On February 16, Chizhou Jiuhua power generation company ා 1 unit small section lean coal boiler 99.5% burning Shenhua bituminous coal technical transformation project started, which is another deep energy-saving project after the first ultra-low emission of ා 2 unit in the province in 2015.
This year, the company conscientiously summarized the experience of deep energy-saving transformation of ා 2 unit last year, and implemented the energy-saving ~ integrated transformation of ා 1 unit. The project covers a series of technical transformation projects such as small section lean coal boiler, steam turbine flow passage efficiency improvement, wet electrostatic precipitator, etc. Among them, the technical transformation of lean coal boiler is one of the important links of energy-saving and integrated transformation of ා 1 unit. The main content is to transform the original ball mill intermediate storage pulverizing system into medium speed direct fired pulverizing system, and carry out the transformation of burner, fan, heating surface, air preheater and other systems. The transformation period is about 100 days. After revamping, the boiler efficiency, NOx content at furnace outlet and auxiliary power consumption rate of No.1 unit have been greatly improved, with remarkable energy-saving and benefit.
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