HRP930448A2 - Method for preheating scrap iron - Google Patents
Method for preheating scrap iron Download PDFInfo
- Publication number
- HRP930448A2 HRP930448A2 HR930448A HRP930448A HRP930448A2 HR P930448 A2 HRP930448 A2 HR P930448A2 HR 930448 A HR930448 A HR 930448A HR P930448 A HRP930448 A HR P930448A HR P930448 A2 HRP930448 A2 HR P930448A2
- Authority
- HR
- Croatia
- Prior art keywords
- pyrolysis
- reactor
- plant according
- gas
- scrap iron
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 22
- 238000000197 pyrolysis Methods 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 40
- 239000011368 organic material Substances 0.000 claims abstract description 21
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000005060 rubber Substances 0.000 claims abstract description 7
- 238000010891 electric arc Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 40
- 230000008569 process Effects 0.000 claims description 18
- 239000002699 waste material Substances 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 230000020169 heat generation Effects 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 239000012260 resinous material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012262 resinous product Substances 0.000 description 1
- 239000012261 resinous substance Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
- C21B5/023—Injection of the additives into the melting part
- C21B5/026—Injection of the additives into the melting part of plastic material
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
-
- 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
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
- C21C5/565—Preheating of scrap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
- F27D13/002—Preheating scrap
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
- C21C2005/5282—Charging of the electric furnace with organic contaminated scrap
-
- 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/305—Afterburning
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S266/00—Metallurgical apparatus
- Y10S266/901—Scrap metal preheating or melting
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/958—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures with concurrent production of iron and other desired nonmetallic product, e.g. energy, fertilizer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Furnace Details (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Treatment Of Sludge (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Gasification And Melting Of Waste (AREA)
- Coke Industry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture Of Iron (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT292090A IT1245346B (it) | 1990-04-09 | 1990-04-09 | Metodo di preriscaldo rottame di ferro tramite pirolisi di residui resinosi in esso contenuti con recupero integrale del loro contenuto energetico e miglioramento del ciclo siderurgico |
| YU182090A YU182090A (sh) | 1990-04-09 | 1990-09-26 | Postupak i postrojenje za predgrevanje otpadnog gvoždja |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP930448A2 true HRP930448A2 (en) | 1994-10-31 |
Family
ID=11103836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HR930448A HRP930448A2 (en) | 1990-04-09 | 1993-03-23 | Method for preheating scrap iron |
Country Status (28)
| Country | Link |
|---|---|
| US (2) | US5186740A (bg) |
| EP (1) | EP0451323B1 (bg) |
| JP (1) | JPH03291331A (bg) |
| AT (1) | ATE138977T1 (bg) |
| AU (1) | AU640683B2 (bg) |
| BG (1) | BG60463B1 (bg) |
| BR (1) | BR9004838A (bg) |
| CA (1) | CA2023414A1 (bg) |
| CZ (1) | CZ425490A3 (bg) |
| DD (1) | DD298287A5 (bg) |
| DE (1) | DE69027302T2 (bg) |
| DK (1) | DK0451323T3 (bg) |
| ES (1) | ES2088931T3 (bg) |
| FI (1) | FI93862C (bg) |
| GR (1) | GR3020641T3 (bg) |
| HR (1) | HRP930448A2 (bg) |
| HU (1) | HU210761B (bg) |
| IE (1) | IE903250A1 (bg) |
| IL (1) | IL95683A (bg) |
| IT (1) | IT1245346B (bg) |
| NO (1) | NO179013C (bg) |
| PL (1) | PL166183B1 (bg) |
| PT (1) | PT95872A (bg) |
| RO (1) | RO110415A2 (bg) |
| RU (1) | RU1830084C (bg) |
| TR (1) | TR25626A (bg) |
| YU (1) | YU182090A (bg) |
