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fine aggregate crushing machine for sale

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There are abundant stone, gravel, sand and sedimentary materials in the world, materials could be used for producing fine aggregate with specific properties and characteristics for certain applications. The crushing process involves many stages and equipment. Demolition and drilling machine will be used to move the large rocks away from its original environment. The primary crushing circuit will break the raw aggregates to approximately 3 -12 inch.

Fine Aggregate Crushing Machine

Crushers involves in the primary crushing circuit mainly including jaw crusher or gyratory crushers. And then cone crusher or impact crusher will be applied in next crushing circuit to reduce the materials to about 1-4 inch. The unqualified particles will be back to cone crusher or impact crusher for tertiary crushing, then the materials will be sieved by vibrating screen and feed into another cone crusher or hammer mill for fine crushing. In the end the manufactured fine aggregate, also can artificial sand is produced.

Fine Aggregate Application

Nowadays it is more common to mix synthetic fine aggregate in concrete due to the environmental limitations. Different industry requires aggregate materials with certain properties such as gradation, hardness, soundness, skid resistance. Since the limitation of environment and economy, natural aggregate can meet all the application requirements, so natural aggregate is gradually replaced by crushed rock or gravel fine aggregate and manufactured sand. Fine aggregate is extensively used in building highway, airstrips, pipelines and pavement, construction materials, and used for producing asphalt or concrete.

Aggregate Processing Plant

In aggregate production process, many different types of aggregate processing plant involved. The production can be classified into crushing, screening, washing, sand making etc.

  • The aggregate crushing plant commonly used includes Jaw Crusher, Cone Crusher and Impact Crusher.
  • Screening plant: In order to be graded, the gathered natural raw materials or the crushed mixture should be screened. There are two kinds of grading methods, hydraulic screening and mechanical screening. The large scale screening usually uses mechanical screening. There are two kinds of mechanical screening, eccentric vibration and inertia vibration.
  • Washing plant: sand washing plant is an important machine in aggregate processing, it helps wash out the impurity material and produce high quality clean aggregates.
  • Sand making: sand making machine is used to place the distributaried sewage mortar. Then after first washing, the sewage mortar is sent to sand washing machine for next washing. Artificial sands are processed by rod mill.

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