How to improve the combustion efficiency of biomass heating boilers

2020-03-02

Under the influence of national energy conservation and environmental protection policies, heating boilers generally use biomass fuel. Biomass heating boilers are boilers that use biomass particulate fuel to provide centralized heating. The annual production of biomass energy far exceeds the world’s total energy demand. , Equivalent to 10 times the world’s total energy consumption, so the use of biomass heating boilers in winter is of great significance.

In order to make the boiler energy-saving, it is necessary to improve the combustion efficiency of biomass heating boilers. Like other boilers, to improve the combustion efficiency of biomass heating boilers, it is necessary to ensure that the furnace does not slag, and at the same time ensure that the boiler has a fast burning rate .

1. Sufficient oxygen: If the excess air coefficient is too small, that is, the air supply is insufficient, it will increase the solid incomplete combustion heat loss q4 and the combustible gas incomplete combustion heat loss q3, which will reduce the combustion efficiency; if the excess air coefficient is too large , It will reduce the furnace temperature and increase incomplete combustion heat loss. The optimal excess air coefficient minimizes the sum of q2 q3 q4.

2. Adopting anti-scaling and descaling technologies: By using a biomass heating boiler descaling agent and an electronic anti-scaling device, the water vapor circulation system is optimized, and the boiler’s blowdown rate is reasonably controlled, thereby reducing scale and improving boiler thermal efficiency.

3. Maintain a reasonable flame front position for biomass heating boiler fuel. The flame front should be located between the high-end grate and the middle grate, and the flame is full on the grate.

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