CN1102823A - Wearing-proof refractory material - Google Patents
Wearing-proof refractory material Download PDFInfo
- Publication number
- CN1102823A CN1102823A CN 94111485 CN94111485A CN1102823A CN 1102823 A CN1102823 A CN 1102823A CN 94111485 CN94111485 CN 94111485 CN 94111485 A CN94111485 A CN 94111485A CN 1102823 A CN1102823 A CN 1102823A
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- Prior art keywords
- sillimanite
- natural
- wearing
- class mineral
- proof refractory
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Abstract
The present invention discloses wear-resisting refractory material esp suitable for circulative fluid bed, fluidized furnace and other industrial furnaces. Its main improvement is the addition of a certain amount of natural mineral sillimanites to both aggregate and matrix comprising refractory material. Compared with conventional wear-resisting refractory material, the said material has greatly raised mechanical strength, heat stability, wear resistance and thus prolonged service life of refractory product.
Description
The present invention relates to a kind of wearing-proof refractory material, especially a kind of Al
2O
3-SiO
2Be the wearing-proof refractory material that raw material is formed, be mainly used in the industrial furnace lining that wear resistance is had relatively high expectations.
The wearing-proof refractory material that uses in the industrial furnace such as circular fluid bed, fluidizing furnace mainly contains high alumina refractories, silicon carbide refractory material.It is low that yet high alumina refractories normal temperature is withstand voltage, and quality is fine and close inadequately, and wear resistance is strong inadequately; Though carborundum refractory shows better wear resistance and physical strength are arranged when high temperature, easy oxidation in the time of 800～1100 ℃, not wear-resisting, and also cost is also higher.Chinese patent 90107227.3 disclosed a kind of wearing-proof refractory materials, its framework material adopts 60～90% bauxite clinker, corundum, flint clay, potter's clay or their mixture, the matrix powder adopts 5～20% alumina chamotte fine powder, corundum fine powder or their mixture, but this refractory materials only is applicable to that making mould material uses, it needs to guarantee necessary intensity by the gluing of alundum cement, use and be not suitable for doing the goods material, in addition the heat of this refractory materials less stable of shaking.Seek a kind of economy, performance better can replace above-mentioned wearing-proof refractory material, is that people thirst for solving always.
Purpose of the present invention is intended to overcome the deficiency of above-mentioned existing wearing-proof refractory material, provide a kind of cost low, and has better serviceability, adapt to different forms of construction work, all show superior mechanical intensity at low temperature, high temperature, the heat good stability that shakes, the wearing-proof refractory material of anti-erosive wear makes its performance obviously be better than existing wearing-proof refractory material.
The wearing-proof refractory material that the present invention proposes, the main improvement is all to have adopted a certain amount of granule crystal densification, hardness height, anti-oxidant, the heat good stability that shakes in skeleton material and the matrix material, the natural sillimanite class mineral that can undergo phase transition in thermal response make skeleton and the matrix of forming refractory materials all have higher mechanical strength and anti-oxidant, anti-erosive wear.Its composition comprises skeleton material and matrix material, and the skeleton material package is drawn together 10～30%(weight, and is as follows) corundum and/or mullite, 5～25% high-aluminium vanadine and/or flint clay, 10～40% natural sillimanite class mineral; The matrix material package is drawn together 10～25% clay, 20～40% natural sillimanite class mineral.The said natural sillimanite class mineral of the present invention, be meant natural, chemical constitution is basic identical, is Al
2O
3-SiO
2The andaluzite of association, kyanite, sillimanite mineral (hereinafter to be referred as three stones).
