EP1230320A2 - Koksofentür mit gaskanal und türdichtleiste - Google Patents
Koksofentür mit gaskanal und türdichtleisteInfo
- Publication number
- EP1230320A2 EP1230320A2 EP00992740A EP00992740A EP1230320A2 EP 1230320 A2 EP1230320 A2 EP 1230320A2 EP 00992740 A EP00992740 A EP 00992740A EP 00992740 A EP00992740 A EP 00992740A EP 1230320 A2 EP1230320 A2 EP 1230320A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- coke oven
- oven chamber
- door
- door sealing
- gas
- 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
Links
- 239000000571 coke Substances 0.000 title claims abstract description 68
- 238000007789 sealing Methods 0.000 claims description 68
- 238000000034 method Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 85
- 239000003245 coal Substances 0.000 description 12
- 239000003570 air Substances 0.000 description 10
- 238000010411 cooking Methods 0.000 description 8
- 238000004939 coking Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 239000011272 tar condensate Substances 0.000 description 1
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
Definitions
- the invention relates to a coke oven chamber with at least one oven door and a gas channel which has at least one outer and at least one inner door sealing strip and essentially completely surrounds the oven door.
- the raw gas developing in the coal filling is under increased pressure, especially at the start of the cooking process, since it is difficult for the high coal bed to rise into the gas collection room above the bed.
- the raw gas will penetrate the door seal and emissions will result.
- the development of raw gas is reduced and with it the emission behavior.
- the decreasing evolution of raw gas in the coke oven chamber even creates a vacuum in the lower coke oven area. This creates the risk that outside air is sucked into the coke oven chamber, which can lead to oven damage.
- Coke oven doors are known in numerous embodiments, which should reliably bring about a gas-tight closure of the coke oven chamber.
- a coke oven door with a gas channel completely surrounding the coke oven door is known, which is delimited by elastically mounted sealing strips.
- This gas channel is connected to heating trains of the coke oven chamber in such a way that suction is caused. If so If raw gases flow into the gas duct through a sealing strip that is not completely sealed, the gases are sucked off into the respective heating flue by suction. An escape of raw gas from the furnace chamber into the atmosphere is thus reliably prevented.
- the pressure conditions of the heating cable (suction) in the gas duct are set. There is a constant negative pressure in the gas channel. This leads to the unwanted extraction of raw gas from the furnace chamber and if there is a leak on the outer sealing strip, there is a risk that air will be sucked into the gas duct.
- the invention has for its object to provide a sealing system to avoid emissions and air inlets in coke oven chambers that reliably prevents both the escape of raw gases from the coke oven chamber and the air entry into the coke oven chamber.
- the gas duct according to the invention which surrounds the coke oven door, has at least one permanent connection to the coke oven chamber.
- a connection to the gas collection space is preferred.
- the raw gas is under pressure in the coke oven chamber at the start of the cooking process. Due to local pressure peaks, the raw gas can get into the gas duct through the inner door sealing strip. There it relaxes and is no longer able to penetrate the outer sealing strip. Since the gas channel is connected to the coke oven chamber, the raw gas that accumulates in the gas channel is passed into the coke oven without emissions. This also applies to leaks, ie unwanted connections, on the inner door sealing strip.
- a permanent connection of the gas channel to the gas collection chamber in particular results in the unhindered formation of the gas collection chamber pressure in the gas channel. In the case of high coke oven chambers, it is advantageous to provide fluidic connections on the inner door sealing strip also below the gas collection chamber. Local pressure peaks near the door of the coke oven chamber can be quickly reduced in this way.
- the raw gas pressure in the coke oven chamber can drop to a negative pressure (e.g. in the area of the oven base). Conversely, the raw gas can now be sucked in from the gas duct into the coke oven chamber via the inner sealing strip.
- the advantage here is that no air can be sucked into the coke oven chamber because the gas channel is not filled with air but with raw gas.
- the gas channel is fluidly connected to the coke oven chamber.
- the same pressure as in the coke oven chamber is established in the gas channel in the sense of a gas pressure equalization.
- This makes it possible to influence or regulate the gas pressure in the gas channel by means of chamber pressure regulation.
- This can advantageously be done with the chamber pressure control known from DE 43 21 676 C2.
- the regulation or control of the gas pressure of the coke oven chamber takes place via a water level adjustment in the cup-shaped throttle element which can be filled with water and is arranged in the riser elbow.
