Primary crushers in cement plant - Crusher Unit. Jaw crusher cement plant youtube. dec 30, 2011 generally, cement raw materials consisting of mainly liSBMne.Cement plant primary crusher design. primary crushing. The term primary crusher, by definition, might embrace any type and size of crushing machine. The term implies that at least two stages of crushing are involved, but in many cases the machine which performs the function of initial crusher is the only crusher in the plant. The factors.