EP1580509A1 - Embouchure d'un four rotatif - Google Patents

Embouchure d'un four rotatif Download PDF

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Publication number
EP1580509A1
EP1580509A1 EP05006212A EP05006212A EP1580509A1 EP 1580509 A1 EP1580509 A1 EP 1580509A1 EP 05006212 A EP05006212 A EP 05006212A EP 05006212 A EP05006212 A EP 05006212A EP 1580509 A1 EP1580509 A1 EP 1580509A1
Authority
EP
European Patent Office
Prior art keywords
hollow
rotary kiln
cooling air
protection segments
leakage protection
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
EP05006212A
Other languages
German (de)
English (en)
Other versions
EP1580509B1 (fr
Inventor
Edgar Stöcker
Karl Schinke
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.)
KHD Humboldt Wedag AG
Original Assignee
KHD Humboldt Wedag 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
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Application filed by KHD Humboldt Wedag AG filed Critical KHD Humboldt Wedag AG
Publication of EP1580509A1 publication Critical patent/EP1580509A1/fr
Application granted granted Critical
Publication of EP1580509B1 publication Critical patent/EP1580509B1/fr
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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 peculiar to rotary-drum furnaces
    • F27B7/22—Rotary drums; Supports therefor
    • F27B7/224—Discharge ends
    • 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
    • F27B7/38—Arrangements of cooling devices

Definitions

  • the invention relates to the Gutaus strictde a rotary kiln for thermal treatment of meal-like materials such as cement raw meal for the production of cement clinker, with a rotary kiln casing pipe at the outlet end at the outside concentric with distance surrounding outer tube, with the front end of the double mantle by heat-resistant leakage protection segments distributed around the circumference is closed, the on of the rotary kiln outlet edge projecting support arms are attached and with their radially to inwardly directed lugs support the refractory rotary kiln lining, wherein in the cavity of the double jacket cooling air can be injected is.
  • the outlet end of a rotary kiln, in particular for the production of cement clinker from cement raw meal is subject to high loads, namely mechanical stresses due to surface wear due to overflow over the outlet edge good like cement clinker, by passing solid components of the Gas stream and by deformations of the rotary kiln shell, and high thermochemical stresses due to contact with the hot material and with the from the clinker cooler in the outlet end the rotary kiln incoming hot secondary air, through the Radiation of the hot burner flame of the rotary kiln as well as through Contact with the solid and gaseous gases contained in the gas stream Ingredients. From the design and equipment of the outlet of the rotary kiln depends crucially on its durability and thus the availability of the entire cement clinker production line.
  • the outlet end of the rotary kiln form in the form of a double mantle is completed by heat-resistant leakage protection segments, the attached to projecting from the rotary kiln outlet edge support arms are and with their radially inwardly directed noses the refractory Can support rotary kiln lining. It can in the Cavity of the double jacket cooling air are injected (DE-A-21 60,300, DE-A 23 29 061 and EP-B-0 636 847).
  • the radially inwardly directed noses because these apart from the temperature load caused by red hot cement clinker and Z. B. 1100 ° C hot secondary air flow, the thrust forces the refractory rotary kiln lining, in particular the refractory Stones must take up, which is why these noses in the professional world Stone holding noses are called.
  • the cooling of the known leakage protection segments is not targeted, especially their stone-holding noses are comparatively thick-walled and not cooled, so that the Danger of overheating especially of the stone holding noses and thus deformation the entire Drehofenaus secureddes not excluded is.
  • the invention is based on the object in a rotary kiln in particular for the production of cement clinker the Gutaus securedde be designed so that the life of the rotary kiln and the rising Stresses such. B. rising temperatures of from the clinker cooler incoming secondary air is fair.
  • Leakage protection segments with an angle of 90 °, thus angled inward with a rectangular stone contact surface For example, standard bricks can be used for the refractory lining of the rotary kiln be used.
  • inventive targeted coolable leakage protection segments is the risk of deformation of the highly loaded rotary kiln outlet end minimized.
  • the rotary kiln leakage protection segments according to the invention are cooled by targeted cooling air flow. These are for another Feature of the invention in the leakage protection segments the radial inner portions of the axial hollow legs as cooling air inflow channels, the radially inwardly directed hollow stone retaining lugs asde povertylenk Schemee and the radially outer areas the axial hollow leg designed asde povertyabströmungskanäle.
  • rotary kiln casing pipe 10 In the rotary kiln of Fig. 1 for the production of cement clinker calcined raw meal is the rotary kiln casing pipe 10 at the Gutaus convincedde (left end) on the outside at a distance over the circumference distributed radial spacers 11 concentric with an outer tube 12th surrounded, with the front end of the double mantle through to the Scope distributed leakage protection segments 13 is closed, the off heat-resistant cast.
  • the rotary kiln casing pipe 10th At the rotary kiln casing pipe 10th are fixed around the circumference distributed support arms 14, which of protrude from the rotary kiln outlet edge.
  • the leakage protection segments 13 each consist of one-piece hollow angle bodies whose axial Hollow by cooling air flow through legs 15 on the also as Hollow body formed support arms 14 are inserted and there through radial bolts 16 are secured. At 17, the view is up a screw head is displayed.
  • the one-piece leakage protection segments 13 have radially inwardly directed lugs 18 (stone holding lugs) on, which are also hollow and can be flowed through by cooling air.
  • the leakage protection segments 13 are the radially inner regions the axial hollow leg 15 asde povertyzströmströmungskanäle, the radially inwardly directed hollow lugs 18 asde povertyumlenk Schemee and the radially outer portions of the axial hollow Leg 15 designed asde povertyabströmungskanäle through which the cooling air exits at 22.
  • the radially outer Walls of the formed as a hollow body and also of Cooling air flowed through support arms 14 each between the partition the cooling air inflow channel and the cooling air outflow channel form.
  • the radially outside lying walls of the hollow support arms 14 each have a radial inwardly within the hollow stone retaining nose 18 lying Heilleitnase 23 have.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Drying Of Solid Materials (AREA)
  • Passenger Equipment (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Washing And Drying Of Tableware (AREA)
EP05006212A 2004-03-26 2005-03-22 Embouchure d'un four rotatif Active EP1580509B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004014872 2004-03-26
DE102004014872A DE102004014872A1 (de) 2004-03-26 2004-03-26 Auslaufende eines Drehrohrofens

