Introduction
This training material is used for the topic cement facturing process. The video shows how cement has made.
Task
Answer the questions.
1.How call the first process?
2.What is blased from rock quarries?
3.How small they crushes the stones?
4.What process goes after chrushing?
5.Where are seperated and kept raw materials?
6.In which temperature the raw material is transformed?
7.What is clinker?
8.How the clinker is grinded?
9.What do they add to extend cement setting times?
10.How cement can be shipped?
Process
Watch the video and do the task.Watch it twice.When you do the task for the first time then only listen to the video and when you will repeat the video then listen and watch.
Evaluation
For the task you can get 10 points.1question=1point.
Answers:
1.Mining
2.Limestone and clay
3.1-1/2inches size
4.Prehomogenization
5.in Silos
6.1400 C
7.Small, dark gray nodules
8.By different-sized steel balls
9.Gypsum
10.By rail car, freighter truck or ship.
10points - you have learned about the cement manufacturing process perfect.
9-8points - you have learned about the cement manufacturing process good.
7-0points - you have to do the task again about the cement manufacturing process.
Conclusion
Now you have learned about the cement and it`s manufacturing process.