Graphite anode plate anti-oxidation coating composition and application thereof

[0036] Example 1

[0037] First, the surface of the graphite anode plate is processed with a roller machine to form a 1-2 mm deep mesh groove, which is to prevent the coating from falling off. The mixture of fluorinated lanthanum, sodium silicate, zinc sodium phosphate, and water is used as an antioxidant coating material, and sodium silicate mainly function, and the oxidation of fluorinated lantomerium. The electrolyte in the fluoride and rare earth oxide molten salt electrolysis is the same material, and there is no problem that the product is contaminated. 3 kg of fluorinated lanthanum, 0.5 kg of sodium silicate, 0.2 kg of phosphate, 0.15 kg of 0.15 kg, uniformly coated on the graphite anode plate, the coating thickness 2-3mm, placed for 1-2 hours, then put it into the horse The furnace is baked, and the sintering temperature of 300-400 ° C is baked, and time is 1 hour. After the coating is sintered 300-400 ° C, the antioxidant coating material is sintered on the surface of the gr

[0039] Example 2

[0040]First, the surface of the graphite anode plate is processed with a roller machine to form a 1-2 mm deep mesh groove, which is to prevent the coating from falling off. 2 kg of fluoride, 1 kg of lanthanium oxide, 0.5 kg of sodium silicate, 0.2 kg of phosphate, and 0.15 kg of 0.15 kg, evenly coated on the graphite anode plate, the coating thickness of 2-3 mm, placed for 1-2 hours, Then put it into the muffle furnace for baking, baking the sintering temperature of 300-400 ° C, time 1 hour. After the coating is sintered 300-400 ° C, the antioxidant coating material is sintered on the surface of the graphite anode plate.

[0041] Example 3

[0042] First, the surface of the graphite anode plate is processed with a roller machine to form a 1-2 mm deep mesh groove, which is to prevent the coating from falling off.

[0043] 3 kg of cerium fluoride, 0.5 kg of sodium silicate, 0.2 kg of zinc phosphate, 0.15 kg of 0.2 kg, uniformly coated on the graphite anode plate, the coating thickness 2-3mm, placed for 1-2 hours, then put it into the horse The furnace is baked, and the sintering temperature of 300-400 ° C is baked, and time is 1 hour. After the coating is sintered 300-400 ° C, the antioxidant coating material is sintered on the surface of the graphite anode plate.