EP0365813B1 - Installation for venting, burning and purifying of filling gases generated when charging a horizontal coking chamber - Google Patents

Installation for venting, burning and purifying of filling gases generated when charging a horizontal coking chamber Download PDF

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Publication number
EP0365813B1
EP0365813B1 EP89116933A EP89116933A EP0365813B1 EP 0365813 B1 EP0365813 B1 EP 0365813B1 EP 89116933 A EP89116933 A EP 89116933A EP 89116933 A EP89116933 A EP 89116933A EP 0365813 B1 EP0365813 B1 EP 0365813B1
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EP
European Patent Office
Prior art keywords
coke
combustion chamber
chamber
oven
burning
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
EP89116933A
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German (de)
French (fr)
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EP0365813A3 (en
EP0365813A2 (en
Inventor
Franz-Josef Schücker
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.)
Krupp Koppers GmbH
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Krupp Koppers GmbH
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Publication of EP0365813A2 publication Critical patent/EP0365813A2/en
Publication of EP0365813A3 publication Critical patent/EP0365813A3/en
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Publication of EP0365813B1 publication Critical patent/EP0365813B1/en
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    • 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
    • C10B27/00—Arrangements for withdrawal of the distillation gases
    • C10B27/04—Arrangements for withdrawal of the distillation gases during the charging operation of the oven

Definitions

  • the invention relates to a device for extracting, burning and cleaning the filling gases produced when charging horizontal chamber coking ovens, which has a combustion chamber.
  • Such a device is known from DE-AS 24 06 314. It is provided here that the flow velocity in the combustion chamber is less than 10 m / sec to ensure complete combustion of the coal and tar particles contained in the filling gas. This means that the combustion chamber has considerable dimensions and a very high weight. In the usual arrangement of the combustion chamber on the filling car, this results in a considerably greater weight, which must be carried by the furnace roof, and a greater length. However, placing the combustion chamber on a trailer that is moved with the filling truck also leads to an undesirable additional load on the furnace ceiling.
  • the invention is therefore based on the object of designing the device for extracting, burning and cleaning the filling gases in such a way that, in addition to relieving the furnace ceiling of the weight of the combustion chamber, environmentally friendly treatment of the filling gases is also achieved.
  • the combustion chamber can be connected to the stationary suction line of the coke-side dedusting.
  • combustion chamber can be connected to the connecting channel between the dedusting hood of the coke transfer machine and the stationary suction line.
  • the invention is based on the fact that coke oven batteries according to today's standard are equipped with coke transfer machines with an integrated dedusting hood, with the aid of which the dust-laden gases that arise during coke pressing and those that rise from the glowing coke on the fire truck are collected.
  • the dedusting hood usually has a so-called belt loop wagon connection to a suction line laid along the coke side of the coke oven battery, which interacts with the blower and filter system.
  • the combustion chamber is thus housed on the coke transfer machine, via which the weight of the combustion chamber can be easily introduced into the track substructure, while the furnace top and filling car are completely relieved in terms of weight and space from the combustion chamber.
  • the connection of the combustion chamber to the stationary suction line of the coke-side dedusting ensures that the combustion gases leaving the combustion chamber only reach the atmosphere after they have been adequately cleaned.
  • the combustion chamber can be connected to the furnace chamber to be charged in different ways.
  • the invention provides that the combustion chamber can be connected to the furnace chamber through an opening in the coke-side furnace door.
  • the coke transfer machine is expediently provided with an actuating device for closing the opening in the oven door on the coke side.
  • the combustion chamber is arranged in the furnace ceiling through the with a cover lockable connecting piece for the transfer pipe can be connected to the furnace chamber to be charged.
  • This option is available for coke oven batteries in which the transfer of the filling gases from the oven chamber to be charged to an adjacent chamber was originally intended, for which purpose each oven chamber in the coke-side area of the oven ceiling is equipped with a connecting piece for the transfer pipe.
  • a connecting pipe with an integrated cover lifter for the cover of the connecting piece should then be attached to the combustion chamber.
  • the coke transfer machine designated as a whole by 1, can be moved along the coke side of the coke oven battery 4 by means of undercarriages 2, 3. It has a dedusting hood 5, which is connected to the stationary suction line 7 via a connecting channel 6.
  • the belt loop carriage 8 is used, which releases the entry of the connecting channel into the suction line in the respective operating position.
  • the connecting channel can be shut off with a flap 9.
  • the combustion chamber 10 is arranged on the coke transfer machine.
  • the combustion chamber can be connected to the furnace chamber 11 to be charged via a line 12 which can be inserted into an opening 13 in the furnace door 14 on the coke side.
  • the opening 13 is assigned a closure, not shown, which can be opened or closed on the coke transfer machine by means of an actuating device, also not shown here.
  • the combustion chamber 10 On the outlet side, the combustion chamber 10 has a connection to the connecting duct 6 through the connecting line 15, which is provided with a flap 16.
  • the connecting channel 6 is closed by closing the flap 9.
  • the connection of the combustion chamber to the suction line is now made by opening the flap 16 and at the same time the line 12 is inserted into the opening 13 of the furnace door 14.
  • the suction in the suction line 7 is effective up to the furnace chamber 11.
  • the filling gases that accumulate in the furnace chamber 11 during the charging thus enter the combustion chamber, where they are ignited and burned by means of an ignition device, not shown here.
  • the burned-out gases are cooled to a certain extent by admixed air that is sucked in through an annular gap 17 and reach the suction line 7 via connecting line 15 and connecting channel 6, where they flow to a filter system, not shown here, in from which they are dedusted, just like the gases previously produced by the coke being pressed.
  • connection piece for the transfer pipe in the furnace ceiling 19 is designated by 18.
  • 20 is the connecting pipe of the combustion chamber 10, at the furnace-side end of which a connector 21 which can be placed on the connecting piece 18 is arranged.
  • the latter is provided with a lid lifter 22 for the lid 23 of the connecting piece 18.

