CN104829249A - Method for preparing high-alumina refractory brick - Google Patents
Method for preparing high-alumina refractory brick Download PDFInfo
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- CN104829249A CN104829249A CN201510169847.7A CN201510169847A CN104829249A CN 104829249 A CN104829249 A CN 104829249A CN 201510169847 A CN201510169847 A CN 201510169847A CN 104829249 A CN104829249 A CN 104829249A
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Abstract
The present invention provides a method for preparing a high-alumina refractory brick with prolonged service life. The high-alumina refractory brick comprises the following raw materials by weight: 20-30% of fused alumina powder, 15-20% of tabular alumina, 20-25% of alumina powder, 5-8% of magnesia powder, 5-10% of zirconia powder, 5-10% of sodium silicate, 5-8% of andalusite powder, and 2-3% of a titanium diboride additive, wherein the total amount of the raw material is 100%. The preparation method comprises the following steps: 1, weighing the above raw materials, adding water and mixing the, wherein the weight ratio of the raw material to water is 5-8: 1, and then uniformly stirring for 30-45min; 2, adding the stirred mixture into a mold and hammering for 5-8 min to flatten the surface, naturally placing for 2-3h, demolding, airing in the shade after for 2-3 days for firing; and 3, sintering the product to be sintered at 1700-1750 DEG C to obtain the high-alumina refractory brick.
Description
Technical field
The present invention relates to the refractory brick that a kind of glass furnace inwall uses, be specifically related to a kind of preparation method of alumina firebrick.
Background technology
More there is perishable, that resistance is poor problem in the alumina firebrick that existing glass furnace passage uses, this have impact on the work-ing life of refractory brick greatly, also reduces the quality of produced glass simultaneously.
Summary of the invention
Technical problem to be solved by this invention is the preparation method providing a kind of alumina firebrick, can extend the work-ing life of this alumina firebrick.
For solving above-mentioned existing technical problem, the present invention adopts following scheme: a kind of preparation method of alumina firebrick, described alumina firebrick comprises the raw material of following portions by weight: fused corundom powder 20-30%, plate diamond spar 15-20%, alumina powder 20-25%, magnesia powder 5-8%, titanium dioxide zirconium powder 5-10%, water glass 5-10%, andaluzite powder 5-8%, titanium boride additive 2-3%, and above-mentioned raw materials total amount is 100%; The preparation method of described alumina firebrick comprises the following steps: step one, take above-mentioned raw materials by weight percentage after to add water mixing, the mass ratio of raw material and water is 5-8:1, then uniform stirring 30-45min; Step 2, in mould, add the compound after stirring and 5-8min smash by hammer, and make surfacing, after placement 2-3h, the demoulding hangs 2-3 days in the cool and must treat burning product naturally; Step 3, treat that burning product sinter at the temperature of 1700-1750 DEG C obtain alumina firebrick by described.
As preferably, in described fused corundom powder, the mass content of Al2O3 is more than 90%, the granularity of described fused corundom powder, water glass, magnesia powder is all at below 3mm, and the granularity of described alumina powder is below 2mm, and the granularity of described titanium dioxide zirconium powder, andaluzite powder is below 1mm.
As preferably, described refractory brick comprises the raw material of following portions by weight: fused corundom powder 30%, plate diamond spar 20%, alumina powder 20%, magnesia powder 6%, titanium dioxide zirconium powder 5%, water glass 10%, andaluzite powder 7%, titanium boride additive 2%.
Beneficial effect:
After the present invention adopts technique scheme, be optimized by the component to refractory brick, proportioning and technique, the object in the work-ing life extending refractory brick can be reached.
Embodiment
A kind of preparation method of alumina firebrick, described alumina firebrick comprises the raw material of following portions by weight: fused corundom powder 20-30%, plate diamond spar 15-20%, alumina powder 20-25%, magnesia powder 5-8%, titanium dioxide zirconium powder 5-10%, water glass 5-10%, andaluzite powder 5-8%, titanium boride additive 2-3%, and above-mentioned raw materials total amount is 100%; It is characterized in that, the preparation method of described alumina firebrick comprises the following steps: step one, take above-mentioned raw materials by weight percentage after to add water mixing, the mass ratio of raw material and water is 5-8:1, then uniform stirring 30-45min; Step 2, in mould, add the compound after stirring and 5-8min smash by hammer, and make surfacing, after placement 2-3h, the demoulding hangs 2-3 days in the cool and must treat burning product naturally; Step 3, treat that burning product sinter at the temperature of 1700-1750 DEG C obtain alumina firebrick by described.
