Notes

Application of biomass boiler and wood pellet fuel<br>
Under the pressure of environmental protection and energy crisis, lots of countries has executed policies to cut exhaust and also advertise new energy. Under this problem, increasingly more coal-fired boilers have been changed by, or updated into biomass central heating boiler



Traditional coal-fired central heating boilers release a lot of black smoke as well as sulfur gas. Some of them are not equipped with desulfurizer. They will certainly pollute the surrounding areas. To change them with gas and electrical power requires way too much efforts and cost, a lot of coal-fired boiler proprietor usage biomass fuel to replace coal. Taking into consideration most coal-fired central heating boilers are unsuited for biomass gas, there are specific biomass gas burning devices to solve this problem. They are created based on the attributes of biomass fuel and reduce the toxin exhaust.



Different sorts of biomass pellet central heating boiler

Biomass boiler takes on biomass power, normally biomass pellets, as fuel. According to various power media, they can be identified right into biomass heavy steam central heating boiler, biomass hot water boiler, biomass hot blast oven, biomass thermal oil heating system.



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



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



Small biomass central heating boiler

These boilers uses strong or gasified biomass fuels They generate heat in the form of hot water. Tiny biomass boiler includes tiny volume, basic framework, low cost, but it has low power conversion efficiency and low energy supply. Little biomass central heating boiler is mainly for house heating in backwoods and also warm water supply.



Large-scale biomass boiler.

These type of biomass boiler usage solid biomass fuel and also supply warm water or steam. The modern technology is mature, the power supply is high, and also the energy loss is low. Yet some biomass boiler has fuel cocking owing to inadequate burning, and the assistance center is not ideal.



Raw materials for biomass central heating boiler.

Biomass boiler has vast resource of basic materials. All photosynthetic plants can be used as raw materials, including sawdust, wood chips, rice husk, sunflower seed shell, sorghum stalk, corn stalk, bean stalk, etc. By high-heat and high-pressure processing in the molding tools, these biomass materials are molded into columnar biomass gas. link are fed right into biomass central heating boilers to generate warm.



Two typical biomass fuels.

Usually, biomass molding gas has 2 kinds-- biomass briquettes and also wood pellet fuel. The size 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 timber pellet mill. https://magnificentmilelightsfestival.com/floating-fish-feed-making-machine/ fuels slowly take the place of biomass briquettes owing to high density, wide application and hassle-free making use of. They burns much more adequately than biomass briquettes.



Biomass pellet gas has fiber material of 70%. The sulfur content is much lower than coal High density makes it convenient to shop and transportation. It can be used in different equipment. Biomass pellets burns adequately, with less smoke as well as ash material, and the burning speed is 11% higher than coal.



Benefits of wood pellet gas over coal.

Low carbon web content: biomass gas contends most 50% carbon material, so the warm worth is less than coal.

High hydrogen material: biomass gas has even more volatiles, so they are easier to shed. The carbon and hydrogen are integrated into low molecular hydrocarbon, which will separate out volatiles at high temperature.

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

Low density: the thickness of biomass gas is lower than coal. Loosen texture makes it simpler to burn out. The residual carbon is less than coal ash.

Low sulfur content: the sulfur material in biomass gas are less than 0.12%. You do not require to mount desulfurizer tool.

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

Waste recycle: the adoption of biomass gas can make full use wastes, and also alleviate their damage to setting. Besides, the residual ash after shedding can be used to generate plant food.

Blended shooting: Biomass fuel can be burned together with coal and improve the burning performance.



Biomass boiler air pollution emission.

Biomass boiler send out small quantity of air toxins, and solid waste that can be recycled.



Polluting gases

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



Solid waste

The major solid waste of biomass central heating boiler is ash. They can be reused by made right into potash plant food.



By furnishing the biomass boiler with desulfurizing as well as dirt removing tool, we can reduce the pollutant exhaust to minimum.



Ecological benefits of biomass boiler


To replace coal with biomass gas, we can minimize the contaminant exhaust in atmosphere. On the other hand, the internet carbon exhaust of biomass gas is zero, which can relieve pollution.




Fostering of biomass fuel is a reliable method to use the plant waste. If these plant waste degeneration under all-natural problem, they will certainly generate a lot of methane, which has greater pollution. By making them right into fuel, we can transform waste right into wide range.



The recurring ash after melting can be made use of as potash plant food. In this way, we achieve the energy reuse amongst straw-- fuel-- fertilizer.


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