Notes

Application of biomass boiler as well as timber pellet gas<br>
Under the pressure of environmental management and also power situation, numerous countries has actually executed plans to cut discharge and advertise new energy. Under this condition, increasingly more coal-fired central heating boilers have been changed by, or upgraded right into biomass boiler



Conventional coal-fired central heating boilers give off a great deal of black smoke and also sulfur gas. Some of them are not equipped with desulfurizer. They will pollute the surrounding areas. To change them with gas as well as electrical energy calls for too much efforts as well as cost, a lot of coal-fired boiler proprietor use biomass gas to change coal. Thinking about most coal-fired boilers are unsuited for biomass fuel, there are specific biomass gas burning gadgets to fix this issue. small pellet press are designed based on the features of biomass gas and reduce the pollutant emission.



Various kinds of biomass pellet central heating boiler

Biomass boiler adopts biomass energy, usually biomass pellets, as fuel. According to various power media, they can be identified into biomass vapor boiler, biomass hot water boiler, biomass warm blast range, biomass thermal oil heating system.



According to their objective, biomass central heating boilers can be identified right into biomass thermal boiler and also biomass electrical power central heating boiler They both generate power by burning biomass gas. press pellet machine , while biomass electric power central heating boiler turn the thermal power into electric power. Biomass thermal boiler is still the most popular kind, whose innovation is mature.



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



Little biomass central heating boiler

These central heating boilers utilizes solid or gasified biomass gas They create warm in the form of hot water. Small biomass boiler features tiny quantity, easy structure, low cost, however it has reduced power conversion performance as well as low energy supply. Little biomass boiler is generally for residence heating in rural areas and hot water supply.



Massive biomass central heating boiler.

These sort of biomass central heating boiler use strong biomass gas as well as give hot water or vapor. The innovation is mature, the energy supply is high, and the power loss is reduced. But some biomass boiler has gas cocking owing to not enough burning, as well as the assistance facility is not excellent.



Resources for biomass boiler.

Biomass central heating boiler has vast resource of basic materials. All photosynthetic plants can be made use of as basic materials, consisting of sawdust, wood chips, rice husk, sunflower seed shell, sorghum stalk, corn stalk, bean stalk, and so on. By high-heat as well as high-pressure handling in the molding devices, these biomass products are molded into columnar biomass fuel. They are fed into biomass boilers to create heat.



2 common biomass fuels.

Typically, biomass molding fuel has 2 types-- biomass briquettes and wood 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. grain pellet mill are made by timber pellet mill. Wood pellet gas slowly replace biomass briquettes owing to high thickness, wide application and practical utilizing. They burns a lot more completely than biomass briquettes.



Biomass pellet gas has fiber material of 70%. The sulfur content is far less than coal High density makes it practical to store and also transport. It can be used in different devices. Biomass pellets burns sufficiently, with much less smoke as well as ash web content, and also the burning rate is 11% more than coal.



Advantages of timber pellet fuel over coal.

Reduced carbon content: biomass fuels contends the majority of 50% carbon web content, so the heat value is less than coal.

High hydrogen content: biomass gas has more volatiles, so they are simpler to melt. The carbon and hydrogen are combined into low molecular hydrocarbon, which will certainly separate out volatiles at high temperature.

High oxygen content: biomass fuel has even more oxygen web content than coal, so the heat worth is reduced.

Low density: the density of biomass fuel is lower than coal. Loosen up appearance makes it much easier to burn out. The residual carbon is lower than coal ash.

Low sulfur web content: the sulfur web content in biomass gas are less than 0.12%. You do not need to set up desulfurizer gadget.

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

Waste recycle: the adoption of biomass gas can make complete use of wastes, and ease their damages to atmosphere. Besides, the residual ash after melting can be made use of to generate fertilizer.

Mixed firing: Biomass fuel can be burned along with coal and also boost the burning effectiveness.




Biomass central heating boiler contamination emission.

Biomass boiler give off small quantity of air contaminants, as well as solid waste that can be reused.



Polluting gases

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



Solid waste

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



By outfitting the biomass central heating boiler with desulfurizing as well as dirt removing gadget, we can minimize the toxin emission to minimum.




Environmental advantages of biomass central heating boiler

To change coal with biomass fuel, we can lower the contaminant discharge in atmosphere. On the other hand, the internet carbon exhaust of biomass gas is absolutely no, which can eliminate greenhouse effect.



Adoption of biomass fuel is a reliable method to make use of the crop waste. If these crop waste decay under all-natural condition, they will certainly generate a lot of methane, which has higher greenhouse effect. By making them right into gas, we can transform waste right into riches.



The recurring ash after burning can be utilized as potash fertilizer. By doing this, we accomplish the energy reuse among straw-- fuel-- fertilizer.


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