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In China, the cement production industry mostly uses rotary kilns to calcine cement. We all know that cement rotary kiln is an upgraded version of traditional shaft kiln. Compared with shaft kiln, what are the advantages and disadvantages of rotary kiln for cement production?
Can reduce air pollution. The main industrial fuel in our country is coal, which will produce some waste gas pollution. Cement rotary kiln products have been developing new fuel technologies, such as the use of natural gas, which will reduce air pollution.
Save fuel. The cement rotary kiln has a high fuel utilization rate, while the vertical kiln still burns coal and has a relatively low fuel utilization rate.
The final product, namely cement stone, has better powder quality and whiter color. The shaft kiln is much worse than it.
The material can be discharged continuously, which greatly improves the production capacity of the kiln. The shaft kiln is discharging intermittently, and the production efficiency is not high enough.
Of course, as an upgraded version of the cement rotary kiln, its cost is higher, so the price is higher.