- the gas channel is advantageously attached to the coke oven door. It can also be designed so that it can be used as a retrofit kit for an existing coke oven door. This means that emissions from existing coke oven chambers can be reduced with little effort. Another possibility is to integrate the gas duct into the door frame of the coke oven chamber.
- the gas duct can in principle have any cross section. So he can z. B. in the form of a trapezoid with unequal legs.
- the door sealing strips of the gas duct can also have different door sealing cutting edge shapes.
- the one-sided wedge-shaped design of the door sealing blade is preferred.
- this wedge-shaped embodiment of the sealing cutting edge has shown the best sealing results.
- the arrangement of the wedge side is of crucial importance.
- the respective wedge side of the inner and outer door sealing strip should preferably be arranged in the direction of the upcoming higher gas pressure on the relevant door sealing strip. As a result, the tar condensate which is formed is pressed into the wedge shape and the sealing of the door sealing strip is improved.
- the contact forces for the door sealing strips are decisively influenced by the respective door locks.
- the pressing forces can be divided such that the inner door sealing strip experiences a higher pressing force than the outer door sealing strip. This may be necessary due to the higher pressure of the raw gas on the inner door sealing strip.
- the distribution of forces must be determined on a case-by-case basis.
- the different distribution of forces can e.g. B. done by not at the same time on the sealing surfaces of the door frame elastic door sealing strips, ie the door sealing strips are made with different lengths with respect to the door frame.
- the door sealing strips can also have different bending behavior, e.g. B. by design and by different wall thicknesses.
- the connections between the coke oven chamber and the gas channel on the inner door sealing strip are provided with a throttling.
- the throttling is designed in such a way that it can be actuated continuously from the outside and during the furnace operation over the range from completely open to complete closure.
- the adjustable throttles it is possible to specifically influence the gas pressure in the gas duct by opening or closing the throttle and for each furnace door.
- a different gas pressure and any flow direction in the gas channel in the respective doors can be set on the coke side and the machine side. In this way, with different gas development and thus different pressure for each oven door, emissions can be avoided or air entry prevented by adjusting the throttles.
- This temperature range can be achieved by suitable measures, such as insulation or influencing the heat transport of the sealing blades, dissipation of the excess heat by cooling, such as. B. cooling fins, and providing suitable heat transfers.
- suitable measures such as insulation or influencing the heat transport of the sealing blades, dissipation of the excess heat by cooling, such as. B. cooling fins, and providing suitable heat transfers.
- a region of the door sealing strip has a temperature of above 200 ° C, it could be cooled to the temperature range of approximately 100 ° C to approximately 200 ° C by supplying a cooling medium.
- FIG. 1 shows a schematic illustration of the coke oven door with gas channel in a view from the outside (view A according to FIGS. 2 and 3),
- FIG. 2 shows a section A-A according to FIG. 1,
- FIG. 3 shows a section B-B according to FIG. 1 and
- Figure 4 different door sealing edge shapes of the door sealing strips of the gas duct
- Figure 5 shows a throttle on the fluidic connection of the inner door sealing strip.
- FIG. 1 shows an oven door 5 with a gas duct 1 which completely (circumferentially) surrounds the oven door 5.
- the oven door 5 closes a coke oven chamber 2 on the coke side KS, which is filled up to a coal filling level 3 with coking coal.
- the gas collection space 4 is located above the coal filling level 3.
- the gas channel 1 is delimited by an inner door sealing strip 7 and an outer door sealing strip 8. They form a U which is open towards the door frame 14 of the coke oven chamber 2 and which is closed by the door frame 14 by the door sealing strips resting on the door frame 14 (FIG. 2).
- Fluidic connections 9 in the form of cutouts are provided on the inner door sealing strip 7. Possible raw gas flows are shown at the fluidic connections 9 with arrows 6.
- FIG. 2 shows the oven door 5 according to section AA of FIG.
- the coking coal 12 is filled up to the coal filling level 3 in the coke oven chamber.
- FIG. 3 shows the oven door 5 according to section BB of FIG. 1.
- the gas collection space 4 is connected to the gas duct 1 via the opening 9.
- the reference symbols have the same meaning as in the previous figures.
- FIG. 4 shows different designs of the door sealing edges of the door sealing strips 7 and 8 of the gas channel 1.
- the door sealing edges are wedge-shaped on one side. They have wedge sides 15 and 16.
