CN105384437B - A kind of preparation method of zircite product - Google Patents
A kind of preparation method of zircite product Download PDFInfo
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- CN105384437B CN105384437B CN201510791392.2A CN201510791392A CN105384437B CN 105384437 B CN105384437 B CN 105384437B CN 201510791392 A CN201510791392 A CN 201510791392A CN 105384437 B CN105384437 B CN 105384437B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 8
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims abstract description 8
- 239000004571 lime Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 9
- 229910052595 hematite Inorganic materials 0.000 abstract description 5
- 239000011019 hematite Substances 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000010427 ball clay Substances 0.000 abstract 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 6
- 229910001928 zirconium oxide Inorganic materials 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/6265—Thermal treatment of powders or mixtures thereof other than sintering involving reduction or oxidation
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/6268—Thermal treatment of powders or mixtures thereof other than sintering characterised by the applied pressure or type of atmosphere, e.g. in vacuum, hydrogen or a specific oxygen pressure
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62685—Treating the starting powders individually or as mixtures characterised by the order of addition of constituents or additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Composite Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention relates to a kind of preparation method of zircite product, belong to technical field of polymer materials.The present invention is first by electric-melting zirconia particle, the material mixings such as hematite powder are placed in a closed container, and the mixed gas of containment vessel volume 1/2 is passed through to it, then the magnesium ribbon lighted is placed in closed container, and add after lime powder stirring, acetylene then is slowly introducing to it, after gas is passed through end, insulation, then it is naturally cooled to room temperature；The mixture that room temperature will be cooled in closed container takes out, and ball clays into power, then by its with after PDA glue mixings, drying.Beneficial effects of the present invention：Zircite product thermal coefficient of expansion produced by the present invention reduces 5~7% so that product will not produce peeling because of coefficient of thermal expansion height using process, squeeze off crowded broken phenomenon, it is ensured that the quality of product.
Description
Technical field
The present invention relates to a kind of preparation method of zircite product, belong to technical field of polymer materials.
Background technology
Zirconium oxide high specific surface area, with very high fusing point, high-purity compact zircite product has temperature in use high, resistance to
Melt liquid erosion, antiscour, it is not easy precipitation, good chemical stability, is a kind of widely used high-performance refractory
Product.ZrO2Fusing point is up to 2690 DEG C, is a kind of high grade refractory, high with fire resistance, and chemical stability is good, in oxygen
Stable particular advantages under change, reduction and vacuum state.
For a long time, the oxidation for 2000 DEG C or higher of vitreous silica smelting furnace and superhard alloy intermediate frequency furnace
Zirconium product, generally using 4.4~4.7wt% of stabilizer CaO content complete stable ZrO2To produce.Produce in this way
Zircite product has the disadvantage that：Coefficient of thermal expansion is big, and thermal coefficient of expansion is high, with partially stabilized ZrO2Compare, thermal coefficient of expansion
Almost partially stabilized ZrO2Twice, the complete stable ZrO at 1500 DEG C2Thermal coefficient of expansion is 11 × 10-6/ DEG C or higher.This
Planting product is used for vitreous silica smelting furnace, often because coefficient of thermal expansion is excessive, and thermal shock resistance is poor and is squeezed off crowded broken or flake-off piece,
Severe contamination vitreous silica, so as to cause product rejection.ZrO2Fusing point is very high, and (such as 1800 DEG C) are difficult to burn at a lower temperature
Knot.
The content of the invention
Present invention mainly solves technical problem：For using calcium oxide as stabilizer, the zirconium oxide system being made under high temperature
Product coefficient of thermal expansion is big, and thermal coefficient of expansion is high, causes its thermal shock resistance difference and is squeezed off crowded broken or flake-off piece, and is aoxidized under low temperature
The problem of zirconium is difficult sintering again is mainly put there is provided a kind of preparation method of zircite product, the present invention by thermit reaction
Go out substantial amounts of heat, while being passed through for acetylene can also improve temperature there is provided a kind of hot environment while the magnesia generated, nitridation
The thermal coefficient of expansion when materials such as magnesium and the lime powder of addition solve the problems, such as that calcium oxide is used alone as stabilizer.
