Notes

Application of biomass boiler and timber pellet gas<br>
Under the stress of environmental protection as well as power crisis, many countries has performed policies to reduce emission and also advertise new energy. Under this condition, a growing number of coal-fired boilers have actually been replaced by, or upgraded right into biomass boiler



Typical coal-fired central heating boilers produce a lot of black smoke and sulfur gas. A few of them are not equipped with desulfurizer. They will certainly pollute the bordering areas. To replace them with gas and electricity requires too much efforts and also expense, so many coal-fired boiler owner use biomass gas to change coal. Thinking about most coal-fired central heating boilers are unsuited for biomass fuel, there are specific biomass gas burning devices to solve this problem. They are made based on the characteristics of biomass fuel as well as minimize the contaminant discharge.



Different sorts of biomass pellet central heating boiler

Biomass boiler adopts biomass energy, generally biomass pellets, as fuel. According to various energy media, they can be classified right into biomass steam boiler, biomass warm water central heating boiler, biomass warm blast range, biomass thermal oil heater.



According to their purpose, biomass boilers can be classified right into biomass thermal boiler and biomass electrical power central heating boiler They both generate power by melting biomass fuels. Biomass thermal central heating boiler use thermal energy, while biomass electric power central heating boiler transform the thermal power into electric power. Biomass thermal central heating boiler is still the most popular type, whose technology is mature.



According to the range, biomass thermal central heating boiler can be classified into 2 types.



Small biomass central heating boiler

These boilers uses strong or gasified biomass fuels They create warmth in the form of hot water. Little biomass central heating boiler includes tiny quantity, straightforward structure, low cost, but it has reduced energy conversion performance as well as reduced power supply. Small biomass central heating boiler is primarily for house heating in rural areas and warm water supply.



Large-scale biomass central heating boiler.

These kind of biomass boiler use solid biomass fuel and also provide hot water or steam. The technology is fully grown, the power supply is high, and the energy loss is low. But some biomass central heating boiler has fuel cocking owing to insufficient burning, and also the support facility is not perfect.




Basic material for biomass boiler.

Biomass central heating boiler has wide source of raw materials. All photosynthetic plants can be used as resources, including sawdust, wood chips, rice husk, sunflower seed shell, sorghum stalk, corn stalk, bean stalk, etc. By high-heat and also high-pressure processing in the molding equipment, these biomass materials are formed into columnar biomass fuel. They are fed into biomass boilers to create warmth.



Two usual biomass gas.

Typically, biomass molding fuel has 2 types-- biomass briquettes and timber pellet gas. The length of biomass briquettes is greater than 15cm, the size is 30-40mm. They are made by biomass briquette press. Wood pellets is 6-8mm in size. They are made by wood pellet mill. https://magnificentmilelightsfestival.com/feed-pellet-machine-for-sale/ fill in biomass briquettes owing to high density, wide application and convenient utilizing. They burns more sufficiently than biomass briquettes.



Biomass pellet gas has fiber material of 70%. The sulfur content is far less than coal High thickness makes it convenient to store as well as transportation. It can be applied in different tools. Biomass pellets burns sufficiently, with less smoke and also ash web content, and also the combustion speed is 11% greater than coal.



Benefits of timber pellet fuel over coal.

Low carbon web content: biomass fuels has at many 50% carbon material, so the warmth value is lower than coal.

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

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

Reduced thickness: the thickness of biomass fuel is less than coal. Loosen structure makes it simpler 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 don't require to mount desulfurizer device.

Reduced carbon emission: biomass gas is carbon-neutral, simply put, no carbon exhaust

Waste reuse: the fostering of biomass fuel can make full use wastes, and relieve their damage to setting. Besides, the recurring ash after melting can be used to produce plant food.

Combined firing: Biomass fuel can be burned along with coal as well as enhance the combustion effectiveness.



Biomass central heating boiler contamination exhaust.

Biomass central heating boiler produce small quantity of air toxins, and strong waste that can be recycled.



Contaminating gases

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



Strong waste

The major solid waste of biomass central heating boiler is ash. homemade pelletizer can be recycled by made into potash fertilizer.




By equipping the biomass central heating boiler with desulfurizing and dust getting rid of device, we can reduce the pollutant emission to minimum.



Ecological benefits of biomass boiler

To replace coal with biomass gas, we can reduce the pollutant emission in ambience. On the other hand, the web carbon exhaust of biomass gas is absolutely no, which can soothe greenhouse effect.



Adoption of biomass gas is an effective means to use the crop waste. If these plant waste decay under natural problem, they will create a lot of methane, which has greater greenhouse effect. By making them into fuel, we can transform waste right into riches.



The recurring ash after shedding can be utilized as potash fertilizer. In this way, we achieve the energy reuse amongst straw-- gas-- plant food.


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