Notes

Application of biomass boiler and wood pellet fuel<br>
Under the pressure of environmental protection as well as power situation, numerous nations has actually executed plans to reduce discharge and also advertise brand-new power. Under this condition, increasingly more coal-fired central heating boilers have actually been replaced by, or updated right into biomass boiler



Conventional coal-fired central heating boilers give off a lot of black smoke as well as sulfur gas. Some of them are not furnished with desulfurizer. They will certainly pollute the bordering areas. To replace them with gas and also electrical power needs excessive efforts as well as expense, a lot of coal-fired central heating boiler proprietor use biomass gas to replace coal. Thinking about most coal-fired central heating boilers are unsuited for biomass gas, there are customized biomass fuel burning gadgets to fix this trouble. They are designed based upon the features of biomass gas as well as decrease the contaminant exhaust.



Various types of biomass pellet boiler

Biomass central heating boiler takes on biomass power, typically biomass pellets, as fuel. According to various power media, they can be categorized right into biomass steam boiler, biomass hot water boiler, biomass warm blast cooktop, biomass thermal oil heating system.



According to their function, biomass central heating boilers can be categorized right into biomass thermal boiler as well as biomass electric power boiler They both produce power by burning biomass gas. Biomass thermal boiler usage thermal power, while biomass electrical power boiler transform the thermal energy into electrical power. Biomass thermal central heating boiler is still one of the most prominent type, whose modern technology is fully grown.



According to the range, biomass thermal boiler can be identified right into 2 kinds.



Tiny biomass boiler

These boilers makes use of strong or gasified biomass gas They produce heat in the form of warm water. Tiny biomass boiler features tiny volume, basic framework, low price, however it has low power conversion performance and reduced energy supply. Small biomass central heating boiler is mostly for residence heating in backwoods and warm water supply.




Massive biomass central heating boiler.

These sort of biomass central heating boiler usage solid biomass gas as well as supply warm water or vapor. The modern technology is fully grown, the energy supply is high, as well as the power loss is reduced. Yet some biomass boiler has gas cocking owing to inadequate burning, and also the assistance facility is not best.



Raw materials for biomass central heating boiler.

Biomass boiler has large source of raw materials. All photosynthetic plants can be made use of as resources, consisting of sawdust, timber chips, rice husk, sunflower seed shell, sorghum stalk, corn stalk, bean stalk, etc. By high-heat and high-pressure processing in the molding equipment, these biomass products are built into columnar biomass fuel. They are fed right into biomass central heating boilers to create warm.



Two common biomass fuels.

Usually, biomass molding gas has 2 types-- biomass briquettes as well as wood pellet fuel. The size of biomass briquettes is greater than 15cm, the size is 30-40mm. They are made by biomass briquette press. Timber pellets is 6-8mm in diameter. They are made by wood pellet mill. poultry feed crumbles machine replace biomass briquettes owing to high density, broad application and also hassle-free making use of. They burns much more completely than biomass briquettes.




Biomass pellet gas has fiber content of 70%. The sulfur material is far lower than coal High density makes it practical to shop as well as transport. It can be applied in different equipment. Biomass pellets burns sufficiently, with less smoke and ash content, as well as the combustion rate is 11% greater than coal.



Advantages of timber pellet gas over coal.

Reduced carbon content: biomass fuels contends most 50% carbon content, so the warmth value is lower than coal.

High hydrogen web content: biomass gas has more volatiles, so they are easier to burn. The carbon and also hydrogen are combined right into low molecular hydrocarbon, which will separate out volatiles at high temperature.

High oxygen content: biomass gas has more oxygen material than coal, so the warm worth is low.

Low density: the density of biomass fuel is lower than coal. Loosen up texture makes it much easier to wear out. industrial pelletizer recurring carbon is less than coal ash.

Reduced sulfur web content: the sulfur web content in biomass fuels are less than 0.12%. You do not require to set up desulfurizer tool.

Low carbon emission: biomass fuel is carbon-neutral, simply put, no carbon exhaust

Waste reuse: the fostering of biomass fuel can make complete use of wastes, and also ease their damage to atmosphere. Besides, the residual ash after burning can be used to create plant food.

Combined firing: Biomass gas can be shed together with coal and enhance the burning efficiency.



Biomass central heating boiler contamination exhaust.

Biomass central heating boiler emit small quantity of air contaminants, and also strong waste that can be reused.



Contaminating gases

Biomass fuel produces little NOx as well as no Co2. The SO2 exhaust is less than 33.6 mg/m3, and also the smoke as well as ash discharge is lower than 46mg/m3. They are much lower than the nationwide requirement.



Solid waste

The main solid waste of biomass central heating boiler is ash. They can be reused by made into potash plant food.



By equipping the biomass central heating boiler with desulfurizing as well as dirt eliminating tool, we can reduce the pollutant exhaust to minimum.



Environmental advantages of biomass central heating boiler

To replace coal with biomass fuel, we can reduce the toxin discharge in ambience. At the same time, the web carbon exhaust of biomass fuel is absolutely no, which can alleviate greenhouse effect.



Fostering of biomass gas is a reliable means to utilize the crop waste. If these plant waste decay under all-natural condition, they will create a great deal of methane, which has higher greenhouse effect. By making them into gas, we can turn waste into wealth.



The recurring ash after burning can be utilized as potash plant food. By doing this, we attain the power reuse amongst straw-- gas-- fertilizer.


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