CN105837228B - A kind of Special pouring material for coal injection pipe - Google Patents
A kind of Special pouring material for coal injection pipe Download PDFInfo
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- CN105837228B CN105837228B CN201610160478.XA CN201610160478A CN105837228B CN 105837228 B CN105837228 B CN 105837228B CN 201610160478 A CN201610160478 A CN 201610160478A CN 105837228 B CN105837228 B CN 105837228B
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- Prior art keywords
- powder
- injection pipe
- coal injection
- castable
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- 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
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
Abstract
The object of the present invention is to provide a kind of cement kiln coal injection pipe dedicated pouring materials, it is uneven that it can improve institutional framework existing for current castable, and solve application property difference and by application property difference band come castable segregation, stomata is more, the non-uniform defect of gas cell distribution.By above-mentioned measure, the not wear-resisting of kilneye can be effectively improved, chip off-falling not phenomena such as anti-erosion, can substantially extend the kilneye service life of cement kiln.
Description
Technical field
The present invention relates to building materials high-temperature material fields, and in particular to a kind of cement kiln coal injection pipe dedicated pouring material.
Background technology
China's new type nonaqueous cement production line is quickly grown at present, and cement production capacity is seriously superfluous.Therefore, manufacture of cement is looked forward to
Industry improves production of units efficiency, reduces production cost, is to generate profit maximized only way.And improve cement producing line
Running rate is the essential condition for improving cement kiln production efficiency.However operating of the service life of cement kiln coal injection pipe to whole production line
There is important influence in period.The coal injection pipe use condition of cement kiln is severe, except withstanding up in 1400 DEG C of kilns in addition to high temperature, also hold
It is washed away by cement kiln clinker, thermal stress caused by the Secondary Air that grate-cooler comes, the influence that chlor-alkali erosion brings it, thus it is right
The comprehensive performance for the castable that cement kiln coal injection pipe uses proposes higher requirement.The service life of current common coal injection pipe
3 to 8 months etc., such service life cannot still meet the needs of client.The main reason for influencing its service life is current
Castable refractory wears no resistance, and thermal stability is poor, and properties are unstable, while cement kiln coal injection pipe also not gas in water resistant stall
The chemical erosion of atmosphere constrains the raising of cement kiln production line rate, affects the economic benefit of cement producer.
In addition, current coal injection pipe castable there are workability it is poor the defects of, be easy to cause castable segregation, stomata
It is more, the shortcomings of gas cell distribution is uneven, so as to also reduce the service life of coal injection pipe.
Invention content
The object of the present invention is to provide a kind of coal injection pipe castable, solve application property difference and by application property difference band Lai
Castable is segregated, and stomata is more, the non-uniform defect of gas cell distribution.By above-mentioned measure, can be effectively improved coal injection pipe intolerant to
Mill, chip off-falling not phenomena such as anti-erosion, can substantially extend the coal injection pipe service life of cement kiln.
The present invention above-mentioned technical purpose technical scheme is that：A kind of cement kiln coal injection pipe is special
Castable, it is characterised in that：The component includes aluminium titanates, synthetic moissanite, Brown Alundum, strontium titanates powder, carbonic acid zirconium powder, red column
Mountain flour, silicic acid zinc powder, alumina powder, pure calcium aluminate cement, terbium oxide.
As priority, the component also includes C5H10N6O2, heat-resistant steel fiber, polyethers polycarboxylic acids.
Further, the component also includes Sulfonated Copolymer of Styrene and Maleic Anhydride and Tc2O7One or two.
A kind of preferential, described cement kiln coal injection pipe dedicated pouring material, it is characterised in that：The weight percent of the component
Number is：
Aluminium titanates 15-25%
Synthetic moissanite 10-20%
Brown Alundum 25-30%
Strontium titanates powder 5-10%
Carbonic acid zirconium powder 5-8%
Andalusite powder 1-3%
Zinc silicate 3-5%
Alumina powder 5-10%
Pure calcium aluminate cement 4-6%
Terbium oxide 1-2%
Additional C5H10N6O2 0.2%
Additional heat-resistant steel fiber 0.5%
Additional polyethers polycarboxylic acids 0.1%
Additional Sulfonated Copolymer of Styrene and Maleic Anhydride addition is 0.05%
Additional Tc2O7Addition be 0-0.05%.
Preferential, the weight percent of the component is：
Aluminium titanates 15%
Synthetic moissanite 20%
Brown Alundum 30%
Strontium titanates powder 10%
Carbonic acid zirconium powder 8%
Andalusite powder 2%
Zinc silicate 3%
Alumina powder 5%
Pure calcium aluminate cement 6%
Terbium oxide 1%
Additional C5H10N6O2 0.2%
Additional heat-resistant steel fiber 0.5%
Additional polyethers polycarboxylic acids 0.1%
Additional Sulfonated Copolymer of Styrene and Maleic Anhydride addition is 0.05%.
Preferential, the weight percent of the component is：
Aluminium titanates 20%
Synthetic moissanite 15%
Brown Alundum 30%
Strontium titanates powder 10%
Carbonic acid zirconium powder 8%
Andalusite powder 2%
Zinc silicate 3%
Alumina powder 5%
Pure calcium aluminate cement 5%
Terbium oxide 2%
Additional C5H10N6O2 0.2%
Additional heat-resistant steel fiber 0.5%
Additional polyethers polycarboxylic acids 0.1%
Additional Sulfonated Copolymer of Styrene and Maleic Anhydride addition is 0.05%
Additional Tc2O7Addition be 0.05%.
A kind of preferential, described cement kiln coal injection pipe dedicated pouring material, the component also include 0.3 part of Silica hydrogel powder.
As priority, aluminium titanate content >=98%；Carborundum content >=97% of synthetic moissanite；Zirconium carbonate >=97%,
The granularity of zirconium carbonate is≤10 μm；Silicic acid Zn content >=95%；Metatitanic acid content of strontium >=95%；Andalusite aluminium content >=57%；Terbium oxide
Content >=98%.
The technical indicator of the cement kiln coal injection pipe dedicated pouring material of the present invention is as follows：
Compared with prior art, it is an advantage of the invention that：Castable is by aluminium titanates, synthetic moissanite, Brown Alundum, strontium titanates
The materials such as powder, carbonic acid zirconium powder, andalusite, zinc silicate, terbium oxide, alumina powder and Extra Section composition, present invention improves
The thermal shock resistance of cement kiln coal injection pipe, erosion-resisting characteristics, high temperature resistance, wear-resisting property obtain preferable workability, carry
The high erosion-resisting characteristics of castable itself, obtains a kind of castable of good performance so that coal injection pipe prepared by castable
Service life extend to 2 times or more.
Specific embodiment
The present invention is described in further detail with reference to embodiment.This specific embodiment is only the solution to the present invention
It releases, is not the limitation to invention, those skilled in the art can be as needed to this implementation after this specification is read
Example makes any modification, but as long as all being protected in scope of the presently claimed invention by Patent Law.
Embodiment 1
A kind of cement kiln coal injection pipe dedicated pouring material, the weight percent of contained component are：
Aluminium titanates 25%
Synthetic moissanite 20%
Brown Alundum 25%
Strontium titanates powder 8%
Carbonic acid zirconium powder 5%
Andalusite powder 1%
Zinc silicate 3%
Alumina powder 5%
Pure calcium aluminate cement 6%
Terbium oxide 2%
C5H10N6O2 0.2%
Heat-resistant steel fiber 0.5%
Sulfonated Copolymer of Styrene and Maleic Anhydride 0.05%
Polyethers polycarboxylic acids 0.1%
Embodiment 2
A kind of cement kiln coal injection pipe dedicated pouring material, the weight percent of contained component are：
Aluminium titanates 15%
Synthetic moissanite 20%
Brown Alundum 30%
Strontium titanates powder 10%
Carbonic acid zirconium powder 8%
Andalusite powder 2%
Zinc silicate 3%
Alumina powder 5%
Pure calcium aluminate cement 6%
Terbium oxide 1%
C5H10N6O2 0.2%
Heat-resistant steel fiber 0.5%
Sulfonated Copolymer of Styrene and Maleic Anhydride 0.05%
Polyethers polycarboxylic acids 0.1%.
