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Vanadium-titanium enamel glaze and preparation method thereof

An enamel glaze, vanadium-titanium technology, applied in the field of enamel materials, can solve the problems of insufficient glossiness of fired enamel glaze, insufficient acid and alkali resistance, high cost, etc., to improve hydrogen corrosion resistance and scale explosion resistance , The effect of improving the hydrogen storage capacity of steel

Active Publication Date: 2017-10-27
PANZHIHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the cost of vanadium-titanium enamel glaze is relatively high at present, the glossiness of fired enamel glaze is not enough, there is scale explosion phenomenon, and the acid and alkali resistance is not enough

Method used

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  • Vanadium-titanium enamel glaze and preparation method thereof
  • Vanadium-titanium enamel glaze and preparation method thereof
  • Vanadium-titanium enamel glaze and preparation method thereof

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preparation example Construction

[0030] The preparation method of vanadium-titanium enamel glaze comprises the following steps:

[0031] a. Pulverize vanadium-titanium-magnetite titanium tailings or vanadium-titanium superficial ore to a particle size of 60-80 mesh, calcinate at a temperature of 550-600°C for 40-60 minutes, quickly pour into cold water for quenching, and dry to obtain Pretreated vanadium-titanium magnetite tailings or vanadium-titanium superficial ore;

[0032]b. 22-28 parts of pretreated vanadium-titanium magnetite titanium tailings or vanadium-titanium superficial ore, 20-22 parts of feldspar powder, 5-8 parts of quartz sand, 24-26 parts of borax, and 1.5 parts of sodium nitrate ~2 parts, lithium carbonate 3.5~5.5 parts, fluorite powder 5~7 parts, sodium fluorosilicate 0.1~0.3 parts, cryolite 3~5 parts, limestone 2~4 parts, cobalt nitrate 3~4 parts, nickel nitrate 1 ~2 parts, 2~3 parts of sodium vanadate and 1~2 parts of antimony oxide are mixed evenly, and the mixing uniformity is ≥98%; ...

Embodiment 1

[0041] Calcined at 550°C for 40 minutes according to weight ratio, poured into cold water, quenched, dried and pretreated, 28 parts of vanadium-titanium magnetite titanium tailings, 22 parts of feldspar powder, 8 parts of quartz sand, 26 parts of borax, sodium nitrate 1.5 parts, 3.5 parts of lithium carbonate, 5 parts of fluorite powder, 0.3 parts of sodium fluorosilicate, 5 parts of cryolite, 3 parts of limestone, 3.5 parts of cobalt nitrate, 1 part of nickel nitrate, 2 parts of sodium vanadate, 1 part of antimony oxide mixed Uniformity, mixing uniformity ≥ 98%. Transfer the mixed material into an electric furnace or a kiln and heat it to 850°C for 1 hour, then heat it to 1200°C and hold it for 1.5 hours to obtain a uniform molten enamel. The fused enamel is drawn without knots, poured into cold water, quenched and crushed, taken out and dried. Take 100 parts of enamel, 0.5 part of borax, 0.2 part of sodium nitrite, 7 parts of clay, 0.5 part of bentonite, and 1 part of magne...

Embodiment 2

[0044] Calcined at 550°C for 40 minutes according to the weight ratio, poured into cold water, quenched and dried pretreated vanadium-titanium magnetite titanium tailings 28 parts, feldspar powder 22 parts, quartz sand 5 parts, borax 26 parts, sodium nitrate 1.5 parts, 5.5 parts of lithium carbonate, 0.3 parts of sodium fluorosilicate, 5 parts of fluorite powder, 4.5 parts of cryolite, 3 parts of limestone, 3.5 parts of cobalt nitrate, 1 part of nickel nitrate, 2 parts of antimony oxide. ≥98%. Transfer the mixed material into an electric furnace or kiln and heat it to 800-850°C for 1 hour, then heat it to 1200°C and hold it for 1.5 hours to obtain a uniform molten enamel. The fused enamel is drawn without knots, poured into cold water, quenched and crushed, taken out and dried. Take 100 parts of enamel, 1 part of borax, 0.2 part of sodium nitrite, 5 parts of clay, 0.5 part of bentonite, and 1 part of magnesium sulfate and pulverize to a particle size of -200 mesh ≥ 98% to pre...

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Abstract

The invention belongs to the technical field of enamel materials, and in particular relates to a vanadium-titanium enamel glaze and a preparation method thereof. The technical problem to be solved by the present invention is that the cost of vanadium-titanium enamel glaze is relatively high at present, the glossiness of fired enamel glaze surface is not enough, there is scale phenomenon, and the acid and alkali resistance is not enough. The solution of the present invention to solve the above-mentioned technical problems is to provide a vanadium-titanium enamel glaze, the ratio of raw materials is calculated in parts by mass: pretreated vanadium-titanium magnetite titanium tailings or vanadium-titanium extra-surface ore 22-28 20-22 parts of feldspar powder, 5-8 parts of quartz sand, 24-26 parts of borax, 1.5-2 parts of sodium nitrate, 3.5-5.5 parts of lithium carbonate, 5-7 parts of fluorite powder, 0.1-0.3 parts of sodium fluorosilicate 3-5 parts of cryolite, 2-4 parts of limestone, 3-4 parts of cobalt nitrate, 1-2 parts of nickel nitrate, 2-3 parts of sodium vanadate and 1-2 parts of antimony oxide. The vanadium-titanium enamel glaze material provided by the invention is firmly combined with the carbon steel body, and its acid and alkali resistance is better than the national standard, and can be used for various substrates of hot-rolled carbon steel and cast iron.

Description

technical field [0001] The invention belongs to the technical field of enamel materials, and in particular relates to a vanadium-titanium enamel glaze and a preparation method thereof. Background technique [0002] Enamel glaze is a material that covers the outside of the body after melting inorganic powders such as silicate and oxide at high temperature. The composition of enamel generally belongs to borosilicate glass, with a silicon content of more than 65%, high corrosion resistance and wear resistance, good surface finish, and easy cleaning. The structure is different from general ceramic coatings, and its outstanding feature is that it has glass properties. It belongs to the structure of long-range disorder and short-range order, in which there are a certain number and size of relatively regularly arranged micro-regions, so it has microscopic inhomogeneity, but from its macroscopic structure, it is uniform and disordered. The enamel coating not only has a smooth and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/00
Inventor 舒明勇钟庆东尹海英刘光辉
Owner PANZHIHUA UNIV
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