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Exactly how to fix the slagging of biomass boilers?<br>
Biomass boilers embraces biomass wastes or biomass pellets as gas. In the burning of pellet fuels, the volatiles become gas as well as have made complex reaction with smoke as well as dust, coagulate as well as adhere to the heating pipeline surface. The slagging and ash deposit will certainly impact the operation as well as safety of central heating boilers. In this write-up, I will certainly assess the attributes of slagging, discover the factor of biomass central heating boiler slagging, as well as put forward efficient options.



Factors for biomass central heating boiler slagging

The slagging of biomass boilers refers to the ash generated in the burning of biomass fuel. At high temperature, the ash is in fluid or soft strong standing. Once they touch the home heating surface area, they would certainly comply with it and also form into slag.



Biomass gas structure as well as ecological tool

The ash melting point is affected by the structure of biomass gas and environmental medium. If there are incompletely ignited gas, they will make the ecological tool weakly reductive, and also lower the melting point. Under this problem, the ash are easy to attach to the fireplace and the wall of superheater. If the biomass gas has high moisture web content, the steam will soften potassium, which is the major content in ash.



Impurities in biomass gas trigger slagging

A huge part of biomass fuels are made by more than 1 resources. Occasionally they are combined with dust as well as sand. These contaminations altered the structure as well as melting temperature of biomass fuels. With high ash and alkali steel content, these impure biomass gas are simpler to create slagging.



Inadequate air in central heating boilers for burning

Often the biomass fuels are distributed erratically in central heating boilers. They come to be heat combustion mass and also burn with inadequate oxygen, which will create slagging. biomass pellet making machine will boost the slagging degree. Therefore, to avoid biomass central heating boiler slagging, you must manage the percentage of gas and also air.





You can readjust the air proportion by removing some fuels. Besides, slagging might occur from central heating boiler troubles. The feeding gadget can cause fuel piling as well as intensify slagging.



Uneven warmth distribution of boiler surface

The boiler inside temperature level and also warmth circulation have fantastic influence on the slagging. As experience programs, slagging normally appears in flue and superheater surface area. When the liquid or soft solid ash approach the heating surface, it don't have enough time to cool down, so it is simple to abide by the heating surface area and also gather. As investigates shown, the higher the central heating boiler temperature level, the more slagging. Slagging impact the warmth exchange of boiler surface area, block the flue, enhance the smoke flow rate, and worsen the heating surface wear.



Exactly how to address the slagging of biomass central heating boilers?

Now we know the slagging of biomass boilers occurs from the biomass fuel properties as well as central heating boiler design. To decrease the slagging, we ought to select premium quality biomass pellets and also high-efficiency central heating boilers, and also regulate the feeding speed. However you can't remove slagging entirely. You need to clean up the biomass boilers frequently.



Heavy steam soot blower

Traditionally, they make use of vapor soot blower to remove slagging in boilers, however the cleaning result is hardly satisfactory. They have to wash the central heating boiler with high-pressure water.



The potassium in biomass fuel produce silicon in burning and also lower the softening temperature to 800 ℃, which remains in the series of superheater. So the soften ash is simple to attach to the heat wall surface and also tough to be gotten rid of by steam residue blower



Besides, heavy steam residue blowers has following disadvantages. animal feed pellet maker cleaned by vapor soot blower need to wait for 15 days for following use. The removing location is limited, with some dead angles. As the residue blowing period is long, there are too much ash transferred in the home heating surface area. They may sintered and also solidify, and also increase the cleaning problems.



defocusing inhibitor and pulse gas ash blower.

Nowadays, lots of biomass central heating boilers take on defocusing prevention as well as pulse gas ash blower to address biomass boiler slagging and also accomplished exceptional effect.



Defocusing inhibitor is a gas additive with high melting point and combustion improver. When it is sprayed into the fireplace, it will combine with fly ash and stick to the half-melt ash. It will certainly alter the melting point of ash and also destroy slagging. It can additionally create metal film on the pipeline surface to stop acid humidity rust.



Pulse gas ash blower can get rid of the ash down payment on the boiler home heating surface by removing, acoustic tiredness, thermal cleaning and also regional resonance. Finally, the gas circulation remove the ash.



Select the very best way to resolve slagging problem

To use premium quality biomass fuels in boilers can lower slagging, yet the price will increase. If you have to use poor quality biomass gas, which has high wetness and also impurities content, slagging is inescapable. To make certain the stable operating of central heating boilers, you can combine defocusing prevention as well as pulse gas ash blower to properly fix the slagging problem.


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