JP4908456B2 - 銅の製錬方法 - Google Patents
銅の製錬方法 Download PDFInfo
- Publication number
- JP4908456B2 JP4908456B2 JP2008144706A JP2008144706A JP4908456B2 JP 4908456 B2 JP4908456 B2 JP 4908456B2 JP 2008144706 A JP2008144706 A JP 2008144706A JP 2008144706 A JP2008144706 A JP 2008144706A JP 4908456 B2 JP4908456 B2 JP 4908456B2
- Authority
- JP
- Japan
- Prior art keywords
- copper
- furnace
- oxygen
- slag
- pig iron
- 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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- 239000010949 copper Substances 0.000 title claims description 61
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 57
- 229910052802 copper Inorganic materials 0.000 title claims description 57
- 238000003723 Smelting Methods 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 19
- 229910000805 Pig iron Inorganic materials 0.000 claims description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 27
- 229910052760 oxygen Inorganic materials 0.000 claims description 27
- 239000001301 oxygen Substances 0.000 claims description 27
- 239000002893 slag Substances 0.000 claims description 26
- 239000012141 concentrate Substances 0.000 claims description 20
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- 239000011593 sulfur Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- YPFNIPKMNMDDDB-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(2-hydroxyethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OCCN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O YPFNIPKMNMDDDB-UHFFFAOYSA-K 0.000 claims 1
- 239000003570 air Substances 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 32
- 239000000571 coke Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 230000001603 reducing effect Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/0047—Smelting or converting flash smelting or converting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0028—Smelting or converting
- C22B15/0052—Reduction smelting or converting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0054—Slag, slime, speiss, or dross treating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
図1は、銅の製錬方法の一実施形態に使用する自溶炉100の概略図である。図1に示すように、自溶炉100は、反応塔10、セットラ20およびアップテイク30が順に配置された構造を有する。反応塔10の上部には、精鉱バーナ40が設けられている。
CuFeS2+SiO2+O2→Cu2S・FeS+2FeO・SiO2+SO2 + 反応熱 (1)
実施例1〜実施例4においては、熱源としてのコークス材を供給することなく、銑鉄をスラグに供給した。銑鉄として、Feを90重量%〜96重量%含有し、Cを2重量%〜6重量%含有し、銅を1重量%〜5重量%含有し、真比重3〜8であり、粒径0.3mm〜8mm程度のものを用いた。銑鉄の添加量、銅精鉱中のS/Cu重量比、酸素富化空気中の酸素濃度、マット中銅品位およびスラグ中銅品位を表1に示す。なお、表1において、銑鉄添加量は、自溶炉への銅精鉱、珪酸鉱および所内繰返物の混合物等の総量1tあたりの銑鉄添加量として示されている。
比較例においては、銑鉄を添加せずに、コークス材を添加した。その他の条件を表1に示す。
実施例1〜4および比較例に係るマット温度、スラグ温度およびスラグ中のFe3O4濃度を測定した。その結果を表2に示す。
20 セットラ
30 アップテイク
40 精鉱バーナ
50 マット
60 スラグ
100 自溶炉
Claims (8)
- 炉内に、銑鉄以外の還元剤を供給することなく、酸素富化空気、溶剤および銅精鉱を供給する工程と、
前記炉内で生じるスラグに、銑鉄を供給する工程と、を含み、
前記銅精鉱中の硫黄/銅の重量比は、0.85〜1.15であり、
前記銑鉄は、粒径が0.3mm〜8mmであり、
前記酸素富化空気中の酸素濃度は、60体積%〜90体積%であることを特徴とする銅の製錬方法。 - 前記炉内で生じるマット中の銅品位を64重量%〜69重量%に調整する工程をさらに含むことを特徴とする請求項1記載の銅の製錬方法。
- 前記炉内で生じるマット中の銅品位を66重量%〜69重量%に調整する工程をさらに含むことを特徴とする請求項1または2記載の銅の製錬方法。
- 前記スラグ中の銅品位を0.65重量%〜0.95重量%に調整する工程をさらに含むことを特徴とする請求項1〜3のいずれかに記載の銅の製錬方法。
- 前記酸素富化空気中の酸素濃度は、70体積%〜80体積%であることを特徴とする請求項1〜4のいずれかに記載の銅の製錬方法。
- 前記炉は、自溶炉であることを特徴とする請求項1〜5のいずれかに記載の銅の製錬方法。
- 前記銑鉄は、炭素を1重量%〜6重量%含有し、銅を1重量%〜30重量%含有することを特徴とする請求項1〜6のいずれかに記載の銅の製錬方法。
- 酸素富化空気中の酸素濃度を上下させて前記炉内のマットおよびスラグの温度を調節する工程をさらに含むことを特徴とする請求項1〜7のいずれかに記載の銅の製錬方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008144706A JP4908456B2 (ja) | 2008-06-02 | 2008-06-02 | 銅の製錬方法 |
KR1020080100905A KR20090125680A (ko) | 2008-06-02 | 2008-10-15 | 구리의 제련 방법 |
CNA2008101746080A CN101597694A (zh) | 2008-06-02 | 2008-10-28 | 铜的精炼方法 |