In this embodiment, Al in described fused corundom powder
2o
3mass content be more than 90%, the granularity of described fused corundom powder, water glass, magnesia powder is all at below 3mm, and the granularity of described alumina powder is below 2mm, and the granularity of described titanium dioxide zirconium powder, andaluzite powder is below 1mm.
In this embodiment, preferred described refractory brick comprises the raw material of following portions by weight: fused corundom powder 30%, plate diamond spar 20%, alumina powder 20%, magnesia powder 6%, titanium dioxide zirconium powder 5%, water glass 10%, andaluzite powder 7%, titanium boride additive 2%.
Claims (3)
1. the preparation method of an alumina firebrick, described alumina firebrick comprises the raw material of following portions by weight: fused corundom powder 20-30%, plate diamond spar 15-20%, alumina powder 20-25%, magnesia powder 5-8%, titanium dioxide zirconium powder 5-10%, water glass 5-10%, andaluzite powder 5-8%, titanium boride additive 2-3%, and above-mentioned raw materials total amount is 100%; It is characterized in that, the preparation method of described alumina firebrick comprises the following steps: step one, take above-mentioned raw materials by weight percentage after to add water mixing, the mass ratio of raw material and water is 5-8:1, then uniform stirring 30-45min; Step 2, in mould, add the compound after stirring and 5-8min smash by hammer, and make surfacing, after placement 2-3h, the demoulding hangs 2-3 days in the cool and must treat burning product naturally; Step 3, treat that burning product sinter at the temperature of 1700-1750 DEG C obtain alumina firebrick by described.
2. the preparation method of a kind of alumina firebrick according to claim 1, is characterized in that: Al in described fused corundom powder
2o
3mass content be more than 90%, the granularity of described fused corundom powder, water glass, magnesia powder is all at below 3mm, and the granularity of described alumina powder is below 2mm, and the granularity of described titanium dioxide zirconium powder, andaluzite powder is below 1mm.
3. the preparation method of a kind of alumina firebrick according to claim 1 and 2, is characterized in that: described refractory brick comprises the raw material of following portions by weight: fused corundom powder 30%, plate diamond spar 20%, alumina powder 20%, magnesia powder 6%, titanium dioxide zirconium powder 5%, water glass 10%, andaluzite powder 7%, titanium boride additive 2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169847.7A CN104829249A (en) | 2015-04-10 | 2015-04-10 | Method for preparing high-alumina refractory brick |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169847.7A CN104829249A (en) | 2015-04-10 | 2015-04-10 | Method for preparing high-alumina refractory brick |
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| CN104829249A true CN104829249A (en) | 2015-08-12 |
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| CN201510169847.7A Pending CN104829249A (en) | 2015-04-10 | 2015-04-10 | Method for preparing high-alumina refractory brick |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367097A (en) * | 2015-11-24 | 2016-03-02 | 怀宁县凉亭建材有限责任公司 | Preparation method for novel refractory brick |
| CN105693209A (en) * | 2016-01-20 | 2016-06-22 | 广西丛欣实业有限公司 | Sintered brick |
| CN106220152A (en) * | 2016-07-22 | 2016-12-14 | 武汉科技大学 | A kind of high temperature kiln high alumina refractories and preparation method thereof |
| CN106565223A (en) * | 2016-11-09 | 2017-04-19 | 安徽新盾消防设备有限公司 | High-alumina refractory brick |
-
2015
- 2015-04-10 CN CN201510169847.7A patent/CN104829249A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367097A (en) * | 2015-11-24 | 2016-03-02 | 怀宁县凉亭建材有限责任公司 | Preparation method for novel refractory brick |
| CN105693209A (en) * | 2016-01-20 | 2016-06-22 | 广西丛欣实业有限公司 | Sintered brick |
| CN106220152A (en) * | 2016-07-22 | 2016-12-14 | 武汉科技大学 | A kind of high temperature kiln high alumina refractories and preparation method thereof |
| CN106220152B (en) * | 2016-07-22 | 2018-09-21 | 武汉科技大学 | A kind of high temperature kiln high alumina refractories and preparation method thereof |
| CN106565223A (en) * | 2016-11-09 | 2017-04-19 | 安徽新盾消防设备有限公司 | High-alumina refractory brick |
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Application publication date: 20150812 |
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| RJ01 | Rejection of invention patent application after publication |