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Sweden biomass pellet fuel industry analysis<br>
Sweden is just one of the globe's largest wood pellet fuel producer as well as customer. It's wood pellet production innovation, market plan, and also market version are prominent. In this passage, I will do comprehensive analysis on Sweden biomass pellet fuel industry, and also work out some useful experiences.



Introduction

In the 1970s, lots of nations have made plans to advertise biomass power as a means to manage power crisis as well as setting pollution. Ever since, biomass power sector has established swiftly, and the innovation maintain improving.



Due to the absence of mineral resources, Sweden's economy endured great loss in last century. To make certain nationwide power protection, Sweden federal government strive to create renewable energy.



Biomass pellet fuel has the attributes of high burning efficiency, low ash content, absolutely no carbon emission, simple transportation, which has actually been prominent in Europe and North America. With abundant forestry sources, Sweden pay much interest to the advancement of biomass pellet fuel. Sweden takes up 20% of the globe's biomass fuel usage, which grows up at the rate of 8-10%.



Sweden forestry sources and biomass products

Sweden has bountiful forestry resources. The forest covers 64% of the acreage, with 51% possessed by people, 24% by big wood companies, and 25% by countries as well as various other public organizations. Besides, the forestry grows by 100 million heaps yearly, and the deforestation amount is 92.4 million heaps. The major forestry sectors are wood processing, paper handling, and power wood. The wood products for making biomass power mostly come from the 3 industries above, about 23.48 m3.



Basic material of wood pellets

Of the raw products for making wood pellets, wood shavings occupy 53%, sawdust 35%, as well as wood chips 5%, others (barks, agriculture residues, energy forestry) takes up 7%. Some little wood pellet manufacturing facility are built base upon chipboard, furnishings and also sawdust mills.



With even more business taking part in biomass fuel production, the competition on the raw products become extra fierce. As the plant straws in Sweden are in scattered circulation, they are difficult to gather and refine. So some producers and also institutes are creating new materials like peat and also energy plants.



Wood pellet manufacturing modern technology and also devices

The pellet molding technology has developed in Sweden. Nowadays, it has actually accomplished industrial and market production. The production procedure features high automation, requiring less drivers. The picture below displayed the wood pellet manufacturing process.



Drying: generally, the moisture content of sawdust is around 50%. A drum clothes dryer can lower the wetness content to 9-12% to make sure that it is qualified for making pellets.

Crushing: the size of resources must be under 5mm. They need a hammer mill to minimize the size.

Conditioning: add high-heat vapor to the raw products and soften the cellulous in it. More than half of the pellet fuel makers have conditioning procedure in manufacturing.

Pellet molding: many wood pellet manufacturing facilities utilize vertical type ring die pellet machine. The production capability 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 machine are at the temperature level of 100 ℃. Pellets under this condition are very easy to break as well as bothersome for transportation. A counter-flow colder can cool the wood pellets in a modest way.

Packaging: the cooled down pellets require to be classified and also packaged according to clients' requirement. Small bags are 16kg, large bags are 900kg. For large consumers like nuclear power plant, the wood pellets are delivered by vehicles as well as ships wholesale.

Biomass pellets classification as well as application

In 1999, Sweden government published the requirement of wood pellet fuel, in which they are classified right into 3 classes. The fabulous has excellent quality. They can be used in domestic little burners and stoves.The second and third don't have premium quality. They are utilized by big industrial customers.



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



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



From the 1970s to the 1990s, Sweden local home heating plant adopt coal to change oil. After the establish of carbon dioxide emission tax obligation, these heating plant turn to biomass fuel from coal. In the last years, the quantity of biomass fuel for heating expands from 1.1 PJ to 57PJ. Currently, concerning 400 local heating plant has actually adopted wood pellet fuel.



Because the mid 1990s, residential wood pellet sector has actually made terrific progress. In the last years, the use of residential home heating wood pellets proliferates. Presently, Sweden has 200,000 households making use of wood pellet boilers, 40,000 family members making use of wood pellet stoves.



Sweden biomass energy growth objective as well as policy

To advertise the continuous advancement of biomass power, Sweden has made a collection of legislations and plans. To make certain the execute of these plans, the government also made numerous feasible supervision actions and also obligatory market standard.



