EP0998542A1 - Dispositif et procede pour etancheifier un jour de porte a nivelage d'une chambre de four a coke - Google Patents

Dispositif et procede pour etancheifier un jour de porte a nivelage d'une chambre de four a coke

Info

Publication number
EP0998542A1
EP0998542A1 EP98940145A EP98940145A EP0998542A1 EP 0998542 A1 EP0998542 A1 EP 0998542A1 EP 98940145 A EP98940145 A EP 98940145A EP 98940145 A EP98940145 A EP 98940145A EP 0998542 A1 EP0998542 A1 EP 0998542A1
Authority
EP
European Patent Office
Prior art keywords
leveling
sealing
housing
coke oven
oven 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
EP98940145A
Other languages
German (de)
English (en)
Other versions
EP0998542B1 (fr
Inventor
Hans-Josef Giertz
Friedrich-Wilhelm Cyris
Friedrich Huhn
Franz Liesewitz
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.)
Deutsche Montan Technologie GmbH
Original Assignee
Deutsche Montan Technologie 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
Application filed by Deutsche Montan Technologie GmbH filed Critical Deutsche Montan Technologie GmbH
Publication of EP0998542A1 publication Critical patent/EP0998542A1/fr
Application granted granted Critical
Publication of EP0998542B1 publication Critical patent/EP0998542B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C10B25/00—Doors or closures for coke ovens
    • C10B25/02—Doors; Door frames
    • C10B25/16—Sealing; Means for sealing
    • 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
    • C10B37/00—Mechanical treatments of coal charges in the oven
    • C10B37/02—Levelling charges, e.g. with bars
    • 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 and a method for sealing a leveling door opening of a coke oven chamber according to the preamble of claims 1 and 15, respectively.
  • the coking coal When coking hard coal, the coking coal is usually filled into the coke oven chamber through filling holes in the chamber ceiling. With this so-called loading in bulk operation, pouring cones are formed under the filling holes, which have to be leveled during the filling process with a leveling device in order to fully utilize the chamber space and to leave free discharge space for the filling gases below the chamber ceiling.
  • the device required for leveling with a leveling rod that can be moved into the furnace chamber from the outside through a so-called leveling door opening, is usually mounted on the coke press machine referred to below as the printing machine.
  • This printing machine can be moved along the coke oven battery from the coke oven chamber to the coke oven chamber in order to use a pressure rod to remove the fully cooked coke cake from the
  • the printing press has actuating devices for opening and closing or locking the coke oven chamber doors located on the machine side and the leveling doors closing the leveling door opening.
  • DE 33 40 067 C2 discloses a sealing device for the leveling door opening with a housing which can be sealingly connected to the leveling opening and from which a transfer pipe branches off to an adjacent coke oven chamber.
  • DE-AS 11 27 868 discloses a device for preventing the filling gases from escaping through the leveling opening with a tube surrounding the leveling rod, the length of which is approximately equal to the distance between two adjacent cross bars of the leveling rod.
  • Nozzles of air are blown in the direction of the leveling door opening and extracted there with the suction fan.
  • the suction can be adjusted with a throttle in such a way that an air seal is to be created in the housing outside the leveling door opening, which should prevent gases and flames from escaping from the leveling door opening.
  • a closed space is to be created in front of the leveling door opening, in which a pressure builds up corresponding to the pressure in the coke oven chamber, so that there is no noticeable pressure difference between the coke oven chamber and the space in front of the leveling door opening.
  • This device prevents filling gases from entering the leveling door opening.
  • the setting of the suction with a throttle is relatively imprecise, so that under certain circumstances air is blown into the coke oven chamber or filler gases are sucked out of the coke oven chamber.
