CN105294127A - Pouring material for cement kiln tertiary air duct - Google Patents
Pouring material for cement kiln tertiary air duct Download PDFInfo
- Publication number
- CN105294127A CN105294127A CN201510800423.6A CN201510800423A CN105294127A CN 105294127 A CN105294127 A CN 105294127A CN 201510800423 A CN201510800423 A CN 201510800423A CN 105294127 A CN105294127 A CN 105294127A
- Authority
- CN
- China
- Prior art keywords
- cement kiln
- air hose
- aggregate
- parts
- fiber
- 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 a pouring material for a cement kiln tertiary air duct. The pouring material comprises aggregate and a matrix material according to a weight ratio of 2-8: 1-3. The aggregate has particle sizes of 1-10mm and the matrix material has the particle sizes of 0.1-0.5mm. The aggregate comprises, by weight, 28-50 parts of fused magnesia, 25-45 parts of modified white alundum, 5-15 parts of zirconium mullite and 8-20 parts of magnesium aluminate spinel. The matrix material comprises magnesia powder, silicon oxide fine powder, mullite powder, alumina fine powder and andalusite. The pouring material utilizes appropriate aggregate and the matrix material and has wear resistance and corrosion resistance, a uniform degree of expansion and good thermal shock stability. Through use of a fiber additive, pouring material integrality is improved, and pouring material flexural performances and anti-erosion performances are improved. The cement kiln tertiary air duct has the advantages of long service life, long replacement period, small production cost and high production efficiency under bad conditions.
Description
Technical field
The present invention relates to fire resisting material field, specifically a kind of triple air hose of cement kiln mould material.
Background technology
The direction changing pipeline with elbow is needed in triple air hose of cement kiln, elbow interior wall is smooth surface, the change of triple air hose of cement kiln spot temperature greatly, in pipe, wind speed is higher, hot gas flow includes clinker particles tiny in a large number, tertiary-air pipe is directly subject to washing away and erosion of dust-laden hot gas flow for a long time, wear-resistant castable is easily made to come off, existing wear-resistant castable in the market, silicon carbide mullite wear-resistant castable disclosed in patent No. CN103819204B, when using at this position, ubiquity wear resisting property is not high, the defects such as the poor and thermal shock resistance of resistance to elevated temperatures is not strong, cause damaging frequently, life-span is all not long.Add, present rotary kiln requires harsher to construction period, requires short construction period, dries kiln fast, can put into production use than faster, and this just has higher requirement to lining body material, and existing mould material has been difficult to the demand meeting market.Also have and the structure at triple air hose of cement kiln place is improved, to overcome above-mentioned defect, as the patent No. a kind of bend for triple air hose of cement kiln disclosed in CN202284700, but effect is still not remarkable, be difficult to reach requirement, cause production efficiency to be difficult to all the time improve.
Summary of the invention
The object of the invention is the above-mentioned defect existed when triple air hose of cement kiln uses to overcome existing refractory castable, a kind of triple air hose of cement kiln mould material is provided, adopt novel use material formula and suitable proportioning, reach high-wearing feature, erosion resistance, also there is good thermal shock resistance, stable performance, can overcome the condition that triple air hose of cement kiln place is severe, long service life.
The present invention adopts following technical scheme to achieve the above object: a kind of triple air hose of cement kiln mould material, comprises aggregate and substrate material, and the weight proportion of described aggregate and described substrate material is 2 ~ 8:1 ~ 3; The particle diameter of described aggregate is 1 ~ 10mm, and the particle diameter of described substrate material is 0.1 ~ 0.5mm; Described aggregate comprises the magnesium-aluminium spinel of zirconium not stone and 8 ~ 20 weight parts of the electrosmelted magnesite clinker of 28 ~ 50 weight parts, the modification white fused alumina of 25 ~ 45 weight parts, 5 ~ 15 weight parts; Described substrate material comprises magnesia micro mist, silicon oxide fine powder, mullite miropowder and aluminum oxide fine powder and andaluzite.
