CN107010975A - A kind of limekiln resistive connection skin wear-resistant castable - Google Patents
A kind of limekiln resistive connection skin wear-resistant castable Download PDFInfo
- Publication number
- CN107010975A CN107010975A CN201710410657.9A CN201710410657A CN107010975A CN 107010975 A CN107010975 A CN 107010975A CN 201710410657 A CN201710410657 A CN 201710410657A CN 107010975 A CN107010975 A CN 107010975A
- Authority
- CN
- China
- Prior art keywords
- parts
- limekiln
- dispensing
- resistive connection
- electric smelting
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
The present invention discloses a kind of limekiln resistive connection skin wear-resistant castable, including base-material, dispensing and additive, and the principal component of the base-material includes the component of following parts by weight：10 ~ 15 parts of Cr2AlC, 5 ~ 8 parts of Ti2AlC, 20 ~ 25 parts of electric-melting magnesium zirconium spinels, 25 ~ 28 parts of sintering fused alumina zirconias, 20 ~ 30 parts of electrofused mullites, 5 ~ 10 parts of electric smelting calcium magnesites and 3 ~ 8 parts of electric smelting aluminous cements.Castable provided by the present invention, it is particluarly suitable for using in limekiln, with even tissue, the uniform castable internal structure of crystal, the overall performance of castable is kept, not only strengthens anti-erosion and scour resistance, it is important that can effectively prevent skinning, overcome blocking, it is ensured that the system ventilation of kiln is smooth.
Description
Technical field
The present invention relates to a kind of castable, specifically a kind of limekiln resistive connection skin wear-resistant castable belongs to fire proofed wood
Material field.
Background technology
In limekiln, limekiln top, side wall etc., the easy skinning in these places, the damage to castable are very serious, warp
Often stop kiln maintenance.These usual positions use steel fiber castable or High-Alumina Low Cement Castable, such as Patent No.
A kind of mullite steel fiber castable, is represented with weight percentage disclosed in CN101805198B, and the mullite steel fiber is poured
Contain Brown Alundum 29 ~ 40%, bauxite chamotte 10 ~ 15%, fused mullite 18 ~ 32%, electrofused mullite in material feeding raw material proportioning
8 ~ 12%, silicon powder 3 ~ 7%, coagulant 2 ~ 5% and stainless steel fibre 1 ~ 3%, compared with existing common high alumina castable, with higher
Compressive resistance and rupture strength, and bulk density is big.Mullite steel fiber castable product of the present invention has good resist
Thermal shock performance, scour resistance and volume stability.But, can all there are lime raw material skinning and asking for blocking during use
Topic, destroys refractory material interior tissue and interior material structure, while material surface sticks layered skinning, severe patient causes to block up
Plug, causes system ventilation not smooth, and thermal regulation is disorderly, and coal consumption is improved.
The content of the invention
The invention aims to overcome the drawbacks described above that existing fire-resisting prefabricated brick exists when limekiln is used, carry
For a kind of limekiln resistive connection skin wear-resistant castable, material limekiln castable internal structure composition can be optimized, material is improved
Structural homogenity, and then cause material that there is higher resistance to elevated temperatures and preferable alkali resistance, resistive connection skin, wearability and heat resistanceheat resistant
Pinking, it is ensured that limekiln system operation is smooth.
In order to achieve the above object, the present invention is adopted the following technical scheme that：A kind of limekiln resistive connection skin wear-resistant pouring
Material, including base-material, dispensing and additive, the principal component of the base-material include the component of following parts by weight：10-15 parts of Cr2AlC,
5-8 parts of Ti2AlC, 20~25 parts of electric-melting magnesium zirconium spinels, 25~28 parts of sintering fused alumina zirconias, 20~30 parts of electrofused mullites, 5~
The content of magnesia is more than 80% in 10 parts of electric smelting calcium magnesites and 3~8 parts of electric smelting aluminous cements, the electric smelting calcium magnesite, institute
Stating dispensing includes particulate dispensing and fiber dispensing, and the length of the fiber dispensing is 1~2mm, the addition of the fiber dispensing
For the base-material and the 30~40% of the particulate ingredients by weight sum；The electric-melting magnesium zirconium spinel is including mass percent
The magnesium zirconium spinel and 30 that magnesium zirconium spinel that 16~25% particle diameter is 0.5-2.5mm, 30~65% particle diameter are 2.5-6.5mm
~65% particle diameter is 2.5-6.5mm magnesium zirconium spinel.
Above-mentioned technical proposal, coordinates substrate material by aggregate, forms a kind of limekiln castable, and advantage is the formula
Materials microstructure can be optimized, the new thing phase of material is obtained, a kind of even tissue is formed, the uniform internal structure of crystal is kept
The overall performance of material, not only strengthens anti-erosion and scour resistance, it is important that can effectively prevent skinning.
Preferably, the particulate dispensing includes ceramic particle, Bubble zirconia particulate and floating bead and colloidal particles.
Preferably, the fiber dispensing includes Zirconium oxide fibre, polypropylene fibre and mullite fiber.
Preferably, the addition parts by weight of the fiber dispensing each component are：10~15 parts of Zirconium oxide fibre, polypropylene are fine
Tie up 1~2. part, 55~75 parts of mullite fiber.
Preferably, the electric smelting calcium magnesite include 5~10% 20~15mm electric smelting calcium magnesite, the 15 of 15~20%~
5mm electric smelting calcium magnesite, 20~70% 5~1mm electric smelting calcium magnesite.
Preferably, the content of alchlor and silica is described more than 65% in the electrofused mullite
Cr2AlC granularity 1-0mm, Ti2AlC granularity is 0.5-0mm.
Preferably, the additive includes being melamine, calcium lignosulfonate powder, citric acid, 2 kinds or 3 kinds of mixtures.
By implementing above-mentioned technical proposal, castable provided by the present invention is particluarly suitable for using in limekiln, had
Even tissue, the uniform internal structure of crystal keeps the overall performance of material, not only strengthens anti-erosion and scour resistance, important
Be that can effectively prevent skinning, overcome blocking, it is ensured that the system operation of kiln is smooth.
Embodiment
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1：
A kind of limekiln resistive connection skin wear-resistant castable, including base-material, dispensing and additive.The principal component of base-material includes following weight
Measure the component of part：10 parts of Cr2AlC, 8 parts of Ti2AlC, 25 parts of electric-melting magnesium zirconium spinels, 25 parts of sintering fused alumina zirconias, 20 parts of electric smelting are not
Carry out the content of magnesia in stone, 5 parts of electric smelting calcium magnesites and 7 parts of electric smelting aluminous cements, the electric smelting calcium magnesite more than 80%,
The dispensing includes particulate dispensing and fiber dispensing, and the length of the fiber dispensing is 1~2mm, the addition of the fiber dispensing
Measure 30~40% for the base-material and the particulate ingredients by weight sum；The electric-melting magnesium zirconium spinel includes mass percent
For 16~25% particle diameter be 0.5-2.5mm magnesium zirconium spinel, 30~65% particle diameter be 2.5-6.5mm magnesium zirconium spinel and
30~65% particle diameter is 2.5-6.5mm magnesium zirconium spinel；Additive is melamine, calcium lignosulfonate powder, is in mass ratio 1:3 mix
Close.
Embodiment 2：
A kind of limekiln resistive connection skin wear-resistant castable, including base-material, dispensing and additive.The principal component of base-material includes following weight
Measure the component of part：12 parts of Cr2AlC, 8 parts of Ti2AlC, 23 parts of electric-melting magnesium zirconium spinels, 25 parts of sintering fused alumina zirconias, 20 parts of electric smelting are not
Carry out the content of magnesia in stone, 5 parts of electric smelting calcium magnesites and 7 parts of electric smelting aluminous cements, the electric smelting calcium magnesite more than 80%,
The dispensing includes particulate dispensing and fiber dispensing, and the length of the fiber dispensing is 1~2mm, the addition of the fiber dispensing
Measure 30~40% for the base-material and the particulate ingredients by weight sum；The electric-melting magnesium zirconium spinel includes mass percent
For 16~25% particle diameter be 0.5-2.5mm magnesium zirconium spinel, 30~65% particle diameter be 2.5-6.5mm magnesium zirconium spinel and
30~65% particle diameter is 2.5-6.5mm magnesium zirconium spinel；Additive is melamine, calcium lignosulfonate powder, is in mass ratio 1:3 mix
Close.
Embodiment 3：
A kind of limekiln resistive connection skin wear-resistant castable, castable includes base-material, dispensing and additive.The principal component of base-material includes
The component of following parts by weight：11 parts of Cr2AlC, 8 parts of Ti2AlC, 23 parts of electric-melting magnesium zirconium spinels, 25 parts of sintering fused alumina zirconias, 20 parts
The content of magnesia is 80% in electrofused mullite, 5 parts of electric smelting calcium magnesites and 8 parts of electric smelting aluminous cements, the electric smelting calcium magnesite
More than, the dispensing includes particulate dispensing and fiber dispensing, and the length of the fiber dispensing is 1~2mm, the fiber dispensing
Addition is the 30~40% of the base-material and the particulate ingredients by weight sum；The electric-melting magnesium zirconium spinel includes quality hundred
Divide the magnesium zirconium point that magnesium zirconium spinel, 30~65% particle diameter that the particle diameter that ratio is 16~25% is 0.5-2.5mm are 2.5-6.5mm brilliant
Stone and the magnesium zirconium spinel that 30~65% particle diameter is 2.5-6.5mm；Additive is melamine, calcium lignosulfonate powder, citric acid by quality
Than for 1:3：0.05 mixing.
