Notes

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



Typical coal-fired boilers discharge a great deal of black smoke and also sulfur gas. A few of them are not equipped with desulfurizer. They will contaminate the surrounding locations. To replace them with gas and electrical energy needs too much initiatives and also cost, many coal-fired boiler owner usage biomass gas to change coal. Thinking about https://uamaracaibo.org/organic-fertilizer-pellet-making-machine/ -fired central heating boilers are unsuited for biomass gas, there are specific biomass fuel burning devices to address this trouble. They are created based upon the qualities of biomass gas as well as lessen the pollutant emission.



Various types of biomass pellet boiler

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



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



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




Small biomass boiler

These central heating boilers uses solid or gasified biomass gas They produce warm in the form of warm water. Little biomass boiler features tiny quantity, easy structure, low cost, yet it has low power conversion efficiency and also reduced energy supply. manual pelletizer is mostly for home heating in rural areas and also hot water supply.




Large biomass boiler.

These sort of biomass boiler usage strong biomass gas and also supply hot water or vapor. The technology is fully grown, the power supply is high, as well as the energy loss is reduced. But some biomass boiler has gas cocking owing to inadequate burning, and the assistance center is not excellent.



Basic material for biomass central heating boiler.

Biomass central heating boiler has wide source of basic materials. All photosynthetic plants can be utilized as basic materials, consisting of sawdust, wood chips, rice husk, sunflower seed shell, sorghum stalk, corn stalk, bean stalk, etc. By high-heat as well as high-pressure handling in the molding tools, these biomass materials are built right into columnar biomass fuel. They are fed into biomass boilers to produce warm.



2 common biomass gas.

Generally, biomass molding fuel has 2 kinds-- biomass briquettes and also wood pellet fuel. The size of biomass briquettes is more than 15cm, the size is 30-40mm. They are made by biomass briquette press. Wood pellets is 6-8mm in diameter. They are made by wood pellet mill. Timber pellet gas gradually fill in biomass briquettes owing to high density, wide application as well as hassle-free utilizing. They burns more adequately than biomass briquettes.



Biomass pellet gas has fiber web content of 70%. The sulfur content is far lower than coal High density makes it convenient to shop as well as transport. It can be used in different equipment. Biomass pellets burns adequately, with less smoke and also ash web content, as well as the combustion rate is 11% greater than coal.



Advantages of timber pellet gas over coal.

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

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

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

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

Low sulfur content: the sulfur content in biomass gas are less than 0.12%. You don't need to mount desulfurizer device.

Reduced carbon emission: biomass gas is carbon-neutral, simply put, zero carbon exhaust

Waste reuse: the adoption of biomass gas can make full use wastes, as well as ease their damage to atmosphere. Besides, the residual ash after shedding can be used to generate plant food.

Combined firing: Biomass gas can be shed along with coal as well as enhance the combustion efficiency.



Biomass central heating boiler contamination emission.

Biomass central heating boiler discharge small quantity of air contaminants, as well as solid waste that can be recycled.



Contaminating gases

Biomass gas generates little NOx and no carbon dioxide. The SO2 discharge is lower than 33.6 mg/m3, and the smoke as well as ash exhaust is less than 46mg/m3. They are far lower than the national requirement.



Solid waste

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



By furnishing the biomass boiler with desulfurizing as well as dust eliminating gadget, we can lower the toxin exhaust to minimum.



Ecological advantages of biomass central heating boiler

To change coal with biomass gas, we can lower the contaminant discharge in ambience. Meanwhile, the net carbon emission of biomass fuel is no, which can alleviate pollution.



Adoption of biomass gas is an effective means to make use of the plant waste. If these crop waste degeneration under natural problem, they will generate a great deal of methane, which has higher pollution. By making them right into fuel, we can transform waste into wealth.



The residual ash after burning can be used as potash fertilizer. This way, we achieve the energy recycle among straw-- gas-- plant food.


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