Publications (2)

Publication Number Publication Date
EP1580509A1 true EP1580509A1 (fr) 2005-09-28
EP1580509B1 EP1580509B1 (fr) 2007-08-15

Family

ID=34854066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05006212A Active EP1580509B1 (fr) 2004-03-26 2005-03-22 Embouchure d'un four rotatif

Country Status (5)

Country Link
EP (1) EP1580509B1 (fr)
AT (1) ATE370377T1 (fr)
DE (2) DE102004014872A1 (fr)
DK (1) DK1580509T3 (fr)
ES (1) ES2290804T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936652A (zh) * 2010-09-05 2011-01-05 江苏金能环境科技有限公司 回转窑热端窑口保护罩
WO2013093212A1 (fr) * 2011-12-23 2013-06-27 Fives Fcb Dispositif de refroidissement d'une embouchure d'un four tubulaire rotatif par soufflage d'air frais
CN104329938A (zh) * 2014-10-31 2015-02-04 章丘华明水泥有限公司 回转窑风冷装置
RU2574535C1 (ru) * 2011-12-23 2016-02-10 Фив Фсб Устройство охлаждения устья вращающейся трубчатой печи посредством продувки холодным воздухом
DE102018220727A1 (de) * 2018-11-30 2020-06-04 Thyssenkrupp Ag Ofen mit einem Schutzsegment am Ofenauslauf

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1558056A1 (de) * 1967-02-21 1970-03-19 Kloeckner Humboldt Deutz Ag Luftgekuehlter Auslaufring fuer Drehrohroefen,insbesondere zur Zementherstellung
DE2160300A1 (de) * 1971-12-04 1973-06-14 Kloeckner Humboldt Deutz Ag Doppelwandige, temperaturdifferenzen ausgesetzte rohre oder behaelter
DE2229951B1 (de) * 1972-06-20 1973-07-19 Karl Steffens Gmbh, 4032 Lintorf Verfahren und vorrichtung zum kuehlen von aus metallenen segmenten bestehenden auslaufringen an drehrohroefen, insbesondere zur zementherstellung
DE2235560A1 (de) * 1972-07-20 1974-01-31 Steffens Gmbh Karl Schutzeinrichtung am auslauf von drehrohroefen, insbes. solchen der zementindustrie
DE2852363A1 (de) * 1977-12-05 1979-06-07 Fives Cail Babcock Schutzvorrichtung fuer die oeffnung eines drehofens
DE3824083A1 (de) * 1987-07-17 1989-01-26 Fives Cail Babcock Vorrichtung zum schutz der oeffnung eines drehrohrofens