Embodiment 3
A kind of cement kiln coal injection pipe dedicated pouring material, the weight percent of contained component are：
Aluminium titanates 20%
Synthetic moissanite 15%
Brown Alundum 30%
Strontium titanates powder 10%
Carbonic acid zirconium powder 8%
Andalusite powder 2%
Zinc silicate 3%
Alumina powder 5%
Pure calcium aluminate cement 5%
Terbium oxide 2%
C5H10N6O2 0.2%
Heat-resistant steel fiber 0.5%
Sulfonated Copolymer of Styrene and Maleic Anhydride 0.05%
Polyethers polycarboxylic acids 0.1%
Tc2O70.05%。
Embodiment 4
A kind of cement kiln coal injection pipe dedicated pouring material, the weight percent of contained component are：
Aluminium titanates 20%
Synthetic moissanite 15%
Brown Alundum 30%
Strontium titanates powder 10%
Carbonic acid zirconium powder 8%
Andalusite powder 2%
Zinc silicate 3%
Alumina powder 5%
Pure calcium aluminate cement 5%
Terbium oxide 2%
C5H10N6O2 0.2%
Heat-resistant steel fiber 0.5%
Sulfonated Copolymer of Styrene and Maleic Anhydride 0.05%
Polyethers polycarboxylic acids 0.1%
Tc2O70.05%
Silica hydrogel powder 0.3%
Each component used in above-described embodiment is well known to those skilled in the art product, commercially available on the market
It arrives, wherein the addition of aluminium titanates, synthetic moissanite, strontium titanates, Brown Alundum, steel fibre, is conducive to the wearability of castable, thermal shock
Property；Andalusite has micro-expansibility；The introducing of zirconium carbonate causes castable to obtain good performance, zirconium carbonate in use
The micropore formed in oxide of high activity zirconium and the decomposable process with superperformance is decomposed to form, is all conducive to improve material
Thermal shock resistance, improve corrosion resistance, avoid castable that cracking, phenomena such as falling occurs；Zinc silicate, alumina powder simultaneously,
Terbium oxide can gradually react in use, generation performance aluminium gahnite preferably in situ, and the tissue for improving castable is equal
Even property improves the anti acid alkali performance energy of castable, chemical resistance of concrete performance.The Tc of addition2O7, sulfonated phenylethylene-maleic anhydride
Object, polyethers polycarboxylic acids can improve the operable time of castable, improve the distribution of stomata when castable is constructed, mobility
Can, according to temperature difference, it can suitably adjust addition；The C of addition5H10N6O2Generate micro- stomata of connection so that produced during baking
Raw steam is easily drained, and the Silica hydrogel powder activity of addition is high, is easy to aluminium oxide and generates mullite of good performance.Using above-mentioned
Scheme after, a kind of castable of good performance can be obtained so that the service life of coal injection pipe prepared by castable extends to 2 times
More than.
The cement kiln coal injection pipe dedicated pouring material of above-described embodiment 1-4 is prepared as follows：Each component is mixed and is stirred
It mixes uniformly, it is uniform to add suitable water mixing strong stirring, is subsequently molded through conventional maintenance and is used after toasting.
