Biomass Wood Boiler
Description
A biomass wood boiler is a highly efficient and environmentally friendly heat supply device designed specifically for burning wood-based biomass fuels (such as wood blocks, sawdust, wood chips, firewood, wood pellets, and some agricultural waste). Wood biomass boilers convert the chemical energy of biomass fuels into heat energy through efficient combustion, providing heating, domestic hot water, or heat sources for industrial processes. As a green alternative to traditional fossil fuel boilers, waste wood biomass boilers utilize renewable forestry and agricultural residues, significantly reducing carbon emissions and aligning with global sustainable development trends.
Working Principle
The working principle of wood burning biomass boilers is explained step by step as follows:
1. Fuel Supply
Fuel (wood chips, sawdust, etc.) enters the furnace through an automatic feeding system.
2. Combustion Process
Drying: The fuel is heated, evaporating moisture.
Pyrolysis: At high temperatures, it decomposes into combustible gases and solid coke.
Combustion: The combustible gases burn first to form a flame, followed by the complete combustion of the solid coke.
3. Heat Exchange
The high-temperature flue gas generated by combustion washes over the boiler's heat exchange pipes, transferring heat to the water inside the pipes, thereby producing hot water or steam.
4. Flue Gas Treatment
The flue gas after heat exchange is purified by dust removal equipment and then discharged through the chimney.
5. Automatic Control
The intelligent control system automatically adjusts the supply of fuel and air, and monitors parameters such as temperature and pressure to ensure safe and efficient operation.
Key Features of the Working Principle
Flexible Fuel Supply:
Wood Pellet Biomass Boilers are compatible with various biomass fuels such as wood chips and pellets.
High Efficiency and Environmental Protection:
Thermal efficiency typically exceeds 85%, with near-zero carbon emissions.
Intelligent Operation:
Automatic control of feeding, air supply, and ash removal ensures stable operation.
Product parameters
|
Model |
YLL/ YGL -1900MA(SCI) |
YLL/ YGL -2300MA(SCI) |
YLL/ YGL -2900MA(SCI) |
YLL/ YGL -3500MA(SCI) |
YLL/ YGL -4100MA(SCI) |
YLL/ YGL -4700MA(SCI) |
YLL/ YGL -5900MA(SCI) |
YLL/ YGL -7000MA(SCI) |
|
Delivered heatx104(kCal /h) |
160 |
200 |
250 |
300 |
350 |
400 |
500 |
600 |
|
System heating efficiency(%) |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
|
Design pressure(MPa) |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
|
Max.working temperature(°C) |
320 |
320 |
320 |
320 |
320 |
320 |
320 |
320 |
|
Mediumcirculation(m³/h) |
160 |
160 |
200 |
200 |
200 |
260 |
300 |
340 |
|
Diameter of main pipe (DN) |
150 |
150 |
200 |
200 |
200 |
200 |
250 |
250 |
|
Installation capacity(kW) |
75 |
77 |
100 |
100 |
120 |
140 |
175 |
215 |
|
Applicable fuel |
Soft coal,class ll and Il |
|||||||
|
Model |
YLL/ YGL -8200MA(SCI) |
YLL/ YGL -9400MA(SCI) |
YLL/ YGL -12000MA(SCI) |
YLL/ YGL -14000MA(SCI) |
YLL/ YGL -16500MA(SCI) |
YLL/ YGL -17500MA(SCI) |
YLL/ YGL -19000MA(SCI) |
YLL/ YGL -23500MA(SCI) |
|
Delivered heatx104(kCal /h) |
700 |
800 |
1000 |
1200 |
1400 |
1500 |
1600 |
2000 |
|
System heating efficiency(%) |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
≥85 |
|
Design pressure(MPa) |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
|
Max.working temperature(°C) |
320 |
320 |
320 |
320 |
320 |
320 |
320 |
320 |
|
Mediumcirculation(m³/h) |
400 |
520 |
600 |
680 |
800 |
1000 |
1000 |
1000 |
|
Diameter of main pipe (DN) |
250 |
300 |
300 |
350 |
350 |
400 |
400 |
400 |
|
Installation capacity(kW) |
215 |
270 |
315 |
380 |
460 |
540 |
600 |
620 |
|
Applicable fuel |
Soft coal,class ll and Il |
|||||||
Key Performance Features
The biomass wood boiler is compatible with various biomass fuels such as logs, wood chips, and sawdust, boasting high burnout rates, low fuel loss, and superior energy utilization.
