Technical breakthrough in China's coal-fired power generation
China Environmental Monitoring Station recently released authoritative news in Hangzhou, China's first coal-fired generating unit flue gas ultra-low emission transformation project - the main pollutant discharge level of No. 8 and No. 7 units of Jiaxing Power Plant, Zhejiang Energy Group It is lower than the emission standard of natural gas units and has reached the international leading level.
According to the inspection by the Chinese Environmental Monitoring Center and Other authoritative organizations, the discharge data of the three main smoke pollutants, such as soot, sulfur dioxide and nitrogen oxides, in the total discharge of chimneys in different conditions of the Zheneng Jiadian No.7 and No.8 units were compared. The emission standards in key areas as specified in the “most stringent†country “Air Pollutant Emission Standards for Thermal Power Plants†fell by 84.6%, 70%, and 76.3%, which were significantly lower than those of natural gas turbines.
It is understood that Zheergy Group's independent innovation of "multiple pollutants efficient synergistic removal integration technology" to improve the existing denitration, desulfurization and dedusting equipment of coal-fired units, the introduction of new environmental protection equipment and technology for mercury and trioxide The sulfur is further removed, so that the smoke, sulfur dioxide and nitrogen oxides emitted by the power plant can reach or even lower than the emission standards of the natural gas turbine group, especially the PM2.5 removal rate can reach more than 85%. At present, this technology has applied for patents from the State Intellectual Property Office and has been accepted.
Qi Kefa, an academician of the Chinese Academy of Engineering and director of the Thermal Energy Engineering Research Institute of Zhejiang University, believes that this ultra-low emission technology integrates the world's relatively mature and advanced various pollutant treatment technologies, and has embarked on a new clean coal-fired system in line with China's national conditions. The path, with the value and possibility of extensive promotion and replication, will have an important impact on China's energy structure adjustment and energy development strategy formulation.
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