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Galvanizing Iron Removal System

Iron removal system
January 12, 2026
Category Connection: Iron removal system
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Tags:
#iron filter system #iron filtration system
Brief: This video demonstrates the setup, operation, and key moments during typical use of a Ferrous Iron Removal Treatment System for hot dip galvanizing lines. You will see how this automated system removes Fe2+ and HCl from fluxing solutions, preventing zinc slag and ash formation, reducing zinc consumption to as low as 36kg/ton, and ensuring high-quality galvanized coatings on workpieces like angle steel.
Related Product Features:
  • Automated iron removal system maintains Fe+ ions within required limits for consistent galvanizing quality.
  • Reduces zinc consumption significantly, achieving levels as low as 36kg/ton for materials like 5-8mm angle steel.
  • Prevents formation of zinc slag, zinc ash, and zinc powder by filtering out Fe2+ and HCl from flux.
  • Features precise measurement and chemical addition to stabilize flux components like ZnCl2 and NH4Cl.
  • Handles fluxing solution regeneration at a maximum rate of 3 m³/h for continuous operation.
  • Improves zinc fluidity and workpiece surface quality through optimized flux composition.
  • Operates with a flux solution pH range of 3.0-4.5 to ensure effective iron ion removal.
  • Includes pressure filtration and transition tanks for efficient recycling and regeneration of flux.
FAQs:
  • Why is iron removal necessary in the hot dip galvanizing fluxing process?
    Iron removal is essential because untreated flux allows Fe2+ and HCl to adhere to workpieces, leading to poor galvanizing quality, increased zinc consumption, and excessive production of zinc slag, ash, and powder.
  • How does the automated iron removal system work?
    The system uses pumps and tanks to circulate flux solution, adding air and chemicals for precipitation, then filters the solution through a pressure filter to remove iron ions, enabling continuous flux recycling and regeneration.
  • What are the expected benefits of using this iron filtration system?
    Benefits include reduced zinc consumption (e.g., down to 36kg/ton for angle steel), improved galvanizing coating thickness (86-99um), minimized zinc waste, and stabilized flux components for better product quality.
  • What is the maximum treatment capacity of the system?
    The system can regenerate fluxing solution at a maximum rate of 3 cubic meters per hour, supporting high-volume production needs.
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