FI62232C - Foerfarande foer elektroinduktiv vaermning av styckeformigt maerial i en reaktorkammare - Google Patents
Foerfarande foer elektroinduktiv vaermning av styckeformigt maerial i en reaktorkammare Download PDFInfo
- Publication number
- FI62232C FI62232C FI1227/74A FI122774A FI62232C FI 62232 C FI62232 C FI 62232C FI 1227/74 A FI1227/74 A FI 1227/74A FI 122774 A FI122774 A FI 122774A FI 62232 C FI62232 C FI 62232C
- Authority
- FI
- Finland
- Prior art keywords
- reactor
- coke
- substrate
- reactor chamber
- slag
- Prior art date
Links
- 239000000571 coke Substances 0.000 claims description 100
- 239000000463 material Substances 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 50
- 230000006698 induction Effects 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 13
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 239000011236 particulate material Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 75
- 239000007789 gas Substances 0.000 description 70
- 239000002893 slag Substances 0.000 description 44
- 238000004804 winding Methods 0.000 description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 34
- 229910052799 carbon Inorganic materials 0.000 description 34
- 230000008569 process Effects 0.000 description 32
- 238000004939 coking Methods 0.000 description 30
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 229930195733 hydrocarbon Natural products 0.000 description 21
- 150000002430 hydrocarbons Chemical class 0.000 description 21
- 230000009467 reduction Effects 0.000 description 15
- 239000003245 coal Substances 0.000 description 14
- 230000008901 benefit Effects 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 11
- 239000000155 melt Substances 0.000 description 11
- 229910044991 metal oxide Inorganic materials 0.000 description 10
- 150000004706 metal oxides Chemical class 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000004215 Carbon black (E152) Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 230000001939 inductive effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 150000002736 metal compounds Chemical class 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910000805 Pig iron Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- 239000003923 scrap metal Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000003077 lignite Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010456 wollastonite Substances 0.000 description 2
- 229910052882 wollastonite Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- 241000289669 Erinaceus europaeus Species 0.000 description 1
- 241000230533 Gulo gulo Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000002801 charged material Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229910052840 fayalite Inorganic materials 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- -1 iron oxide Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B19/00—Heating of coke ovens by electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/42—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed subjected to electric current or to radiations this sub-group includes the fluidised bed subjected to electric or magnetic fields
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00212—Plates; Jackets; Cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00389—Controlling the temperature using electric heating or cooling elements
- B01J2208/00407—Controlling the temperature using electric heating or cooling elements outside the reactor bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00477—Controlling the temperature by thermal insulation means
- B01J2208/00495—Controlling the temperature by thermal insulation means using insulating materials or refractories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00504—Controlling the temperature by means of a burner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Furnace Details (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Indole Compounds (AREA)
- General Induction Heating (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7306063 | 1973-04-30 | ||
| SE7306063A SE372177B (OSRAM) | 1973-04-30 | 1973-04-30 | |
| SE7402747A SE380735B (sv) | 1974-03-01 | 1974-03-01 | Forfarande vid induktiv vermning |
| SE7402747 | 1974-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI62232B FI62232B (fi) | 1982-08-31 |
| FI62232C true FI62232C (fi) | 1982-12-10 |
Family
ID=26656365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1227/74A FI62232C (fi) | 1973-04-30 | 1974-04-23 | Foerfarande foer elektroinduktiv vaermning av styckeformigt maerial i en reaktorkammare |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5075977A (OSRAM) |
| AT (1) | AT351001B (OSRAM) |
| BR (1) | BR7403517D0 (OSRAM) |
| CH (1) | CH618107A5 (OSRAM) |
| DD (1) | DD111398A5 (OSRAM) |
| ES (1) | ES425775A1 (OSRAM) |
| FI (1) | FI62232C (OSRAM) |
| IT (1) | IT1012597B (OSRAM) |
| NO (1) | NO140167C (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3263928B2 (ja) * | 1996-04-18 | 2002-03-11 | 株式会社日立製作所 | 連続的加熱溶解方法 |
| JP3925675B2 (ja) * | 1998-10-30 | 2007-06-06 | 三菱レイヨン・エンジニアリング株式会社 | 誘導加熱式反応槽 |
| EP1841699B1 (de) | 2005-01-27 | 2008-06-04 | Patco Engineering GmbH | Verfahren zum reduzieren von metalloxidhaltigen schlacken bzw. glaesern und/oder entgasen von mineralischen schmelzen sowie vorrichtung zur durchfuehrung dieses verfahrens |
| EP1960556B1 (de) * | 2005-12-16 | 2014-09-10 | SGL Carbon SE | Verfahren zum aufarbeiten von metallurgischen stäuben oder schleifstäuben sowie vorrichtung zur durchführung dieses verfahrens |
| EP2111468B1 (de) | 2007-01-19 | 2010-07-14 | Patco Engineering GmbH | Verfahren zur reduktion von oxidischen schlacken aus stäuben sowie induktiv beheizbarer ofen zur durchführung dieses verfahrens |
| EP3708684B1 (de) | 2019-03-15 | 2022-03-02 | Primetals Technologies Austria GmbH | Verfahren zur direktreduktion in einem fliessbett |
-
1974
- 1974-04-23 FI FI1227/74A patent/FI62232C/fi active
- 1974-04-29 CH CH586474A patent/CH618107A5/de not_active IP Right Cessation
- 1974-04-29 NO NO741532A patent/NO140167C/no unknown
- 1974-04-29 ES ES425775A patent/ES425775A1/es not_active Expired
- 1974-04-30 BR BR351774A patent/BR7403517D0/pt unknown
- 1974-04-30 AT AT356974A patent/AT351001B/de not_active IP Right Cessation
- 1974-04-30 JP JP4865474A patent/JPS5075977A/ja active Pending
- 1974-04-30 DD DD17822074A patent/DD111398A5/xx unknown
- 1974-04-30 IT IT2213774A patent/IT1012597B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| ES425775A1 (es) | 1976-06-16 |
| NO140167B (no) | 1979-04-09 |
| ATA356974A (de) | 1978-12-15 |
| BR7403517D0 (pt) | 1974-11-19 |
| CH618107A5 (en) | 1980-07-15 |
| NO741532L (no) | 1974-10-31 |
| IT1012597B (it) | 1977-03-10 |
| NO140167C (no) | 1979-07-18 |
| DD111398A5 (OSRAM) | 1975-02-12 |
| AT351001B (de) | 1979-07-10 |
| FI62232B (fi) | 1982-08-31 |
| JPS5075977A (OSRAM) | 1975-06-21 |
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