The physical index of above-described embodiment 1-4 relatively see the table below：
Claims (1)
1. a kind of cement kiln coal injection pipe dedicated pouring material, the castable comprise the following components in percentage by weight：
Aluminium titanates 25%
Synthetic moissanite 20%
Brown Alundum 25%
Strontium titanates powder 8%
Carbonic acid zirconium powder 5%
Andalusite powder 1%
Zinc silicate 3%
Alumina powder 5%
Pure calcium aluminate cement 6%
Terbium oxide 2%
Additional C5H10N6O2 0.2%
Additional heat-resistant steel fiber 0.5%
Additional Sulfonated Copolymer of Styrene and Maleic Anhydride 0.05%
Additional polyether-type polycarboxylic acids 0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160478.XA CN105837228B (en) | 2014-12-01 | 2014-12-01 | A kind of Special pouring material for coal injection pipe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160478.XA CN105837228B (en) | 2014-12-01 | 2014-12-01 | A kind of Special pouring material for coal injection pipe |
| CN201410709663.0A CN104355639B (en) | 2014-12-01 | 2014-12-01 | A kind of cement kiln coal injection pipe dedicated pouring material |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410709663.0A Division CN104355639B (en) | 2014-12-01 | 2014-12-01 | A kind of cement kiln coal injection pipe dedicated pouring material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105837228A CN105837228A (en) | 2016-08-10 |
| CN105837228B true CN105837228B (en) | 2018-06-29 |
Family
ID=52522979
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410709663.0A Active CN104355639B (en) | 2014-12-01 | 2014-12-01 | A kind of cement kiln coal injection pipe dedicated pouring material |
| CN201610160478.XA Active CN105837228B (en) | 2014-12-01 | 2014-12-01 | A kind of Special pouring material for coal injection pipe |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410709663.0A Active CN104355639B (en) | 2014-12-01 | 2014-12-01 | A kind of cement kiln coal injection pipe dedicated pouring material |
Country Status (1)
| Country | Link |
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| CN (2) | CN104355639B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106083105A (en) * | 2016-06-30 | 2016-11-09 | 张婷 | A kind of airduct flashboard castable |
| CN106083098A (en) * | 2016-06-30 | 2016-11-09 | 张婷 | A kind of grate-cooler wall castable |
| CN106083103A (en) * | 2016-06-30 | 2016-11-09 | 万燕杰 | A kind of cement kiln flashboard dedicated pouring material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514109A (en) * | 2009-01-23 | 2009-08-26 | 安徽宁火新材料有限公司 | Cement kiln coal injection pipe castable |
| CN102584295A (en) * | 2012-02-29 | 2012-07-18 | 浙江锦诚耐火材料有限公司 | Special pouring material for coal injection pipe |
| CN103771889A (en) * | 2014-02-16 | 2014-05-07 | 徐梅子 | Special casting material for 12000D/T kilneye |
| CN103979949A (en) * | 2014-06-06 | 2014-08-13 | 辽宁中镁控股股份有限公司 | Castable for steel ladle cover and application thereof |
-
2014
- 2014-12-01 CN CN201410709663.0A patent/CN104355639B/en active Active
- 2014-12-01 CN CN201610160478.XA patent/CN105837228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514109A (en) * | 2009-01-23 | 2009-08-26 | 安徽宁火新材料有限公司 | Cement kiln coal injection pipe castable |
| CN102584295A (en) * | 2012-02-29 | 2012-07-18 | 浙江锦诚耐火材料有限公司 | Special pouring material for coal injection pipe |
| CN103771889A (en) * | 2014-02-16 | 2014-05-07 | 徐梅子 | Special casting material for 12000D/T kilneye |
| CN103979949A (en) * | 2014-06-06 | 2014-08-13 | 辽宁中镁控股股份有限公司 | Castable for steel ladle cover and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104355639A (en) | 2015-02-18 |
| CN104355639B (en) | 2016-05-04 |
| CN105837228A (en) | 2016-08-10 |
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Effective date of registration: 20180314 Address after: Yongchun County of Quanzhou City, Fujian Province town of 362000 Peach Industrial Zone D-10 building B No. Huashan Applicant after: Quanzhou Yongli arts and Crafts Research Co., Ltd. Address before: Stone bridge town Haining city Jiaxing city Zhejiang province 314400 No. 26 Applicant before: Zhang Ting |
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Effective date of registration: 20190610 Address after: 7136 Airport Road, Jinan High-tech District, 250000 Shandong Province Patentee after: SHANDONG LUMING NEW MATERIALS CO., LTD. Address before: 362000 Building B, D-10, Tanhuashan Industrial Zone, Taocheng Town, Yongchun County, Quanzhou City, Fujian Province Patentee before: Quanzhou Yongli arts and Crafts Research Co., Ltd. |