Main Process Line Equipment For Cement
Crushers
Impact
In
crushing terminology, impact refers to the sharp, instantaneous collision of
one moving object against another. Both objects may be moving, such as a
baseball bat connecting with a fast ball, or one object may be motionless, such
as a rock being struck by hammer blows.
There are two variations of impact: gravity impact and dynamic impact. Coal dropped onto a hard surface such as a steel plate is an example of gravity impact. Gravity impact is most often used when it is necessary to separate two materials which have relatively different friability. The more friable material is broken, while the less friable material remains unbroken. Separation can then be done by screening
Attrition
Attrition
is a term applied to the reduction of materials by scrubbing it between two
hard surfaces.
Shear
Shear consists of a trimming or cleaving action rather than the rubbing action associated with attrition.
Compression
As the name implies, crushing by compression is done between two surfaces, with the work being done by one or both surfaces. Jaw crushers using this method of compression are suitable for reducing extremely hard and abrasive rock. However, some jaw crushers employ attrition as well as compression and are not as suitable for abrasive rock since the rubbing action accentuates the wear on crushing surfaces
Hammer Crushers
Hammer
crushers are among the oldest, yet still the most widely used crusher designs.
Although recent years have witnessed the introduction of new types of crushers,
many are a refinement of the basic Hammer crushers design to serve more
specialized purposes.
Reversible Hammer Crushers
The Reversible Hammer crushers are symmetrically
designed crushers with a rotor that can be run clockwise or counter-clockwise.
Reversal of the rotor permits the operator to utilize the opposite face of the
hammer daily for maximum hammer sharpness. This ability to reverse totally
eliminates the requirement of manual hammer reversal.
Jaw Crushers
Jaw Crushers differ substantially from other types of crushers. There is no rotary motion in the crushing cycle, and all crushing is done by compression of the feed material between two massive jaws, which in effect are a type of breaker plate. Jaw plates can be either smooth or corrugated.
Clinker Crushers
The Clinker Crusher is used for handling of bottom ash, though it can readily be configured to handle other materials.
It
is now widely employed as a direct replacement for the most common makes and
sizes of clinker grinders. Its efficient design improves maintainability and
increases component life, thereby reducing both operation and maintenance
costs.
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