Medium-temperature acid-resistant ground coat for nitrate-free environment-friendly steel plate enamel, and preparation method and application thereof
An environmentally friendly, nitrate technology, applied in the field of enamel, can solve the problems of nitrogen oxide emission and environmental pollution, and achieve the effect of important environmental protection
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Embodiment 1
[0041] (1) Weigh the raw materials according to the mass parts of the following components:
[0042] Quartz 50kg, zero-water borax 25.6kg, soda ash 7.4kg, manganese oxide 1.6kg, nickel oxide 0.9kg, cobalt oxide 1.0kg, calcium carbonate 3.5kg, sodium fluorosilicate 1.8kg, titanium dioxide 2.5kg, potassium feldspar 1.2kg , lithium carbonate 5.4kg, fluorite 0.7kg.
[0043] SiO in quartz 2 The mass proportion of ≥99.5%, SiO in potassium feldspar 2 The mass proportion of calcium fluoride in fluorite is ≥ 71%, the mass proportion of calcium fluoride in fluorite is ≥ 95%, the mass proportion of titanium dioxide in titanium dioxide is ≥ 99.0%, the mass proportion of Co in cobalt oxide is ≥ 71%, and the mass proportion of Ni in nickel oxide The mass proportion of ≥71%, other raw materials are industrial grade purity.
[0044] (2) Stir and mix the above raw materials evenly.
[0045] (3) Put the uniformly mixed materials into the melting furnace for melting. When melting, the meltin...
Embodiment 2
[0049] The preparation process of this embodiment is basically the same as that of Example 1, except that the mass parts of each component in step (1) are: 50 kg of quartz, 24 kg of zero-water borax, 7.8 kg of soda ash, 1.6 kg of manganese oxide, and nickel oxide 0.9kg, cobalt oxide 1.0kg, calcium carbonate 3.2kg, sodium fluorosilicate 1.7kg, titanium dioxide 2.5kg, potassium feldspar 1.3kg, lithium carbonate 5.4kg, fluorite 0.7kg.
[0050] In step (5), the process of rapidly cooling the melted borosilicate glass body is by tableting.
Embodiment 3
[0052] The preparation process of this example is basically the same as that of Example 1, except that the mass parts of each component in step (1) are: 50kg of quartz, 24.9kg of zero-water borax, 8.9kg of soda ash, 1.6kg of manganese oxide, and Nickel 0.9kg, cobalt oxide 1.0kg, calcium carbonate 2.9kg, sodium fluorosilicate 1.4kg, titanium dioxide 2.5kg, potassium feldspar 1.5kg, lithium carbonate 5.4kg, fluorite 0.7kg.
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