CN100560739C - 一种综合利用煤气和粉矿的熔融还原炼铁工艺 - Google Patents
一种综合利用煤气和粉矿的熔融还原炼铁工艺 Download PDFInfo
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- CN100560739C CN100560739C CNB2006101167271A CN200610116727A CN100560739C CN 100560739 C CN100560739 C CN 100560739C CN B2006101167271 A CNB2006101167271 A CN B2006101167271A CN 200610116727 A CN200610116727 A CN 200610116727A CN 100560739 C CN100560739 C CN 100560739C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
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Abstract
Description
铁矿 | 球团 | 块矿 |
百分含量,% | 56 | 44 |
水分,% | 1 | 1 |
吨铁水耗量,kg | 737~820 | 579~644 |
粒度范围,mm | 8~16 | 10~25 |
筛下,mm | ~8 | ~10 |
<5% | <5% | |
筛上,mm | 16~50 | 25~50 |
<5% | <5% | |
抗压强度,daN/P | >300 | |
成分 | %wf | %wf |
Fe<sub>tot</sub> | 65.83 | 66.59 |
Fe<sub>2</sub>O<sub>3</sub> | 94.04 | 94.66 |
CaO | 1.23 | 0.04 |
MgO | 0.17 | 0.05 |
SiO<sub>2</sub> | 2.72 | 2.97 |
Al<sub>2</sub>O<sub>3</sub> | 0.45 | 1.02 |
MnO | 0.05 | |
TiO<sub>2</sub> | 0.15 | 0.05 |
Na<sub>2</sub>O | 0.02 | |
K<sub>2</sub>O | 0.15 | |
P<sub>2</sub>O<sub>5</sub> | 0.04 | 0.09 |
SO<sub>3</sub> | 0.02 | 0.04 |
CO<sub>2</sub> | 0.40 | |
Balance | 0.79 | 0.44 |
粒度大小(mm) | +8 | 5~6 | 3~5 | 1~3 | 0.5~1 | 0.25~0.5 | 0.125~0.25 | ~0.125 |
百分比(大约%) | 3 | 15.5 | 16.6 | 24.6 | 11.4 | 10.2 | 4.9 | 17.6 |
CaO | MgO | SiO<sub>2</sub> | Al<sub>2</sub>O<sub>3</sub> | FeO | B<sub>2</sub> | B<sub>3</sub> | B<sub>4</sub> |
39.4% | 8.6% | 34.3% | 11.02% | 0.50% | 1.15 | 1.40 | 1.06 |
温度℃ | C | Si | S |
1450~1550 | 4.0~5.0 | 0.2~0.8 | <0.030 |
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CNB2006101167271A CN100560739C (zh) | 2006-09-29 | 2006-09-29 | 一种综合利用煤气和粉矿的熔融还原炼铁工艺 |
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CNB2006101167271A CN100560739C (zh) | 2006-09-29 | 2006-09-29 | 一种综合利用煤气和粉矿的熔融还原炼铁工艺 |
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CN101153349A CN101153349A (zh) | 2008-04-02 |
CN100560739C true CN100560739C (zh) | 2009-11-18 |
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Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101643807B (zh) * | 2009-09-15 | 2011-06-15 | 贾会平 | 蓄热式电弧炉熔融炼铁装置 |
CN102146490B (zh) * | 2010-02-09 | 2012-11-28 | 贾会平 | 一种还原炼铁的方法和装置 |
CN101892339B (zh) * | 2010-07-27 | 2012-06-27 | 中冶赛迪工程技术股份有限公司 | 一种熔融还原装置及方法 |
CN102329949A (zh) * | 2011-10-21 | 2012-01-25 | 中冶赛迪上海工程技术有限公司 | 高温除尘灰综合处理工艺 |
CN102337369B (zh) * | 2011-10-27 | 2014-02-05 | 北京首钢国际工程技术有限公司 | 高风温旋流喷射扰动熔融还原和预还原联合装置及方法 |
CN102703635A (zh) * | 2012-07-02 | 2012-10-03 | 昆明理工大学 | 一种电炉直接还原炼铁的方法 |
KR101561278B1 (ko) * | 2013-11-04 | 2015-10-16 | 주식회사 포스코 | 용철 제조 설비의 환원가스 제진장치 및 제진방법 |
CN103725819B (zh) * | 2013-12-31 | 2015-06-03 | 中国科学院过程工程研究所 | 一种铁矿粉流态化还原***及方法 |
CN103695588B (zh) | 2013-12-31 | 2015-04-01 | 中国科学院过程工程研究所 | 一种流化床还原粉状铁矿石的***和方法 |
CN103667571B (zh) * | 2013-12-31 | 2015-06-03 | 中国科学院过程工程研究所 | 一种铁精矿粉体流态化直接还原的***及方法 |
CN105296698A (zh) * | 2014-07-30 | 2016-02-03 | 宝山钢铁股份有限公司 | 一种利用煤气和半焦的熔融还原炼铁方法 |
CN105586456A (zh) * | 2016-02-29 | 2016-05-18 | 北京神雾环境能源科技集团股份有限公司 | 氧气高炉与气基竖炉联合生产***和联合生产方法 |
CN108485723B (zh) * | 2018-04-24 | 2021-06-08 | 东北大学 | 一种易燃易爆无组织放散煤气回收利用***及工艺 |
CN110578029B (zh) * | 2019-09-25 | 2020-11-10 | 山东大学 | 一种两段式下降气流床炼铁***及炼铁工艺 |
CN111218535A (zh) * | 2020-03-15 | 2020-06-02 | 苏亚杰 | 熔铁浴煤制气加热循环还原气生产直接还原铁的方法 |
CN115820965A (zh) * | 2022-10-31 | 2023-03-21 | 山东祥桓环境科技有限公司 | 一种节能降耗的熔融还原铁热质循环的***及方法 |
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Effective date of registration: 20130108 Address after: 200122 No. 370 Pu circuit, Shanghai, Pudong New Area Patentee after: Baosteel Group Corporation Address before: 201900 Fujin Road, Shanghai, orchard, Baoshan District Patentee before: Baoshan Iron & Steel Co., Ltd. |
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Effective date of registration: 20200623 Address after: 830022 No. 1 Bayi Road, Toutun River District, the Xinjiang Uygur Autonomous Region, Urumqi Patentee after: XINJIANG BAYI IRON & STEEL Co.,Ltd. Address before: 200122 No. 370 Pu circuit, Shanghai, Pudong New Area Patentee before: BAOSTEEL Group Corp. |