US12/432,598 US8382879B2 (en) | 2008-06-02 | 2009-04-29 | Copper smelting method |
CL2009001325A CL2009001325A1 (es) | 2008-06-02 | 2009-05-29 | Metodo para fundir cobre, sin suministrar un material de coque, y suministrar un lingote de fundicion en el horno. |
KR1020110067497A KR101411076B1 (ko) | 2008-06-02 | 2011-07-07 | 구리 제련 자용로의 조업 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008144706A JP4908456B2 (ja) | 2008-06-02 | 2008-06-02 | 銅の製錬方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009293054A JP2009293054A (ja) | 2009-12-17 |
JP4908456B2 true JP4908456B2 (ja) | 2012-04-04 |
Family
ID=41378146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008144706A Active JP4908456B2 (ja) | 2008-06-02 | 2008-06-02 | 銅の製錬方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8382879B2 (ja) |
JP (1) | JP4908456B2 (ja) |
KR (2) | KR20090125680A (ja) |
CN (1) | CN101597694A (ja) |
CL (1) | CL2009001325A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102162037B (zh) * | 2011-04-11 | 2012-11-21 | 宁波金田冶炼有限公司 | 铜精炼渣的一种贫化方法 |
CN103451448B (zh) * | 2013-09-09 | 2014-08-27 | 钟文华 | 废杂铜火法精炼的配料及冶炼方法 |
JP6466869B2 (ja) * | 2016-02-29 | 2019-02-06 | パンパシフィック・カッパー株式会社 | 銅製錬炉の操業方法 |
CN116121554B (zh) * | 2023-02-28 | 2024-01-19 | 江西省金瑞环保科技有限公司 | 一种采用富氧熔炼炉回收铜的方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4337086A (en) * | 1978-12-21 | 1982-06-29 | Queneau Paul Etienne | Method for decreasing metal losses in nonferrous smelting operations |
JPS58221241A (ja) | 1982-06-16 | 1983-12-22 | Mitsui Mining & Smelting Co Ltd | 粉コ−クスを用いる自「鎔」炉製錬法 |
US4470845A (en) * | 1983-01-05 | 1984-09-11 | Newmont Mining Corporation | Continuous process for copper smelting and converting in a single furnace by oxygen injection |
JP3217675B2 (ja) | 1994-12-08 | 2001-10-09 | 日鉱金属株式会社 | 銅の乾式製錬法 |
JP3302563B2 (ja) * | 1996-05-28 | 2002-07-15 | 日鉱金属株式会社 | 銅の乾式製錬法 |
JP3529317B2 (ja) * | 2000-03-03 | 2004-05-24 | 日鉱金属株式会社 | 銅製錬炉の操業方法 |
JP3747155B2 (ja) | 2000-12-19 | 2006-02-22 | 日鉱金属株式会社 | 錬銅炉の操業方法 |
JP4090219B2 (ja) * | 2001-06-04 | 2008-05-28 | 日鉱金属株式会社 | 銅製錬炉への鉄含有物投入装置及びその使用方法 |
JP3969522B2 (ja) * | 2001-08-24 | 2007-09-05 | 日鉱金属株式会社 | 銅製錬炉の操業方法 |
FI115536B (fi) * | 2001-09-21 | 2005-05-31 | Outokumpu Oy | Menetelmä raakakuparin tuottamiseksi |
JP3817601B2 (ja) | 2002-05-31 | 2006-09-06 | 日鉱金属株式会社 | 銅製錬における錬銅炉のカラミ処理方法 |
FI116069B (fi) | 2002-06-11 | 2005-09-15 | Outokumpu Oy | Menetelmä raakakuparin valmistamiseksi |
JP4096825B2 (ja) * | 2003-06-20 | 2008-06-04 | 日鉱金属株式会社 | 銅製錬炉の操業方法 |
US20040256030A1 (en) | 2003-06-20 | 2004-12-23 | Xia Tang | Corrosion resistant, chromate-free conversion coating for magnesium alloys |
JP4807103B2 (ja) * | 2006-02-28 | 2011-11-02 | Jfeスチール株式会社 | 高炉操業方法 |
JP4205730B2 (ja) * | 2006-03-31 | 2009-01-07 | 日鉱金属株式会社 | スラグ中の金属溶出を防止する銅製錬方法 |
-
2008
- 2008-06-02 JP JP2008144706A patent/JP4908456B2/ja active Active
- 2008-10-15 KR KR1020080100905A patent/KR20090125680A/ko not_active Application Discontinuation
- 2008-10-28 CN CNA2008101746080A patent/CN101597694A/zh active Pending
-
2009
- 2009-04-29 US US12/432,598 patent/US8382879B2/en active Active
- 2009-05-29 CL CL2009001325A patent/CL2009001325A1/es unknown
-
2011
- 2011-07-07 KR KR1020110067497A patent/KR101411076B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2009293054A (ja) | 2009-12-17 |
KR20090125680A (ko) | 2009-12-07 |
KR20110084395A (ko) | 2011-07-22 |
US20090293678A1 (en) | 2009-12-03 |
US8382879B2 (en) | 2013-02-26 |
KR101411076B1 (ko) | 2014-06-25 |
CN101597694A (zh) | 2009-12-09 |
CL2009001325A1 (es) | 2009-10-23 |
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