The wind from the bottom exchanges heat with the lime and enters the calcining zone as fuel after its temperature reaches 600 degrees.
Ifufe sitere na ala na-eji okpomọkụ wayo na-etinye okpomọkụ wee banye mpaghara calcining dị ka mmanụ ọkụ mgbe ọnọdụ okpomọkụ ya ruru ogo 600.