EP0183908B1 - Procédé pour la diminution de la teneur en NOx des fumées lors du chauffage de fours à coke et four à coke pour la mise en oeuvre du procédé - Google Patents

Procédé pour la diminution de la teneur en NOx des fumées lors du chauffage de fours à coke et four à coke pour la mise en oeuvre du procédé Download PDF

Info

Publication number
EP0183908B1
EP0183908B1 EP85108019A EP85108019A EP0183908B1 EP 0183908 B1 EP0183908 B1 EP 0183908B1 EP 85108019 A EP85108019 A EP 85108019A EP 85108019 A EP85108019 A EP 85108019A EP 0183908 B1 EP0183908 B1 EP 0183908B1
Authority
EP
European Patent Office
Prior art keywords
heating
gas
flue
volumetric
level
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
Application number
EP85108019A
Other languages
German (de)
English (en)
Other versions
EP0183908A1 (fr
Inventor
Johannes Dr. Dipl.-Ing. Janicka
Wilhelm Dipl.-Ing. Jakobi
Heinz Dipl.-Ing. Dürselen
Günter Dr. Dipl.-Ing. Meyer
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Krupp Koppers GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6251728&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0183908(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Krupp Koppers GmbH filed Critical Krupp Koppers GmbH
Publication of EP0183908A1 publication Critical patent/EP0183908A1/fr
Application granted granted Critical
Publication of EP0183908B1 publication Critical patent/EP0183908B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B21/00—Heating of coke ovens with combustible gases
    • C10B21/10—Regulating and controlling the combustion
    • C10B21/18—Recirculating the flue gases
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B21/00—Heating of coke ovens with combustible gases
    • C10B21/20—Methods of heating ovens of the chamber oven type

Definitions

  • the invention relates to a method for reducing the NO x content in the flue gas when heating coking ovens with paired heating trains, high and low combustion stages and a flue gas recirculation at the level of the heating flue (circulating current).
  • the invention further relates to a coking oven for performing this method.
  • the known measures for reducing the formation of No x are aimed at reducing the flame temperature through flue gas recirculation or at reducing the oxygen and nitrogen concentrations through partial combustion.
  • Flue gas is mixed into the air and heating gas flow through one or two openings in every second truss wall at the level of the heating mantle, primarily by reducing the maximum flame temperature, but also by reducing the O Z and N 2 concentration the NO x production rates.
  • the NO x reduction principle of partial combustion is used in coking ovens in the form of step heating.
  • a preferred combination with regard to minimal NO x emission provides that the circulating current rate is set between 35% and 45% and the step ratio between 50% and 65% and that the second combustion stage is arranged between 40% and 50% of the heating draft.
  • a coking furnace which is characterized in that the secondary air supply and the secondary lean gas supply to the second, high-lying combustion stages are arranged exclusively within the binder walls delimiting the heating train pairs, the secondary air supply and the secondary lean gas supply open into the neighboring heating trains on both sides of the truss walls and at the same height.
  • the path of the flue gases leads from the flamed heating cable 2 via the reversal point 15 (part via the differential channel 16) into the non-flaming heating cable 2a and via the nozzles and channels 4a, 3a, 6a, 5a, 1 Oa, 9a, 12a, 11 a in the exhaust gas regenerators (not shown).
  • FIGS. 1 and 2 the direction of flow of the media is indicated by arrows for both low and high gas operation. In the case of lean gas operation, however, no heavy gas flows, while in the case of heavy gas operation the lean gas ducts carry combustion air.
  • a heater pair 1 is laterally delimited by the rotor walls 17 and the binder walls 18 passing through the channels 9 and 11.
  • the heating pair 1 is divided into the heating trains 2 and 2a by the binder wall 19 which is penetrated by the reversal point 15 and the circulating current opening 13 becomes.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)

Claims (3)