Sweden not just satisfy the commitment stipulated Kyoto Procedure that reduced greenhouse discharge by 8%, yet also set its own advancement objective of biomass energy. In 2006, the Minister for sustainable development department asserted that Sweden will completely make use of biofuels and quit making use of oil, and also end up being the first country that totally depend on renewable resource.



By 2020, Sweden will certainly increase its proportion of renewable resource to 50%, the usage ratio of renewable energy in transport industry to 10%, energy efficiency by 20%, as well as reduced the exhaust of greenhouse gas by 40%.




Wood pellet fuel incentive policy

Sweden has carried out high price procurement, investment aids, tax obligation decrease and also exemption, quota system as well as other biomass energy incentive policy.



Because 1975, Sweden invests 36 million Euro from federal government spending plan to support biomass modern technology growth. From 1997 to 2002, the government provided 25% financial investment aid to biomass cogeneration jobs. From 2004-2006, the government gave 1350 Euros for citizens that use biomass heating unit.



Sweden generally lay high tax obligation on fuels, energies, CARBON DIOXIDE, SO2, and so on. To advertise the development of biomass energy, to exempt all tax obligations on biomass jobs. In 1991, Sweden federal government begins to lay tax obligation on carbon dioxide discharge, that makes the price of oil and also nonrenewable fuel source surge. So many heat supply center and also power plants switches over from nonrenewable fuel source to biomass fuel.



To urge the power plant to make use of biomass power, Sweden federal government presented electrical power quota system. This plan requires the power suppliers to have particular part of power produced by renewable energy. For every 1MWh electrical power, the federal government will certainly provide tax obligation alleviation based on the biomass power amount.



Sweden wood pellet fuel melting tool

Sweden wood pellet shedding modern technology remains in the leading setting. There have actually been over 20 pellet burner makers, over 50 types of wood pellet central heating boilers, 120,000 collections of pellet central heating boilers, 20,000 collections of pellet ranges. As there are still lots of households making use of electrical heating, the pellet boilers have significant possibility.



Sweden pellet burning equipment has main home heating central heating boiler and biomass cooktop 2 types.



Central home heating central heating boiler can be utilized in 1 or even more family members. The thermal send with water. The powers are 10-40kw, which can be changed by 30% -100% according to demands. The main home heating central heating boilers additionally has 2 types. pe pelletizing machine combined boiler is linked by a pellet heater and a basic central heating boiler. The boiler can connect with different burners. The incorporated central heating boilers are mostly imported from Austria as well as Germany, some generated by domestic makers.



Biomass cooktops or furnace

Biomass cooktops additionally has 2 kinds. Independent pellet stove and Smokeshaft piece kind furnace. The previous on is much more popular. The independent pellet stove has a pellet stock bin within, which can hold wood pellets for 2-day use.



Biomass pellet cooktop can recognize automated dental filling and burning. Based on various feeding method, pellet stoves has leading feed, lower feed and straight feed 3 types. Leading feed pellet stoves are the most preferred. Owing to high convenience as well as sanitation, small pellet ranges market well in the last few years.



Features of Sweden biomass fuel sector

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

Sweden wood pellet industry has actually been totally marketed. The majority of manufacturers are big and moderate business, with mature modern technology. Small wood pellet factories are primarily build on chipboard, furniture as well as saw mills.

The federal government has made detailed laws and policies to drive the wood pellet production. feed pellet machine is why the wood pellet market creates rapidly considering that the 1990s.

Standard for wood pellet fuel maintain improving. In the 1990s, Sweden released the requirement for wood pellets, and also measured the technique date of pellet fuel and burners.

Fully grown burning innovation as well as equipment. In recent years, Sweden's manufacturing of pellet central heating boiler and also pellet home heating ovens maintain boosting.

Perfect quality assurance system. Sweden federal government stipulated that the wood pellet fuel and burning tools must acquire third-party screening accreditations before going into the market.



Conclusion


Sweden is a major wood pellet fuel producer as well as customer worldwide. Biomass energy plays a vital function in its manufacturing and also way of living. Around the world, biomass pellets are going to play a more important role in home heating supply, power generation, and industrial production.


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