Description

Einrichtung zum Absaugen, Verbrennen und Reinigen der beim Beschicken von Horizontalkammer-Verkokungsöfen anfallenden Füllgase.Device for extracting, burning and cleaning the filling gases generated when loading horizontal chamber coking ovens.

Die Erfindung betrifft eine Einrichtung zum Absaugen, Verbrennen und Reinigen der beim Beschicken von Horizontalkammer-Verkokungsöfen anfallenden Füllgase, die eine Brennkammer aufweist.The invention relates to a device for extracting, burning and cleaning the filling gases produced when charging horizontal chamber coking ovens, which has a combustion chamber.

Eine derartige Einrichtung ist aus der DE-AS 24 06 314 bekannt. Hierbei ist vorgesehen, daß zur Sicherstellung einer vollständigen Verbrennung der im Füllgas enthaltenen Kohle-und Teerpartikel die Strömungsgeschwindigkeit in der Brennkammer weniger als 10 m/sec beträgt. Dies bedingt, daß die Brennkammer beachtliche Abmessungen und ein sehr hohes Gewicht aufweist. Bei der üblichen Anordnung der Brennkammer auf dem Füllwagen ergibt sich für diesen ein erheblich größeres Gewicht, das von der Ofendecke getragen verden muß, sowie eine größere Länge. Aber auch die Unterbringung der Brennkammer auf einem Anhänger, der mit dem Füllwagen verfahren wird, führt zu einer unerwünschten Mehrbelastung der Ofendecke.Such a device is known from DE-AS 24 06 314. It is provided here that the flow velocity in the combustion chamber is less than 10 m / sec to ensure complete combustion of the coal and tar particles contained in the filling gas. This means that the combustion chamber has considerable dimensions and a very high weight. In the usual arrangement of the combustion chamber on the filling car, this results in a considerably greater weight, which must be carried by the furnace roof, and a greater length. However, placing the combustion chamber on a trailer that is moved with the filling truck also leads to an undesirable additional load on the furnace ceiling.

