JPS6156303B2 - - Google Patents
Info
- Publication number
- JPS6156303B2 JPS6156303B2 JP19729681A JP19729681A JPS6156303B2 JP S6156303 B2 JPS6156303 B2 JP S6156303B2 JP 19729681 A JP19729681 A JP 19729681A JP 19729681 A JP19729681 A JP 19729681A JP S6156303 B2 JPS6156303 B2 JP S6156303B2
- Authority
- JP
- Japan
- Prior art keywords
- ore
- reduction furnace
- reduction
- amount
- chromium ore
- 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 48
- 239000011651 chromium Substances 0.000 claims description 48
- 229910052804 chromium Inorganic materials 0.000 claims description 47
- 239000000571 coke Substances 0.000 claims description 38
- 239000003575 carbonaceous material Substances 0.000 claims description 28
- 238000003723 Smelting Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 description 80
- 239000007789 gas Substances 0.000 description 52
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910000604 Ferrochrome Inorganic materials 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005243 fluidization Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19729681A JPS58100640A (ja) | 1981-12-08 | 1981-12-08 | クロム鉱石の予備還元法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19729681A JPS58100640A (ja) | 1981-12-08 | 1981-12-08 | クロム鉱石の予備還元法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58100640A JPS58100640A (ja) | 1983-06-15 |
| JPS6156303B2 true JPS6156303B2 (enrdf_load_stackoverflow) | 1986-12-02 |
Family
ID=16372096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19729681A Granted JPS58100640A (ja) | 1981-12-08 | 1981-12-08 | クロム鉱石の予備還元法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58100640A (enrdf_load_stackoverflow) |
-
1981
- 1981-12-08 JP JP19729681A patent/JPS58100640A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58100640A (ja) | 1983-06-15 |
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