CN105130450B - A kind of anticorrosive fire resisting zircon corundum brick - Google Patents
A kind of anticorrosive fire resisting zircon corundum brick Download PDFInfo
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- CN105130450B CN105130450B CN201510370626.6A CN201510370626A CN105130450B CN 105130450 B CN105130450 B CN 105130450B CN 201510370626 A CN201510370626 A CN 201510370626A CN 105130450 B CN105130450 B CN 105130450B
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- 239000011449 brick Substances 0.000 title claims abstract description 59
- 229910052593 corundum Inorganic materials 0.000 title claims abstract description 52
- 239000010431 corundum Substances 0.000 title claims abstract description 52
- 229910052845 zircon Inorganic materials 0.000 title claims abstract description 43
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000002245 particle Substances 0.000 claims abstract description 149
- 239000000843 powder Substances 0.000 claims abstract description 43
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000004575 stone Substances 0.000 claims abstract description 19
- 229910052849 andalusite Inorganic materials 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 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 15
- 239000011435 rock Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 11
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 10
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000013312 flour Nutrition 0.000 claims abstract description 10
- 230000035939 shock Effects 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 238000005096 rolling process Methods 0.000 claims description 33
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 18
- 239000007767 bonding agent Substances 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 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 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 21
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000009970 fire resistant effect Effects 0.000 description 7
- 239000010443 kyanite Substances 0.000 description 7
- 229910052850 kyanite Inorganic materials 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 241000723353 Chrysanthemum Species 0.000 description 2
- 235000007516 Chrysanthemum Nutrition 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 241000923606 Schistes Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- CZCSLHYZEQSUNV-UHFFFAOYSA-N [Na].OB(O)O Chemical compound [Na].OB(O)O CZCSLHYZEQSUNV-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000004578 natural building material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052854 staurolite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Abstract
The invention discloses a kind of production method of new anticorrosive fire resisting zircon corundum brick：It is prepared by raw material：A particles：Granularity is 2~4mm casting zirconia corundum particle；B particles：Granularity is 1~2 mm chrome oxide particle；C particles：Granularity is 2~3 mm white fused alumina fine powder；D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；E particles：Granularity is 0.2~0.3mm aquamaine stone flour；F particles：Granularity is 1~3mm volcanic rock powder；G particles：Granularity is 2~4mm andalusite powder；Dispensing brick body is molded, and is then dried and is burnt till, obtains anticorrosive fire resisting zircon corundum brick.The anticorrosive fire resisting zircon corundum brick that the present invention is prepared has surprising resistance to compression and decay resistance, and thermal shock resistance is good.
Description
Technical field
The invention belongs to technical field of refractory materials, and in particular to a kind of zircon corundum brick of fire resisting and preparation method thereof.
Background technology
Zircon corundum brick be with pure alumina powder with containing zirconium oxide 65%, silica 34% or so zircon sand in electric smelting
White solid after melting in stove in injection model formed by cooling, its lithofacies structure by corundum and the oblique stone of zirconium eutectoid and
The eutectoid for being corundum phase and the oblique stone phase of zirconium is said in glass phase composition, slave phase, glass is mutually filled between their crystallization.
Selected zircon sand and industrial alumina powder are pressed 1 by founding brick manufacturing process:1 coordinates, additional a small amount of Na2O (with
The form of sodium carbonate is added), B20:(being added in the form of boric acid or borax) flux, is well mixed, through 1800 ~ 1900 DEG C of fusings
Cast molding afterwards, can be made the molten-cast brick containing Zr02 about 33%.On this basis, raw material is made using part desiliconization zircon sand, can
It is made containing the molten-cast brick that ZrO2 is 36% ~ 41%.Gaogangyuzhuan zircon corundum bricks (zirconia~corundum
Refractory brick) industrial alumina powder and selected zircon sand are utilized for raw material, the ZrO2 contents being made are 33% ~ 45%
Refractory product.Zircon corundum brick is mainly used in glass industry tank furnace.
Fused cast zirconia-alumina brick is used for small furnace sidewall, crown of burner, port ramp, regenerator wall and the alkali-free glass of horseshoe flame furnace
The positions such as the flue of glass fiber tank furnace.Fire is changed in above-mentioned position in the presence of alternating in use, it is desirable to which brick has good heat resistanceheat resistant
Impact property, can sustain the impact of moment a large amount of high speed cold airs；It is simultaneously subjected to alkali steam, SO2Invaded with Boratex etc.