As preferably, described electrosmelted magnesite clinker comprises the electrosmelted magnesite clinker of the electrosmelted magnesite clinker of the 6 ~ 10mm of 5 ~ 21%, the electrosmelted magnesite clinker of the 3 ~ 6mm of 36 ~ 68%, the 1 ~ 3mm of 25 ~ 50%.
As preferably, the particle size range of described modification white fused alumina composed as follows: the modification white fused alumina of the modification white fused alumina of 5 ~ 8mm of 3 ~ 12%, the modification white fused alumina of the 3 ~ 5mm of 46 ~ 65%, the 1 ~ 3mm of 26 ~ 45%.
As preferably, in described electrosmelted magnesite clinker, magnesian content is not less than 95%.
As preferably, described modification white fused alumina is the chromium corundum of chromium modification or the zircon corundum of modified zirconia.
As preferably, mould material also comprises fiber addition material, and described fiber addition material comprises aluminum silicate fiber, polypropylene fibre and steel fiber.
In mould material, add fiber addition material, can be the webbed adhesion frame of main body shape, maintains the overall performance of mould material, strengthen its fold resistance and scour resistance.
As preferably, the interpolation weight part of each component of described fiber addition material is: aluminum silicate fiber 50 ~ 75 parts, polypropylene fibre 5 ~ 30 parts, steel fiber 15 ~ 45 parts.
As preferably, described fiber addition material also includes the explosion-proof fiber of 12 ~ 23 parts.
As preferably, also comprise zircon in described substrate material, the addition of described zircon is 6 ~ 12% of described substrate material total amount.
As preferably, in described zircon, the content of zirconium dioxide and silicon-dioxide is not less than 65%.
By implementing technique scheme, the present invention selects suitable aggregate, ligand material, super abrasive, corrosion resistant mould material can be formed, expand even, good thermal shock stability, then with the use of fiber addition material, improve the globality of mould material, strengthen fracture resistance and the scour resistance of mould material, under triple air hose of cement kiln place mal-condition, long service life, the replacement cycle is long, reduce production cost, greatly enhance productivity.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1:
A kind of triple air hose of cement kiln mould material, comprise aggregate and substrate material, the weight proportion of described aggregate and described substrate material is 2:3; Aggregate comprises the magnesium-aluminium spinel of zirconium not stone and 20 weight parts of the electrosmelted magnesite clinker of 28 weight parts, the chromium corundum of the chromium modification of 45 weight parts, 5 weight parts; Particle size range is at 1 ~ 10mm, and median size is at 4 ~ 6mm.Substrate material comprises magnesia micro mist, silicon oxide fine powder, mullite miropowder and aluminum oxide fine powder and andaluzite, and particle size range is at 0.1 ~ 0.5mm, and median size is at 0.3mm.Wherein, in aggregate, in electrosmelted magnesite clinker, magnesian content reaches 95.5%, and the particle size range of electrosmelted magnesite clinker is distributed in 1 ~ 10mm, concrete form be: the electrosmelted magnesite clinker of the electrosmelted magnesite clinker of 6 ~ 10mm of 21%, the electrosmelted magnesite clinker of the 3 ~ 6mm of 36%, the 1 ~ 3mm of 43%.The particle size range of modification white fused alumina composed as follows: the modification white fused alumina of the modification white fused alumina of 5 ~ 8mm of 9%, the modification white fused alumina of the 3 ~ 5mm of 46%, the 1 ~ 3mm of 45%.
Embodiment 2:
A kind of triple air hose of cement kiln mould material, comprise aggregate and substrate material and fiber addition material, the weight proportion of described aggregate and described substrate material is 8:2; Aggregate comprises the magnesium-aluminium spinel of zirconium not stone and 15 weight parts of the electrosmelted magnesite clinker of 50 weight parts, the zircon corundum of the modified zirconia of 30 weight parts, 15 weight parts; Particle diameter is between 1 ~ 10mm.Substrate material comprises magnesia micro mist, silicon oxide fine powder, mullite miropowder and aluminum oxide fine powder, andaluzite and zircon, and the particle size range of substrate material is between 0.1 ~ 0.5mm; The addition of zircon is 10% of described substrate material total amount, and in zircon, the content of zirconium dioxide and silicon-dioxide is reaching 67%.Wherein, in aggregate, in electrosmelted magnesite clinker, magnesian content reaches 97%, and the particle size range of electrosmelted magnesite clinker is distributed in 1 ~ 10mm, and concrete composition is: the electrosmelted magnesite clinker of the electrosmelted magnesite clinker of 6 ~ 10mm of 8%, the electrosmelted magnesite clinker of the 3 ~ 6mm of 42%, the 1 ~ 3mm of 50%.The particle size range of modification white fused alumina composed as follows: the modification white fused alumina of the modification white fused alumina of 5 ~ 8mm of 32%, the modification white fused alumina of the 3 ~ 5mm of 65%, the 1 ~ 3mm of 32%.Described fiber addition material comprises aluminum silicate fiber 50 weight part, polypropylene fibre 25 weight part, steel fiber 15 weight part, and the mean diameter of fiber is between 5 ~ 10mm.
