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China Petrochemical News Network News on September 3, Jianghan Salt Chemical Co.
, Ltd.
's thermal power operation department passed rigorous testing.
Under the condition of the baseline oxygen content of 6%, the three flue gas emission concentration indicators were all lower than the national ultra-low emission limit, marking The ultra-low emission retrofit project of the boiler flue gas of the plant has reached the expected effect index
.
Coal-fired boilers and coal-fired units, the key equipment of the Thermal Power Operation Department, are closely related to the atmospheric environment
.
Jianghan Salt Chemicals actively explores green and clean production.
On September 22, 2019, the coal-fired boiler flue gas ultra-low emission retrofit project started construction; it was completed on September 30, 2020 and entered the trial operation stage
.
The thermoelectric operation department has successively carried out integrated transformations on the desulfurization, denitration systems, and induced draft fans
The desulfurization system starts from the aspects of improving desulfurization effect and reducing energy consumption.
It uses single-tower film liquid-holding trays and introduces new technologies such as high-efficiency defogging to achieve ultra-low emission effects such as deep desulfurization and high dust removal
.
By adding an SCR catalyst layer at the end of the boiler and adopting the SNCR+SCR process technology denitration scheme, the nitrogen oxide emission concentration is controlled within 50 mg/m3
After many careful adjustments and strict control of the process and equipment parameters, from January to August 2021, under the condition of the baseline oxygen content of 6%, the three indicators of nitrogen oxides, sulfur dioxide, and dust particles emission concentrations are all lower than the national ultra-low The emission limit value decreased by 64.
79%, 75.
38%, and 54.
32% year-on-year
.
Since the implementation of the renovation project, the results have been obvious in all aspects
.
It has prominently solved the environmental protection problems of coal-fired boilers that easily produce flue gas and dust, causing air pollution; in order to eliminate the safety hazards of the chimney, the No.
