JP2019116684A - 炭材内装粒子の製造方法および炭材内装焼結鉱の製造方法 - Google Patents
炭材内装粒子の製造方法および炭材内装焼結鉱の製造方法 Download PDFInfo
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- JP2019116684A JP2019116684A JP2018219090A JP2018219090A JP2019116684A JP 2019116684 A JP2019116684 A JP 2019116684A JP 2018219090 A JP2018219090 A JP 2018219090A JP 2018219090 A JP2018219090 A JP 2018219090A JP 2019116684 A JP2019116684 A JP 2019116684A
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- 239000008187 granular material Substances 0.000 claims description 4
- 239000012256 powdered iron Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 40
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
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- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 3
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
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Abstract
Description
(1)粉状の鉄含有原料と、石灰含有原料と、セメント粉と、を混合して混合粉とし、
前記混合粉と、炭材とを造粒して、炭材核の周囲に前記混合粉からなる外層が形成された炭材内装粒子を製造する、炭材内装粒子の製造方法。
(2)前記混合粉に対するセメント粉の配合割合が1質量%以上10質量%以下になるように前記セメント粉を配合する、(1)に記載の炭材内装粒子の製造方法。
(3)(1)または(2)に記載の炭材内装粒子の製造方法で製造された炭材内装粒子を、鉄含有原料と、副原料と、凝結材と、を混合、造粒した造粒粒子に配合して焼結原料とし、前記焼結原料を焼結機のパレットに装入して焼結する、炭材内装焼結鉱の製造方法。
12 鉄鉱石粉
14 貯蔵槽
16 生石灰
18 貯蔵槽
20 セメント粉
22 貯蔵槽
24 搬送機
26 水
28 混練機
30 混合粉
32 コークス粒子
34 貯蔵槽
36 搬送機
38 造粒機
40 炭材内装粒子
50 原料
52 造粒機
60 下方吸引式焼結機
70 高炉
100 炭材内装焼結鉱の製造工程
Claims (3)
- 粉状の鉄含有原料と、石灰含有原料と、セメント粉と、を混合して混合粉とし、
前記混合粉と、炭材とを造粒して、炭材核の周囲に前記混合粉からなる外層が形成された炭材内装粒子を製造する、炭材内装粒子の製造方法。 - 前記混合粉に対するセメント粉の配合割合が1質量%以上10質量%以下になるように前記セメント粉を配合する、請求項1に記載の炭材内装粒子の製造方法。
- 請求項1または請求項2に記載の炭材内装粒子の製造方法で製造された炭材内装粒子を、鉄含有原料と、副原料と、凝結材と、を混合、造粒した造粒粒子に配合して焼結原料とし、
前記焼結原料を焼結機のパレットに装入して焼結する、炭材内装焼結鉱の製造方法。
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JP2019116684A true JP2019116684A (ja) | 2019-07-18 |
JP6885386B2 JP6885386B2 (ja) | 2021-06-16 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02228428A (ja) * | 1989-03-02 | 1990-09-11 | Sumitomo Metal Ind Ltd | 高炉装入物およびその製造方法 |
JPH0860257A (ja) * | 1994-08-12 | 1996-03-05 | Kobe Steel Ltd | 鉄鉱石焼結機操業方法 |
JP2000192153A (ja) * | 1998-12-25 | 2000-07-11 | Nkk Corp | 焼結鉱およびその製造方法、ならびに高炉操業方法 |
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- 2018-11-22 JP JP2018219090A patent/JP6885386B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02228428A (ja) * | 1989-03-02 | 1990-09-11 | Sumitomo Metal Ind Ltd | 高炉装入物およびその製造方法 |
JPH0860257A (ja) * | 1994-08-12 | 1996-03-05 | Kobe Steel Ltd | 鉄鉱石焼結機操業方法 |
JP2000192153A (ja) * | 1998-12-25 | 2000-07-11 | Nkk Corp | 焼結鉱およびその製造方法、ならびに高炉操業方法 |
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