Lightning arrester zinc oxide varistor and preparation method thereof
A technology of zinc oxide resistors and lightning arresters, which is applied in the manufacture of resistors, resistors, varistors, etc., can solve the problems of reducing the flow capacity of resistors and affecting the uniformity of resistor components, and achieve uniform and stable internal structures. Strong ability to withstand high current impact and reduce particle size
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Embodiment 1
[0034] A zinc oxide resistor sheet for a lightning arrester, the raw materials are composed of the following mass percentages: 90% zinc oxide, 0.5% calcium oxide, 4% bismuth trioxide, 4% antimony trioxide, 0.5% manganese carbonate, and 1% aluminum nitrate.
[0035] The preparation method of the zinc oxide resistance sheet for the lightning arrester comprises the following steps:
[0036] (1) Ingredients: Weigh the following raw materials: zinc oxide 9kg, calcium oxide 0.05kg, bismuth trioxide 0.4kg, antimony trioxide 0.4kg, manganese carbonate 0.05kg, aluminum nitrate 0.1kg;
[0037] (2) Grinding: Add the weighed raw materials into 20kg of distilled water and stir evenly, then put into a sand mill and grind for 1.5h;
[0038] (3) Granulation: add polyvinyl alcohol of 1kg mass fraction to the slurry after grinding, then put into the granulator and spray granulation;
[0039] (4) Containing water: add 0.25kg of distilled water to the granulated powder, and stir well;
[0040] ...
Embodiment 2
[0046] A zinc oxide resistance sheet for a lightning arrester, the raw materials are composed of the following mass percentages: 85% zinc oxide, 0.1% calcium oxide, 7% bismuth trioxide, 7% antimony trioxide, 0.4% manganese carbonate, and 0.5% aluminum nitrate.
[0047] The preparation method of the zinc oxide resistance sheet for the lightning arrester comprises the following steps:
[0048] (1) Ingredients: Weigh the following raw materials: zinc oxide 8.5kg, calcium oxide 0.01kg, bismuth trioxide 0.7kg, antimony trioxide 0.7kg, manganese carbonate 0.04kg, aluminum nitrate 0.05kg;
[0049] (2) Grinding: Add the weighed raw materials into 20kg of distilled water and stir evenly, then put into a sand mill and grind for 1.5h;
[0050] (3) Granulation: add polyvinyl alcohol of 1kg mass fraction to the slurry after grinding, then put into the granulator and spray granulation;
[0051] (4) Containing water: add 0.25kg of distilled water to the granulated powder, and stir well;
...
Embodiment 3
[0058] A zinc oxide resistance sheet for lightning arrester, the raw materials are composed according to the following mass percentages: 88% of zinc oxide, 0.3% of calcium oxide, 5% of bismuth trioxide, 5% of antimony trioxide, 0.7% of manganese carbonate, and 1% of aluminum nitrate.
[0059] The preparation method of the zinc oxide resistance sheet for the lightning arrester comprises the following steps:
[0060] (1) Ingredients: Weigh the following raw materials: zinc oxide 8.8kg, calcium oxide 0.03kg, bismuth trioxide 0.5kg, antimony trioxide 0.5kg, manganese carbonate 0.07kg, aluminum nitrate 0.1kg;
[0061] (2) Grinding: Add the weighed raw materials into 20kg of distilled water and stir evenly, then put into a sand mill and grind for 1.5h;
[0062] (3) Granulation: add polyvinyl alcohol of 1kg mass fraction to the slurry after grinding, then put into the granulator and spray granulation;
[0063] (4) Containing water: add 0.25kg of distilled water to the granulated powde...
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