Es ist weiterhin aus der DE-C-882 691 bekannt, die Brennkammer auf der Koksüberleitmaschine anzuordnen, wobei sie an die jeweils zu beschickende Ofenkammer anschließbar ist. Hierbei werden die anfallenden Verbrennungsgase aus der Brennkammer ungereinigt in die Atmosphäre entlassen und stellen somit eine erhebliche Belastung für Personal und Umgebung der Koksofenbatterie dar.It is also known from DE-C-882 691 to arrange the combustion chamber on the coke transfer machine, it being connectable to the furnace chamber to be charged in each case. The resulting combustion gases are released from the combustion chamber into the atmosphere unpurified and thus represent a considerable burden for personnel and the environment of the coke oven battery.

Der Erfindung liegt daher die Aufgabe zugrunde, die Einrichtung zum Absaugen, Verbrennen und Reinigen der Füllgase so auszubilden, daß neben einer Entlastung der Ofendecke vom Gewicht der Brennkammer auch eine umweltverträgliche Behandlung der Füllgase erreicht wird.The invention is therefore based on the object of designing the device for extracting, burning and cleaning the filling gases in such a way that, in addition to relieving the furnace ceiling of the weight of the combustion chamber, environmentally friendly treatment of the filling gases is also achieved.

Erfindungsgemäß wird hierzu vorgeschlagen, daß die Brennkammer an die stationäre Absaugeleitung der koksseitigen Entstaubung anschließbar ist.For this purpose, it is proposed according to the invention that the combustion chamber can be connected to the stationary suction line of the coke-side dedusting.

Eine bevorzugte Ausführungsform der Erfindung besteht darin, daß die Brennkammer an den Verbindungskanal zwischen der Entstaubungshaube der Koksüberleitmaschine und der stationären Absaugeleitung anschließbar ist.A preferred embodiment of the invention is that the combustion chamber can be connected to the connecting channel between the dedusting hood of the coke transfer machine and the stationary suction line.

Die Erfindung geht hierbei davon aus, daß nach heutigem Standard Koksofenbatterien mit Koksüberleitmaschinen mit integrierter Entstaubungshaube ausgerüstet sind, mit deren Hilfe die während des Koksdrückens entstehenden sowie die vom glühenden Koks auf dem Löschwagen aufsteigenden staubbeladenen Gase aufgefangen werden. Die Entstaubungshaube hat dabei üblicherweise über einen sogenannten Bandschleifenwagen Anschluß an eine entlang der Koksseite der Koksofenbatterie verlegte Absaugeleitung, die mit Gebläse und Filteranlage zusammenwirkt.The invention is based on the fact that coke oven batteries according to today's standard are equipped with coke transfer machines with an integrated dedusting hood, with the aid of which the dust-laden gases that arise during coke pressing and those that rise from the glowing coke on the fire truck are collected. The dedusting hood usually has a so-called belt loop wagon connection to a suction line laid along the coke side of the coke oven battery, which interacts with the blower and filter system.

Die Brennkammer ist hierbei also auf der Koksüberleitmaschine untergebracht, über die das Gewicht der Brennkammer problemlos in den Gleisunterbau eingeleitet werden kann, während Ofendecke und Füllwagen gewichtsmäßig und räumlich von der Brennkammer völlig entlastet sind. Dabei ist durch den Anschluß der Brennkammer an die stationäre Absaugeleitung der koksseitigen Entstaubung gewährleistet, daß die die Brennkammer verlassenden Verbrennungsgase erst nach hinreichender Reinigung in die Atmosphäre gelangen.The combustion chamber is thus housed on the coke transfer machine, via which the weight of the combustion chamber can be easily introduced into the track substructure, while the furnace top and filling car are completely relieved in terms of weight and space from the combustion chamber. The connection of the combustion chamber to the stationary suction line of the coke-side dedusting ensures that the combustion gases leaving the combustion chamber only reach the atmosphere after they have been adequately cleaned.

