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How to solve the slagging of biomass central heating boilers?<br>
poultry feed machine olx embraces biomass wastes or biomass pellets as gas. In the burning of pellet gas, the volatiles turn into gas and have made complex response with smoke and also dirt, coagulate and adhere to the home heating pipe surface area. The slagging as well as ash deposit will impact the procedure and also security of central heating boilers. In pan pelletizer , I will evaluate the attributes of slagging, learn the reason of biomass central heating boiler slagging, as well as put forward reliable solutions.



Reasons for biomass boiler slagging

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



Biomass fuel make-up and environmental tool

The ash melting point is impacted by the structure of biomass fuel as well as ecological medium. If there are incompletely ignited gas, they will certainly make the ecological tool weakly reductive, as well as lower the melting point. Under this problem, the ash are very easy to attach to the hearth as well as the wall surface of superheater. If the biomass gas has high wetness material, the steam will certainly soften potassium, which is the major web content in ash.



Impurities in biomass gas create slagging

A large part of biomass fuels are made by more than 1 basic material. Occasionally they are blended with dust and also sand. These impurities transformed the structure and melting temperature level of biomass fuels. With high ash as well as alkali steel web content, these unclean biomass fuels are easier to trigger slagging.



Inadequate air in central heating boilers for burning

Occasionally the biomass fuels are distributed unevenly in boilers. They come to be high temperature combustion mass as well as melt with insufficient oxygen, which will cause slagging. Insufficient air flow quantity will raise the slagging degree. For that reason, to prevent biomass boiler slagging, you should regulate the proportion of gas and also air.



You can adjust the air percentage by getting rid of some gas. Besides, slagging may emerge from boiler troubles. The feeding tool can create gas stacking and worsen slagging.



Uneven warm distribution of central heating boiler surface area

The boiler inside temperature and also warm circulation have great impact on the slagging. As experience shows, slagging normally shows up in flue as well as superheater surface. When the liquid or soft strong ash approach the heating surface, it don't have sufficient time to cool off, so it is easy to abide by the heating surface as well as build up. As looks into proved, the higher the boiler temperature level, the more slagging. Slagging influence the warmth exchange of boiler surface, obstruct the flue, raise the smoke flow rate, and also exacerbate the home heating surface wear.



Just how to resolve the slagging of biomass boilers?

Now we understand the slagging of biomass central heating boilers emerges from the biomass fuel residential or commercial properties as well as central heating boiler layout. To reduce the slagging, we ought to select excellent quality biomass pellets as well as high-efficiency boilers, and manage the feeding rate. But you can not get rid of slagging totally. You need to clean the biomass central heating boilers frequently.



Vapor soot blower

Commonly, they use vapor residue blower to eliminate slagging in boilers, but the cleansing result is hardly satisfactory. They have to wash the central heating boiler with high-pressure water.



The potassium in biomass gas create silicon in burning as well as lower the softening temperature to 800 ℃, which remains in the variety of superheater. So the soften ash is simple to attach to the warm wall surface as well as hard to be eliminated by vapor residue blower



Besides, vapor residue blowers has adhering to downsides. The central heating boilers cleansed by heavy steam residue blower have to await 15 days for next usage. The removing location is limited, with some dead angles. As the soot blowing period is long, there are too much ash transferred in the home heating surface. They may sintered and also harden, and boost the cleaning difficulties.




defocusing inhibitor and also pulse gas ash blower.

Nowadays, many biomass central heating boilers adopt defocusing inhibitor as well as pulse gas ash blower to solve biomass boiler slagging and accomplished exceptional result.



Defocusing inhibitor is a fuel additive with high melting point as well as combustion improver. When it is sprayed into the hearth, it will blend with fly ash and stay with the half-melt ash. It will certainly alter the melting point of ash and ruin slagging. It can also form metal movie on the pipeline surface to prevent acid dew point deterioration.



Pulse gas ash blower can get rid of the ash down payment on the boiler heating surface area by purging, acoustic tiredness, thermal cleansing and local resonance. Finally, the gas circulation eliminate the ash.



Pick the most effective method to fix slagging problem

To make use of premium quality biomass gas in central heating boilers can reduce slagging, but the cost will certainly raise. If you need to utilize low quality biomass fuels, which has high dampness and impurities material, slagging is unavoidable. To ensure the stable running of boilers, you can combine defocusing prevention and pulse gas ash blower to successfully address the slagging problem.

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