【Ten Years of Rapid Development in Chemical Equipment】The 1,830-ton separation tower for Lijin’s 600,000 tons/year propane dehydrogenation PDH project was successfully assembled in the air between 2011 and 2022
Thread Content
Witnessing the ten-year rapid development of chemical processing equipment, I admire the prosperity and strength of modern China. This is just a modest contribution; I invite everyone to participate more actively in the discussions on this forum. With more people involved, the discussions become more lively, and everything becomes even better with your participation. There are prizes for those who leave replies – feel free to discuss! --------------------------------------------------On December 14, 2022, at the Li Hua Yi PDH project in Lijin County, Dongying City, Shandong Province, where the production capacity is 600,000 tons per year, the final section of the tower, weighing 250 tons, was successfully lifted onto the tower by a 2,000-ton crawler crane. Thus, the separation tower part of the project undertaken by China State Construction Fifth Engineering Corporation was completed. With a total weight of 1,830 tons and a height of 128 meters, this separation tower was successfully assembled at a height of 100 meters, marking the successful completion of this project.
China State Construction Fifth Continent participated in the Lihua Yi 600,000 tons/year propane dehydrogenation PDH project, undertaking tasks such as the fabrication and installation of 1 separation tower and 5 propane dehydrogenation reactors. This is another large-scale propane dehydrogenation on-site manufacturing project undertaken by China State Construction Fifth Continent, following the world’s first propane dehydrogenation unit of its kind, with the highest weight and largest production capacity – the Qingdao Jinneng 900,000 tons/year project – as well as the country’s highest-capacity propane dehydrogenation unit – the Yanchang Zhongran Taixing Light Hydrocarbons Deep Processing project. Compared with the Qingdao Jinneng and Yanchang Zhongran projects, in Lihua Yi’s 600,000 tons per year propane dehydrogenation PDH project, China State Construction Fifth Continent Group carried out the overhead erection work of the separation tower on its own for the first time.
The project team from China State Construction Fifth Continent overcame difficulties such as a limited lifting site, challenges in transportation, and numerous concurrent operations. By using a 2000-ton crawler crane as the main crane and a 650-ton crawler crane as the auxiliary crane, they managed to position the tower accurately and completed the lifting task successfully. This independent lifting operation marked a first for China State Construction Fifth Continent in carrying out lifting tasks at large-scale propane dehydrogenation projects.
Furthermore, during the transportation of the products from the separation tower in Section 4 of the Lihua Yi project, the China State Construction Fifth Continent project team used vertical transportation methods for the first time to transport segment equipment that was 21 meters high, thereby ensuring transportation safety while reducing the time required for lifting operations.