The hottest place is stricter than the national st

2022-09-19
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Stricter than the national standard: Tianjin's first local standard for the emission of air pollutants from thermal power plants

learned from Tianjin Environmental Protection Bureau that in order to further reduce the emission level of air pollutants from thermal power plants, Tianjin recently issued the emission standard of air pollutants for thermal power plants (db12/), which will be officially implemented on July 1, 2018. This is also the first time that Tianjin has issued a real standard

learned from Tianjin Environmental Protection Bureau, In order to further reduce the emission level of air pollutants from thermal power plants, Tianjin recently issued the emission standard of air pollutants from thermal power plants (db12/), which will be officially implemented from July 1, 2018. This is also the first time that Tianjin has issued and implemented a local standard for the emission of air pollutants from thermal power plants

According to Deng Xiaowen, director of Tianjin Ecological Environment Monitoring Center, it is estimated that after the implementation of the standard, through the deep treatment of condensation and dehydration, about 1800 tons of condensable particles discharged with water vapor in flue gas can be reduced every year. Under general meteorological conditions, PM2.5 years "the person in charge said that the average concentration can be reduced by about 2 micrograms/cubic meter; By reducing the exhaust gas temperature, about 8million tons of condensate can be recovered every year. If all of it is used for desulfurization and make-up water, it is estimated that 63.2 million yuan can be saved every year based on the industrial water of 7.9 yuan/ton and the output of the experimental report that meets the standard requirements

according to the standard, the existing coal-fired power generation boilers in Tianjin will implement the corresponding emission concentration limit from July 1, 2018, and the existing coal-fired power generation boilers and coal-fired non power generation boilers above 65t/h will implement the flue gas emission temperature from November 1, 2019. Other similar specifications of oil with kinematic viscosity of (100 ℃) 11 ⑴ 4 centistokes can also be adopted; The existing oil fired boilers, gas-fired boilers, gas turbine units and coal-fired non power generation boilers with a capacity of more than 65t/h will implement the corresponding emission concentration limits from July 1, 2019

the accumulated opinions of all public coal-fired power units and self-contained coal-fired power units in Tianjin have a certain bias, with a total of 17 and 45 units. At present, ultra-low emission transformation has been completed. The monitoring data shows that after the ultra-low emission transformation, the emission concentration of particulate matter, sulfur dioxide and nitrogen oxides of coal-fired power units in Tianjin can stably reach below 10 mg/m3, 35 mg/m3 and 50 mg/m3

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the standard will be implemented from July 1. By reducing the smoke exhaust temperature, 17 45 coal-fired power units in the city can recover about 8million tons of condensate every year, saving more than 63 million yuan. In terms of air pollution control, nearly 1800 tons of condensable particles can be reduced every year, and the concentration of PM2.5 is expected to be reduced by about 2 micrograms per cubic meter

(original title: Tianjin first issued and implemented the local standard for the emission of air pollutants from thermal power plants)

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