JPH0247529B2 - - Google Patents
Info
- Publication number
- JPH0247529B2 JPH0247529B2 JP23859783A JP23859783A JPH0247529B2 JP H0247529 B2 JPH0247529 B2 JP H0247529B2 JP 23859783 A JP23859783 A JP 23859783A JP 23859783 A JP23859783 A JP 23859783A JP H0247529 B2 JPH0247529 B2 JP H0247529B2
- Authority
- JP
- Japan
- Prior art keywords
- rotary kiln
- cao
- steel dust
- weight
- sio
- 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 - Lifetime
Links
- 239000000428 dust Substances 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 229910052725 zinc Inorganic materials 0.000 claims description 13
- 229910052745 lead Inorganic materials 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 48
- 239000000292 calcium oxide Substances 0.000 description 24
- 235000012255 calcium oxide Nutrition 0.000 description 24
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 20
- 239000011701 zinc Substances 0.000 description 17
- 238000002844 melting Methods 0.000 description 11
- 230000008018 melting Effects 0.000 description 10
- 239000011787 zinc oxide Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000010587 phase diagram Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004261 CaF 2 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
- 239000011449 brick Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- -1 can be used Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58238597A JPS60128228A (ja) | 1983-12-16 | 1983-12-16 | 鉄鋼ダストの還元焙焼方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58238597A JPS60128228A (ja) | 1983-12-16 | 1983-12-16 | 鉄鋼ダストの還元焙焼方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60128228A JPS60128228A (ja) | 1985-07-09 |
| JPH0247529B2 true JPH0247529B2 (de) | 1990-10-22 |
Family
ID=17032554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58238597A Granted JPS60128228A (ja) | 1983-12-16 | 1983-12-16 | 鉄鋼ダストの還元焙焼方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60128228A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802919A (en) * | 1987-07-06 | 1989-02-07 | Westinghouse Electric Corp. | Method for processing oxidic materials in metallurgical waste |
| DE4339591A1 (de) * | 1993-11-20 | 1995-05-24 | Metallgesellschaft Ag | Wälzverfahren zur Aufarbeitung von Zink, Blei und Eisenoxide enthaltenden Materialien |
| JP4564126B2 (ja) * | 2000-03-27 | 2010-10-20 | 住友重機械工業株式会社 | ロータリーキルンを用いた溶鉄製造方法 |
| JP4762420B2 (ja) * | 2001-02-20 | 2011-08-31 | 住友重機械工業株式会社 | ロータリーキルンを用いた酸化鉄の溶融還元方法 |
| AT414127B (de) * | 2004-04-27 | 2006-09-15 | Patco Engineering Gmbh | Verfahren zum rückgewinnen von metallen und/oder metalloxiden aus stahlwerkstäuben |
| JP2009127064A (ja) * | 2007-11-20 | 2009-06-11 | Sumitomo Heavy Ind Ltd | 還元処理装置及び還元処理方法 |
| JP5770118B2 (ja) * | 2012-02-02 | 2015-08-26 | 新日鐵住金株式会社 | 還元鉄の製造方法 |
| JP6090080B2 (ja) * | 2013-09-20 | 2017-03-08 | 住友金属鉱山株式会社 | 還元焙焼炉の操業方法 |
-
1983
- 1983-12-16 JP JP58238597A patent/JPS60128228A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60128228A (ja) | 1985-07-09 |
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