Der Anschluß der Brennkammer an die zu beschickende Ofenkammer kann auf unterschiedliche Weise erfolgen. So sieht die Erfindung zum einen vor, daß die Brennkammer durch eine öffnung in der koksseitigen Ofentür an die Ofenkammer anschließbar ist. Hierbei ist zweckmäßig die Koksüberleitmaschine mit einer Betätigungseinrichtung für den Verschluß der öffnung in der koksseitigen Ofentür versehen.The combustion chamber can be connected to the furnace chamber to be charged in different ways. On the one hand, the invention provides that the combustion chamber can be connected to the furnace chamber through an opening in the coke-side furnace door. In this case, the coke transfer machine is expediently provided with an actuating device for closing the opening in the oven door on the coke side.

Gemäß einem anderen Vorschlag der Erfindung ist vorgesehen, daß die Brennkammer durch den in der Ofendecke angeordneten, mit einem Deckel verschließbaren Anschlußstutzen für das Überleitrohr an die zu beschickende Ofenkammer anschließbar ist. Diese Möglichkeit bietet sich bei Koksofenbatterien an, bei denen ursprünglich das überleiten der Füllgase aus der jeweils zu beschickenden Ofenkammer in eine Nachbarkammer vorgesehen war, wozu also jede Ofenkammer im koksseitigen Bereich der Ofendecke mit einem Anschlußstutzen für das überleitrohr ausgerüstet ist. Hierbei soll dann nach einem weiteren Merkmal der Erfindung an die Brennkammer ein Anschlußrohr mit integriertem Deckelabheber für den Deckel des Anschlußstutzens angesetzt sein.According to another proposal of the invention it is provided that the combustion chamber is arranged in the furnace ceiling through the with a cover lockable connecting piece for the transfer pipe can be connected to the furnace chamber to be charged. This option is available for coke oven batteries in which the transfer of the filling gases from the oven chamber to be charged to an adjacent chamber was originally intended, for which purpose each oven chamber in the coke-side area of the oven ceiling is equipped with a connecting piece for the transfer pipe. According to a further feature of the invention, a connecting pipe with an integrated cover lifter for the cover of the connecting piece should then be attached to the combustion chamber.

Die Erfindung wird im folgenden anhand der Zeichnungen näher erläutert, die zwei Ausführungsformen darstellen. Es zeigen:

Fig. 1
die erfindungsgemäße Einrichtung mit Anschluß der Brennkammer an die Öffnung in der koksseitigen Ofentür und
Fig. 2
die erfindungsgemäße Einrichtung mit Anschluß der Brennkammer an den Anschlußstutzen für das Überleitrohr.
The invention is explained in more detail below with reference to the drawings, which represent two embodiments. Show it:
Fig. 1
the device according to the invention with connection of the combustion chamber to the opening in the coke-side oven door and
Fig. 2
the device according to the invention with connection of the combustion chamber to the connecting piece for the transfer pipe.

Gemäß Fig. 1 ist die als Ganzes mit 1 bezeichnete Koksüberleitmaschine mittels Fahrwerken 2, 3 entlang der Koksseite der Koksofenbatterie 4 verfahrbar. Sie weist eine Entstaubungshaube 5 auf, die über einen Verbindungskanal 6 mit der stationären Absaugeleitung 7 verbunden ist. Hierzu dient der Bandschleifenwagen 8, der den Eintritt des Verbindungskanals in die Absaugeleitung in der jeweiligen Betriebsstellung freigibt. Der Verbindungskanal ist mit einer Klappe 9 absperrbar.1, the coke transfer machine, designated as a whole by 1, can be moved along the coke side of the coke oven battery 4 by means of undercarriages 2, 3. It has a dedusting hood 5, which is connected to the stationary suction line 7 via a connecting channel 6. For this purpose, the belt loop carriage 8 is used, which releases the entry of the connecting channel into the suction line in the respective operating position. The connecting channel can be shut off with a flap 9.

