CN105712724B - A kind of 12000T cement kiln coal injection pipes dedicated pouring material - Google Patents
A kind of 12000T cement kiln coal injection pipes dedicated pouring material Download PDFInfo
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- CN105712724B CN105712724B CN201610160961.8A CN201610160961A CN105712724B CN 105712724 B CN105712724 B CN 105712724B CN 201610160961 A CN201610160961 A CN 201610160961A CN 105712724 B CN105712724 B CN 105712724B
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- powder
- cement kiln
- coal injection
- castable
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Classifications
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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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The object of the present invention is to provide a kind of 12000T cement kiln coal injection pipes 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 12000T cement kiln coal injection pipes 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 is not wear-resisting, not anti-strip, thermal shock resistance difference etc., while cement kiln coal injection pipe also not water resistant mud kiln atmosphere
Chemical erosion 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, which solve application property difference and by application property difference band Lai
Castable segregation, stomata is more, the non-uniform defect of gas cell distribution.By above-mentioned measure, coal injection pipe can be effectively improved not
Wear-resisting, 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 12000T cement kiln coal injections
Pipe dedicated pouring material, it is characterised in that：The component includes corundum spinelle, synthetic moissanite, Brown Alundum, strontium titanates powder, carbon
Sour zirconium powder, andalusite powder, 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：
Corundum spinelle 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：
Corundum spinelle 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：
Corundum spinelle 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 silica xerogel powder 0.3
Part.
As priority, alumina content >=78% of the corundum spinelle；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 corundum spinelle, synthetic moissanite, Brown Alundum, titanium
The materials such as sour strontium powder, carbonic acid zirconium powder, andalusite, zinc silicate, terbium oxide, alumina powder and Extra Section composition, the present invention change
The thermal shock resistance of cement kiln coal injection pipe has been apt to it, erosion-resisting characteristics, high temperature resistance, wear-resisting property obtains preferable application property
Can, the erosion-resisting characteristics of castable itself is improved, obtains a kind of castable of good performance so that spray prepared by castable
The service life of coal pipe extends 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 12000T cement kiln coal injection pipes dedicated pouring material, the weight percent of contained component are：
Corundum spinelle 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 12000T cement kiln coal injection pipes dedicated pouring material, the weight percent of contained component are：
Corundum spinelle 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 12000T cement kiln coal injection pipes dedicated pouring material, the weight percent of contained component are：
Corundum spinelle 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 12000T cement kiln coal injection pipes dedicated pouring material, the weight percent of contained component are：
Corundum spinelle 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 xerogel 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 synthetic moissanite, strontium titanates, Brown Alundum, steel fibre, is conducive to the wearability of castable, thermal shock resistance；Red column
Stone has micro-expansibility；The introducing of zirconium carbonate causes castable to obtain good performance, zirconium carbonate decomposing shape in use
The micropore formed into oxide of high activity zirconium and decomposable process with superperformance is all conducive to improve the heat resistanceheat resistant of material
Pinking improves corrosion resistance, phenomena such as avoiding castable generation cracking, fall；Zinc silicate, alumina powder simultaneously, terbium oxide,
It can gradually react in use, generation performance aluminium gahnite preferably in situ improves the structural homogenity of castable, carries
The anti acid alkali performance energy of high castable, chemical resistance of concrete performance.The Tc of addition2O7, Sulfonated Copolymer of Styrene and Maleic Anhydride, polyethers
Property polycarboxylic acids can improve the operable time of castable, the distribution of stomata when improving castable construction, mobile performance, according to
Temperature is different, can suitably adjust addition；The C of addition5H10N6O2Generate micro- stomata of connection so that the steaming generated during baking
Vapour is easily drained, and the silica xerogel powder activity of addition is high, is easy to aluminium oxide and generates mullite of good performance.Using above-mentioned side
After case, a kind of castable of good performance can be obtained so that castable prepare coal injection pipe service life extend to 2 times with
On.
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 12000T cement kiln coal injection pipes dedicated pouring material, the castable comprise the following components in percentage by weight：
Corundum spinelle 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 polyethers polycarboxylic acids 0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160961.8A CN105712724B (en) | 2014-12-01 | 2014-12-01 | A kind of 12000T cement kiln coal injection pipes dedicated pouring material |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710962.6A CN104355642B (en) | 2014-12-01 | 2014-12-01 | A kind of 12000T cement kiln coal injection pipe dedicated pouring material |
| CN201610160961.8A CN105712724B (en) | 2014-12-01 | 2014-12-01 | A kind of 12000T cement kiln coal injection pipes dedicated pouring material |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410710962.6A Division CN104355642B (en) | 2014-12-01 | 2014-12-01 | A kind of 12000T cement kiln coal injection pipe dedicated pouring material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105712724A CN105712724A (en) | 2016-06-29 |
| CN105712724B true CN105712724B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610160961.8A Active CN105712724B (en) | 2014-12-01 | 2014-12-01 | A kind of 12000T cement kiln coal injection pipes dedicated pouring material |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584295B (en) * | 2012-02-29 | 2013-06-05 | 浙江锦诚耐火材料有限公司 | Special pouring material for coal injection pipe |
| CN102584296B (en) * | 2012-02-29 | 2013-07-31 | 浙江锦诚耐火材料有限公司 | Special castable for kiln outlet |
| CN103553667A (en) * | 2013-10-25 | 2014-02-05 | 宁夏天纵泓光余热发电技术有限公司 | Special casting material of coal-injection duct |
| CN103803994B (en) * | 2014-02-14 | 2015-06-10 | 占丽青 | Small blast furnace main iron runner castable |
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2014
- 2014-12-01 CN CN201610160961.8A patent/CN105712724B/en active Active
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| Publication number | Publication date |
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| CN105712724A (en) | 2016-06-29 |
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| TA01 | Transfer of patent application right |
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: 20190524 Address after: 434000 Sankong Village, Hualinsi Town, Yuanan County, Yichang City, Hubei Province (Mayang River) Patentee after: Yichang Hualin Cement 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. |
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