Embodiment 4：
A kind of limekiln resistive connection skin wear-resistant castable, including base-material, dispensing and additive.The principal component of base-material includes following weight
Measure the component of part：15 parts of Cr2AlC, 9 parts of Ti2AlC, 23 parts of electric-melting magnesium zirconium spinels, 25 parts of sintering fused alumina zirconias, 20 parts of electric smelting are not
Carry out the content of magnesia in stone, 5 parts of electric smelting calcium magnesites and 3 parts of electric smelting aluminous cements, the electric smelting calcium magnesite more than 80%,
The dispensing includes particulate dispensing and fiber dispensing, and the length of the fiber dispensing is 1~2mm, the addition of the fiber dispensing
Measure 30~40% for the base-material and the particulate ingredients by weight sum；The electric-melting magnesium zirconium spinel includes mass percent
For 16~25% particle diameter be 0.5-2.5mm magnesium zirconium spinel, 30~65% particle diameter be 2.5-6.5mm magnesium zirconium spinel and
30~65% particle diameter is 2.5-6.5mm magnesium zirconium spinel；Additive is melamine, calcium lignosulfonate powder, citric acid, and three presses matter
Amount is than being 1:3：0.05 mixing.
Claims (7)
1. a kind of limekiln resistive connection skin wear-resistant castable, including base-material, dispensing and additive, the principal component of the base-material include
The component of following parts by weight：10-15 parts of Cr2AlC, 5-8 parts of Ti2AlC, 20~25 parts of electric-melting magnesium zirconium spinels, 25~28 parts of sintering
Fused alumina zirconia, 20~30 parts of electrofused mullites, 5~10 parts of electric smelting calcium magnesites and 3~8 parts of electric smelting aluminous cements, the electric-melting magnesium
The content of magnesia is more than 80% in calcium sand, and the dispensing includes particulate dispensing and fiber dispensing, the length of the fiber dispensing
For 1~2mm, the addition of the fiber dispensing is the base-material and the 30~40% of the particulate ingredients by weight sum；The electricity
Molten magnesium zirconium spinel includes the magnesium zirconium spinel that the particle diameter that mass percent is 16~25% is 0.5-2.5mm, 30~65% grain
The magnesium zirconium spinel that the magnesium zirconium spinel and 30~65% particle diameter that footpath is 2.5-6.5mm are 2.5-6.5mm.
2. a kind of limekiln resistive connection skin wear-resistant castable according to claim 1, it is characterised in that the particulate dispensing bag
Include ceramic particle, Bubble zirconia particulate and floating bead and colloidal particles.
3. a kind of limekiln resistive connection skin wear-resistant castable according to claim 1, it is characterised in that the fiber dispensing bag
Include Zirconium oxide fibre, polypropylene fibre and mullite fiber.
4. a kind of limekiln resistive connection skin wear-resistant castable according to claim 1, it is characterised in that the fiber dispensing is each
The addition parts by weight of component are：10~15 parts of Zirconium oxide fibre, 1~2. part of polypropylene fibre, 55~75 parts of mullite fiber.
5. a kind of limekiln resistive connection skin wear-resistant castable according to claim 1, it is characterised in that the electric smelting calcium magnesite
Electric smelting calcium magnesite, 20~70% 5~1mm of electric smelting calcium magnesite, 15~20% 15~5mm including 5~10% 20~15mm
Electric smelting calcium magnesite.
6. a kind of limekiln resistive connection skin wear-resistant castable according to claim 1, it is characterised in that the electrofused mullite
The content of middle alchlor and silica is more than 68%.
