CN105237018B - A kind of wear-resisting anti-erosion castable of triple air hose of cement kiln - Google Patents
A kind of wear-resisting anti-erosion castable of triple air hose of cement kiln Download PDFInfo
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- CN105237018B CN105237018B CN201510800511.6A CN201510800511A CN105237018B CN 105237018 B CN105237018 B CN 105237018B CN 201510800511 A CN201510800511 A CN 201510800511A CN 105237018 B CN105237018 B CN 105237018B
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- 239000004568 cement Substances 0.000 title claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 70
- 230000008018 melting Effects 0.000 claims abstract description 66
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910001691 hercynite Inorganic materials 0.000 claims abstract description 63
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 59
- 239000011029 spinel Substances 0.000 claims abstract description 59
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 39
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 24
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 24
- 230000035939 shock Effects 0.000 claims abstract description 21
- XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 19
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical compound [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007767 bonding agent Substances 0.000 claims abstract description 12
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 12
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 35
- 239000000126 substance Substances 0.000 claims description 21
- 238000003723 Smelting Methods 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052593 corundum Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- 229910003465 moissanite Inorganic materials 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- -1 iron Aluminate Chemical class 0.000 description 12
- 239000011777 magnesium Substances 0.000 description 11
- 229910052749 magnesium Inorganic materials 0.000 description 11
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 150000004645 aluminates Chemical class 0.000 description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 5
- 239000011819 refractory material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 230000002742 anti-folding effect Effects 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 4
- 239000011449 brick Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 208000035126 Facies Diseases 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229910003023 Mg-Al Inorganic materials 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910001570 bauxite Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000002006 petroleum coke Substances 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 229910001051 Magnalium Inorganic materials 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Abstract
The present invention relates to fire resisting material field, more particularly to a kind of wear-resisting anti-erosion castable of triple air hose of cement kiln.It includes following component raw material and parts by weight：20 50 parts of white fused alumina；18 30 parts of mullite M45；15 40 parts of electric melting magnesium aluminum spinel；10 30 parts of fused hercynite；35 parts of zirconium carbonate；35 parts of carborundum；23 parts of silicon powder；28 parts of alumina powder；0.1 1 parts of sodium tripolyphosphate；Additional 5 10 parts of bonding agent.Brilliant 15 25 parts of the particle of electric melting magnesium-aluminium point of electric melting magnesium aluminum spinel including 5 8mm, 5 20 parts of 3 5mm, 1 3mm 5 15 parts of grain, 0 1mm brilliant 5 15 parts of the particle of electric melting magnesium-aluminium point；Fused hercynite includes 5 8mm 10 20 parts of fused hercynite particle, 3 5mm 5 15 parts of fused hercynite particle, 1 3mm 5 10 parts of fused hercynite particle, 0 1mm 5 10 parts of fused hercynite particle；White fused alumina be by granularity be 1 5mm white fused alumina and 6 10mm white fused alumina according to mass ratio 1:35 mix.Castable anti-wear performance of the present invention is high, resistance to elevated temperatures is preferable and thermal shock resistance is strong.
Description
Technical field
The present invention relates to fire resisting material field, more particularly to a kind of wear-resisting anti-erosion castable of triple air hose of cement kiln.
Background technology
Cement rotary kiln tertiary-air pipe straight tube, the position such as elbow, stalk are because temperature is higher and material washes away seriously, material
Alkali components weight, chemical erosion effect is strong, and traditional refractory material uses at the position, causes damage frequent, the life-span is not grown.It is existing
Rotary kiln to construction period require it is harsher, it is desirable to short construction period, dry kiln it is fast, can than putting into production use faster,
This just proposes higher requirement to lining body material.Existing wear-resistant castable generally existing anti-wear performance is not in the market
High, the defects of resistance to elevated temperatures is poor and thermal shock resistance is not strong, at tertiary-air pipe position, service life is general very short, or even two
Damaged substantially by three months, be difficult to meet the needs of market.
Such as notification number is CN104355646A（2015-02-18）Disclosed a kind of cement kiln outlet castable, although can
It is more to reduce stomata, the problems such as gas cell distribution is uneven, but the obscission of castable uses wearability again without improvement
Can not be high, resistance to elevated temperatures is poor and thermal shock resistance is not strong the defects of, be not suitable for preparing triple air hose of cement kiln wear-resisting
Anti-erosion castable.
