Introduction

Wood Biomass Fired Hot Air Furnace
Yuanda biomass hot air boiler is designed to provide a reliable supply of clean, high-temperature hot air for industrial heating and drying applications. It uses renewable biomass fuels such as wood chips, wood pellets, sawdust, rice husks and other agricultural or forestry residues as fuel.
Wide capacity range: 350–21,000 kW
Biomass fuel: Wood chips, wood pellets, sawdust, rice husks and other biomass fuels
Direct hot air supply: Provides hot air for industrial heating and drying processes
High-efficiency heat exchange: Separates combustion flue gas from clean process air
Adjustable hot air temperature: Designed according to the specific process requirements
Automatic or semi-automatic fuel feeding: Fuel feeding system can be customized according to fuel characteristics
Complete system configuration: Available with fuel feeding, combustion, heat exchange, dust removal, induced draft fan and chimney systems
Flexible customization: Capacity, temperature, fuel feeding method and auxiliary equipment can be designed according to the project
How Does a Biomass Hot Air Boiler Work?
The biomass fuel is fed into the combustion chamber through the fuel feeding system and burned on the grate. The combustion process generates high-temperature flue gas.
The high-temperature flue gas passes through the heat exchanger and transfers heat to the process air. The heated air is then delivered to the drying or heating equipment, while the flue gas passes through the dust removal system before being discharged through the chimney.
Advantages
1. Perfect and Complete Combustion
The reciprocating motion can make the fuel disperse and turn over perfectly during the combustion process, so the combustion is perfect and complete.
2. Good insulation and high thermal efficiency
The thermal insulation layer is 600mm, less heat loss and complete combustion can guarantee 90% thermal efficiency.
3. Long life
The combustion chamber frame is made of high-strength steel and lined with cast heat-resistant cement and refractory bricks. The grate bars are made of heat-resistant alloy steel. Normal life expectancy is 10 years.
4. Automatic operation
Fuel feeding, ash discharge and grate movement are fully automatic.
5. Stable output temperature
Temperature control is achieved by precisely adjusting combustion air, grate movement and feeding speed. The grate drive motor is of the stepless speed regulation type.
6. Safety measures
Equipped with exhaust fans to generate negative pressure combustion conditions. The ash removal port is water-sealed. Negative pressure and sealed combustion chamber ensure safe operation and cooling of the grate.
Related Wood Biomass Boiler
Capacity: 0.5ton-75ton
Type: Vertical, Horizontal
Combustion technology: chain grate, travelling (fixed) grate, reciprocating grate, circulating fluidized
Combustion: biomass, wood, briquette, pellets, sawdust, ricehusk, palm kernel shell, palm fibre, peanut shells, agro waste
From system design and manufacturing to installation, commissioning, and after-sales service, we provide one-stop turnkey biomass boiler solutions for various industrial applications.
Technical Parameter

| Model | YDHT 0.058 | YDHT 0.088 | YDHT 0.12 | YDHT 0.175 | YDHT 0.24 | YDHT 0.35 | YDHT 0.54 | YDHT 0.7 | YDHT 1.05 | YDHT 1.4 | YDHT 2.1 | YDHT 2.8 | YDHT 4.2 | YDHT 5.6 | YDHT 7.0 |
| Working Pressure | Atmospheric pressure | ||||||||||||||
| Thermal Efficiency | 93% | ||||||||||||||
| Rated Capacity kw | 58 | 88 | 120 | 175 | 240 | 350 | 540 | 700 | 1050 | 1400 | 2100 | 2800 | 4200 | 5600 | 7000 |
| Rated Capacity (*10000) kcal | 5 | 7.5 | 10 | 15 | 20 | 30 | 45 | 60 | 90 | 120 | 180 | 240 | 360 | 480 | 600 |
| Induced Fan (w) | 120 | 370 | 370 | 550 | 750 | 1100 | 1500 | 1500 | 2200 | 2200 | 3000 | 5500 | 5500 | 7500 | 7500 |
| Forced Fan (w) | 120 | 240 | 240 | 330 | 400 | 550 | 370 | 550 | 1500 | 1500 | 2200 | 3000 | 3000 | 5500 | 5500 |
| Fuel Consumption | 11.95 | 17.92 | 23.29 | 35.84 | 47.89 | 71.68 | 107 | 143 | 215 | 286 | 430 | 573 | 857 | 1142 | 1428 |
| Chimney Diameter(mm) | 140 | 165 | 165 | 165 | 165 | 165 | 273 | 273 | 350 | 350 | 350 | 450 | 450 | 550 | 550 |
| Transportation Weight(kg) | 828 | 1000 | 1150 | 1360 | 1460 | 1650 | 1980 | 2370 | 3120 | 4100 | 6150 | 7035 | 8350 | 9200 | 10300 |
| Note: Parameter is for reference only, if any changes should follow the factory technical data. | |||||||||||||||
About us

Yuanda Products
steam boiler, steam generator, hot water boiler, thermal oil heater boiler, hot air furnace, waste incinerator.
Various Structure
vertical, horizontal, fire tube boiler, water tube boiler, coils heater boiler, water membrane wall structure, sing drum, double drum...
Application
widely in all industries productions heating drying process, building central heating system, electricity generation.
About us
Yuanda Boiler Company established in 1956, qualified by ISO, CE, ASME, EAC, DOSH, and CRN, ensuring safety, reliability, and quality.
Yuanda Service

We provide tailored boiler solutions. Our team shares catalogues, evaluates your working conditions, and recommends the most suitable model for your needs.
✅ Design & Manufacture
Customized boiler design and system diagram. High-standard manufacturing with strict quality control, certified by ISO, CE, ASME, and more.
✅ Boiler Foundation Preparation
Complete foundation drawings, piping layout, and operation documents to ensure smooth installation and operation.
✅ Engineer Service
On-site guidance for installation and commissioning. Professional training for operators to ensure safe and efficient boiler operation.
✅ After-Sales Support
24/7 online technical assistance, spare parts supply, and regular maintenance services — ensuring long-term reliable performance.
Henan Yuanda Boiler Corp Ltd
We are a fully integrated manufacturer specializing in the design, engineering, manufacturing, installation, and after-sales service of industrial boilers and incinerators. Our products are available with internationally recognized certifications, including ASME, CE PED, ISO 9001, EAC, DOSH, and CRN.
With nearly 70 years of manufacturing experience and more than 20 years of export expertise, we supplied industrial heating equipment to over 135 countries and regions across Asia, Europe, Africa, North America, South America, and Oceania.
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