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Four major measures to control loose coal pollution, Harbin's heavy pollution days are expected to reduce by 40%

2020-09-02 10:11    page view:

Guide: On the morning of the 1st, the reporter learned from the press conference on the results of the "Hundred Days Battle" in Heilongjiang Province's pollution prevention and control battle, that Heilongjiang Province will continue to promote the "three-fold and one-reform" attack on the pollution control of loose coal this winter, and realize the heating period from 2022 to 2023. The average annual concentration of PM2.5 in Harbin and Suihua is expected to reach the standard; the number of days of heavy pollution will be reduced by 40%.

  On the morning of the 1st, the reporter learned from the press conference on the results of the "Hundred Days Battle" in Heilongjiang Province's pollution prevention and control battle, that Heilongjiang Province will continue to promote the "three-fold and one-reform" attack on loose coal pollution control this winter, and realize the heating period from 2022 to 2023. The average annual concentration of PM2.5 in Harbin and Suihua is expected to reach the standard; the number of days of heavy pollution will be reduced by 40%.

  Intensive rectification of the impact of loose coal on air quality

  Zhao Xuewen, director of the Department of Atmospheric Environment of the Provincial Department of Ecology and Environment, said at the meeting that in recent years, Heilongjiang Province has achieved certain results in the prevention and control of air pollution, but the seasonal and regional air pollution problems have not been fundamentally solved, especially in Harbin and Suihua. In winter in shanty towns, urban villages, and urban-rural fringe areas, bulk coal is used in large quantities. There is no pollution control measures for the burning of bulk coal. The PM2.5 emissions per unit of coal burning are more than 15 times that of power plants, which is serious.

  According to the statistics of the Provincial Department of Ecology and Environment, the total coal consumption in Heilongjiang in winter is 74.76 million tons, and the pollutant discharge is 758,100 tons. Among them, the total consumption of bulk coal was 9.56 million tons, accounting for 12.8% of the total, but the pollutant emissions were 432,800 tons, accounting for 57.1% of the total. This means that loose coal, which accounts for 1/8 of the total coal, contributes nearly 60% of the emissions of coal-burning pollutants, and has become one of the important factors affecting air quality.

  In order to focus on solving the problem of loose coal pollution, on August 7 this year, the General Office of the Provincial Government issued the "Heilongjiang Province Bulk Coal Pollution Control "Threefold and One Reform" Tackling Action Implementation Plan (2020-2022)", according to the "reduction of coal, replacement of coal" The overall idea of ​​"cleaning coal and controlling coal" has taken three years to highlight the "two cities, two counties and two scenic spots", namely Harbin City, Suihua City, Zhaozhou County, Zhaoyuan County, Yabuli Ski Resort, Snow Pollution control of scattered coal in key areas such as township tourist attractions. It is clear that during the heating period from 2022 to 2023, the average PM2.5 concentration in Harbin and Suihua will drop from the highest values ​​of 76 and 64 μg/m3 in the past three years to no more than 50 μg/m3, and the annual average value is expected to reach the standard; heavy pollution The number of days was reduced by 40%, and was controlled within 16 days and 14 days respectively.

  Four measures to vigorously promote the emission reduction of pollutants

  In terms of engineering measures, it highlights the "reduction" of loose coal, the "dismantling" of boilers, the "cleanness" of emissions, and the "warmness" of winter. Through vigorously reducing the amount of loose coal; speeding up the demolition and elimination of coal-fired boilers; comprehensively improving the ultra-low emission level; focusing on optimizing the heating structure and other methods to reduce pollutant emissions.

  Arranged 5 tasks for the pollution control of scattered coal in shanty towns, villages in cities, urban-rural junctions, merchants, and rural areas. Harbin and Suihua reduced 88,900 tons of scattered coal in shanty towns, and replaced 154,100 tons of scattered coal in rural areas with straw solidified fuel. .

  Arranged for the elimination of coal-fired boilers with a steam capacity of 10 to 35 tons or less, and the upgrading of coal-fired boilers with a steam capacity of 10 to 35 tons, and the upgrading of coal-fired boilers with a steam capacity of 35-65 tons. In the built-up area, the heating coal-fired boilers below 35 steam tons per hour are "cleared", and the coal-fired boilers with 35-65 steam tons per hour meet the special emission limit requirements of air pollutants.

  Arranged for three tasks, including key heat sources and ultra-low emissions from large coal-burning households, ultra-low emissions from electric power companies, and optimizing the layout of clean energy. 92 coal-fired boilers in Harbin’s urban built-up area with 65 steam tons per hour and above completed ultra-low emissions transformation. , Suihua urban built-up area coal power unit ultra-low emission transformation task "cleared."

  6 tasks including central heating, smart heating, clean heating, biomass cogeneration, energy-saving renovation of buildings, and old pipe network renovation were arranged. Harbin and Suihua added 19.7 million square meters of central heating area and increased production capacity. The installed capacity of physical cogeneration was 935,000 kilowatts, the energy-saving renovation of existing residential buildings was 21.393 million square meters, and the old pipe network was 650.5 kilometers.

  In the next step, the Provincial Department of Ecology and Environment will work with the development and reform, housing construction, agriculture and rural departments to implement responsibilities, improve mechanisms, coordination, focus on contradictions, and dare to take responsibility, so as to effectively improve environmental air quality.

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