The content of the invention
It is an object of the invention to provide a kind of water that a kind of anti-wear performance is high, resistance to elevated temperatures is preferable and thermal shock resistance is strong
The wear-resisting anti-erosion castable of stall tertiary-air pipe.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of wear-resisting anti-erosion castable of triple air hose of cement kiln, it includes following component raw material and parts by weight：
White fused alumina 20-50 parts
Mullite M45 18-30 parts
Electric melting magnesium aluminum spinel 15-40 parts
Fused hercynite 10-30 parts
Zirconium carbonate 3-5 parts
Carborundum 3-5 parts
Silicon powder 2-3 parts
Alumina powder 2-8 parts
Sodium tripolyphosphate 0.1-1 parts
Additional bonding agent 5-10 parts
Wherein described electric melting magnesium aluminum spinel includes the electric smelting of 5-8mm electric melting magnesium-aluminium point brilliant particle 15-25 part, 3-5mm
The brilliant particle 5-20 parts of magnalium point, 1-3mm brilliant particle 5-15 parts of electric melting magnesium-aluminium point, the 0-1mm brilliant particle 5-15 of electric melting magnesium-aluminium point
Part；
The fused hercynite includes 5-8mm fused hercynite particle 10-20 parts, 3-5mm electric smelting iron
Aluminate particle 5-15 parts, 1-3mm fused hercynite particle 5-10 parts, 0-1mm fused hercynite particle
5-10 parts；
The white fused alumina be by granularity be 1-5mm white fused alumina and 6-10mm white fused alumina according to mass ratio 1:3-5 is mixed
Form.
The working condition of cement kiln privileged sites, by studying the damage mechanism of tertiary-air pipe part material, develop
A kind of wear-resisting anti-erosion castable that combines of high-performance chemical, by high intensity aggregate, Mineral admixture, and additional
Agent, it is formulated through industrialized production.This product feature has high explosion-proof performance, and product can progressively occur in use
Chemical reaction, being formed has wearability height, the good and high-time feature of acid resistance.The castable convenient and quick construction, it is existing
Field stirring can be used, and by manually pouring into a mould, simple conserve can reach requirement, and its average life was up to more than 2 years.
Bauxite base sintering magnesium aluminate spinel uses the high-quality alumina and content of magnesia of alundum (Al2O3) content more than 76%
More than 95% high-quality light-burning magnesium powder, by multistage homogenizing process, in ultra-high-temperature tunnel kiln through 1800 DEG C of high temperature above sintering and
Into bulk density is big, and mineral facies content is high, and grain development is good, even structure, steady quality.Magnesium aluminate spinel has good
Anti-erosion, burn into peel-ability is strong, and slag resistance is good, abrasion resistance, good thermal shock stability, the performance characteristics such as high temperature resistant.
It is the desirable feedstock for producing the refractory products such as cement rotary kiln height temperate zone Mg-Al spinel brick, ladle brick, pouring materialfor steel ladle.
Magnesium aluminate spinel is widely used in refractory material, smelting iron and steel, on cement rotary kiln and glass industry kiln.
Hercynite is the high-quality electric smelting sections aluminate synthesized using aluminum oxide and iron containing compoundses, and environmental protection is without dirt
Dye.With excellent thermal shock resistance, alkali resistance scouring ability.
Preferably, the additional bonding agent is concentration 30-60wt% phosphoric acid, concentration 35-45wt% aluminium dihydrogen phosphate
Solution is according to mass ratio 1:2-4 is combined.
Preferably, the castable each component parts by weight are：50 parts of white fused alumina, 30 parts of mullite M45, electric melting magnesium-aluminium
40 parts of spinelle, 30 parts of fused hercynite, 5 parts of zirconium carbonate, 5 parts of carborundum, 3 parts of silicon powder, 8 parts of alumina powder, three
1 part of polyphosphate sodium, wherein electric melting magnesium aluminum spinel include 5-8mm 25 parts of electric melting magnesium aluminum spinel, 3-5mm electric melting magnesium-aluminium point
15 parts of spar, 1-3mm 10 parts of electric melting magnesium aluminum spinel, 0-1mm 10 parts of electric melting magnesium aluminum spinel, and electric smelting iron aluminium point are brilliant
It is brilliant that stone includes 5-8mm 20 parts of fused hercynite, 3-5mm 15 parts of fused hercynite, 1-3mm electric smelting iron aluminium point
10 parts of the fused hercynite of 5 parts of stone, 0-1mm.