Erosion.The brick structure is fine and close, apparent porosity as little as 2%, thus corrosion resistance is poor, it is impossible to bears port and alternately changes during fire
Thermal shock；Brick alkali resistant or Boratex steam performance are poor, and used in the position such as port of horseshoe flame furnace, effect is poor, there is service life short
Defect.
The present invention is intended to provide a kind of good pressure-resistant performance, the novel fire-resistant zircon corundum brick that corrosion resistance is protruded.
The content of the invention
The present invention is shorter for the zircon corundum brick life-span of the prior art, and there is provided a kind of new for the not good shortcoming of corrosion resistance
The anticorrosive fire resisting zircon corundum brick of type.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of production method of new anticorrosive fire resisting zircon corundum brick：
1st, prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
G particles：Granularity is 2~4mm andalusite powder；
2nd, dispensing brick body is molded
Count by weight, by 65 parts~76 parts particle A, 3 parts~8 parts particle B, 10 parts~16 parts particle C, 3 parts~8 parts
Particle D, 2 parts~3 parts particle E, 2 parts~3 parts particle F, 1 part~2 parts particle G mixes, are put into mixed rolling machine, add 5 parts
~8 parts of bonding agent, the bonding agent is phosphoric acid or aluminium dihydrogen phosphate, carries out mixed rolling, and it is 10min~15min to mix the rolling time, will
The mixed material rolled over is placed in forcing press of the pressure more than 200MPa and is molded, and bulk density >=3.2g/cm is made3Wet base；
3rd, dry and burn till
Dry wet base, dried base substrate be placed in nitrogen kiln, make firing atmosphere partial pressure of oxygen be located at 7~10Pa it
Between, it is ensured that gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1800~1900 DEG C, then 1200 DEG C of insulations
Burning till within 35~45 hours to obtain, and obtain anticorrosive fire resisting zircon corundum brick.
Kyanite is one of representative region metamorphic mineral, is formed more by argillaceous rocks is rotten.It will be formed at the rotten work of middle rank
With pressure it is higher under conditions of.It is present in：Regional metamorphism schist and gneiss and related crystal granite and quartzy vein；With stone
Garnet, staurolite, mica and quartzy symbiosis.The kyanite of natural output, often close to ideal composition.Kyanite high temperature lower body
Product expansion, when the temperature decreases, Volume Changes very little is the volume-expanding characteristics for having irreversibility conversion to produce；Stability：
The refractory material stability of kyanite production is higher than fireclay refractory 1.5 times；Refractoriness is high：General fireclay refractory
Refractoriness is 1670~1770 DEG C, and kyanite refractory material is typically larger than 1790 DEG C, also special with preferable resist chemical
Property.Due to the characteristic of kyanite mineral, therefore for manufacturing excellent high grade refractory, fireclay mortar, cement and the resistance to system of casting
Product, and plastics ramming compound, technical ceramics, the spark plug of automobile engine, insulator, ball mill sphere, tester,
Shatter-proof article etc., and available electrothermal way refining silico-aluminum, applied on aircraft, automobile, train, the part of ship.
Andalusite（Andalusite）It is a kind of aluminium silicate mineral, it is to manufacture the refractory material and porcelain in spark plug
Raw material.Andalusite has a mutation maranite.The cross structure of black can be showed in the section of maranite.This cross
Structure is andalusite have received some carbon and clay in formation caused by.This maranite is often made into the small decorations of people's wearing
Thing.Andalusite is typically in the form of a column crystal, and its section is almost square.The crystal of andalusite get together into it is radial or
It is granular.For into radial andalusite, people are commonly referred to as " chrysanthemum stone ", mean them as being opened the petal of chrysanthemum.It is red
Pillar is pink, red, bronzing, canescence and light green color, with glassy lustre.The good and transparent andalusite of some quality
Crystal is also taken as jewel.
Float stone（Volcanic rock）It is that magma is after hurried cooling in volcanic eruption, it is internal due to strongly reducing for pressure
Gas escapes rapidly a kind of glassy lava for having a porosity formed by expansion.Its pore volume accounts for the 50% of rock volume
More than.Because hole is more, light weight, can bubble through the water column be referred to as float stone.Its feature be intensity height, insulation, heat-insulated, sound-absorbing,
Fire prevention, acid and alkali-resistance, corrosion-resistant and pollution-free, "dead" etc., float stone is porous in addition and partition is sharp.Float stone is acid volcano
Rock hardness is 6, and density is less than lg/cm3, can float on the water surface；Insulation is good；It is porous and partition is sharp.Chemism
Height, adsorptivity is strong, has obvious hydraulic gelling property under the effect of hydraulicity exciting agent.
