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How to turn sawdust into wood pellets?


As of 2022, North America and Europe will remain the most important production and consumption markets for wood pellets, and turn sawdust into wood pellets remains an upward trend. 

Because it belongs to clean energy, whether it is in the power generation industry, home heating, or daily use, the share of wood pellets is becoming higher and higher. So in the end how to talk about wood sawdust into pellets, RICHI Machinery will tell you.

From raw materials to the final finished wood pellets, a complete wood pellet production line is very complex. Depending on the output and the design of the production plan, turn sawdust into wood pellets may include many kinds of wood pellet equipment.

Processing stage of raw materials

What raw materials can you use to make wood pellets?

wood sawdust raw materials

The raw materials for making wood pellets come from a wide range of sources: economic forest logs; forestry wastes (twigs, trunks, etc.); furniture factory waste (all leftover materials for making furniture); all wood planks/shavings/waste wood, etc.

How to make sawdust?

  • If your raw materials are logs directly from the forest, you need to first use a peeler to separate the bark and trunk, then use a wood chipper to pulverize the intact tree trunk into small pieces, and finally use a sawdust making machine to crushing the small wood chips into smaller than 5mm.
  • The raw materials are forest waste, furniture factory scraps, waste wood and other raw materials that are not particularly large, you can directly use the sawdust machine to crushing them.

Handling of wood sawdust

sawdust dryer machine sale

Pelletizing requires strict raw material humidity. The high water content of wood sawdust is not only easy to crack and lack luster, but also causes the pellet machine to block and damage the pellets machine. Therefore, before turn sawdust into wood pellets, we need to use a wood sawdust dryer to reduce the moisture content of sawdust to between 10-18%.

Wood pellet making equipment - turn sawdust into wood pellets

Everything was ready and came to our wood sawdust pellets machine. The raw materials of wood sawdust follow the feeding system evenly into the pelletizing chamber. Under the action of the pressing roller, the sawdust are extruded from the hole of the ring die, and then cut into the required length by the cutter.

RICHI Machinery’s wood pellet machines have different models. According to different production needs and output requirements, we will recommend the most suitable wood pellet production equipment and production solutions to customers.

RICHI Pellet Machine List

MZLH320 series ring die wood pellet machine ensures high capacity and efficient control of the pelleting process. The wood pellet mill machine is dimensioned for large and designed with exchangeable wear parts.

  • Power: 37KW
  • Capacity: 600-800KG/H
  • Pellet Size: 6-12mm

MZLH350 series ring die wood pellet making machine has wide adaptability. According to different raw materials, different pellets can be produced. Larger feeders increase production capacity and ensure production efficiency.

  • Power: 55KW
  • Capacity: 800-1000KG/H
  • Pellet Size: 6-12mm

This ring die electric wood pellet mill is recommended for straw pellet production plant. Due to the power and voltage, it is not recommended for household pelletizing. It is very suitable for making straw pellets, alfalfa pellets, forage pellets, wood sawdust pellets, and other biomass pellets.

  • Power: 110KW
  • Capacity: Capacity: 1.5-2T/H
  • Pellet Size: 6-12mm

The MZLH520 series wood pellet maker has a larger ring die and pelletizing chamber to ensure high-efficiency straw pellet production. In order to adapt to lighter raw materials, we have added a forced feeder.

  • Power: 160KW
  • Capacity: 3-4T/H
  • Pellet Size: 6-12mm

MZLH768 series large commercial wood pellet press is mainly used for the production of biomass pellets. Enlarged feeders and larger ring die sizes are more suitable for straw pellet plants.

  • Power: 250KW
  • Capacity: 5-7T/H
  • Pellet Size: 6-12mm

RICHI wood pelletizer for sale. 27 years of pelleting plant experience, professional design and manufacturing team, overseas installation engineers, competitive factory direct sales prices. Advanced pelleting process technology.

  • Power: 280KW
  • Capacity: 8-10T/H
  • Pellet Size: 6-12mm

Pellet Machine Technical 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
Pellet Machine Power 37KW 55KW 110KW 160KW 250KW 280KW
Capacity(wood sawdust,biomass) 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
Capacity(grass,straw) 600-800KG/H 800-1000KG/H 1.5-2 T/H 3-4 T/H 5-7 T/H 8-10 T/H
Capacity(organic fertilizer) 1-2 T/H 3-4 T/H 5-6 T/H 7-8 T/H 9-10 T/H 10-12 T/H
Final Pellet 6-12mm 6-12mm 6-12mm 6-12mm 6-12mm 6-12mm
Weight(KG) 2500 3500 4000 4500 5000 5500
Dimension(mm) 2200*900*1300 2500*1100*1600 2800*1150*1730 3000*1260*1860 3300*1500*2000 3500*1600*2180

Finished Pellets Processing

wood sawdust pellets

The temperature is very high when the sawdust pellets just come out of the pellet machine, which is not conducive to storage or transportation. Therefore, we need a cooling system to reduce the temperature of the pellets to below room temperature, and then pack them in batches via a packing system for easy storage and transportation.

The above is the whole process of turn sawdust into wood pellets. So you can see that the pellets machine is the core equipment of the entire pelletizing system. And after more than 26 years of development, RICHI Machinery has become quite mature in the field of sawdust pellet machine for sale. We design and install pellet production solutions for our customers in more than 120 countries or regions around the world. Just like US, UK, Canada, Australia, Indonesia, Malaysia, Thailand, Angola, India, UK, Netherlands, Sweden and other countries.


Summary on Turn Sawdust into Wood Pellets

Here we mainly briefly explains how to turn sawdust into wood pellets and the equipment needed. So taking the production of wood pellets as a commercial project, how do they make wood pellets, and how to build a wood pellet mill? RICHI Machinery gives you some suggestions:

  1. Determine your raw materials. Raw materials are fundamental, whether it is logs or leftovers, once the raw materials are determined, then there is a basis for preparation.
  2. Find a good supplier. We recommend cooperating with wood pellet mill manufacturers, but it is also necessary to examine whether the equipment manufacturer has the ability to provide turn-key pellet production solutions according to customer needs.
  3. Factories, utilities and workers. We need to plan the equipment placement and production construction of the wood pellet production line according to the size of your factory. Factory equipment requires standard industrial electricity.

The Last

After learning about how to turn sawdust into wood pellets, do you already have plans to build your own pellet factory? RICHI Machinery is always there, no matter what questions you have, just inquiry.

There are various online channels for contacting RICHI Machinery: you can leave a message online directly through the website; you can also send us your demand information directly by email or phone; you can also leave us a message through various social media. Either way, we will get back to you in the shortest time possible and send you our details.

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Feel free to contact us; we will give you a perfect solution for your pellet production business.