CN101823895B - Fire, wear and acid resistant clinkery brick and preparation method thereof - Google Patents
Fire, wear and acid resistant clinkery brick and preparation method thereof Download PDFInfo
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- CN101823895B CN101823895B CN2010101633130A CN201010163313A CN101823895B CN 101823895 B CN101823895 B CN 101823895B CN 2010101633130 A CN2010101633130 A CN 2010101633130A CN 201010163313 A CN201010163313 A CN 201010163313A CN 101823895 B CN101823895 B CN 101823895B
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Abstract
The invention discloses a fire, wear and acid resistant clinkery brick which comprises 30 to 55 percent of waste ceramics, 20 to 45 percent of flint clay, 5 to 15 percent of clay, and 5 to 15 percent of modifier. The preparation method comprises the following steps that: the waste ceramics is cleared and crushed into 0.01 to 5mm grain size, the flint clay is crushed into 0.01 to 5mm grain size, and the clay and the modifier are ground into the granularity with 0.01 to 0.074 grain size; and then the dry materials are dry mixed uniformly, dextrin water topping which is 2 to 5 percent of the total weight of the dry materials is added in, pressed, formed, dried and fried for 3 to 8h at the high temperature of 1000 to 1300DEG C; and the materials are drawn and cooled, and a finished product is obtained after the acceptance is past. The invention has the advantages of high pressure resistant strength at normal temperature, smooth product surface, small friction coefficient, low wear rate, good thermal shock resistance, excellent corrosion resistance, low cost and one-step success of coke investment. As estimated, the service life of a coke cooling bench is prolonged by more than 3 times and is expected to be more than 10 years.
Description
Technical field
The present invention relates to a kind of refractory materials, refer in particular to a kind of fire, wear and acid resistant clinkery brick, the method for manufacture of this refractory materials is provided simultaneously.
Background technology
Along with the technical development of coking industry, improving constantly of Technology improvement and coking output correspondingly had higher requirement to cool Jiao Tai of coke oven and the very useful refractory materials of Coke Oven; And existing refractory materials exists wear resistance relatively poor; The problem that work-ing life is low for this reason, needs often to change clinker tile; Not only influence the ordinary production of coking coal, also increased production cost.
Summary of the invention
Technical problem to be solved by this invention is that the cool Jiao Tai of current coke oven uses and the high request of the very useful refractory materials of Coke Oven in order to adapt to; Simultaneously, a kind of high-intensity fire, wear and acid resistant clinkery brick and preparation method thereof that has is provided in order to prolong chemical anticorrosion waste stack work-ing life.
Fire, wear and acid resistant clinkery brick of the present invention, it comprises following component and content (weight ratio): waste ceramic 30-55%, flint clay 20-45%, potter's clay 5-15%, properties-correcting agent 5-15%.
Al in the above-mentioned flint clay
2O
3Be 42-50%, Fe
2O
3≤2.5%, the Al in the potter's clay
2O
3Be 20-30%, Fe
2O
3≤3.5%.
Mullite is 40-60% mutually in the properties-correcting agent, and other is the high silica glass body.
Above-mentioned waste ceramic granularity is 0.01-5mm, and the flint clay granularity is 0.01-5mm, and the potter's clay granularity is 0.01-0.074mm, and the properties-correcting agent granularity is 0.01-0.074mm.
In addition; The present invention also provides the preparation method of this fire, wear and acid resistant clinkery brick; It may further comprise the steps (being weight ratio): with being broken for the 0.01-5mm particle diameter after the waste ceramic cleaning, flint clay is broken for the 0.01-5mm particle diameter, and it is the 0.01-0.074mm particle diameter that potter's clay and properties-correcting agent are ground to granularity; Afterwards with the waste ceramic of 30-55%, the flint clay of 20-45%, the potter's clay of 5-15% and the properties-correcting agent of 5-15% is dried to be mixed evenly, adds the dextrin water spice of the aforementioned siccative gross weight of 2-5% again, and this dextrin water concentration is 30-60%, compression moulding in high tonnage press; Afterwards at drying room with 30-60 ℃ of dry 3-5 days, advance tunnel at 1000-1300 ℃ of following high-temperature firing 3-8h; Kiln discharge cooling, acceptance(check) get product.
The fire, wear and acid resistant clinkery brick of this explained hereafter is compared with common clinker tile and other wear-resisting clinker tile, and great advantage is that cold crushing strength is high, surpasses 100MPa; This product surface is smooth, and frictional coefficient is little, and wear rate is low; Thermal shock resistance is good, and erosion resistance is excellent, and cost is low.Once success of Jiao is put in operation, and according to measuring and calculating, cool burnt platform improves more than three times work-ing life, estimates to reach more than 10 years.Become the quality products of new generation that cool Jiao Tai of coke oven and furnace roof prolong furnace life, be used for chemical anticorrosion waste stack liner, can prolong chimney work-ing life.
