Organic waste

Composting plants

Our products and services range from mobile machines for open composting systems, to large plants with stationary machines for preparing and packaging the final product. 

In mechanical preparation, shredding and mixing creates a starting mixture that is ideal for the rotting processes. If necessary, contraries can be sorted out by screening.
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The decomposition and conversion – the rotting process - performed by microorganisms are controlled from the outside through ventilation, mixing and irrigation. We use open solutions like windrow composting, as well as closed processes in rotting tunnels, or combinations of both. 
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Post processing starts with screening of the cured compost to the desired particle size. Further separation steps may be necessary, depending on the degree of contamination. Following removal of contaminants by sifting, the screen overflow can be reused as structural material or biomass fuel. 
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Gentle
shredding

Low-speed machines like the Crambo or high-speed ones like Axtor are used for shredding. Both types can be adjusted to output the desired particle size, using the appropriate screen baskets and teeth. This step can be enclosed or open-air, depending on the input material and local conditions.

Cleaning
and mixing

Drum screens, Multistar star screens and Flowerdisc disc separators seperate off contraries and noncompostable fractions. At windrow composting the material is mixed with structure material and screen oversize during the layered build-up with a wheel loader and homogenized in subsequent mixing with a turner.

Open or
closed

The input material and the associated limiting factors also decide for the rotting process whether it is conducted closed, i.e. in an indoor part of the system, or open as windrow composting. The first phase of the process often takes place in a closed system with vendilation and outlet air treatment.

Windrow
composting

Turning compost with a Topturn compost turner improves ventilation, enables re-watering and ensures mixing of the different rotting areas in the windrow. The process is generally complete after 6 to 12 weeks. 

Klassieren
durch Siebung

To attain a product of uniform particle size, and to separate off any contraries still present, the compost is screened. Komptech has a wide range of mobile and stationary drum and star screening machines for this process. The particle size produced is based on the intended use, ranging from coarse compost fractions for agriculture to finely screened material for mixing into garden and potting soil. 

Reinigung des
Ãœberlaufs

Screening after composting generates a usable fraction and a screen overflow. The overflow can be run through a Hurrikan windsifter to remove the light components and then used as structure fill, or it can be used as biomass fuel once the stones have been removed by a Stonefex. 

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Shredding

Axtor

High-speed shredder for green waste and wood

  • Diesel engine: 340-430 kW
  • Throughput: up to 310 m³
  • Mobility: Trailer, Track
Diesel
Mobile
Mechanical drive

Shredding

Crambo mobile

Low-speed dual-shaft shredder for wood and green waste

  • Diesel engine: 250-447 kW
  • Hydraulic drum drive
  • Mobility: Trailer, Track, Hook
Diesel
Mobile
Hydraulic drive

Shredding

Crambo
direct mobile

Low-speed dual-shaft shredder for wood and green waste

  • Diesel engine: 250-447 kW
  • Mechanical drum drive
  • Mobility: Trailer, Track, Hook
Diesel
Mobile
Mechanical drive

Shredding

Crambo stationary

Low-speed dual-shaft shredder for wood and green waste

  • Electric motors: 160-280 kW
  • Hydraulic drum drive
  • Separated or combined design
Electric
Stationary
Hydraulic drive

Shredding

Crambo
direct stationary

Low-speed dual-shaft shredder for wood and green waste

  • Electric motors: 160-280 kW
  • Mechanical drum drive
  • Combined design
Electric
Stationary
Mechanical drive

Shredding

Crambo e-mobile

Low-speed dual-shaft shredder for wood and green waste

  • Electric motors: 160-280 kW
  • Hydraulic drum drive
  • Mobility: Trailer, Track, Hook
Electric
Mobile
Hydraulic drive

Screening

Drum screens stationary

Drum screen with electric drive

  • Electric motor: 15-37 kW
  • Screening area: 22.5-86 m²
  • Drum length: 4.5-12 m
Electric
Stationary
Mechanical drive

Screening

Multistar 2-SE

Star screen with electric drive

  • Electric motor: 22 kW
  • Screening area: 7.2 m²
  • Max. throughput: 250 m³/h
Hybrid
Stationary
Mechanical drive

Implementation

Topturn X

Self-propelled turner for triangular windrows

  • Diesel engine: 151-310 kW
  • Windrow width: 4.5-6 m
  • Throughput: up to 5000 m³/h
Diesel
Mobile
Hydraulic drive

Turning

Topturn X63

Self-propelled turner for triangular windrows

  • Diesel engine: 287 kW
  • Windrow width: 5.7 m
  • troughput: up to 4500 m³/h
Diesel
Mobile
Hydraulic drive

Screening

Primus

Drum screen with hydraulic drive

  • Diesel engine: 36 kW
  • Screening area: 16 m²
  • Mobility: Trailer
Diesel
Mobile
Hydraulic drive

Screening

Maxx

Drum screen with hydraulic or electric drive

  • Diesel engine: 55 kW
  • Screening area: 22.5 m²
  • Mobility: Trailer
Diesel
Mobile
Hydraulic drive

Screening

Maxx E

Drum screen with electric drive

  • Operation via power grid
  • Screening area: 22.5 m²
  • Mobility: Trailer
Hybrid
Mobile
Mechanical drive

Screening

Nemus

Drum screen with hydraulic drive

  • Diesel engine: 55-74 kW
  • Screening area: 30 m²
  • Mobility: Trailer, Semitrailer, Track
Diesel
Mobile
Hydraulic drive

Separation

Hurrikan S

Wind sifter with electric drive

  • Diesel generator: 55 kW
  • Max. throughput: 60 m³/h
  • Mobility: Trailer
Electric
Mobile
Mechanical drive

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