CN108191414B - 一种提高板状刚玉体积密度的工艺 - Google Patents
一种提高板状刚玉体积密度的工艺 Download PDFInfo
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- CN108191414B CN108191414B CN201810191295.3A CN201810191295A CN108191414B CN 108191414 B CN108191414 B CN 108191414B CN 201810191295 A CN201810191295 A CN 201810191295A CN 108191414 B CN108191414 B CN 108191414B
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- 229910052593 corundum Inorganic materials 0.000 title claims abstract description 33
- 239000010431 corundum Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 25
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000843 powder Substances 0.000 claims abstract description 46
- 238000005245 sintering Methods 0.000 claims abstract description 30
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims description 48
- 238000005507 spraying Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 239000008188 pellet Substances 0.000 claims 2
- 239000013078 crystal Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 230000005012 migration Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 239000007790 solid phase Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 10
- 239000008213 purified water Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- 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
- C04B35/10—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 aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810191295.3A CN108191414B (zh) | 2018-03-08 | 2018-03-08 | 一种提高板状刚玉体积密度的工艺 |
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CN201810191295.3A CN108191414B (zh) | 2018-03-08 | 2018-03-08 | 一种提高板状刚玉体积密度的工艺 |
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CN108191414A CN108191414A (zh) | 2018-06-22 |
CN108191414B true CN108191414B (zh) | 2020-05-12 |
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CN201810191295.3A Active CN108191414B (zh) | 2018-03-08 | 2018-03-08 | 一种提高板状刚玉体积密度的工艺 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111320461B (zh) * | 2020-03-02 | 2022-03-15 | 新乡学院 | 一种制备板状刚玉的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101085706A (zh) * | 2006-06-08 | 2007-12-12 | 汉中秦元新材料有限公司 | 采用超高温竖窑生产烧结板状刚玉的工艺方法 |
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2018
- 2018-03-08 CN CN201810191295.3A patent/CN108191414B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101085706A (zh) * | 2006-06-08 | 2007-12-12 | 汉中秦元新材料有限公司 | 采用超高温竖窑生产烧结板状刚玉的工艺方法 |
Non-Patent Citations (2)
Title |
---|
张家勤等.烧结刚玉晶体板状化的研究.《耐火材料》.1998,(第05期), * |
烧结刚玉晶体板状化的研究;张家勤等;《耐火材料》;19981231(第05期);第305-306页 * |
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Address after: 256220 Guozhuang Industrial Park, Linchi Town, Zouping County, Binzhou City, Shandong Province Applicant after: Shandong Hengjia High Purity Aluminum Technology Co.,Ltd. Address before: 256220 Guozhuang Industrial Park, Linchi Town, Zouping County, Binzhou City, Shandong Province Applicant before: SHANDONG HENGJIA HIGH PURITY REFRACTORY MATERIAL Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A process for improving the bulk density of plate corundum Effective date of registration: 20220126 Granted publication date: 20200512 Pledgee: Weifang Bank Co.,Ltd. Binzhou Zouping sub branch Pledgor: Shandong Hengjia High Purity Aluminum Technology Co.,Ltd. Registration number: Y2022980001169 |
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Date of cancellation: 20230104 Granted publication date: 20200512 Pledgee: Weifang Bank Co.,Ltd. Binzhou Zouping sub branch Pledgor: Shandong Hengjia High Purity Aluminum Technology Co.,Ltd. Registration number: Y2022980001169 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A Process for Improving the Bulk Density of Plate Shaped Corundum Effective date of registration: 20231030 Granted publication date: 20200512 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: Shandong Hengjia High Purity Aluminum Technology Co.,Ltd. Registration number: Y2023370000120 |