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Several Factors Affecting the Ball-Forming Efficiency of Pelletizers

Time：May 17,2021

Users often encounter the issue of low ball-forming rates during the production process with pelletizers. The ball-forming rate of a pelletizer is one key indicator for assessing its quality. Standards are also a measure, and thus the quality of the equipment itself is one of the factors influencing the ball-forming rate. Aside from issues specific to the equipment, the following points also… These are also factors contributing to the low balling efficiency of the pelletizer:

1. Ensure uniform feeding

Some ball-pressing production lines weren’t designed with uniform feeding in mind from the start—instead, they rely entirely on belt conveyors to control the feed rate. When the operator… When operators are familiar with the performance of production line equipment and the equipment runs continuously and reliably, high-quality balls can also be produced. However, in most cases, there’s no equipment designed for consistent, steady material supply. When operating on the production line, situations of insufficient or excessive material supply can easily occur. Insufficient supply often leads to issues like burrs, hollow spheres, or uneven strength in the molded balls. Situations where shaping is difficult to achieve. Sufficient and continuous feeding is essential for ensuring proper shaping, but it’s important to note that the feed rate must not exceed the output capacity of the main machine. This could potentially lead to the risk of forced shutdowns, so the feed rate must be carefully controlled according to production capacity.

II. Ratio of Materials to Binder

Due to the inherent properties of the material, it is difficult to form even under compression. This is precisely when a binder must be added—typically in an appropriate amount relative to the material. It ranges between 2% and 4%, and the amount of adhesive added also depends on the material properties. A scientifically optimized ratio is essential to both produce a high-quality product and minimize costs. This. Uneven mixing of the adhesive and materials is also one of the key factors affecting material shaping, so attention should be paid to stirring both the materials and the adhesive during the production process. Mixed situation.

3. Material Particle Size

The size of the material particles also significantly affects the ball-forming rate, as smaller particle sizes promote tighter bonding among the material particles—making it most suitable. Particles smaller than 3 mm account for about 90% of the pelletized material. If the material particles are too large, the gaps between them become significant, making it difficult to achieve proper shaping.

4. Moisture Content of Materials

During the ball-pressing process, a certain amount of water is required, as the binder must dissolve in water to ensure thorough and uniform bonding with the material, ultimately enhancing the mechanical properties of the finished balls. Strength. However, if there’s excessive moisture, the ball’s strength will decrease, and at the same time, the presence of water can easily lead to demolding issues, resulting in defective products or The issue of insufficient strength in finished balls means that strictly controlling the amount of water added is also one of the critical conditions for ensuring a high yield rate.

5. Pressure Too Low

Depending on the versatility of the equipment, the pellet press can meet the requirements for compressing most materials into pellets—but the material type varies, which affects the required compression ratio for forming uniform pellets. Pressure also varies. Materials that aren’t naturally highly cohesive require greater pressure—so if the linear pressure of the pelletizer isn’t sufficient, the material may struggle to form into pellets. In such cases, a standard pelletizer won’t suffice, and a high-pressure pelletizer becomes essential. High-pressure pelletizers offer significantly higher linear pressure, making them particularly effective for handling special materials that are otherwise difficult to shape into pellets.

How can we ensure the efficiency of the briquette press production line?

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Several Factors Affecting the Ball-Forming Efficiency of Pelletizers

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