EP0636847B1 - Four rotatif pour le traitement thermique de matières pouvant s'écouler - Google Patents

Four rotatif pour le traitement thermique de matières pouvant s'écouler Download PDF

Info

Publication number
EP0636847B1
EP0636847B1 EP19940109777 EP94109777A EP0636847B1 EP 0636847 B1 EP0636847 B1 EP 0636847B1 EP 19940109777 EP19940109777 EP 19940109777 EP 94109777 A EP94109777 A EP 94109777A EP 0636847 B1 EP0636847 B1 EP 0636847B1
Authority
EP
European Patent Office
Prior art keywords
rotary furnace
outflow
rotary kiln
materials
casing
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.)
Expired - Lifetime
Application number
EP19940109777
Other languages
German (de)
English (en)
Other versions
EP0636847A1 (fr
Inventor
Ralf Filges
Fred Klotmann
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.)
Deutz AG
Original Assignee
Deutz AG
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 Deutz AG filed Critical Deutz AG
Publication of EP0636847A1 publication Critical patent/EP0636847A1/fr
Application granted granted Critical
Publication of EP0636847B1 publication Critical patent/EP0636847B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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 specially adapted for rotary-drum furnaces
    • F27B7/22—Rotary drums; Supports therefor
    • F27B7/224—Discharge ends

Definitions

  • the invention relates to a rotary kiln for heat treatment flowable Materials, in particular bulk materials, with a rotary kiln jacket that sends at a distance from the outlet edge of the rotary kiln and that is formed at its outlet end as a double jacket, on the outside at the outlet end of the rotary kiln jacket and cantilevered evenly distributed over the circumference of the rotary kiln jacket Support arms are attached, on which leakage protection segments are arranged, the the completion of this double jacket and the outlet edge of the rotary kiln form.
  • FIG Rotary kilns different embodiments of the outlet end of FIG Rotary kilns are known, which has proven particularly useful, the outlet in Form the shape of a double jacket, the end of which is protected by leakage protection segments is completed while the opposite end of this double jacket is open so that cooling air is blown into the cavity of the double jacket can be.
  • DE-A-31 46 320 describes a rotary kiln whose outlet end is designed as a double jacket, the front end segments through Fixing screws running in the drum axis direction against the end faces of the double jacket.
  • EP-A-0 012 660 a double-walled protective collar that can be cooled from the outside of a rotary kiln outlet end known with an annular two-part Trailing edge, which (divided into a radially inner and radially outer ring) a refractory ramming or casting compound.
  • the leak protection segments at the end of the rotary kiln outlet to be carried out in several parts and the individual parts to be stress-free toothed and with the support arms of the rotary kiln shell in the form of detachable
  • the leak protection segments at the end of the rotary kiln outlet to be carried out in several parts and the individual parts to be stress-free toothed and with the support arms of the rotary kiln shell in the form of detachable
  • the tension-free Connection of the leakage protection segment parts with each other and with the support arms of the rotary kiln jacket the use of particularly heat-resistant and abrasion-resistant Materials for the leak protection segment parts, for example materials such as Corundum or ceramic materials from the Group of hard materials, i.e. materials that normally show brittle behavior and are particularly sensitive to tensile stresses, whereby the Tool life compared to normal metallic materials can be increased significantly can.
  • materials such as Corundum or ceramic materials from the Group of hard materials, i.e. materials that normally show brittle behavior and are particularly sensitive to tensile stresses
  • the stress-free assembly of the segment parts to leak protection segments also allows the segment parts to be designed according to the expected load to manufacture different materials because of differences in material behavior, e.g. B. the coefficient of thermal expansion, not disadvantageous, for. B. in the form of tension.
  • the segment parts are according to the Invention designed so that a high despite the tension-free assembly Mechanical cohesion is largely gas and dust-tight Parting lines.
  • FIG. 1 schematically shows the furnace outlet area (9) of a rotary kiln (8) shown, with its end edge (20) in the furnace head (7) one of the Rotary kiln (8) downstream cooler (6) protrudes.
  • II in Fig. 1 is the Drawn the area of the furnace outlet, which is shown in the following figures is.
  • the furnace outlet area (9) is designed as a double jacket, the inner wall of the rotary kiln jacket (16) and the outer Wall is formed by a tube (18).
  • this double jacket is sealed off from leakage protection segments, which are formed from the leakage protection segment parts (11, 11 ', 12, 12') and which extend the rotary kiln (8) by the amount of its length.
  • the leakage protection segment parts (11, 11 ', 12, 12') designed and inserted into each other so that only by securing by means of a bolt-shaped body, in the drawing figures this is bolt-shaped Body shown as a screw (21), a non-positive and in their Separation joints largely create dust and gas-tight connections with each other is.
  • the leakage protection segment parts are also in the circumferential direction (11, 11 ', 12, 12') arranged in a toothed manner with one another in order to and dustproof joints between the leakage protection segment parts (11, 11 ' or 12, 12 ') to ensure.
  • connection of the leak protection segments with the rotary kiln jacket (16) is manufactured via support arms (15).
  • the support arms (15) are in this embodiment are designed like a hollow box, so attached (for example welded) that they protrude beyond the end of the rotary kiln jacket (16).
  • the leakage protection segments are on this protruding part of the support arms (15) pushed by means of a molded body (19), one end of the molded body (19) in the correspondingly designed recess (23) of the leakage protection segment part (12 or 12 ') and the other end of the shaped body (19) in the cavity of the hollow arm-shaped support arm (15) is inserted.
  • the leakage protection segments are locked on the support arms (15) in illustrated embodiment with the aid of a screw (21) from above through the recess (28) in the leak protection segment part (11 or 11 ') and further is guided through the recess (27) of the support arms (15).
  • the screw (21) is held by a nut (25), which is designed in a corresponding Groove of the leakage protection segment parts (12 or 12 ') is arranged and on this Way is prevented from rotating when the screw rotates.
  • leak protection segment parts (11 or 11 ') On top of the leak protection segment parts (11 or 11 ') are the leak protection segment parts (10) placed flush so that with the leakage protection segment parts (11 or 11 ') a common terminating edge (20) is formed.
  • This is kept Leakage protection segment part (10) due to the refractory ramming compound (17) adapts the contours of the vertical part of this leakage protection segment part (10) and by anchors (22) which are welded onto the screws (21) and which by the of the dovetail-shaped horizontal parts of the leak protection segment parts (10) formed recesses with refractory ramming compound (17) filled, protrude.
  • FIG. 7 Another, especially for the use of refractory bricks (instead of refractory ramming compound) suitable embodiment of leak protection segments is shown in FIG. 7.
  • the abstract the leakage protection segment parts (10 and 11 or 11 ') is one unit required when using refractory bricks, as with refractory ramming compounds possible anchoring, for example anchoring the refractory Masonry using an anchor (22), not possible with stones of this shape or can only be carried out with considerable effort.
  • the application examples shown represent the design of the Leakage protection segments with regard to the number and shape of the teeth only possible examples, which according to the invention by other toothing forms can be replaced or supplemented. Also the number of leak protection segment parts, from which the leakage protection segments are formed can be from the number shown in the exemplary embodiments according to the invention differ.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Claims (3)