Description of drawings
Fig. 1 is a preparing method's of the present invention schema.
Embodiment
Below in conjunction with specific embodiment the present invention is described further, following component is weight ratio.
Embodiment 1:
As shown in Figure 1, with being broken for the 0.01-5mm particle diameter after the waste ceramic cleaning, flint clay is broken for the 0.01-5mm particle diameter, and it is the 0.01-0.074mm particle diameter that potter's clay and properties-correcting agent are ground to granularity; Afterwards with 30% waste ceramic, 45% flint clay, 10% potter's clay and 15% properties-correcting agent is dried to be mixed evenly, and mullite is 40% mutually in the properties-correcting agent, and the high silica glass body is 60%.Add the dextrin water spice of 2% aforementioned siccative gross weight again, this dextrin water concentration is 30%, compression moulding in high tonnage press; Afterwards at drying room with 30-60 ℃ of drying 3 days, advance tunnel at 1000-1300 ℃ of following high-temperature firing 4h; Kiln discharge cooling, acceptance(check) get product.
Embodiment 2:
With being broken for the 0.01-5mm particle diameter after the waste ceramic cleaning, flint clay is broken for the 0.01-5mm particle diameter, and it is the 0.01-0.074mm particle diameter that potter's clay and properties-correcting agent are ground to granularity; Afterwards with 55% waste ceramic, 20% flint clay, 15% potter's clay and 10% properties-correcting agent is dried to be mixed evenly, and mullite is 60% mutually in the properties-correcting agent, and the high silica glass body is 40%.Add the dextrin water spice of 5% aforementioned siccative gross weight again, this dextrin water concentration is 60%, compression moulding in high tonnage press; Afterwards at drying room with 30-60 ℃ of drying 5 days, advance tunnel at 1000-1300 ℃ of following high-temperature firing 8h; Kiln discharge cooling, acceptance(check) get product.
Embodiment 3:
With being broken for the 0.01-5mm particle diameter after the waste ceramic cleaning, flint clay is broken for 0.01-5mm, and it is 0.01-0.074mm that potter's clay and properties-correcting agent are ground to granularity; Afterwards with 45% waste ceramic, 35% flint clay, 12% potter's clay and 8% properties-correcting agent is dried to be mixed evenly, and mullite is 50% mutually in the properties-correcting agent, and the high silica glass body is 50%.Add the dextrin water spice of 4% aforementioned siccative gross weight again, this dextrin water concentration is 50%, compression moulding in high tonnage press; Afterwards at drying room with 30-60 ℃ of drying 4 days, advance tunnel at 1000-1300 ℃ of following high-temperature firing 6h; Kiln discharge cooling, acceptance(check) get product.
Adopting waste ceramic (most potteries all adopt injection forming, surface glazing water, refractoriness is all greater than 1500 ℃) among the present invention is part material.Because of pottery is an injection forming, material itself adds in the refractory materials than homogeneous, and quality is very stable.Ceramic surface glaze water can overflow in this product sintering process, forms one deck glaze at this product itself, and the surface is very smooth, and frictional coefficient is very little, and wear rate is low, thus product anti-ly wash away, wear-resisting.Because of the surface forms the glaze layer, it is inner that harmful etchant gas liquid is difficult to corrode product, thereby improve the corrosion resistance of product.
Flint clay is a kind of high-quality flint clay, and flint clay generally refers to ripe flint clay (CALCINED CLAY).It is that the flint clay raw ore forms after high-temperature calcination.Flint clay Al after the calcining
2O
3Content is at 42-50%, Fe
2O
3Be not more than 2%.Stable components, quality is even, compact structure, characteristics such as section is conchoidal, and it is low to have a thermal expansivity, and wear resisting property is high, and high temperature creep rate is low, and chemical resistance of concrete property is strong, and load softening point is high, and thermo-chemical stability is good.Excellent mechanics, thermal property helps the improvement or the raising of material medium and high temperature performance.
Add potter's clay (Yixing is called pottery all, abounds with potter's clay, has resources advantage) among the present invention and be in order to make refractory materials have good processability and sintering character, the general igloss of the potter's clay of selection≤15%, plasticity index>=4.5%.
The interpolation of properties-correcting agent mainly is in order to improve the thermal shock resistance of product, and the mineral composition of properties-correcting agent is mainly mullite and high silica glass body, self has thermal shock resistance preferably.
