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CFB circulating fluidized bed unit is a green environmental protection unit encouraged and advocated by the state. It has many advantages such as high desulfurization efficiency, good environmental protection benefit, wide adaptability of coal type and large load regulation ratio. It represents the development and clean development of the power industry. New trends, but at the same time due to the inherent shortage of technology is not fully mature, the boiler bearing parts are seriously worn, and so on, has been plagued by many domestic and foreign manufacturers.
In order to completely break through the technical bottleneck of the circulating fluidized bed boiler, it is difficult to solve the technical problems of the circulating fluidized bed unit. In recent years, Zibo has actively strengthened with Tsinghua University, Zhejiang University and Shandong Electric Power Research Institute. Contact with Harbin Boiler Plant and other units to comprehensively analyze the wear mechanism of CFB boilers, and determine “optimized operation measures to reduce wear; change part of design structure to prevent wear; enhance metal wall hardness and resist wear; The principle of technical control for controlling wear and tear, strictly controlling maintenance quality and preventing human wear, has implemented the reformation of slag cooler slag system, the reformation of economizer reheater, the anti-wear renovation of furnace, the wet ash removal transformation, and the compressor. 16 technical transformation projects, such as renovation, effectively curbed boiler wear and burst, fire extinguishing and shutdown events caused by poor slagging. At the same time, the operation adjustment was comprehensively strengthened. For the case that the slip pressure operation of #3 unit has no fixed value, 71 working conditions tests were carried out to find the optimal main steam pressure under different loads, and the continuous safe operation of #3 unit was created. The new record of the day has made the company's CFB unit management level at the forefront of the country.
Compressor and other transformations broke the bottleneck Huadian CFB unit won the first prize in the country
On December 15th, at the annual meeting of “National Power Industry CFB Unit Technical Exchange Service Cooperation Network†held in Haikou, Huadian Zibo Thermal Power Co., Ltd. #3 unit won the first prize in the “National CFB Boiler 135-150MW Heating Unit Competition†Award, #4 crew won the third prize.