YLW series coal-fired/biomass-fired thermal oil heater
- Thermal capacity
1400-29000 kW
- Working pressure
0.8-1.0 MPa
- Outlet temperature
320 °C
- Available fuel
Bituminous coal, anthracite, biomass particles
- Available industries
Chemical,high temperature heating technology for fertilizer, melamine, alumina and so on

The YLW series thermal oil heater, with its horizontal layout and square coil tube design, uses a chain grate system for efficient fuel combustion. It incorporates mechanical features for solid fuel feeding, ventilation, and slag removal. During operation, fuel undergoes radiation and convection heat exchanges, proceeds to the waste heat boiler, and subsequently moves to the air preheater and dust remover. The remaining flue gas is then expelled into the atmosphere, resulting in optimal heat transfer and efficient industrial heating.
- Radiation Section
- Advanced structure, optimized heating surface
- Reduced flue gas dust formation and emission
- Speed Regulator
- Designed with reasonable rotation speed based on combustion characteristics
- Ensures thorough fuel combustion
- Combustion Chamber
- Designed with various chambers based on combustion characteristics
- Convection Section
- Optimized heating surface with fixed and supportive structures
- Effectively extends service life
- Partition Wall
- Smoke partition wall set up in convection heating surface
- Effectively extends usage effect, with improved flue isolation
- Ash Cleaning Door
- Effective ash cleaning structure set up
- Facilitates maintenance, operation, and cleaning
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Broad Fuel Compatibility
Compatible with bituminous coal, lean coal, anthracite and biomass pellets etc.
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High Mechanization
Easy maintenance with minimal staff required.
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Advanced control system
"Precision control of oil temperature and pressure for safety
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Assembly structure saves installation time and cost
Only need to connect pipes, valves, and lines for on-site boiler operation
Model | Rated thermal power (kW) | Rated thermal power (×104kcal/h) | Design working temperature (≤℃) | Rated working pressure (MPa) | Thermal efficiency (≥%) | System installation power (kW) | Maximum transport dimension (m) |
YLW-1400M/AⅡ | 1400 | 120 | 320 | 0.8 | 85 | 55 | 5.0×2.3×2.5 |
YLW-1800M/AⅡ | 1800 | 160 | 320 | 0.8 | 85 | 63 | 5.6×2.3×2.8 |
YLW-2400M/AⅡ | 2400 | 200 | 320 | 0.8 | 85 | 76 | 6.5×2.5×2.8 |
YLW-2800M/AⅡ | 2800 | 240 | 300 | 0.8 | 85 | 85 | 6.5×2.6×3.2 |
YLW-3500M/AⅡ | 3500 | 300 | 320 | 0.8 | 85 | 105 | 7.5×2.6×3.2 |
YLW-4200M/AⅡ | 4200 | 360 | 320 | 0.8 | 85 | 125 | 7.4×2.9×3.3 |
YLW-4600M/AⅡ | 6000 | 500 | 320 | 0.8 | 85 | 155 | 8.4×3.4×3.3 |
YLW-6000M/AⅡ | 7000 | 600 | 320 | 1 | 85 | 170 | 9.0×3.4×3.4 |
YLW-7000M/AⅡ | 8200 | 700 | 320 | 1 | 85 | 193 | 9.8×3.3×4.1 |
YLW-8200M/AⅡ | 4600 | 400 | 320 | 1 | 85 | 150 | 8.0×2.9×3.4 |
YLW-9400M/AⅡ | 9400 | 800 | 320 | 1 | 85 | 160 | 9.8×3.5×4.1 |
YLW-10500M/AⅡ | 10500 | 900 | 320 | 1 | 85 | 160 | 10.5×3.5×4.1 |
YLW-12000M/AⅡ | 12000 | 1000 | 320 | 1 | 85 | 260 | 11.2×3.6×4.1 |
YLW-14000M/AⅡ | 14000 | 1200 | 320 | 1 | 85 | 320 | 10.5×4.0×3.5 |
YLW-16500M/AⅡ | 16500 | 1400 | 320 | 1 | 85 | 380 | 11.5×4.3×3.5 |
YLW-18000M/AⅡ | 18000 | 1600 | 320 | 1 | 85 | 450 | 11.5×4.5×3.5 |
YLW-21000M/AⅡ | 21000 | 1800 | 320 | 1 | 85 | 520 | 11.5×4.5×3.9 |
YLW-23300M/AⅡ | 23300 | 2000 | 320 | 1 | 85 | 600 | 11.5×3.0×4.0 |
YLW-26000M/AⅡ | 26000 | 2200 | 320 | 1 | 85 | 700 | 11.5×3.0×4.0 |
YLW-29200M/AⅡ | 29200 | 2500 | 320 | 1 | 85 | 825 | 12.0×3.3×4.2 |
* The basic parameter table provided is a reference, but ZOZEN Boiler can tailor the boiler device and system to your specific needs. Note that specifications and descriptions may differ from the actual product, and ZOZEN reserves the right to modify them without notice. For additional specifications, please contact us.
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