The diagram illustrates the step and devices made the cement in manufacture process, and how concrete is produced by cement for building objects. There are 3 stages in making cement.
Firstly, both lime stone and clay are put into crusher to make powder. Secondly, the powder is mixed by mixer device. After mixing, finished product is transfered by pipe to rotating heater equipment. Finally, they continuely fall down grinder. And then become cement and are packed small bags.
In order to serve material for building, cement must mix with other building materials. We have to conbine cement, water, sand, gravel about 15%, 10%, 25% and 50% respectively. All things is blened by concrete mixer before using in building purposes.
