KWB Multifire – wood chips / pellets

The Multifire has a large power range of 20 to 120 kW, and flexibility of fuel – it can burn woodchip and pellets. It is suitable for larger buildings, such as commercial, agricultural, industry, larger homes and small district heating networks.  Scroll down for more information…

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Description

KWB Multifire is a robust all-rounder for economical heating. It can burn wood chip or pellets with ease. It has a range of 20 to 120 kW, and is suitable for all large buildings in a range of settings.

The crawler burner enables the use of fuels of varying quality, without sacrificing efficiency. It has low emissions, as would be expected from a high quality product from KWB.

Some of the features the Multifire includes are:

  • CFD-optimised silicon-carbide combustion chamber
  • CFD-optimised nozzle geometry and arrangement
  • Stress-free high efficiency combustion
  • Crawler burner with high-alloy and self-cleaning cast rotary grate elements
  • Automatic ash removal
  • High efficiency turbulators

 

KWB Multifire brochure (PDF)

Technology in detail

 

The new KWB Multifire is a pellet heating system of significant scale despite its small size.  It is a true all-rounder, capable of burning wood pellets and wood chip, as well as agricultural pellets.

KWB Multifire

 

 

fuel all-rounder

The KWB Crawler Burner

The new KWB Crawler Burner* is the centrepiece of the new KWB Multifire wood chip and pellet heating system. Thanks to its fuel flexibility and its automatic adjustment to changing fuel qualities, the KWB Crawler Burner* is a true all-rounder, which is well-equipped to deal with wood chips and pellets as well as agricultural fuels.

KWB Crawler Burner

 

  • Optimised fuel feed geometry
  • Drive containing a power-saving, intelligent multi-phase motor
  • Power-saving high efficiency ignition

Installation Examples with fuel storage

 

Optimised for any type of requirement

Aside from developing modern wood chip and pellet heating systems, KWB possesses extensive expertise with respect to the optimal storage and conveyance of wood chips and pellets. Thanks to KWB's flexible and diverse conveyor module system, a solution can be found for almost every structural situation.

Heating system in adjoining building

heating system in adjoining building

  • KWB Multifire with stirrer and conveying channel
  • direct storage room filling using tractor and front end loader

 

 

 

 

 

Heating system in the basement of a building

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  • KWB Multifire with stirrer and conveying channel
  • direct storage room filling from trailer

 

 

 

 

 

Heating system in a separate boiler house

heating system in a separate boiler house

  • KWB Multifire twin boiler installation with common stirrer and two conveying channels
  • direct storage room filling from trailer

 

 

 

 

Heating system in the basement of a building

heating in the basement of a building

  • KWB Multifire with stirrer and conveying channel
  • direct storage filling via screw auger from bunker