Preferably, the castable each component parts by weight are：20 parts of white fused alumina, 18 parts of mullite M45, electric-melting magnesium
15 parts of aluminate, 10 parts of fused hercynite, 3 parts of zirconium carbonate, 3 parts of carborundum, 2 parts of silicon powder, alumina powder 2
Part, 0.1 part of sodium tripolyphosphate, wherein electric melting magnesium aluminum spinel include 5-8mm 15 parts of electric melting magnesium aluminum spinel, 3-5mm electricity
Molten 5 parts of magnesium aluminate spinel, 1-3mm 5 parts of electric melting magnesium aluminum spinel, 0-1mm 5 parts of electric melting magnesium aluminum spinel, and electric smelting iron
Aluminate includes 5-8mm 10 parts of fused hercynite, 3-5mm 5 parts of fused hercynite, 1-3mm electric smelting iron
5 parts of the fused hercynite of 5 parts of aluminate, 0-1mm.
Preferably, the castable each component parts by weight are：30 parts of white fused alumina, 20 parts of mullite M45, electric melting magnesium-aluminium
30 parts of spinelle, 20 parts of fused hercynite, 4 parts of zirconium carbonate, 4 parts of carborundum, 2.5 parts of silicon powder, 6 parts of alumina powder,
0.4 part of sodium tripolyphosphate, wherein electric melting magnesium aluminum spinel include 5-8mm 20 parts of electric melting magnesium aluminum spinel, 3-5mm electric-melting magnesium
20 parts of aluminate, 1-3mm 15 parts of electric melting magnesium aluminum spinel, 0-1mm 15 parts of electric melting magnesium aluminum spinel, and electric smelting iron aluminium
Spinelle includes 5-8mm 10 parts of fused hercynite, 3-5mm 5 parts of fused hercynite, 1-3mm electric smelting iron aluminium
5 parts of the fused hercynite of 10 parts of spinelle, 0-1mm.
Preferably, the particle diameter of the zirconium carbonate is between 0-1mm.Addition zirconium carbonate can decompose under high-temperature situation
Go out carbon dioxide and produce micropore, and the zirconium oxide generated after decomposing can improve the thermal shock resistance of product.
Preferably, the particle diameter of the carborundum is between 0-1mm.Carborundum is to use quartz sand, petroleum coke or coal
The raw materials such as Jiao, wood chip are formed by resistance furnace pyrolytic semlting.There is also rare mineral, Mo Sangshi in the Nature for carborundum.
In the non-oxidized substance high-tech refractory raw material such as contemporary C, N, B, carborundum is most widely used, most economical one kind, is properly termed as
Corundum or fire sand.Carborundum stable chemical performance, thermal conductivity factor are high, thermal coefficient of expansion is small, anti-wear performance is good, except making abrasive material
With outer, also a lot of other purposes, such as silicon carbide powder is coated in turbine impeller or cylinder block with special process
Wall, its wearability can be improved and increased the service life 1-2 times;To manufactured high grade refractory, resistance to thermal shock, small volume, again
Amount is light and intensity is high, good energy-conserving effect.Low grade carborundum is fabulous deoxidier, can be accelerated to make steel speed with it, and be easy to
Chemical composition is controlled, improves the quality of steel.In addition, carborundum is also largely used to make electric heating element Elema.