  • the invention has for its object to provide simple devices and methods that ensure a closed space outside the bulldozer opening and thus prevent the emissions of filler gases through the bulldozer opening.
  • the invention is based on the basic idea that the negative pressure present in the coke oven chamber during filling with coking coal is also maintained in the area of the leveling door.
  • a seal is achieved which corresponds in its sealing function to a closed leveling door.
  • the area in front of and / or in the leveling gate opening is either by fluidic measures, i. H.
  • the suction fan according to claim 1 is - preferably - set such that a flow in the space in front of the leveling door opening no longer occurs. This creates a flow dead zone in the space in front of and / or in the leveling door opening. The flow in this area is measured at a measuring point and the measuring signal is used to regulate or control the suction fan.
  • suction fan outlet it is also possible to connect the suction fan outlet to an adjacent coke oven chamber.
  • the negative pressure of the neighboring coke oven chamber is also used.
  • the suction is operated in such a way that filling gases are sucked into the neighboring furnace.
  • the space in front of the leveling door opening is closed by mechanical sealing in such a way that no filling gases can escape.
  • the leveling rod is sealed at the top and bottom by the sealing plates.
  • the leveling rod is sealed at the side by sealing strips. This sealing of the leveling rod from the outside in combination with the crossbars forms a closed hollow box, since the sealing plates seal at least the area of two crossbars.
  • the sealing plates can be mounted such that they rest on the side bars, on the cross bars or on side and cross bars of the leveling rod.
  • a pressure medium e.g. B. springs are pressed against the side webs of the leveling bar.
  • the reinforcement of the seal by the sealing strips on the side bars of the leveling rod, e.g. B. by means of springs is also possible.
  • the sealing plates can also be arranged in the housing in such a way that they are pressed against the leveling bar by the vacuum present within the leveling bar, which likewise increases the sealing effect.
  • the sealing plates can be provided with roundings and / or bevels on their edges. This prevents the leveling rod from hitting the edges of the sealing plates during the leveling process. It is also possible to divide the sealing sheet into several segments. As a result, the sealing plate can remove any unevenness in the leveling rod and
  • the sealing plates can be equipped with abrasives for better durability.
  • the housing can be dispensed with when using sealing plates, since a housing is formed by the sealing plates and the side webs of the leveling rod.
  • the leveling coal collecting container can be arranged anywhere outside the area of the sealing plates.
  • a seal of the inner cross section of the leveling rod is provided between the side webs.
  • These sealing elements must be designed so that they can avoid the crossbars of the leveling rod.
  • the space between the side bridges of the The leveling rod and the housing are sealed by one or more sealing strips arranged one behind the other.
  • pendulum flaps in the housing.
  • the pendulum flaps can be hanging in z.
  • one-piece flap design can be arranged in the housing. They seal the cross section between the side bars of the leveling bar. If the leveling rod moves, the crossbars of the leveling rod press against the pendulum flap when approaching and touching it. The pendulum flap becomes
  • Another option would be to seal the inner cross-section of the leveling rod with cellular wheels.
  • Cell wheels are arranged in a cell wheel housing above and / or below the leveling bar in such a way that the cell wheel blades engage in an overlapping manner in the space between the side bars of the leveling bar. If the leveling rod moves, the crosswheels cause the cell wheels to rotate.
  • the lower cellular wheel housing can be equipped with a coal discharge for the leveling coal.
