CN104725060B - A kind of secondary siliceous mullite brick is the high-strength refractory castable of aggregate - Google Patents
A kind of secondary siliceous mullite brick is the high-strength refractory castable of aggregate Download PDFInfo
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- CN104725060B CN104725060B CN201510114449.5A CN201510114449A CN104725060B CN 104725060 B CN104725060 B CN 104725060B CN 201510114449 A CN201510114449 A CN 201510114449A CN 104725060 B CN104725060 B CN 104725060B
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- mullite brick
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Abstract
A kind of secondary siliceous mullite brick is the high-strength refractory castable of aggregate, belongs to refractory castable for cement kiln technical field.It is formulated as with mass percent: the secondary siliceous mullite brick 50～60% of granularity≤8mm, the useless porcelain block 10～20% of granularity≤8mm, silicon powder 2～6%, aluminate cement 3～7%, high-alumina fly 5～10%, the silica flour 3～8% of 180 mesh, the another additive adding said ratio 0.02～0.23wt%.Advantage is: realize the regeneration of waste refractory materials, makes resource be recycled, and improves the serviceability of product simultaneously.
Description
Technical field
The invention belongs to refractory castable for cement kiln technical field, specifically providing a kind of secondary siliceous mullite brick is aggregate
High-strength refractory castable.
Background technology
Refractory material is the important auxiliary material of Ferrous Metallurgy, cement, electric power, petrochemical industry, has extensively in every profession and trade
Application.China's current year consumes refractory material about 10,000,000 t, and waste and old refractory material reaches 4,000,000 t, if can make waste and old fire-resistant
Closed matereial cycle, also can be greatly lowered the preparation cost of refractory material, and drive the cost of industry industrial products decline with
Development will bring significant economic and social profit.
The regeneration of domestic waste refractory materials is also in the stage at the early-stage, and developed countries is to discarded fire proofed wood
The exploitation of material are more Zao than China.The regeneration rate of China's refractory material is the highest, only reaches 20%, and metallurgy industry is waste and old resistance to
Fire MAT'L recycling rate is about 40%.At present, the waste and old resistance to material of most enterprises substantially uses buries process, relevant test
Research display: use a high proportion of waste and old refractory material can make the refractory brick of high-quality, castable, ramming mass, material for repairing, spatter
The very value product such as slag furnace retaining material, tapping hole filler, stuffing sand and slag former, and properties of product can be close to or up
The level of original product, some can also exceed the level of original product.Therefore, constantly appreciate in fireproof raw material market, resistance to fire preparing
Today that the finished product market price is constantly reduced by user's cost needs, give full play to waste and old resistance to material replacing as fire-resistant manufactured goods
For thing, by technological means, promote its value further, have great importance.
Summary of the invention
It is an object of the invention to provide the high-strength refractory castable that a kind of secondary siliceous mullite brick is aggregate, solve product
This height, the problem of strength character difference.Make waste refractory materials in castable again with.
A kind of secondary siliceous mullite brick is the high-strength refractory castable of aggregate, is formulated as with mass percent: the two of granularity≤8mm
Secondary siliceous mullite brick 50～60%, the useless porcelain block 10～20% of granularity≤8mm, silicon powder 2～6%, aluminate cement 3～7% is high
Aluminium powder 5～10%, the silica flour 3～8% of 180 mesh；The another additive adding said ratio 0.02～0.23wt%.
Al in secondary siliceous mullite brick2O3Content 60-65wt%, SiC content 5-10wt%, SiO2Content 15-25wt%.
Al in useless porcelain block2O3Content 45-55wt%, SiO2Content 30-45wt%.
Additive is one or more in sodium tripolyphosphate, sodium hexameta phosphate, sodium lignin sulfonate and Lithium hydrate.
It is an advantage of the current invention that: realize the regeneration of waste refractory materials, make resource be recycled, carry simultaneously
The high serviceability of product.First application secondary siliceous mullite brick, as aggregate, makes used refractory obtain in castable again
Making profits use, the high-strength refractory castable simultaneously prepared can operate with the industries such as electric power, environmental protection, smelting and heating, improves equipment
Running rate, improves production efficiency；Secondly this products application secondary siliceous mullite brick effectively reduces cost, and properties of product are also improved,
Production technology is simple, serviceability is good, reduces environmental pollution, makes resources circulation recycle.
Detailed description of the invention
The proportioning raw materials of high-strength refractory castable of the present invention is prepared according to the following percentages by weight:
Additive content is the 0.02wt% of said ratio.
