JPH0377853B2 - - Google Patents
Info
- Publication number
- JPH0377853B2 JPH0377853B2 JP29457487A JP29457487A JPH0377853B2 JP H0377853 B2 JPH0377853 B2 JP H0377853B2 JP 29457487 A JP29457487 A JP 29457487A JP 29457487 A JP29457487 A JP 29457487A JP H0377853 B2 JPH0377853 B2 JP H0377853B2
- Authority
- JP
- Japan
- Prior art keywords
- pellets
- self
- sio
- pellet
- fusing
- 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.)
- Expired
Links
- 239000008188 pellet Substances 0.000 claims description 79
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 27
- 238000010304 firing Methods 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 20
- 239000010459 dolomite Substances 0.000 claims description 11
- 229910000514 dolomite Inorganic materials 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 235000019738 Limestone Nutrition 0.000 claims description 7
- 239000006028 limestone Substances 0.000 claims description 7
- 239000012256 powdered iron Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical group O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29457487A JPH01136936A (ja) | 1987-11-20 | 1987-11-20 | 高炉装入用自溶性ペレットの製造方法 |
| AU24723/88A AU594003B2 (en) | 1987-11-20 | 1988-11-04 | Self-fluxing pellets to be charged into blast furnace, and method for producing same |
| US07/679,828 US5127940A (en) | 1987-11-04 | 1991-04-01 | Self-fluxing pellets to be charged into blast furnace, and method for producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29457487A JPH01136936A (ja) | 1987-11-20 | 1987-11-20 | 高炉装入用自溶性ペレットの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136936A JPH01136936A (ja) | 1989-05-30 |
| JPH0377853B2 true JPH0377853B2 (de) | 1991-12-11 |
Family
ID=17809541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29457487A Granted JPH01136936A (ja) | 1987-11-04 | 1987-11-20 | 高炉装入用自溶性ペレットの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136936A (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009081784A1 (ja) | 2007-12-20 | 2009-07-02 | Kabushiki Kaisha Kobe Seiko Sho | 高炉用自溶性ペレットおよびその製造方法 |
| WO2025023052A1 (ja) | 2023-07-25 | 2025-01-30 | Ｊｆｅスチール株式会社 | 高炉操業方法 |
| WO2025023053A1 (ja) | 2023-07-25 | 2025-01-30 | Ｊｆｅスチール株式会社 | ガス還元率測定方法、高炉操業方法、直接還元シャフト炉の操業方法及び鉄原料 |
| WO2025028220A1 (ja) | 2023-08-02 | 2025-02-06 | Ｊｆｅスチール株式会社 | 高炉操業方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4630304B2 (ja) * | 2007-05-08 | 2011-02-09 | 株式会社神戸製鋼所 | 高炉用自溶性ペレットおよびその製造方法 |
| JP7440768B2 (ja) * | 2020-08-18 | 2024-02-29 | 日本製鉄株式会社 | 高炉用焼成ペレット及び高炉用焼成ペレットの製造方法 |
| JP7689856B2 (ja) | 2021-04-01 | 2025-06-09 | 株式会社神戸製鋼所 | 鉄鉱石ペレットの製造方法 |
-
1987
- 1987-11-20 JP JP29457487A patent/JPH01136936A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009081784A1 (ja) | 2007-12-20 | 2009-07-02 | Kabushiki Kaisha Kobe Seiko Sho | 高炉用自溶性ペレットおよびその製造方法 |
| WO2025023052A1 (ja) | 2023-07-25 | 2025-01-30 | Ｊｆｅスチール株式会社 | 高炉操業方法 |
| WO2025023053A1 (ja) | 2023-07-25 | 2025-01-30 | Ｊｆｅスチール株式会社 | ガス還元率測定方法、高炉操業方法、直接還元シャフト炉の操業方法及び鉄原料 |
| WO2025028220A1 (ja) | 2023-08-02 | 2025-02-06 | Ｊｆｅスチール株式会社 | 高炉操業方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01136936A (ja) | 1989-05-30 |
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