CN1068809C - 团化钽粉的生产方法 - Google Patents
团化钽粉的生产方法 Download PDFInfo
- Publication number
- CN1068809C CN1068809C CN97110990A CN97110990A CN1068809C CN 1068809 C CN1068809 C CN 1068809C CN 97110990 A CN97110990 A CN 97110990A CN 97110990 A CN97110990 A CN 97110990A CN 1068809 C CN1068809 C CN 1068809C
- Authority
- CN
- China
- Prior art keywords
- tantalum powder
- powder
- production method
- tantalum
- 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.)
- Expired - Fee Related
Links
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 17
- 229910052715 tantalum Inorganic materials 0.000 claims description 14
- 238000005554 pickling Methods 0.000 claims description 12
- 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 11
- 238000012545 processing Methods 0.000 claims description 11
- 239000011734 sodium Substances 0.000 claims description 11
- 229910052708 sodium Inorganic materials 0.000 claims description 11
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 8
- 239000011591 potassium Substances 0.000 claims description 8
- 229910052700 potassium Inorganic materials 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 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 CN1197707A (zh) | 1998-11-04 |
CN1068809C true 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) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1928620B1 (en) | 2005-09-29 | 2020-03-18 | Ningxia Orient Tantalum Industry Co., Ltd. | Method for spherically granulating and agglomerating metal particles |
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 |
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 |
CN102554215B (zh) * | 2011-12-29 | 2014-01-29 | 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 |
CN104884195B (zh) * | 2013-12-04 | 2017-10-27 | 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 |
EP3089180B1 (en) | 2013-12-25 | 2019-11-06 | Ningxia Orient Tantalum Industry Co., Ltd. | Capacitor grade high specific volume tantalum powder improving electrical performance and preparation method therefor |
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 |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1052070A (zh) * | 1989-11-20 | 1991-06-12 | 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 |
CN1123206A (zh) * | 1994-09-28 | 1996-05-29 | 斯塔克维脱有限公司 | 钽粉及其使用该种钽粉的电解质电容器 |
-
1997
- 1997-04-29 CN CN97110990A patent/CN1068809C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1052070A (zh) * | 1989-11-20 | 1991-06-12 | 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 |
CN1123206A (zh) * | 1994-09-28 | 1996-05-29 | 斯塔克维脱有限公司 | 钽粉及其使用该种钽粉的电解质电容器 |
Also Published As
Publication number | Publication date |
---|---|
CN1197707A (zh) | 1998-11-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4537641A (en) | Process for producing valve-metal anodes for electrolytic capacitors | |
AU2002308967B2 (en) | Niobium monoxide powder, niobium monoxide sintered product and capacitor using niobium monoxide sintered product | |
CN101189089B (zh) | 用于热处理金属粉末的方法及由其制造的产品 | |
JP5547073B2 (ja) | ニオブ亜酸化物又はニオブの粉末を調製するための方法 | |
US7986508B2 (en) | Niobium monoxide powder, niobium monoxide sintered body and capacitor using the sintered body | |
CN1068809C (zh) | 团化钽粉的生产方法 | |
US8257463B2 (en) | Capacitor anode formed from flake powder | |
CZ17994A3 (en) | Flaky tantalum powder and method of using thereof | |
JP2005517091A (ja) | 高比表面積のタンタルおよび/またはニオブの粉体を製造するための方法 | |
CN1257552A (zh) | 阀金属组合物和方法 | |
EP1275125B1 (en) | Niobium sintered body, production method therefor, and capacitor using the same | |
US7037355B2 (en) | Niobium powder for capacitor, sintered body using the powder and capacitor using the same | |
WO2002013998A1 (fr) | Procede de fabrication d'un objet de tantale fritte pour condensateur electrolytique | |
CN110062674B (zh) | 钽粉、包括其的阳极和电容器、以及它们的制造方法 | |
JP6824320B2 (ja) | タンタル粉末及びその製造方法並びにタンタル粉末から製造される焼結アノード | |
JP2024515196A (ja) | アルカリ土類金属で酸化タンタルを還元することによってコンデンサ用タンタル粉末を製造する方法 | |
EP1328952B1 (en) | Powder for capacitor, sintered body and capacitor using the sintered body | |
WO2016070303A1 (zh) | 钽粉及其制造方法和由其制成的烧结阳极 | |
US20020075629A1 (en) | Niobium powder, sintered body using the powder, and capacitor using the same | |
JPH05190240A (ja) | 電刷子の製造方法及び電刷子製造用銅粉原料 | |
JPH04218608A (ja) | 高容量土酸金属粉末、その製造方法およびその使用 | |
JP2505343B2 (ja) | タンタル粉末及びその製造方法 | |
KR100804652B1 (ko) | 니오브가루, 그 소결체 및 콘덴서 | |
JP2003178935A (ja) | コンデンサ用粉体、それを用いた焼結体及びそれを用いたコンデンサ | |
AU2008200187A1 (en) | Niobium powder, niobium sintered body and capacitor using the sintered body |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
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 |
|
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 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010725 Termination date: 20150429 |
|
EXPY | Termination of patent right or utility model |