Owing to use natural sillimanite class mineral, thereby raw material is without secondary processing, so cost is relatively low in wearing-proof refractory material skeleton material of the present invention and the matrix material; And performance particularly physical strength, wearability and the heat stability of shaking can reach synthetic mullite and corundum products level.This mainly is Al
2O
3-SiO
2The sillimanite class mineral of association, not only hardness own is higher, not oxidation of stable performance, and also at high temperature major part is phase-changed into the mullite phase, and this phase transformation guarantees that to improving material structure refractory materials physical strength, wearability are very useful.With a certain amount of volumetric expansion, volumetric expansion not only can reduce the apparent porosity of fire resistive material product to sillimanite class mineral in thermal response simultaneously, makes pore be uniform subdivision and looses, and become sealed porosity by connecting pore; And phase transformation makes the material structure densification in conjunction with expansion, the volume density height, and this also is very useful to shake stability, physical strength, wear-resistant washing away of heat of improving and guarantee refractory materials.
According to the present invention's design, wearing-proof refractory material of the present invention needs only the clay that will do the binding agent use in the above-mentioned moulded products material and changes binding agents such as high-alumina cement and/or aluminous cement into as mould material, moldable use.Its composition comprises that binding agent, aggregate, powder, binding agent comprise 10～25%(weight, as follows) high-alumina cement and/or aluminous cement and/or aluminium, silicon powder, aggregate comprises 10～30% corundum and/or mullite, 5～25% high-aluminium vanadine and/or flint clay, 10～40% natural sillimanite class mineral, powder comprises 10～30% sillimanite class mineral.Aluminium (Al
2O
3) micro mist and silicon (SiO
2) interpolation of micro mist, mainly be the consumption that replaces and reduce cement.Amount of water guarantees certain degree of mobilization again when constructing for reducing, and satisfies construction requirement, can add some water reducers such as NF, tripoly phosphate sodium STPP, dihydro aluminum phosphate etc.
Sillimanite class mineral have essentially identical chemical constitution and performance, and " three stone " all can separately or mix as skeleton material and the use of matrix material in the present invention.Just the thermal expansion of kyanite is bigger, as makes the goods refractory materials, preferably earlier with its calcining, re-uses after it is expanded, and just controls than being easier to when doing goods like this; During in this way as mould material, spray material, moldable use, also can directly use concrete apparent expansion requirement without the calcining raw material.The preferably combination of wearing-proof refractory material of the present invention is that corundum and/or mullite are 15～25% in the skeleton material, and high-aluminium vanadine and/or flint clay are 10～20%, and natural sillimanite class mineral are 25～35%; Matrix material medium clay soil is 15～20%, and natural sillimanite class mineral are 25～35%.Consider cost factor, the suitable preferred andaluzite that adopts of skeleton material of the present invention not only can further reduce the refractory materials cost, and its natural particle form is also more satisfactory.It is generally acknowledged that as industrial furnace lining wearing-proof refractory material, the wear-resisting role of its matrix is larger than aggregate, for giving full play to the wear resistance of refractory materials of the present invention.Mesostroma of the present invention can preferentially be selected the higher relatively sillimanite of hardness in " three stone " for use, and sillimanite commodity raw material is generally more with fine powder form, can directly not use and must process separately.For reducing cost, in the matrix material also partly or entirely the andaluzite fine powder replace the sillimanite fine powder, this is not very big to performance impact.
The said skeleton material of the present invention, matrix material (or claiming powder) are for feedstock particle size, and are known to the those of ordinary skill.According to different application and constructional method, different particle proportionings can be arranged, non-the present invention's inventive point.It is generally acknowledged and do the goods raw material, skeleton material particle is excellent with 0.5～3mm, the matrix material is suitable more than 90%≤and 0.1～0.088mm.Aggregate and powder can be suitably thick when making moldable, mould material and using.
For making refractory materials of the present invention that better properties be arranged, the Al of used andaluzite, kyanite, sillimanite
2O
3Content preferably 51～62%, Fe
2O
3≤ 2%.Used high-aluminium vanadine is preferably selected revolution klining one-level alumina for use.The Al of corundum, mullite
2O
3Content more preferably greater than or equal 95%, Fe
2O
3≤ 2%.Clay adopts one-level or secondary.Flint clay adopts superfine.Specifically decide on different the requirement.
