Quarry Stone Industry
Application
Aggregates such as limestone, granite and gravel are essential to maintaining the quality of life around our world. This natural resource is used and enjoyed in nearly all aspects of our daily lives: residential and commercial construction, roads, highways, bridges, airports, fertilizers, toothpast and even cosmetics. While the average person has a limited amount of knowledge to its orgin, aggregate is making a major contribution to improving the quality of life for all of us.
With its process know-how, high quality – reliable machines and services, HAZEMAG plays an important and highly contributing role in the crushing and processing of the raw materials that ultimately result in this essential product we all call aggregate.
As varied and different is the geological makeup of this natual resource, so are the systems and technology that are selected in order to meet a vast range of construction specifications and consumer demands.
However, a common factor always remains in place; the basic material must be crushed.
In simple terms, crushing can be defined as the process of changing the size and quality characteristics of the raw stone by the use of an external source, such as a crusher.
The targets of crushing are rather easy to define, such as:
- Target 1: The process of taking the raw material in its natural state and changing its size in order to meet a range of construction specifications comonly associated with concrete, road base, asphalt chips and even finer materials utilized in paints, fertilizers and medicines.
- Target 2: The process of changing the shape of the raw material in order to meet those construction specifications that call for the stones to be a more cubical shape.
- Target 3: The process of increasing the quality of the raw material, known as beneficiation or selective crushing, which enhances the raw material by the elimination of softer, unwanted materials or inclusions.
- Target 4: The process of increasing the quality of the material, known as upgrading, which eliminates the stones natural cleavages or internal weaknesses.
In order to achieve these targets, the processing plant normally consists of a combination of crushing and screening in multiple stages: primary, secondary and at times tertiary processing.
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