Will the size of limestone affect the output of lime rotary kiln?
It is well known that limestone is the main raw material for the manufacture of cement, lime and calcium carbide, and is an indispensable flux limestone in the metallurgical industry. In particular, the activity of lime after being calcined in a lime rotary kiln is as high as 400ml, which is widely used in the manufacture of paper, rubber, paint, coatings and other products. However, due to the complexity of the lime calcination process, the output or quality of the lime rotary kiln will not meet the standard if you are not careful, thus affecting the working efficiency of the whole machine.
Does the size of limestone block affect the output of lime rotary kiln?
The working principle of the lime rotary kiln is that the limestone is heated by the 1150°C kiln flue gas to about 900°C in the preheater, about 30% decomposes, and is pushed into the rotary kiln by the hydraulic push rod. CaO and CO2. The limestone generated after decomposition enters the cooler, and is cooled to below 100°C by the blown cold air in the cooler. The 600°C hot air after heat exchange enters the kiln and mixes with gas for combustion. The exhaust gas is mixed with cold air and enters the bag filter through the induced draft fan, and then enters the chimney through the exhaust fan. Among them, the size and quality of limestone have a great influence on the production capacity and quality of limestone rotary kiln. Larger pieces of limestone are not easy to decompose, and the calcination is insufficient, which may reduce the production quality and output.
Therefore, the quality and bulk of the raw materials should be properly considered before calcination.
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