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Paving brick for glass kiln and production process thereof

A glass kiln and paving brick technology, applied in glass production, glass furnace equipment, glass manufacturing equipment, etc., can solve the problems of easy cracks or missing corners, delayed production cycle, low production efficiency, etc., and achieve good high temperature resistance performance. and corrosion resistance, improve thermal shock stability, reduce heat loss

Active Publication Date: 2019-06-18
江苏徐耐新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the refractory bricks disclosed in this application are formed by extruding various powders through a molding machine, and various powders will be unevenly mixed when mixed, that is, various returned materials cannot react uniformly during sintering. Thus affecting the performance of the prepared bricks, the produced bricks are prone to cracks or missing corners
[0008] And the production process currently used to produce paving bricks for glass kilns is mainly single-block production, that is, only one paving brick can be produced in one sand mold, so the qualified rate of paving bricks produced in this way is low, and the area occupied by the riser of the product is relatively large. Large, which increases the production cost, only a small amount of sand mold can be placed in the incubator, that is, the production efficiency is very low, which increases the production cost and delays the production cycle

Method used

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  • Paving brick for glass kiln and production process thereof
  • Paving brick for glass kiln and production process thereof
  • Paving brick for glass kiln and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1 A kind of pavement brick for glass kiln

[0041] Formula: 30 parts of natural zircon sand, 30 parts of alumina powder, 1.6 parts of soda ash, 1.5 parts of fluorite powder, 2 parts of silica powder and 8 parts of titanium dioxide.

[0042]Preparation method: specifically comprise the following steps:

[0043] (1) Mix the components in the formula dosage evenly in proportion, then heat and melt in an electric arc furnace to obtain a molten liquid, and cast the molten liquid into the sand mold of the incubator at 1820°C;

[0044] (2) The molten solution is insulated and annealed in an incubator for 12 days and then out of the case to obtain the rough product of the paving brick;

[0045] (3) After the rough product obtained in step (2) is sand-cleaned, the riser is cut and each surface is ground, it is packaged to obtain the finished paving brick.

[0046] The insulation box described in step (1) and step (2) is filled with insulation material, and the insul...

Embodiment 2

[0047] Embodiment 2 A kind of pavement brick for glass kiln

[0048] Formula: 35 parts of natural zircon sand, 38 parts of alumina powder, 1.8 parts of soda ash, 2.2 parts of fluorite powder, 3 parts of silica powder and 9.5 parts of titanium dioxide.

[0049] Preparation method: specifically comprise the following steps:

[0050] (1) Mix the components in the formula dosage evenly in proportion, then heat and melt in an electric arc furnace to obtain a molten solution, and cast the molten solution into the sand mold of the incubator at 1840°C;

[0051] (2) The molten solution is insulated and annealed in an incubator for 10 days and then out of the case to obtain the rough product of the paving brick;

[0052] (3) After the rough product obtained in step (2) is sand-cleaned, the riser is cut and each surface is ground, it is packaged to obtain the finished paving brick.

[0053] The insulation box described in step (1) and step (2) is filled with insulation material, the si...

Embodiment 3

[0054] Embodiment 3 A kind of pavement brick for glass kiln

[0055] Formula: 40 parts of natural zircon sand, 45 parts of alumina powder, 2.1 parts of soda ash, 1.8 parts of fluorite powder, 4.5 parts of silica powder and 10 parts of titanium dioxide.

[0056] Preparation method: specifically comprise the following steps:

[0057] (1) Mix the components in the formula dosage evenly in proportion, then heat and melt in an electric arc furnace to obtain a molten solution, and cast the molten solution into the sand mold of the incubator at 1850°C;

[0058] (2) The molten solution is insulated and annealed in an incubator for 13 days and then out of the case to obtain the rough product of the paving brick;

[0059] (3) After the rough product obtained in step (2) is sand-cleaned, the riser is cut and each surface is ground, it is packaged to obtain the finished paving brick.

[0060] The insulation box described in step (1) and step (2) is filled with insulation material, and t...

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Abstract

The invention provides paving bricks for a glass kiln and a production process thereof. The paving bricks are prepared from the following raw materials in parts by weight: 30-50 parts of natural zircon sand, 30-50 parts of aluminum oxide powder, 1-3 parts of sodium carbonate, 1-5 parts of fluorite powder, 2-8 parts of silica powder and 8-16 parts of titanium dioxide. By controlling the proportionof the components reasonably and selecting an insulating material reasonably, the prepared paving bricks have excellent performance. In the embodiment process, the sand form of the prepared sand is improved. 15 paving bricks can be produced at one time in one insulating oven after the sand form is improved. The paving bricks are good in quality and high in percent of pass. In the production process, the paving bricks need not to be melted frequently, so that scattering of a feed liquid is reduced, the casting time is shortened and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of production of paving bricks, and in particular relates to a paving brick for a glass kiln and a production process thereof. Background technique [0002] All material products that can be used in kiln masonry projects and have a melting point higher than 1588°C are collectively referred to as "refractory products" and are also called refractory bricks. Refractory bricks can be divided into clay, high alumina, Silicon, semi-silicon, magnesium, magnesium aluminum, magnesium silicon, magnesium chromium, dolomite, corundum, zirconium corundum, mullite, zirconium mullite, quartz, alumina and silicon carbide etc. [0003] Refractory materials refer to inorganic non-metallic materials with a refractoriness of at least 1500°C. Refractoriness refers to the Celsius temperature at which a refractory conical sample can resist high temperature without softening and melting without load. Refractory materials are wid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B5/43C04B35/109C04B35/484C04B35/657
CPCC03B5/43C04B35/109C04B35/484C04B35/657C04B2235/3201C04B2235/3232C04B2235/3418C04B2235/445C04B2235/9607C04B2235/9669Y02P40/57
Inventor 彭广成王明彭广侠张雪沈超群
Owner 江苏徐耐新材料科技股份有限公司
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