| ZA (1) | ZA907610B (bg) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW221462B (bg) * | 1991-06-28 | 1994-03-01 | Stein Atkinson Strody Ltd | |
| ES2101643B1 (es) * | 1994-11-21 | 1998-01-16 | Al Air Liquide Espa A S A | Procedimiento para la fusion de metales o no metales, y utilizacion, en un procedimiento para la fusion de metales o no metales, de un material que comprende por lomenos un polimero proveniente de un hidrocarburo. |
| CH690128A5 (it) * | 1995-06-08 | 2000-05-15 | Elti Srl | Procedimento di fusione di metalli ferrosi mediante un forno ad arco elettrico. |
| DE19541150C2 (de) * | 1995-10-25 | 1997-10-09 | Mannesmann Ag | Verfahren und Einrichtung zum Behandeln von Reststoffen |
| JP3680127B2 (ja) * | 1996-06-27 | 2005-08-10 | ソリオス サーマル リミテッド | 熱処理装置 |
| US5782188A (en) * | 1996-09-25 | 1998-07-21 | Evans; Marvin | Pyrolytic combustion apparatus and method |
| IT1289021B1 (it) * | 1996-11-13 | 1998-09-25 | Danieli Off Mecc | Forno elettrico ad arco e relativo procedimento di fusione continua |
| CA2237291C (en) * | 1998-05-11 | 2006-08-01 | Scc Environmental Group Inc. | Method and apparatus for removing mercury and organic contaminants from soils, sludges and sediments and other inert materials |
| US6270630B1 (en) * | 1998-12-03 | 2001-08-07 | Li Xing | Process and apparatus for producing hydrocarbons from residential trash or waste and/or organic waste materials |
| EP1445236A1 (fr) * | 2003-02-05 | 2004-08-11 | Université de Liège | Procédé et installation pour la fabrication de nanotubes de carbone |
| US6830605B2 (en) * | 2003-03-14 | 2004-12-14 | World Resources Company | Recovery of metal values from cermet |
| SE528222C2 (sv) * | 2004-06-23 | 2006-09-26 | Boliden Mineral Ab | Förfarande för satsvis upparbetning av värdemetallinnehållande återvinningsmaterial |
| NZ554303A (en) | 2004-09-03 | 2010-08-27 | Newsouth Innovations Pty Ltd | Production of ferro-alloys with charge of un-agglomerated polymer |
| US20060144306A1 (en) * | 2005-01-03 | 2006-07-06 | George Montgomery | Method for converting tire rubber to coke |
| EP2013140A4 (en) | 2006-04-11 | 2013-12-04 | Thermo Technologies Llc | METHODS AND APPARATUS FOR THE PRODUCTION OF SYNTHESIS GAS OF SOLID CARBONACEOUS MATERIALS |
| US20070257394A1 (en) * | 2006-05-08 | 2007-11-08 | Maxwell Technologies, Inc. | Feeder for Agglomerating Particles |
| AU2013201042B2 (en) * | 2007-05-07 | 2013-11-21 | Newsouth Innovations Pty Limited | Recyclability of a rubber in the production of ferro-alloys |
| CN101688261B (zh) * | 2007-05-07 | 2012-07-18 | 新南创新私人有限公司 | 铁合金制备的改进 |
| WO2010046720A1 (en) * | 2008-10-22 | 2010-04-29 | Shap S.P.A. Solar Heat And Power | Plant and method for treating non-ferrous metal scrap |
| TWI573878B (zh) | 2009-03-18 | 2017-03-11 | 拉斐克 布洛斯 道 | 鋼生產設備、煉鋼方法以及在鋼生產設備中使用電能的方法 |
| JP2010222660A (ja) * | 2009-03-24 | 2010-10-07 | Jfe Steel Corp | 溶鋼の精錬方法 |
| US8303474B2 (en) * | 2009-08-31 | 2012-11-06 | Aiger Group Ag | Apparatus and method for insertion of capsules into filter tows |
| US8672029B2 (en) * | 2009-12-30 | 2014-03-18 | Schlumberger Technology Corporation | System for reducing foam in mixing operations |
| PL223667B1 (pl) | 2011-04-06 | 2016-10-31 | Eko Hybres Spółka Z Ograniczoną Odpowiedzialnością | Sposób destrukcji i odzyskiwania metali, żużla ekologicznego,gazu i energii z zużytego sprzętu elektronicznego i elektrotechnicznego oraz układ instalacji do stosowania tego sposobu |
| US8203024B2 (en) | 2011-08-23 | 2012-06-19 | Advanced Toffefaction Systems, LLC | Torrefaction systems and methods including catalytic oxidation and/or reuse of combustion gases directly in a torrefaction reactor, cooler, and/or dryer/preheater |
| WO2014195740A1 (en) * | 2013-06-07 | 2014-12-11 | Milli Spanovic | Facility and procedure for treatment of waste with choice of quality of output products |
| EP2982922A1 (de) * | 2014-08-08 | 2016-02-10 | Primetals Technologies Austria GmbH | Vorrichtung und Verfahren zur Steuerung einer Rückhalteeinheit einer Schachtanordnung eines Schmelzofens |
| CN104785515B (zh) * | 2015-04-27 | 2017-10-13 | 沈逍江 | 两段式绞龙间接热脱附装置 |
