EP1927666A1 - Verhüttungsverfahren für ferronickel mit kristallwasser enthaltendem nickeloxiderz in einem hochofen - Google Patents

Verhüttungsverfahren für ferronickel mit kristallwasser enthaltendem nickeloxiderz in einem hochofen Download PDF

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Publication number
EP1927666A1
EP1927666A1 EP05801995A EP05801995A EP1927666A1 EP 1927666 A1 EP1927666 A1 EP 1927666A1 EP 05801995 A EP05801995 A EP 05801995A EP 05801995 A EP05801995 A EP 05801995A EP 1927666 A1 EP1927666 A1 EP 1927666A1
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EP
European Patent Office
Prior art keywords
ore
limestone
dolomite
blast
ferronickel
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
Application number
EP05801995A
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English (en)
French (fr)
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EP1927666A4 (de
EP1927666B1 (de
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Shenjie Liu
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Publication of EP1927666A4 publication Critical patent/EP1927666A4/de
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/02—General features in the manufacture of pig-iron by applying additives, e.g. fluxing agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/005—Preliminary treatment of ores, e.g. by roasting or by the Krupp-Renn process
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/023—Obtaining nickel or cobalt by dry processes with formation of ferro-nickel or ferro-cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2413—Binding; Briquetting ; Granulating enduration of pellets

Definitions

  • the present invention relates to a method of blast-furnace smelting, more particularly to a metallurgical method of ferronickel by blast-furnace smelting nickel oxide ore with crystal water.
  • Blast-furnace smelting may also be use, however, because Cr 2 O 3 as concomitant commonly exists in laterite nickel ore, extremely high melting point of its own can lead to large viscosity of molten iron water so that iron water containing nickel and chrome can't flow out successfully and cause severe results such as frozen furnace and damaged furnace.
  • ferronickel nickel iron
  • the present invention provides a metallurgical method of ferronickel by blast-furnace smelting nickel oxide ore containing crystal water in one-step way.
  • the invention provides a metallurgical method of ferronickel by blast-furnace smelting nickel oxide ore containing crystal water, mainly comprising the steps as follows: Crushing and sieving raw ores, mixing the feed of ore powder in grain diameter smaller than 2mm thereof with coke powder, calcium lime/limestone and sintering to obtain sintered ore blocks ; Mixing sintered ore blocks, coke, limestone/calcium lime, dolomite and fluorite and blast-furnace smelting to obtain ferronickel; wherein, the weight ratio of the following additives to sintered ore is: fluorite 0.3 ⁇ 20% dolomite 0 ⁇ 8% limestone/calcium lime 4 ⁇ 35%.
  • the metallurgical method of ferronickel by blast-furnace smelting nickel oxide ore with crystal water in the present invention further includes the following steps: Crushing and sieving the sintered blocks obtained by first sintering by means of a sieve in 300-500 meshes, and then producing refined ore powder by magnetic sorting. Mixing the feed of the refined ore powder with coke powder, calcium lime/limestone and sintering to obtain sintered ore blocks. Mixing the sintered ore blocks obtained by second sintering with coke, lime/limestone, dolomite and fluorite, and then blast-furnace smelting to obtain ferronickel.
  • the main component of nickel oxide ore and the weight ratio of its own are : Nickel: 0.5 ⁇ 4%; Chrome: 0.3 ⁇ 12%; iron: 7 ⁇ 55%.
  • the preferable weight ratio of the additives to the sintered ore is: fluorite 0.3 ⁇ 10% dolomite 0.5 ⁇ 5% limestone/calcium lime 8 ⁇ 20%.
  • the content of CaO in limestone is greater than 50%, while that of CaO in calcium lime is greater than 80%; the content of Mg in the dolomite is higher than 10% and that of CaF in dolomite is bigger than 80%.
  • furnace temperature can reach up to about 1700 ° C in the conventional blast-furnace smelting technology
  • chrome contained in nickel oxide ore mainly exists in the form of Cr 2 O 3 whose melting point is about 2300° C, consequently, the reduction degree of chrome in nickel oxide ore is limited to cause bad fluidity of the obtained iron water and easily to produce phenomenon of frozen furnace, and even result in accidents.
  • the metallurgical method of one-step blast-furnace smelting provided by the present invention is characterized by short technical process, high yield of continuous production, total extraction of nickel, chrome and iron in laterite nickel ore once for all, high ratio of resource utilization.
  • the slag obtained by smelting is an excellent raw material to produce concrete, except the exhaustion of a given mass of CO 2 gas, no other solid or liquid wastes are produced and there is no pollution.
  • the metallurgical technology of blast-furnace smelting provided by the present invention has some advantages, for example low cost.
  • Blast furnace in the technology provided by the present invention can consume 150-200 kilowatt-hours per ton iron, while the conventional ore smelting technology need consume 2000-4000 kilowatt-hours and coke of 0.5 ton per ton iron;
  • high yield namely the mean yield of blast furnace is bigger than that of ore-smelting furnace; such as little pollution, little dust, high recovery rate of the raw materials which are respectively 97 ⁇ 98% for iron, 99% for nickel and 40 ⁇ 50% for chrome.
  • Raw ores in examples are selected from nickel and chrome iron ores imported form Bulgaria.
  • the main components in used nickel and chrome iron ore and its content are: components Series code Fe Ni Cr Ca Si Mg Al 1 7.18 4.37 11.93 18.14 21.08 0.84 6.17 2 17.81 3.21 9.26 16.25 18.27 1.18 5.77 3 26.28 2.68 8.10 14.36 17.35 1.45 4.69 4 36.54 2.30 6.32 11.87 16.09 1.64 3.14 5 43.51 1.83 4.71 8.29 15.14 1.94 2.84 6 54.26 0.57 0.35 4.57 5.88 2.11 2.11
  • the main components in obtained sintered ore and its content are: components Series code Fe Ni Cr Ca Si 1 9.01 4.23 10.29 16.17 19.14 2 23.14 3.60 7.39 14.19 16.32 3 33.83 2.97 7.10 13.24 16.10 4 46.83 2.51 5.48 12.31 14.26 5 55.59 2.13 3.62 7.25 4.77 6 65.51 0.63 0.33 3.67 2.59
  • Metallurgical technology parameters of blast furnace items Type code Crucible diameter Vent diameter fan Wind pressure Capacity of blast furnace 36m 3 2.1m 75mm 230m/s 4200 (mmHg) Capacity of blast furnace 90m 3 2.9m 100mm 380m/s 4600 (mmHg)
  • the main components in the obtained nickel iron by smelting and its content are: components Series code Fe Ni Cr S P 1 48.26 15.10 33.11 0.060 0.061 2 52.31 10.59 23.10 0.059 0.060 3 64.58 8.32 22.38 0.058 0.059 4 75.51 5.98 13.36 0.059 0.062 5 85.29 3.24 7.09 0.057 0.057 6 93.46 0.92 0.63 0.061 0.058

