CN103467117A - Alumino-silicon-carbide anhydrous press-in slurry and preparation method thereof - Google Patents
Alumino-silicon-carbide anhydrous press-in slurry and preparation method thereof Download PDFInfo
- Publication number
- CN103467117A CN103467117A CN201310383716XA CN201310383716A CN103467117A CN 103467117 A CN103467117 A CN 103467117A CN 201310383716X A CN201310383716X A CN 201310383716XA CN 201310383716 A CN201310383716 A CN 201310383716A CN 103467117 A CN103467117 A CN 103467117A
- Authority
- CN
- China
- Prior art keywords
- pressed
- parts
- anhydrous
- silicon carbide
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Ceramic Products (AREA)
Abstract
The invention relates to alumino-silicon-carbide anhydrous press-in slurry which comprises an aggregate, a matrix, 1-5 parts of metallic aluminum powder, a binding agent and 0.5-1 part of an additive, wherein the aggregate comprises 30-50 parts of cement and 30-50 parts of particle material; the matrix comprises 5-10 parts of silicon micropowder and/or binding clay fine powder and 10-20 parts of silicon carbide; and the binding agent comprises 35-45 parts of liquid resin. The aggregate, the matrix and the metallic aluminum powder are uniformly mixed; during construction, the binding agent and the additive are added to a stirrer, and uniformly mixed; the slurry is delivered to a maintenance area by a slurry pressing machine under the pressure action; continuous press-in is performed; and a sealing effect is achieved. The liquid phenolic resin serves as the binding agent; the main technical characteristic of the slurry is high carbon residue; the bound press-in slurry has anhydrous property, can be constructed at a high temperature, meets rapid baking, forms a carbon chain after heated, forms a whole, and is small in shrinkage; no gap is formed between a cooling wall and a carbon brick; and due to carbon introduction, a heat conductivity coefficient of the slurry is increased, and the temperature of the carbon brick can be reduced effectively.
Description
technical field
The invention belongs to technical field of refractory materials, be specifically related to the anhydrous mud and preparation method thereof that is pressed into of a kind of aluminium silicon carbide matter.
Background technology
Along with the sustainable development of BF Technology in Bao Steel, the improving constantly of furnace service life, the maintenance of the maintenance of blast furnace, especially middle and later periods seems and becomes more and more important.Traditional contains free-water and crystal water containing the water system press-in material, and after baking, moisture content can not be discharged, and causes under the condition of high temperature and forms steam, and carbon brick and SiC brick are produced to larger chemical erosion effect.Leak coal gas in order to prevent the high temperature body of heater runouts such as chemical erosion and blast furnace, process furnace, be pressed into mud by non-water system to seal, prevent gas leak.
The problem that the present invention exists in order to solve the water system press-in material, invented that a kind of to take high-temperature electric calcined anthracite, silicon carbide, high alumina fine powder be main raw material(s), compound resin admixture multiple additives micro mist are the anhydrous mud that is pressed into that consolidating material is made, for filling between furnace shell and cooling stave and furnace bottom shrouding underclearance, form solid, fine and close integral body after solidifying, stopped blast furnace and adopted water quality grouting material destruction to the carbonaceous furnace lining after blast furnace is gone into operation.
Summary of the invention
Goal of the invention is to contain free-water and crystal water in order to solve containing the water system press-in material, after baking, moisture content can not be discharged, cause under the condition of high temperature and form steam, carbon brick and SiC brick are produced to the defect of larger chemical erosion effect, invent the anhydrous mud and preparation method thereof that is pressed into of a kind of aluminium carbon (silicon carbide) matter.
realize technical scheme of the present invention
The anhydrous mud that is pressed into of a kind of aluminium silicon carbide matter, be comprised of aggregate, matrix, metallic aluminium powder, wedding agent and additive, and weight consists of:
Aggregate: cement 30-50 part, particulate material 30-50 part,
Matrix: silicon powder and/or bonding clay fine powder 5-10 part, silicon carbide 10-20 part,
Metallic aluminium powder: 1-5 part,
Additive: 0.5-1 part,
Wedding agent: liquid resin 35-45 part.
