Notes

Application of biomass boiler as well as timber pellet gas<br>
Under extruder pelletizer of environmental protection and also power dilemma, lots of nations has performed policies to cut exhaust and also promote brand-new power. Under this problem, an increasing number of coal-fired central heating boilers have been changed by, or updated into biomass boiler



Typical coal-fired central heating boilers discharge a great deal of black smoke and also sulfur gas. Several of them are not equipped with desulfurizer. They will certainly pollute the bordering areas. To replace them with gas and electricity calls for way too much initiatives as well as expense, numerous coal-fired central heating boiler owner usage biomass gas to replace coal. Thinking about most coal-fired central heating boilers are unsuited for biomass gas, there are specialized biomass fuel burning gadgets to address this issue. They are made based on the characteristics of biomass fuel and lessen the contaminant exhaust.



Various sorts of biomass pellet boiler

Biomass central heating boiler adopts biomass power, typically biomass pellets, as gas. According to different power media, they can be classified right into biomass vapor boiler, biomass hot water central heating boiler, biomass warm blast range, biomass thermal oil heating system.




According to their function, biomass boilers can be categorized right into biomass thermal central heating boiler as well as biomass electrical power boiler They both generate power by melting biomass gas. Biomass thermal central heating boiler usage thermal power, while biomass electrical power boiler turn the thermal power into electrical power. Biomass thermal boiler is still one of the most preferred kind, whose modern technology is mature.



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



Tiny biomass central heating boiler

These central heating boilers makes use of solid or gasified biomass gas They create heat in the form of warm water. Small biomass central heating boiler includes little volume, basic structure, affordable price, but it has reduced power conversion performance as well as reduced energy supply. Little biomass boiler is primarily for home heating in rural areas and hot water supply.



Large biomass boiler.

These sort of biomass boiler usage solid biomass fuel and also offer hot water or steam. The innovation is fully grown, the energy supply is high, as well as the power loss is low. But some biomass boiler has gas cocking owing to inadequate burning, as well as the support center is not excellent.



Raw materials for biomass boiler.

Biomass boiler has wide resource of resources. All photosynthetic plants can be made use of as basic materials, consisting of sawdust, wood chips, rice husk, sunflower seed covering, sorghum stalk, corn stalk, bean stalk, etc. By high-heat as well as high-pressure handling in the molding equipment, these biomass materials are formed into columnar biomass gas. They are fed right into biomass boilers to produce warmth.



Two common biomass fuels.

Typically, biomass molding fuel has 2 types-- biomass briquettes and also timber pellet gas. The size of biomass briquettes is greater than 15cm, the diameter is 30-40mm. They are made by biomass briquette press. Timber pellets is 6-8mm in size. They are made by wood pellet mill. Timber pellet gas slowly replace biomass briquettes owing to high density, vast application and also hassle-free using. They burns extra completely than biomass briquettes.



Biomass pellet fuel has fiber web content of 70%. The sulfur material is much lower than coal High density makes it convenient to store and transport. It can be used in different equipment. fish feed pellet machine burns sufficiently, with much less smoke and ash material, and the combustion speed is 11% more than coal.




Benefits of timber pellet gas over coal.

Low carbon material: biomass fuels contends the majority of 50% carbon material, so the warm worth is less than coal.

High hydrogen material: biomass gas has even more volatiles, so they are much easier to melt. The carbon and hydrogen are integrated into low molecular hydrocarbon, which will separate out volatiles at high temperature.

High oxygen web content: biomass fuel has more oxygen web content than coal, so the warm value is low.

Low thickness: the thickness of biomass gas is less than coal. Loosen texture makes it much easier to stress out. The recurring carbon is less than coal ash.

Reduced sulfur material: the sulfur material in biomass gas are less than 0.12%. You do not need to mount desulfurizer device.

Low carbon discharge: biomass gas is carbon-neutral, to put it simply, absolutely no carbon discharge

Waste recycle: the adoption of biomass gas can make full use of wastes, and also soothe their damage to environment. Besides, the recurring ash after burning can be used to produce fertilizer.

Combined firing: Biomass fuel can be melted along with coal and also enhance the combustion efficiency.



Biomass central heating boiler contamination exhaust.

Biomass boiler release small quantity of air pollutants, as well as solid waste that can be reused.



Polluting gases

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



Strong waste

The main solid waste of biomass central heating boiler is ash. They can be recycled by made right into potash fertilizer.



By equipping the biomass central heating boiler with desulfurizing as well as dust eliminating device, we can lower the contaminant exhaust to minimum.



Ecological benefits of biomass boiler

To replace coal with biomass gas, we can decrease the toxin discharge in environment. On the other hand, the web carbon emission of biomass gas is zero, which can ease pollution.



Adoption of biomass gas is a reliable way to use the plant waste. If these crop waste degeneration under natural problem, they will generate a lot of methane, which has greater greenhouse effect. By making them into fuel, we can turn waste right into wealth.



The recurring ash after burning can be made use of as potash plant food. In this way, we accomplish the power recycle among straw-- fuel-- fertilizer.


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