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE561297C (de) * 1930-03-15 1932-10-12 Fried Krupp Grusonwerk Akt Ges Kuehlvorrichtung fuer das Austragende von Drehrohroefen
DE938839C (de) * 1953-05-08 1956-02-09 Miag Vertriebs Gmbh Gekuehlter Auslauf fuer Drehoefen
DE2329061A1 (de) * 1973-06-07 1975-01-02 Kloeckner Humboldt Deutz Ag Luftgekuehlter auslaufring fuer einen drehrohrofen
DE4325303A1 (de) * 1993-07-28 1995-02-02 Kloeckner Humboldt Deutz Ag Drehrohrofen zur Wärmebehandlung fließfähiger Materialien

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1558056A1 (de) * 1967-02-21 1970-03-19 Kloeckner Humboldt Deutz Ag Luftgekuehlter Auslaufring fuer Drehrohroefen,insbesondere zur Zementherstellung
DE2160300A1 (de) * 1971-12-04 1973-06-14 Kloeckner Humboldt Deutz Ag Doppelwandige, temperaturdifferenzen ausgesetzte rohre oder behaelter
DE2229951B1 (de) * 1972-06-20 1973-07-19 Karl Steffens Gmbh, 4032 Lintorf Verfahren und vorrichtung zum kuehlen von aus metallenen segmenten bestehenden auslaufringen an drehrohroefen, insbesondere zur zementherstellung
DE2235560A1 (de) * 1972-07-20 1974-01-31 Steffens Gmbh Karl Schutzeinrichtung am auslauf von drehrohroefen, insbes. solchen der zementindustrie
DE2852363A1 (de) * 1977-12-05 1979-06-07 Fives Cail Babcock Schutzvorrichtung fuer die oeffnung eines drehofens
DE3824083A1 (de) * 1987-07-17 1989-01-26 Fives Cail Babcock Vorrichtung zum schutz der oeffnung eines drehrohrofens

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936652A (zh) * 2010-09-05 2011-01-05 江苏金能环境科技有限公司 回转窑热端窑口保护罩
US9746243B2 (en) 2011-12-23 2017-08-29 Fives Fcb Device for cooling the opening of a rotary kiln by means of cool air-blowing
WO2013093212A1 (fr) * 2011-12-23 2013-06-27 Fives Fcb Dispositif de refroidissement d'une embouchure d'un four tubulaire rotatif par soufflage d'air frais
CN104053962A (zh) * 2011-12-23 2014-09-17 菲弗斯有限公司 以吹冷空气的方式冷却回转炉口的装置
JP2015508483A (ja) * 2011-12-23 2015-03-19 フィーヴ エフセーベーＦｉｖｅｓ Ｆｃｂ 冷却用空気の送風による回転式管状炉の開口部の冷却装置
RU2574535C1 (ru) * 2011-12-23 2016-02-10 Фив Фсб Устройство охлаждения устья вращающейся трубчатой печи посредством продувки холодным воздухом
CN104053962B (zh) * 2011-12-23 2016-06-22 菲弗斯有限公司 以吹冷空气的方式冷却回转炉开口的装置
CN104329938A (zh) * 2014-10-31 2015-02-04 章丘华明水泥有限公司 回转窑风冷装置
CN104329938B (zh) * 2014-10-31 2016-09-28 章丘华明水泥有限公司 回转窑风冷装置
DE102018220727A1 (de) * 2018-11-30 2020-06-04 Thyssenkrupp Ag Ofen mit einem Schutzsegment am Ofenauslauf
WO2020109199A1 (fr) * 2018-11-30 2020-06-04 Thyssenkrupp Industrial Solutions Ag Four pourvu d'un segment de protection à la sortie du four
CN113167532A (zh) * 2018-11-30 2021-07-23 蒂森克虏伯工业解决方案股份公司 在窑炉出口处包括保护段的窑炉
US20220018599A1 (en) * 2018-11-30 2022-01-20 Thyssenkrupp Industrial Solutions Ag Kiln comprising a protective segment at the kiln outlet
CN113167532B (zh) * 2018-11-30 2023-09-01 蒂森克虏伯工业解决方案股份公司 在窑炉出口处包括保护段的窑炉

Also Published As

Publication number Publication date
ATE370377T1 (de) 2007-09-15
DE102004014872A1 (de) 2005-10-13
EP1580509B1 (fr) 2007-08-15
DK1580509T3 (da) 2007-12-03
DE502005001207D1 (de) 2007-09-27
ES2290804T3 (es) 2008-02-16

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