DE3900637A1 - Abgedichteter drehbarer herdofen - Google Patents

Abgedichteter drehbarer herdofen

Info

Publication number
DE3900637A1
DE3900637A1 DE3900637A DE3900637A DE3900637A1 DE 3900637 A1 DE3900637 A1 DE 3900637A1 DE 3900637 A DE3900637 A DE 3900637A DE 3900637 A DE3900637 A DE 3900637A DE 3900637 A1 DE3900637 A1 DE 3900637A1
Authority
DE
Germany
Prior art keywords
wall
shaft
hearth furnace
stove
chamber
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
Application number
DE3900637A
Other languages
German (de)
English (en)
Other versions
DE3900637C2 (enExample
Inventor
James P Docherty
Beverly Earl Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salem Furnace Co
Original Assignee
Salem Furnace Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Salem Furnace Co filed Critical Salem Furnace Co
Publication of DE3900637A1 publication Critical patent/DE3900637A1/de
Application granted granted Critical
Publication of DE3900637C2 publication Critical patent/DE3900637C2/de
Granted legal-status Critical Current

Links

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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0073—Seals
    • 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 specially adapted for furnaces of these types
    • F27B9/3005—Details, accessories or equipment specially adapted for furnaces of these types arrangements for circulating gases
    • F27B9/3011—Details, accessories or equipment specially adapted for furnaces of these types arrangements for circulating gases arrangements for circulating gases transversally

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Tunnel Furnaces (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
DE3900637A 1988-06-14 1989-01-11 Abgedichteter drehbarer herdofen Granted DE3900637A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/206,575 US4818222A (en) 1988-06-14 1988-06-14 Sealed rotary hearth furnace

Publications (2)

Publication Number Publication Date
DE3900637A1 true DE3900637A1 (de) 1989-12-21
DE3900637C2 DE3900637C2 (enExample) 1993-08-12

Family

ID=22766990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3900637A Granted DE3900637A1 (de) 1988-06-14 1989-01-11 Abgedichteter drehbarer herdofen

Country Status (7)

Country Link
US (1) US4818222A (enExample)
AU (1) AU603322B2 (enExample)
CA (1) CA1306605C (enExample)
DE (1) DE3900637A1 (enExample)
FR (1) FR2632717B1 (enExample)
GB (1) GB2219848B (enExample)
ZA (1) ZA889716B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229198A1 (de) * 1991-09-06 1993-03-11 Salem Furnace Abschirmende ruehrer zur verwendung von drehherdoefen

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256061A (en) * 1992-03-02 1993-10-26 Cress Steven B Method and apparatus for vacuum furnace with self sealing expansion door members
US5709544A (en) * 1996-04-16 1998-01-20 Abar Ipsen Industries, Inc. Dual seal for a vacuum heat treating furnace
US5810580A (en) * 1996-11-22 1998-09-22 Techint Technologies Inc. Mixing rabble for a rotary hearth furnace
US5868566A (en) * 1997-10-01 1999-02-09 Techint Technologies Inc. Sealed and zone rotary grate convection solids processing apparatus
US6390810B1 (en) 1999-03-15 2002-05-21 Maumee Research & Engineering, Inc. Method and apparatus for reducing a feed material in a rotary hearth furnace
JP4348091B2 (ja) * 2003-02-05 2009-10-21 株式会社神戸製鋼所 固体移送スクリューのシール構造およびそれを用いた還元金属の製造方法
EP2218998B1 (en) * 2009-02-03 2012-12-19 Ipsen, Inc. A sealing mechanism for a vacuum heat treating furnace
US20160223260A1 (en) * 2013-07-30 2016-08-04 Suehiro Iwane Heating furnace

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819852C2 (de) * 1978-05-05 1983-11-10 Salem Furnace Co.,, Carnegie, Pa. Kalzinierungsofen
US4669977A (en) * 1986-03-25 1987-06-02 Salem Furnace Co. Rotating rabbled roof drying and heating furnace
DE8714654U1 (de) * 1987-11-04 1987-12-23 Smit Ovens B.V., Nijmegen Einrichtung zur Abdichtung eines Drehrohr- oder Drehherdofens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE429920C (de) * 1924-09-25 1926-06-07 Ludwig Honigmann Kreisringfoermiger Tellerofen mit Oberheizung
BE759272A (fr) * 1969-12-04 1971-04-30 Siderurgie Fse Inst Rech Procede et dispositif d'agglomeration et de sechage de matieresgranulaires ou broyees
US3763011A (en) * 1971-04-28 1973-10-02 Marathon Oil Co Rotary hearth calciner having stationary soaking pit
GB1381505A (en) * 1971-06-06 1975-01-22 Struthers Scient International Fluidized bed process and apparatus
US3740184A (en) * 1971-12-02 1973-06-19 T Oleszko High temperature rabble design
US4263163A (en) * 1977-04-14 1981-04-21 Ross Donald R Process for calcining a material
JPS582356B2 (ja) * 1977-10-21 1983-01-17 地崎 達 独楽型石灰焼成炉
IT1143550B (it) * 1981-04-14 1986-10-22 Claudia Ceretti Forno industriale

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819852C2 (de) * 1978-05-05 1983-11-10 Salem Furnace Co.,, Carnegie, Pa. Kalzinierungsofen
US4669977A (en) * 1986-03-25 1987-06-02 Salem Furnace Co. Rotating rabbled roof drying and heating furnace
DE8714654U1 (de) * 1987-11-04 1987-12-23 Smit Ovens B.V., Nijmegen Einrichtung zur Abdichtung eines Drehrohr- oder Drehherdofens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229198A1 (de) * 1991-09-06 1993-03-11 Salem Furnace Abschirmende ruehrer zur verwendung von drehherdoefen

Also Published As

Publication number Publication date
CA1306605C (en) 1992-08-25
ZA889716B (en) 1989-10-25
FR2632717B1 (fr) 1994-01-21
US4818222A (en) 1989-04-04
AU603322B2 (en) 1990-11-08
FR2632717A1 (fr) 1989-12-15
GB8904543D0 (en) 1989-04-12
GB2219848A (en) 1989-12-20
AU2761588A (en) 1989-12-21
DE3900637C2 (enExample) 1993-08-12
GB2219848B (en) 1991-11-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee