Notes

Application of biomass boiler and also timber pellet gas<br>
Under the pressure of environmental management as well as energy crisis, lots of countries has executed plans to reduce emission and advertise new power. Under this problem, an increasing number of coal-fired central heating boilers have actually been replaced by, or updated into biomass boiler



Conventional coal-fired central heating boilers send out a lot of black smoke and sulfur gas. Several of them are not equipped with desulfurizer. They will certainly contaminate the surrounding areas. To change them with gas and also electrical energy requires way too much initiatives and also price, many coal-fired boiler owner usage biomass fuel to change coal. Thinking about most coal-fired boilers are unfit for biomass fuel, there are customized biomass gas burning devices to fix this problem. They are developed based on the qualities of biomass gas and also lessen the pollutant exhaust.



Various sorts of biomass pellet boiler

Biomass central heating boiler takes on biomass energy, generally biomass pellets, as fuel. According to various power media, they can be classified right into biomass steam central heating boiler, biomass warm water boiler, biomass hot blast stove, biomass thermal oil heating system.



According to their purpose, biomass central heating boilers can be identified right into biomass thermal boiler and biomass electrical power central heating boiler They both generate power by melting biomass gas. Biomass thermal boiler use thermal energy, while biomass electric power central heating boiler transform the thermal energy right into electrical power. Biomass thermal central heating boiler is still one of the most preferred type, whose innovation is mature.



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



Little biomass central heating boiler

These boilers utilizes strong or gasified biomass gas They produce warmth in the form of warm water. Little biomass boiler includes small quantity, easy framework, affordable price, but it has low energy conversion effectiveness and also reduced energy supply. Tiny biomass central heating boiler is primarily for residence heating in backwoods and hot water supply.




Large-scale biomass central heating boiler.

These type of biomass boiler use solid biomass gas and also offer warm water or vapor. The technology is fully grown, the energy supply is high, and also the energy loss is low. But some biomass boiler has gas cocking owing to inadequate burning, and also the assistance center is not excellent.



Raw materials for biomass boiler.

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



2 common biomass fuels.

Generally, biomass molding fuel has 2 types-- biomass briquettes as well as timber pellet fuel. The size of biomass briquettes is more than 15cm, the diameter is 30-40mm. They are made by biomass briquette press. gemco wood pellet machine is 6-8mm in diameter. They are made by timber pellet mill. Wood pellet fuels gradually take the place of biomass briquettes owing to high density, broad application and also hassle-free using. They burns a lot more completely than biomass briquettes.



Biomass pellet gas has fiber material of 70%. Richi machine is much lower than coal High thickness makes it hassle-free to store and transport. It can be applied in various equipment. Biomass pellets burns adequately, with much less smoke and also ash content, and also the burning speed is 11% more than coal.



Advantages of wood pellet gas over coal.

Reduced carbon web content: biomass gas contends a lot of 50% carbon content, so the warmth value is lower than coal.

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

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

Low thickness: the density of biomass gas is less than coal. Loosen up structure makes it much easier to wear out. The residual carbon is less than coal ash.

Reduced sulfur web content: the sulfur web content in biomass gas are less than 0.12%. You do not require to set up desulfurizer tool.

Low carbon discharge: biomass fuel is carbon-neutral, simply put, zero carbon exhaust

Waste recycle: the fostering of biomass gas can make full use of wastes, as well as relieve their damage to environment. Besides, the recurring ash after melting can be utilized to produce fertilizer.

Combined firing: Biomass gas can be shed together with coal as well as improve the burning performance.



Biomass boiler contamination exhaust.

Biomass central heating boiler give off small quantity of air toxins, and also strong waste that can be reused.



Polluting gases

Biomass gas generates little NOx and also no Co2. The SO2 discharge is less than 33.6 mg/m3, and also the smoke and ash emission is less than 46mg/m3. They are far lower than the national requirement.



Solid waste

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



By equipping the biomass central heating boiler with desulfurizing and dirt getting rid of gadget, we can lower the toxin discharge to minimum.



Ecological advantages of biomass central heating boiler

To replace coal with biomass fuel, we can minimize the contaminant discharge in environment. Meanwhile, the web carbon exhaust of biomass fuel is absolutely no, which can ease pollution.



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




The residual ash after melting can be made use of as potash plant food. This way, we achieve the energy recycle among straw-- fuel-- fertilizer.


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