Particulate material of the present invention is selected from the alumina of 85% grade, the alumina of 88% grade, one or more the mixture in the brown corundum of 95% grade, and granularity is below 0.5mm;
It is 5-95:95-5 that matrix of the present invention is selected silicon powder and bonding clay fine powder weight ratio;
Wedding agent of the present invention is liquid phenolic resin, is yellow liquid, so the mud that is pressed into of its combination has anhydrous performance, certain carbon residue is arranged simultaneously, by silicon carbide and carbon containing class material, improve the anhydrous thermal conductivity that is pressed into mud in addition, improve the thermo-efficiency of carbon brick and cooling stave;
Additive of the present invention is dispersion agent, solidifying agent etc., and dispersion agent is tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, and solidifying agent is hexamethylenetetramine etc., dispersion agent add-on 0.3-0.8 part wherein, and the solidifying agent add-on is 0.2-0.7 part.
The anhydrous mud making method that is pressed into of a kind of aluminium silicon carbide matter, aggregate, substrate material are evenly mixed, during construction, add wedding agent and additive in stirrer, mix, utilize pneumatic mortar machine by mud under pressure, be transported to maintenance area, and constantly be pressed into, reach the effect of sealing.
The technological process of preparation: when raw material advances factory-check-break pulverizing-screening-check-batching-spice-pneumatic mortar machine and is pressed into conveying-seasoning-subzero treatment-use, high temperature carries out from sintering.
Subzero treatment temperature of the present invention is 180 ℃-200 ℃.
Pneumatic mortar machine of the present invention is to be with pressure-feed stirrer.
the creativeness of invention
1. the anhydrous mud that is pressed into is as repairing the blast furnace cooling stave gap prolongation technology of blast furnace campaign, can shorten servicing time in the situation that the blast furnace light maintenance is carried out, reduce the maintenance frequency, to the stably manufactured of blast furnace, increase output and can play promotion and guaranteeing role;
2. increase the anhydrous plasticity that is pressed into mud adding of metallic aluminium powder, improved the anhydrous mobility that is pressed into mud.
3. utilize liquid phenolic resin as wedding agent, its technical characteristics is that carbon residue is high, so that the mud that is pressed into of its combination has anhydrous performance, can at high temperature construct, meet quick baking, the rear formation carbochain of simultaneously being heated, make material form an integral body, shrinks little, can not form space between cooling stave and carbon brick, due to the introducing of carbon, improve the thermal conductivity of material, can effectively reduce the temperature of carbon brick.
the effect of invention
The anhydrous mud that is pressed into of aluminium silicon carbide matter: Al
2o
3:>=45(wt) %; C+SiC>=1.6(wt) %; Cold conditions compressive strength (110 ℃/24h)>=2.5MPa.
The present invention adds dispersion agent, and anhydrous to be pressed into slip fluidity good, can in less space, slowly wriggle, and the presetting period, more than 2 hours, reaches the purpose of infiltration fully, and application property is good;
The present invention adds solidifying agent, and the product setting time is short, and intensity is large, and the rear product of sclerosis is flexible and do not have firmly crisp, fracture, more can not produce space;
Take resol as wedding agent, and the cure shrinkage of press-in material is little, has better bonding strength;
Product has good affinity, with iron-clad and furnace lining, coheres firmly, forms an integral body, is filled in densely between iron-clad and furnace lining;
To carbonaceous furnace lining and SiC brick without the chemical erosion destruction.
The present invention adopts subzero treatment, and it is carried out from sintering under the high temperature used, and has reduced energy consumption.
Embodiment
The anhydrous preparation technology who is pressed into mud is different from traditional technique, and the technique that high temperature is burnt till becomes the subzero treatment of 180 ℃-200 ℃ of low temperature.Save energy is carried out from sintering it under the high temperature used.
