Whichever method is utilised, our controlled mill water injection system is also incorporated to enhance the environmental features of the downstream. Key Benefits Include:

• Dust emissions from the fan exhaust to meet or exceed environmental legislation requirements. R.E.D. Ltd can guarantee dust levels in the air from the fan chimney on air cleaning downstream systems to be less than 10mg/m3

• Reduced fire risk within the shredder.

• Inhibited effects of explosions within the shredder, in terms of both force and noise.

• Reduced shredder dust emissions.

• Reduced conveyor transfer point dust creation.

• Reduced capital and operating costs when items of plant such as mill extraction systems, wet arresters, venturi scrubbers and other filters are removed from a downstream system.

• Clean, commercial quality, products.

Systems are compatible with any model of shredder up to 10,000HP drive capacity and a full “turnkey” supply is offered. The layout and specification of the complete downstream system is individually designed to suit the client’s processing requirements.

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Our shredder downstream systems have been developed to meet the stringent environmental regulations placed on scrap processors whilst at the same time maintaining the required commercial specification of metallic end products.

Within the downstream system, a combination of air extraction, magnetics and further screening separate the fragmentised material exiting the shredder into three main product fractions:

• Ferrous steel (frag)

• Non-ferrous metals / non ferrous residue

• Residual light “dirt” (ASR)

We are able to offer two main approaches to downstream processing in terms of:

a) Air Cleaning Systems

Where air extraction is used to remove the shredder light fraction before the ferrous and non ferrous residue products are separated over ferrite drum magnets.

b) Magnet Cleaning Systems

Where the total “shrinkage” material exiting the shredder is first passed to the drum magnets to recover the ferrous product. The non ferrous and light fractions remain as a mix for further processing to recover and upgrade the non ferrous metals.

 

 

SHREDDER DOWNSTREAM SYSTEMS