Enamel glaze, enamel slurry, preparation method and application thereof
An enamel glaze and enamel technology, which is applied in the field of enamel glaze, can solve the problems of poor glaze gloss, low acid resistance, and scale explosion on the glaze surface of the coating, and achieve good gloss and acid resistance on the glaze surface of the coating , combined with a firm effect
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[0034] The preparation method of the enamel slurry includes the following steps: 100 parts of enamel glaze, 30-50 parts of glass powder, 0.3-0.5 parts of borax, 0.2-0.5 parts of sodium nitrite, 5-7 parts of clay, and 0.5-1 parts of bentonite 1 part, 0.5 to 1 part of sodium fluorosilicate, and 35 to 40 parts of water to obtain a mixture, which is added to the ball mill to obtain the enamel slurry.
[0035] Preferably, in the method for preparing the enamel slurry, the zirconia ball is a mixture of two kinds of balls with a diameter of 5 mm and 2 mm. The mixing of two sizes of balls is convenient for ball milling. The mass ratio of the zirconia balls to the mixture is 1-1.2:1. The ratio of the total mass of the ball to the total mass of the mixture is larger, and the grinding time will be longer if the material is less abrasive and the ratio is smaller each time.
[0036] Preferably, in the method for preparing the enamel slurry, the rotation speed of the ball mill is 40-48 r / min a...
Embodiment 1
[0046] Preparation of enamel glaze: weigh 40 parts of quartz sand, 9.5 parts of feldspar powder, 24 parts of borax, 2.5 parts of cryolite, 5.5 parts of sodium nitrate, 3.5 parts of lithium carbonate, 3.5 parts of fluorite powder, and 2.5 parts of calcium carbonate by weight. 3 parts of cobalt nitrate, 0.8 parts of nickel nitrate, 2 parts of manganese oxide, 3.4 parts of zirconium dioxide are mixed uniformly, and pulverized in a ball mill to a particle size of 80 mesh; the mixture is transferred to an electric furnace or kiln and heated to 850°C for 60 minutes, and then Heat to 1300°C for 100 minutes to obtain a uniform molten enamel glaze, then immediately pour the molten enamel into cold water to quench, and dry at 130°C for 30 minutes to obtain an enamel glaze.
[0047] Preparation of glass powder: the waste glass is pressed into 5mm broken flakes, washed, dried, then pulverized with a ball mill, and passed through a 140-mesh sieve to obtain glass powder.
[0048] Preparation of ...
Embodiment 2
[0052] Preparation of enamel glaze: weigh 40 parts of quartz sand, 9.5 parts of feldspar powder, 24 parts of borax, 2.5 parts of cryolite, 5.5 parts of sodium nitrate, 4 parts of lithium carbonate, 3.5 parts of fluorite powder, 2.5 parts of calcium carbonate by weight. 3 parts of cobalt nitrate, 0.8 part of nickel nitrate, 2 parts of manganese oxide, 3.4 parts of zirconium dioxide are mixed uniformly, and crushed to a particle size of 80 mesh in a ball mill. Transfer the mixture to an electric furnace or kiln and heat it to 850°C for 40 minutes, and then heat to 1300°C for 90 minutes to obtain a uniform molten enamel, then immediately pour the molten enamel into cold water to quench and dry at 130°C The enamel glaze can be obtained in 30 minutes.
[0053] Preparation of glass powder: the waste glass is pressed into 5mm shredded flakes, washed, dried, then pulverized with a ball mill, and passed through a 140-mesh sieve to obtain glass powder.
[0054] Preparation of enamel slurry:...
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