CN113551530A - 一种匣钵 - Google Patents
一种匣钵 Download PDFInfo
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- CN113551530A CN113551530A CN202110915293.6A CN202110915293A CN113551530A CN 113551530 A CN113551530 A CN 113551530A CN 202110915293 A CN202110915293 A CN 202110915293A CN 113551530 A CN113551530 A CN 113551530A
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- 239000000463 material Substances 0.000 claims abstract description 21
- 239000011159 matrix material Substances 0.000 claims abstract description 21
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 17
- 239000010937 tungsten Substances 0.000 claims abstract description 17
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 14
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 11
- -1 tungsten nitride Chemical class 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010431 corundum Substances 0.000 claims abstract description 7
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 7
- 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 7
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005350 fused silica glass Substances 0.000 claims abstract description 6
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052849 andalusite Inorganic materials 0.000 claims abstract description 4
- 229910052878 cordierite Inorganic materials 0.000 claims abstract description 4
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007773 negative electrode material Substances 0.000 claims description 2
- 239000007774 positive electrode material Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000001354 calcination Methods 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010405 anode material Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
- F27D5/0012—Modules of the sagger or setter type; Supports built up from them
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Abstract
本发明涉及一种匣钵，所述匣钵包括外层基体和内壁工作层；所述外层基体的主要成分包括：莫来石、刚玉、高岭土、董青石、钾长石、熔融石英、红柱石、氧化锆中的一种或多种；所述内壁工作层的主要成分包括：碳化钨和/或氮化钨；所述内壁工作层覆盖于所述外层基体的内腔表面，覆盖面积为外层基体的内腔表面积的60％‑100％。该匣钵通过外层基体起到成型及形成骨架的作用，通过内壁工作层作为与物料直接接触的表面，具有耐受温度高，不易引入杂质的优点，能够有效提升在匣钵内煅烧的产品的品质和性能。
Description
技术领域
本发明涉及电池材料制备装置技术领域，尤其涉及一种匣钵。
背景技术
电池材料的生产过程必须经过高温窑炉的烧结，而材料的烧结过程需要采用匣钵来装载。
由于电池材料中含有碱性金属元素或渗透性强的元素，具有较强的腐蚀性，使用传统匣钵在高温烧结的过程中容易受到材料的侵蚀，易发生粉化、碎裂、容易引入杂质等问题，使得匣钵使用寿命受此影响缩短，达不到使用要求。
针对目前匣钵存在的抗腐蚀能力、使用寿命、结构材料稳定等不足的问题，采用新型的具有更优性能的匣钵用于电池材料的生产具有十分重要的意义。
发明内容
本发明实施例提供了一种匣钵，具有外层基体和内壁工作层的双层结构，内壁工作层的主要成分包括碳化钨和/或氮化钨。通过该结构及材料的使用，使得内壁工作层作为与物料直接接触的表面，具有耐受温度高，不易引入杂质的优点，同时通过外层基体起到成型及形成骨架的作用，使得匣钵存在的抗腐蚀能力强、使用寿命长、结构材料稳定的特性。