Auf der Koksüberleitmaschine ist erfindungsgemäß die Brennkammer 10 angeordnet. Die Brennkammer kann im vorliegenden Fall mit der zu beschickenden Ofenkammer 11 über eine Leitung 12, die in einer Öffnung 13 der koksseitigen Ofentür 14 einschiebbar ist, verbunden werden. Der Öffnung 13 ist ein nicht dargestellter Verschluß zugeordnet, der mittels einer hier ebenfalls nicht gezeigten Betätigungseinrichtung auf der Koksüberleitmaschine geöffnet bzw. geschlossen werden kann. Austrittsseitig hat die Brennkammer 10 durch die Verbindungsleitung 15, die mit einer Klappe 16 versehen ist, Anschluß an den Verbindungskanal 6.According to the invention, the combustion chamber 10 is arranged on the coke transfer machine. In the present case, the combustion chamber can be connected to the furnace chamber 11 to be charged via a line 12 which can be inserted into an opening 13 in the furnace door 14 on the coke side. The opening 13 is assigned a closure, not shown, which can be opened or closed on the coke transfer machine by means of an actuating device, also not shown here. On the outlet side, the combustion chamber 10 has a connection to the connecting duct 6 through the connecting line 15, which is provided with a flap 16.

Nach Beendigung des Druckvorganges, während dessen durch die Entstaubungshaube die vom stürzenden und auf dem nicht dargestellten Löschwagen befindlichen Koks aufsteigenden staubbeladenen Gase aufgefangen worden sind, wird der Verbindungskanal 6 durch Schließen der Klappe 9 geschlossen. Für den folgenden Füllvorgang in der Ofenkammer 11 wird nunmehr durch Öffnen der Klappe 16 der Anschluß der Brennkammer an die Absaugeleitung hergestellt und gleichzeitig die Leitung 12 in die Öffnung 13 der Ofentür 14 eingeschoben. Die Saugung in der Absaugeleitung 7 wird dadurch bis in die Ofenkammer 11 wirksam. Die während der Beschickung in der Ofenkammer 11 anfallenden Füllgase gelangen so in die Brennkammer, wo sie mittels einer hier nicht dargestellten Zündvorrichtung gezündet und verbrannt werden. Bei ihrem Austritt aus der Brennkammer werden die ausgebrannten Gase durch beigemischte Luft, die durch einen Ringspalt 17 angesaugt wird, in gewissem Umfang gekühlt und gelangen über Verbindungsleitung 15 und Verbindungskanal 6 in die Absaugeleitung 7. Darin strömen sie zu einer hier nicht dargestellten Filteranlage, in der sie ebenso wie die zuvor vom gedrückten Koks anfallenden Gase entstaubt werden.After the printing process has ended, during which the dust-laden gases rising from the coke falling and on the fire-fighting vehicle, not shown, have been collected by the dedusting hood, the connecting channel 6 is closed by closing the flap 9. For the following filling process in the furnace chamber 11, the connection of the combustion chamber to the suction line is now made by opening the flap 16 and at the same time the line 12 is inserted into the opening 13 of the furnace door 14. The suction in the suction line 7 is effective up to the furnace chamber 11. The filling gases that accumulate in the furnace chamber 11 during the charging thus enter the combustion chamber, where they are ignited and burned by means of an ignition device, not shown here. When they leave the combustion chamber, the burned-out gases are cooled to a certain extent by admixed air that is sucked in through an annular gap 17 and reach the suction line 7 via connecting line 15 and connecting channel 6, where they flow to a filter system, not shown here, in from which they are dedusted, just like the gases previously produced by the coke being pressed.

In Fig. 2 sind die Elemente, die denen gemäß Fig. 1 entsprechen, mit denselben Bezugszahlen versehen. Die Ausführungsform gemäß Fig. 2 unterschiedet sich hierbei von der vorstehend beschriebenen lediglich durch eine andere Art des Anschlusses der Brennkammer 10 an die Ofenkammer 11. Hier ist mit 18 der Anschlußstutzen für das Überleitrohr in der Ofendecke 19 bezeichnet. 20 ist das Anschlußrohr der Brennkammer 10, an dessen ofenseitigem Ende ein auf den Anschlußstutzen 18 aufsetzbares Verbindungsstück 21 angeordnet ist. Letzteres ist mit einem Deckelabheber 22 für den Deckel 23 des Anschlußstutzens 18 versehen.In Fig. 2, the elements corresponding to those shown in Fig. 1 are given the same reference numerals. The embodiment according to FIG. 2 differs from the one described above only by a different type of connection of the combustion chamber 10 to the furnace chamber 11. Here, the connection piece for the transfer pipe in the furnace ceiling 19 is designated by 18. 20 is the connecting pipe of the combustion chamber 10, at the furnace-side end of which a connector 21 which can be placed on the connecting piece 18 is arranged. The latter is provided with a lid lifter 22 for the lid 23 of the connecting piece 18.

