Rotary drum dryer machine

According to statistics from the Ministry of Metallurgy, my country’s annual steel output has reached 400 million tons, and the associated secondary iron-containing resources (such as sintering dust removal ash, return ore, blast furnace dust removal ash, steel-making converter sludge and other iron

In my country's metallurgy, coal industry, coke is a necessary bulk raw material for metallurgy, chemical industry, calcium carbide and other industries. Due to the continuous increase in coal prices, the coking coal is more than 1,000 yuan per ton, and the coke price is about 2,000 yuan, which undo