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Vietnamese biomass pellet processing enterprises mainly use agricultural and forestry waste (such as wood chips, straw, rice husks, etc.) to produce biomass fuel pellets. In order to improve the energy efficiency of the production line and reduce operating costs, the company introduced a biomass boiling furnace for heating, drying and steam supply to replace traditional coal-fired boilers.
Functions of biomass fluidized bed furnace
1. Efficient heat supply to ensure pellet drying
Drying stage: The moisture content of biomass raw materials needs to be reduced to 10%~15% before pelletizing. Traditional hot air furnaces have high energy consumption and unstable temperature. The thermal energy utilization rate is over 85%, which is 15%~20% energy-saving than coal-fired boilers.
2. Fuel self-sufficiency and reduced energy costs
Fuel source: Unqualified pellets, dust, and crushed materials (accounting for about 5%~10% of the output) of the production line itself are used as fluidized bed furnace fuel; additional low-priced agricultural and forestry waste (such as sawdust and fruit shells) are mixed to reduce dependence on purchased energy.
3. Environmental protection meets standards and achieves clean production
Low emissions: low-temperature combustion + limestone desulfurization in the furnace, SO₂ emissions <50mg/m³, NOx <200mg/m³.
