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Sweden biomass pellet fuel industry analysis<br>
Sweden is just one of the globe's largest wood pellet fuel manufacturer and customer. It's wood pellet production modern technology, sector policy, and market model are prominent. In this passage, I will do extensive evaluation on Sweden biomass pellet fuel industry, as well as work out some useful experiences.



Introduction

In the 1970s, numerous countries have actually made plans to advertise biomass energy as a means to cope with energy situation and environment contamination. Ever since, biomass energy sector has created swiftly, and also the innovation keep enhancing.



Due to the lack of mineral resources, Sweden's economy experienced wonderful loss in last century. To make certain nationwide energy safety, Sweden government strive to establish renewable resource.



Biomass pellet fuel has the functions of high burning performance, reduced ash material, absolutely no carbon emission, easy transport, which has actually been popular in Europe and also The United States And Canada. With bountiful forestry sources, Sweden pay much attention to the growth of biomass pellet fuel. Sweden occupies 20% of the globe's biomass fuel usage, which grows up at the speed of 8-10%.



Sweden forestry sources and biomass products


Sweden has abundant forestry sources. The woodland covers 64% of the land area, with 51% owned by people, 24% by big wood business, and 25% by countries as well as other public organizations. Besides, the forestry expands by 100 million tons each year, and also the deforestation quantity is 92.4 million loads. The significant forestry sectors are wood processing, paper processing, and also energy wood. The wood materials for making biomass power mainly come from the 3 markets above, concerning 23.48 m3.



Resources of wood pellets

Of the raw products for making wood pellets, wood shavings use up 53%, sawdust 35%, as well as wood chips 5%, others (barks, agriculture residues, power forestry) occupies 7%. Some little wood pellet manufacturing facility are constructed base on chipboard, furniture and sawdust mills.



With more companies taking part in biomass fuel production, the competitors on the raw products come to be a lot more fierce. As the crop straws in Sweden are in scattered circulation, they are tough to collect and also process. So some manufacturers and also institutes are creating brand-new products like peat and also power plants.



Wood pellet producing innovation and devices

The pellet molding modern technology has actually grown in Sweden. Nowadays, it has attained commercial and also market manufacturing. The production procedure features high automation, requiring much less drivers. The picture listed below displayed the wood pellet manufacturing procedure.



Drying out: normally, the wetness web content of sawdust is around 50%. A drum clothes dryer can reduce the wetness web content to 9-12% to ensure that it is received making pellets.

Crushing: the size of raw materials should be under 5mm. They require a hammer mill to minimize the dimension.

Conditioning: include high-heat steam to the raw products and soften the cellulous in it. More than half of the pellet fuel suppliers have conditioning process in production.

Pellet molding: most wood pellet factories utilize upright kind ring die pellet equipment. The manufacturing ability of one machine is 2-4ton/ h. The life span of ring die is 2000-3000h, while the roller can last 1000-1500h.

Air conditioning: the wood pellets extruded out from the pellet device go to the temperature level of 100 ℃. Pellets under this problem are easy to damage and also troublesome for transportation. A counter-flow cooler can cool the wood pellets in a moderate method.

Packing: the cooled down pellets need to be categorized and packaged according to consumers' need. Little bags are 16kg, huge bags are 900kg. For big customers like power plant, the wood pellets are delivered by vehicles and ships wholesale.

Biomass pellets classification as well as application

In 1999, Sweden federal government released the standard of wood pellet fuel, in which they are categorized right into 3 classes. The excellent has high quality. They can be used in domestic little heaters as well as stoves.The second and third do not have high quality. They are made use of by huge industrial consumers.



Presently, 57% of the wood pellet fuels in Sweden can fulfill this requirement. Several of them can meet the EU requirement, others are not generated according to this requirement.



Wood pellet fuel can be applied in small boilers, medium-scale as well as large-scale heating supply facility and power plant. Currently, Sweden has 60% of wood pellet fuel for tiny and average home heating boilers and also regional home heating supply facility, and 40% for large home heating supply center as well as co-firing power plant.



From the 1970s to the 1990s, Sweden local heating plant take on coal to change oil. After the enact of CO2 discharge tax, these home heating plant rely on biomass fuel from coal. In the last years, the quantity of biomass fuel for home heating grows from 1.1 PJ to 57PJ. Presently, concerning 400 regional home heating plant has taken on wood pellet fuel.




Given that the mid 1990s, domestic wood pellet market has actually made wonderful development. In the last years, making use of domestic heating wood pellets proliferates. Presently, Sweden has 200,000 family members using wood pellet boilers, 40,000 households utilizing wood pellet ovens.



