bamboo pellet mill
Bamboo Pellet Mill Overview
A bamboo pellet mill is a type of biomass pellet machine. It processes bamboo sawdust, bamboo chips, and other bamboo processing waste, compressing properly pretreated materials into dense pellets.
The pellets have a uniform shape and size, making them easier to store, transport, and use. Bamboo fuel pellets also have a high calorific value and good market potential.
For bamboo processing plants, biomass fuel producers, and businesses looking to turn bamboo waste into higher-value pellet products, the RICHI MZLH bamboo pellet machine is worth considering. Its capacity range covers 0.2–10 t/h, serving both small-scale processing and continuous industrial pellet production.
Capacity: 0.2-10 T/H
Power: 22-250 kW
Bamboo Pellet Mill Structure and Design
Bamboo is a fibrous material that places higher demands on the feeding, compression, and transmission systems of a pellet mill. RICHI has continuously upgraded the MZLH series for more than 30 years to meet the demands of continuous bamboo pellet production.
How Does a Bamboo Pellet Mill Work
How does processed bamboo become pellets inside the pellet mill? Once you break the process down into several steps, it becomes quite straightforward. Understanding the pelletizing process also makes it easier to choose a machine that matches your raw material and production needs.
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Bamboo Pellet Mill Models and Technical Parameters
Different RICHI MZLH models may have different configurations. If you have specific requirements for capacity, components, or automation, we can match the machine configuration to your project.
| Model | Production Output (t/h) | Main motor power (kW) | Ring die diameter (mm) | Finished Pellets Diameter (mm) |
|---|---|---|---|---|
| MZLH320 | 0.2-0.3 | 22 | 320 | 4-12 |
| MZLH350 | 0.3-0.5 | 37 | 350 | 4-12 |
| MZLH420 | 1.0-1.2 | 90 | 420 | 4-12 |
| MZLH520 | 1.5-2.0 | 132 | 520 | 4-12 |
| MZLH678 | 2.5-3.0 | 200 | 673 | 4-12 |
| MZLH768 | 3.0-4.0 | 250 | 762 | 4-12 |
Data is based on rated operating conditions tested with a complete production line. Actual data may vary depending on raw materials, operating conditions, and equipment upgrades. Contact RICHI engineers for the latest data.
What Bamboo Materials Can Be Processed by a Bamboo Pellet Mill
You can use bamboo, bamboo sawdust, bamboo chips, bamboo blocks, and other bamboo-based materials as feedstock after crushing, drying, and other necessary pretreatment.
The machine can also process other biomass materials, such as wood, straw, and alfalfa, when their processing conditions meet the requirements.
Fresh Bamboo Stalks: Unprocessed bamboo obtained from bamboo harvesting.
Bamboo Chips and Blocks: Larger pieces produced during bamboo cutting, crushing, or processing.
Bamboo Sawdust: Fine bamboo sawdust produced during bamboo cutting, sanding, and other processing operations.
Bamboo Processing Waste: Offcuts, cutting waste, and discarded bamboo products generated during bamboo processing.
Bamboo Pellet Mill Raw Material Requirements
Raw materials should not go directly into the pellet mill. Proper pretreatment protects the equipment and helps maintain production efficiency. So, what condition should bamboo-based materials be in before they enter the bamboo pellet making machine?
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Bamboo Pellet Production Process
If your raw material consists of fresh bamboo, bamboo blocks, or bamboo chips, what steps are needed to turn it into pellets? The following process uses bamboo block pellet production as an example to walk you through the complete production process and the role of the bamboo pellet mill in it.
Cleaning
A pre-cleaning screen removes stones, soil, and other impurities from the bamboo blocks. A permanent magnetic drum then removes iron nails and other ferromagnetic metal contaminants.
Crushing
A hammer mill further reduces the large bamboo pieces to the required particle size, usually around 3–5 mm.
Bamboo sawdust is already fine enough in most cases, so it normally only needs to go through the cleaning stage rather than another crushing process.
Drying
As mentioned above, moisture content is important for pelletizing. The crushed bamboo is dried until its moisture reaches the suitable range of 12%–15%.
For smaller operations or when weather conditions are suitable, natural air drying is an option. Industrial production usually uses a biomass drum dryer to speed up the process.
Pelletizing
After cleaning, crushing, and drying, the bamboo material enters the bamboo pellet mill with suitable moisture and particle size.
The ring die and rollers compress the material into pellets and discharge them from the machine.
Cooling
If you plan to sell the pellets, then add cooling, screening, and packaging after pelletizing.
The finished pellets enter a counterflow cooler, which quickly lowers their temperature and further reduces moisture. This helps the pellets set properly.
After cooling, the pellets become harder and can be stored for longer periods.
Screening
We provide several types of screening equipment, including rotary screens and vibrating screens.
They separate oversized and undersized pellets from qualified products. The separated material can then be returned to the production line for reprocessing.
Packaging
Qualified bamboo pellets are sent to a packaging machine for bagging and sealing.
RICHI provides fully automatic packing scales for 10–50 kg bags. A bamboo pellet production line we recently delivered to Thailand uses this configuration. Only 2–3 workers are needed for raw material feeding, equipment inspection, and finished-pellet stacking across the complete line.
