Wood Pellet Fired High Pressure Boiler Superb Fuel Flexibility Long Lifespan

Brand Name:Dehai Boiler
Certification:ASME
Model Number:CFB
Minimum Order Quantity:1 Set
Delivery Time:150 Days
Payment Terms:L/C, T/T
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Address: No.1, Huangqi Road, Li village
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Circulating fluid bed CFB boiler wood pellet fired power plant industrial hot water boiler


CFB High fuel flexibility

1. The main advantage of our boiler is its superb fuel flexibility. Most of the over 90 references around the world are multifuel boilers that combust biomasses and fossil fuels in continuously varying proportions.
2. Cocombustion is an environmentally benign method of combining excellent reliability and availability with great potential to optimize operational costs by allowing several fuel alternatives.
CFB Boiler Low environmental impact

1. As for temperatures inside the furnace, while a regular boiler reaches 1,400-1,500°C, temperatures inside a CFB are in the low range of 800-900°C, thus inhibiting the generation of thermal nitrogen oxides (NOx whose production is dependent on combustion temperature).
2. Further, with the use of two-stage combustion, NOx generation can be limited to less than 100 ppm. When limestone is supplied to the furnace, furnace desulfurization can take place as illustrated by the following chemical equations.
Advantage

1. High burning efficiency, good gas and coal particle mixing,the unburned big particles can be recycled to the hearth and be reused efficiently.
2. De-sulfur efficiency is high,and the burning temperature is low,so,the NOX emission is low.
3. The load can be adjusted in a wide range and with a high speed.
4. The pretreatment system is simple(comparing to the coal powder boiler),the coal residue can be synthetically used.

Main Specifications of Circulation Fluidized Bed Boiler

boiler capacity
items

35t/h75t/h130t/h
rated steam capacity t/h3575130
rated working pressure Mpa3.823.825.3
rated steam temperature℃450450450
feed water temperature ℃105130150
combustion methodCirculation fludized bed combustionCirculation fludized bed combustionCirculation fludized bed combustion
applicable coalCoalCoalCoal
design the fuel low level caloric1267081176520
the coal consumption at full load operation(Kg/h)90452041738792
designed efficiency %88.68888
exit gas temperature ℃150145150
De-sulfur efficiency %888888
fuel particle requirement mm≤10≤8≤10
lime stone particle requirement mm≤2≤2≤2
drum central line elevation mm250002830033000
the highest point elevation l mm267503395054270

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China Wood Pellet Fired High Pressure Boiler Superb Fuel Flexibility Long Lifespan supplier

Wood Pellet Fired High Pressure Boiler Superb Fuel Flexibility Long Lifespan

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