The technological process of preparation: when raw material advances factory-check-break pulverizing-screening-check-batching-spice-pneumatic mortar machine and is pressed into conveying-seasoning-subzero treatment-use, high temperature carries out from sintering.
embodiment 1
By aggregate: 40 parts, the alumina that cement is 40 parts, 85% grade, matrix: 8 parts of silicon powders, 20 parts, silicon carbide, 1 part of metallic aluminium powder, evenly mix, during construction, add 40 parts of wedding agent liquid phenolic resins in special-purpose stirrer, 0.4 part of pentasodium triphosphate of dispersing agent, 0.2 part of solidifying agent hexamethylenetetramine, mix, the anhydrous mud that is pressed into of preparation possesses good flowing property, Al
2o
3:>=50(wt) %; C+SiC>=1.6(wt) %, utilize pneumatic mortar machine by mud under pressure, is transported to maintenance area, and constantly is pressed into, and reaches the effect of sealing.
embodiment 2
By aggregate: 50 parts, the brown corundum that cement is 40 parts, 95% grade, matrix: 8 parts of bonding clay fine powders, 10 parts, silicon carbide, 2 parts of metallic aluminium powders, evenly mix, during construction, add 40 parts of wedding agent liquid phenolic resins in special-purpose stirrer, 0.5 part of pentasodium triphosphate of dispersing agent, 0.3 part of solidifying agent hexamethylenetetramine, mix, the anhydrous mud that is pressed into of preparation possesses good flowing property, Al
2o
3:>=50(wt) %; C+SiC>=1.6(wt) %, utilize pneumatic mortar machine by mud under pressure, is transported to maintenance area, and constantly is pressed into, and reaches the effect of sealing.
embodiment 3
By aggregate: 50 parts, the alumina that cement is 30 parts, 85% grade, matrix: 4 parts of silicon powders, 5 parts of metallic aluminium powders, 4 parts of bonding clay fine powders, 15 parts, silicon carbide, 5 parts of metallic aluminium powders, evenly mix, during construction, add 45 parts of wedding agent liquid phenolic resins in special-purpose stirrer, 0.5 part of pentasodium triphosphate of dispersing agent, 0.3 part of solidifying agent hexamethylenetetramine, mix, the anhydrous mud that is pressed into of preparation possesses good flowing property, Al
2o
3:>=55(wt) %; C+SiC>=1.6(wt) %, utilize pneumatic mortar machine by mud under pressure, is transported to maintenance area, and constantly is pressed into, and reaches the effect of sealing.
embodiment 4
By aggregate: 10 parts, the brown corundum that the alumina that the alumina that cement is 50 parts, 85% grade is 10 parts, 88% grade is 10 parts, 95% grade, matrix: 4 parts of silicon powders, 4 parts of bonding clay fine powders, 15 parts, silicon carbide, 5 parts of metallic aluminium powders, evenly mix, during construction, add 45 parts of wedding agent liquid phenolic resins in special-purpose stirrer, 0.5 part of sodium hexametaphosphate dispersant, solidifying agent 0.3 hexamethylenetetramine part, mix, the anhydrous mud that is pressed into of preparation possesses good flowing property, Al
2o
3:>=45(wt) %; C+SiC>=1.6(wt) %, utilize pneumatic mortar machine by mud under pressure, is transported to maintenance area, and constantly is pressed into, and reaches the effect of sealing.
Claims (9)
1. the anhydrous mud that is pressed into of aluminium silicon carbide matter, be comprised of aggregate, matrix, metallic aluminium powder, wedding agent and additive, and weight consists of:
Aggregate: cement 30-50 part, particulate material 30-50 part,
Matrix: silicon powder and/or bonding clay fine powder 5-10 part, silicon carbide 10-20 part,
Metallic aluminium powder: 1-5 part,
Additive: 0.5-1 part,
Wedding agent: liquid resin 35-45 part.
2. according to the anhydrous mud that is pressed into of the aluminium silicon carbide matter of claim 1, it is characterized in that the alumina of described 85% grade, the alumina of 88% grade, one or more the mixture in the brown corundum of 95% grade, granularity is below 0.5mm.
