MX164794B - Horno de crisol desplazable y proceso mejorado de tratamiento termico - Google Patents
Horno de crisol desplazable y proceso mejorado de tratamiento termicoInfo
- Publication number
- MX164794B MX164794B MX8937A MX893787A MX164794B MX 164794 B MX164794 B MX 164794B MX 8937 A MX8937 A MX 8937A MX 893787 A MX893787 A MX 893787A MX 164794 B MX164794 B MX 164794B
- Authority
- MX
- Mexico
- Prior art keywords
- displacable
- heat treatment
- treatment process
- improved heat
- pot oven
- Prior art date
Links
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
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3607—Heaters located above the track of the charge
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D2099/004—Heating elements or systems using burners directed upon the charge, e.g. vertically
- F27D2099/0041—Heating elements or systems using burners directed upon the charge, e.g. vertically with a small angle, e.g. almost tangentially
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0003—Heating elements or systems with particulate fuel, e.g. aspects relating to the feeding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/18—Composition, conformation or state of the charge in the form of pellets
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Tunnel Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/921,452 US4676741A (en) | 1986-10-22 | 1986-10-22 | Radiantly heated furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
MX164794B true MX164794B (es) | 1992-09-24 |
Family
ID=25445461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX8937A MX164794B (es) | 1986-10-22 | 1987-10-21 | Horno de crisol desplazable y proceso mejorado de tratamiento termico |
Country Status (6)
Country | Link |
---|---|
US (1) | US4676741A (es) |
JP (1) | JPS63108188A (es) |
BR (1) | BR8705613A (es) |
DE (1) | DE3735569A1 (es) |
MX (1) | MX164794B (es) |
ZA (1) | ZA877913B (es) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235921A (en) * | 1991-11-08 | 1993-08-17 | Dunham Environmental Services, Inc. | Combustion system having a movable hearth |
US5516358A (en) * | 1994-11-17 | 1996-05-14 | Pro-Tech Reclamation, Inc. | Method for the production of iron carbide |
US5885521A (en) * | 1994-12-16 | 1999-03-23 | Midrex International B.V. Rotterdam, Zurich Branch | Apparatus for rapid reduction of iron oxide in a rotary hearth furnace |
US5730775A (en) * | 1994-12-16 | 1998-03-24 | Midrex International B.V. Rotterdam, Zurich Branch | Method for rapid reduction of iron oxide in a rotary hearth furnace |
US5972066A (en) * | 1997-04-22 | 1999-10-26 | Iron Dynamics, Inc. | Mixed bed iron reduction process |
JP3480266B2 (ja) * | 1997-09-30 | 2003-12-15 | Jfeスチール株式会社 | 移動型炉床炉の操業方法 |
JP3482838B2 (ja) * | 1997-09-30 | 2004-01-06 | Jfeスチール株式会社 | 移動型炉床炉の操業方法 |
JP3845978B2 (ja) * | 1997-09-30 | 2006-11-15 | Jfeスチール株式会社 | 回転炉床炉の操業方法および回転炉床炉 |
US6270552B1 (en) * | 1997-09-30 | 2001-08-07 | Kawasaki Steel Corporation | Rotary hearth furnace for reducing oxides, and method of operating the furnace |
JP3081581B2 (ja) | 1998-03-23 | 2000-08-28 | 株式会社神戸製鋼所 | 高金属化率還元鉄塊成物の製造方法 |
EP0952230A1 (en) * | 1998-03-24 | 1999-10-27 | KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. | Method of producing reduced iron agglomerates |
US6120577A (en) * | 1998-03-25 | 2000-09-19 | Ltv Steel Company, Inc. | Treatment of steel mill waste metal oxides |
JP2997459B1 (ja) | 1998-11-04 | 2000-01-11 | 株式会社神戸製鋼所 | 還元鉄塊成物の製造方法 |
JP2002517607A (ja) * | 1998-05-29 | 2002-06-18 | ビーエイチピー イノベーション プロプライエタリー リミテッド | 酸化鉄の強化された直接還元による持続的製鉄及び固体廃棄物の最小化 |
TW502066B (en) * | 1998-08-27 | 2002-09-11 | Kobe Steel Ltd | Method for operating moving hearth reducing furnace |
