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Nitrate-free environment-friendly steel plate enamel medium-temperature titanium white cover glaze and preparation method thereof

An environmentally friendly, nitrate-based technology applied in the field of enamel

Pending Publication Date: 2022-04-15
SINOPIGMENT & ENAMEL CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The first purpose of the present invention is to provide a nitrate-free environment-friendly steel plate enamel medium-temperature titanium white surface glaze without reducing the performance indicators of the product in view of the above-mentioned environmental protection problems existing in the current traditional nitrate-containing steel plate enamel enamel

Method used

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  • Nitrate-free environment-friendly steel plate enamel medium-temperature titanium white cover glaze and preparation method thereof
  • Nitrate-free environment-friendly steel plate enamel medium-temperature titanium white cover glaze and preparation method thereof
  • Nitrate-free environment-friendly steel plate enamel medium-temperature titanium white cover glaze and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0043] (1) Take the raw materials by the mass parts of the following components:

[0044] Quartz 36.8KG, Zero Water Borax 28KG, Cobalt Oxide 0.02KG, Titanium Dioxide 16.5KG, Magnesium Carbonate 2.6KG, Trisodium Phosphate 10.5KG, Sodium Fluosilicate 7KG, Potassium Carbonate 5KG, Aluminum Oxide 2.2KG.

[0045] (2) Stir and mix the above raw materials evenly.

[0046] (3) Put the uniformly mixed material into a melting furnace, and melt it under the condition of pure oxygen, and control the melting temperature at 1260±10°C.

[0047] (4) After the above materials are completely melted, the borosilicate glass body is obtained, and the molten borosilicate glass body is brazed, and quickly drawn into a glass filament of 1.2 to 1.5 meters for detection. The detection requirement is: within 1 meter of the glass filament. The knot is the completion of melting.

[0048] (5) Quenching (water quenching) the melted borosilicate glass body to obtain the product.

Embodiment 2

[0050] The preparation process of this embodiment and embodiment 1 is basically the same, the difference is:

[0051] The mass parts of each component in the step (1) are: quartz 36.8KG, zero-water borax 29KG, cobalt oxide 0.02KG, titanium dioxide 16.5KG, magnesium carbonate 2.6KG, trisodium phosphate 10.5KG, sodium fluorosilicate 6KG, carbonic acid Potassium 4.5KG, aluminum oxide 2.2KG.

[0052] In step (5), rapid cooling of the melted borosilicate glass body adopts a tableting process.

Embodiment 3

[0054] The preparation process of this embodiment and embodiment 1 is basically the same, the difference is:

[0055] The mass parts of each component in the step (1) are: quartz 36.8KG, zero-water borax 30KG, cobalt oxide 0.02KG, titanium dioxide 16.5KG, magnesium carbonate 2.6KG, trisodium phosphate 10.5KG, sodium fluorosilicate 5KG, carbonic acid Potassium 4KG, aluminum oxide 2.2KG.

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Abstract

The invention discloses a nitrate-free environment-friendly steel plate enamel medium-temperature titanium white cover glaze and a preparation method thereof. The invention belongs to the technical field of enamel. The formula comprises the following components in parts by mass: 35-37 parts of quartz, 28-30 parts of borax anhydrous, 0.01-0.03 part of cobalt oxide, 16-18 parts of titanium dioxide, 2-4 parts of magnesium carbonate, 9-11 parts of trisodium phosphate, 5-7 parts of sodium fluosilicate, 3-5 parts of potassium carbonate and 1-3 parts of aluminum oxide. The raw materials are uniformly mixed according to the proportion and are molten under the condition of pure oxygen at 1260 + / -10 DEG C, and the firing temperature of the finished product is 800-840 DEG C. According to the present invention, the formula does not contain nitrate, such that the major technical problem of environmental pollution caused by emission of nitrogen oxide (NOx) gas generated during the production process of the existing steel plate enamel intermediate temperature titanium dioxide cover glaze is fundamentally solved.

Description

technical field [0001] The invention belongs to the technical field of enamel, and in particular relates to a nitrate-free environment-friendly steel plate enamel medium-temperature titanium white surface glaze and a preparation method thereof. Background technique [0002] Enamel enamel is mainly composed of feldspar, quartz and other refractory raw materials, borax, sodium nitrate, potassium nitrate, soda ash and other fusible chemical raw materials, as well as characteristic raw materials such as non-ferrous metal oxides. They are mixed in a certain proportion, melted at high temperature, and rapidly cooled into granules or flakes. Shaped borosilicate glass bodies were prepared. [0003] The introduction of nitrates (sodium nitrate, potassium nitrate, etc.) into enamel glazes as oxidants and fluxes has become a consensus in the industry, and it is an indispensable raw material for enamel glazes in traditional enamel theory. So far, there is no safe, colorless, reasonably...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/08C03C6/06C23D5/00
Inventor 汤上颜顺时唐龙
Owner SINOPIGMENT & ENAMEL CHEM
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