en.Wedoany.com Reported - Recently, the large chimney of the Ras Al Khair Phosphate Fertilizer Project, undertaken by the Saudi Branch of China National Chemical Engineering Third Construction Co., Ltd. for Saudi Arabian Mining Company (Ma'aden), was successfully lifted and installed in a single operation.

It is reported that the chimney lifted this time has a total length of 42.1 meters, with the exhaust gas absorption tower elevation at approximately 39 meters. The shell is divided into three sections, with lengths of 14.17 meters, 13.86 meters, and 14.06 meters respectively. The maximum diameter is 5.5 meters, and the diameter at the top lifting lug is 4.15 meters. The chimney shell weighs approximately 65 tons, the operating platform weighs about 20 tons, and the total equipment weight is around 85 tons. To ensure a smooth lifting operation, the project team meticulously organized and planned, repeatedly discussed the lifting plan, and conducted detailed technical briefings. Ultimately, an integral lifting scheme was adopted: using an 800-ton crawler crane as the main lift, assisted by a 300-ton truck crane for tailing operations. During the lifting process, the main crane precisely controlled the trajectory of the equipment's tail, while the auxiliary crane operated smoothly in coordination, effectively preventing the equipment from contacting the ground. This resulted in a successful one-time installation, with the entire operation proceeding smoothly and orderly.

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