall thickness of more than 300 millimeters. It is currently the world's largest petrochemical technology and equipment. It was certified by the expert team in April this year. The chief expert of the Luoyang project Chen Chong-gang stated that this The successful R&D of the Great Power System not only marks the engineering design of China's large tonnage petrochemical equipment, but also leads the world in manufacturing and hoisting technology, adding new momentum to the vigorous development of China's petrochemical industry.
In addition to Luoyang Project, Sinopec Engineering Construction Co., Ltd., Yangzi Petrochemical, Jinling Petrochemical, First Heavy Machinery Co., Ltd., and Second Heavy Machinery Group Corporation also participated in the research and development of the reactor.
'The diameter of the hydrogenation reactor, the greater the value of the wall thickness, the stronger its ability to handle residual oil.' Chen Chonggang said that the reactor volume is far more than the normal size of the hydrogenation reactor, often referred to as 'double super' Hydrogenation reactors, which are large in diameter and large in wall thickness, are used in the heavy residue oil hydrogenation of the most difficult oils to convert them into light oils to produce gasoline, diesel, etc.
According to Chen Chonggang, the volume of the reactor becomes larger, and the manufacturing difficulty also increases at a geometric magnification. Due to the huge volume of the 'Double Super' hydrogenation reactor, the steel materials used for the production need to be uniform, compact, and high in performance. Arrangements in the casting process, forgings Preparation and other aspects are also required to be extremely strict. In addition, in the manufacture of 'double super' equipment, it also needs to have forward-looking design concepts and complete industry standards. Before 2007, China's boiling bed residue welding hydrogenation reactor Relying on foreign introduction, the core technology is controlled by people. The main difficulty is in steel products and manufacturing processes. Since 2008, China has started independent research and development.
The "Shuangchao" hydrogenation reactor complete set of construction technology developed by the project team has been successfully applied in Yangzi Petrochemical's 2 million tons/year and Jinling Petrochemical's 1.8 million tons/year residual oil hydrogenation project, compared with the use of imported equipment as an enterprise. Save nearly 100 million yuan in investment, stable response, with significant economic and social benefits.
Luoyang Engineering Co., Ltd. undertook the general contracting construction of the 2.6-million-ton/year upgrading project of Zhenhai Petrochemicals. In the hoisting of the “Shuangchao” hydrogenation reactor, it also adopted the hydraulic lifting combination program for the first time, creating the installation of super-large equipment. The new construction method has successfully completed the hoisting construction task. After the project is put into operation, the residual oil conversion rate can be increased from the original 45% to about 85%.
Luoyang project stakeholders also revealed that the company’s 3,000-ton-capacity forging structure hydrogenation reactor of Zhejiang Petrochemical has entered the design stage, and will become the world’s single largest-quality similar equipment after completion.