CN1197707A - 团化钽粉的生产方法 - Google Patents
团化钽粉的生产方法 Download PDFInfo
- Publication number
- CN1197707A CN1197707A CN 97110990 CN97110990A CN1197707A CN 1197707 A CN1197707 A CN 1197707A CN 97110990 CN97110990 CN 97110990 CN 97110990 A CN97110990 A CN 97110990A CN 1197707 A CN1197707 A CN 1197707A
- Authority
- CN
- China
- Prior art keywords
- tantalum powder
- powder
- tantalum
- production method
- pelletized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 19
- 229910052715 tantalum Inorganic materials 0.000 claims description 14
- 238000005554 pickling Methods 0.000 claims description 13
- 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 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 9
- 239000011591 potassium Substances 0.000 claims description 9
- 229910052700 potassium Inorganic materials 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 7
- 239000011777 magnesium Substances 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 150000007522 mineralic acids Chemical class 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 18
- 239000001301 oxygen Substances 0.000 abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract 2
- 230000002776 aggregation Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 238000011026 diafiltration Methods 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
Description
样品号 | Oppm | SBD克/厘米3 | FSSSμm | 流动性克/秒 | 筛分粒度分布(%) | |||
-40/+80目 | -80/+200目 | -200/325目 | -325目 | |||||
S-0 | 3900 | 0.84 | 0.71 | 不流 | ||||
S-1(比) | 2800 | 1.20 | 1.50 | 不流 | 0.5 | 24.3 | 10.5 | 64.7 |
S-2-1 | 2450 | 1.56 | 1.80 | 0.21 | 3.5 | 30.4 | 10.6 | 56.5 |
S-2-2 | 2400 | 1.60 | 1.96 | 0.72 | 4.5 | 32.0 | 12.3 | 51.2 |
S-2-3 | 2310 | 1.80 | 2.50 | 1.23 | 7.6 | 35.3 | 15.0 | 42.1 |
S-2-4 | 2320 | 1.95 | 2.70 | 1.32 | 10.2 | 39.5 | 14.3 | 36.0 |
S-2-5 | 2250 | 2.15 | 2.90 | 1.85 | 11.0 | 40.3 | 16.0 | 32.7 |
S-2-6 | 2260 | 2.20 | 3.05 | 2.04 | 15.0 | 41.5 | 15.2 | 28.3 |
S-3 | 2240 | 2.00 | 2.75 | 1.30 | 10.5 | 41.2 | 17.0 | 31.3 |
S-4 | 2100 | 2.05 | 2.92 | 1.82 | 10.5 | 42.0 | 15.8 | 31.7 |
S-5 | 2250 | 1.70 | 1.90 | 1.10 | 10.0 | 31.0 | 13.0 | 49 |
S-6(比) | 2500 | 1.50 | 1.51 | 不流 | 2.5 | 25.4 | 10.5 | 61.6 |
漏电流μA/μF.V | 比容μF.V/g | tanδ% | 体积收缩率% | |
S-1(比) | 2.0×10-3 | 32060 | 70.5 | 16.6 |
S-2-1 | 8.5×10-4 | 34100 | 52.7 | 15.2 |
S-2-2 | 5.7×10-4 | 33200 | 48.2 | 14.8 |
S-2-3 | 4.3×10-4 | 33060 | 47.5 | 14.7 |
S-2-4 | 4.0×10-4 | 33100 | 45.0 | 15.0 |
S-2-5 | 3.9×10-4 | 32670 | 43.8 | 14.5 |
S-2-6 | 5.6×10-4 | 30800 | 38.0 | 14.7 |
S-3 | 3.8×10-4 | 32950 | 40.5 | 14.5 |
S-4 | 3.5×10-4 | 32500 | 41.3 | 14.2 |
S-5 | 4.0×10-4 | 33010 | 50.2 | 15.0 |
