In recent years, affected by the rising international energy price, coal price marketization and other factors, all provinces in the country are short of electric coal, and all power plants are taking multiple measures to ensure the purchase of electric coal and ensure the safe operation of the machine team leader cycle. In order to prevent the high temperature corrosion of the water wall of the unit burning high sulfur coal tangentially fired boiler, the main measures are to optimize the operation and adjustment, optimize the distribution of air and powder, avoid strong reducing atmosphere near the wall area of the water wall, and install wall wind to make the water wall form oxidation atmosphere; The water-cooled wall is applied with anti-corrosion, anti-wear and thermal spraying to isolate the reducing atmosphere from the metal material of the water-cooled wall, reduce the sulfur content of the coal entering the furnace and reduce the generation of H 2 S.
The differential pressure of dust collector bag in a power plant was improved synthetically In this paper, the distribution of the smoke flow field in the unit dust collector system is numerically simulated and filed tested. The main technical parameters of the distribution of smoke flow field in the unit's overall dust removal system were measured on site. The actual operation results of the project show that the CFD calculation results are in good agreement with the actual situation, the airflow uniformity inside the modified dust collector is well, the dust removal efficiency is realized and the design expectation is achieved.
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