| EP3165617B1 (en) * | 2015-11-09 | 2019-07-03 | Contitech France SNC | Method of recycling rubber-metal-composite parts |
| CN109200963B (zh) * | 2018-09-05 | 2021-03-23 | 辽宁盛达环保科技发展有限公司 | 高效耦合、多联产、低氮的煤矸石活化工艺 |
| CN113503736B (zh) * | 2021-07-01 | 2022-03-25 | 南京溧水金洪磁性元件有限公司 | 一种用于低噪音永磁电机的永磁铁氧体生产方法及装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB870342A (en) * | 1957-08-12 | 1961-06-14 | Proler Steel Corp | Scrap refining process and product |
| US2943930A (en) * | 1959-10-27 | 1960-07-05 | Proler Steel Corp | Scrap refining process and product |
| SU443070A1 (ru) * | 1972-02-09 | 1974-09-15 | Всесоюзный научно-исследовательский институт металлургической теплотехники | Трубчата вращающа с печь дл металлизации железорудных материалов |
| GB1540261A (en) * | 1977-04-01 | 1979-02-07 | Wellman Incandescent Ltd | Treatment of contaminated metal scrap |
| US4264060A (en) * | 1977-02-25 | 1981-04-28 | Automated Production Systems Corporation | Apparatus for treating metallic scrap in the recovery of metal therefrom |
| GB2104634B (en) * | 1981-08-25 | 1984-12-05 | Apv Mitchell Dryers Limited | Method of and apparatus for drying and degreasing swarf |
| US4548651A (en) * | 1983-04-27 | 1985-10-22 | Aluminum Company Of America | Method for reclaiming contaminated scrap metal |
| US4498523A (en) * | 1983-05-12 | 1985-02-12 | Aluminum Company Of America | Continuous method for reclaiming, melting and casting aluminum scrap |
| US4784603A (en) * | 1986-11-04 | 1988-11-15 | Aluminum Company Of America | Process for removing volatiles from metal |
| SU1497437A1 (ru) * | 1987-08-31 | 1989-07-30 | Ленинградское Отделение Всесоюзного Научно-Исследовательского И Проектного Института "Теплопроект" | Устройство дл тепловой обработки замасленной стружки |
| DE3815187A1 (de) * | 1988-05-04 | 1989-11-16 | Siemens Ag | Temperaturgeregelte anlage zur thermischen abfallentsorgung |
| US4889556A (en) * | 1988-08-01 | 1989-12-26 | Westinghouse Electric Corp. | Method of recycling steel belted tires |
| US5059116A (en) * | 1988-12-16 | 1991-10-22 | Gillespie & Powers, Inc. | Apparatus and process for removing volatile coatings from scrap metal |
-
1990
- 1990-04-09 IT IT292090A patent/IT1245346B/it active IP Right Grant
- 1990-08-16 CA CA 2023414 patent/CA2023414A1/en not_active Abandoned
- 1990-08-28 JP JP2226402A patent/JPH03291331A/ja active Pending
- 1990-08-31 CZ CS904254A patent/CZ425490A3/cs unknown
- 1990-09-06 ES ES90117164T patent/ES2088931T3/es not_active Expired - Lifetime
- 1990-09-06 DK DK90117164T patent/DK0451323T3/da active
- 1990-09-06 AT AT90117164T patent/ATE138977T1/de active
- 1990-09-06 DE DE69027302T patent/DE69027302T2/de not_active Expired - Fee Related
- 1990-09-06 EP EP19900117164 patent/EP0451323B1/en not_active Expired - Lifetime
- 1990-09-07 IE IE325090A patent/IE903250A1/en unknown
- 1990-09-13 US US07/581,925 patent/US5186740A/en not_active Expired - Fee Related
- 1990-09-13 IL IL9568390A patent/IL95683A/en not_active IP Right Cessation
- 1990-09-17 AU AU62548/90A patent/AU640683B2/en not_active Ceased
- 1990-09-18 HU HU905946A patent/HU210761B/hu not_active IP Right Cessation
- 1990-09-20 DD DD90344118A patent/DD298287A5/de not_active IP Right Cessation
- 1990-09-24 ZA ZA907610A patent/ZA907610B/xx unknown
- 1990-09-25 FI FI904700A patent/FI93862C/fi not_active IP Right Cessation
- 1990-09-25 NO NO904174A patent/NO179013C/no unknown
- 1990-09-26 RO RO14601190A patent/RO110415A2/ro unknown
- 1990-09-26 BR BR9004838A patent/BR9004838A/pt not_active IP Right Cessation
- 1990-09-26 YU YU182090A patent/YU182090A/sh unknown
- 1990-10-22 PL PL90287451A patent/PL166183B1/pl unknown
- 1990-10-24 BG BG93081A patent/BG60463B1/bg unknown
- 1990-11-13 TR TR106490A patent/TR25626A/xx unknown
- 1990-11-13 PT PT95872A patent/PT95872A/pt not_active Application Discontinuation
- 1990-11-19 RU SU904831735A patent/RU1830084C/ru active
-
1991
- 1991-05-28 US US07/705,732 patent/US5221512A/en not_active Expired - Fee Related
-
1993
- 1993-03-23 HR HR930448A patent/HRP930448A2/hr not_active Application Discontinuation
-
1996
- 1996-07-26 GR GR960401997T patent/GR3020641T3/el unknown
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