JPS6242020B2 - - Google Patents
Info
- Publication number
- JPS6242020B2 JPS6242020B2 JP58020897A JP2089783A JPS6242020B2 JP S6242020 B2 JPS6242020 B2 JP S6242020B2 JP 58020897 A JP58020897 A JP 58020897A JP 2089783 A JP2089783 A JP 2089783A JP S6242020 B2 JPS6242020 B2 JP S6242020B2
- Authority
- JP
- Japan
- Prior art keywords
- chromium
- reduction
- smelting
- pellets
- furnace
- 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
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 81
- 238000003723 Smelting Methods 0.000 claims description 72
- 239000011651 chromium Substances 0.000 claims description 65
- 229910052804 chromium Inorganic materials 0.000 claims description 58
- 239000003575 carbonaceous material Substances 0.000 claims description 36
- 230000002829 reductive effect Effects 0.000 claims description 34
- 238000007664 blowing Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 14
- 229910000599 Cr alloy Inorganic materials 0.000 claims description 8
- 239000000788 chromium alloy Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 235000013980 iron oxide Nutrition 0.000 claims description 4
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 description 125
- 239000002893 slag Substances 0.000 description 52
- 239000008188 pellet Substances 0.000 description 48
- 229910052751 metal Inorganic materials 0.000 description 28
- 239000002184 metal Substances 0.000 description 28
- 239000007789 gas Substances 0.000 description 18
- 238000002844 melting Methods 0.000 description 17
- 230000008018 melting Effects 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- 239000000571 coke Substances 0.000 description 8
- 239000003610 charcoal Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000010405 reoxidation reaction Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910000604 Ferrochrome Inorganic materials 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 5
- 229910000423 chromium oxide Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000013379 molasses Nutrition 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089783A JPS59145758A (ja) | 1983-02-10 | 1983-02-10 | 高クロム合金の溶融還元製錬法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089783A JPS59145758A (ja) | 1983-02-10 | 1983-02-10 | 高クロム合金の溶融還元製錬法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59145758A JPS59145758A (ja) | 1984-08-21 |
| JPS6242020B2 true JPS6242020B2 (US06252093-20010626-C00008.png) | 1987-09-05 |
Family
ID=12040011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2089783A Granted JPS59145758A (ja) | 1983-02-10 | 1983-02-10 | 高クロム合金の溶融還元製錬法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59145758A (US06252093-20010626-C00008.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238349A (ja) * | 1986-04-08 | 1987-10-19 | Sumitomo Metal Ind Ltd | クロム含有溶鉄の製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4834966A (US06252093-20010626-C00008.png) * | 1971-09-09 | 1973-05-23 |
-
1983
- 1983-02-10 JP JP2089783A patent/JPS59145758A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4834966A (US06252093-20010626-C00008.png) * | 1971-09-09 | 1973-05-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59145758A (ja) | 1984-08-21 |