Zircite product thermal coefficient of expansion produced by the present invention reduces 5~7% so that product will not be because of coefficient of thermal expansion in the process of use
It is high and produce and peel off, squeeze off crowded broken phenomenon, it is ensured that the quality of product.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention：
（1）Count by weight, choose the electric-melting zirconia particle that 70~80 parts of particle diameters are 0.5~1mm, 17~25 parts red
Iron ore powder, 1~2 part of aluminium powder, 2~3 parts of potassium chlorate mixing are placed in a closed container, and be passed through containment vessel volume to it
The volume ratio of oxygen and nitrogen is 1 in 1/2 mixed gas, the mixed gas:9~1:10；
（2）Gas to be mixed is passed through after end, and the magnesium ribbon lighted is placed in closed container, makes the mixing in closed container
Thing is reacted after 1~2h, when the temperature in closed container reaches 900~1000 DEG C, then adds electric-melting zirconia particle matter to it
The lime powder of amount 25%, stirring is well mixed it, and it is 100~200r/min to control mixing speed, and mixing time is 25
~30min；
（3）Then acetylene gas is passed through into closed container, is passed through once to it every 3~5min, 5~7 is passed through altogether
It is secondary, and control to be passed through speed for 20~30mL/s, the temperature in closed container is improved to 1200~1300 DEG C, treat that gas is passed through
After end, 1~2h is incubated, then it is naturally cooled to room temperature；
（4）The mixture that room temperature will be cooled in closed container takes out, and is placed in ball mill ball milling into 100~120 purposes
Powder, then carried out after its PDA glue mixing with powder quality 1~2%, being placed in the baking oven that temperature is 70~80 DEG C
Dry 30~45min, you can obtain a kind of zircite product.
The density of the zircite product of above-mentioned preparation is 4~4.5g/cm3, normal temperature is resistance to be pressed on 250~370MPa, and fusing point exists
2700~3000 DEG C.
The application of the present invention：Zircite product obtained above is used to make zirconium oxide abrasive material or oxygen is made
Change zirconium coating material, applied to high performance turbine aero-engine.The grinding-material being made using the zircite product has hard
Degree is big, small wear rate, service life length, can be greatly reduced the pollution of grinding raw material, and as coating material can with high temperature resistant,
Temperature is up to 2700~3000 DEG C.
The beneficial effects of the invention are as follows：
（1）Zircite product thermal coefficient of expansion reduces 5~7% so that product will not be because of coefficient of thermal expansion in the process of use
It is high and produce and peel off, squeeze off crowded broken phenomenon, it is ensured that the quality of product.
（2）Preparation process is simple, and cost is low.
Embodiment
Count by weight first, choose the electric-melting zirconia particle that 70~80 parts of particle diameters are 0.5~1mm, 17~25 parts
Hematite powder, 1~2 part of aluminium powder, 2~3 parts of potassium chlorate mixing are placed in a closed container, and be passed through closed container body to it
The mixed gas of product 1/2, the volume ratio of oxygen and nitrogen is 1 wherein in mixed gas:9~1:10；Gas to be mixed is passed through knot
Shu Hou, the magnesium ribbon lighted is placed in closed container, the mixture in closed container is reacted after 1~2h, is treated in closed container
Temperature when reaching 900~1000 DEG C, then add to it lime powder of electric-melting zirconia granular mass 25%, stirring makes it
Well mixed, it is 100~200r/min to control mixing speed, and mixing time is 25~30min；Then it is passed through into closed container
Acetylene gas, is passed through once every 3~5min to it, is passed through altogether 5~7 times, and controls to be passed through speed for 20~30mL/s, makes
Temperature in closed container is improved to 1200~1300 DEG C, after gas is passed through end, is incubated 1~2h, then make its natural cooling
To room temperature；The mixture that room temperature will be cooled in closed container takes out, and is placed in ball mill ball milling into 100~120 mesh powders,
Again by after its PDA glue mixing with powder quality 1~2%, it is placed in the baking oven that temperature is 70~80 DEG C and is dried
30~45min, you can obtain a kind of zircite product.The density of zircite product is 4~4.5g/cm3, normal temperature is resistance to be pressed on 250
~370MPa, fusing point is at 2700~3000 DEG C.