- FIG. 4b shows door sealing strips 7 and 8 with slots 17.
- the door sealing strips 7 and 8 have a round shape 18.
- FIG. 5 shows the throttling of the connections 9 in the representation according to FIG. 1.
- the connections 9 in the upper part of the gas channel 1 are each provided with a throttle 19 and 20.
- the throttles 19 and 20 have an actuation 21 and 22 with which the throttles 19 and 20 can be adjusted from the outside.
- the throttle 19 is shown in the closed state.
- the throttle 20 is open, ie through the connection 9 the gases can flow unhindered.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
- Special Wing (AREA)
Description
Claims
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19951467 | 1999-10-26 | ||
| DE19951467 | 1999-10-26 | ||
| DE10048678 | 2000-09-30 | ||
| DE10048678A DE10048678B4 (de) | 1999-10-26 | 2000-09-30 | Koksofentür mit Gaskanal sowie Verfahren zum Regeln oder Steuern des Gasdruckes einer Koksofenkammer |
| PCT/EP2000/010324 WO2001030939A2 (de) | 1999-10-26 | 2000-10-20 | Korsofentür mit gaskanal und türdichtleiste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1230320A2 true EP1230320A2 (de) | 2002-08-14 |
| EP1230320B1 EP1230320B1 (de) | 2004-05-06 |
Family
ID=26007234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00992740A Expired - Lifetime EP1230320B1 (de) | 1999-10-26 | 2000-10-20 | Koksofentür mit gaskanal und türdichtleiste |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US7067043B1 (de) |
| EP (1) | EP1230320B1 (de) |
| JP (1) | JP3935355B2 (de) |
| CN (1) | CN1194068C (de) |
| AT (1) | ATE266076T1 (de) |
| AU (1) | AU764489B2 (de) |
| BR (1) | BR0014984B1 (de) |
| CA (1) | CA2421289C (de) |
| CZ (1) | CZ303717B6 (de) |
| ES (1) | ES2219439T3 (de) |
| PL (1) | PL193892B1 (de) |
| TW (1) | TW573005B (de) |
| WO (1) | WO2001030939A2 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ303717B6 (cs) * | 1999-10-26 | 2013-04-03 | Deutsche Montan Technologie Gmbh | Komora koksárenské pece a zpusob regulace a rízení tlaku plynu komory koksárenské pece |
| DE10161659C1 (de) | 2001-12-14 | 2003-05-15 | Montan Tech Gmbh | Koksofentür mit Membrane |
| EP1533357A1 (de) * | 2002-06-13 | 2005-05-25 | Yamasaki Industries Co. Ltd. | VERKOKUNGSOFENABDECKUNG ZUR F RDERUNG EINER ERH HUNG DER TEMPERATUR VON KOHLETEILCHEN IN DER NûHE DER ABDECKUNG |
| WO2004007639A1 (ja) * | 2002-06-13 | 2004-01-22 | Yamasaki Industries Co., Ltd. | コークス炭化炉蓋近傍部を昇温促進するコークス炭化炉蓋 |
| BRPI0406530A (pt) * | 2003-01-31 | 2005-12-13 | Montan Tech Gmbh | Vedações para portas de fornos alimentados por coque e sua utilização |
| DE10331658B3 (de) * | 2003-01-31 | 2004-05-06 | Deutsche Montan Technologie Gmbh | Abdichtungen für Koksofentüren sowie deren Verwendung |
| EP1854866A1 (de) * | 2005-02-22 | 2007-11-14 | Yamasaki Industries Co. Ltd. | Temperaturerhöhende ofentür für kokscarbonisierungsofen |
| EP1850072B1 (de) * | 2006-04-24 | 2017-03-01 | LG Electronics Inc. | Backofentür |
| RU2421500C2 (ru) * | 2009-01-29 | 2011-06-20 | Сергей Иванович Разгонов | Дверь камеры сгорания печи |
| DE102012008936B3 (de) * | 2012-05-08 | 2013-11-14 | Thyssenkrupp Uhde Gmbh | Planierkasten einer Koksofenkammer mit einem darin enthaltenen feuerfesten Formkörper als Abstreifkontur, Planierstange und Verfahren zum Planieren einer Kohleschüttung in einer befüllten Koksofenkammer |