For giving full play to capabilities of refractory materials of the present invention, refractory materials of the present invention uses to excellent to make the goods material especially, can make required article shape as required, and these can sinter product into then by compression moulding in the mould of suitable geometrical dimension.The performance of can give full play to like this, more that refractory materials of the present invention is high-strength, high abrasion, heat shaking good stability.In product molding, for improving processability, reduce the breakage of moving after the moulding, can in composition, add some binding agents, as dextrin, spent pulping liquor, its consumption is generally to be no more than 6%(weight) be advisable.
The amount ranges of each component among the present invention is not the extreme value scope, through test and economic angle, it is generally acknowledged that the scope that the present invention provides is more appropriate.Slightly depart from indication content range of the present invention, can't produce big influence, still belong to protection domain of the present invention performance.
Wearing-proof refractory material according to the present invention's preparation, has the physical strength height, the heat good stability that shakes, anti-erosion, anti-oxidant, wear-resistant washing away, the load softening point height, creep resistance is strong, long service life, raw material is easy to get, and cost is low, is ideal wearing-proof refractory material in the industrial furnaces such as circular fluid bed, fluidizing furnace.Performance obviously is better than the U.S. " ARB-1 " and China " LZ-65 " high alumina brick, Japanese SiC composite brick (seeing that embodiment contrasts).
Below description by several indefiniteness embodiment be used to explain the present invention.
What embodiment 1～5 provided is the goods refractory materialss, and 6,7 what provide is the material of doing mould material, moldable use.
When doing goods, it is fully mixing evenly only to need that each batching is sent into mixing roll, adds 3～5%(weight then) moisture content (deciding) according to weather stir, send into mechanical pressing, drying, send into sintering in the kiln at last.
Claims (6)
1, a kind of wearing-proof refractory material that includes skeleton material and matrix material composition, it is characterized in that said skeleton material package draws together 10～30% (weight, as follows) corundum and/or mullite, 5～25% high-aluminium vanadine and/or flint clay, 10～40% natural sillimanite class mineral; Said matrix material package is drawn together 10～25% clay, 20～40% natural sillimanite class mineral.
2, according to the described wearing-proof refractory material of claim 1, it is characterized in that in the said skeleton material that corundum and/or mullite are 15～25%, high-aluminium vanadine and/or flint clay are 10～20%, natural sillimanite class mineral are 25～35%; Said matrix material medium clay soil is 15～20%, and natural sillimanite class mineral are 25～35%.
3,, it is characterized in that the natural sillimanite class mineral in the said skeleton material are natural red pillar according to claim 1 or 2 described wearing-proof refractory materials.
4,, it is characterized in that the natural sillimanite class mineral in the said matrix material are natural sillimanite according to claim 1 or 2 described wearing-proof refractory materials.
5,, it is characterized in that said natural sillimanite class mineral Al according to claim 1 or 2 described wearing-proof refractory materials
2O
3Content is preferably 51～62%, Fe
2O
3Content is less than or equal to 2%.