  1. Four tubulaire tournant pour le traitement thermique de matériaux à écoulement libre, en particulier de matériaux en vrac, comprenant une enveloppe de four tubulaire tournant (16) qui se termine avec un intervalle par rapport à l'arête du four tubulaire tournant réalisé à son extrémité, du côté de la sortie, sous la forme d'une double enveloppe à l'extérieur de laquelle, du côté de la sortie du four tubulaire tournant, et sur la périphérie de l'enveloppe (16) du four tubulaire tournant, sont fixés des bras de support (15) en saillie répartis régulièrement, sur lesquels sont disposés des segments de protection de la sortie qui constituent la sortie de cette double enveloppe et l'arête de dégagement du four tubulaire tournant,
    caractérisé en ce que
    les segments de protection de la sortie du gaz et de la poussière de la double enveloppe sont constitués par des parties de segments de protection de la sortie (11, 11', 12, 12', 13) qui sont poussées les unes dans les autres sous la forme d'une liaison par encliquetage et coopèrent par des dents dans la direction axiale et périphérique de l'enveloppe (16) du four tubulaire tournant et sont reliées sans tension et de manière amovible avec les bras de support (15).
  2. Four tubulaire tournant d'après la revendication 1,
    caractérisé en ce que
    les parties de segments de protection (10, 11, 11', 12, 12', 13) sont réalisées en matériau céramique résistant à la chaleur et à l'abrasion, en particulier des céramiques du groupe des matériaux à résistance élevée non métalliques.
  3. Four tubulaire tournant d'après une des revendications 1 ou 2,
    caractérisé en ce que
    des parties de segments de protection de sortie (10, 11, 11', 12, 12', 13) de différents matériaux sont combinées ensemble pour constituer le segment de protection de sortie.
EP19940109777 1993-07-28 1994-06-24 Four rotatif pour le traitement thermique de matières pouvant s'écouler Expired - Lifetime EP0636847B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4325303 1993-07-28
DE19934325303 DE4325303A1 (de) 1993-07-28 1993-07-28 Drehrohrofen zur Wärmebehandlung fließfähiger Materialien

Publications (2)

Publication Number Publication Date
EP0636847A1 EP0636847A1 (fr) 1995-02-01
EP0636847B1 true EP0636847B1 (fr) 1999-03-24

Family

ID=6493907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940109777 Expired - Lifetime EP0636847B1 (fr) 1993-07-28 1994-06-24 Four rotatif pour le traitement thermique de matières pouvant s'écouler

Country Status (3)

Country Link
EP (1) EP0636847B1 (fr)
DE (2) DE4325303A1 (fr)
DK (1) DK0636847T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004014872A1 (de) * 2004-03-26 2005-10-13 Khd Humboldt Wedag Ag Auslaufende eines Drehrohrofens