1. Procédé de réduction de la teneur en Nox des gaz de fumée produits lors du chauffage des fours à coke comportant des carneaux coopérant par paires, des étages de combustion situés en position haute et en position basse, ainsi qu'un recyclage des gaz de fumée au niveau de la sole des carneaux de chauffage (circuit fermé), caractérisé par la combinaison des caractéristiques suivantes:
a) le taux de recyclage, c'est-à-dire le débit volumique des gaz de fumée recyclés, divisés par le débit volumique de gaz de fumée sans gas de fumée recyclés, est réglé entre 20% et 50%,
b) le rapport d'étage, c'est-à-dire, dans le fonctionnement en gaz forts, le courant volumique d'air de l'étage inférieur, divisé par le courant volumique d'air total et, en fonctionnement en gas faible, la somme du courant volumique d'air et du courant volumique de gaz faible de l'étage inférieur, divisé par la somme du courant volumique total d'air et de gaz faible, est réglée sur une valeur comprise entre 40% et 70%,
c) le deuxième étage de combustion est placé à une hauteur comprise entre 35% et 50% de la hauteur des carneaux de chauffage.
2. Procédé selon la revendication 1, caractérisé par le fait que le taux de recyclage est réglé sur une valeur comprise entre 35% et 45% et le rapport d'étage sur une valeur comprise entre 50% et 65% et par le fait que le deuxième étage de combustion est agencé à un niveau compris entre 40% et 50% de la hauteur des carneaux de chauffage.
3. Four à coke pour la mise en oeuvre du procédé selon les revendications 1 et 2, caractérisé par le fait que l'arrivée d'air secondaire et l'arrivée de gaz pauvre secondaire (11) alimentant les deuxièmes étages de combustion situés en position haute sont agencés exclusivement à l'intérieur des cloisons de liaison (18) qui limitent respectivement les paires de carneaux (1) de chauffage, l'arrivée (9) d'air secondaire et l'arrivée (11) de gaz pauvre secondaire débouchant respectivement des deux côtés des cloisons de liaison (18) dans les carneaux (2) de chauffage adjacents à ces cloisons et d'un même niveau.
EP85108019A 1984-12-01 1985-06-28 Procédé pour la diminution de la teneur en NOx des fumées lors du chauffage de fours à coke et four à coke pour la mise en oeuvre du procédé Expired EP0183908B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843443976 DE3443976A1 (de) 1984-12-01 1984-12-01 Verfahren zur verringerung des no(pfeil abwaerts)x(pfeil abwaerts)-gehaltes im rauchgas bei der beheizung von verkokungsoefen und verkokungsofen zur durchfuehrung des verfahrens
DE3443976 1984-12-01

Publications (2)

Publication Number Publication Date
EP0183908A1 EP0183908A1 (fr) 1986-06-11
EP0183908B1 true EP0183908B1 (fr) 1988-08-03

Family

ID=6251728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108019A Expired EP0183908B1 (fr) 1984-12-01 1985-06-28 Procédé pour la diminution de la teneur en NOx des fumées lors du chauffage de fours à coke et four à coke pour la mise en oeuvre du procédé

Country Status (4)

Country Link
US (1) US4704195A (fr)
EP (1) EP0183908B1 (fr)
JP (1) JPH0778220B2 (fr)
DE (2) DE3443976A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10222973B2 (en) 2014-05-30 2019-03-05 Sonova Ag Method for controlling a hearing device via touch gestures, a touch gesture controllable hearing device and a method for fitting a touch gesture controllable hearing device

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3807926A1 (de) * 1988-03-10 1989-09-21 Hoelter Heinz Verfahren zur schadstoffarmen beheizung von koksoefen und koksofen zur durchfuehrung des verfahrens
DE3812558C2 (de) * 1988-04-15 2001-02-22 Krupp Koppers Gmbh Verfahren zur Verringerung des NO¶x¶-Gehaltes im Rauchgas bei der Beheizung von Verkokungsöfen
DE3822029A1 (de) * 1988-06-30 1990-01-04 Still Otto Gmbh Gaszufuehrung in verkokungsoefen
DE3841630A1 (de) * 1988-12-10 1990-06-13 Krupp Koppers Gmbh Verfahren zur verringerung des no(pfeil abwaerts)x(pfeil abwaerts)-gehaltes im abgas bei der beheizung von starkgas- oder verbundkoksoefen und koksofenbatterie zur durchfuehrung des verfahrens
DE4006217A1 (de) * 1989-05-26 1990-11-29 Didier Ofu Eng Beheizungssystem fuer regenerativverkokungsoefen
US5259932A (en) * 1989-05-26 1993-11-09 Didier Ofu Engineering Gmbh Heating system for regenerative coke ovens
EP1033396B1 (fr) * 1999-03-04 2004-09-29 The Japan Iron and Steel Federation Four à coke et procédé pour son fonctionnement
US6596128B2 (en) 2001-02-14 2003-07-22 Sun Coke Company Coke oven flue gas sharing
JP4767730B2 (ja) * 2006-03-22 2011-09-07 新日本製鐵株式会社 コークス炉の操業方法
KR101259216B1 (ko) 2006-12-19 2013-04-29 주식회사 포스코 일체형 연료가스 우회로가 구비된 코크스 오븐의 연소실
KR101259185B1 (ko) * 2006-12-19 2013-04-29 주식회사 포스코 연료가스 우회로가 구비된 코크스 오븐의 연소실
US7998316B2 (en) 2009-03-17 2011-08-16 Suncoke Technology And Development Corp. Flat push coke wet quenching apparatus and process
US9200225B2 (en) 2010-08-03 2015-12-01 Suncoke Technology And Development Llc. Method and apparatus for compacting coal for a coal coking process
CA2880539C (fr) 2012-07-31 2018-09-11 Suncoke Technology And Development Llc Procedes de prise en charge des emissions resultant du traitement du charbon et systemes et dispositifs associes
US9359554B2 (en) 2012-08-17 2016-06-07 Suncoke Technology And Development Llc Automatic draft control system for coke plants
US9243186B2 (en) 2012-08-17 2016-01-26 Suncoke Technology And Development Llc. Coke plant including exhaust gas sharing
US9249357B2 (en) 2012-08-17 2016-02-02 Suncoke Technology And Development Llc. Method and apparatus for volatile matter sharing in stamp-charged coke ovens
US9169439B2 (en) 2012-08-29 2015-10-27 Suncoke Technology And Development Llc Method and apparatus for testing coal coking properties
CA2885631C (fr) 2012-09-21 2016-04-12 Suncoke Technology And Development Llc. Fonctionnement d'un four a coke a debit de sortie reduit avec un partage de gaz fournissant un cycle de traitement prolonge
US10016714B2 (en) 2012-12-28 2018-07-10 Suncoke Technology And Development Llc Systems and methods for removing mercury from emissions
US9273249B2 (en) 2012-12-28 2016-03-01 Suncoke Technology And Development Llc. Systems and methods for controlling air distribution in a coke oven
US9476547B2 (en) 2012-12-28 2016-10-25 Suncoke Technology And Development Llc Exhaust flow modifier, duct intersection incorporating the same, and methods therefor
PL2938701T3 (pl) 2012-12-28 2020-05-18 Suncoke Technology And Development Llc Pokrywy kominów upustowych i powiązane sposoby
US10760002B2 (en) 2012-12-28 2020-09-01 Suncoke Technology And Development Llc Systems and methods for maintaining a hot car in a coke plant
US10047295B2 (en) 2012-12-28 2018-08-14 Suncoke Technology And Development Llc Non-perpendicular connections between coke oven uptakes and a hot common tunnel, and associated systems and methods
US9238778B2 (en) 2012-12-28 2016-01-19 Suncoke Technology And Development Llc. Systems and methods for improving quenched coke recovery
US10883051B2 (en) 2012-12-28 2021-01-05 Suncoke Technology And Development Llc Methods and systems for improved coke quenching
US9193915B2 (en) 2013-03-14 2015-11-24 Suncoke Technology And Development Llc. Horizontal heat recovery coke ovens having monolith crowns
US9273250B2 (en) 2013-03-15 2016-03-01 Suncoke Technology And Development Llc. Methods and systems for improved quench tower design
EP3090034B1 (fr) 2013-12-31 2020-05-06 Suncoke Technology and Development LLC Procédés pour désencrasser des fours à coke, et systèmes et dispositifs associés
