When designing the equipment configuration for a feed production line, a reasonable combination should be made based on production scale, product type, and quality requirements.
High quality and equipment compatibility and scalability are key considerations. Multifunctional and modular equipment should be selected to facilitate future expansion and upgrades. For example, a pelletizer with adjustable parameters can produce pellets of varying specifications while adjusting production capacity based on market demand.
Second, the level of automation. Automated equipment, such as automatic batching systems and intelligent control systems, can significantly reduce human error and improve production efficiency. Sensors and PLC (programmable logic controller) control systems can be used to monitor and adjust the entire process.
Third, consider the equipment's energy consumption and maintenance costs. Choosing equipment with low energy consumption and easy maintenance will help reduce operating costs. Equipment should be made of durable materials and designed to facilitate daily maintenance and cleaning.
Fourth, the layout of the production line should be rational. The equipment layout should align with the process flow, minimize material handling distances, and ensure a continuous and efficient production process.
| Capacity | 1-100t/h |
| Range of application | large commerical feed factory,could make chicken,sheep,cow,shrimp feed |
| Workers requirments | 4-5 people |
| Shipment requirments | 6*40ft container |
| Product advantages | Fully automatic intelligent batching, computer control system with stable output, efficient and continuous operation, labor saving, direct packaging, particle size can be selected from 1-12mm. |
| size for whole line | According to land size and layout |
Raw Material Pretreatment
First, sawdust, as a biomass raw material, requires screening. This is because sawdust can come from a variety of sources and may contain large sawdust, wood chunks, or other impurities. Screening removes these impurities, ensuring a uniform particle size and facilitating subsequent processing.
Screened sawdust typically requires drying. Excessive moisture content can affect pellet quality; an appropriate moisture content is typically around 10%-20%. Drying can be done naturally in the sun or using specialized drying equipment, such as a rotary dryer. Dried sawdust is easier to compress and mold.
Feeding Process
Pretreated sawdust is conveyed to the feed port of the biomass pellet machine. The pellet machine typically has a feed mechanism that controls the sawdust feed rate. This feed rate is adjusted based on the pellet machine's production capacity and process requirements to ensure stable and uniform feed. For example, some advanced pellet machines use a screw feeder, which precisely controls the sawdust feed rate, ensuring a continuous and steady flow of sawdust into the pressing chamber.
Pressing Process
Pressure Application: The pressing chamber of a biomass pellet machine consists of two key components: the press roller and the ring die. Once the sawdust enters the pressing chamber, the press roller rotates under the power of a power unit, squeezing the sawdust into the ring die's holes. The ring die has numerous evenly distributed small holes, and the size and shape of these holes determine the size and shape of the final biomass pellets. For example, common pellet diameters range from 6 to 10 mm. Specific sizes can be achieved by replacing ring dies of different specifications.
Frictional Heating and Bonding: As the press rollers apply pressure to the sawdust and force it through the ring die, intense friction is generated between the sawdust particles. This friction raises the temperature of the sawdust, typically reaching around 80-100°C. Under the high temperature and high pressure, the lignin in the sawdust softens and acts as a binder, bonding the particles together, thus forming biomass pellets with a defined shape and strength.
Forming and Discharging
When the sawdust is pressed through the ring die's holes by the press rollers, biomass pellets are formed. These pellets are cut off by the cutting device on the outside of the ring die to form pellets of equal length and then discharged through the pellet machine's outlet.
Service and Support
1. We can build all kinds of fully automatic feed production lines.
2. Customize turnkey production lines according to your needs.
3. We have experienced technical experts to provide you with first-class technology and equipment.
4. We have perfect after-sales service and provide professional and systematic training to maximize the needs of the project.
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