Preferably, the silicon powder and the alumina powder particle can pass through 200 mesh sieves.Silicon powder outward appearance is
Grey or pale powder, refractoriness>1600℃.Silicon powder can significantly improve resistance to compression, anti-folding, impervious, anti-corrosion, shock resistance and
Anti-wear performance;There is water conservation, prevent isolation, bleeding, concrete pumping resistance is greatly reduced;Significantly extend concrete uses the longevity
Life, particularly under the adverse circumstances such as villiaumite system erosion, sulfate attack, high humility, can double the durability of concrete
Even several times;Jetting cement and the landing ash of castable is greatly lowered, improves single jetting thickness;Be High Strength Concrete it is necessary into
Part;The effect of with about 5 times of cement, in ordinary concrete and Low Cement Castable application can reduce cost improve durability;Effectively
Prevent concrete alkali-aggregate reaction;Improve the compactness of casting type refractory material.Alumina powder can make encapsulant and filling
Material.Reinforcing reinforcing fiber can also be made, alumina short fibre has prominent resistance to elevated temperatures, adiabatic because its density is small
Property is good, thermal capacity is small, can not only mitigate body of heater quality, and can improve temperature-controlled precision, and energy-saving effect is notable.
Preferably, the castable contains Al2O3Content be more than total chemical composition 40%.Aluminum oxide has the resistance to of protrusion
High-temperature behavior, because its density is small, thermal insulation is good, thermal capacity is small, can not only mitigate body of heater quality, and can improve temperature control
Precision, energy-saving effect are notable.
Preferably, the castable contains SiC and SiO2Content be more than total chemical composition 55%.SiC and SiO2Can be with
Significantly improve resistance to compression, anti-folding, impervious, anti-corrosion, shock resistance and anti-wear performance;With water conservation, prevent isolation, bleeding, be greatly reduced
The effect of concrete pumping resistance;Significantly extend the service life of concrete, particularly in villiaumite system erosion, sulfate attack, high humility
Etc. under adverse circumstances, the durability of concrete can be made to double even several times.
Bauxite base sintering magnesium aluminate spinel uses the high-quality alumina and content of magnesia of alundum (Al2O3) content more than 76%
More than 95% high-quality light-burning magnesium powder, by multistage homogenizing process, in ultra-high-temperature tunnel kiln through 1800 DEG C of high temperature above sintering and
Into bulk density is big, and mineral facies content is high, and grain development is good, even structure, steady quality.Magnesium aluminate spinel has good
Anti-erosion, burn into peel-ability is strong, and slag resistance is good, abrasion resistance, good thermal shock stability, the performance characteristics such as high temperature resistant.
It is the desirable feedstock for producing the refractory products such as cement rotary kiln height temperate zone Mg-Al spinel brick, ladle brick, pouring materialfor steel ladle.
Magnesium aluminate spinel is widely used in refractory material, smelting iron and steel, on cement rotary kiln and glass industry kiln.
Hercynite is the high-quality electric smelting sections aluminate synthesized using aluminum oxide and iron containing compoundses, and environmental protection is without dirt
Dye.With excellent thermal shock resistance, alkali resistance scouring ability.
Preferably, the castable each component parts by weight are：50 parts of white fused alumina, 30 parts of mullite M45, electric melting magnesium-aluminium
40 parts of spinelle, 30 parts of fused hercynite, 5 parts of zirconium carbonate, 5 parts of carborundum, 3 parts of silicon powder, 8 parts of alumina powder, three
1 part of polyphosphate sodium, wherein electric melting magnesium aluminum spinel include 5-8mm 25 parts of electric melting magnesium aluminum spinel, 3-5mm electric melting magnesium-aluminium point
15 parts of spar, 1-3mm 10 parts of electric melting magnesium aluminum spinel, 0-1mm 10 parts of electric melting magnesium aluminum spinel, and electric smelting iron aluminium point are brilliant
It is brilliant that stone includes 5-8mm 20 parts of fused hercynite, 3-5mm 15 parts of fused hercynite, 1-3mm electric smelting iron aluminium point
10 parts of the fused hercynite of 5 parts of stone, 0-1mm.
Preferably, the castable each component parts by weight are：20 parts of white fused alumina, 18 parts of mullite M45, electric melting magnesium-aluminium
15 parts of spinelle, 10 parts of fused hercynite, 3 parts of zirconium carbonate, 3 parts of carborundum, 2 parts of silicon powder, 2 parts of alumina powder,
0.1 part of sodium tripolyphosphate, wherein electric melting magnesium aluminum spinel include 5-8mm 15 parts of electric melting magnesium aluminum spinel, 3-5mm electric-melting magnesium
5 parts of aluminate, 1-3mm 5 parts of electric melting magnesium aluminum spinel, 0-1mm 5 parts of electric melting magnesium aluminum spinel, and electric smelting iron aluminium point
Spar includes 5-8mm 10 parts of fused hercynite, 3-5mm 5 parts of fused hercynite, 1-3mm electric smelting iron aluminium point
5 parts of the fused hercynite of 5 parts of spar, 0-1mm.