WO2016004106A1 (fr) 2014-06-30 2016-01-07 Suncoke Technology And Development Llc Fours à coke horizontaux à récupération de chaleur ayant des voûtes monolithes
AU2015308678B2 (en) 2014-08-28 2017-06-29 Suncoke Technology And Development Llc Method and system for optimizing coke plant operation and output
JP2017526798A (ja) 2014-09-15 2017-09-14 サンコーク テクノロジー アンド ディベロップメント リミテッド ライアビリティ カンパニー モノリス構成要素構造を有するコークス炉
KR102516994B1 (ko) 2014-12-31 2023-03-31 선코크 테크놀러지 앤드 디벨로프먼트 엘엘씨 코킹 재료의 다중 모달 베드
EP3240862A4 (fr) 2015-01-02 2018-06-20 Suncoke Technology and Development LLC Automatisation et optimisation intégrées d'une usine de fabrication de coke en utilisant des techniques de pointe en termes de contrôle et d'optimisation
US11060032B2 (en) 2015-01-02 2021-07-13 Suncoke Technology And Development Llc Integrated coke plant automation and optimization using advanced control and optimization techniques
EP3397719B1 (fr) 2015-12-28 2020-10-14 Suncoke Technology and Development LLC Système de charge de manière dynamique d'un four à coke
CN105885876B (zh) * 2016-05-09 2018-11-02 大连迈泰克科技开发有限公司 前端治理的低nox排放浓度的节能环保型炼焦工艺方法
CN105802639A (zh) * 2016-05-10 2016-07-27 中冶焦耐工程技术有限公司 一种干熄炉放散气处理方法
US11508230B2 (en) 2016-06-03 2022-11-22 Suncoke Technology And Development Llc Methods and systems for automatically generating a remedial action in an industrial facility
UA126400C2 (uk) 2017-05-23 2022-09-28 Санкоук Текнолоджі Енд Дівелепмент Ллк Система та спосіб ремонту коксової печі
DE102017216436A1 (de) 2017-09-15 2019-03-21 Thyssenkrupp Ag Koksofenvorrichtung mit zentrischer Rezirkulation zum Herstellen von Koks und Verfahren zum Betreiben der Koksofenvorrichtung sowie Steuerungseinrichtung und Verwendung
TWI681048B (zh) * 2017-09-15 2020-01-01 德商蒂森克虜伯工業解決方案股份有限公司 用於生產焦炭的包含具圍繞其之環繞流動之環形流動路徑的焦爐裝置、焦爐裝置的操作方法及其控制裝置與用途
DE102017216439A1 (de) 2017-09-15 2019-03-21 Thyssenkrupp Ag Koksofenvorrichtung mit umströmtem Kreisstrompfad zum Herstellen von Koks und Verfahren zum Betreiben der Koksofenvorrichtung sowie Steuerungseinrichtung und Verwendung
DE102017216437A1 (de) 2017-09-15 2019-03-21 Thyssenkrupp Ag Koksofenvorrichtung mit exzentrischen Einlässen zum Herstellen von Koks und Verfahren zum Betreiben der Koksofenvorrichtung sowie Steuerungseinrichtung und Verwendung
CA3124563C (fr) 2018-12-28 2023-06-27 Suncoke Technology And Development Llc Reparation de tunnel d'installation a coke et distribution d'ancrages
US11261381B2 (en) 2018-12-28 2022-03-01 Suncoke Technology And Development Llc Heat recovery oven foundation
US11098252B2 (en) 2018-12-28 2021-08-24 Suncoke Technology And Development Llc Spring-loaded heat recovery oven system and method
CA3125332C (fr) 2018-12-28 2022-04-26 Suncoke Technology And Development Llc Decarbonisation de fours a coke, et systemes et procedes associes
WO2020140074A1 (fr) 2018-12-28 2020-07-02 Suncoke Technology And Development Llc Montées de gaz de four améliorées
CA3125337C (fr) 2018-12-28 2022-06-21 Suncoke Technology And Development Llc Detection de particules d'installations industrielles et systemes et procedes associes
WO2020142391A1 (fr) 2018-12-31 2020-07-09 Suncoke Technology And Development Llc Procédés et systèmes pour fournir des surfaces résistantes à la corrosion dans des systèmes de traitement de contaminants
BR112021012412A2 (pt) 2018-12-31 2021-09-08 Suncoke Technology And Development Llc Sistemas e métodos aprimorados para utilizar gás de combustão
DE102019206628B4 (de) * 2019-05-08 2024-04-18 Thyssenkrupp Ag Koksofenvorrichtung zum Herstellen von Koks und Verfahren zum Betreiben der Koksofenvorrichtung sowie Verwendung
JP2023525984A (ja) 2020-05-03 2023-06-20 サンコーク テクノロジー アンド ディベロップメント リミテッド ライアビリティ カンパニー 高品質コークス製品
CN113122284B (zh) * 2021-05-20 2023-05-16 中冶焦耐(大连)工程技术有限公司 一种复热式焦炉低氮排放的调节方法
WO2023064912A1 (fr) * 2021-10-15 2023-04-20 Vanocur Refractories Llc Conduit pour paroi chauffante d'un four à coke ou d'une batterie de four à coke
CA3211286A1 (fr) 2021-11-04 2023-05-11 John Francis Quanci Produits de coke de fonderie, systemes, dispositifs et procedes associes
US11946108B2 (en) 2021-11-04 2024-04-02 Suncoke Technology And Development Llc Foundry coke products and associated processing methods via cupolas