Example 1
Count by weight first, choose the electric-melting zirconia particle that 80 parts of particle diameters are 1mm, 25 parts of hematite powders, 2
Part aluminium powder, 3 parts of potassium chlorate mixing, is placed in a closed container, and is passed through the mixed gas of containment vessel volume 1/2 to it, its
The volume ratio of oxygen and nitrogen is 1 in middle mixed gas:10；Gas to be mixed is passed through after end, the magnesium ribbon lighted is placed in close
Close in container, the mixture in closed container is reacted after 2h, add when the temperature in closed container reaches 1000 DEG C, then to it
Enter the lime powder of electric-melting zirconia granular mass 25%, stirring is well mixed it, it is 200r/min to control mixing speed,
Mixing time is 30min；Then acetylene gas is passed through into closed container, is passed through once to it every 5min, 7 is passed through altogether
It is secondary, and control to be passed through speed for 30mL/s, the temperature in closed container is improved to 1300 DEG C, after gas is passed through end, protect
Warm 2h, then it is naturally cooled to room temperature；The mixture that room temperature is cooled in closed container is taken out, ball milling in ball mill is placed in
Into 120 mesh powders, then it after its PDA glue mixing with powder quality 2%, will be placed in the baking oven that temperature is 80 DEG C
Row drying 45min, you can obtain a kind of zircite product.The density of zircite product is 4.5g/cm3, normal temperature is resistance to be pressed on
370MPa, fusing point is at 3000 DEG C.Zircite product obtained above is used to make zirconium oxide abrasive material.Utilize the zirconium oxide
The grinding-material that product is made has that hardness is big, wear rate is small, service life length, the pollution of grinding raw material can be greatly reduced.
Example 2
Count by weight first, choose the electric-melting zirconia particle that 70 parts of particle diameters are 0.5mm, 25 parts of hematite powders, 2
Part aluminium powder, 3 parts of potassium chlorate mixing, is placed in a closed container, and is passed through the mixed gas of containment vessel volume 1/2 to it, its
The volume ratio of oxygen and nitrogen is 1 in middle mixed gas:9；Gas to be mixed is passed through after end, the magnesium ribbon lighted is placed in closed
In container, the mixture in closed container is reacted after 2h, added when the temperature in closed container reaches 900 DEG C, then to it
The lime powder of electric-melting zirconia granular mass 25%, stirring is well mixed it, and it is 100r/min to control mixing speed, is stirred
The time is mixed for 25~30min；Then acetylene gas is passed through into closed container, is passed through once to it every 3min, 5 is passed through altogether
It is secondary, and control to be passed through speed for 20mL/s, the temperature in closed container is improved to 1200 DEG C, after gas is passed through end, protect
Warm 1h, then it is naturally cooled to room temperature；The mixture that room temperature is cooled in closed container is taken out, ball milling in ball mill is placed in
Into 100 mesh powders, then it after its PDA glue mixing with powder quality 1%, will be placed in the baking oven that temperature is 70 DEG C
Row drying 30min, you can obtain a kind of zircite product.The density of zircite product is 4g/cm3, normal temperature is resistance to be pressed on 250MPa,
Fusing point is at 2700 DEG C.Zircite product obtained above is used to make zirconia coating material, applied to high-performance whirlpool
Aero-engine is taken turns, and can be with high temperature resistant as coating material, temperature is up to 3000 DEG C.
