JPH0366365B2 - - Google Patents
Info
- Publication number
- JPH0366365B2 JPH0366365B2 JP8343583A JP8343583A JPH0366365B2 JP H0366365 B2 JPH0366365 B2 JP H0366365B2 JP 8343583 A JP8343583 A JP 8343583A JP 8343583 A JP8343583 A JP 8343583A JP H0366365 B2 JPH0366365 B2 JP H0366365B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- reduction
- gas stream
- zone
- reactor
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 152
- 239000007789 gas Substances 0.000 claims description 98
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 85
- 230000009467 reduction Effects 0.000 claims description 85
- 238000001816 cooling Methods 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 46
- 229910052742 iron Inorganic materials 0.000 claims description 40
- 239000008188 pellet Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 13
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000000112 cooling gas Substances 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010791 quenching Methods 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 description 79
- 239000003345 natural gas Substances 0.000 description 40
- 230000008929 regeneration Effects 0.000 description 20
- 238000011069 regeneration method Methods 0.000 description 20
- 238000005054 agglomeration Methods 0.000 description 16
- 230000002776 aggregation Effects 0.000 description 16
- 239000007787 solid Substances 0.000 description 15
- 238000007664 blowing Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000446 fuel Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 238000011946 reduction process Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 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
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Description
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX19265782A MX156697A (es) | 1982-05-12 | 1982-05-12 | Metodo mejorado para la reduccion directa de minerales de hierro |
| MX192657 | 1982-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59166610A JPS59166610A (ja) | 1984-09-20 |
| JPH0366365B2 true JPH0366365B2 (ja) | 1991-10-17 |
Family
ID=19748000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58083435A Granted JPS59166610A (ja) | 1982-05-12 | 1983-05-12 | éé±ç³ã®çŽæ¥éå æ¹æ³ |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS59166610A (ja) |
| BR (1) | BR8302466A (ja) |
| DD (1) | DD209850A5 (ja) |
| DE (1) | DE3317062A1 (ja) |
| GB (1) | GB2123038B (ja) |
| MX (1) | MX156697A (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1336359C (en) * | 1987-11-02 | 1995-07-25 | Corporacion Venezolana De Guayana (Cvg) | Method and apparatus for the direct reduction of iron |
| AT409971B (de) * | 1998-11-19 | 2002-12-27 | Internat Briquettes Holding | Verfahren und schachtofen zur direktreduktion von oxiden |
| CN1995402B (zh) * | 2006-01-06 | 2011-11-16 | äŒå°ææ¯æéå ¬åž | å©çšçŠçæ°çå°æ°§åéçŽæ¥è¿åæéå±éçæ¹æ³ |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU496945B2 (en) * | 1975-05-19 | 1978-11-16 | Midrex International B.V. Rotterdam | Producing metallized product |
| US4032120A (en) * | 1975-11-10 | 1977-06-28 | Midrex Corporation | Apparatus for direct reduction of sulfur-containing iron ore |
| GB2016124B (en) * | 1978-03-11 | 1982-06-09 | Hamburger Stahlwerke Gmbh | Rocess and apparatus for the direct reduction of iron ores |
| US4261734A (en) * | 1979-09-04 | 1981-04-14 | Hylsa, S.A. | Method of making sponge iron |
| US4253867A (en) * | 1979-10-15 | 1981-03-03 | Hylsa, S.A. | Method of using a methane-containing gas for reducing iron ore |
-
1982
- 1982-05-12 MX MX19265782A patent/MX156697A/es unknown
-
1983
- 1983-05-10 DE DE19833317062 patent/DE3317062A1/de active Granted
- 1983-05-10 GB GB8312825A patent/GB2123038B/en not_active Expired
- 1983-05-11 BR BR8302466A patent/BR8302466A/pt not_active IP Right Cessation
- 1983-05-12 JP JP58083435A patent/JPS59166610A/ja active Granted
- 1983-05-12 DD DD83250872A patent/DD209850A5/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR8302466A (pt) | 1984-01-17 |
| JPS59166610A (ja) | 1984-09-20 |
| GB2123038A (en) | 1984-01-25 |
| DD209850A5 (de) | 1984-05-23 |
| DE3317062A1 (de) | 1983-11-17 |
| GB2123038B (en) | 1987-02-11 |
| DE3317062C2 (ja) | 1988-06-30 |
| MX156697A (es) | 1988-09-27 |
| GB8312825D0 (en) | 1983-06-15 |
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