6, a kind of wearing-proof refractory material that comprises that binding agent, aggregate, powder are formed is characterized in that said binding agent comprises 10～25%(weight, and is as follows) high-alumina cement and/or aluminous cement and/or aluminium, silicon powder; Said aggregate comprises 10～30% corundum and/or mullite, 5～25% alumine and/or flint clay, 10～40% natural sillimanite class mineral; Said powder comprises 10～30% sillimanite point mineral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94111485 CN1102823A (en) | 1994-10-24 | 1994-10-24 | Wearing-proof refractory material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94111485 CN1102823A (en) | 1994-10-24 | 1994-10-24 | Wearing-proof refractory material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1102823A true CN1102823A (en) | 1995-05-24 |
Family
ID=5035352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94111485 Pending CN1102823A (en) | 1994-10-24 | 1994-10-24 | Wearing-proof refractory material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1102823A (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057285C (en) * | 1996-11-15 | 2000-10-11 | 北京市天山新材料技术公司 | Ceramic-imitated wear-resistant material and preparation method |
| CN1318522C (en) * | 2003-01-21 | 2007-05-30 | 贾培祥 | Antiwear material and treatment technology of boiler water-cooled wall and high-temperature system of circular fluidized bed |
| CN100410205C (en) * | 2004-04-02 | 2008-08-13 | 宜兴市得力耐磨炉料有限公司 | High wear-resistant brick and its manufacturing method |
| CN100413809C (en) * | 2006-10-10 | 2008-08-27 | 刘福源 | Refractory material for circulating fluidized bed boiler and producing method thereof |
| CN100429178C (en) * | 2004-10-21 | 2008-10-29 | 宜兴市炉顶密封工程公司耐火保温厂 | Corundum-mullite heat-insulating brick |
| CN102030551A (en) * | 2010-11-03 | 2011-04-27 | 通达耐火技术股份有限公司 | Corundum-mullite high strength and wear resistant casting material containing homogenous material |
| CN101381241B (en) * | 2008-10-16 | 2011-06-15 | 武汉科技大学 | Porous breathable refractory materials for upper nozzle and production method thereof |
| CN101570650B (en) * | 2008-04-30 | 2011-10-26 | 通达耐火技术股份有限公司 | Preparation method for wear resistant fire-retardant coating |
| CN102276263A (en) * | 2011-04-28 | 2011-12-14 | 河南鑫诚耐火材料股份有限公司 | Manufacturing method of seal cover for operation observation aperture on carbon calciner fire wall |
| CN102706160A (en) * | 2012-01-10 | 2012-10-03 | 河南安瑞高温材料股份有限公司 | Method for producing refractory material for carbon roasting furnace |
| CN104478454A (en) * | 2014-12-19 | 2015-04-01 | 淄博拓普耐火材料有限公司 | Refractory material used for ladle and preparation method of refractory material |
| CN104876607A (en) * | 2015-05-29 | 2015-09-02 | 柳州普亚贸易有限公司 | Manufacturing method of refractory brick for boiler |
| CN104961484A (en) * | 2015-06-25 | 2015-10-07 | 张婷 | Fire-resistant coating material for steel rolling heating furnace |
| CN105036762A (en) * | 2015-06-21 | 2015-11-11 | 石家庄巨力科技有限公司 | Refractory and heat-insulation material for blast furnace air supply system and preparation method of refractory and heat-insulation material |
| CN105367096A (en) * | 2015-11-25 | 2016-03-02 | 南京联合荣大工程材料有限责任公司 | Refractory raw material and blast furnace press-in material containing same |
| CN106187246A (en) * | 2016-07-25 | 2016-12-07 | 宜兴市中环耐火材料有限公司 | A kind of anti-rotten pottery putty |
| CN106220155A (en) * | 2016-07-21 | 2016-12-14 | 济源市金峰耐火材料有限公司 | High RUL andalusite composite refractory brick and its preparation method and application |
| CN106631064A (en) * | 2016-12-21 | 2017-05-10 | 宜兴摩根热陶瓷有限公司 | High-strength flue cover board brick and preparation method thereof |
| CN107556009A (en) * | 2017-10-13 | 2018-01-09 | 浙江宏博新型建材有限公司 | Refractory brick and preparation method thereof |
