Top-fired hot blast stoves have been introduced into my country in 2003 and have been developed.

In April 2019, the Ministry of Ecology and Environment, the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Finance

After the supporting hot blast furnace is completely cooled, some experts enter the furnace to check and see When taking pictures, it was found that the burner structure and nozzle structure were not damaged at all, which was the same as the original state of the masonry

"The burner and nozzle structure are not damaged in the slightest and are as good as they were before.

Nitrogen oxides, sulfur dioxide, and dust particles emitted by the chimneys of the iron and steel industry, a major industrial polluter, are the main culprits of air pollution.