What functions does a feed bunker have?

The purpose of a feed hopper is to

  • Material store
  • Feed
  • Dosage
  • and equalization

of the material in the recycling process.

In recycling, the recycled material is prepared for reuse.
There are process steps that build on each other.
For example, this includes classification and screening using a stationary screening machine or mobile screening plant.
NIR sorting and/or magnetic sorting can also be part of the recycling process.
The process begins with the feeding of the material.

Feed hoppers are used for this purpose.
They store the material.
This is filled or fed into the feed hopper using a wheel loader, for example.
In addition to storing the material, one of the main tasks of the feed hopper is to transfer the material to the downstream machines.
The aim is for the feed hopper to feed the material to the treatment process in the desired quantity.

Feed bunker for incinerator bottom ash

Feeding chute
for mixed construction waste

Aufgabeeinheit für das Recycling von Baumischabfall
Zwei Aufgabebunker in der Produktion - Späterer Einsatzzweck ist das Metallrecycling von Shredderschwerfraktionen

Feed hopper for shredder heavy fraction

Dosing hopper metal recycling

Aufgabebunker in einer Recyclinganlage für Shredderleichtfraktionen und Metallrecycling
Zwei SPALECK Aufgabebunker in einer Recyclinganlage für Metallschrottaufbereitung

Feed hopper for metal scrap processing

Advantages and benefits of a feed hopper

  • Optimum and blockage-free material feed
  • Powerful feed
  • Most economical operation
  • Robust technology
  • Easy to clean and low maintenance
  • Optionally available with impact protection, hopper discharge chute, Hardox equipment, ceramic lining (for hot insert), weighing system and IIOT monitoring
  • Adjustable running speed for downstream units
  • Low-caking construction
  • Available as a mobile or stationary version

Discharge chute for CD waste

Feeding chute
for commercial and household waste

Aufgabetrichter Beschickungsrinne
Aufgabetrichter Beschickungsrinne für Gewerbemüll

Feed chute for heavy fraction from commercial and household waste

INFORM NOW: The new SPALECK ActiveFEED feed hopper

Do you already know our ActiveFEED feed hopper? It guarantees a very constant and optimized material feed for your sorting devices.

You are welcome to put this and also our screening machines and conveyors through their paces with your material in our SPALECK TestCenter.

SPALECK ActiveFEED feed hopper
Großer Aufgabebunker für Elektroschrott bei der Versendung durch Hersteller SPALECK

In what sizes and filling heights are feed hoppers available?

From very small to XXL

We manufacture feed hoppers for you in all sizes.
We adapt the size and filling height precisely to your requirements.
For example, feed hoppers for large-volume materials generally have a larger capacity than those for low-volume materials.
We determine the size together with you and in coordination with the technology and machines used.

What materials is a feed hopper suitable for?

Suitable for almost all recycled materials

Feed hoppers are suitable for almost all recycling materials and bulk materials of all kinds. Common applications include scrap metal, electrical scrap, shredded PVC windows, shredded PV elements, slag, MV ash, fluidized bed ash, substitute fuels, shredded waste wood, compost and biowaste, ASR (Auto Shredder Residue), batteries and much more. Thanks to their very robust and stable steel construction, feed hoppers are also ideal for tough applications and materials.

Detailbild eines Aufgabebunkers der Baumischabfaelle an ein Foerderband hin zu einer SPALECK Siebmaschine abgibt
Aufgabebunker und Förderrinnen für das Recycling. Hier ein Blick in die Produktion von SPALECK.

What else are feed hoppers called in practice?

Synomye for feed units

In practice, users often use different designations for a feed hopper.
These can vary depending on the company and industry as well as the personal experience of the plant operator.
Common synonyms are, for example, dosing hopper, bunker, feed chute, infeed unit, storage hopper or bunker discharge chute.
Depending on the term, different technical designs may also be associated with them.

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