On May 6th, the No. 3 furnace of Huarun Hebei Caofeidian Million Unit, which was built by China Energy Construction and Construction Co., Ltd., was successfully hoisted at the heating surface of the No. 3 furnace. The next step was to lay the foundation for the boiler water pressure test.
In order to reduce the workload at high altitude, Anhui Power Construction Company's China Resources Caofeidian Project Department concentrated on the ground combination of the flame-corner components and lifted them through two 10-ton winch machines. The heated surface is divided into two pieces, the single piece weighs 58.6 tons, the length is 16.2 meters and the height is 7.413 meters. During the combination, the grinding, pass, counter and welding processes are carried out in an orderly manner and are carried out item by item. Through the cooperation of construction personnel, technicians, quality inspectors, welders and metal testing centers, the final inspection is qualified and the lifting conditions are available.
Due to the multi-part composition of the assembly, the heavy weight and the small inner diameter of the furnace, it brings difficulties to the lifting work. Before hoisting, the company's thermal and mechanized professional technicians and the lifting management staff carefully planned the location of the lifting points, the arrangement of the lifting ears and the selection of the lifting machinery; at the same time, detailed technical construction plans were prepared to clarify the duties and responsibilities of each operator. The authority is to make the operators have clear responsibility, unified command, and perform their duties to ensure that the construction personnel identify the dangerous points and danger sources during the construction process.
It is reported that the project is the first million-generator project in Hebei Province and is listed as one of the key projects in the Bohai Economic Belt in Hebei Province. The planned area of ​​the plant is about 25 hectares and the total investment is about 7 billion yuan. The project adopts the most advanced clean coal-fired power generation equipment and technology, and adopts environmental protection technologies such as all-weather denitration, high-efficiency electric dust removal and ultra-clean desulfurization to achieve the goal of “ultra-low emission†and maintain stable operation of Beijing-Tianjin-Tangshan Power Grid. To ensure the power and heat demand for the development and construction of Caofeidian, to promote the construction and improvement of Caofeidian circular economy industrial chain, and to promote the transformation and upgrading of regional economic structure with important demonstration and leading role.
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