| CN108129142A (en) * | 2017-11-23 | 2018-06-08 | 宜兴瑞泰耐火材料有限公司 | A kind of dehydrogenating propane device refractory material and preparation method thereof |
| CN113480301A (en) * | 2021-07-15 | 2021-10-08 | 山东淄博沈淄耐火材料有限公司 | Preparation method of large brick at bottom of high-temperature sillimanite pool of large float glass melting furnace |
-
1994
- 1994-10-24 CN CN 94111485 patent/CN1102823A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057285C (en) * | 1996-11-15 | 2000-10-11 | 北京市天山新材料技术公司 | Ceramic-imitated wear-resistant material and preparation method |
| CN1318522C (en) * | 2003-01-21 | 2007-05-30 | 贾培祥 | Antiwear material and treatment technology of boiler water-cooled wall and high-temperature system of circular fluidized bed |
| CN100410205C (en) * | 2004-04-02 | 2008-08-13 | 宜兴市得力耐磨炉料有限公司 | High wear-resistant brick and its manufacturing method |
| CN100429178C (en) * | 2004-10-21 | 2008-10-29 | 宜兴市炉顶密封工程公司耐火保温厂 | Corundum-mullite heat-insulating brick |
| CN100413809C (en) * | 2006-10-10 | 2008-08-27 | 刘福源 | Refractory material for circulating fluidized bed boiler and producing method thereof |
| CN101570650B (en) * | 2008-04-30 | 2011-10-26 | 通达耐火技术股份有限公司 | Preparation method for wear resistant fire-retardant coating |
| CN101381241B (en) * | 2008-10-16 | 2011-06-15 | 武汉科技大学 | Porous breathable refractory materials for upper nozzle and production method thereof |
| CN102030551A (en) * | 2010-11-03 | 2011-04-27 | 通达耐火技术股份有限公司 | Corundum-mullite high strength and wear resistant casting material containing homogenous material |
| CN102276263B (en) * | 2011-04-28 | 2013-06-12 | 河南鑫诚耐火材料股份有限公司 | Manufacturing method of seal cover for operation observation aperture on carbon calciner fire wall |
| CN102276263A (en) * | 2011-04-28 | 2011-12-14 | 河南鑫诚耐火材料股份有限公司 | Manufacturing method of seal cover for operation observation aperture on carbon calciner fire wall |
| CN102706160A (en) * | 2012-01-10 | 2012-10-03 | 河南安瑞高温材料股份有限公司 | Method for producing refractory material for carbon roasting furnace |
| CN104478454A (en) * | 2014-12-19 | 2015-04-01 | 淄博拓普耐火材料有限公司 | Refractory material used for ladle and preparation method of refractory material |
| CN104876607A (en) * | 2015-05-29 | 2015-09-02 | 柳州普亚贸易有限公司 | Manufacturing method of refractory brick for boiler |
| CN105036762A (en) * | 2015-06-21 | 2015-11-11 | 石家庄巨力科技有限公司 | Refractory and heat-insulation material for blast furnace air supply system and preparation method of refractory and heat-insulation material |
| CN104961484A (en) * | 2015-06-25 | 2015-10-07 | 张婷 | Fire-resistant coating material for steel rolling heating furnace |
| CN105367096A (en) * | 2015-11-25 | 2016-03-02 | 南京联合荣大工程材料有限责任公司 | Refractory raw material and blast furnace press-in material containing same |
| CN106220155A (en) * | 2016-07-21 | 2016-12-14 | 济源市金峰耐火材料有限公司 | High RUL andalusite composite refractory brick and its preparation method and application |
| CN106187246A (en) * | 2016-07-25 | 2016-12-07 | 宜兴市中环耐火材料有限公司 | A kind of anti-rotten pottery putty |
| CN106631064A (en) * | 2016-12-21 | 2017-05-10 | 宜兴摩根热陶瓷有限公司 | High-strength flue cover board brick and preparation method thereof |
| CN107556009A (en) * | 2017-10-13 | 2018-01-09 | 浙江宏博新型建材有限公司 | Refractory brick and preparation method thereof |
| CN107556009B (en) * | 2017-10-13 | 2021-02-05 | 山东银山耐火材料有限公司 | Refractory brick and preparation method thereof |
| CN108129142A (en) * | 2017-11-23 | 2018-06-08 | 宜兴瑞泰耐火材料有限公司 | A kind of dehydrogenating propane device refractory material and preparation method thereof |
| CN113480301A (en) * | 2021-07-15 | 2021-10-08 | 山东淄博沈淄耐火材料有限公司 | Preparation method of large brick at bottom of high-temperature sillimanite pool of large float glass melting furnace |
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