Production method is: first aluminate cement, additive are premixed in batch mixer, premixes the most standby, then by secondary
Siliceous mullite brick, useless electroceramics block, silica flour, silicon ash, high-alumina fly are common with the cement mixed, additive premix material in batch mixer
Mixing, the castable bag distribution packaging that will mix after mix homogeneously.
By the properties such as following table of the high-strength refractory castable that present example produces
Claims (2)
1. a secondary siliceous mullite brick is the high-strength refractory castable of aggregate, it is characterised in that: it is formulated as with mass percent: granularity
The secondary siliceous mullite brick 50～60% of≤8mm, the useless porcelain block 10～20% of granularity≤8mm, silicon powder 2～6%, aluminate cement
3～7%, high-alumina fly 5～10%, the silica flour 3～8% of 180 mesh；Separately add the additional of said ratio 0.02～0.23wt%
Agent；
Al in secondary siliceous mullite brick2O3Content 60-65wt%, SiC content 5-10wt%, SiO2Content 15-25wt%；
Al in useless porcelain block2O3Content 45-55wt%, SiO2Content 30-45wt%.
High-strength refractory castable the most according to claim 1, it is characterised in that: additive is sodium tripolyphosphate, six inclined phosphorus
One or more in acid sodium, sodium lignin sulfonate and Lithium hydrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114449.5A CN104725060B (en) | 2015-03-16 | 2015-03-16 | A kind of secondary siliceous mullite brick is the high-strength refractory castable of aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114449.5A CN104725060B (en) | 2015-03-16 | 2015-03-16 | A kind of secondary siliceous mullite brick is the high-strength refractory castable of aggregate |
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| Publication Number | Publication Date |
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| CN104725060A CN104725060A (en) | 2015-06-24 |
| CN104725060B true CN104725060B (en) | 2016-08-31 |
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| CN201510114449.5A Active CN104725060B (en) | 2015-03-16 | 2015-03-16 | A kind of secondary siliceous mullite brick is the high-strength refractory castable of aggregate |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045536A (en) * | 2016-06-08 | 2016-10-26 | 郑州市豫茂工贸有限公司 | Novel refractory block for flue wall of roasting furnace and preparation method of novel refractory block |
| CN106747493A (en) * | 2016-11-24 | 2017-05-31 | 通达耐火技术股份有限公司 | A kind of secondary siliceous mullite brick coating |
| CN111718143A (en) * | 2020-06-10 | 2020-09-29 | 西安建筑科技大学 | High-wear-resistance anti-skid pavement aggregate, pavement and preparation method |
| CN111848192A (en) * | 2020-07-31 | 2020-10-30 | 北京金隅通达耐火技术有限公司 | Refractory material prepared from waste high-alumina ceramic balls and waste shed plate |
| CN113045322B (en) * | 2021-03-17 | 2022-09-06 | 北京金隅通达耐火技术有限公司 | High-thermal-conductivity wear-resistant castable prepared from secondary silicon mullite bricks |
| CN113354402B (en) * | 2021-06-25 | 2023-02-28 | 西安建筑科技大学 | Surface modification method of used cement kiln silicon mullite brick and iron runner castable |
| CN115536407A (en) * | 2022-09-30 | 2022-12-30 | 安徽芜湖海螺建筑安装工程有限责任公司 | Castable special for cement kiln and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515793B (en) * | 2011-11-30 | 2013-09-25 | 浙江锦诚耐火材料有限公司 | Prefabricated part used for grate cooler sunk fence |
| CN102515792B (en) * | 2011-11-30 | 2014-02-26 | 浙江锦诚耐火材料有限公司 | High-strength, wear-resistant and quick-change preform |
| CN102757249A (en) * | 2012-08-01 | 2012-10-31 | 山国强 | Refractory castable for molten iron tank |
| CN103819204B (en) * | 2013-11-12 | 2015-09-30 | 长兴兴鹰新型耐火建材有限公司 | Silicon carbide electrofused mullite matter wear-resistant castable |
| CN103739299B (en) * | 2013-12-16 | 2015-05-20 | 洛阳利尔耐火材料有限公司 | Fire-resistant self-flow castable |
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Address after: 100085, Beijing, Haidian District Qinghe Anning East Road No. 1 hospital Patentee after: Beijing Jinyu Tongda refractory Technology Co.,Ltd. Address before: 100035, Qinghe Road, Qinghe, Beijing, Haidian District, No. 1 Patentee before: TONGDA REFRACTORY TECHNOLOGIES Co.,Ltd. |