Its high thermal efficiency design, equipped with a high-efficiency heat exchange structure, ensures thorough heat exchange and stable, consistent heat output, adapting to various heating needs.
It produces low nitrogen, low dust, and low sulfur emissions, and can be equipped with dust removal and desulfurization devices, fully complying with national flue gas environmental emission standards.
The boiler body is constructed from corrosion-resistant, wear-resistant, and high-temperature-resistant high-quality materials, resulting in a robust and stable structure, low failure rate, and long service life.
It features an intelligent temperature control system, supporting fully automatic operation and one-button start/stop, simplifying operation and facilitating daily ash cleaning and maintenance.
With a wide range of fuel sources and low costs, its overall operating costs are significantly reduced compared to traditional oil and gas boilers.
Installation, Operation, and Maintenance Guide
Boiler Room Requirements: The site must meet the requirements for equipment size, operation and maintenance space, and fuel storage space. Modular models are particularly suitable for locations with limited space.
Fuel Storage System: A matching dry fuel silo or storage yard must be designed according to consumption, and equipped with rainproof and moisture-proof facilities.
Auxiliary Systems: Including water treatment system, water supply and pressure stabilization system, flue gas duct, and dust removal system, etc., these must be designed and installed simultaneously.
Start-up: The system has an automatic ignition function; operators only need to start the automatic operation program through the control panel.
Load Regulation: Boiler load is mainly achieved by adjusting the feeder speed. The control system will automatically track load changes based on the set outlet water temperature or pressure.
Monitoring: During daily operation, operators can monitor key parameters through a human-machine interface or remote platform.
Daily Maintenance: Check for smooth fuel supply; clear any bridging at the feed inlet; observe the flue gas condition.
Ash Removal: Even with an automatic ash removal system, regular inspection and manual cleaning of ash accumulation in hard-to-reach areas are necessary.
Slag Removal: Regularly remove ash and slag from the ash pit or automatic slag remover.
Annual Overhaul: Conduct a comprehensive inspection after furnace shutdown, including the burner, grate, all safety valves, pressure gauges, temperature sensors, and control circuitry.
FAQ
Q1: What is the efficiency of a biomass wood boiler?
A1: Modern wood-burning biomass boilers typically have a thermal efficiency between 75-90%. With proper maintenance, the use of dry, high-quality fuel, and optimized combustion control, wastewood biomass boilers can approach 85-90% efficiency. Regular cleaning of the heat exchanger is crucial for maintaining efficiency; ash buildup can cause efficiency drops of up to 10%.
Q2: How is safety ensured?
A2: Modern models come standard with: flame detection, overheat protection, automatic flameout, and backfire prevention. Users must: perform regular maintenance, store fuel away from heat sources, and adhere to the operating manual. A safe access route should be provided during installation.
Q3: How often do wood-burning biomass boilers need maintenance?
A3: Maintenance is divided into multiple levels:
Daily: Check fuel level, boiler temperature, and error messages
Weekly: Empty ash pan, check heat exchanger and flue
Monthly: Lubricate moving parts, check air inlet, test safety devices
Yearly: Deep maintenance by professional technicians is mandatory, including flue cleaning, burner inspection, control system calibration, and replacement of worn parts.
Q:4: Common faults and solutions?
A4:
• Ignition failure → Check fuel moisture/ignition rod
• Incomplete combustion → Clean ash/adjust airflow
• Feed blockage → Check fuel size/moisture
• Abnormal noise → Shut down and check mechanical parts
Hot Tags: biomass wood boiler, China biomass wood boiler manufacturers, suppliers, factory, paddy straw fired boiler, condensing wood pellet boiler, biomass water heater, biomass heating, bark boiler, Wood Pellet Boiler
You Might Also Like
Send Inquiry