CA1145542A - Four tournant de reduction directe, avec injection d'air amelioree - Google Patents

Four tournant de reduction directe, avec injection d'air amelioree

Info

Publication number: CA1145542A
Authority: CA; Canada
Prior art keywords: kiln; feed end; air; charge; flow
Prior art date: 1981-01-14
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

Application number

CA000368454A

Other languages

English (en)

Inventor

Alan C. Baker

Vitie P. Keran

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Direct Reduction Corp

Original Assignee

Direct Reduction Corp

Priority date (The priority date 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 date listed.)

1981-01-14

Filing date

1981-01-14

Publication date

1983-05-03

1981-01-14 Application filed by Direct Reduction Corp filed Critical Direct Reduction Corp

1981-01-14 Priority to CA000368454A priority Critical patent/CA1145542A/fr

1983-05-03 Application granted granted Critical

1983-05-03 Publication of CA1145542A publication Critical patent/CA1145542A/fr

Status Expired legal-status Critical Current

Links

230000009467 reduction Effects 0.000 title claims abstract description 34
238000002347 injection Methods 0.000 title claims abstract description 24
239000007924 injection Substances 0.000 title claims abstract description 24
239000007789 gas Substances 0.000 claims abstract description 58
238000000034 method Methods 0.000 claims abstract description 30
239000003245 coal Substances 0.000 claims description 40
239000003638 chemical reducing agent Substances 0.000 claims description 22
239000000567 combustion gas Substances 0.000 claims description 20
239000000446 fuel Substances 0.000 claims description 10
239000007787 solid Substances 0.000 claims description 9
239000000463 material Substances 0.000 claims description 8
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 7
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 11
239000001301 oxygen Substances 0.000 claims 11
229910052760 oxygen Inorganic materials 0.000 claims 11
235000013980 iron oxide Nutrition 0.000 claims 5
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims 5
230000006872 improvement Effects 0.000 claims 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 30
229910052742 iron Inorganic materials 0.000 abstract description 15
238000011946 reduction process Methods 0.000 abstract description 5
230000015572 biosynthetic process Effects 0.000 abstract description 3
239000003570 air Substances 0.000 description 50
238000006722 reduction reaction Methods 0.000 description 23
229940090044 injection Drugs 0.000 description 13
239000000203 mixture Substances 0.000 description 9
238000004140 cleaning Methods 0.000 description 8
238000002485 combustion reaction Methods 0.000 description 6
229930195733 hydrocarbon Natural products 0.000 description 5
150000002430 hydrocarbons Chemical class 0.000 description 5
239000002245 particle Substances 0.000 description 5
239000004215 Carbon black (E152) Substances 0.000 description 4
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
238000009826 distribution Methods 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
235000019738 Limestone Nutrition 0.000 description 3
238000007664 blowing Methods 0.000 description 3
229910002092 carbon dioxide Inorganic materials 0.000 description 3
239000010459 dolomite Substances 0.000 description 3
229910000514 dolomite Inorganic materials 0.000 description 3
239000006028 limestone Substances 0.000 description 3
239000008188 pellet Substances 0.000 description 3
238000012545 processing Methods 0.000 description 3
239000003039 volatile agent Substances 0.000 description 3
239000002699 waste material Substances 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
238000013459 approach Methods 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
229960004424 carbon dioxide Drugs 0.000 description 2
239000001569 carbon dioxide Substances 0.000 description 2
229910002091 carbon monoxide Inorganic materials 0.000 description 2
229940105305 carbon monoxide Drugs 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
230000001771 impaired effect Effects 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000001465 metallisation Methods 0.000 description 2
238000002156 mixing Methods 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000013021 overheating Methods 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
230000002411 adverse Effects 0.000 description 1
239000000443 aerosol Substances 0.000 description 1
239000012080 ambient air Substances 0.000 description 1
239000002956 ash Substances 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000010883 coal ash Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000003009 desulfurizing effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000004880 explosion Methods 0.000 description 1
239000008246 gaseous mixture Substances 0.000 description 1
239000003365 glass fiber Substances 0.000 description 1
YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
238000007885 magnetic separation Methods 0.000 description 1
239000006148 magnetic separator Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000012216 screening Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000005292 vacuum distillation Methods 0.000 description 1

Landscapes

Muffle Furnaces And Rotary Kilns (AREA)
Manufacture And Refinement Of Metals (AREA)

CA000368454A 1981-01-14 1981-01-14 Four tournant de reduction directe, avec injection d'air amelioree Expired CA1145542A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000368454A CA1145542A (fr)	1981-01-14	1981-01-14	Four tournant de reduction directe, avec injection d'air amelioree

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000368454A CA1145542A (fr)	1981-01-14	1981-01-14	Four tournant de reduction directe, avec injection d'air amelioree

Publications (1)

Publication Number	Publication Date
CA1145542A true CA1145542A (fr)	1983-05-03

Family

ID=4118911

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000368454A Expired CA1145542A (fr)	1981-01-14	1981-01-14	Four tournant de reduction directe, avec injection d'air amelioree

Country Status (1)

Country	Link
CA (1)	CA1145542A (fr)

1981
- 1981-01-14 CA CA000368454A patent/CA1145542A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
2000-05-03	MKEX	Expiry