ABK type grate-fired boilers are designed to be able to burn fuel up to 41% of moisture content. Boilers of this type are produced from 150 KW to 2000 KW. Chips, sawdust, pellets and other bulk fuels are used. ABK model control range 30% -100%.

Boiler specification and functions:

  • The combustion stove is equipped with a movable grate.
  • Primary air (2 or 3) zones is supplied to the individual combustion zones.
  • Secondary air is supplied to the furnace.
  • Automatic ash removal from zone under the grate.
  • Automatic ash removal from the furnace.
  • Pneumatic heat exchanger cleaning device.
  • Screw or hydraulic fuel supply to the furnace.
  • Protection against overheating of furnace.
  • Protection against overheating of boiler.
  • Primary and secondary air is heated by combustion products.

Boiler automatics control options:

  • Fuel storage and conveyor work.
  • Fuel supply to the furnace.
  • Grate movement hydraulics.
  • Primary and secondary air blower.
  • Removal of ash from the zone under the grate.
  • Ash removal from the furnace.
  • Heat exchanger request algorithm.
  • Support for the required traction in the furnace.
  • Smoke recirculation (optional).
  • Control of the combustion process according to the “λ” probe.
  • Control of boiler recirculation pump or three-way valve according to set temperature.
  • Sending emergency messages via GSM connection.
  • Control of boiler room at a distance (Internet).