Embodiment 3:
A kind of triple air hose of cement kiln mould material, comprise aggregate and substrate material and fiber addition material, the weight proportion of described aggregate and described substrate material is 6:1; The particle diameter of described aggregate is 1 ~ 10mm, and the particle diameter of described substrate material is 0.1 ~ 0.5mm; Described aggregate comprises the magnesium-aluminium spinel of zirconium not stone and 8 weight parts of the electrosmelted magnesite clinker of 48 weight parts, the zircon corundum of the modified zirconia of 25 weight parts, 12 weight parts; Described substrate material comprises magnesia micro mist, silicon oxide fine powder, mullite miropowder and aluminum oxide fine powder, andaluzite and zircon, and the addition of zircon is 6% of described substrate material total amount, and in zircon, the content of zirconium dioxide and silicon-dioxide reaches 72%.Wherein, in electrosmelted magnesite clinker, magnesian content reaches 96%, and the particle size range of electrosmelted magnesite clinker is distributed in 1 ~ 10mm, and specifically electrosmelted magnesite clinker comprises the electrosmelted magnesite clinker of the electrosmelted magnesite clinker of the 6 ~ 10mm of 5%, the electrosmelted magnesite clinker of the 3 ~ 6mm of 68%, the 1 ~ 3mm of 27%.The particle size range of modification white fused alumina composed as follows: the modification white fused alumina of the modification white fused alumina of 5 ~ 8mm of 12%, the modification white fused alumina of the 3 ~ 5mm of 62%, the 1 ~ 3mm of 26%.Described fiber addition material comprises aluminum silicate fiber 75 weight part, polypropylene fibre 5 weight part, steel fiber 20 weight part, explosion-proof fiber 15 weight part.
Embodiment 4:
A kind of triple air hose of cement kiln mould material, comprise aggregate and substrate material and fiber addition material, the weight proportion of described aggregate and described substrate material is 5:3; Aggregate comprises the magnesium-aluminium spinel of zirconium not stone and 20 weight parts of the electrosmelted magnesite clinker of 32 weight parts, the chromium corundum of the chromium modification of 40 weight parts, 12 weight parts; Particle size range is at 1 ~ 10mm, and median size is at 4 ~ 6mm.Substrate material comprises magnesia micro mist, silicon oxide fine powder, mullite miropowder and aluminum oxide fine powder and andaluzite, and particle size range is at 0.1 ~ 0.5mm, and median size is at 0.3mm.Wherein, in aggregate, in electrosmelted magnesite clinker, magnesian content is greater than 95%, purity is more high better, but purity is higher, and cost is also large, consider, best with 96%, the particle size range of electrosmelted magnesite clinker is distributed in 1 ~ 10mm, concrete form be: the electrosmelted magnesite clinker of the electrosmelted magnesite clinker of 6 ~ 10mm of 15%, the electrosmelted magnesite clinker of the 3 ~ 6mm of 60%, the 1 ~ 3mm of 25%.The particle size range of modification white fused alumina composed as follows: the modification white fused alumina of the modification white fused alumina of 5 ~ 8mm of 10%, the modification white fused alumina of the 3 ~ 5mm of 50%, the 1 ~ 3mm of 40%.Fiber addition material comprises aluminum silicate fiber 50 weight part, polypropylene fibre 12 weight part, steel fiber 45 weight part, explosion-proof fiber 12 weight part.Addition is 12 ~ 30% of the gross weight of aggregate and substrate material, and the present embodiment adds 25%.