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP05801995.1A 2005-09-16 2005-11-02 Verhüttungsverfahren für ferronickel mit kristallwasser enthaltendem nickeloxiderz in einem hochofen Not-in-force EP1927666B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB200510102985XA CN1300352C (zh) 2005-09-16 2005-09-16 含结晶水的氧化镍矿经高炉冶炼镍铁工艺
PCT/CN2005/001828 WO2006045254A1 (fr) 2005-09-16 2005-11-02 Procédé de fabrication de ferronickel par fusion de minerai d’oxyde de nickel contenant des cristaux d'eau dans un haut-fourneau

Publications (3)

Publication Number Publication Date
EP1927666A1 true EP1927666A1 (de) 2008-06-04
EP1927666A4 EP1927666A4 (de) 2008-12-03
EP1927666B1 EP1927666B1 (de) 2013-04-24

Family

ID=36139000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05801995.1A Not-in-force EP1927666B1 (de) 2005-09-16 2005-11-02 Verhüttungsverfahren für ferronickel mit kristallwasser enthaltendem nickeloxiderz in einem hochofen

Country Status (7)

Country Link
EP (1) EP1927666B1 (de)
JP (1) JP4734415B2 (de)
KR (2) KR20100039907A (de)
CN (1) CN1300352C (de)
AU (1) AU2005299184B2 (de)
MY (1) MY147763A (de)
WO (1) WO2006045254A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103740933A (zh) * 2014-01-24 2014-04-23 温德昌 一种氧化镍物料生产镍铁合金的方法

