Flux for electrified maintenance of riser bus bars of aluminum cells
A column bus, live repair technology, used in metal processing equipment, welding equipment, manufacturing tools, etc., can solve the problems of poor wetting effect, difficult fusion, and high power consumption of welding joints, achieving high safety and fusion rate. High, smooth response effect
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Embodiment 1
[0017] Due to the breakdown of the insulation board at the short-circuit opening of the 200KA aluminum electrolytic cell, the surface of the column bus and the short-circuit bus are blasted. The dimensions of the damaged surface of the column bus are: length 420mm, width 150mm, depth 80mm.
[0018] Calculate the addition amount of flux for live repair of aluminum electrolytic cell column busbar:
[0019] Since the size of the damaged surface of the column busbar is: 420mm in length, 150mm in width, and 80mm in depth, the volume of the groove to be welded on the column busbar is: 42×15×8=5040cm 3 .
[0020] After self-fluxing flux welding, including two parts of welding meat and welding slag, the density of welding meat is 3.2 ~ 4.0g / cm 3 , The self-fluxing flux is calculated according to the liquid yield of 50%, and the liquid yield refers to the percentage of the liquid metal obtained after the reaction in the mass of the original flux. Then the mass of self-fluxing flux re...
Embodiment 2
[0032] The column busbar of 120KA aluminum electrolytic cell is washed out due to the leak. The size of the damaged surface of the column busbar is: length 300mm, width 200mm, depth 120mm.
[0033] Calculate the addition amount of flux for live repair of aluminum electrolytic cell column busbar:
[0034] Since the size of the damaged surface of the column busbar is: 300mm in length, 200mm in width, and 120mm in depth, the volume of the groove to be welded on the column busbar is: 30×20×12=7200cm 3 .
[0035] After self-fluxing flux welding, including two parts of welding meat and welding slag, the density of welding meat is 3.2 ~ 4.0g / cm 3 , The self-fluxing flux is calculated according to the liquid yield of 50%, and the liquid yield refers to the percentage of the liquid metal obtained after the reaction in the mass of the original flux.
[0036] Then the mass of self-fluxing flux required is between 46.1 and 57.6kg:
[0037] 7200cm 3 ×3.2 g / cm 3 ÷50% / 1000=46.1 (kg)
...
Embodiment 3
[0047] 200KA aluminum electrolytic cell due to the arc discharge at the short-circuit opening, the surface of the column bus and the short-circuit bus are blasted, and the size of the damaged surface of the column bus is: length 250mm, width 180mm, depth 100mm.
[0048] Calculate the addition amount of flux for live repair of aluminum electrolytic cell column busbar:
[0049] Since the size of the damaged surface of the column busbar is: 250mm in length, 180mm in width, and 100mm in depth, the volume of the groove to be welded on the column busbar is: 25×18×10=4500cm 3 .
[0050] After self-fluxing flux welding, including two parts of welding meat and welding slag, the density of welding meat is 3.2 ~ 4.0g / cm 3 , The self-fluxing flux is calculated according to the liquid yield of 50%, and the liquid yield refers to the percentage of the liquid metal obtained after the reaction in the mass of the original flux.
[0051] Then the mass of self-fluxing flux required is between ...
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