CN100350077C - 铝电解槽用石墨化阴极炭块及其制造方法 - Google Patents
铝电解槽用石墨化阴极炭块及其制造方法 Download PDFInfo
- Publication number
- CN100350077C CN100350077C CNB2004100260895A CN200410026089A CN100350077C CN 100350077 C CN100350077 C CN 100350077C CN B2004100260895 A CNB2004100260895 A CN B2004100260895A CN 200410026089 A CN200410026089 A CN 200410026089A CN 100350077 C CN100350077 C CN 100350077C
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- China
- Prior art keywords
- cathode carbon
- carbon block
- graphitized
- graphitized cathode
- weight percent
- 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.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 38
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 13
- 239000004411 aluminium Substances 0.000 title abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract description 3
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 11
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 11
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000006253 pitch coke Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000008117 stearic acid Substances 0.000 claims abstract description 11
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 19
- 238000007598 dipping method Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000011294 coal tar pitch Substances 0.000 claims description 11
- 238000005087 graphitization Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000000571 coke Substances 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 abstract description 11
- 239000010439 graphite Substances 0.000 abstract description 11
- 239000003792 electrolyte Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 3
- 239000002006 petroleum coke Substances 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 description 13
- 238000001354 calcination Methods 0.000 description 8
- 239000003245 coal Substances 0.000 description 5
- 238000005242 forging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
Description
| 序号 | 指标名称 | 单位 | 普通阴极炭块 | 半石墨质阴极炭块 | 石墨化阴极炭块 |
| 1 | 灰分 | % | ≤9 | ≤7 | ≤0.3 |
| 2 | 真密度 | g/m3 | ≥1.86 | ≥1.90 | ≥2.18 |
| 3 | 体积密度 | g/m3 | ≥1.54 | ≥1.56 | ≥1.62 |
| 4 | 全气孔率 | % | ≤26 | ||
| 5 | 耐压强度 | MPa | ≥32 | ≥32 | ≥30 |
| 6 | 抗折强度 | MPa | ≥8 | ||
| 7 | 比电阻 | μΩ.m | ≤55 | ≤40 | ≤14 |
| 8 | 电解膨胀率 | % | ≤1.0 | ≤0.15 | |
| 9 | 破损系数 | ≤1.5 | |||
| 10 | 导热系数(室温) | W/m.K | ≥80. |
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100260895A CN100350077C (zh) | 2004-04-15 | 2004-04-15 | 铝电解槽用石墨化阴极炭块及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100260895A CN100350077C (zh) | 2004-04-15 | 2004-04-15 | 铝电解槽用石墨化阴极炭块及其制造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1683597A CN1683597A (zh) | 2005-10-19 |
| CN100350077C true CN100350077C (zh) | 2007-11-21 |
Family
ID=35263087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100260895A Expired - Fee Related CN100350077C (zh) | 2004-04-15 | 2004-04-15 | 铝电解槽用石墨化阴极炭块及其制造方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100350077C (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457681C (zh) * | 2006-11-07 | 2009-02-04 | 中钢集团吉林炭素股份有限公司 | 超大型高炉用高导热高强度石墨砖及生产工艺和应用 |
| CN101665957B (zh) * | 2009-09-23 | 2011-01-12 | 四川广汉士达炭素股份有限公司 | 铝电解槽用耐磨蚀石墨化阴极炭块及其制造方法 |
| CN102158999B (zh) * | 2011-05-16 | 2013-03-13 | 方大炭素新材料科技股份有限公司 | 一种φ800mm普通功率石墨电极及其生产方法 |
| CN103374729A (zh) * | 2012-04-17 | 2013-10-30 | 夏华松 | 高纯品质石墨阴极生产工艺 |
| CN102674853B (zh) * | 2012-05-15 | 2013-09-04 | 河南方圆炭素集团有限公司 | 镍铁电炉炉门用石墨芯 |
| CN104129782B (zh) * | 2014-07-30 | 2016-08-31 | 焦作市中州炭素有限责任公司 | 直径348mm石墨电极及其生产制造方法 |
| CN108218429A (zh) * | 2017-10-10 | 2018-06-29 | 中国矿业大学 | 一种以高温煤沥青为原料制备高纯石墨材料的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000086343A (ja) * | 1998-09-09 | 2000-03-28 | Sec Corp | 炭素複合材料及びその製造方法 |
| US20020000373A1 (en) * | 2000-05-22 | 2002-01-03 | Hirofumi Ninomiya | Graphitized cathode block for aluminum smelting |
| JP2002266091A (ja) * | 2001-03-09 | 2002-09-18 | Sec Corp | アルミニウム製錬用黒鉛化カソードブロック |
| CN1485464A (zh) * | 2003-09-02 | 2004-03-31 | 中国铝业股份有限公司 | 一种铝电解槽用阴极炭块的生产方法 |
-
2004
- 2004-04-15 CN CNB2004100260895A patent/CN100350077C/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000086343A (ja) * | 1998-09-09 | 2000-03-28 | Sec Corp | 炭素複合材料及びその製造方法 |
| US20020000373A1 (en) * | 2000-05-22 | 2002-01-03 | Hirofumi Ninomiya | Graphitized cathode block for aluminum smelting |
| JP2002266091A (ja) * | 2001-03-09 | 2002-09-18 | Sec Corp | アルミニウム製錬用黒鉛化カソードブロック |
| CN1485464A (zh) * | 2003-09-02 | 2004-03-31 | 中国铝业股份有限公司 | 一种铝电解槽用阴极炭块的生产方法 |
Non-Patent Citations (2)
| Title |
|---|
| 电极工业的发展述评 王占清.炭素,第2期 1981 * |
| 铝用炭素材料(续7) 王平甫等.炭素技术,第6期 2000 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1683597A (zh) | 2005-10-19 |
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Owner name: BEIJING FANGDA CARBON SCIENCE CO., LTD. Free format text: FORMER OWNER: FANGDA CARBON NEW MATERIALS SCIENCE CO., LTD. Effective date: 20090703 |
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Effective date of registration: 20090703 Address after: No. 188, No. fifteen, zone 9, South Fourth Ring Road, Beijing, Fengtai District Patentee after: Beijing Fangda Carbon Technology Co Ltd Address before: Hai Shi Zhen Honggu District of Gansu city of Lanzhou province No. 354 Patentee before: Fangda Carbon New Materials Technology Co., Ltd. |
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Owner name: FANGDA CARBON NEW MATERIALS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING FANGDA CARBON TECH CO., LTD. Effective date: 20101213 |
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Effective date of registration: 20101213 Address after: The sea town of Shiwan city of Lanzhou province Gansu 730084 Honggu District No. 354 Patentee after: Fangda Carbon New Materials Technology Co., Ltd. Address before: 100070, No. 188, No. fifteen, zone 9, South Fourth Ring Road, Beijing, Fengtai District [park] Patentee before: Beijing Fangda Carbon Technology Co Ltd |
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Granted publication date: 20071121 Termination date: 20140415 |