  • the cellular wheel can also be dimensioned such that the cellular wheel wings, like the pendulum flaps, seal the entire cross section between the side webs of the leveling rod.
  • a sealing plate is arranged in the lower part of the housing opposite the cellular wheel, which seals at least the area of two transverse webs of the leveling rod and can also consist of the bottom plate of a housing surrounding the leveling rod.
  • Another possibility of the inner leveling rod seal is the installation of movable rollers in a roller housing.
  • the rollers are dimensioned such that they take up and seal the entire cross-section between the side bars of the leveling bar.
  • the rollers can move up and down within the roller housing, thus avoiding the crossbars of the leveling bar.
  • seals can be arranged several times in the housing. It is also possible to combine the suction fan with a seal by means of sealing plates and / or movable sealing elements.
  • the housing can also be made so large that the leveling flap can be opened or locked within the housing.
  • Shape design, material selection and technical conception do not have any special exceptions, so that the selection criteria known in the respective area of application are used without restriction.
  • Fig. 1 is a perspective view of an embodiment of the sealing device with suction fan; 2 shows a second embodiment with sealing plates and sealing strips;
  • Fig. 3 shows a third embodiment with swing flaps
  • Fig. 4 shows a fourth embodiment with a cellular wheel and a sealing plate as well
  • FIG. 5 shows a fifth embodiment in which a plurality of sealing plates are combined with a suction fan.
  • FIG. 1 shows a housing 1 which is open at both opposite ends and into which a leveling rod 2 with top and bottom webs 3 and cross webs 4 which is open at the top and bottom can move in and out.
  • the housing 1 is close to
  • a suction blower 8 with a suction line 15 connected to the housing 1 is arranged above the housing 1.
  • the suction fan is adjusted so that essentially no gas flow takes place in the housing 1 near the leveling door opening 5 of the coke oven chamber 6; rather, a flow dead zone 9 is formed in an end of the housing 1 or the one that is between the interior of the coke oven chamber 6 and the end of the housing door opening 5
  • Suction line 15 located area. The filling gases are sucked out through the riser pipe 7 while ambient air is sucked out through the suction fan 8 and does not get into the coke oven chamber. Any flow is detected at a measuring point 10.
  • sealing plates 11 and 12 are arranged in the housing 1 above and below the leveling rod 2, which is open at the top and bottom.
  • the sealing plates 11 and 12 lie on the upper and lower edges of the side webs 3 and the cross webs 4 of the leveling rod 2 and protrude from the Housing 1 at its end remote from the coke oven chamber 6.
  • the sealing plates 11 and 12 are made longer than the distance between two cross webs 4 serving as leveling bars. As a result, the leveling door opening 5 is always sealed to the outside by at least one cross bar 4 of the leveling bar 2 during the leveling process.
  • the side webs 3 of the leveling rod 2 are also sealed by sealing strips 13 and 14.
  • the seal with pendulum flaps can be seen from FIG. 3.
  • two swing flaps 20 and 21 are shown, which can swing about axes of rotation 22 and 23, respectively.
  • the remaining reference symbols have the same meaning as in the previous figures.
  • the swing flaps 20 and 21 seal the inner cross section between the side webs 3 of the leveling rod 2 and cross-sectional areas of the housing above and below.
  • the side webs 3 of the leveling rod 2 are sealed to the outside by sealing strips 13, 14 and 24, 25. If the leveling rod 2 moves into the coke oven chamber 6, the crosspieces 4 abut against the
  • Pendulum flaps 21 and 22 The pendulum flaps evade the crossbars 4 by a pendulum movement and, after swinging back, seal the area between the side webs 3 of the leveling bar 2 again.
  • FIG. 4 shows a four-winged cellular wheel 40 in a cellular wheel housing 41, the cellular wheel blades 42 of which cover the entire cross section between the side webs 3 of the leveling rod 2.
  • a sealing plate 43 is arranged, which on the lower edges of the