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CN101020943A (zh) * 2006-07-12 2007-08-22 刘光火 氧化镍矿冶炼镍铬生铁工艺的降磷方法
CN100532579C (zh) * 2007-04-30 2009-08-26 郑州永通特钢有限公司 使用含镍、铬的低品位褐铁矿冶炼低磷不锈钢基料的方法
KR100948926B1 (ko) 2007-07-23 2010-03-24 주식회사 포스코 니켈 함유 용철의 제조 방법
CN101680042B (zh) * 2007-05-11 2013-02-20 Posco公司 制造含镍熔铁的方法
KR101322898B1 (ko) * 2007-05-11 2013-10-29 주식회사 포스코 니켈 함유 용철의 제조 방법
KR101322897B1 (ko) 2007-05-11 2013-10-29 주식회사 포스코 니켈 함유 용철의 제조 방법
CN100478477C (zh) * 2007-07-09 2009-04-15 贵研铂业股份有限公司 一种从红土矿中提取镍铁合金的方法
CN101638730B (zh) * 2008-07-31 2015-03-25 塔塔钢铁有限公司 用于从冶金级铬铁矿精矿细粉生产海绵铬的方法
CN101792866B (zh) * 2010-03-26 2011-08-03 常州市兴昌盛合金制品有限公司 一种利用废氧化铝基镍触媒提炼镍铁的方法
CN102212691A (zh) * 2011-05-20 2011-10-12 营口宝成不锈钢有限公司 一种铬镍铁合金的生产方法
KR101359970B1 (ko) * 2011-12-20 2014-02-12 주식회사 포스코 페로니켈 슬래그의 재활용 방법
CN102719582B (zh) * 2012-07-03 2014-10-29 刘光火 一种冶炼低品位复合矿的工艺
KR101536745B1 (ko) * 2012-12-28 2015-07-15 재단법인 포항산업과학연구원 마그네슘 제련 원료
CN103103366B (zh) * 2013-02-20 2014-07-16 罕王实业集团有限公司 一种硅热法控制节能环保红土镍矿冶炼竖炉温度的方法
JP5991290B2 (ja) * 2013-09-13 2016-09-14 Ｊｆｅスチール株式会社 焼結鉱の製造方法
CN105909679A (zh) * 2016-06-18 2016-08-31 中山市盈科轴承制造有限公司 带dlc涂层的多楔滑轮型双列角接触球轴承
CN111663034B (zh) * 2020-06-28 2022-10-14 宝钢德盛不锈钢有限公司 一种低成本的高炉铁水生产工艺
CN111763823B (zh) * 2020-08-26 2022-05-20 甘肃高能中色环保科技有限公司 一种复杂含镍湿物料生产烧结块的方法
CN112573842B (zh) * 2020-12-29 2022-04-22 中国水利水电第九工程局有限公司 石灰石矿山尾矿白云石用于水泥生产配料方法

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US3746533A (en) * 1972-03-22 1973-07-17 L Moussoulos Process of producing ferro-nickel in a rotary furnace including pelletizing and pre-reducing ore
JPS62290843A (ja) * 1986-06-10 1987-12-17 Nippon Kokan Kk <Nkk> フェロニッケルの製造方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103740933A (zh) * 2014-01-24 2014-04-23 温德昌 一种氧化镍物料生产镍铁合金的方法
CN103740933B (zh) * 2014-01-24 2015-12-02 温德昌 一种氧化镍物料生产镍铁合金的方法

Also Published As

Publication number Publication date
MY147763A (en) 2013-01-31
JP2009508005A (ja) 2009-02-26
JP4734415B2 (ja) 2011-07-27
KR20100039907A (ko) 2010-04-16
WO2006045254A1 (fr) 2006-05-04
CN1300352C (zh) 2007-02-14
KR20070085068A (ko) 2007-08-27
AU2005299184A1 (en) 2006-05-04
EP1927666A4 (de) 2008-12-03
CN1743476A (zh) 2006-03-08
AU2005299184B2 (en) 2009-06-04
EP1927666B1 (de) 2013-04-24

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