19. Final process of 5th phase
is the final grinding.
There is a horizontal
filled with steel balls.
Clinker reach in this
rotating drum after
cooling. Here, steel balls
tumble and crush the
clinker into a very fine
powder
Cement steel balls
20. This fine powder is
considered as cement.
During grinding gypsum
is also added to the mix in
small percentage that
controls the setting of
cement.
Rotating ball mill