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Nitrate-free environment-friendly cast iron enamel titanium white cover glaze and preparation method thereof

An environmentally friendly, nitrate technology, applied in the field of enamel, to achieve the effect of solving environmental pollution

Pending Publication Date: 2022-04-12
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 cast iron enamel 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 cast iron enamel enamel

Method used

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  • Nitrate-free environment-friendly cast iron enamel titanium white cover glaze and preparation method thereof
  • Nitrate-free environment-friendly cast iron enamel titanium white cover glaze and preparation method thereof
  • Nitrate-free environment-friendly cast iron enamel titanium white cover glaze and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1) Take the raw materials by the mass parts of the following components:

[0045] Quartz 32.5KG, zero-water borax 18.5KG, titanium dioxide 14KG, magnesium carbonate 2KG, sodium tripolyphosphate 2.8KG, sodium fluorosilicate 8KG, potassium carbonate 5KG, lithium carbonate 2.2KG, potassium feldspar 2.5KG.

[0046] (2) Stir and mix the above raw materials evenly.

[0047] (3) Put the uniformly mixed material into the melting furnace, and melt it under the condition of pure oxygen, and control the melting temperature at 1230±10°C.

[0048] (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.

[0049] (5) Quenching (water quenching) the melted borosilicate glass body to obtain the product.

Embodiment 2

[0051] The preparation process of this embodiment and embodiment 1 is basically the same, the difference is:

[0052] The mass parts of each component in the step (1) is: quartz 32.5KG, zero-water borax 20KG, titanium dioxide 14KG, magnesium carbonate 2KG, sodium tripolyphosphate 2.8KG, sodium fluosilicate 7KG, potassium carbonate 4.5KG, lithium carbonate 2.2KG, potassium feldspar 2.5KG.

[0053] In step (5), rapid cooling of the melted borosilicate glass body adopts a tableting process.

Embodiment 3

[0055] The preparation process of this embodiment and embodiment 1 is basically the same, the difference is:

[0056] The mass parts of each component in the step (1) are: quartz 32.5KG, zero-water borax 21KG, titanium dioxide 14KG, magnesium carbonate 2KG, sodium tripolyphosphate 2.8KG, sodium fluosilicate 6.5KG, potassium carbonate 4KG, lithium carbonate 2.2KG, potassium feldspar 2.5KG.

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Abstract

The invention discloses nitrate-free environment-friendly cast iron enamel 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: 30-33 parts of quartz, 18-21 parts of borax anhydrous, 14-16 parts of titanium dioxide, 1-2 parts of magnesium carbonate, 2-4 parts of sodium tripolyphosphate, 6-8 parts of sodium fluosilicate, 3-5 parts of potassium carbonate, 2-3 parts of lithium carbonate and 2-3 parts of potassium feldspar. The raw materials are uniformly mixed according to the proportion and are molten under the condition of pure oxygen at 1230 + / -10 DEG C, and the firing temperature of the finished product is 740-780 DEG C. The formula does not contain nitrate, and the major technical problem that in the production process of existing cast iron enamel titanium white cover glaze, nitrogen oxide (NOx) gas is generated and discharged to pollute the environment 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 cast iron enamel 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 priced oxidizing and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/00C23D1/00C23D11/00
Inventor 汤上陈淑兰
Owner SINOPIGMENT & ENAMEL CHEM
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