Claims (10)
1. a triple air hose of cement kiln mould material, comprises aggregate and substrate material, it is characterized in that, the weight proportion of described aggregate and described substrate material is 2 ~ 8:1 ~ 3; The particle diameter of described aggregate is 1 ~ 10mm, and the particle diameter of described substrate material is 0.1 ~ 0.5mm; Described aggregate comprises the magnesium-aluminium spinel of zirconium not stone and 8 ~ 20 weight parts of the electrosmelted magnesite clinker of 28 ~ 50 weight parts, the modification white fused alumina of 25 ~ 45 weight parts, 5 ~ 15 weight parts; Described substrate material comprises magnesia micro mist, silicon oxide fine powder, mullite miropowder and aluminum oxide fine powder and andaluzite.
2. a kind of triple air hose of cement kiln mould material according to claim 1, it is characterized in that, described electrosmelted magnesite clinker comprises the electrosmelted magnesite clinker of the electrosmelted magnesite clinker of the 6 ~ 10mm of 5 ~ 21%, the electrosmelted magnesite clinker of the 3 ~ 6mm of 36 ~ 68%, the 1 ~ 3mm of 25 ~ 50%.
3. a kind of triple air hose of cement kiln mould material according to claim 1, it is characterized in that, the particle size range of described modification white fused alumina composed as follows: the modification white fused alumina of the modification white fused alumina of 5 ~ 8mm of 3 ~ 12%, the modification white fused alumina of the 3 ~ 5mm of 46 ~ 65%, the 1 ~ 3mm of 26 ~ 45%.
4. a kind of triple air hose of cement kiln mould material according to claim 2, it is characterized in that, in described electrosmelted magnesite clinker, magnesian content is greater than 95%.
5. a kind of triple air hose of cement kiln mould material according to claim 1 or 3, is characterized in that, described modification white fused alumina is the chromium corundum of chromium modification or the zircon corundum of modified zirconia.
6. a kind of triple air hose of cement kiln mould material according to claim 1, it is characterized in that, mould material also comprises fiber addition material, and described fiber addition material comprises aluminum silicate fiber, polypropylene fibre and steel fiber.
7. a kind of triple air hose of cement kiln mould material according to claim 6, it is characterized in that, the interpolation weight part of each component of described fiber addition material is: aluminum silicate fiber 50 ~ 75 parts, polypropylene fibre 5 ~ 30 parts, steel fiber 15 ~ 45 parts.
8. a kind of triple air hose of cement kiln mould material according to claim 7, it is characterized in that, described fiber addition material also includes the explosion-proof fiber of 12 ~ 23 parts.
9. a kind of triple air hose of cement kiln mould material according to claim 1, it is characterized in that, also comprise zircon in described substrate material, the addition of described zircon is 6 ~ 12% of described substrate material total amount.