3. according to the anhydrous mud that is pressed into of the aluminium silicon carbide matter of claim 1, while it is characterized in that described matrix selection silicon powder and the mixing of bonding clay fine powder, weight ratio is 5-95:95-5.
4. according to the anhydrous mud that is pressed into of the aluminium silicon carbide matter of claim 1, it is characterized in that described wedding agent is liquid phenolic resin.
5. according to the anhydrous mud that is pressed into of the aluminium silicon carbide matter of claim 1, it is characterized in that described additive is dispersion agent, solidifying agent.
6. according to the anhydrous mud that is pressed into of the aluminium silicon carbide matter of claim 5, it is characterized in that described dispersion agent is tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, solidifying agent is hexamethylenetetramine, dispersion agent add-on 0.3-0.8 part wherein, and the solidifying agent add-on is 0.2-0.7 part.
7. the anhydrous making method that is pressed into mud of aluminium silicon carbide matter, formula according to claim 1-6 any one right, aggregate, substrate material are evenly mixed, during construction, add wedding agent and additive in stirrer, mix, utilize pneumatic mortar machine by mud under pressure, be transported to maintenance area, and constantly be pressed into, reach the effect of sealing; Technological process prepared by preparation process: when raw material advances factory-check-broken pulverizing-screening-check-batching-spice-pneumatic mortar machine and is pressed into conveying-seasoning-subzero treatment-use, high temperature carries out from sintering.
8. according to the making method of claim 7, it is characterized in that described pneumatic mortar machine is to be with pressure-feed stirrer.
9. according to the making method of claim 7, it is characterized in that described subzero treatment temperature is 180 ℃-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383716.XA CN103467117B (en) | 2013-08-29 | 2013-08-29 | Anhydrous press-in mud of a kind of aluminium silicon carbide matter and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310383716.XA CN103467117B (en) | 2013-08-29 | 2013-08-29 | Anhydrous press-in mud of a kind of aluminium silicon carbide matter and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103467117A true CN103467117A (en) | 2013-12-25 |
| CN103467117B CN103467117B (en) | 2015-10-28 |
Family
ID=49792200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310383716.XA Active CN103467117B (en) | 2013-08-29 | 2013-08-29 | Anhydrous press-in mud of a kind of aluminium silicon carbide matter and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103467117B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103833393A (en) * | 2014-01-08 | 2014-06-04 | 长兴明晟冶金炉料有限公司 | Anhydrous injection slurry |
| CN107434418A (en) * | 2017-07-26 | 2017-12-05 | 武汉科技大学 | A kind of carbonaceous mud and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5512523A (en) * | 1993-02-03 | 1996-04-30 | Asahi Glass Company Ltd. | Monolithic refractory powder mixture |
| JP2000203954A (en) * | 1999-01-19 | 2000-07-25 | Taiko Rozai Kk | Slip casting refractory composition for tapping spout cover and its lining of blast furnace, and production of tapping spout cover of blast furnace using the same |
| CN1994958A (en) * | 2006-12-19 | 2007-07-11 | 安徽省宁国市耐火材料有限责任公司 | Super intensified abrasion-proof pouring material |
| CN101367667A (en) * | 2008-09-25 | 2009-02-18 | 武汉钢铁(集团)公司 | Flame-proof mending material for foundry ladle and manufacturing method thereof |
| CN103242049A (en) * | 2013-05-08 | 2013-08-14 | 绵阳汇丰炉窑材料有限公司 | Foam light refractory casting material and preparation method thereof |
-
2013
- 2013-08-29 CN CN201310383716.XA patent/CN103467117B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5512523A (en) * | 1993-02-03 | 1996-04-30 | Asahi Glass Company Ltd. | Monolithic refractory powder mixture |
| JP2000203954A (en) * | 1999-01-19 | 2000-07-25 | Taiko Rozai Kk | Slip casting refractory composition for tapping spout cover and its lining of blast furnace, and production of tapping spout cover of blast furnace using the same |
