FR2477576A1 - Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente - Google Patents
Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente Download PDFInfo
- Publication number
- FR2477576A1 FR2477576A1 FR8004932A FR8004932A FR2477576A1 FR 2477576 A1 FR2477576 A1 FR 2477576A1 FR 8004932 A FR8004932 A FR 8004932A FR 8004932 A FR8004932 A FR 8004932A FR 2477576 A1 FR2477576 A1 FR 2477576A1
- Authority
- FR
- France
- Prior art keywords
- tube
- nozzle
- lubricated
- gas
- travels
- 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
- 239000000843 powder Substances 0.000 title abstract description 10
- 239000002184 metal Substances 0.000 title abstract description 8
- 229910052751 metal Inorganic materials 0.000 title abstract description 8
- 239000012159 carrier gas Substances 0.000 title abstract description 6
- 239000000295 fuel oil Substances 0.000 title description 6
- 150000002739 metals Chemical class 0.000 title description 3
- 239000000463 material Substances 0.000 claims description 33
- 239000003223 protective agent Substances 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 23
- 239000000314 lubricant Substances 0.000 abstract description 9
- 239000012254 powdered material Substances 0.000 abstract 1
- 238000009628 steelmaking Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010763 heavy fuel oil Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004932A FR2477576A1 (fr) | 1980-03-05 | 1980-03-05 | Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente |
| DE8181400309T DE3164362D1 (en) | 1980-03-05 | 1981-02-27 | Process for the simultaneous and separate introduction of at least one gas and a pulverulent material by means of a tuyere for metallurgical purpose |
| AT81400309T ATE8153T1 (de) | 1980-03-05 | 1981-02-27 | Verfahren zum gleichzeitigen und getrennten zufuehren wenigstens eines gases und eines pulverfoermigen materials mittels einer duese fuer metallurgische zwecke. |
| EP81400309A EP0035451B1 (fr) | 1980-03-05 | 1981-02-27 | Procédé d'introduction simultanée et séparée d'au moins un gaz et d'une matière pulvérulente dans une tuyère à usage métallurgique |
| US06/239,742 US4385753A (en) | 1980-03-05 | 1981-03-02 | Tuyere for the simultaneous and separate introduction of at least one gas and one powder material |
| AU67997/81A AU6799781A (en) | 1980-03-05 | 1981-03-03 | Tuyere for the simultaneous and separate introduction of at least one gas and one powder material |
| CA000372300A CA1163801A (fr) | 1980-03-05 | 1981-03-04 | Tuyere d'introduction simultanee et separee d'au moins un gaz et d'une matiere pulverulente |
| JP3108881A JPS56133064A (en) | 1980-03-05 | 1981-03-04 | Nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004932A FR2477576A1 (fr) | 1980-03-05 | 1980-03-05 | Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2477576A1 true FR2477576A1 (fr) | 1981-09-11 |
| FR2477576B1 FR2477576B1 (enExample) | 1984-07-27 |
Family
ID=9239337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8004932A Granted FR2477576A1 (fr) | 1980-03-05 | 1980-03-05 | Tuyere d'introduction simultanee et separee d'un gaz et d'une matiere pulverulente |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2477576A1 (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2153153A1 (enExample) * | 1971-09-21 | 1973-05-04 | Creusot Loire | |
| FR2310401A1 (fr) * | 1975-05-09 | 1976-12-03 | Maximilianshuette Eisenwerk | Procede et dispositif pour la gazeification continue de substances solides ou liquides, contenant du carbone ou des hydrocarbures, dans un reacteur a bain de fer |
-
1980
- 1980-03-05 FR FR8004932A patent/FR2477576A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2153153A1 (enExample) * | 1971-09-21 | 1973-05-04 | Creusot Loire | |
| FR2310401A1 (fr) * | 1975-05-09 | 1976-12-03 | Maximilianshuette Eisenwerk | Procede et dispositif pour la gazeification continue de substances solides ou liquides, contenant du carbone ou des hydrocarbures, dans un reacteur a bain de fer |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2477576B1 (enExample) | 1984-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |