report on jaypee cement manufacturing process

May 01 2009 · Traditional Portland cement is composed primarily of calcium silicate minerals The raw materials are quarried or mined and transferred to the manufacturing facility to be crushed and milled into a fine powder before entering a preheater and eventually a large rotary kiln where materials reach temperatures greater than 1400 °C The clinker or kiln product is cooled and the excess heat is [email protected]