Sweden biomass power advancement objective and policy

To advertise the continual advancement of biomass power, Sweden has actually made a series of laws as well as policies. To make certain the implement of these plans, the federal government also made many practical supervision procedures and required sector standard.



Sweden not only fulfill the obligation stipulated Kyoto Protocol that reduced greenhouse emission by 8%, yet additionally established its very own advancement goal of biomass power. In 2006, the Priest for lasting development division declared that Sweden will completely utilize biofuels as well as quit making use of oil, as well as end up being the initial nation that completely count on renewable resource.



By 2020, Sweden will boost its proportion of renewable resource to 50%, the usage proportion of renewable energy in transport industry to 10%, power effectiveness by 20%, and also reduced the exhaust of greenhouse gas by 40%.



Wood pellet fuel reward plan

Sweden has actually performed high price purchase, investment aids, tax obligation decrease and also exemption, quota system and also various other biomass power reward policy.



Because 1975, Sweden spends 36 million Euro from federal government budget to support biomass modern technology advancement. From 1997 to 2002, the government offered 25% financial investment aid to biomass cogeneration jobs. From 2004-2006, the government supplied 1350 Euros for citizens who make use of biomass heating unit.



Sweden generally lay high tax obligation on fuels, powers, CO2, SO2, etc. To promote the advancement of biomass power, to exempt all tax obligations on biomass jobs. In 1991, Sweden government begins to lay tax obligation on CO2 emission, that makes the cost of oil and also nonrenewable fuel source surge. A lot of warm supply center as well as nuclear power plant switches over from fossil fuel to biomass fuel.



To encourage the nuclear power plant to utilize biomass power, Sweden federal government presented electrical power quota system. This plan requires the power suppliers to have particular portion of power produced by renewable energy. For every single 1MWh electrical power, the federal government will offer tax obligation relief based on the biomass power quantity.



Sweden wood pellet fuel melting tool

Sweden wood pellet shedding modern technology is in the leading position. There have actually mored than 20 pellet heater makers, over 50 kinds of wood pellet central heating boilers, 120,000 collections of pellet boilers, 20,000 collections of pellet stoves. As there are still numerous households utilizing electrical heating, the pellet central heating boilers have massive potential.



Sweden pellet burning devices has central heating central heating boiler and also biomass stove 2 kinds.



Central heating central heating boiler can be used in 1 or even more family members. The thermal transfer with water. diy pellet maker are 10-40kw, which can be changed by 30% -100% according to needs. The main home heating boilers also has 2 kinds. The mixed boiler is connected by a pellet burner and also a standard central heating boiler. The boiler can connect with different heaters. The incorporated boilers are generally imported from Austria as well as Germany, some produced by domestic manufacturers.



Biomass stoves or heater

Biomass ovens likewise has 2 types. Independent pellet oven as well as Chimney item type heater. The previous on is a lot more popular. The independent pellet oven has a pellet stock container inside, which can hold wood pellets for 2-day usage.



Biomass pellet stove can realize automated filling and also burning. Based on various feeding method, pellet stoves has top feed, bottom feed and also horizontal feed 3 kinds. Leading feed pellet cooktops are the most prominent. Owing to high comfort and tidiness, little pellet stoves offer well in recent times.



Attributes of Sweden biomass fuel market

Sweden has rich forestry resources and abundant forestry waste, which end up being the primary raw materials for biomass pellets.

Sweden wood pellet industry has actually been totally marketed. Many manufacturers are huge as well as moderate business, with fully grown modern technology. Little wood pellet manufacturing facilities are mainly improve chipboard, furnishings as well as saw mills.

The federal government has made extensive legislations and also plans to drive the wood pellet manufacturing. This is why the wood pellet industry establishes swiftly considering that the 1990s.

Standard for wood pellet fuel keep enhancing. In the 1990s, Sweden released the standard for wood pellets, and also gauged the strategy date of pellet fuel and burners.

Fully grown burning innovation and also devices. Over the last few years, Sweden's manufacturing of pellet boiler and pellet heating ovens maintain increasing.

Perfect quality control system. Sweden government stated that the wood pellet fuel and burning devices have to obtain third-party screening accreditations prior to going into the market.



Final thought

Sweden is a major wood pellet fuel producer and customer worldwide. Biomass power plays an important duty in its production as well as way of life. animal feed pellet machine , biomass pellets are going to play a more important role in home heating supply, power generation, as well as industrial manufacturing.


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