Why Choose Our Bamboo Pellet Mill
Buying a pelletizer is a significant investment. The machine itself is important, but raw material adaptability, production capacity, operating stability, and the rest of the production line also need attention. This is especially important if you are buying this type of equipment for the first time.
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Bamboo Pellet Mill Global Projects
The following projects show how customers use RICHI bamboo biomass pellet machines in different markets. We select suitable machine models and configurations based on their bamboo materials and production requirements.
Commercial Bamboo Pellet Mill Project in Indonesia
Model: MZLH420
Raw Materials: Bamboo strips, bamboo sawdust, wood sawdust
Capacity: 1–1.2 t/h
Pellet Diameter: 6–8 mm
Application: Industrial boiler fuel
Small Bamboo Pellet Mill Project in Mexico
A small bamboo processing plant wanted to turn bamboo processing waste and bamboo sawdust into uniform biomass fuel pellets. RICHI supplied an MZLH320 equipment for the project.
Capacity: 0.2–0.3 t/h
Pellet Diameter: 6–8 mm
Bamboo Pellet Mill Project in Colombia
The customer has abundant bamboo resources and planned to enter the biomass pellet market to supply fuel for local industrial production. After an on-site assessment, we configured two MZLH520 machines to run in parallel and meet the customer’s higher capacity requirements.
Model: MZLH520 × 2
Raw Materials: Fresh bamboo, bamboo blocks, bamboo chips
Capacity: 3–4 t/h
Pellet Diameter: 8–10 mm
Industrial Bamboo Pellet Mill Project in Tanzania
Model: MZLH768
Raw Materials: Bamboo processing residues, bamboo sawdust
Capacity: 3–4 t/h
Pellet Diameter: 8–12 mm
Application: Biomass fuel
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Bamboo Pellet Mill FAQs
Here are some practical questions customers often have when producing bamboo pellets or purchasing a bamboo waste pellet mill. If you have other questions, feel free to contact RICHI engineers.
How should I mix bamboo with wood sawdust?
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For an actual project, you can start with a trial mix of 80% bamboo material and 20% wood-based material. Adjust the ratio afterward based on pellet strength and production performance.
Wood sawdust can improve pellet formation for some bamboo materials. However, too much wood may increase equipment wear.
If your bamboo and wood sources change frequently, we recommend testing the actual materials rather than keeping the same ratio for long-term production. If your raw material is mainly wood, you can also learn more about our wood pellet machine.
How often do the ring die and rollers need to be replaced if bamboo pellet mill runs for more than 16 hours a day?
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The ring die and rollers use highly wear-resistant alloy materials, with a tested service life of more than 1,000 hours. Actual service life depends on raw material hardness, moisture content, impurities, particle size, and equipment operating conditions.
When the machine runs for long hours every day, regularly check the ring die holes, roller surfaces, and pellet quality. If the die holes show significant wear, the rollers wear unevenly, or pellet quality keeps declining, check whether the parts need repair or replacement.
Keeping the raw material clean and maintaining suitable particle size and moisture can also help reduce unnecessary wear.
Do I need to keep adding water when producing pellets from bamboo sawdust?
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Usually, no. Before entering the pellet mill, bamboo sawdust should first be adjusted to a suitable moisture level, generally around 12%–15%.
In actual production, check the raw material moisture first. Then decide whether drying or moisture adjustment is needed rather than relying on continuous water addition during pelletizing.
Why are my bamboo pellets easy to break?
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First, check the raw material moisture and particle size. We generally recommend processing bamboo to around 3–5 mm before pelletizing and controlling moisture at around 12%–15%.
If these conditions are normal, check whether the ring die compression ratio, roller gap, and feeding rate match properly.
Fresh pellets leave the machine at a high temperature, so cool them sufficiently before packaging. Otherwise, they may break more easily.
If the pellets still break after these adjustments, inspect the ring die and rollers for wear or other problems.
Can I buy only the bamboo pellet mill if I already have a crusher and cooler?
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Yes. You can purchase the bamboo pelletizer separately and connect it to your existing production line.
The main points to check are the crusher’s capacity and discharge particle size, raw material moisture, cooler capacity, conveying height, inlet and outlet directions, and electrical conditions.
For example, if your upstream crusher has a stable capacity of only 0.5 t/h, it cannot supply enough material for a 1.5–2 t/h pelletizer.
You can provide the models and capacities of your existing equipment, discharge particle size, and site layout. RICHI engineers can then check compatibility and determine whether any additional equipment is needed.
Does RICHI provide installation, commissioning, and operator training after purchase?
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Yes. Depending on the project, RICHI can provide installation guidance, commissioning support, and operator training.
During commissioning, the main checks cover raw material moisture and particle size, feeding conditions, main machine operation, and pellet formation.
Operator training usually takes about 1–2 days. After training, your employees will understand basic startup and shutdown procedures, lubrication, and ring die and roller inspection.
The specific service method depends on the project location and contract terms. Support may include remote technical guidance, technical documentation, or on-site service.