S-6(比) | 6.3×10-4 | 33800 | 54.7 | 15.2 |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97110990A CN1068809C (zh) | 1997-04-29 | 1997-04-29 | 团化钽粉的生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97110990A CN1068809C (zh) | 1997-04-29 | 1997-04-29 | 团化钽粉的生产方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1197707A true CN1197707A (zh) | 1998-11-04 |
CN1068809C CN1068809C (zh) | 2001-07-25 |
Family
ID=5171585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97110990A Expired - Fee Related CN1068809C (zh) | 1997-04-29 | 1997-04-29 | 团化钽粉的生产方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1068809C (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7666247B2 (en) | 2005-09-29 | 2010-02-23 | Ningxia Orient Tantalum Industry Co., Ltd. | Methods for spherically granulating and agglomerating metal particles, and the metal particles prepared thereby, anodes made from the metal patricles |
CN102120258A (zh) * | 2011-02-14 | 2011-07-13 | 宁夏东方钽业股份有限公司 | 钽粉的热处理方法 |
CN102382993A (zh) * | 2011-10-09 | 2012-03-21 | 广东致远新材料有限公司 | 一种靶材级超高纯钽金属的制取方法 |
CN102554215A (zh) * | 2011-12-29 | 2012-07-11 | 中国兵器工业第五二研究所 | 一种纳米级钽粉的热处理方法 |
WO2015081508A1 (zh) * | 2013-12-04 | 2015-06-11 | 宁夏东方钽业股份有限公司 | 一种超高比容钽粉末的团化方法及由该方法制备的钽粉 |
WO2016070303A1 (zh) * | 2014-11-03 | 2016-05-12 | 宁夏东方钽业股份有限公司 | 钽粉及其制造方法和由其制成的烧结阳极 |
US10074486B2 (en) | 2013-12-25 | 2018-09-11 | Ningxia Orient Tantalum Industry Co., Ltd. | High specific capacitance capacitor-grade tantalum powder with improved electrical properties and process for making the same |
CN111940745A (zh) * | 2019-12-30 | 2020-11-17 | 宁夏东方钽业股份有限公司 | 大松装冶金级钽粉的制造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1023548C (zh) * | 1989-11-20 | 1994-01-19 | 宁夏有色金属冶炼厂 | 电容器级钽粉的生产方法 |
US5442978A (en) * | 1994-05-19 | 1995-08-22 | H. C. Starck, Inc. | Tantalum production via a reduction of K2TAF7, with diluent salt, with reducing agent provided in a fast series of slug additions |
JPH0897096A (ja) * | 1994-09-28 | 1996-04-12 | Sutaruku Buitetsuku Kk | タンタル粉末及びそれを用いた電解コンデンサ |
-
1997
- 1997-04-29 CN CN97110990A patent/CN1068809C/zh not_active Expired - Fee Related
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7666247B2 (en) | 2005-09-29 | 2010-02-23 | Ningxia Orient Tantalum Industry Co., Ltd. | Methods for spherically granulating and agglomerating metal particles, and the metal particles prepared thereby, anodes made from the metal patricles |
CN102120258A (zh) * | 2011-02-14 | 2011-07-13 | 宁夏东方钽业股份有限公司 | 钽粉的热处理方法 |
CN102120258B (zh) * | 2011-02-14 | 2012-12-26 | 宁夏东方钽业股份有限公司 | 钽粉的热处理方法 |
CN102382993A (zh) * | 2011-10-09 | 2012-03-21 | 广东致远新材料有限公司 | 一种靶材级超高纯钽金属的制取方法 |
CN102382993B (zh) * | 2011-10-09 | 2013-08-28 | 广东致远新材料有限公司 | 一种靶材级超高纯钽金属的制取方法 |
CN102554215A (zh) * | 2011-12-29 | 2012-07-11 | 中国兵器工业第五二研究所 | 一种纳米级钽粉的热处理方法 |
WO2015081508A1 (zh) * | 2013-12-04 | 2015-06-11 | 宁夏东方钽业股份有限公司 | 一种超高比容钽粉末的团化方法及由该方法制备的钽粉 |
US10074486B2 (en) | 2013-12-25 | 2018-09-11 | Ningxia Orient Tantalum Industry Co., Ltd. | High specific capacitance capacitor-grade tantalum powder with improved electrical properties and process for making the same |
CN105916616A (zh) * | 2014-11-03 | 2016-08-31 | 宁夏东方钽业股份有限公司 | 钽粉及其制造方法和由其制成的烧结阳极 |
GB2538211A (en) * | 2014-11-03 | 2016-11-09 | Ningxia Orient Tantalum Ind Co Ltd | Tantalum powder and preparation method thereof, and sintered anode made by same |
KR20170080534A (ko) * | 2014-11-03 | 2017-07-10 | 닝시아 오리엔트 탄탈럼 인더스트리 코포레이션 엘티디 | 탄탈룸 분말 및 이의 제조방법, 및 탄탈룸 분말로 제조된 소결 애노드 |
WO2016070303A1 (zh) * | 2014-11-03 | 2016-05-12 | 宁夏东方钽业股份有限公司 | 钽粉及其制造方法和由其制成的烧结阳极 |
CN105916616B (zh) * | 2014-11-03 | 2018-09-14 | 宁夏东方钽业股份有限公司 | 钽粉及其制造方法和由其制成的烧结阳极 |
GB2538211B (en) * | 2014-11-03 | 2018-09-26 | Ningxia Orient Tantalum Ind Co Ltd | Tantalum powder and process for preparing the same, and sintered anode prepared from the tantalum powder |
US10513769B2 (en) | 2014-11-03 | 2019-12-24 | Ningxia Orient Tantalum Industry Co., Ltd. | Tantalum powder and process for preparing the same, and sintered anode prepared from the tantalum powder |
KR102251986B1 (ko) | 2014-11-03 | 2021-05-13 | 닝시아 오리엔트 탄탈럼 인더스트리 코포레이션 엘티디 | 탄탈룸 분말 및 이의 제조방법, 및 탄탈룸 분말로 제조된 소결 애노드 |
CZ309286B6 (cs) * | 2014-11-03 | 2022-07-20 | Ningxia Orient Tantalum Industry Co., Ltd | Způsob výroby tantalového prášku |
CN111940745A (zh) * | 2019-12-30 | 2020-11-17 | 宁夏东方钽业股份有限公司 | 大松装冶金级钽粉的制造方法 |
CN111940745B (zh) * | 2019-12-30 | 2024-01-19 | 宁夏东方钽业股份有限公司 | 大松装冶金级钽粉的制造方法 |
Also Published As
Publication number | Publication date |
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CN1068809C (zh) | 2001-07-25 |
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C06 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DONGFANG TANTALUM INDUSTRY CO. LTD., NINGXIA Free format text: FORMER OWNER: NINGXIA NON-FERROUS METAL SMELTERY;NINGXIA NON-FERROUS METALS SMELTERY Effective date: 20100817 |
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Free format text: CORRECT: ADDRESS; FROM: 753000 NO.105 MAILBOX, SHIZUISHAN CITY, NINGXIA HUI AUTONOMOUS REGION TO: 753000 NO.119, YEJIN ROAD, DAWUKOU DISTRICT, SHIZUISHAN CITY, NINGXIA |
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TR01 | Transfer of patent right |
Effective date of registration: 20100817 Address after: 753000 No. 119 metallurgical Road, Dawukou District, Ningxia, Shizuishan Patentee after: Dongfang Tantalum Industry Co., Ltd., Ningxia Address before: 753000 box 105, the Ningxia Hui Autonomous Region, Shizuishan Patentee before: Ningxia Non-ferrous Metals Smeltery |
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