7. a kind of limekiln resistive connection skin wear-resistant castable according to claim 1, it is characterised in that the additive includes
For 2 kinds in melamine, calcium lignosulfonate powder, citric acid or 3 kinds of mixtures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410657.9A CN107010975A (en) | 2017-06-03 | 2017-06-03 | A kind of limekiln resistive connection skin wear-resistant castable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410657.9A CN107010975A (en) | 2017-06-03 | 2017-06-03 | A kind of limekiln resistive connection skin wear-resistant castable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107010975A true CN107010975A (en) | 2017-08-04 |
Family
ID=59451015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710410657.9A Pending CN107010975A (en) | 2017-06-03 | 2017-06-03 | A kind of limekiln resistive connection skin wear-resistant castable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107010975A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101607827A (en) * | 2009-07-20 | 2009-12-23 | 卫辉熔金高温材料有限责任公司 | Steel ladle using casting material prefabricated lower casting nozzle brick and production method thereof |
| WO2011148614A1 (en) * | 2010-05-27 | 2011-12-01 | 出光興産株式会社 | Sintered oxide material, target comprising same, and oxide semiconductor thin film |
| CN104876598A (en) * | 2015-05-14 | 2015-09-02 | 武汉钢铁(集团)公司 | Max phase-boron nitride composite ceramic side seal plate for thin-strip casting and manufacturing method of Max phase-boron nitride composite ceramic side seal plate |
| CN105367095A (en) * | 2015-11-19 | 2016-03-02 | 长兴兴鹰新型耐火建材有限公司 | Fireproof pouring material used for cement kiln tertiary air duct and preparation method thereof |
| CN105541352A (en) * | 2015-12-21 | 2016-05-04 | 洛阳利尔耐火材料有限公司 | Chromium-alumina-carbon bricks and preparation method therefor |
-
2017
- 2017-06-03 CN CN201710410657.9A patent/CN107010975A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101607827A (en) * | 2009-07-20 | 2009-12-23 | 卫辉熔金高温材料有限责任公司 | Steel ladle using casting material prefabricated lower casting nozzle brick and production method thereof |
| WO2011148614A1 (en) * | 2010-05-27 | 2011-12-01 | 出光興産株式会社 | Sintered oxide material, target comprising same, and oxide semiconductor thin film |
| CN104876598A (en) * | 2015-05-14 | 2015-09-02 | 武汉钢铁(集团)公司 | Max phase-boron nitride composite ceramic side seal plate for thin-strip casting and manufacturing method of Max phase-boron nitride composite ceramic side seal plate |
| CN105367095A (en) * | 2015-11-19 | 2016-03-02 | 长兴兴鹰新型耐火建材有限公司 | Fireproof pouring material used for cement kiln tertiary air duct and preparation method thereof |
| CN105541352A (en) * | 2015-12-21 | 2016-05-04 | 洛阳利尔耐火材料有限公司 | Chromium-alumina-carbon bricks and preparation method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105461331B (en) | A kind of resistive connection skin abrasion-resistant prefabricated brick and preparation method thereof | |
| CN105294126B (en) | A kind of cement kiln resistive connection skin abrasion-resistant prefabricated brick | |
| CN104058755A (en) | Silica-fume-free self-flow alumina magnesia castable | |
| CN107141000A (en) | A kind of resistive connection skin wear-resistant castable | |
| CN103553670B (en) | Ultramicron powder refractory castable | |
| CN104086185A (en) | Silica-fume-free self-flow casting material | |
| CN103449832B (en) | High-strength casting material for runner swinging sliding nozzle and preparation method of high-strength casting material | |
| KR101047358B1 (en) | Refractory Compositions for Steel Industry | |
| CN109456072B (en) | Anti-skinning castable for cement kiln and preparation method thereof | |
| CA1249608A (en) | Abrasion resistant refractory composition | |
| CN106986656A (en) | A kind of limekiln resistive connection skin abrasion-resistant prefabricated brick | |
| JP2005154180A (en) | Alumina cement composition and monolithic refractory | |
| CN107010975A (en) | A kind of limekiln resistive connection skin wear-resistant castable | |
| CN102850068A (en) | Magnesium-iron-aluminum spinel brick and preparation method thereof | |
| Khalil | Refractory concrete based on barium aluminate–barium zirconate cements for steel-making industries | |
| CN109336569A (en) | A kind of castable refractory | |
| CN109456067A (en) | A kind of castable refractory | |
| CN103482992A (en) | Fireproof material for steel ladle bottom and preparation method thereof | |
| EP1502905A1 (en) | Monothilic refractory composition | |
| JP4070287B2 (en) | Alumina cement composition and amorphous refractory using the same | |
| JP2005067930A (en) | Alumina cement, alumina cement composition, and monolithic refractory using it | |
| CN109336624A (en) | A kind of castable refractory | |
| JP4588239B2 (en) | Alumina cement, alumina cement composition, and amorphous refractory using the same | |
| JPH03174369A (en) | Monolithic refractory | |
| KR100317307B1 (en) | Monolithic Basic Refractories Having High Durability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170804 |