Notes

Application of biomass boiler as well as timber pellet fuel<br>
Under the pressure of environmental protection as well as energy dilemma, numerous nations has performed plans to reduce exhaust as well as advertise brand-new power. Under this problem, an increasing number of coal-fired boilers have actually been changed by, or updated into biomass boiler



Traditional coal-fired central heating boilers give off a lot of black smoke and sulfur gas. Several of them are not outfitted with desulfurizer. They will pollute the bordering locations. To replace them with gas and also electrical power calls for excessive efforts and cost, numerous coal-fired central heating boiler proprietor use biomass fuel to change coal. Thinking about most coal-fired boilers are unsuited for biomass fuel, there are customized biomass fuel burning devices to address this problem. They are developed based upon the qualities of biomass gas and also reduce the contaminant discharge.




Various sorts of biomass pellet central heating boiler

Biomass central heating boiler adopts biomass energy, usually biomass pellets, as fuel. According to various energy media, they can be categorized right into biomass vapor boiler, biomass warm water central heating boiler, biomass hot blast stove, biomass thermal oil heater.



According to their function, biomass boilers can be categorized into biomass thermal boiler and biomass electrical power boiler They both generate power by shedding biomass gas. Biomass thermal central heating boiler use thermal power, while biomass electric power boiler turn the thermal energy into electrical power. Biomass thermal central heating boiler is still one of the most preferred type, whose technology is mature.



According to the scale, biomass thermal boiler can be categorized into 2 types.



Little biomass central heating boiler

These boilers utilizes strong or gasified biomass fuels They produce warm in the form of warm water. Little biomass central heating boiler features little volume, basic structure, affordable price, but it has reduced energy conversion efficiency as well as reduced power supply. Little biomass boiler is mainly for home heating in rural areas and also warm water supply.



Large-scale biomass central heating boiler.

These sort of biomass boiler use strong biomass fuel as well as supply hot water or steam. The modern technology is mature, the power supply is high, and the power loss is reduced. However some biomass central heating boiler has fuel cocking owing to inadequate burning, and also the assistance center is not perfect.



Basic material for biomass boiler.

Biomass central heating boiler has wide resource of raw materials. All photosynthetic plants can be made use of as resources, consisting of sawdust, wood chips, rice husk, sunflower seed covering, sorghum stalk, corn stalk, bean stalk, and so on. By high-heat and high-pressure handling in the molding tools, these biomass products are built into columnar biomass gas. pelleting machine price are fed into biomass central heating boilers to produce heat.



2 common biomass fuels.

Normally, biomass molding fuel has 2 types-- biomass briquettes as well as timber pellet gas. The length of biomass briquettes is greater than 15cm, the diameter is 30-40mm. richi machinery are made by biomass briquette press. Timber pellets is 6-8mm in size. They are made by wood pellet mill. Wood pellet gas progressively fill in biomass briquettes owing to high density, wide application and also convenient utilizing. They burns extra sufficiently than biomass briquettes.



Biomass pellet fuel has fiber web content of 70%. The sulfur material is much lower than coal High thickness makes it hassle-free to store as well as transportation. It can be applied in various equipment. Biomass pellets burns sufficiently, with much less smoke as well as ash material, and the burning rate is 11% greater than coal.



Benefits of timber pellet gas over coal.

Reduced carbon web content: biomass gas contends the majority of 50% carbon web content, so the warm worth is less than coal.

High hydrogen material: biomass gas has more volatiles, so they are easier to burn. The carbon and also hydrogen are combined into reduced molecular hydrocarbon, which will certainly separate out volatiles at heat.

High oxygen web content: biomass gas has even more oxygen material than coal, so the warmth value is reduced.

Reduced thickness: the thickness of biomass fuel is lower than coal. Loosen up structure makes it much easier to stress out. The recurring carbon is lower than coal ash.

Reduced sulfur web content: the sulfur material in biomass fuels are less than 0.12%. You don't require to mount desulfurizer device.

Low carbon emission: biomass fuel is carbon-neutral, in other words, absolutely no carbon exhaust

Waste reuse: the adoption of biomass fuel can make full use wastes, and also alleviate their damage to environment. Besides, the residual ash after melting can be made use of to generate fertilizer.

Combined shooting: Biomass gas can be burned together with coal and improve the combustion effectiveness.



Biomass boiler air pollution emission.

Biomass central heating boiler produce small quantity of air contaminants, as well as solid waste that can be reused.



Polluting gases

Biomass gas produces little NOx and also no carbon dioxide. The SO2 emission is lower than 33.6 mg/m3, and also the smoke and also ash emission is lower than 46mg/m3. They are far lower than the nationwide standard.




Strong waste

The major strong waste of biomass boiler is ash. They can be recycled by made right into potash plant food.



By furnishing the biomass boiler with desulfurizing and dirt eliminating gadget, we can decrease the pollutant emission to minimum.



Ecological advantages of biomass boiler

To change coal with biomass fuel, we can decrease the contaminant exhaust in atmosphere. Meanwhile, the net carbon discharge of biomass fuel is absolutely no, which can ease greenhouse effect.



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



The recurring ash after melting can be used as potash fertilizer. By doing this, we accomplish the power recycle amongst straw-- fuel-- fertilizer.


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