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According to the overall strategic plan of China National Petroleum Corporation, Dalian Petrochemical Company built a large-scale refining base with a processing capacity of 20 million tons/year of crude oil during the 10th Five-Year Plan period, mainly processing Russian high-sulfur heavy goods imported from Sino-Russian oil pipelines. crude. The 3.6 million tons hydrocracking unit is an important part of this strategic plan, with a diameter of 4.9 meters and a height of 48.5 meters.
The construction of the Dalian Petrochemical Company's 3 million tons/year residual hydrodesulfurization unit and the 3.6 million tons/year hydrocracking unit of CNPC has previously purchased the world's largest level of 1350 tons of crawler cranes. Dalian will be held on June 28 last year. The first reactor of the petrochemical 3 million tons/year residual oil hydrocracking unit was safely and smoothly hoisted, setting a record of 1,206 tons of domestic lifting weight.
On March 26 this year, this 1350-ton crawler crane, together with another 750-ton crawler crane, hoisted the 3.6-million-ton hydrocracking unit in one position, setting a new record for the lifting weight of 1,520 tons. In just ten days, the second 3.6 million tons of hydrocracking unit with additional components was successfully hoisted on April 8th, setting a new record of 1,528 tons.
According to Wang Linhui, the main operator of the 1350-ton crawler crane, the maximum lifting height of this behemoth can reach 178 meters, which is equivalent to the height of a 50-storey building. The maximum operating radius is 146 meters. It is the largest and highest value of lifting capacity in China. The most advanced lifting equipment.
According to reports, according to international conventions, it is necessary to have two thousand-ton cranes to complete such heavy equipment. However, it is difficult to find the same cranes as the 1350-ton crane in the domestic market. To this end, the technicians of CNPC I Construction have determined the “two-machine torque balance method†through many research and demonstrations, using the 2000-ton torque distributor, steering mechanism, suspension cover and load capacity of 700 tons that can be independently designed and manufactured. The tail tail row is used as the guarantee of balance force. Finally, the 1350-ton crane is used together with the 750-ton crane to complete the lifting.
The construction of the largest refining base in China has set a new record for lifting weight
PetroChina Dalian Petrochemical Company's annual construction of 20 million tons of large-scale refining base has set a new record for domestic lifting weight. China National Petroleum and Natural Gas No.1 Construction Company will react to the second largest 3.6 million tons of hydrocracking unit in Asia on the 8th. The hoisting was in place and a new record of lifting weight of 1,528 tons was created.