Float stone（Volcanic rock）It is a kind of natural building material of rare, cheap production Art Stone.Build now
The colony various of different style patterns is built to high laminar multi-model.It is required that external wall decorative material have high-strength light, energy-conservation,
Antidetonation, weathering, moisturizing, thermal insulation, sound-absorbing, it is nontoxic and inexpensive the characteristics of.
Fused cast zirconia-alumina brick brick alkali resistant or Boratex steam performance are poor, and used in the position such as port of horseshoe flame furnace, effect is poor,
There is the short defect of service life.Surprisingly, it was found that under specific material rate, improving the work of corrosion resistance
With.
The present invention is advantageous in that：
（1）The anticorrosive fire resisting zircon corundum brick preparation process of the present invention is simple, it is easy to industrialized production.
（2）The anticorrosive fire resisting zircon corundum brick that the present invention is prepared has surprising corrosion resistance, in boric acid
Sodium vapour persistently corrodes, under analog case, and the life-span is unchanged more than 2 months.
（3）Anticorrosive fire resisting zircon corundum brick resistance to compression produced by the present invention, thermal shock resistance is good.
Embodiment
Embodiment 1：
A kind of production method of new anticorrosive fire resisting zircon corundum brick：
1st, prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
G particles：Granularity is 2~4mm andalusite powder；
2nd, dispensing brick body is molded
Count by weight, by 65 parts of particle A, 8 parts of particle B, 10 parts of particle C, 8 parts of particle D, 2 parts of particle E, 3 parts of particles
F, 1 part of particle G mix, are put into mixed rolling machine, add 8 parts of bonding agent, and the bonding agent is phosphoric acid or aluminium dihydrogen phosphate,
Mixed rolling is carried out, it is 10min to mix the rolling time, the material of mixed rolling is placed in forcing press of the pressure more than 200MPa and is molded, body is made
Product density >=3.2g/cm3 wet base；
3rd, dry and burn till
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 10Pa,
Ensure gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1800 DEG C, then 1200 DEG C of insulations are burnt for 45 hours
Into that can obtain, anticorrosive fire resisting zircon corundum brick is obtained.
The cold crushing strength for the novel fire-resistant zircon corundum brick that the present embodiment is obtained is 180 MPa；In 1100 DEG C, water cooling
Under experimental condition, anti-thermal shock number is 30 times.
Embodiment 2：
A kind of production method of new anticorrosive fire resisting zircon corundum brick：
1st, prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
G particles：Granularity is 2~4mm andalusite powder；
2nd, dispensing brick body is molded
Count by weight, by 76 parts of particle A, 3 parts of particle B, 16 parts of particle C, 3 parts of particle D, 3 parts of particle E, 2 parts of particles
F, 2 parts of particle G mixes, are put into mixed rolling machine, add 5 parts of bonding agent, and the bonding agent is phosphoric acid or aluminium dihydrogen phosphate,
Mixed rolling is carried out, it is 15min to mix the rolling time, the material of mixed rolling is placed in forcing press of the pressure more than 200MPa and is molded, body is made
Product density >=3.2g/cm3 wet base；
3rd, dry and burn till
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 7Pa,
Ensure gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1900 DEG C, then 1200 DEG C of insulations are burnt for 35 hours
Into that can obtain, anticorrosive fire resisting zircon corundum brick is obtained.
The cold crushing strength for the novel fire-resistant zircon corundum brick that the present embodiment is obtained is 200 MPa；In 1100 DEG C, water cooling
Under experimental condition, anti-thermal shock number is 23 times.
Embodiment 3：
A kind of production method of new anticorrosive fire resisting zircon corundum brick：
1st, prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
G particles：Granularity is 2~4mm andalusite powder；
2nd, dispensing brick body is molded
Count by weight, by 70 parts of particle A, 5 parts of particle B, 13 parts of particle C, 7 parts of particle D, 2 parts of particle E, 3 parts of particles
F, 1 part of particle G mix, are put into mixed rolling machine, add 6 parts of bonding agent, and the bonding agent is phosphoric acid or aluminium dihydrogen phosphate,
Mixed rolling is carried out, it is 14min to mix the rolling time, the material of mixed rolling is placed in forcing press of the pressure more than 200MPa and is molded, body is made
Product density >=3.2g/cm3 wet base；
3rd, dry and burn till
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 9Pa,
Ensure gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1899 DEG C, then 1200 DEG C of insulations are burnt for 40 hours
Into that can obtain, anticorrosive fire resisting zircon corundum brick is obtained.
