ABK

ABK type boilers with a movable grate are designed to burn fuel with moisture content up to 43%. These boilers are manufactured with a power range from 150 kW to 2000 kW. ABK type boilers come equipped with a single ash removal arch. Wide selection of fuel types: wood chips, sawdust, pellets, and other dry fuels. High efficiency coefficient up to 85%. Control range of ABK model boiler is 30%-100%. Boiler specification and features:

• Movable grate installed in the combustion chamber.
• Primary air supplied to separate combustion zones (2 or 3 zones).
• Secondary air supply to the bunker.
• Integrated ash multicyclone.
• Automatic ash removal from under the grate.
• Automatic ash removal from the bunker.
• Pneumatic heat exchanger cleaning device for each heat exchanger tube.
• Screw or hydraulic fuel feed to the bunker.
• Protection against bunker overheating.
• Protection against boiler overheating.
• Primary and secondary air heated by the combustion products. Boiler automation control options:
• Operation of fuel storage and conveyors.
• Fuel dosing into the bunker.
• Hydraulic system for the grate.
• Primary and secondary air fans.
• Ash removal from under the grate.
• Ash removal from the bunker.
• Heat exchanger purge algorithm.
• Maintaining the assigned traction in the bunker.
• Flue gas recirculation (optional).
• Combustion process control according to the “λ” zone.
• Control of the boiler recirculation pump or three-way valve according to the assigned temperature.
• Sending emergency messages via GSM.
• Boiler control remotely (via the internet).