On December 13th, the largest single-loop polypropylene reactor of the year in China, the Ningbo Qianyuan 350,000 tonne/year polypropylene plant loop reactor was successfully manufactured and shipped from Maoming Gravity, and will be delivered early next year. use. The polypropylene plant has a capacity of 350,000 tons/year, while the reactor is designed and manufactured with a capacity of 400,000 tons. This 100% domestically produced device is designed by Sinopec Engineering Construction Company (SEI) and has independent intellectual property rights.
The success of the localization of loop reactors has not only enhanced the level of domestic equipment manufacturing, but also has significant implications for the development of polypropylene process technology in China and the research and development of new polypropylene grades, and will significantly reduce materials and manufacturing. , Transportation costs, for the country to save a lot of foreign exchange.
Ningbo Qianyuan's 350,000 tonne/year polypropylene loop reactor is the longest-produced polypropylene pipe reactor in China. There are a total of two loop reactors, consisting of six 61-meter-long straight tubes and 180-degree bend tubes, with a total weight of 644.87 tons. It is not only bulky, complex in structure, but also very demanding in production. Participating in this research also enabled Maoming Gravity Corporation to gain a great harvest in the development and application of high-tech for equipment manufacturing, becoming a milestone for Maoming Gravity in the localization of loop reactors. In the process of research, they developed a number of new manufacturing technologies, and some are applying for patents to the country.
It is understood that Maoming Gravity Co., Ltd. is a pioneer in the localization of loop reactors. Since the 1990s, localization of loop reactors has been implemented. It has been more than ten years. The company has manufactured more than 60 loop reactors for large-scale polypropylene and polyethylene plants such as Maoming Petrochemical, Zhenhai Refining, Qingdao Refinery, Ningxia Petrochemical, and Hohhot Petrochemical, and Sinopec and PetroChina and local large-scale petrochemical companies. The domestic market share has reached more than 90%. The manufacturing level can be compared with that of large international companies. The loop reactor has become the company's leading product.
At the inspection and acceptance ceremony of this equipment by a group of experts from domestic oil and chemical equipment experts, experts agreed that this reactor has met the requirements of the process patentee in terms of design, and the overall condition of the equipment has met the design requirements. , In full compliance with relevant national standards and norms, quality meets technical requirements.
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