Katilas

AHENA MRG 2500 4G

AHENA 3 MW Chip-Fired Steel Boiler for Sale

A brand new AHENA steel boiler with a nominal output of 3 MW is for sale, featuring a four-pass flue gas system, horizontal smoke tubes, and automatic moving grate fuel feed. Ideally suited for solid fuels such as bark and wood chips.

Key Features:
- Output: 3 MW nominal capacity
- Year of Manufacture: 2024
- Fuel Type: Bark and wood chips, max. particle size G100
- Heat Output: Water-cooled system, max. temperature +95°C, 2 bar operating pressure
- Flue Passes: Four-pass system (2 in tubes, 2 in the combustion chamber)
- Weight: 16,000 kg
- Dimensions: Height 2,600 mm (with base 4,800 mm), Width 2,000 mm, Length 5,500 mm

Boiler Specifications:
- Model: MRG 2500 4G
- Combustion Chamber: Large firebox with wet walls, minimum 110 mm thick refractory lining
- Maintenance: Rear inspection door and front cleaning door for regular ash removal
- Connections: Flanged connections for hot water supply and return, flue gas connection, cleaning brush
- Water Volume: Approx. 11,000 liters
- Flue Gas Volume: 15,000 m³/h at 250°C
- Heat Exchange Surface: 155 m²
- Combustion Chamber Volume: 8.3 m³
- Water Connections: DN200

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Auxiliary Systems:
1. Moving Grate Burner:
- Wet-walled base, fully insulated and refractory-lined
- Grates made of chromium-containing heat-resistant steel
- Hydraulic movement, divided into zones with fans
2. Ash Removal System:
- Water-cooled discharge screw with circulation pump
3. Hydraulic Ram Fuel Feeding System:
- Made of thick steel sheet, equipped with fire protection valves
4. Control and Regulation Electrical Cabinet with PLC:
- 15” touchscreen display, inverters, and lambda sensor
5. Compressed Air Soot Blower (optional):
- With electric valves and electronic sequencer
6. Flue Gas Extractor and Multi-Cyclone Particle Filter:
- Centrifugal extractor and inertial dust separator
7. Flue Pipe and Chimney:
- Stainless steel flue pipe and galvanized carbon steel chimney

This boiler is an excellent choice for high-efficiency, environmentally friendly operation. Located in Cegléd, Hungary.

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