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Horizontal single drum 1-20 t/h industrial biomass boiler and coal fired steam boiler with ISO9001 Ce ASME
Working principle:
Product industrial biomass boiler's fuel enters the hopper through the feeding machine and starts to burn after reaching the chain grate. Observation doors are provided on the rear panel and on both sides of the grate for easy observation and maintenance. The hot air heated by the air pre-heater enters the grate directly through the blower. This design facilitates the full combustion of the fuel in the furnace. The high-temperature flue gas after combustion enters the convection tube bundle section from the furnace, enters the air pre-heater and the dust collector, and finally the induced draft fan is discharged to the atmosphere through the chimney.
Industrial biomass boiler product Features:
High combustion efficiency
1. The furnace is a full water-cooled combustion chamber. This
structure increases the heating surface of the furnace and
increases the thermal efficiency.
2. The industrial biomass boiler's body adopts a membrane type full sealing structure. The industrial biomass boiler has good sealing performance and no air leakage, which reduces
heat loss and smoke loss and improves thermal efficiency.
3. The grate length is 0.5-1m. This structure prolongs the burning
time, reduces the carbon content of the slag, and improves the
thermal efficiency.
Unique design
1. The whole industrial biomass boiler adopts low thermal inertia design. The advanced water-cooled
closed combustion chamber and the rear arch structure increase the
heat radiation area of the furnace by more than 50%;
2. The boiler adopts the use of light furnace wall, the thermal
inertia of the boiler is reduced by 70%, and the boiler load is
large.
3. The boiler adopts double-side air inlet independent air chamber
structure, which can flexibly adjust the air volume and wind
pressure of each air chamber to ensure the combustion effect.
Reliable work
1. The lower part of the grate is made of light “work” steel, which
is wear-resistant and does not deform. Improve the reliability of
grate operation.
2. The grate adopts a contact sealing structure. At the same time,
the side sealing iron was eliminated when designing the
anti-focusing box, which completely solved the defect that the
grate leakage caused uneven combustion.
3. Light furnace wall structure. The light insulation material
reduces the heat absorption of the furnace wall itself, and the
furnace temperature rises rapidly.
Safeguard
1. The front and rear arches of the boiler are water-cooled “warm
arch” structure, which not only can increase the strength, but also
can maximize the temperature of the furnace arch.
2. Push-pull gate ash cleaning device is adopted. The ram is a
heat-resistant cast iron finishing surface structure, which
effectively prevents secondary combustion deformation and grate
leakage.
DZL coal-fired boilers technical datasheet
DZL Coal Steam Boiler Technical Parameters | |||||
Paraments | DZL1-A-II | DZL2-A-II | DZL 4-A II | DZL8-A II | |
Rated evaporation capacity (T) | 1 | 2 | 4 | 8 | |
Rated working pressure (MPa) | 0.7/1.0/1.25 | 0.7/1.0/1.25 | 1.25/1.6 | 1.25/1.6 | |
Rated steam temperature (℃) | 170/184/194 | 170/184/194 | 194/204 | 194/204 | |
Water-supply temperature(℃) | 20 | 20 | 20 | 20 | |
Boiler heating area (㎡) | 57.47 | 89.4 | 124.9 | 432.22 | |
Grate area (㎡) | 2.7 | 3.45 | 5.9 | 10.81 | |
Exhaust flue gas temperature (℃) | 120.7 | 157 | 167 | 163.41 | |
Thermal Efficiency (%) | 80.42 | 78.4 | 79.7 | 79.36 | |
Size (m) | 5.27*2.5*3.15 | 5.4*2.4*3.48 | 6.18*2.95*3.35 | 9.05*3.2*4.3 | |
Consumption (kg/h) | 155 | 306 | 611 | 1153 | |
Induced Draft Fan | Model | Y9-19-6.3C | GY2-15 | Y6-41-7.1C | Y9-26-10D |
Power(KW) | 5.5 | 11 | 18.5 | 45 | |
Forced Draft Fan | Model | 4-72-3.3A | GG1-15 | G6-41-6.4A | 4-72-5A |
Power(KW) | 2.2 | 3 | 5.5 | 15 | |
Water Pump | Model | 1W2.4-10.5 | 11/2GC-5*7 | 11/2GC-5*7 | 2GC-5*6 |
Power(KW) | 3 | 7.5 | 7.5 | 18.5 | |
Grate Governor Box | Model | WT-4 | WT-5 | WT-6 | WT-10 |
Power(KW) | 0.55 | 0.55 | 0.55 | 1.1 | |
Slag Remover | Model | GBC-1 | GBC-2 | GBC-4 | GBC-8 |
Power(KW) | 1.1 | 1.1 | 1.1 | 1.5 | |
Coal Conveyor | Model | FS-1 | FS-2 | FS-4 | FS-8 |
Power(KW) | 1.1 | 1.1 | 1.1 | 1.5 |