SZL Series Assembled Water Tube Steam Boiler
The SZL series assembled water-tube steam boiler is a double-boiler-tube water-tube chain grate boiler designed for high efficiency and reliable performance. The boiler features two cylindrical shells arranged longitudinally along the center, with the front part of the upper cylindrical shell and water-cooled tubes forming the radiant heating surface, while the tube bundle between the upper and lower cylindrical shells creates the convective heating surface.
Key structural advantages include compact design with minimal floor space requirements, single-floor boiler room arrangement reducing construction investment, high assembly degree for shorter installation periods and lower costs, comprehensive heat transfer surface arrangement for rapid heating and pressurization, sufficient output, and high thermal efficiency.
Applications
- Industrial Heating: Widely used in food processing, pulp and paper production, and chemical manufacturing for heating needs while reducing energy costs and carbon emissions
- Waste Treatment: Processes agricultural waste, tree pruning, crop straw, rice husks, peanut shells, sugarcane residue, palm shells, coconut shells, and wood processing waste
- Power Generation: Converts thermal energy from biomass combustion into steam to drive turbine generators for electricity production
- Environmental Benefits: Clean combustion process with reduced exhaust gas and emissions, significantly lowering greenhouse gas emissions and air pollution compared to traditional coal boilers
Specification Parameters
Main Boiler Specifications
| Item |
SZL2.8 Series |
SZL4.2 Series |
SZL5.6 Series |
SZL7 Series |
SZL10.5 Series |
SZL14 Series |
SZL21 Series |
SZL29 Series |
SZL35 Series |
| Rated Thermal Power (MW) |
2.8 |
4.2 |
5.6 |
7 |
10.5 |
14 |
21 |
29 |
35 |
| Rated Outlet Water Pressure (MPa) |
0.7 / 1 |
1 |
1 |
1 |
1 |
1 |
1.25 |
1.25 |
1.25 |
| Rated Outlet Water Temperature (°C) |
95 / 115 |
115 |
115 |
115 |
115 |
115 |
115 |
130 |
130 |
| Boiler Efficiency (%) |
>79 |
>81 |
>81 |
>81 |
>81 |
>81 |
>80 |
>80.3 |
>80 |
| Fuel Consumption (kg/h) |
620 |
950 |
1250 |
1540 |
2180 |
3083 |
5778 |
7713 |
9358 |
Auxiliary Equipment Specifications
| Component |
SZL2.8 Series |
SZL4.2 Series |
SZL5.6 Series |
SZL7 Series |
SZL10.5 Series |
Induced Draft Fan
Model
Air Volume (m³/h)
Motor Power (kW) |
GY4-18 3#
13900
37 |
GY6-18 4#
18000
37 |
GY8-18
26163
45 |
GY10-18
32000
36 |
Y5-47 12D
41540
75 |
Forced Draft Fan
Model
Air Volume (m³/h)
Motor Power (kW) |
GG4-12*4
6000
7.5 |
GG6-1
8750
7.5 |
GG8-1
12000
11 |
10TG-No8.01
15000
15 |
G4-73-119D
24000
30 |
Water Supply Pump
Model
Flow Rate (m³/h)
Motor Power (kW) |
JGGC4-88/11
4
2.2 |
JGGC8-112/14
8
5.5 |
JGGC8-104/13
8
5.5 |
JGGC10-112/16
8
5.5 |
JGGC10-112/16
10
5.5 |
Key Advantages
High Efficiency Design: Water tube structure enables faster heat transfer and higher output compared to traditional boilers
Environmental Sustainability: Biomass fuel significantly reduces carbon emissions and promotes renewable energy use
Complete Combustion: Chain grate system ensures thorough fuel burning, improving efficiency and reducing waste
Easy Installation: Assembled design reduces construction time and labor costs
Intelligent Control: Advanced control system ensures safe, stable operation with multiple safety protections
Fuel Flexibility: Supports various fuel types including bituminous coal and biomass materials
Global Market Presence
The SZL Series biomass boiler is extensively exported to Asia, Europe, Africa, and South America. With growing global demand for clean energy solutions, this biomass boiler has become the preferred choice for industries seeking efficient and environmentally friendly steam generation equipment.
In summary, the SZL Series Assembled Water Tube Steam Boiler represents a powerful, efficient, and sustainable biomass boiler solution designed to meet the demanding requirements of modern industries worldwide.
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