CA1050265A - Apparatus for injection of hot reducing gas into a shaft - Google Patents
Apparatus for injection of hot reducing gas into a shaftInfo
- Publication number
- CA1050265A CA1050265A CA223,263A CA223263A CA1050265A CA 1050265 A CA1050265 A CA 1050265A CA 223263 A CA223263 A CA 223263A CA 1050265 A CA1050265 A CA 1050265A
- Authority
- CA
- Canada
- Prior art keywords
- gas
- plasma
- furnace
- injection tube
- tuyere
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 239000007789 gas Substances 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- 238000010899 nucleation Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 2
- 150000001339 alkali metal compounds Chemical class 0.000 claims 1
- 238000010891 electric arc Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000000571 coke Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000003332 Ilex aquifolium Nutrition 0.000 description 1
- 235000002296 Ilex sandwicensis Nutrition 0.000 description 1
- 235000002294 Ilex volkensiana Nutrition 0.000 description 1
- 244000261422 Lysimachia clethroides Species 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002893 slag 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
- C21B5/001—Injecting additional fuel or reducing agents
- C21B5/002—Heated electrically (plasma)
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Furnace Details (AREA)
- Blast Furnaces (AREA)
- Plasma Technology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE6044528A BE813118A (fr) | 1974-03-29 | 1974-03-29 | Dispositif pour injecter des gaz reducteurs chauds dans un four a cuve et procede de mise en oeuvre. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1050265A true CA1050265A (en) | 1979-03-13 |
Family
ID=3874571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA223,263A Expired CA1050265A (en) | 1974-03-29 | 1975-03-27 | Apparatus for injection of hot reducing gas into a shaft |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS50130617A (enExample) |
| BE (1) | BE813118A (enExample) |
| CA (1) | CA1050265A (enExample) |
| DE (1) | DE2512178C3 (enExample) |
| FR (1) | FR2265863B1 (enExample) |
| GB (1) | GB1488976A (enExample) |
| LU (1) | LU72058A1 (enExample) |
| NL (1) | NL7502814A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421553A (en) * | 1980-05-06 | 1983-12-20 | Centre De Recherches Metallurgiques | Process for operating a blast furnace |
| SE8306107D0 (sv) * | 1983-11-07 | 1983-11-07 | Skf Steel Eng Ab | Tetningsanordning |
| AT384007B (de) * | 1984-04-02 | 1987-09-25 | Voest Alpine Ag | Verfahren zur herstellung von synthesegasen sowie vorrichtung zur durchfuehrung des verfahrens |
| FR2576403B1 (fr) * | 1985-01-21 | 1987-03-06 | Siderurgie Fse Inst Rech | Dispositif de refroidissement d'une conduite sur laquelle est piquee une conduite secondaire d'amenee d'un gaz surchauffe |
| SE500956C2 (sv) * | 1991-01-17 | 1994-10-10 | Ssab Tunnplaat Ab | Blästerställning med kolinjektionslans |
-
1974
- 1974-03-29 BE BE6044528A patent/BE813118A/xx not_active IP Right Cessation
-
1975
- 1975-03-07 FR FR7507961A patent/FR2265863B1/fr not_active Expired
- 1975-03-10 NL NL7502814A patent/NL7502814A/xx not_active Application Discontinuation
- 1975-03-17 LU LU72058A patent/LU72058A1/xx unknown
- 1975-03-20 DE DE19752512178 patent/DE2512178C3/de not_active Expired
- 1975-03-20 GB GB1173375A patent/GB1488976A/en not_active Expired
- 1975-03-25 JP JP3602575A patent/JPS50130617A/ja active Pending
- 1975-03-27 CA CA223,263A patent/CA1050265A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE813118A (fr) | 1974-09-30 |
| JPS50130617A (enExample) | 1975-10-16 |
| DE2512178B2 (enExample) | 1978-06-01 |
| FR2265863A1 (enExample) | 1975-10-24 |
| FR2265863B1 (enExample) | 1979-01-05 |
| GB1488976A (en) | 1977-10-19 |
| NL7502814A (nl) | 1975-10-01 |
| LU72058A1 (enExample) | 1975-08-20 |
| DE2512178A1 (de) | 1975-10-09 |
| DE2512178C3 (de) | 1979-02-08 |
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