Preferably, the castable each component parts by weight are：30 parts of white fused alumina, 20 parts of mullite M45, electric melting magnesium-aluminium
30 parts of spinelle, 20 parts of fused hercynite, 4 parts of zirconium carbonate, 4 parts of carborundum, 2.5 parts of silicon powder, 6 parts of alumina powder,
0.4 part of sodium tripolyphosphate, wherein electric melting magnesium aluminum spinel include 5-8mm 20 parts of electric melting magnesium aluminum spinel, 3-5mm electric-melting magnesium
20 parts of aluminate, 1-3mm 15 parts of electric melting magnesium aluminum spinel, 0-1mm 15 parts of electric melting magnesium aluminum spinel, and electric smelting iron aluminium
Spinelle includes 5-8mm 10 parts of fused hercynite, 3-5mm 5 parts of fused hercynite, 1-3mm electric smelting iron aluminium
5 parts of the fused hercynite of 10 parts of spinelle, 0-1mm
Preferably, the particle diameter of the zirconium carbonate is between 0-1mm.Addition zirconium carbonate can decompose under high-temperature situation
Go out carbon dioxide and produce micropore, and the zirconium oxide generated after decomposing can improve the thermal shock resistance of product.
Preferably, the particle diameter of the carborundum is between 0-1mm.Carborundum is to use quartz sand, petroleum coke or coal
The raw materials such as Jiao, wood chip are formed by resistance furnace pyrolytic semlting.There is also rare mineral, Mo Sangshi in the Nature for carborundum.
In the non-oxidized substance high-tech refractory raw material such as contemporary C, N, B, carborundum is most widely used, most economical one kind, is properly termed as
Corundum or fire sand.Carborundum stable chemical performance, thermal conductivity factor are high, thermal coefficient of expansion is small, anti-wear performance is good, except making abrasive material
With outer, also a lot of other purposes, such as silicon carbide powder is coated in turbine impeller or cylinder block with special process
Wall, its wearability can be improved and increased the service life 1 ~ 2 times;To manufactured high grade refractory, resistance to thermal shock, small volume, again
Amount is light and intensity is high, good energy-conserving effect.Low grade carborundum is fabulous deoxidier, can be accelerated to make steel speed with it, and be easy to
Chemical composition is controlled, improves the quality of steel.In addition, carborundum is also largely used to make electric heating element Elema.
Preferably, the silicon powder and the alumina powder particle can pass through 200 mesh sieves.Silicon powder outward appearance is
Grey or pale powder, refractoriness>1600℃.Silicon powder can significantly improve resistance to compression, anti-folding, impervious, anti-corrosion, shock resistance and
Anti-wear performance;There is water conservation, prevent isolation, bleeding, concrete pumping resistance is greatly reduced;Significantly extend concrete uses the longevity
Life, particularly under the adverse circumstances such as villiaumite system erosion, sulfate attack, high humility, can double the durability of concrete
Even several times;Jetting cement and the landing ash of castable is greatly lowered, improves single jetting thickness;Be High Strength Concrete it is necessary into
Part;The effect of with about 5 times of cement, in ordinary concrete and Low Cement Castable application can reduce cost improve durability;Effectively
Prevent concrete alkali-aggregate reaction;Improve the compactness of casting type refractory material.Alumina powder can make encapsulant and filling
Material.Reinforcing reinforcing fiber can also be made, alumina short fibre has prominent resistance to elevated temperatures, adiabatic because its density is small
Property is good, thermal capacity is small, can not only mitigate body of heater quality, and can improve temperature-controlled precision, and energy-saving effect is notable.
Preferably, the castable contains Al2O3Content be more than total chemical composition 40%.Aluminum oxide has the resistance to of protrusion
High-temperature behavior, because its density is small, thermal insulation is good, thermal capacity is small, can not only mitigate body of heater quality, and can improve temperature control
Precision, energy-saving effect are notable.