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2746913A (en) * 1954-09-01 1956-05-22 Koppers Co Inc Rich gas nozzle for regenerative coke oven with recirculation heating
DE1147559B (de) * 1956-07-02 1963-04-25 Otto & Co Gmbh Dr C Waagerechter Kammerofen zur Erzeugung von Koks und Gas
US3192127A (en) * 1961-04-13 1965-06-29 Koppers Co Inc Coking retort oven firing method
DE1571657B2 (de) * 1966-09-13 1973-04-26 Heinrich Koppers Gmbh, 4300 Essen Regenerativkoksofenbatterie
BE708031A (fr) * 1966-12-17 1968-06-17
DE1936023A1 (de) * 1969-07-16 1971-02-04 Koppers Gmbh Heinrich Vorrichtung zum vollstaendigen oder teilweisen Schliessen der Gasdurchtrittsoeffnungen in den Heizwaenden von Verkokungskammeroefen
BE790985A (fr) * 1971-12-11 1973-03-01 Koppers Gmbh Heinrich Procede pour l'uniformisation du chauffage des fours a coke a chambre horizontale et installation pour la pratique du
DE2420121B2 (de) * 1974-04-25 1976-04-22 Rohrbach, Rudolf, 7461 Dotternhausen Verfahren und anlage zur herstellung von zementklinker
DE2427032B2 (de) * 1974-06-05 1978-06-29 Dr. C. Otto & Co Gmbh, 4630 Bochum Batterieweise angeordneter, regenerativ mit Schwachgas beheizbarer Verkokungsofen
CA1097487A (fr) * 1976-04-20 1981-03-17 David W. Turner Appareillage et methode pour reduire les emissions de no.sub.x dans l'atmosphere
US4216060A (en) * 1978-05-10 1980-08-05 Mitsubishi Kasei Kogyo Kabushiki Kaisha Horizontal type coke ovens
IN154973B (fr) * 1981-04-09 1984-12-22 Otto & Co Gmbh Dr C
US4405587A (en) * 1982-02-16 1983-09-20 Mcgill Incorporated Process for reduction of oxides of nitrogen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10222973B2 (en) 2014-05-30 2019-03-05 Sonova Ag Method for controlling a hearing device via touch gestures, a touch gesture controllable hearing device and a method for fitting a touch gesture controllable hearing device

