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Aggregate Processing and Aggregate Crushing Plant

Aggregate information:

Aggregates are granular, inert materials, construction aggregate, or simply "aggregate", is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geo-synthetic aggregates. Aggregates are the most mined material in the world. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement to add strength to the overall composite material.

Aggregate Processing:

Construction industry is highly prosperous in modern time. More and more aggregate materials are required all over the world. Aggregate is the natural available deposits of sand or gravel. However, natural deposits of aggregate are very limited in nature world. Most aggregate are obtained from the crushed large rock, gravel, sand or other materials. Aggregate crushing plants are important equipment for aggregate processing. Aggregate commonly is classified into two categories: fine aggregate and coarse aggregate. Fine aggregate is the materials that could pass the No.4 sieve, and most could be remained on a No. 200 sieve. Coarse aggregate is relatively big materials that will get through 3 inch screen and be remained on the No.4 screen. Different types of aggregate materials will be used for various applications, they all plays crucial role in construction of city infrastructures.

Aggregate Processing

The aggregate production flow chart:

  1. The blasted raw stones was hauled to the a stockpile by heavy duty truck;

  2. The raw stones like granite, basalt, marble, limestone, cobble stone etc. will be fed into jaw crusher as primary crushing machine;

  3. The crushed stones will be transferred to impact crusher for further processing;

  4. According to the clients application, the crushed stone will be sieved into different grade by vibrating screen, or be transferred to cone crusher for fineness crushing;

  5. After screening process, aggregate washing machine will be needed to clear away the dust and small particles.

Aggregate Crushing Plant:

Aggregate crushing operation is the processes of dealing and processing of nonmetallic mineral materials for construction industry. Nonmetallic mineral material will be first quarried or mined and then conveyed to the processing plant for further classification or further size reduction by aggregate crushing plant.     

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Treatment of aggregates to obtain finished products suitable for each use. The basic stages are: 

Crushing and Grinding

It allows the particle size to be reduced in successive phases, using crushing equipment of different characteristics, such as jaw crusher, impact crusher, rotary, ball mills or bar mills. In the sands and gravels of alluvial origin, only the large sizes are crushed, therefore, the number of crushing stages is usually lower.    

Classification

Insert between the crushing stages, the sorting equipment appears that allows to select the size of the particles separating them between those that pass and those that do not pass.    

Washed

The deburring, washing or dedusting of the material allows to obtain clean aggregates to meet the needs of certain applications since the presence of sludge, clay or dust mixed with the aggregate or enveloping the particles can alter the adhesion with the binders (cement , lime, bituminous compounds or others) and prevent a correct application.

Camelway Construction Machinery Camelway

Construction Machinery is a leading company specialized in the design and manufacture of plants and machinery for the treatment of aggregates, we develop projects of stationary and mobile crusher installations "turnkey" based on the study of the needs of the client, offering comprehensive advice in the selection of equipment and excellent after-sales service. Facilities for the washing, crushing and classification of aggregates equipment and machinery for quarries and mining.

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