Preferably, the castable contains SiC and SiO2Content be more than total chemical composition 55%.SiC and SiO2Can be with
Significantly improve resistance to compression, anti-folding, impervious, anti-corrosion, shock resistance and anti-wear performance;With water conservation, prevent isolation, bleeding, be greatly reduced
The effect of concrete pumping resistance;Significantly extend the service life of concrete, particularly in villiaumite system erosion, sulfate attack, high humility
Etc. under adverse circumstances, the durability of concrete can be made to double even several times.
In summary, the invention has the advantages that：
1. castable is original using function admirable so that triple air hose of cement kiln has preferable high temperature resistant, alkaline-resisting, resists
The characteristics such as thermal shock.
2. castable is by suitable grain composition, and adds additive, the solidification for solving castable appearance
It hurry up, the problem of mobility is bad, obtain the good workability of castable.
3. the working condition of cement kiln privileged sites, by studying the damage mechanism of tertiary-air pipe part material, develop and
Into a kind of wear-resisting anti-erosion castable that combines of high-performance chemical, by high intensity aggregate, Mineral admixture, and additional
Agent, it is formulated through industrialized production.This product feature has high explosion-proof performance, and product can progressively occur in use
Chemical reaction, being formed has wearability height, the good and high-time feature of acid resistance.The castable convenient and quick construction, it is existing
Field stirring can be used, and by manually pouring into a mould, simple conserve can reach requirement, and its average life was up to more than 2 years.
4. bulk density（g/cm3）:110℃×24h≥2.2；2nd, strength at normal temperature（MPa）:110℃×24h≥5,
1100℃×3h≥7;3rd, cold crushing strength（MPa）:110℃×24h≥35；1100℃×3h≥40；4th, normal temperature wears
Amount（cm3）≤3.5；5th, thermal shock resistance（It is secondary）≥30（1100 DEG C, air is cold）.
Embodiment
Embodiment one
Castable each component parts by weight are：50 parts of white fused alumina, 30 parts of mullite M45,40 parts of electric melting magnesium aluminum spinel, electricity
30 parts of molten iron aluminate, 5 parts of zirconium carbonate, 5 parts of carborundum, 3 parts of silicon powder, 8 parts of alumina powder, 1 part of sodium tripolyphosphate；
Additional 6 parts of bonding agent；Additional bonding agent is that concentration 50wt% phosphoric acid, concentration 40wt% phosphate dihydrogen aluminum solution are pressed
According to mass ratio 1:3 combine；
White fused alumina be by granularity be 5mm white fused alumina and 6mm white fused alumina according to mass ratio 1:5 mix.
The particle diameter of zirconium carbonate is between 0-1mm.The particle diameter of carborundum is between 0-1mm.Silicon powder and described
Alumina powder particle can pass through 200 mesh sieves.Castable contains Al2O3Content be more than total chemical composition 40%.Castable
Containing SiC and SiO2Content be more than total chemical composition 55%.
Wherein electric melting magnesium aluminum spinel includes 5-8mm 25 parts of electric melting magnesium aluminum spinel, 3-5mm electric melting magnesium aluminum spinel
15 parts, 1-3mm 10 parts of electric melting magnesium aluminum spinel, 0-1mm 10 parts of electric melting magnesium aluminum spinel, and fused hercynite bag
Include 5-8mm 20 parts of fused hercynite, 3-5mm 15 parts of fused hercynite, 1-3mm fused hercynite 5
Part, 0-1mm 10 parts of fused hercynite.
Embodiment two
Castable each component parts by weight are：20 parts of white fused alumina, 18 parts of mullite M45,15 parts of electric melting magnesium aluminum spinel,
10 parts of fused hercynite, 3 parts of zirconium carbonate, 3 parts of carborundum, 2 parts of silicon powder, 2 parts of alumina powder, sodium tripolyphosphate 0.1
Part；
Additional 5 parts of bonding agent；Additional bonding agent is that concentration 30wt% phosphoric acid, concentration 35wt% phosphate dihydrogen aluminum solution are pressed
According to mass ratio 1:2 combine；
White fused alumina be by granularity be 3mm white fused alumina and 8mm white fused alumina according to mass ratio 1:4 mix.