Also Published As

Publication number Publication date
DE3443976C2 (fr) 1993-04-22
JPH0778220B2 (ja) 1995-08-23
US4704195A (en) 1987-11-03
DE3564130D1 (en) 1988-09-08
JPS61133286A (ja) 1986-06-20
DE3443976A1 (de) 1986-06-12
EP0183908A1 (fr) 1986-06-11

Similar Documents

Publication Publication Date Title
EP0183908B1 (fr) Procédé pour la diminution de la teneur en NOx des fumées lors du chauffage de fours à coke et four à coke pour la mise en oeuvre du procédé
EP0373358B1 (fr) Procédé de réduction de la teneur en NO dans les gaz d'échappement lors du chauffage de gaz riche ou de four à coke verbund et groupe de fours à coke pour mettre en oeuvre ce procédé
DE60011541T2 (de) Verfahren und Vorrichtung zur NOx Reduktion
EP0337112B1 (fr) Procédé de diminution de la teneur en NOx des fumées lors du chauffage de fours à coke
DE60105093T2 (de) Brennstoffverdünnungsverfahren und Vorrichtung zur NOx-Verminderung
DE69303613T2 (de) VERFAHREN ZUR GASVERBRENNUNG IN EINEM BRENNER FÜR NOx-ARME VERBRENNUNG MIT GESTUFTER LUFTZUFUHR UND ABGASRÜCKFÜHRUNG
DE2161638C3 (de) Verfahren zur Vergleichmäßigung der Beheizung von Horizontalkammer-Verkokungsöfen und Einrichtung zur Durchführung des Verfahrens
DE3930037C2 (de) Wasserrohrkessel zur Dampferzeugung
DE3331989A1 (de) Verfahren zur verminderung der no(pfeil abwaerts)x(pfeil abwaerts)-emission bei der verbrennung von stickstoffhaltigen brennstoffen
DE2261591A1 (de) Verbrennungsverfahren und brenner zur durchfuehrung des verfahrens
DE2908427A1 (de) Verfahren zur verminderung der no tief x -emission
DE3040830C2 (de) Verfahren zur Verminderung der NO↓X↓ -Emission bei der Verbrennung von stickstoffhaltigen Brennstoffen
EP0132584A2 (fr) Procédé et installation pour diminuer l'émission de la matière nocive dans les gaz d'échappement des installations de combustion
DE3609622A1 (de) Verfahren zur flammenstabilisierung und verbrennungsintensivierung sowie brenner und dessen verwendung
DE3231699C2 (de) Verfahren und Vorrichtung zur Erzeugung einer schwärzenden bzw. bläuenden Oxidschicht auf der Oberfläche von pulvermetallurgisch hergestellten eisenenthaltenden Teilen
DE60014213T2 (de) Koksofen und Verfahren zum Betrieb desselben
DE2850551A1 (de) Mehrstufenverfahren zur verbrennung von gebundenen stickstoff enthaltenden kraftstoffen
DE570127C (de) Regenerativschwachgas- oder Verbundkoksofen
DE385365C (de) Heizgasfuehrung fuer Koksoefen
AT520134B1 (de) Verfahren zur reduktion von stickoxiden in bandbehandlungsöfen
DE25824C (de) Neuerung an Koksöfen mit Gewinnung der Nebenprodukte
DE186076C (de) Liegender Koksofen mit senkrechten Heizzügen.
DE1671318A1 (de) Regenerativkoksofenbatterie
DE1032716B (de) Koksofenbatterie zur Erzeugung von Koks und Gas
DE1055496B (de) Verfahren und Einrichtung zum gleichmaessigen Beheizen von Koksoefen

