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Tianshui City Increases Coal-fired Boiler Renovation Work to Improve the Number of Days with Good Air

2020-09-15 09:55    page view:

Guide: Since entering the heating season, the air quality in Tianshui City has not been affected, and the number of days with good air quality has remained stable

  Since entering the heating season, the air quality in Tianshui City has not been affected, and the number of days with good air quality has remained stable. "This is due to the city's blue sky defense war, especially the upgrading of coal-fired boilers, which effectively improved the air quality." said Wang Chaobo, deputy director of the Tianshui Environmental Protection Bureau.

  According to reports, since 2015, Tianshui City Environmental Protection Bureau has adopted powerful measures such as centralized heating desulfurization and denitrification upgrading, clean energy conversion, high-efficiency pulverized coal boiler conversion, grid-connected heating boilers, and the elimination of out-of-service coal-fired boilers. Battle of the blue sky. A total of 860 coal-fired boilers in the city have been upgraded and upgraded. As of the end of October 2018, 856 have been renovated and the remaining 4 are under repair. The coal-fired boilers in urban built-up areas have basically achieved the task of zeroing.

新力锅炉

  The data shows that as of the end of November 2018, the average concentration of inhalable particulate matter (PM10) in Tianshui City was 87 micrograms/m3, and the average concentration of fine particulate matter (PM2.5) was 40 micrograms/m3; after removing the impact of sand and dust, the average concentration of PM10 was 76 Microgram/m3, the average PM2.5 concentration is 38 microgram/m3, and the number of days with good ambient air quality is 283 days. Li Shi, director of the Qinzhou heat source plant, told reporters that after the heat source plant was upgraded, the dust removal efficiency was higher than 99%, and the desulfurization efficiency was not lower than 80%, which not only improved the heating quality, but also effectively reduced air pollution.

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