JPS58100640A - クロム鉱石の予備還元法 - Google Patents
クロム鉱石の予備還元法Info
- Publication number
- JPS58100640A JPS58100640A JP19729681A JP19729681A JPS58100640A JP S58100640 A JPS58100640 A JP S58100640A JP 19729681 A JP19729681 A JP 19729681A JP 19729681 A JP19729681 A JP 19729681A JP S58100640 A JPS58100640 A JP S58100640A
- Authority
- JP
- Japan
- Prior art keywords
- ore
- reduction furnace
- reduction
- chromium ore
- 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.)
- Granted
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000011651 chromium Substances 0.000 title claims abstract description 52
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 16
- 239000007789 gas Substances 0.000 claims abstract description 55
- 239000000571 coke Substances 0.000 claims abstract description 41
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 13
- 238000002844 melting Methods 0.000 abstract description 6
- 230000008018 melting Effects 0.000 abstract description 6
- 229910000604 Ferrochrome Inorganic materials 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract 4
- 238000006722 reduction reaction Methods 0.000 description 80
- 238000003723 Smelting Methods 0.000 description 24
- 239000002245 particle Substances 0.000 description 10
- 238000002156 mixing Methods 0.000 description 5
- 239000003610 charcoal Substances 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 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
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 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 true JPS58100640A (ja) | 1983-06-15 |
| JPS6156303B2 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 |
|---|---|
| JPS6156303B2 (enrdf_load_stackoverflow) | 1986-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3985544A (en) | Method for simultaneous combined production of electrical energy and crude iron | |
| US2986460A (en) | Production of iron | |
| JP2004518020A (ja) | 鉄鉱石を含む装入物から銑鉄又は流動性のある一次鉄を製造する方法及び装置 | |
| CN109680114B (zh) | 一种粉煤气化协同铁矿石还原的系统及方法 | |
| CN111440914A (zh) | 一种近零排放的氢冶金系统 | |
| US2864686A (en) | Method of treating iron oxide fines | |
| CA1089649A (en) | Reduction of metal oxides to sponge metal | |
| US5069716A (en) | Process for the production of liquid steel from iron containing metal oxides | |
| JPS58100640A (ja) | クロム鉱石の予備還元法 | |
| CN115305305A (zh) | 自加热气基竖炉直接还原方法及还原装置 | |
| JPH0699734B2 (ja) | 粉鉄鉱石の循環流動層式予備還元炉 | |
| CN214781945U (zh) | 自加热气基竖炉直接还原装置 | |
| JPS5980706A (ja) | 流動層予備還元炉の操業方法 | |
| JP2990925B2 (ja) | 鉱石または金属酸化物の高速還元方法 | |
| JPH032922B2 (enrdf_load_stackoverflow) | ||
| YAMAOKA et al. | A New Ironmaking Process Consisted of Shaft Type Reduction Furnace and Cupola Type Melting Furnace | |
| CN108217655A (zh) | 一种纳米碳化钨制备系统及制备方法 | |
| JPS59179726A (ja) | 難還元性鉱石の予備還元法 | |
| JPH01149911A (ja) | 溶融還元法 | |
| CN116949236A (zh) | 一种分步还原非高炉生产钢铁的方法及系统 | |
| JPS62230923A (ja) | 溶融還元製鉄法 | |
| JP2837282B2 (ja) | 含クロム溶銑の製造方法 | |
| JPS6187847A (ja) | クロム鉱石の還元法 | |
| JPS62230924A (ja) | 溶融還元鉄の製造方法 | |
| JPS58217615A (ja) | 溶融還元装置における予備還元炉 |