US6413295B2 (en) | 1998-11-12 | 2002-07-02 | Midrex International B.V. Rotterdam, Zurich Branch | Iron production method of operation in a rotary hearth furnace and improved furnace apparatus |
US8470068B2 (en) * | 2004-12-07 | 2013-06-25 | Nu-Iron Technology, Llc | Method and system for producing metallic iron nuggets |
CN104099439A (zh) * | 2004-12-07 | 2014-10-15 | 纽-铁科技有限责任公司 | 用于生产金属铁矿块的*** |
US8021460B2 (en) * | 2006-07-26 | 2011-09-20 | Nu-Iron Technology, Llc | System and method for producing metallic iron nodules |
US8287621B2 (en) | 2010-12-22 | 2012-10-16 | Nu-Iron Technology, Llc | Use of bimodal carbon distribution in compacts for producing metallic iron nodules |
ITMI20121257A1 (it) * | 2012-07-19 | 2014-01-20 | Tenova Spa | Impianto e relativo procedimento per alimentare in modo continuo del materiale metallico riscaldato ad un forno fusorio per la produzione di acciaio |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1157087A (en) * | 1915-03-25 | 1915-10-19 | Raymond W Fenn | Apparatus for drying granular materials. |
US2089782A (en) * | 1934-12-14 | 1937-08-10 | Industrimetoder Ab | Process of producing sponge iron |
US3443931A (en) * | 1965-09-10 | 1969-05-13 | Midland Ross Corp | Process for making metallized pellets from iron oxide containing material |
US4452153A (en) * | 1982-01-19 | 1984-06-05 | Midland-Ross Corporation | Rotary hearth pyrolyzer with tapered spreader roll |
US4622905A (en) * | 1985-03-04 | 1986-11-18 | International Metals Reclamation Co., Inc. | Furnacing |
-
1986
- 1986-10-22 US US06/921,452 patent/US4676741A/en not_active Expired - Lifetime
-
1987
- 1987-10-20 BR BR8705613A patent/BR8705613A/pt not_active IP Right Cessation
- 1987-10-21 DE DE19873735569 patent/DE3735569A1/de active Granted
- 1987-10-21 MX MX8937A patent/MX164794B/es unknown
- 1987-10-21 ZA ZA877913A patent/ZA877913B/xx unknown
- 1987-10-22 JP JP62265546A patent/JPS63108188A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3735569A1 (de) | 1988-05-05 |
JPS63108188A (ja) | 1988-05-13 |
BR8705613A (pt) | 1988-05-24 |
US4676741A (en) | 1987-06-30 |
DE3735569C2 (es) | 1989-06-01 |
JPS645233B2 (es) | 1989-01-30 |
ZA877913B (en) | 1988-06-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX164794B (es) | Horno de crisol desplazable y proceso mejorado de tratamiento termico | |
ES542062A0 (es) | Procedimiento de tratamiento termomecanico de copolimeros deetileno y alfa-olefina superiores | |
GB9014419D0 (en) | Heat treatment of high temperature steels | |
GB2192260B (en) | Heat treatment of materials | |
KR860004459A (ko) | 열처리 방법 | |
GB8701367D0 (en) | Heat treating rail | |
ES2022855B3 (es) | Horno microondas con calentador | |
GB8509980D0 (en) | Heat treatment of fabrics | |
ES555949A0 (es) | Horno de tratamiento termico dotado de camaras de calentamiento local | |
EP0329378A3 (en) | Vacuum heat treating furnace | |
EP0319548A4 (en) | Treating burns | |
GB2160227B (en) | Heat treatment process | |
BR8705762A (pt) | Processo de tratamento termico | |
FR2607232B1 (fr) | Four pour le traitement thermique de pieces | |
GB2056031B (en) | Heat treatment furnace | |
JPS5433211A (en) | Heat treatment furnace | |
GB8719168D0 (en) | Muffle insulation in cooker | |
RO94169A2 (ro) | Procedeu de tratament termic si cuptor pentru realizarea procedeului | |
KR880000795U (ko) | 유리제품의 열처리로 | |
GB2002097B (en) | Heat treatment furnace | |
FR2549084B1 (fr) | Four de traitement thermique | |
NO171811C (no) | Roterende ovn med ekstern oppvarming | |
JPS5426910A (en) | Heat treatment furnace | |
JPS56146982A (en) | Heat treatment furnace | |
RO93868A2 (ro) | Cuptor pentru incalzirea pieselor metalice |