Example 3
Count by weight first, choose the electric-melting zirconia particle that 75 parts of particle diameters are 0.6mm, 20 parts of hematite powders, 2
Part aluminium powder, 3 parts of potassium chlorate mixing, is placed in a closed container, and is passed through the mixed gas of containment vessel volume 1/2 to it, its
The volume ratio of oxygen and nitrogen is 1 in middle mixed gas:9；Gas to be mixed is passed through after end, the magnesium ribbon lighted is placed in closed
In container, the mixture in closed container is reacted after 2h, added when the temperature in closed container reaches 950 DEG C, then to it
The lime powder of electric-melting zirconia granular mass 25%, stirring is well mixed it, and it is 150r/min to control mixing speed, is stirred
The time is mixed for 27min；Then acetylene gas is passed through into closed container, is passed through once to it every 4min, is passed through altogether 6 times,
And control to be passed through speed for 25mL/s, and the temperature in closed container is improved to 1250 DEG C, after gas is passed through end, insulation
1h, then it is naturally cooled to room temperature；The mixture that room temperature will be cooled in closed container takes out, be placed in ball mill ball milling into
110 mesh powders, then carried out after its PDA glue mixing with powder quality 1%, being placed in the baking oven that temperature is 75 DEG C
Dry 40min, you can obtain a kind of zircite product.The density of zircite product is 4.2g/cm3, normal temperature is resistance to be pressed on 300MPa,
Fusing point is at 2800 DEG C.Zircite product obtained above is used to make zirconium oxide abrasive material.Utilize the zircite product system
Into grinding-material have that hardness is big, wear rate is small, service life length, the pollution of grinding raw material can be greatly reduced.
Claims (1)
1. a kind of preparation method of zircite product, it is characterised in that specifically preparation process is：
（1）Count by weight, choose the electric-melting zirconia particle that 70~80 parts of particle diameters are 0.5~1mm, 17~25 parts of bloodstone
Powder, 1~2 part of aluminium powder, 2~3 parts of potassium chlorate mixing are placed in a closed container, and be passed through containment vessel volume 1/2 to it
The volume ratio of oxygen and nitrogen is 1 in mixed gas, the mixed gas:9~1:10；
（2）Gas to be mixed is passed through after end, and the magnesium ribbon lighted is placed in closed container, makes the mixture in closed container anti-
Answer after 1~2h, electric-melting zirconia granular mass is added when the temperature in closed container reaches 900~1000 DEG C, then to it
25% lime powder, stirring is well mixed it, and it is 100~200r/min control mixing speed, mixing time for 25~
30min；
（3）Then acetylene gas is passed through into closed container, is passed through once to it every 3~5min, is passed through altogether 5~7 times, and
Control to be passed through speed for 20~30mL/s, the temperature in closed container is improved to 1200~1300 DEG C, treat that gas is passed through end
Afterwards, 1~2h is incubated, then it is naturally cooled to room temperature；
（4）The mixture that room temperature will be cooled in closed container takes out, and is placed in ball mill ball milling into 100~120 mesh powders,
Again by after its PDA glue mixing with powder quality 1~2%, it is placed in the baking oven that temperature is 70~80 DEG C and is dried
30~45min, you can obtain a kind of zircite product.
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| CN201510791392.2A CN105384437B (en) | 2015-11-17 | 2015-11-17 | A kind of preparation method of zircite product |
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| CN201510791392.2A CN105384437B (en) | 2015-11-17 | 2015-11-17 | A kind of preparation method of zircite product |
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| JP2002104877A (en) * | 2000-09-27 | 2002-04-10 | Moritex Corp | Method of synthesizing heat-shrinkable oxide |
| CN103496974A (en) * | 2013-09-25 | 2014-01-08 | 安徽巨盛新材料科技有限公司 | Production process of zirconia ceramics |
| CN104591745A (en) * | 2015-02-02 | 2015-05-06 | 厦门胜中流体控制技术有限公司 | Raw material powder for zirconia ceramic part with high wear resistance and preparation method of raw material powder |
| CN104891857A (en) * | 2015-05-26 | 2015-09-09 | 新化县众一陶瓷有限公司 | Preparation method of stabilizer composite zirconium oxide powder |
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