JPS5834118A - 直接製鉄法 - Google Patents
直接製鉄法Info
- Publication number
- JPS5834118A JPS5834118A JP13291781A JP13291781A JPS5834118A JP S5834118 A JPS5834118 A JP S5834118A JP 13291781 A JP13291781 A JP 13291781A JP 13291781 A JP13291781 A JP 13291781A JP S5834118 A JPS5834118 A JP S5834118A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- furnace
- heat
- cooler
- heat recovery
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000000112 cooling gas Substances 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 230000002829 reductive effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 13
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract 2
- 238000001816 cooling Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006148 magnetic separator Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- 235000017399 Caesalpinia tinctoria Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000388430 Tara Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13291781A JPS5834118A (ja) | 1981-08-25 | 1981-08-25 | 直接製鉄法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13291781A JPS5834118A (ja) | 1981-08-25 | 1981-08-25 | 直接製鉄法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5834118A true JPS5834118A (ja) | 1983-02-28 |
| JPS6247923B2 JPS6247923B2 (enrdf_load_stackoverflow) | 1987-10-12 |
Family
ID=15092532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13291781A Granted JPS5834118A (ja) | 1981-08-25 | 1981-08-25 | 直接製鉄法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5834118A (enrdf_load_stackoverflow) |
-
1981
- 1981-08-25 JP JP13291781A patent/JPS5834118A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6247923B2 (enrdf_load_stackoverflow) | 1987-10-12 |
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