Huanqiu Northeast Engineering Kazakhstan Petrochemical Gas Separation Project Completed All Propylene Tower Hoisting

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On June 26, the Harbin Petrochemical Gas Separation Project, contracted by Global Northeast Engineering, successfully completed the hoisting of the last section of the propylene tower C-103B, marking the successful hoisting of all the propylene towers of the project. The Harbin petrochemical gas sub-project is one of the "Top 100 Projects" in Heilongjiang Province and a key project for the company's refining and chemical business transformation and upgrading in 2020. The project includes a gas fractionation unit capacity expansion and transformation project and a propylene refining system bottleneck elimination technology transformation project. ； Among them, the gas fractionation unit capacity expansion and reconstruction project is to build a new 500,000-ton gas separation unit and supporting cabinet rooms and power transformation and distribution stations. ； Mainly through the capacity expansion and transformation of the equipment, the refinery's deep processing capacity is improved, propylene and other products are added, and the quality of fuel oil products is improved. The propylene refining system bottleneck elimination technical transformation project involves reusing and relocating a 70,000-ton/year propylene refining unit, including the storage and transportation system pipe network, water supply and drainage system pipe network, and external power supply design. The two projects are constructed at the same location and must be completed at the same time according to the owner's requirements. The physical quantity of the main projects of the gas fractionation unit capacity expansion and transformation project and the propylene refining system bottleneck elimination technology transformation project: Gas fractionation unit capacity expansion and reconstruction project "Buildings - 1 liquefied hydrocarbon pump room, 1 cabinet room, power transformation and distribution station ； Structure - 1 cold exchange structure and main corridor ； The main process equipment includes 4 towers, 8 vessels, 23 heat exchangers, 16 pumps, 33 other equipment, 10,900 meters of process pipelines, 1,500 process valves, 83 electrical equipment, 299 automatic control equipment, and 55 telecommunications equipment. Propylene refining system bottleneck elimination technical transformation project "Structure-Drying Structure 1" ； The main process equipment includes 1 tower, 11 vessels, 6 heat exchangers, 1 fan, 30 other equipment, 10,000 meters of process pipelines, 1,090 process valves, 3 electrical equipment, 102 automatic control equipment, and 55 telecommunications equipment. The propylene tower hoisted this time is 72 meters high, 5.2 meters in diameter, and weighs 446 tons per tower. The hoisting scale is unprecedented in the history of Harbin petrochemical engineering construction operations. Since the construction site is close to the device production area and the space is limited, how to use the limited space to solve the problem of approaching the propylene tower, stacking materials and equipment, on-site processing, and hoisting has become a technical difficulty. In order to ensure the smooth progress of project construction, the Harbin Petrochemical Project Department overcame many difficulties and implemented full-process upgrade management and control from device design, equipment procurement, manufacturing, quality inspection, transportation, and installation with an attitude of excellence. Before construction, the project department organized multiple technical trainings for owners and participating units to address technical difficulties, carefully studied tower installation technical standards and specifications, and systematically studied * The construction process flow was followed, and a special construction plan was prepared for tower hoisting and assembly, which provided a strong guarantee for the quality and progress of later construction. From May 19th to June 21st, the project completed the hoisting construction of the lower middle section and middle section of Tower C-103A, and the middle section and upper section of Tower C-103B. The propylene tower No. C-103B was hoisted on June 26. It is the core equipment of the gas separation unit and also a critical path for construction operations. At 9:36 a.m., the towering crane steadily lifted the fifth section of the tower C-103B into place. At 14:56, the staff completed the verticality and alignment inspection of the last section of the tower assembly. The gas separation project successfully completed all construction operations of the propylene tower. According to the person in charge of the project department, in the next step, the project construction will fully enter the process installation stage. Content source: Petrochemical hot spots