| CN1994958A (en) * | 2006-12-19 | 2007-07-11 | 安徽省宁国市耐火材料有限责任公司 | Super intensified abrasion-proof pouring material |
| CN101367667A (en) * | 2008-09-25 | 2009-02-18 | 武汉钢铁(集团)公司 | Flame-proof mending material for foundry ladle and manufacturing method thereof |
| CN103242049A (en) * | 2013-05-08 | 2013-08-14 | 绵阳汇丰炉窑材料有限公司 | Foam light refractory casting material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103833393A (en) * | 2014-01-08 | 2014-06-04 | 长兴明晟冶金炉料有限公司 | Anhydrous injection slurry |
| CN103833393B (en) * | 2014-01-08 | 2015-08-19 | 长兴明晟冶金炉料有限公司 | Anhydrous press-in mud |
| CN107434418A (en) * | 2017-07-26 | 2017-12-05 | 武汉科技大学 | A kind of carbonaceous mud and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103467117B (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107973610B (en) | Silicon carbide ramming mass taking waste silicon carbide saggar as main raw material | |
| CN102898156B (en) | Ladle slag line magnesia carbon brick and preparation method thereof | |
| CN108218408B (en) | Al (aluminum)4SiC4Bonded Al2O3Preparation method of-SiC composite material | |
| CN105859314B (en) | A kind of smelting molten steel equipment carbon containing gunning refractory and preparation method thereof | |
| CN102531653A (en) | Hot-state repair material made from waste magnesia-carbon brick and used for converter and preparation method thereof | |
| CN113200755B (en) | Environment-friendly continuous casting tundish dry material and preparation method thereof | |
| CN102603343A (en) | Fireproof material of furnace bottom of blast furnace hearth and preparation method of fireproof material | |
| CN102584282A (en) | Thermal-state mending material taking forsterite as raw material for converters and preparation method thereof | |
| CN111362674B (en) | Acid-resistant corundum ramming mass and method for manufacturing acid regenerator nozzle by using same | |
| CN107324784A (en) | A kind of converter slag-resisting magnalium carbon slide brick and preparation method thereof | |
| CN110156445B (en) | High-strength wear-resistant castable for rotary hearth furnace and preparation method thereof | |
| CN104817331B (en) | Pressed-in sealant for blast furnace and preparation method thereof | |
| CN108640694A (en) | A kind of enhancing magnesia carbon brick and preparation method thereof introducing complex phase additive | |
| CN103553665A (en) | Corundum amorphous fireproof anti-explosive material capable of realizing quick furnace drying and application method thereof | |
| CN110963789B (en) | Blast furnace crack pouring material and preparation method thereof | |
| CN104529495A (en) | Skimming tool and production process | |
| CN104761267B (en) | CFBB is moldable with high-strength wearable | |
| CN101805196B (en) | Preparation method of quick-drying anti-explosion wear-resistant casting material | |
| CN103467117B (en) | Anhydrous press-in mud of a kind of aluminium silicon carbide matter and preparation method thereof | |
| CN102584281A (en) | Hydration-resistant hot-state mending material for steelmaking converter and preparation method thereof | |
| CN102503458B (en) | Silicon carbide anti-skinning anti-plugging casting material and preparation method thereof | |
| CN105084917B (en) | A kind of unburned brick and preparation method thereof | |
| CN110255970A (en) | A kind of sintering free low carbon magnesia carbon brick and preparation method thereof | |
| CN101348377B (en) | Method for preparing fire-resistant material from synthetic MgO-SiC-C material | |
| CN101955360B (en) | Blast-furnace high-alumina press-in material and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190117 Address after: 313000 Industrial Concentration Zone of Lijiaxiang Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Changxing Nanye Metallurgical Materials Co., Ltd. Address before: 313000 Industrial Concentration Zone of Lijiaxiang Town, Changxing County, Huzhou City, Zhejiang Province Patentee before: Zhejiang Changxing Qiangli Refractories Co., Ltd. |
|
| TR01 | Transfer of patent right |