The cold crushing strength for the novel fire-resistant zircon corundum brick that the present embodiment is obtained is 190 MPa；In 1100 DEG C, water cooling
Under experimental condition, anti-thermal shock number is 29 times.
Embodiment 4：
A kind of production method of new anticorrosive fire resisting zircon corundum brick：
1st, prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
G particles：Granularity is 2~4mm andalusite powder；
2nd, dispensing brick body is molded
Count by weight, by 74 parts of particle A, 4 parts of particle B, 11 parts of particle C, 5 parts of particle D, 3 parts of particle E, 2 parts of particles
F, 2 parts of particle G mixes, are put into mixed rolling machine, add 7 parts of bonding agent, and the bonding agent is phosphoric acid or aluminium dihydrogen phosphate,
Mixed rolling is carried out, it is 11min to mix the rolling time, the material of mixed rolling is placed in forcing press of the pressure more than 200MPa and is molded, body is made
Product density >=3.2g/cm3 wet base；
3rd, dry and burn till
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 8Pa,
Ensure gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1801 DEG C, then 1200 DEG C of insulations are burnt for 44 hours
Into that can obtain, anticorrosive fire resisting zircon corundum brick is obtained.
The cold crushing strength for the novel fire-resistant zircon corundum brick that the present embodiment is obtained is 195 MPa；In 1100 DEG C, water cooling
Under experimental condition, anti-thermal shock number is 25 times.
Embodiment 5：
Comparative example 1：
1st, prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
2nd, dispensing brick body is molded
Count by weight, 69 parts of particle A, 6 parts of particle B, 15 parts of particle C, 4 parts of particle D, 2 parts of particle E are put into mixed rolling
In machine, 3 parts of particle F, bonding agents of 8 parts of addition, the bonding agent is phosphoric acid or aluminium dihydrogen phosphate, carries out mixed rolling, mixed rolling time
For 13min, the material of mixed rolling is placed in forcing press of the pressure more than 200MPa and is molded, is made bulk density >=3.2g/cm3's
Wet base；
3rd, dry and burn till
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 10Pa,
Ensure gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1835 DEG C, then 1200 DEG C of insulations are burnt for 39 hours
Into that can obtain, anticorrosive fire resisting zircon corundum brick is obtained.
The cold crushing strength for the novel fire-resistant zircon corundum brick that the present embodiment is obtained is 135 MPa；In 1100 DEG C, water cooling
Under experimental condition, thermal shock number is 12 times.
Embodiment 6：
Comparative example 2：
1st, prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
G particles：Granularity is 2~4mm andalusite powder；
2nd, dispensing brick body is molded
Count by weight, 71 parts of particle A, 7 parts of particle B, 12 parts of particle C, 6 parts of particle D, 3 parts of particle E are put into mixed rolling
In machine, 1 part of particle G adds 5 parts of bonding agent, and the bonding agent is phosphoric acid or aluminium dihydrogen phosphate, carry out it is mixed roll over, the mixed rolling time is
12min, the material of mixed rolling is placed in forcing press of the pressure more than 200MPa and is molded, the wet of bulk density >=3.2g/cm3 is made
Base；
3rd, dry and burn till
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 9Pa,
Ensure gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1850 DEG C, then 1200 DEG C of insulations are burnt for 44 hours
Into that can obtain, anticorrosive fire resisting zircon corundum brick is obtained.
The cold crushing strength for the novel fire-resistant zircon corundum brick that the present embodiment is obtained is 132 MPa；In 1100 DEG C, water cooling
Under experimental condition, thermal shock number is 15 times.
As can be seen here, kyanite, which is added, can improve the fire resistance of zircon corundum brick, add volcanic rock powder and andalusite powder meeting
Synergy is played, surprising resistance to compression effect is played, and corrosion resistance is also greatly enhanced, and this may is that influence
Crystalline structure.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (4)
1. a kind of production method of anticorrosive fire resisting zircon corundum brick, it is characterised in that step is as follows：
（1）It is prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
G particles：Granularity is 2~4mm andalusite powder；
（2）Dispensing brick body is molded：
Above-mentioned raw materials mix is put into mixed rolling machine, adds 5 parts~8 parts of bonding agent, the bonding agent is phosphoric acid or phosphorus
Acid dihydride aluminium, carries out mixed rolling, and it is 10min~15min to mix the rolling time, and the material of mixed rolling is placed in into the pressure that pressure is more than 200MPa
It is molded in machine, bulk density >=3.2g/cm is made3Wet base；
（3）Dry and burn till：
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 7~10Pa,
Ensure gas intake, nitrogen kiln is maintained at pressure-fired；30min is burnt till through 1800~1900 DEG C, then 1200 DEG C of insulations 35
Burning till within~45 hours to obtain, and obtain anticorrosive fire resisting zircon corundum brick；
Wherein, in the step (2)：Count by weight, by 65 parts~76 parts particle A, 3 parts~8 parts particle B, 10 parts~16
Part particle C, 3 parts~8 parts particle D, 2 parts~3 parts particle E, 2 parts~3 parts particle F, 1 part~2 parts particle G mixes.