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2144330B1 (es) * 1996-04-24 2001-01-01 Fundiciones Del Estanda S A Segmentos de salida de horno para plantas cementeras.
CN101701765B (zh) * 2009-09-22 2012-12-26 洛阳新安电力集团炭素有限公司 回转窑窑头护板的改进加固方法
CN113074540B (zh) * 2020-09-18 2023-09-12 南京利卡维智能科技有限公司 一种多段陶瓷炉管快速拼装结构及材料递进方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE900671C (de) * 1951-01-27 1953-12-28 Miag Vertriebs Gmbh Gekuehlter Auslauf fuer Drehoefen
US3016236A (en) * 1960-06-22 1962-01-09 Allis Chalmers Mfg Co Rotary kiln discharge end construction
DE1558056B2 (de) * 1967-02-21 1972-12-28 Klöckner-Humboldt-Deutz AG, 5000 Köln Befestigungsvorrichtung fuer auslaufschutzsegmente am luftgekuehlten auslaufring fuer drehrohroefen, insbesondere zur zementherstellung
DE2160300C3 (de) * 1971-12-04 1975-05-07 Kloeckner-Humboldt-Deutz Ag, 5000 Koeln Abstandshalter zwischen den Mänteln eines doppelwandigen, Temperaturdifferenzen ausgesetzten Rohres oder Behälters
DE2329061A1 (de) * 1973-06-07 1975-01-02 Kloeckner Humboldt Deutz Ag Luftgekuehlter auslaufring fuer einen drehrohrofen
DE2852362A1 (de) * 1977-12-05 1979-07-12 Fives Cail Babcock Schutzvorrichtung fuer die oeffnung eines drehofens
FR2443654A1 (fr) * 1978-12-07 1980-07-04 Fives Cail Babcock Dispositif de protection de l'embouchure d'un four rotatif
US4212632A (en) * 1979-05-02 1980-07-15 Allis-Chalmers Corporation Cooling arrangement for rotary kiln
DE3146320A1 (de) * 1981-11-23 1983-08-04 Krupp Polysius Ag, 4720 Beckum "drehtrommel fuer heisses gut"
SU1408179A1 (ru) * 1986-07-30 1988-07-07 Карагандинский металлургический комбинат Разгрузочный конец вращающейс печи

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004014872A1 (de) * 2004-03-26 2005-10-13 Khd Humboldt Wedag Ag Auslaufende eines Drehrohrofens

Also Published As

Publication number Publication date
DK0636847T3 (da) 2000-06-05
DE4325303A1 (de) 1995-02-02
DE59407992D1 (de) 1999-04-29
EP0636847A1 (fr) 1995-02-01

Similar Documents

Publication Publication Date Title
EP0895027B1 (fr) Garniture céramique
DE19502730A1 (de) Keramische Auskleidung
EP1741981A1 (fr) Bouclier thermique en céramique et réacteur à gaz hautes températures recouvert d'un tel bouclier
EP0636847B1 (fr) Four rotatif pour le traitement thermique de matières pouvant s'écouler
DE202012011622U1 (de) Ausdehnungsverbindung für eine Fluidleitung
DE102008051059A1 (de) Feuerfestes Auskleidungselement
DE102014215794A1 (de) Brenner-Lanzen-Einheit
EP2516086B1 (fr) Fermeture coulissante pour un récipient métallurgique
DE2703064A1 (de) Kompensator fuer rohr- o.dgl. leitungen, und dessen verwendung
DE2610251C3 (de) Drehspeicherwärmetauscher
DE900671C (de) Gekuehlter Auslauf fuer Drehoefen
EP0359916A1 (fr) Accouplement d'arbres élastique en acier muni d'un revêtement élastomère
DE602004004645T2 (de) Langgestreckte Stopfenstange
DE604659C (de) Drehrohrofen
DE2734230C2 (de) Auslässe eines Drehrohrofens in Satelliten-Kühlerrohre
DE4405382C1 (de) Brennerrohr für Brenner in Industrieöfen
LU84839A1 (de) Duesenstock fuer schachtoefen,insbesondere hochoefen
DE4136649C2 (de) Heißwinddüsenstock für Schachtöfen, insbesondere Hochöfen
EP0673495B1 (fr) Dispositif d'admission pour l'alimentation de matieres premieres dans un tambour rotatif
DE3639001C1 (en) Seal of a ceramic pipe
DE2630669A1 (de) Planetenkuehler fuer drehrohrofen
DE2643412C3 (de) Drehrohrofen
DE2702876B2 (de) Drehrohrofen mit einer Anzahl von Planetenkiihlrohren
DE3146320A1 (de) "drehtrommel fuer heisses gut"
DE1758785C3 (de) Feuerfeste Ummantelung für Stützglieder von Wärmebehandlungsöfen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19940906

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE DK FR IT

17Q First examination report despatched

Effective date: 19970219

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DEUTZ AKTIENGESELLSCHAFT

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK FR IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19990324

REF Corresponds to:

Ref document number: 59407992

Country of ref document: DE

Date of ref document: 19990429

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20120620

Year of fee payment: 19

Ref country code: DE

Payment date: 20120616

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20120705

Year of fee payment: 19

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

Effective date: 20130630

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140228

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59407992

Country of ref document: DE

Effective date: 20140101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130630