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Application of biomass central heating boiler and also wood pellet gas<br>
Under the pressure of environmental protection and energy crisis, lots of nations has executed policies to reduce exhaust and also promote new energy. Under this problem, an increasing number of coal-fired central heating boilers have been changed by, or upgraded right into biomass boiler



Standard coal-fired central heating boilers produce a lot of black smoke and also sulfur gas. A few of them are not equipped with desulfurizer. They will contaminate the surrounding locations. To change them with gas and electricity calls for way too much efforts and also cost, many coal-fired central heating boiler proprietor usage biomass fuel to change coal. Considering beeswax pellet machine -fired boilers are unfit for biomass gas, there are specific biomass fuel burning gadgets to solve this problem. They are made based upon the characteristics of biomass fuel and also decrease the toxin discharge.



Various sorts of biomass pellet boiler

Biomass central heating boiler adopts biomass energy, typically biomass pellets, as gas. According to various power media, they can be categorized into biomass vapor central heating boiler, biomass hot water boiler, biomass hot blast oven, biomass thermal oil furnace.



According to their function, biomass central heating boilers can be classified into biomass thermal boiler as well as biomass electric power boiler They both produce power by shedding biomass gas. Biomass thermal central heating boiler use thermal power, while biomass electrical power central heating boiler transform the thermal power right into electrical power. Biomass thermal boiler is still the most prominent type, whose innovation is mature.



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




Small biomass central heating boiler

These central heating boilers uses solid or gasified biomass gas They produce warmth in the form of warm water. Little biomass central heating boiler features little volume, easy structure, low cost, but it has low energy conversion efficiency as well as reduced power supply. Little biomass central heating boiler is generally for residence heating in backwoods and hot water supply.



Large biomass central heating boiler.

These sort of biomass boiler use solid biomass fuel and also offer warm water or vapor. The technology is fully grown, the energy supply is high, as well as the energy loss is reduced. But some biomass boiler has gas cocking owing to not enough burning, and also the assistance center is not best.



Raw materials for biomass boiler.

Biomass central heating boiler has wide source of raw materials. All photosynthetic plants can be utilized as resources, consisting of sawdust, timber chips, rice husk, sunflower seed covering, sorghum stalk, corn stalk, bean stalk, etc. By high-heat and high-pressure processing in the molding equipment, these biomass materials are formed into columnar biomass gas. They are fed into biomass boilers to generate warm.



Two usual biomass fuels.

Usually, biomass molding gas has 2 types-- biomass briquettes and also wood pellet fuel. The size 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 timber pellet mill. Timber pellet fuels progressively fill in biomass briquettes owing to high thickness, vast application and also convenient making use of. They burns extra sufficiently than biomass briquettes.



Biomass pellet fuel has fiber web content of 70%. The sulfur material is far lower than coal High density makes it convenient to shop and also transport. It can be applied in various equipment. Biomass pellets burns adequately, with less smoke and ash content, and the combustion speed is 11% higher than coal.



Benefits of wood pellet fuel over coal.

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

High hydrogen content: biomass gas has even more volatiles, so they are less complicated to burn. The carbon and hydrogen are integrated into low molecular hydrocarbon, which will separate out volatiles at heat.

High oxygen material: biomass gas has more oxygen content than coal, so the warm value is reduced.

Low thickness: the density of biomass fuel is less than coal. Loosen appearance makes it much easier to burn out. The recurring carbon is less than coal ash.

Low sulfur material: the sulfur material in biomass fuels are less than 0.12%. livestock pellet machine do not require to set up desulfurizer device.

Low carbon discharge: biomass gas is carbon-neutral, in other words, no carbon emission

Waste reuse: the fostering of biomass fuel can make full use wastes, and eliminate their damages to atmosphere. Besides, the recurring ash after melting can be used to produce fertilizer.

Blended firing: Biomass fuel can be burned together with coal and also enhance the burning effectiveness.



Biomass boiler pollution exhaust.

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



Polluting gases

Biomass fuel creates little NOx and also no Co2. The SO2 exhaust 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 nationwide criterion.



Solid waste

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



By gearing up the biomass boiler with desulfurizing and dust removing tool, we can decrease the contaminant emission to minimum.



Ecological advantages of biomass boiler

To change coal with biomass fuel, we can lower the pollutant emission in environment. Meanwhile, the internet carbon discharge of biomass fuel is zero, which can ease greenhouse effect.




Adoption of biomass fuel is an efficient means to utilize the crop waste. If these plant waste degeneration under natural problem, they will create a great deal of methane, which has higher pollution. By making them right into fuel, we can transform waste right into wide range.



The recurring ash after melting can be utilized as potash plant food. By doing Richi machine , we accomplish the power recycle amongst straw-- gas-- plant food.


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