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coke Industry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Electric Ovens (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
EP98940145A 1997-07-08 1998-07-06 Dispositif et procede pour etancheifier un jour de porte a nivelage d'une chambre de four a coke Expired - Lifetime EP0998542B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19729032A DE19729032C1 (de) 1997-07-08 1997-07-08 Vorrichtung zum Abdichten einer Planiertüröffnung einer Koksofenkammer
DE19729032 1997-07-08
PCT/EP1998/004157 WO1999002625A1 (fr) 1997-07-08 1998-07-06 Dispositif et procede pour etancheifier un jour de porte a nivelage d'une chambre de four a coke

Publications (2)

Publication Number Publication Date
EP0998542A1 true EP0998542A1 (fr) 2000-05-10
EP0998542B1 EP0998542B1 (fr) 2002-09-25

Family

ID=7834936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98940145A Expired - Lifetime EP0998542B1 (fr) 1997-07-08 1998-07-06 Dispositif et procede pour etancheifier un jour de porte a nivelage d'une chambre de four a coke

Country Status (13)

Country Link
US (1) US6918999B1 (fr)
EP (1) EP0998542B1 (fr)
JP (1) JP3961766B2 (fr)
KR (1) KR100476151B1 (fr)
CN (1) CN1133712C (fr)
AT (1) ATE224940T1 (fr)
AU (1) AU743802B2 (fr)
DE (2) DE19729032C1 (fr)
RU (1) RU2194068C2 (fr)
TW (1) TW567224B (fr)
UA (1) UA51795C2 (fr)
WO (1) WO1999002625A1 (fr)
ZA (1) ZA985936B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100504394B1 (ko) * 2000-06-28 2005-07-29 주식회사 포스코 오븐탄화실 레벨러도어의 개폐 및 집진장치
KR100903423B1 (ko) * 2003-06-17 2009-06-18 주식회사 포스코 밀폐 및 카본 제거 기능을 갖춘 레벨러 시스템
CN100412163C (zh) * 2006-03-31 2008-08-20 山西省环境工程设计院(有限公司) 侧装捣固型焦炉机侧大炉门密封装置
CN101328412B (zh) * 2008-07-03 2013-05-08 孙宏原 一种清洁型热回收炼焦炉炉门柔性密封方法
CN104252141B (zh) * 2013-06-26 2018-01-19 上海梅山钢铁股份有限公司 一种控制焦炉平煤杆回退的方法
CN105838393A (zh) * 2016-05-23 2016-08-10 临涣焦化股份有限公司 一种炭化室加煤平煤方法

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US2268316A (en) * 1938-11-28 1941-12-30 Woodall Duckham 1920 Ltd Leveling bar seal for coke ovens
FR886880A (fr) * 1941-11-12 1943-10-27 Dispositifs de captation des gaz de fours à coke
DE1127868B (de) * 1960-05-24 1962-04-19 Koppers Gmbh Heinrich Vorrichtung zur Vermeidung des Austretens der Fuellgase durch die Planieroeffnung von Koksofentueren
US3647053A (en) * 1969-11-20 1972-03-07 United States Steel Corp Apparatus for and method of collecting smoke from coke ovens during charging
US3857758A (en) * 1972-07-21 1974-12-31 Block A Method and apparatus for emission free operation of by-product coke ovens
DE2246171B2 (de) * 1972-09-20 1975-03-27 Truetzschler & Co, 4070 Rheydt- Odenkirchen Staubfilter
US3821088A (en) 1973-03-21 1974-06-28 Bethlehem Steel Corp Coke oven pusher machine leveler bar seal
DE2364458C3 (de) * 1973-12-24 1980-04-30 Hartung, Kuhn & Co Maschinenfabrik Gmbh, 4000 Duesseldorf Verfahren und Vorrichtung zum Betrieb einer Planiervorrichtung
US3968014A (en) * 1974-03-29 1976-07-06 Interlake, Inc. Collection device for coke oven gases
GB1546572A (en) * 1975-08-08 1979-05-23 British Steel Corp Chemical Lt Methdod of emission control during charging of coke ovens
NL167988C (nl) * 1977-01-24 1982-02-16 Estel Hoogovens Bv Cokesfabriek, voorzien van een in een klimpijp aangebrachte stoominjecteur.
NL170016C (nl) * 1977-05-11 1982-09-16 Estel Hoogovens Bv Cokesfabriek, voorzien van een in een klimpijp aangebrachte stoominjecteur.
US4264263A (en) * 1978-10-10 1981-04-28 Bethlehem Steel Corporation Smoke seal for coke oven pusher machine leveler bar
DE3061632D1 (en) * 1979-10-24 1983-02-17 Krupp Koppers Gmbh Method of operating a coke oven battery
JPS5835637B2 (ja) * 1980-01-28 1983-08-03 三菱化学株式会社 コ−クス炉の黒煙発生防止方法
DE3340067C2 (de) * 1983-11-05 1985-09-19 Didier Engineering Gmbh, 4300 Essen Abdichteinrichtung für die Planieröffnung an einer Horizontalkammer einer Koksofenbatterie
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Also Published As

Publication number Publication date
UA51795C2 (uk) 2002-12-16
CN1133712C (zh) 2004-01-07
RU2194068C2 (ru) 2002-12-10
TW567224B (en) 2003-12-21
KR20010021603A (ko) 2001-03-15
ATE224940T1 (de) 2002-10-15
US6918999B1 (en) 2005-07-19
EP0998542B1 (fr) 2002-09-25
WO1999002625A1 (fr) 1999-01-21
DE19729032C1 (de) 1999-02-11
ZA985936B (en) 1999-05-04
CN1262700A (zh) 2000-08-09
KR100476151B1 (ko) 2005-03-10
AU743802B2 (en) 2002-02-07
JP3961766B2 (ja) 2007-08-22
AU8856498A (en) 1999-02-08
JP2001510855A (ja) 2001-08-07
DE59805721D1 (de) 2002-10-31

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