10. a kind of triple air hose of cement kiln mould material according to claim 9, it is characterized in that, in described zircon, the content of zirconium dioxide and silicon-dioxide is more than 65%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800423.6A CN105294127B (en) | 2015-11-19 | 2015-11-19 | A kind of triple air hose of cement kiln castable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800423.6A CN105294127B (en) | 2015-11-19 | 2015-11-19 | A kind of triple air hose of cement kiln castable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105294127A true CN105294127A (en) | 2016-02-03 |
| CN105294127B CN105294127B (en) | 2017-09-01 |
Family
ID=55192065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510800423.6A Active CN105294127B (en) | 2015-11-19 | 2015-11-19 | A kind of triple air hose of cement kiln castable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105294127B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924188A (en) * | 2016-04-26 | 2016-09-07 | 江苏森鑫联科技有限公司 | Wear-resistant castable for waste incinerators |
| CN108083783A (en) * | 2017-12-31 | 2018-05-29 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of 12000T cement kilns |
| CN108083828A (en) * | 2017-12-31 | 2018-05-29 | 嘉兴新耐建材有限公司 | A kind of medium-sized cement-kiln grate-cooler wall castable |
| CN108129140A (en) * | 2017-12-31 | 2018-06-08 | 嘉兴新耐建材有限公司 | A kind of cover for kiln head of cement kiln castable |
| CN108147795A (en) * | 2017-12-31 | 2018-06-12 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of 2500T cement kilns |
| CN108249933A (en) * | 2017-12-31 | 2018-07-06 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of cement kiln |
| CN108249932A (en) * | 2017-12-31 | 2018-07-06 | 嘉兴新耐建材有限公司 | A kind of large-size cement kiln kiln head cover castable |
| CN108275985A (en) * | 2017-12-31 | 2018-07-13 | 嘉兴新耐建材有限公司 | A kind of cement-kiln grate-cooler wall castable |
| CN108275984A (en) * | 2017-12-31 | 2018-07-13 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of 5000T cement kilns |
| CN108455974A (en) * | 2017-12-31 | 2018-08-28 | 嘉兴新耐建材有限公司 | A kind of cover for kiln head of cement kiln castable |
| WO2019196182A1 (en) * | 2018-04-08 | 2019-10-17 | 凤阳爱尔思轻合金精密成型有限公司 | Magnesium oxide whisker in-situ synthesis spinel-reinforced magnesium oxide-based crucible and preparation method therefor |
| CN112608160A (en) * | 2020-12-31 | 2021-04-06 | 长兴兴鹰新型耐火建材有限公司 | High-strength wear-resistant castable special for cement kiln gate |
| CN115650747A (en) * | 2022-11-16 | 2023-01-31 | 鞍山钢铁冶金炉材科技有限公司 | Magnesia-hercynite ladle wall gunning mix and preparation method thereof |
| CN118420327A (en) * | 2024-07-04 | 2024-08-02 | 湖南立达高新材料有限公司 | Spinel dry ramming mass for medium-frequency induction furnace and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570441A (en) * | 2008-04-30 | 2009-11-04 | 北京通达耐火技术股份有限公司 | Preparation method for wear, alkali resistant castable refractory material |
| CN102731126A (en) * | 2012-07-25 | 2012-10-17 | 营口青花耐火材料股份有限公司 | Composite spinel-zirconium refractory material for smelting colored heavy metal |
| CN102826812A (en) * | 2012-08-29 | 2012-12-19 | 江苏恒耐炉料集团有限公司 | Wear-resistant pouring material used for tertiary air pipe elbow of cement kiln |
| 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 |
-
2015
- 2015-11-19 CN CN201510800423.6A patent/CN105294127B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570441A (en) * | 2008-04-30 | 2009-11-04 | 北京通达耐火技术股份有限公司 | Preparation method for wear, alkali resistant castable refractory material |
| CN102731126A (en) * | 2012-07-25 | 2012-10-17 | 营口青花耐火材料股份有限公司 | Composite spinel-zirconium refractory material for smelting colored heavy metal |
| CN102826812A (en) * | 2012-08-29 | 2012-12-19 | 江苏恒耐炉料集团有限公司 | Wear-resistant pouring material used for tertiary air pipe elbow of cement kiln |
| 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 (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924188A (en) * | 2016-04-26 | 2016-09-07 | 江苏森鑫联科技有限公司 | Wear-resistant castable for waste incinerators |
| CN108083783A (en) * | 2017-12-31 | 2018-05-29 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of 12000T cement kilns |
| CN108083828A (en) * | 2017-12-31 | 2018-05-29 | 嘉兴新耐建材有限公司 | A kind of medium-sized cement-kiln grate-cooler wall castable |
