Conveyor chains are vital components in paper mills, used to transport various materials throughout the production process. They encounter demanding conditions, from handling heavy logs and woodchips to conveying delicate finished paper rolls. Here’s a breakdown of key aspects of conveyor chains for paper mills:

Types of Conveyor Chains:

  • Short-pitch precision roller chains: These are ideal for applications requiring smooth operation and precise positioning. They often have high-quality materials and tight tolerances for accurate movement .
  • Double-pitch transmission chains: Designed for higher loads and longer spans, these chains are commonly used in pulp mills for conveying woodchips and other bulky materials.
  • Welded steel chains: These heavy-duty chains provide superior strength and durability for tough environments like debarking and chip handling. They can come in variations like welded straight plate chains or welded scraper chains, depending on the material being conveyed.
  • Lamella conveyors: These specialized systems use two chains equipped with roller links supporting flat plates (lamellas) on top. They are ideal for transporting paper rolls, with separate configurations for rolls standing upright or on their sides.

Important Features:

  • High strength: Paper mill chains need to withstand significant loads from wood materials to finished paper rolls.
  • Durability: They must endure harsh environments that may involve moisture, chemicals, and abrasive materials.
  • Corrosion resistance: Many chains have special coatings or use stainless steel to resist corrosion.
  • Smooth operation: Certain applications, particularly those involving finished rolls, require smooth and quiet operation to avoid damaging the paper.

Applications:

Paper mill conveyor chains are employed in various stages of production, including:

  • Wood handling: Conveying logs, debarked wood, and woodchips.
  • Pulp processing: Moving pulp slurry and other materials within the pulping process.
  • Paper making: Transporting paper webs throughout the manufacturing line.
  • Paper roll handling: Conveying finished paper rolls for packaging and storage.

By selecting the appropriate conveyor chain type and material, paper mills can ensure efficient and reliable operation throughout their production processes.

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