Claims (6)

  1. Device for extracting, burning and purifying the filling gases, which arise on charging horizontal-chamber coking ovens, having a combustion chamber which is arranged on the coke-transferring machine and can be connected to the oven chamber to be charged, characterised in that the combustion chamber (10) can be connected to the fixed extraction line (7) of the dust removal unit on the coke side.
  2. Device according to Claim 1, characterised in that the combustion chamber (10) can be connected to the duct (6) connecting the dust removal hood (5) of the coke-transferring machine (1) to the fixed extraction line (7).
  3. Device according to Claim 1, characterised in that the combustion chamber (10) can be connected via an opening (13) in the coke-side oven door (14) to the oven chamber (11) to be charged.
  4. Device according to Claim 3, characterised in that the coke-transferring machine (1) is provided with an actuation device for closing the opening (13) in the coke-side oven door (14).
  5. Device according to Claim 1, characterised in that the combustion chamber (10) can be connected via the connection branch (18), which is located in the oven top (19) and can be closed by a cover (23), for the transfer pipe to the oven chamber (11) to be charged.
  6. Device according to Claim 5, characterised in that a connection pipe (20) with an integrated cover lifter (22) for the cover (23) of the connection branch (18) is attached to the combustion chamber (10).
EP89116933A 1988-10-22 1989-09-13 Installation for venting, burning and purifying of filling gases generated when charging a horizontal coking chamber Expired - Lifetime EP0365813B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3836034A DE3836034A1 (en) 1988-10-22 1988-10-22 DEVICE FOR EXTRACTION, BURNING AND CLEANING THE FUEL GASES RESULTING FROM THE CHARGING OF HORIZONTAL CHAMBER COCING OVENS
DE3836034 1988-10-22

Publications (3)

Publication Number Publication Date
EP0365813A2 EP0365813A2 (en) 1990-05-02
EP0365813A3 EP0365813A3 (en) 1991-04-17
EP0365813B1 true EP0365813B1 (en) 1993-04-07

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Application Number Title Priority Date Filing Date
EP89116933A Expired - Lifetime EP0365813B1 (en) 1988-10-22 1989-09-13 Installation for venting, burning and purifying of filling gases generated when charging a horizontal coking chamber

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EP (1) EP0365813B1 (en)
DE (2) DE3836034A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0844296A2 (en) 1996-11-22 1998-05-27 Krupp Uhde GmbH Discharge system for coke oven charging gases

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101182419B (en) * 2007-12-04 2011-11-09 山东净化环保设备有限公司 Coke oven smoke prevention and dust control vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218916A (en) * 1937-12-27 1940-10-22 Koppers Co Inc Means for removing smoke and gas and other exhaust products from coke ovens for the production of gas and coke
DE864695C (en) * 1943-06-16 1953-01-26 Koppers Gmbh Heinrich Device for sucking off and burning the filling gases from coke oven
FR1280359A (en) * 1961-02-13 1961-12-29 Improvements in methods and devices for sucking off the gases given off when filling coke ovens arranged in a battery
DE1865525U (en) * 1962-11-09 1963-01-17 Schuechtermann & Kremer DEVICE FOR BURNING THE FILLING GASES AND DUST ESCAPED FROM THE RISING PIPES WHEN FILLING COOK CHAMBERS WITH A COMBUSTION CHAMBER.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0844296A2 (en) 1996-11-22 1998-05-27 Krupp Uhde GmbH Discharge system for coke oven charging gases

Also Published As

Publication number Publication date
DE3836034A1 (en) 1990-04-26
DE58904007D1 (en) 1993-05-13
EP0365813A3 (en) 1991-04-17
EP0365813A2 (en) 1990-05-02

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