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Benefits derived from the chip treatment for waste processors
    Case Studies

BENEFITS DERIVED FROM THE CHIP TREATMENT FOR WASTE PROCESSORS

The chips generated in the machining processes are impregnated with oils or emulsions, a state in which it is impossible to recover the material without previously separating them from these fluids.

We can say that the process of valorization and recovery of the chip is carried out in five different phases:

  •          Screening
  •          Shredding
  •          Centrifuging
  •          Metallic separation
  •          Filtering

In cases where short chips and long or yarned chips coexist, it is proposed to place a sieve for a previous classification. Thus, the short chip passes directly to the centrifuge; and the yarned chips are directed to the Shredder so that once crushed, they return to the centrifuge achieving the complete treatment process.

The objective of shredding the material is to obtain short and optimal geometry chips for the subsequent centrifuging process, rather than processing yarned or curvy chips. This way, we avoid any blockage in the centrifuging machine.

From here, it is possible to start the continuous centrifugation process, in which a degree of humidity less than 3% of the chip is achieved.

 

"Cometel Recycling Solutions ' chip treatment systems convert metal waste and cutting fluids into a source of income for your company".

 

Depending on the material and coolant or moisture levels, less than 0.8% can be reached after centrifugation.

The obtaining of a degree of humidity so inferior to the primary, allows a much more efficient process of material separation between ferrous and non-ferrous metals, since the magnetic force will not be diminished by the humidity of the materials that condition their weight and its adherence.

The filters are located in the last stage of the process to debug the liquid for its subsequent reuse, separating the small solid particles from the coolant.

 

The waste processor has to prepare the chips, separating them from other waste and metals by different methods. It is important to have a good classification of the chips, in order to give them the best possible output. And that is why the most quoted will always be the purest material, therefore, when the purest is the material, more outputs it can obtain.

 

-       Installing the chip treatment line at the source (industrial machining customer), the hazardous waste licenses from manipulation and transport could be avoided and an increase of savings by logistical and spatial costs obtained. The contract with the provider for a certain period of time could be ensured, being able even to negotiate the price of the chip, because thanks to the installation, the chip provider would be recovering cutting oils to reuse them in their processes.

-       Installing the chip treatment line in your plant, you could purchase the shavings from different industrial customers. With crushed, centrifuged, separated and briquetted shavings, the market price of the material would increase considerably. Reporting a lower logistical cost, greater manageability, and avoiding price penalties from foundries/refineries due to wet chips. In turn you will avoid all administrative procedures for hazardous waste transportation and the economic penalties derived from it. Due to the metallic separation, you could offer to each smelter a required alloy specializing the material and being able to sell the product to a greater market price.

 

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