The present invention is the applicant on the basis of coking with clinker tile of original development and production, through technological test and use practice, has successfully developed with waste ceramic material as partial raw manufacturing high-strength abrasion-proof clinker tile.The most outstanding advantage of this brick is that cold crushing strength is high, smooth surface, and frictional coefficient is little, and wear rate is low, and thermal shock resistance is good, and erosion resistance is excellent, and cost is low.Become the quality products of new generation that cool Jiao Tai of coke oven and furnace roof prolong furnace life.Can be used for chemical anticorrosion waste stack liner, can prolong chimney work-ing life.
Claims (9)
1. a fire, wear and acid resistant clinkery brick is characterized in that comprising following component and weight ratio: waste ceramic 30-55%, flint clay 20-45%, potter's clay 5-15%, properties-correcting agent 5-15%.
2. fire, wear and acid resistant clinkery brick according to claim 1 is characterized in that the Al in the said flint clay
2O
3Be 42-50%, Fe
2O
3≤2.5%.
3. fire, wear and acid resistant clinkery brick according to claim 1 and 2 is characterized in that the Al in the potter's clay
2O
3Be 20-30%, Fe
2O
3≤3.5%.
4. fire, wear and acid resistant clinkery brick according to claim 1 and 2 is characterized in that properties-correcting agent is: mullite phase 40-60%, other is the high silica glass body.
5. fire, wear and acid resistant clinkery brick according to claim 1 and 2 is characterized in that the waste ceramic granularity is 0.01-5mm, and the flint clay granularity is 0.01-5mm, and the potter's clay granularity is 0.01-0.074mm, and the properties-correcting agent granularity is 0.01-0.074mm.
6. the preparation method of a fire, wear and acid resistant clinkery brick is characterized in that may further comprise the steps: with being broken for the 0.01-5mm particle diameter after the waste ceramic cleaning, flint clay is broken for the 0.01-5mm particle diameter, and it is the 0.01-0.074mm particle diameter that potter's clay and properties-correcting agent are ground to granularity; Afterwards with the waste ceramic of 30-55%, the flint clay of 20-45%, the potter's clay of 5-15% and the properties-correcting agent of 5-15% is dried to be mixed evenly, adds the dextrin water spice of siccative gross weight 2-5% again, and this dextrin water concentration is 30-60%, compression moulding in high tonnage press; Afterwards at drying room with 30-60 ℃ of dry 3-5 days, advance tunnel at 1000-1300 ℃ of following high-temperature firing 3-8h; Kiln discharge cooling, acceptance(check) get product, and wherein per-cent all is weight percentage.
7. the preparation method of fire, wear and acid resistant clinkery brick according to claim 6 is characterized in that the Al in the said flint clay
2O
3Be 42-50%, Fe
2O
3≤2.5%.
8. according to the preparation method of claim 6 or 7 described fire, wear and acid resistant clinkery bricks, it is characterized in that the Al in the potter's clay
2O
3Be 20-30%, Fe
2O
3≤3.5%.
9. according to the preparation method of claim 6 or 7 described fire, wear and acid resistant clinkery bricks, it is characterized in that properties-correcting agent is that mullite is 40-60% mutually, other is the high silica glass body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101633130A CN101823895B (en) | 2010-05-05 | 2010-05-05 | Fire, wear and acid resistant clinkery brick and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101633130A CN101823895B (en) | 2010-05-05 | 2010-05-05 | Fire, wear and acid resistant clinkery brick and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101823895A CN101823895A (en) | 2010-09-08 |
| CN101823895B true CN101823895B (en) | 2012-05-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086111B (en) * | 2010-11-23 | 2012-07-04 | 江苏瑞诚非金属材料有限公司 | Acid-resistant high-temperature-resistant high-pressure-resistant ceramic tile and preparation method thereof |
| CN102765968B (en) * | 2012-08-17 | 2014-02-26 | 潮州市桐君逸品陶瓷实业有限公司 | Manufacture process for producing high-quality ceramic glazes by aid of waste ceramics |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058170A (en) * | 1991-08-24 | 1992-01-29 | 刘年树 | A kind of crystal brick and manufacture method thereof |
| CN1127234A (en) * | 1995-07-03 | 1996-07-24 | 淄博市淄川区查王乡社会福利耐火建材厂 | Producing method of cylinder brick for coke oven |
| CN1348935A (en) * | 2000-10-17 | 2002-05-15 | 宜兴市苏辽环保炉料有限公司 | Improved vitreous tile for building roofing and its production process |
| CN1176043C (en) * | 2002-11-06 | 2004-11-17 | 巩义市第五耐火材料总厂 | Microporous corundum brick and its preparation method |
| CN101269983B (en) * | 2008-04-23 | 2011-08-31 | 宜兴市丁山耐火器材有限公司 | Stress buffering type fire resistive material for dry coke quenching equipment and method for manufacturing same |
| CN101269982A (en) * | 2008-04-23 | 2008-09-24 | 宜兴市丁山耐火器材有限公司 | And method of manufacturing the same |
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2010
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