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

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE FR GB IT LU NL SE

17P Request for examination filed

Effective date: 19860428

17Q First examination report despatched

Effective date: 19870421

ITF It: translation for a ep patent filed

Owner name: BARZANO' E ZANARDO MILANO S.P.A.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR GB IT LU NL SE

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
REF Corresponds to:

Ref document number: 3564130

Country of ref document: DE

Date of ref document: 19880908

ET Fr: translation filed
PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: STILL OTTO GMBH

Effective date: 19890503

Opponent name: DIDIER ENGINEERING GMBH

Effective date: 19890428

NLR1 Nl: opposition has been filed with the epo

Opponent name: STILL OTTO GMBH

Opponent name: DIDIER ENGINEERING GMBH

ITTA It: last paid annual fee
PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: DEUTSCHE ENGINEERING DER VOEST-ALPINE INDUSTRIEANL

Effective date: 19890428

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

NLXE Nl: other communications concerning ep-patents (part 3 heading xe)

Free format text: IN PAT.BUL.16/89,CORR.:DEUTSCHE ENGINEERING DER VOEST-ALPINE INDUSTRIEANLAGENBAU G.M.B.H.

R26 Opposition filed (corrected)

Opponent name: DEUTSCHE ENGINEERING DER VOEST-ALPINE INDUSTRIEANL

Effective date: 19890428

EPTA Lu: last paid annual fee
EAL Se: european patent in force in sweden

Ref document number: 85108019.2

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: DEUTSCHE ENGINEERING DER VOEST-ALPINE INDUSTRIEANL

Effective date: 19890428

NLR1 Nl: opposition has been filed with the epo

Opponent name: THYSSEN STILL OTTO ANLAGENTECHNIK GMBH

Opponent name: DEUTSCHE ENGINEERING DER VOEST-ALPINE INDUSTRIEANL

APAC Appeal dossier modified

Free format text: ORIGINAL CODE: EPIDOS NOAPO

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

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

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 19961026

NLR2 Nl: decision of opposition
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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

Ref country code: LU

Payment date: 20030605

Year of fee payment: 19

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

Ref country code: GB

Payment date: 20040528

Year of fee payment: 20

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

Ref country code: NL

Payment date: 20040530

Year of fee payment: 20

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

Ref country code: SE

Payment date: 20040603

Year of fee payment: 20

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

Ref country code: DE

Payment date: 20040604

Year of fee payment: 20

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

Ref country code: FR

Payment date: 20040609

Year of fee payment: 20

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

Ref country code: LU

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

Effective date: 20040628

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

Ref country code: BE

Payment date: 20040709

Year of fee payment: 20

BECA Be: change of holder's address

Owner name: *UHDE G.M.B.H.FRIEDRICH-UHDE-STRASSE 15, D-44141 D

Effective date: 20050531

BECH Be: change of holder

Owner name: *UHDE G.M.B.H.

Effective date: 20050531

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

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20050627

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

Ref country code: NL

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20050628

BE20 Be: patent expired

Owner name: *UHDE G.M.B.H.

Effective date: 20050628

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

EUG Se: european patent has lapsed
NLV7 Nl: ceased due to reaching the maximum lifetime of a patent

Effective date: 20050628

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

BE20 Be: patent expired

Owner name: *UHDE G.M.B.H.

Effective date: 20050628

BECA Be: change of holder's address

Owner name: *UHDE G.M.B.H.FRIEDRICH-UHDE-STRASSE 15, D-44141 D

Effective date: 20050531

BECH Be: change of holder

Owner name: *UHDE G.M.B.H.

Effective date: 20050531