第一方面，本发明实施例提供了一种匣钵，包括外层基体和内壁工作层；
所述外层基体的主要成分包括：莫来石、刚玉、高岭土、董青石、钾长石、熔融石英、红柱石、氧化锆中的一种或多种；
所述内壁工作层的主要成分包括：碳化钨和/或氮化钨；
所述内壁工作层覆盖于所述外层基体的内腔表面，覆盖面积为外层基体的内腔表面积的60％-100％。
优选的，所述外层基体的厚度为5mm-2cm；所述内壁工作层的厚度为0.1mm-5mm。
优选的，所述内壁工作层与外层基体通过喷涂、挤压、粘接、捏合或啮合的任一方式结合在一起。
优选的，所述匣钵的耐受温度达到1500℃。
优选的，所述内壁工作层的成分还包括：碳化硅和/或氮化硅。
进一步优选的，所述匣钵用于烧结固态电解质、正极材料、负极材料或隔膜涂覆材料。
本发明匣钵，具有外层基体和内壁工作层的双层结构，内壁工作层的主要成分包括碳化钨和/或氮化钨。通过该结构及材料的使用，使得内壁工作层作为与物料直接接触的表面，具有耐受温度高，不易引入杂质的优点，同时通过外层基体起到成型及形成骨架的作用，使得匣钵存在的抗腐蚀能力强、使用寿命长、结构材料稳定的特性。
附图说明
下面通过附图和实施例，对本发明实施例的技术方案做进一步详细描述。
图1为本发明实施例的匣钵的结构示意图。
具体实施方式
下面通过附图和具体的实施例，对本发明进行进一步的说明，但应当理解为这些实施例仅仅是用于更详细说明之用，而不应理解为用以任何形式限制本发明，即并不意于限制本发明的保护范围。
本发明的匣钵，如图1所示，包括外层基体1和内壁工作层2。
外层基体1的主要成分包括：莫来石、刚玉、高岭土、董青石、钾长石、熔融石英、红柱石、氧化锆中的一种或多种；
内壁工作层2的主要成分包括：碳化钨和/或氮化钨，除此之外还可以包括碳化硅和/或氮化硅。
内壁工作层1和外层基体2通过喷涂、挤压、粘接、捏合或啮合的任一方式结合在一起。其中，外层基体1的厚度为5mm-2cm；内壁工作层2的厚度为0.1mm-5mm。内壁工作层2覆盖于外层基体1的内腔表面，覆盖面积为外层基体1的内腔表面积的60％-100％。
上述材料均为耐高温材料，使得本发明匣钵的耐受温度可达到1500℃，可用于烧结固态电解质、正极材料、负极材料或隔膜涂覆材料。
本发明匣钵通过外层基体起到成型及形成骨架的作用，通过内壁工作层作为与物料直接接触的表面，具有耐受温度高，不易引入杂质的优点，能够有效提升在匣钵内煅烧的产品的品质和性能。
实施例1
本实施例提供了一种匣钵，包括1cm厚的莫来石外层基体和0.1mm厚的碳化钨内壁工作层，碳化钨内壁工作层以喷涂方式形成在莫来石外层基体的内表面，覆盖100％的莫来石外层基体的内腔表面积。
实施例2
本实施例提供了一种匣钵，包括2cm厚的氧化锆外层基体和5mm厚的碳化钨内壁工作层，碳化钨内壁工作层与氧化锆外层基体通过啮合方式固定结合，碳化钨内壁工作层覆盖100％的氧化锆外层基体的内腔表面积。
实施例3
本实施例提供了一种匣钵，包括5mm厚的刚玉外层基体和2mm厚的氮化钨内壁工作层，氮化钨内壁工作层与刚玉外层基体通过挤压方式固定结合，氮化钨内壁工作层覆盖80％的刚玉外层基体的内腔表面积。
实施例4
本实施例提供了一种匣钵，包括1.5cm厚的高岭土外层基体和3mm厚的氮化钨-氮化硅内壁工作层，其中氮化钨与氮化硅的含量比例为1：1，氮化钨-氮化硅内壁工作层与高岭土外层基体通过挤压方式固定结合，氮化钨-氮化硅内壁工作层覆盖60％的高岭土外层基体的内腔表面积。
实施例5
本实施例提供了一种匣钵，包括1.7cm厚的熔融石英外层基体和1mm厚的氮化钨-碳化硅内壁工作层，其中氮化钨与碳化硅的含量比例为1：1，氮化钨-碳化硅内壁工作层与高岭土外层基体通过粘接方式固定结合，氮化钨-碳化硅内壁工作层覆盖100％的熔融石英外层基体的内腔表面积。
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
Claims (6)
1.一种匣钵，其特征在于，所述匣钵包括外层基体和内壁工作层；
所述外层基体的主要成分包括：莫来石、刚玉、高岭土、董青石、钾长石、熔融石英、红柱石、氧化锆中的一种或多种；
所述内壁工作层的主要成分包括：碳化钨和/或氮化钨；
所述内壁工作层覆盖于所述外层基体的内腔表面，覆盖面积为外层基体的内腔表面积的60％-100％。
2.根据权利要求1所述匣钵，其特征在于，所述外层基体的厚度为5mm-2cm；所述内壁工作层的厚度为0.1mm-5mm。
3.根据权利要求1所述匣钵，其特征在于，所述内壁工作层与外层基体通过喷涂、挤压、粘接、捏合或啮合的任一方式结合在一起。
4.根据权利要求1所述匣钵，其特征在于，所述匣钵的耐受温度达到1500℃。
5.根据权利要求1所述匣钵，其特征在于，所述内壁工作层的成分还包括：碳化硅和/或氮化硅。
6.根据权利要求1-5任一所述匣钵，其特征在于，所述匣钵用于烧结固态电解质、正极材料、负极材料或隔膜涂覆材料。
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| CN113800932A (zh) * | 2021-11-10 | 2021-12-17 | 济源市耐火炉业有限公司 | 一种大型焦炉用复合格子砖及其制备方法 |
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| CN111170744A (zh) * | 2019-12-30 | 2020-05-19 | 湖南太子新材料科技有限公司 | 一种用于锂电池正极材料的碳化硅匣钵及其制备方法 |
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