The particle diameter of zirconium carbonate is between 0-1mm.The particle diameter of carborundum is between 0-1mm.Silicon powder and described
Alumina powder particle can pass through 200 mesh sieves.Castable contains Al2O3Content be more than total chemical composition 40%.Castable
Containing SiC and SiO2Content be more than total chemical composition 55%.
Wherein electric melting magnesium aluminum spinel includes 5-8mm 15 parts of electric melting magnesium aluminum spinel, 3-5mm electric melting magnesium aluminum spinel
5 parts, 1-3mm 5 parts of electric melting magnesium aluminum spinel, 0-1mm 5 parts of electric melting magnesium aluminum spinel, and fused hercynite include
5-8mm 10 parts of fused hercynite, 3-5mm 5 parts of fused hercynite, 1-3mm 5 parts of fused hercynite,
5 parts of 0-1mm fused hercynite.
Embodiment three
Castable each component parts by weight are：30 parts of white fused alumina, 20 parts of mullite M45,30 parts of electric melting magnesium aluminum spinel,
20 parts of fused hercynite, 4 parts of zirconium carbonate, 4 parts of carborundum, 2.5 parts of silicon powder, 6 parts of alumina powder, sodium tripolyphosphate
0.4 part；
Additional 10 parts of bonding agent；Additional bonding agent is concentration 60wt% phosphoric acid, concentration 45wt% phosphate dihydrogen aluminum solution
According to mass ratio 1:2 combine；
White fused alumina be by granularity be 1mm white fused alumina and 10mm white fused alumina according to mass ratio 1:3 mix.
The particle diameter of zirconium carbonate is between 0-1mm.The particle diameter of carborundum is between 0-1mm.Silicon powder and described
Alumina powder particle can pass through 200 mesh sieves.Castable contains Al2O3Content be more than total chemical composition 40%.Castable
Containing SiC and SiO2Content be more than total chemical composition 55%.
Wherein electric melting magnesium aluminum spinel includes 5-8mm 20 parts of electric melting magnesium aluminum spinel, 3-5mm electric melting magnesium aluminum spinel
20 parts, 1-3mm 15 parts of electric melting magnesium aluminum spinel, 0-1mm 15 parts of electric melting magnesium aluminum spinel, and fused hercynite bag
Include 5-8mm 10 parts of fused hercynite, 3-5mm 5 parts of fused hercynite, 1-3mm fused hercynite 10
Part, 0-1mm 5 parts of fused hercynite.
After testing, the performance parameter of the tertiary-air pipe prepared using the castable of embodiment one-three is as follows：
1st, bulk density（g/cm3）:110℃×24h≥2.2；
2nd, strength at normal temperature（MPa）:110℃×24h≥5,1100℃×3h≥7;
3rd, cold crushing strength（MPa）:110℃×24h≥35；1100℃×3h≥40；
4th, normal temperature wear extent（cm3）≤3.5；
5th, thermal shock resistance（It is secondary）≥30（1100 DEG C, air is cold）.
Comparative example 1
Castable includes following component raw material and parts by weight：100 parts of electric melting magnesium aluminum spinel, fused hercynite 80
Part, 2 parts of zirconium carbonate, 2 parts of carborundum, 4 parts of silicon powder, 10 parts of alumina powder.
Electric melting magnesium aluminum spinel includes following granular-grade and parts by weight：5-8mm, 50 parts, 3-5mm, 50 parts.
Fused hercynite includes following granular-grade and parts by weight：5-8mm, 40 parts, 1-3mm, 20 parts, 0-1mm, 20
Part.
Comparative example 2
Castable includes following component raw material and parts by weight：20 parts of fused hercynite, 8 parts of carborundum, silicon powder 8
Part, 1 part of alumina powder, 14 parts of sodium tripolyphosphate.
Fused hercynite includes following granular-grade and parts by weight：1-3mm, 10 parts, 0-1mm, 10 parts.
Comparative example 3
With embodiment 1, the difference is that not containing additional bonding agent.
