Notes

Application of biomass central heating boiler and wood pellet gas<br>
Under the pressure of environmental management and energy situation, many nations has actually carried out plans to reduce discharge as well as promote new energy. Under this condition, more and more coal-fired central heating boilers have been changed by, or updated into biomass boiler



Conventional coal-fired central heating boilers emit a lot of black smoke and sulfur gas. A few of them are not geared up with desulfurizer. They will certainly contaminate the surrounding locations. To replace them with gas and also electrical energy calls for way too much efforts as well as expense, so many coal-fired boiler owner use biomass fuel to change coal. Taking into consideration most coal-fired boilers are unsuited for biomass gas, there are customized biomass gas burning gadgets to resolve this problem. They are created based upon the qualities of biomass gas as well as decrease the toxin discharge.



Different kinds of biomass pellet central heating boiler

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



According to their purpose, biomass central heating boilers can be categorized into biomass thermal boiler and also biomass electric power central heating boiler They both produce power by melting biomass gas. Biomass thermal central heating boiler use thermal power, while biomass electrical power central heating boiler turn the thermal power right into electric power. Biomass thermal central heating boiler is still one of the most preferred type, whose innovation is fully grown.



According to the range, biomass thermal central heating boiler can be categorized right into 2 kinds.



Small biomass central heating boiler

These boilers uses strong or gasified biomass gas They create warmth in the form of hot water. richi pellet machine includes small volume, simple structure, low price, however it has low energy conversion efficiency as well as low energy supply. Tiny biomass boiler is mostly for house heating in rural areas and also hot water supply.



Massive biomass central heating boiler.

These kind of biomass central heating boiler usage strong biomass fuel and also supply hot water or vapor. The technology is mature, the energy supply is high, and the power loss is reduced. But some biomass central heating boiler has fuel cocking owing to inadequate burning, and also the support center is not perfect.



Raw materials for biomass boiler.

Biomass boiler has broad source of basic materials. All photosynthetic plants can be utilized as resources, including 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 processing in the molding devices, these biomass materials are molded into columnar biomass fuel. They are fed into biomass boilers to produce warmth.




Two usual biomass gas.

Usually, biomass molding gas has 2 kinds-- biomass briquettes and also wood pellet fuel. The length of biomass briquettes is greater than 15cm, the diameter is 30-40mm. They are made by biomass briquette press. Wood pellets is 6-8mm in diameter. They are made by wood pellet mill. Wood pellet fuels gradually fill in biomass briquettes owing to high density, wide application as well as practical using. They burns a lot more completely than biomass briquettes.



Biomass pellet gas has fiber material of 70%. The sulfur material is far less than coal High density makes it hassle-free to shop and transportation. It can be applied in different tools. Biomass pellets burns completely, with less smoke and also ash content, as well as the combustion speed is 11% more than coal.



Advantages of timber pellet gas over coal.

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

High hydrogen content: biomass fuels has more volatiles, so they are much easier to shed. The carbon and also hydrogen are combined into reduced molecular hydrocarbon, which will separate out volatiles at heat.

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

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

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

Low carbon exhaust: biomass gas is carbon-neutral, to put it simply, zero carbon exhaust

Waste recycle: the adoption of biomass gas can make full use of wastes, as well as eliminate their damage to environment. Besides, richi pellet recurring ash after burning can be used to create fertilizer.

Blended shooting: Biomass gas can be burned along with coal and boost the burning efficiency.



Biomass central heating boiler air pollution discharge.


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



Contaminating gases

Biomass gas creates little NOx and also no Co2. The SO2 exhaust is lower than 33.6 mg/m3, and the smoke as well as ash exhaust is lower than 46mg/m3. They are far lower than the nationwide standard.



Solid waste

The primary strong waste of biomass central heating boiler is ash. They can be reused by made into potash fertilizer.



By outfitting the biomass boiler with desulfurizing and dirt eliminating gadget, we can reduce the toxin emission to minimum.



Ecological benefits of biomass boiler

To change coal with biomass fuel, we can minimize the contaminant emission in ambience. At the same time, the net carbon discharge of biomass fuel is no, which can relieve greenhouse effect.



Adoption of biomass gas is a reliable method to take advantage of the plant waste. If these crop waste degeneration under all-natural condition, they will certainly produce a lot of methane, which has higher greenhouse effect. By making them into fuel, we can turn waste into wide range.



The recurring ash after melting can be made use of as potash fertilizer. This way, we attain the power recycle amongst straw-- gas-- plant food.


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