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Wood Pellet Biomass Steam Boiler Water Tube Automatic Running Boiler
SZL Type Biomass fired boiler features
1. Advanced arch design:
The arch design adopts the latest scientific research patent for
the inferior coal combustion to increase the coal adaptability.
2. Original membrane type water-cooled wall structure:
We adopts the membrane water wall structure and innovates some new
design to increase the structure advantages of high heat transfer
coefficient, good heat transfer effect, low heat loss, good air
tightness and good performance of furnace wall.
3. Special GEF deslagging technology:
Boiler grate adopts the new small scale type fire grate with the
exclusive insurance ring, which overcome the technical problem of
grate falling off. This design reduce the air leakage of the fire
grate, which ensure the stable and reliable grate operation and
greatly improves the combustion efficiency.
4. Reasonable grate sealing structure:
The boiler with capacity less than 4t/h adopts the structure of
side sealing and angle reinforcement plate, the boiler with the
capacity more than 6t/h adopts contact type side seal ing and
bottom sealing structure.
Model | Capacity | Pressure | Feed water temp | Rated steam temp | Active grate area | Boiler heating area | Boiler efficiency | Delivery Mode |
t/h | Mpa | ℃ | ℃ | ㎡ | ㎡ | % | ||
SZH2-1.25/2.5-AII | 2 | 1.25/2.5 | 20 | 194/226 | 2.78 | 69.5 | 81 | Package Bolier |
SZH4-1.25/2.5-AII | 4 | 1.25/2.5 | 20 | 194/226 | 4.5 | 119.2 | 81 | |
SZL2-1.25/2.5-AII | 2 | 1.25/2.5 | 20 | 194/226 | 3.1 | 64.6 | 81.6 | |
SZL4-1.25/2.5-AII | 4 | 1.25/2.5 | 20 | 194/226 | 4.6 | 115.3 | 81.6 | |
SZL6-1.25/2.5-AII | 6 | 1.25/2.5 | 20 | 194/226 | 7.3 | 136.3 | 81.6 | |
SZL8-1.25/2.5-AII | 8 | 1.25/2.5 | 20 | 194/226 | 10.4 | 173 | 81.8 | |
SZL10-1.25/2.5-AII | 10 | 1.25/2.5 | 20 | 194/226 | 11.8 | 233 | 82 | Assembled Boiler |
SZL15-1.25/2.5-AII | 15 | 1.25/2.5 | 20 | 194/226 | 17.7 | 307.3 | 82.3 | |
SZL20-1.25/2.5-AII | 20 | 1.25/2.5 | 20 | 194/226 | 20.8 | 725.2 | 82.3 |
DZL Type Biomass fired boiler features
1. Wing flue
Function:cut down the smoke temperature inside the high temperature
tube plate ,so as to slow down subcooled boiling
Purpose:reduce the thermal load at the bottom of boiler,prevent
tube plate cracking ,prevent convex drum
2. Return water eject to the high temperature tube plate
F: Improve the flow rate of high temperature tube plate and prevent
subcooled boiling
P:prevent the tube plate cracking
3. Ejector pipe
F:Increase the flow rate of water on water cooling wall in order to
prevent subcooled boiling
P:To prevent pipe explosion,Increase the reliability of water cycle
4. Smoke and dust separator chamber
F:Separate smoke and dust according to inertia
P:reduce the original effluent concentration of soot
5. Optimized design CAD
F:Choose the best furnace from dozens of options
P:improve economical efficiency
6. Convex tube plate
Function:improve tube plate flexibility,so as to reduce the heating
stress of welded sew at the pipe end
Purpose:prevent tube plate cracking, cancel bracing,simplify the
structure
7. Large size of simple circulation loop drop pipe and lower set
box
F:Increase the flow rate of water on water cooling wall in order to
prevent subcooled boiling
P:To prevent pipe explosion,Increase the reliability of water cycle
Boiler Model | Capacity | Pressure | Feed water temp. | Steam temp. | Exhaust gas temp. | Design efficiency | Main part weight | Delivery Mode |
t/h | MPa | ℃ | ℃ | ℃ | % | Ton | ||
DZL1-1.0-AII | 1 | 1 | 20 | 184 | 157 | 80 | 14.2 | Package |
DZL2-1.25-AII | 2 | 1.25 | 20 | 194 | 163 | 80 | 23.2 | Package |
DZL4-1.25-AII | 4 | 1.25 | 60 | 194 | 180 | 80 | 28 | Package |
DZL6-1.25-AII | 6 | 1.25 | 60 | 194 | 166 | 80 | 47.6 | Package |
DZL10-1.25-AII | 10 | 1.25 | 105 | 194 | 151 | 80 | 56 | Assembled |
DZL15-1.25-AII | 15 | 1.25 | 105 | 194 | 161 | 81 | 18.8 | Assembled |
DZL20-1.25-AII | 20 | 1.25 | 105 | 194 | 150 | 81 | 19.1 | Assembled and Semi-Assembled |