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How Do Wood Chips From European Sawmills Make Fuel Pellets?

Date: 01/11/2021 08:35:14 From: Clicks:

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European softwood timber products have grown steadily in the past five years. Many sawmills have a large number of by-products, including drum wood chipper, shavings and sawdust. Where can these waste wood and sawdust be used? The increased supply of wood fiber mainly benefits pulp mills, wood-based panel manufacturers and wood pellet producers. Compared with expensive small-diameter logs, residual wood chips are usually the preferred low-cost fiber ingredient. Among them, European wood chips are used to make biomass pellet fuel is a good choice, this measure not only reuse waste, but also can replace coal to protect the environment. How to make biomass pellets from residual wood chips? We can choose wood pellet machine or wood pellet production line equipment.

Wood Residue
Wood Residue

European Wood Residue Market

Over the past five years, the annual volume of residuals generated from Europe's sawmills has increased to an estimated 17 million m3, resulting in increased chip trade on the continent, particularly in the northern region. Softwood chip trade around the Baltic Sea has gone up by over 80% from 2015 to 2020, with the major shipments being from Russia to Finland, from Norway to Sweden, and from the Baltic States to Denmark and Sweden.

WRI estimates that in 2020 almost 2.6 million m3 of wood chips will be imported by Finnish pulpmills, up from 1.4 million m3 five years earlier. This will make Finland, for the first time, the world's largest importer of softwood chips - surpassing even Japan. Practically all Finland's chip imports have been from Russia and the Baltic States, with the former accounting for the lion's share of the supply. In the first seven months of 2020, Finnish wood chip importation from Russia was 33% higher than during the same period in 2019. According to the Wood Resource Quarterly, the average price for imported Russian wood has been relatively stable and is only slightly higher than the price for domestic pulplogs.

In contrast to recent developments in Finland, wood chip imports to Sweden declined in 2020, ending a six-year upward trend. In 2019, Swedish chip imports reached an all-time high of 1.9 million m3. However, during the first seven months of 2020, import volumes from the major supplying countries of Norway, Estonia, and Latvia fell by 33%, and the total import volume for the year is on the path to be the lowest level in five years. The reduced demand for imported wood chips has resulted from both an increase in domestic residual supply from the sawmill sector and the large volumes of beetle-killed timber in the Central and Southern parts of Sweden, which are flooding the fiber market.

Sawdust Pellet Machine: How to Make Biomass Pellets From Residual Wood Chips?

Knowing the usages of sawdust pellets will follow the question of how to make wood pellets from sawdust. The process is not that complicated. Here are the details of wood pellet line:

1.Get the raw material ready. Generally sawdust is small enough for pellet making. So the first step is to add water to the sawdust till its moisture content is between 8-15%, which is the best moisture content for pelletizing. But if the raw material is wood chips, they should be pulverized first.

2. Put the sawdust into the pellet machine gradually. Large scale pellet production need a screw feeder to make sure stable feeding of raw material.

3. After pelletized, the sawdust pellets are of high temperature that is not suitable for direct packing. So they should be cooled by pellet cooler.

4. Then, pellets go through a vibrating sieve, where good pellets will be left, while broken ones or powder will be collected for reproduction.

5. After all the above procedures, pellets can be packed with a pellet packing machine.

Sawdust Pellet Mill
Sawdust Pellet Mill

Sawdust Pellet Machine Parameter

Model MZLH320 MZLH350 MZLH420 MZLH520 MZLH768 MZLH858
Anti-caking Feeder Power 1.5KW 1.5KW 1.5KW 2.2KW 3KW 3KW
Forced Feeder Power 0.55KW 0.55KW 0.55KW 0.75KW 1KW 1KW
Capacity 300-400kg/h 500-700kg/h 1.0-1.2 t/h 2.0-2.5 t/h 2.5-4 t/h 3-4.5 t/h
Pellet Machine Power 37kw 55kw 90kw 110/132kw 250/280kw 280kw
Final Pellet 6-12mm 6-12mm 6-12mm 6-12mm 6-12mm 6-12mm

Benefits of Making Fuel Pellets from Sawmill Residues

Generally the sawmill residues are piled or burned or sold in local markets for fuel. This way increases the storage cost of sawmills and brings environmental pollution by burning directly. If turn these sawmill residues into fuel pellets, it can not only offer energy for sawmills themselves and save energy cost and storage cost of sawmills but also benefits the environment.

USA 10T/H Wood Sawdust Pellet Production Line Project

The American customer's 10 t/h wood sawdust pellet production line project is the customer's investment attempt to seize the opportunity to expand the production scale.The customer has previously cooperated with other manufacturers on a small wood chip production line. Since it has been in production for more than a year, the quality of the equipment and the quality of the finished pellets are far from the customer's requirements, and machine failures often occur in production. This time American customer chose to cooperate with Richi Machinery, which is the trust and hope that our customers have after visiting Richi equipment and understanding the achievements of Richi in the field of wood pellet processing.

USA 10T/H Wood Sawdust Pellet Production Line equipment delivery photos
USA 10T/H Wood Sawdust Pellet Production Line equipment delivery photos

The raw material for the 10 tons of wood pellet processing project customized for the customer is wood chips, and the pellet size requirement is 8mm. This sawdust production line is large in scale, innovative in design, highly automated,and adopt the turnkey service promoted by Richi in recent years. From design, construction to installation and trial operation, Richi contracted all production line construction work.

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