Linka® schredder system - type 70

Efficient and well-proven shredder system for boilers from 70 kW to 1,000 kW

Linka Energy’s shredder system (SINGLE) is a well-proven straw shredder, designed, developed, and produced in the mid-1970s based on the experience Linka has gained through many years of working with biomass.

Since then, in 2009, the technology has been refined and developed into the shredder system we have today, which we proudly call the world’s best straw shredder.

The power consumption of the straw shredder is the lowest on the market, making it incredibly attractive for energy-conscious district heating plants, industry, and the biogas sector (for straw processing).

The LINKA shredder system can handle various types of bales, such as waste, seed grass, rapeseed, dry crops, dried manure, and similar materials.

The shredder system easily handles fuel with up to 25% moisture and processes both large and small fuel types without any issues. The system can be used for both pneumatic and auger transport, depending on the desired transport method and the distance between the shredder and the boiler system.

The shredder system can be applied in agriculture, industry, institutions, and heating plants.

Basnæs Estate

Shredder system for a 950 kW straw plant

Salling Efterskole

Shredder system for a 400 kW straw plant

Rokkedal Agriculture – Aars

Shredder system for a 1000 kW straw plant

The technology behind the Linka® shredder system

The Linka® shredder uses a drum system that operates at low speed, which minimizes both the risk of spark formation caused by foreign objects in the fuel and wear on the system.

The fuel is pulled upwards, where it is shredded into smaller pieces, then it falls into the cross auger.

The cross auger then transports the shredded fuel to a suction pipe or auger, which feeds it into the stoker and then further into the boiler.

The forward movement of the conveyor belt is increased, and the pressure on the shredder drums is adjusted based on amp readings from the drum, until the desired oxygen level percentage is achieved. Similarly, the speed is reduced if the oxygen level is too low.

The shredder system can be equipped with conveyor belts of a desired length.

Facts

  • The shredder operates by breaking the straw bales into smaller pieces when they enter the shredder via the drum rollers. The shredded straw then falls into an auger, which transports it over a stone separator. The stone separator filters out stones, heavy materials, and grains before the straw is transported or possibly suctioned into the boiler room.
  • A safety switch is mounted on the rear door of the shredder, which stops the machine when the door is opened.
  • The shredder is constructed from Steel 37 and is painted in RAL 2002 color.
  • The drum rollers are equipped with blades. The 70 shredder is fitted with two drum rollers.
  • The shredder is equipped with straw conveyors in the desired length. The length of the straw conveyor determines how many bales of straw can be loaded in succession.
  • The supplied blanking plates/rapeseed sieves should be installed based on consumption and the type of straw.

Linka Energy is dedicated to the green transition in both industrial companies and agriculture.

Linka Energy supports the green transition of the industry, promoting sustainable industrialisation worldwide.

Linka helps the energy sector, industry, and agriculture utilise local resources, so together we can create more sustainable cities and communities.

The AAA diploma has been awarded to Linka Energy A/S as of June 2025.

This company is one of 30,980 companies in Denmark that received the AAA diploma in 2025 for the highest credit rating based on Dun & Bradstreet’s credit assessment system.

Within the industry Manufacture of stoves, fireplaces, and heating equipment, the company is one of 9 companies with the same rating.

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