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How to solve the slagging of biomass central heating boilers?<br>
Biomass boilers embraces biomass wastes or biomass pellets as gas. In the burning of pellet fuels, the volatiles turn into gas and have actually complicated reaction with smoke and also dirt, coagulate and also follow the home heating pipe surface. The slagging and ash deposit will influence the procedure and also safety and security of central heating boilers. In this post, I will evaluate the attributes of slagging, figure out the factor of biomass central heating boiler slagging, and also advanced effective solutions.



Reasons for biomass boiler slagging

The slagging of biomass central heating boilers refers to the ash produced in the burning of biomass gas. At high temperature, the ash remains in fluid or soft solid status. Once they touch the heating surface, they would certainly stick to it and also create into slag.



Biomass gas composition as well as ecological medium

The ash melting point is influenced by the make-up of biomass fuel as well as ecological tool. If there are incompletely ignited fuels, they will certainly make the ecological tool weakly reductive, as well as reduced the melting point. Under this problem, the ash are very easy to affix to the fireplace as well as the wall of superheater. If animal food pellet machine has high moisture web content, the heavy steam will certainly soften potassium, which is the significant content in ash.



Impurities in biomass fuels trigger slagging

A large part of biomass gas are made by more than 1 basic material. In some cases they are mixed with dirt and sand. These impurities altered the structure and melting temperature level of biomass gas. With high ash and also alkali steel web content, these unclean biomass gas are easier to trigger slagging.



Not enough air in central heating boilers for burning

Occasionally the biomass fuels are distributed unevenly in central heating boilers. They become high temperature combustion mass as well as melt with inadequate oxygen, which will create slagging. Not enough air flow amount will raise the slagging degree. Therefore, to stay clear of biomass boiler slagging, you ought to manage the percentage of gas as well as air.



You can change the air percentage by removing some fuels. Besides, slagging might emerge from central heating boiler issues. The feeding tool can trigger gas piling and worsen slagging.



Uneven warm circulation of central heating boiler surface


The central heating boiler inside temperature level and also heat circulation have great effect on the slagging. As experience shows, slagging usually appears in flue as well as superheater surface. When the liquid or soft strong ash move toward the heating surface area, it don't have adequate time to cool down, so it is very easy to adhere to the heating surface area and build up. As looks into proved, the greater the central heating boiler temperature level, the even more slagging. Slagging influence the heat exchange of boiler surface, obstruct the flue, boost the smoke flow speed, as well as worsen the home heating surface wear.



How to address the slagging of biomass boilers?

Currently we know the slagging of biomass central heating boilers emerges from the biomass gas properties as well as central heating boiler style. To reduce the slagging, we ought to select premium quality biomass pellets and high-efficiency central heating boilers, and control the feeding speed. But browse around this site can not eradicate slagging completely. You need to clean the biomass central heating boilers frequently.



Heavy steam residue blower

Generally, they utilize heavy steam soot blower to get rid of slagging in boilers, however the cleaning effect is barely sufficient. They have to clean the central heating boiler with high-pressure water.



The potassium in biomass fuel generate silicon in burning and also reduced the softening temperature to 800 ℃, which remains in the range of superheater. So the soften ash is simple to affix to the warmth wall surface as well as tough to be gotten rid of by heavy steam residue blower



Besides, steam soot blowers has complying with negative aspects. The central heating boilers cleaned by heavy steam residue blower need to wait on 15 days for following usage. The removing area is limited, with some dead angles. As the soot blowing interval is long, there are way too much ash transferred in the home heating surface area. They might sintered and also set, and also increase the cleansing problems.



defocusing prevention and also pulse gas ash blower.

Nowadays, lots of biomass central heating boilers embrace defocusing prevention and pulse gas ash blower to fix biomass boiler slagging and also accomplished exceptional result.



Defocusing inhibitor is a fuel additive with high melting point as well as burning improver. When it is splashed right 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 also create steel movie on the pipe surface area to prevent acid dew point corrosion.



Pulse gas ash blower can get rid of the ash deposit on the boiler heating surface by purging, acoustic tiredness, thermal cleansing as well as local resonance. At last, the gas flow remove the ash.



Select the best means to fix slagging issue

To use premium quality biomass fuels in boilers can reduce slagging, but the cost will certainly raise. If you need to utilize poor quality biomass fuels, which has high dampness as well as impurities material, slagging is unpreventable. To guarantee the secure running of boilers, you can combine defocusing prevention and also pulse gas ash blower to properly resolve the slagging problem.

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