KR100226935B1 - 석회소성 슬러지를 이용한 소결광의 제조방법 - Google Patents
석회소성 슬러지를 이용한 소결광의 제조방법 Download PDFInfo
- Publication number
- KR100226935B1 KR100226935B1 KR1019950066264A KR19950066264A KR100226935B1 KR 100226935 B1 KR100226935 B1 KR 100226935B1 KR 1019950066264 A KR1019950066264 A KR 1019950066264A KR 19950066264 A KR19950066264 A KR 19950066264A KR 100226935 B1 KR100226935 B1 KR 100226935B1
- Authority
- KR
- South Korea
- Prior art keywords
- sintered
- sintering
- sintered ore
- ore
- raw materials
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000010802 sludge Substances 0.000 title claims abstract description 22
- 238000005245 sintering Methods 0.000 claims abstract description 41
- 239000002994 raw material Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000571 coke Substances 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 238000001354 calcination Methods 0.000 abstract description 4
- 239000012256 powdered iron Substances 0.000 abstract description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 12
- 238000005469 granulation Methods 0.000 description 11
- 230000003179 granulation Effects 0.000 description 11
- 230000009467 reduction Effects 0.000 description 11
- 230000035699 permeability Effects 0.000 description 10
- 239000000292 calcium oxide Substances 0.000 description 6
- 235000012255 calcium oxide Nutrition 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical group [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (1)
- 분철광석, 부원료 및 열원인 분코크스 등의 소결배합원료를 조립 및 소결하는 것을 포함하여 이루어지는 소결광 제조방법에 있어서, 상기 소결 배합원료들의 조립시 석회소성 슬러지 농도가 5.0-7.5 중량% 범위인 조립수를 사용하는 것을 포함하여 이루어지는 석회소성 슬러지를 이용한 소결광 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950066264A KR100226935B1 (ko) | 1995-12-29 | 1995-12-29 | 석회소성 슬러지를 이용한 소결광의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950066264A KR100226935B1 (ko) | 1995-12-29 | 1995-12-29 | 석회소성 슬러지를 이용한 소결광의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970043197A KR970043197A (ko) | 1997-07-26 |
KR100226935B1 true KR100226935B1 (ko) | 1999-10-15 |
Family
ID=19447319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950066264A KR100226935B1 (ko) | 1995-12-29 | 1995-12-29 | 석회소성 슬러지를 이용한 소결광의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100226935B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06248365A (ja) * | 1993-03-01 | 1994-09-06 | Sumitomo Metal Ind Ltd | 低CaO焼結鉱の製造方法 |
-
1995
- 1995-12-29 KR KR1019950066264A patent/KR100226935B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06248365A (ja) * | 1993-03-01 | 1994-09-06 | Sumitomo Metal Ind Ltd | 低CaO焼結鉱の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR970043197A (ko) | 1997-07-26 |
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