2. the production method described in claim 1, it is characterised in that its step is as follows：
（1）It is prepared by raw material：
A particles：Granularity is 2~4mm casting zirconia corundum particle；
B particles：Granularity is 1~2 mm chrome oxide particle；
C particles：Granularity is 2~3 mm white fused alumina fine powder；
D particles：Granularity is 0.05~0.08mm chromium oxide fine powder；
E particles：Granularity is 0.2~0.3mm aquamaine stone flour；
F particles：Granularity is 1~3mm volcanic rock powder；
G particles：Granularity is 2~4mm andalusite powder；
（2）Dispensing brick body is molded
Count by weight, by 76 parts of particle A, 3 parts of particle B, 16 parts of particle C, 3 parts of particle D, 3 parts of particle E, 2 parts of particle F, 2
Part particle G mixes, are put into mixed rolling machine, add 5 parts of bonding agent, and the bonding agent is phosphoric acid or aluminium dihydrogen phosphate, is entered
Row is mixed to be rolled over, and it is 15min to mix the rolling time, and the material of mixed rolling is placed in forcing press of the pressure more than 200MPa and is molded, volume is made
Density >=3.2g/cm3Wet base；
（3）Dry and burn till
Wet base is dried, dried base substrate is placed in nitrogen kiln, the partial pressure of oxygen of firing atmosphere is located between 7Pa, it is ensured that
Gas intake, makes nitrogen kiln be maintained at pressure-fired；30min is burnt till through 1900 DEG C, then 1200 DEG C of insulations are burnt till i.e. for 35 hours
It can obtain, obtain anticorrosive fire resisting zircon corundum brick.
3. the anticorrosive fire resisting zircon corundum brick that the production method production described in claim 1 is obtained.
4. the anticorrosive fire resisting zircon corundum brick that the production method production described in claim 2 is obtained, its cold crushing strength is 200
MPa；Under 1100 DEG C, water cooling experimental condition, anti-thermal shock number is 23 times.
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| CN110511004A (en) * | 2019-09-04 | 2019-11-29 | 郑州瑞泰耐火科技有限公司 | A kind of zinc tailings processing extraordinary chrome corundum brick and preparation method thereof |
| CN113248241B (en) * | 2021-03-29 | 2022-04-08 | 宜兴市海科窑炉工程有限公司 | Abrasion-resistant and erosion-resistant zirconia corundum composite brick and production process thereof |
| CN113979760B (en) * | 2021-11-16 | 2022-11-15 | 宜兴市海科耐火材料制品有限公司 | Preparation method of high-thermal-shock chromium corundum brick for hazardous waste gas melting furnace |
| CN116102343B (en) * | 2023-02-09 | 2023-11-17 | 宜兴市金其节能科技有限公司 | Acid-resistant and salt-resistant modified corundum brick for rotary kiln of hazardous waste incineration system and preparation method |
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| CN101618968A (en) * | 2009-08-11 | 2010-01-06 | 郑州东方炉衬材料有限公司 | Ultra-microporous lightweight insulated firebrick and manufacture method thereof |
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| CN104446564A (en) * | 2014-12-15 | 2015-03-25 | 中钢集团洛阳耐火材料研究院有限公司 | Preparation method of zircon corundum brick containing chromic oxide |
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Patent Citations (4)
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| CN101618968A (en) * | 2009-08-11 | 2010-01-06 | 郑州东方炉衬材料有限公司 | Ultra-microporous lightweight insulated firebrick and manufacture method thereof |
| CN102898160A (en) * | 2012-10-18 | 2013-01-30 | 锦州英明耐火材料有限公司 | Preparation method for regenerated chromium and zirconium corundum brick |
| CN103496992A (en) * | 2013-09-22 | 2014-01-08 | 郑州亨瑞达新材料有限公司 | Chromium zirconium mullite refractory material and preparation method thereof |
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