After testing, comparative example 1-3 poor fluidity, and ftractureed during airduct use, obscission, anti-thermal shock,
Wear-resisting and acid resistance effect is poor.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (1)
1. a kind of wear-resisting anti-erosion castable of triple air hose of cement kiln, it is characterised in that it includes following component raw material and weight
Part：
White fused alumina 20-50 parts
Mullite M45 18-30 parts
Electric melting magnesium aluminum spinel 15-40 parts
Fused hercynite 10-30 parts
Zirconium carbonate 3-5 parts
Carborundum 3-5 parts
Silicon powder 2-3 parts
Alumina powder 2-8 parts
Sodium tripolyphosphate 0.1-1 parts
Additional bonding agent 5-10 parts
Wherein described electric melting magnesium aluminum spinel includes 5-8mm brilliant particle 15-25 parts of electric melting magnesium-aluminium point, 3-5mm electric melting magnesium-aluminium
The brilliant particle 5-20 parts of point, 1-3mm brilliant particle 5-15 parts of electric melting magnesium-aluminium point, 0-1mm brilliant particle 5-15 parts of electric melting magnesium-aluminium point；
The additional bonding agent is concentration 30-60wt% phosphoric acid, concentration 35-45wt% phosphate dihydrogen aluminum solution according to mass ratio
1:2-4 is combined；
The particle diameter of the zirconium carbonate and the carborundum is between 0-1mm；
The silicon powder and the alumina powder particle can pass through 200 mesh sieves；
The castable contains Al2O3Content be more than total chemical composition 40%；
The castable contains SiC and SiO2Content be more than total chemical composition 55%；
The fused hercynite includes 5-8mm fused hercynite particle 10-20 parts, 3-5mm electric smelting iron aluminium point
Spar particle 5-15 parts, 1-3mm fused hercynite particle 5-10 parts, 0-1mm fused hercynite particle 5-10
Part；
The white fused alumina be by granularity be 1-5mm white fused alumina and 6-10mm white fused alumina according to mass ratio 1:3-5 is mixed；
The tertiary-air pipe performance of preparation is：Bulk density（g/cm3）:110℃×24h≥2.2；2nd, strength at normal temperature（MPa）:
110℃×24h≥5,1100℃×3h≥7;3rd, cold crushing strength（MPa）:110℃×24h≥35；1100℃×3h≥
40；4th, normal temperature wear extent（cm3）≤3.5；5th, thermal shock resistance（It is secondary）≥30（1100 DEG C, air is cold）.
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| CN106747525A (en) * | 2017-02-17 | 2017-05-31 | 北京兰海金诚耐火材料有限责任公司 | A kind of kilneye high-performance composite refractory |
| CN106830958B (en) * | 2017-03-21 | 2020-04-17 | 北京兰海金诚耐火材料有限责任公司 | Low-aluminum low-heat-conduction alkali-resistant castable |
| CN113200742A (en) * | 2021-05-07 | 2021-08-03 | 湖北第二师范学院 | Heat-insulating composite wear-resistant brick |
| CN114538904B (en) * | 2022-01-12 | 2023-05-05 | 安徽瑞泰新材料科技有限公司 | Refractory castable for large blast furnace pouring channel |
| CN114560710B (en) * | 2022-02-25 | 2022-12-13 | 浙江锦诚新材料股份有限公司 | Ceramic-bonded hercynite kiln mouth castable and preparation method thereof |
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| 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 |
| CN104108941B (en) * | 2014-05-09 | 2016-03-09 | 长兴三重窑炉科技有限公司 | A kind of coal injection pipe preformed bricks mould material |
| CN104557077A (en) * | 2014-12-05 | 2015-04-29 | 瑞泰科技股份有限公司 | Modified high-alumina brick for cold ends of calcining zone and transitional zone of cement kiln and method for preparing high-alumina brick |
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Denomination of invention: A wear-resistant and corrosion-resistant casting material for the tertiary air duct of cement kiln Effective date of registration: 20231008 Granted publication date: 20180105 Pledgee: Industrial Commercial Bank of China Ltd. Changxin branch Pledgor: CHANGXING XING YING BUILDING MATERIAL Co.,Ltd. OF NEW FIRE RESISTANT Registration number: Y2023980060018 |
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