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Jiangsu XinLingYu Intelligent Technology Co., Ltd.

Ferrous Iron Removal Treatment For Hot Dip Galvanizing Line Iron Filtration System

    • Ferrous Iron Removal Treatment For Hot Dip Galvanizing Line Iron Filtration System
    • Ferrous Iron Removal Treatment For Hot Dip Galvanizing Line Iron Filtration System
  • Ferrous Iron Removal Treatment For Hot Dip Galvanizing Line Iron Filtration System

    Product Details:

    Place of Origin: China
    Brand Name: xinlingyu
    Certification: loading

    Payment & Shipping Terms:

    Minimum Order Quantity: 1set
    Packaging Details: No packing
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    Detailed Product Description

    Fluxing is a process before galvanizing.

     

    After rinsing put the black workpieces into the fluxing tank, keep them in ZnCI2—NH4CL double salt aqueous solution about 0.5~1min, heating to keep the temperature during 50~70℃.

     

    If the flux not treated before hot galvanizing , the Fe2+ and HCl solution will attached to the workpiece surface, and then put into zinc tank with workpiece together, it will not only affect the galvanizing quality but also increase the zinc consumption, produce a large number of zinc slag(zincilate), zinc ash and zinc powder, this result in the galvanizing quality declined.so it is necessary to remove Fe2+ and HCl from the flux.

     

    Zinc ash is mainly composed of ZnO, Zn and metal chloride etc..

    Per 1kg zinc ash contains Zinc >800g .

    Zinc consumption that caused by ash occupied 20〜30% of total amount of zinc

     

    Fe remive technology:

     

    Ferrous Iron Removal Treatment For Hot Dip Galvanizing Line Iron Filtration System

    At initial status, both of the the  and ‚ are full, and tƒ is empty, after sometime for using of fluxing solution and it needs treatment, open “pump 2”, at this time the fluxing solution in ƒis pumped into , when it is full, the fluxing solution overflow into ‚through overflow pipe, when the ‚is full, “pump 2 “can be closed, then blow the fluxing solution in ‚, add air and chemicals, leave it calm for sometime, open “pump 1”, fluxing solution in treating tank ‚is pumped into pressure filter by “pump 1”, after filter it flows into transition tankƒ, the precipitation is carried out of factory, this process is repeated, which can achieve fluxing recycling and regeneration.

    Max regeneration treatment value 3 m³/h
    PH of fluxing solution 3.0 – 4.5 pH
    Iron ion in fluxing agent ≤4g/l

     

    Expectation result: with advantage of our technology, take 5--8mm angle steel as example, the zinc consumption can be reduced to 36kg/ton, the thickness can reach 86--99um

     

    Exact measures:

    Use of full auto special device for iron removing:

    If your fluxing tank has no iron removing measures, with more production, the Fe+, Zncl2, and NH4CL quantity will be deviated from standard requirements resulting in bad galvanization, and zinc cadmia.

    Our full auto special device for iron removing includes precise measurement+precise material adding+complete reaction+auto control iron removing, it can keep the Fe+ within required reasonable quantity, it also can stabilize acid, iron, ammonia and zinc quantity at good condition, optimized flux components, which is able to improve the zinc fluidity, the surface of gal. quality of working piece, reduce zinc consumption and zinc cadmia quantity.

     

    Ferrous Iron Removal Treatment For Hot Dip Galvanizing Line Iron Filtration System

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