JPS5880491A - ロ−タリ−キルン還元剤供給方法およびそのシステム - Google Patents
ロ−タリ−キルン還元剤供給方法およびそのシステムInfo
- Publication number
- JPS5880491A JPS5880491A JP57078079A JP7807982A JPS5880491A JP S5880491 A JPS5880491 A JP S5880491A JP 57078079 A JP57078079 A JP 57078079A JP 7807982 A JP7807982 A JP 7807982A JP S5880491 A JPS5880491 A JP S5880491A
- Authority
- JP
- Japan
- Prior art keywords
- kiln
- discharge end
- flow
- particles
- bed
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 60
- 239000003638 chemical reducing agent Substances 0.000 title claims description 55
- 239000002245 particle Substances 0.000 claims description 43
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 239000007787 solid Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 238000000151 deposition Methods 0.000 claims description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims description 12
- 150000004706 metal oxides Chemical class 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 6
- 230000001603 reducing effect Effects 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000003245 coal Substances 0.000 description 88
- 230000008569 process Effects 0.000 description 28
- 239000007789 gas Substances 0.000 description 25
- 230000009467 reduction Effects 0.000 description 22
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 20
- 238000009826 distribution Methods 0.000 description 18
- 230000008021 deposition Effects 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 11
- 235000013980 iron oxide Nutrition 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 5
- 229940091263 other mineral product in atc Drugs 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 239000006148 magnetic separator Substances 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000004886 process control Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000011112 process operation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 231100000136 action limit Toxicity 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/317,939 US4378244A (en) | 1981-11-03 | 1981-11-03 | System for coal injection in iron oxide reducing kilns |
| US317939 | 1994-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5880491A true JPS5880491A (ja) | 1983-05-14 |
Family
ID=23235916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57078079A Pending JPS5880491A (ja) | 1981-11-03 | 1982-05-10 | ロ−タリ−キルン還元剤供給方法およびそのシステム |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4378244A (enExample) |
| JP (1) | JPS5880491A (enExample) |
| KR (1) | KR890001441B1 (enExample) |
| BR (1) | BR8202111A (enExample) |
| CA (1) | CA1203385A (enExample) |
| ES (1) | ES8403528A1 (enExample) |
| GR (1) | GR77193B (enExample) |
| IN (1) | IN157608B (enExample) |
| PH (1) | PH20639A (enExample) |
| ZA (1) | ZA82837B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3620842A1 (de) * | 1986-06-21 | 1987-12-23 | Metallgesellschaft Ag | Verfahren zur direktreduktion von eisenoxidhaltigen materialien im drehrohrofen |
| CZ87496A3 (en) * | 1993-09-22 | 1997-01-15 | Rgc Mineral Sands Ltd | Process of introducing one or more reaction components into a furnace for treatment of titanium materials and apparatus for making the same |
| SI1439360T1 (sl) * | 2003-01-20 | 2007-12-31 | Maerz Ofenbau | Postopek za vĺ˝ig mineralne meĺ anice |
| KR101220554B1 (ko) * | 2010-12-28 | 2013-01-10 | 주식회사 포스코 | 용선제조장치 및 이를 이용한 용선제조방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2484911A (en) * | 1945-04-21 | 1949-10-18 | Seil Frances Merritt | Rotary kiln |
| DE1508049A1 (de) * | 1966-05-05 | 1969-10-02 | Metallgesellschaft Ag | Verfahren zur Verhuetung oxydischer eisenhaltiger Erze |
| US4304597A (en) * | 1980-03-20 | 1981-12-08 | The Direct Reduction Corporation | System for control of sinter formation in iron oxide reducing kilns |
-
1981
- 1981-11-03 US US06/317,939 patent/US4378244A/en not_active Expired - Lifetime
-
1982
- 1982-02-10 ZA ZA82837A patent/ZA82837B/xx unknown
- 1982-03-17 IN IN219/DEL/82A patent/IN157608B/en unknown
- 1982-04-13 BR BR8202111A patent/BR8202111A/pt unknown
- 1982-04-15 ES ES511447A patent/ES8403528A1/es not_active Expired
- 1982-05-10 JP JP57078079A patent/JPS5880491A/ja active Pending
- 1982-05-18 KR KR8202168A patent/KR890001441B1/ko not_active Expired
- 1982-06-04 CA CA000404476A patent/CA1203385A/en not_active Expired
- 1982-06-10 GR GR68320A patent/GR77193B/el unknown
- 1982-06-11 PH PH27412A patent/PH20639A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PH20639A (en) | 1987-03-16 |
| ZA82837B (en) | 1983-01-26 |
| US4378244A (en) | 1983-03-29 |
| ES511447A0 (es) | 1983-08-01 |
| KR890001441B1 (ko) | 1989-05-03 |
| CA1203385A (en) | 1986-04-22 |
| GR77193B (enExample) | 1984-09-11 |
| ES8403528A1 (es) | 1983-08-01 |
| BR8202111A (pt) | 1983-11-16 |
| IN157608B (enExample) | 1986-05-03 |
| KR830010204A (ko) | 1983-12-26 |
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