| CN115772414B (zh) * | 2022-12-21 | 2024-01-26 | 中冶焦耐自动化有限公司 | 一种实现焦炉无烟装煤与炭化室压力稳定的系统及方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2517685A1 (de) * | 1975-04-22 | 1976-11-04 | Didier Eng | Dichteinrichtung fuer eine koksofentuer |
| US4016045A (en) * | 1976-02-18 | 1977-04-05 | Koppers Company, Inc. | Coke oven door sealing system |
| DE2611414A1 (de) * | 1976-03-18 | 1977-09-29 | Didier Eng | Dichteinrichtung fuer eine koksofentuer |
| DE3409224A1 (de) * | 1984-03-14 | 1985-09-19 | Carl Still Gmbh & Co Kg, 4350 Recklinghausen | Leichtbaustopfen fuer koksofentueren |
| US4744867A (en) * | 1986-11-20 | 1988-05-17 | Suey Paul V | Door liner and door assembly for a coke oven |
| US4919764A (en) * | 1989-02-13 | 1990-04-24 | Saturn Machine & Welding Co., Inc. | Retrofit coke oven door seal |
| DE4103504A1 (de) * | 1990-04-20 | 1991-10-24 | Bergwerksverband Gmbh | Reaktorkammertuer fuer grossraumverkokungsreaktor |
| FR2680561A1 (fr) * | 1991-08-21 | 1993-02-26 | Lorraine Laminage | Dispositif d'etancheite entre une porte d'un four a coke et un cadre de porte. |
| DE4321676C2 (de) * | 1992-07-14 | 1995-11-16 | Bergwerksverband Gmbh | Verfahren und Vorrichtung zur Regelung des Gasdruckes einer Koksofenkammer |
| CZ303717B6 (cs) * | 1999-10-26 | 2013-04-03 | Deutsche Montan Technologie Gmbh | Komora koksárenské pece a zpusob regulace a rízení tlaku plynu komory koksárenské pece |
-
2000
- 2000-10-20 CZ CZ20021794A patent/CZ303717B6/cs not_active IP Right Cessation
- 2000-10-20 AT AT00992740T patent/ATE266076T1/de active
- 2000-10-20 CN CNB008145873A patent/CN1194068C/zh not_active Expired - Lifetime
- 2000-10-20 EP EP00992740A patent/EP1230320B1/de not_active Expired - Lifetime
- 2000-10-20 WO PCT/EP2000/010324 patent/WO2001030939A2/de not_active Ceased
- 2000-10-20 PL PL00354455A patent/PL193892B1/pl unknown
- 2000-10-20 BR BRPI0014984-5A patent/BR0014984B1/pt not_active IP Right Cessation
- 2000-10-20 JP JP2001533924A patent/JP3935355B2/ja not_active Expired - Lifetime
- 2000-10-20 AU AU28350/01A patent/AU764489B2/en not_active Expired
- 2000-10-20 US US10/111,742 patent/US7067043B1/en not_active Expired - Lifetime
- 2000-10-20 CA CA2421289A patent/CA2421289C/en not_active Expired - Lifetime
- 2000-10-20 ES ES00992740T patent/ES2219439T3/es not_active Expired - Lifetime
- 2000-10-24 TW TW89122290A patent/TW573005B/zh not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0130939A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2219439T3 (es) | 2004-12-01 |
| CZ303717B6 (cs) | 2013-04-03 |
| WO2001030939A3 (de) | 2001-10-25 |
| TW573005B (en) | 2004-01-21 |
| ATE266076T1 (de) | 2004-05-15 |
| CA2421289C (en) | 2010-08-24 |
| JP2003513147A (ja) | 2003-04-08 |
| WO2001030939A2 (de) | 2001-05-03 |
| CA2421289A1 (en) | 2001-05-03 |
| BR0014984A (pt) | 2002-06-18 |
| BR0014984B1 (pt) | 2011-08-09 |
| AU2835001A (en) | 2001-05-08 |
| CZ20021794A3 (cs) | 2003-01-15 |
| CN1194068C (zh) | 2005-03-23 |
| CN1382197A (zh) | 2002-11-27 |
| EP1230320B1 (de) | 2004-05-06 |
| AU764489B2 (en) | 2003-08-21 |
| PL193892B1 (pl) | 2007-03-30 |
| US7067043B1 (en) | 2006-06-27 |
| JP3935355B2 (ja) | 2007-06-20 |
| PL354455A1 (en) | 2004-01-12 |
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