| CN108129140A (en) * | 2017-12-31 | 2018-06-08 | 嘉兴新耐建材有限公司 | A kind of cover for kiln head of cement kiln castable |
| CN108147795A (en) * | 2017-12-31 | 2018-06-12 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of 2500T cement kilns |
| CN108249933A (en) * | 2017-12-31 | 2018-07-06 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of cement kiln |
| CN108249932A (en) * | 2017-12-31 | 2018-07-06 | 嘉兴新耐建材有限公司 | A kind of large-size cement kiln kiln head cover castable |
| CN108275985A (en) * | 2017-12-31 | 2018-07-13 | 嘉兴新耐建材有限公司 | A kind of cement-kiln grate-cooler wall castable |
| CN108275984A (en) * | 2017-12-31 | 2018-07-13 | 嘉兴新耐建材有限公司 | Kilneye castable after a kind of 5000T cement kilns |
| CN108455974A (en) * | 2017-12-31 | 2018-08-28 | 嘉兴新耐建材有限公司 | A kind of cover for kiln head of cement kiln castable |
| WO2019196182A1 (en) * | 2018-04-08 | 2019-10-17 | 凤阳爱尔思轻合金精密成型有限公司 | Magnesium oxide whisker in-situ synthesis spinel-reinforced magnesium oxide-based crucible and preparation method therefor |
| CN112608160A (en) * | 2020-12-31 | 2021-04-06 | 长兴兴鹰新型耐火建材有限公司 | High-strength wear-resistant castable special for cement kiln gate |
| CN112608160B (en) * | 2020-12-31 | 2022-11-11 | 长兴兴鹰新型耐火建材有限公司 | High-strength wear-resistant castable special for cement kiln flashboard |
| CN115650747A (en) * | 2022-11-16 | 2023-01-31 | 鞍山钢铁冶金炉材科技有限公司 | Magnesia-hercynite ladle wall gunning mix and preparation method thereof |
| CN115650747B (en) * | 2022-11-16 | 2023-12-15 | 鞍山钢铁冶金炉材科技有限公司 | Magnesia-hercynite steel ladle wall gunning material and preparation method thereof |
| CN118420327A (en) * | 2024-07-04 | 2024-08-02 | 湖南立达高新材料有限公司 | Spinel dry ramming mass for medium-frequency induction furnace and preparation method thereof |
| CN118420327B (en) * | 2024-07-04 | 2024-09-03 | 湖南立达高新材料有限公司 | Spinel dry ramming mass for medium-frequency induction furnace and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105294127B (en) | 2017-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105294127A (en) | Pouring material for cement kiln tertiary air duct | |
| CN105367095A (en) | Fireproof pouring material used for cement kiln tertiary air duct and preparation method thereof | |
| CN107032810B (en) | Gunning mix with excellent bonding performance for sintering large flue and preparation method | |
| CN102701764B (en) | Sintered alumina-silica refractory material and preparation method thereof | |
| CN101570441A (en) | Preparation method for wear, alkali resistant castable refractory material | |
| CN101367667A (en) | Flame-proof mending material for foundry ladle and manufacturing method thereof | |
| WO2014186687A1 (en) | Refractory castables with hydrophobic aggregates | |
| CN101555152A (en) | Single iron-port blast furnace tapping main channel gunning material and gunning technology | |
| CN101492304B (en) | Flame-proof pouring material | |
| CN103664205A (en) | Thermal shock-resistant low-expansion andalusite castable | |
| CN106830958B (en) | Low-aluminum low-heat-conduction alkali-resistant castable | |
| CN105272314A (en) | Environment-friendly chromium-free air brick | |
| CN105237018B (en) | A kind of wear-resisting anti-erosion castable of triple air hose of cement kiln | |
| CN110937905B (en) | High-thermal-shock-resistance composite kiln mouth castable | |
| CN104311056B (en) | Mullite fiber castable refractory | |
| CN103011851A (en) | Mullite-silicon-corundum abrasive brick and manufacturing method thereof | |
| CN105481387A (en) | Novel casting material with abrasion resistance and corrosion resistance and preparation method of novel casting material | |
| CN104876605A (en) | Refractory brick for boiler | |
| CN105924188A (en) | Wear-resistant castable for waste incinerators | |
| CN102992787A (en) | Special zirconium oxide fireproof brick for liner layer of smelting kiln | |
| CN104829244A (en) | Tertiary air duct curve prefabricated component for cement kiln | |
| CN104829242A (en) | Preparation method of tertiary air duct curve prefabricated component used for cement kiln | |
| CN110950670A (en) | Wear-resistant heat-resistant anticorrosive lining coating for power plant boiler | |
| JP2000203954A (en) | 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 | |
| CN105254317A (en) | Magnesium-iron-aluminum spinel coal injection pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |