CN107265450B - 一种微细结构石墨的制备方法 - Google Patents
一种微细结构石墨的制备方法 Download PDFInfo
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- CN107265450B CN107265450B CN201710468047.4A CN201710468047A CN107265450B CN 107265450 B CN107265450 B CN 107265450B CN 201710468047 A CN201710468047 A CN 201710468047A CN 107265450 B CN107265450 B CN 107265450B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000010439 graphite Substances 0.000 title claims abstract description 30
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000006253 pitch coke Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000005087 graphitization Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000002562 thickening agent Substances 0.000 claims abstract description 15
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- 239000003610 charcoal Substances 0.000 claims abstract description 13
- 238000007598 dipping method Methods 0.000 claims abstract description 13
- 238000000462 isostatic pressing Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 11
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- 239000000725 suspension Substances 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 15
- 238000001354 calcination Methods 0.000 claims description 12
- 238000005470 impregnation Methods 0.000 claims description 12
- 239000011294 coal tar pitch Substances 0.000 claims description 11
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000003763 carbonization Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 8
- 239000011295 pitch Substances 0.000 claims description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 2
- 239000011300 coal pitch Substances 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 5
- 239000010426 asphalt Substances 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 239000011305 binder pitch Substances 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 23
- 150000003839 salts Chemical class 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 239000003245 coal Substances 0.000 description 6
- 239000007770 graphite material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
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CN107265450A CN107265450A (zh) | 2017-10-20 |
CN107265450B true CN107265450B (zh) | 2019-06-25 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108623305B (zh) * | 2018-06-04 | 2020-07-10 | 中钢集团新型材料(浙江)有限公司 | 一种高密度超细孔径石墨的制备方法 |
CN109081695B (zh) * | 2018-07-24 | 2020-11-03 | 中钢集团新型材料(浙江)有限公司 | 熔盐堆用高密度大尺寸超细孔径核石墨材料的制备方法 |
CN108821770B (zh) * | 2018-07-24 | 2019-09-10 | 哈尔滨电碳厂 | 一种高性能石墨密封材料的制备方法 |
CN109319775B (zh) * | 2018-11-19 | 2020-10-02 | 成都炭素有限责任公司 | 一种短流程高密高强各向同性石墨的制备方法 |
CN112158834A (zh) * | 2020-09-07 | 2021-01-01 | 中国科学院山西煤炭化学研究所 | 一种炭黑改性煤沥青制备高性能石墨的方法 |
CN112723887B (zh) * | 2020-12-31 | 2022-11-08 | 中国人民解放军96901部队23分队 | 一种电离室用高致密超细颗粒石墨的制备方法 |
CN113603487A (zh) * | 2021-08-24 | 2021-11-05 | 郑州丰毅新材料科技有限公司 | 一种规格大粒度细的石墨及其制备工艺 |
CN113816370B (zh) * | 2021-11-23 | 2022-02-08 | 山西沁新能源集团股份有限公司 | 煤基石墨复合材料及制备方法和使用该材料的电池 |
CN114634361A (zh) * | 2022-03-02 | 2022-06-17 | 五星新材科技有限公司 | 一种细结构各项同性等静压石墨的制备方法 |
CN114853474B (zh) * | 2022-04-28 | 2023-05-09 | 湖南大学 | 一种发动机主轴支点密封用高强炭石墨材料及其制备方法 |
CN116354741A (zh) * | 2022-12-21 | 2023-06-30 | 中国人民解放军96901部队23分队 | 一种模板法制备低密度多级孔等静压石墨材料的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101648808A (zh) * | 2009-09-15 | 2010-02-17 | 中国科学院山西煤炭化学研究所 | 一种石墨材料的制备方法 |
CN105271197A (zh) * | 2015-11-04 | 2016-01-27 | 湖南大学 | 一种制备高强高密各向同性石墨材料的方法 |
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CN101648808A (zh) * | 2009-09-15 | 2010-02-17 | 中国科学院山西煤炭化学研究所 | 一种石墨材料的制备方法 |
CN105271197A (zh) * | 2015-11-04 | 2016-01-27 | 湖南大学 | 一种制备高强高密各向同性石墨材料的方法 |
Non-Patent Citations (1)
Title |
---|
熔盐堆用超细颗粒石墨结构和熔盐浸渗研究;张文婷等;《新型炭材料》;20161231;第31卷(第6期);第585-593页 * |
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Address after: 467000, No.1 Kaiyuan 2nd Road, Baofeng High tech Development Zone, Pingdingshan City, Henan Province Patentee after: Henan Wuxing New Materials Technology Co.,Ltd. Country or region after: China Address before: 467400 No.1, Kaiyuan 2nd Road, Baofeng County Industrial Cluster, Pingdingshan City, Henan Province Patentee before: Wuxing New Material Technology Co.,Ltd. Country or region before: China |
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