EP1230321A1 - Verfahren und vorrichtung zur ableitung von heissen koksofenrohgasen - Google Patents
Verfahren und vorrichtung zur ableitung von heissen koksofenrohgasenInfo
- Publication number
- EP1230321A1 EP1230321A1 EP00967643A EP00967643A EP1230321A1 EP 1230321 A1 EP1230321 A1 EP 1230321A1 EP 00967643 A EP00967643 A EP 00967643A EP 00967643 A EP00967643 A EP 00967643A EP 1230321 A1 EP1230321 A1 EP 1230321A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hot
- shut
- coke oven
- valve housing
- throttle body
- 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
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
- C10B27/00—Arrangements for withdrawal of the distillation 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
- C10B27/00—Arrangements for withdrawal of the distillation gases
- C10B27/06—Conduit details, e.g. valves
Definitions
- the invention relates to a method for discharging hot raw gases which arise when coking in the furnace chambers of a coke oven battery.
- the invention has for its object to provide a method with which the hot raw gases produced during coking in the furnace chambers can be fed to a complete combustion or fission without further treatment and without lowering the raw gas temperature, and specifically without the coking process in the furnace chambers being affected.
- a predetermined, constant chamber pressure should always be guaranteed in the furnace chambers.
- the object of the invention and solution to this problem is a method for discharging hot raw gases, which at a Coking occurs in the oven chambers of a coke oven battery, whereby
- the raw gases from the furnace chambers are introduced into a hot receiver
- shut-off and throttling elements which are arranged in the hot gas streams between the raw gas outlet of the furnace chambers and the hot receiver and whose position is controlled as a function of the pressure measured in the associated furnace chamber
- the gas from the hot feed is fed to a boiler boiler or a cracking reactor.
- the hot template is kept under a slight negative pressure, which can correspond to a pressure drop of up to about 100 mm water column (water column) compared to atmospheric pressure, the gas pressure required in the furnace chambers being regulated by the shut-off and throttling elements arranged in the hot gas stream at the raw gas outlet of the furnace chambers becomes. It is also within the scope of the invention that the hot feed is operated at a pressure which is higher than atmospheric pressure.
- Throttle bodies have to withstand the high gas temperatures between 600 and 1000 ° C and have throttle bodies made of a high temperature resistant ceramic and / or metallic material.
- the opening cross-section of the shut-off and throttling elements is determined by the operating pressure
- Oven chambers controlled.
- a pressure pulse is taken from the furnace chambers and compared with a target value.
- the actuating movements of the shut-off and throttle devices are controlled in accordance with the setpoint / actual value deviations. It is also within the scope of the invention to separate individual furnace chambers from the hot receiver by closing the relevant devices in certain operating conditions, in particular in order to prevent the entry of air or oxygen-containing gas mixtures into the hot receiver.
- the raw gas is used for further use without lowering the raw gas temperature, not only the chemical energy bound in the raw gas is used, but also the sensible heat.
- the sensible heat discharged from the furnace chambers with the raw gases corresponds to approximately 20% of the coking heat or approximately 500 kJ per kg of coal which can also be used by the method according to the invention.
- gas treatment and waste water treatment systems are dispensed with and a coke oven battery can consequently be operated in such a way that only two products, on the one hand coke and on the other hand electrical current or synthesis / reducing gas, are produced.
- the method according to the invention is suitable for use in horizontal chamber furnaces, the advantages known from this technology, such as high coke output, uniform coke quality and high power density being retained in full.
- the invention also relates to a coke oven battery for carrying out the method described
- furnace chambers that have a raw gas outlet in the furnace ceiling, a hot template for the discharge of hot raw gases, which are formed when coking in the furnace chambers, and
- the devices for the raw gas supply each have a shut-off and throttle element with an associated actuator, and the actuators can be controlled as a function of the pressure measured in the furnace chamber and a pressure in the furnace chambers which is independent of an operation of the hot receiver can thereby be set.
- the shut-off and throttling members have a throttle body made of high-temperature-resistant ceramic and / or metallic material and are each arranged in a valve housing, the inlet connection of which is connected to the raw gas outlet of the furnace chamber and the outlet connection of which is connected to the hot template.
- the shut-off and throttle element is designed as a rotary slide valve, the axis of rotation of which is aligned with the inlet port of the valve housing and the underside of which is wedge-shaped. In a closed position, the rotary valve blocks the opening of the outlet port. With an actuating movement of the rotary slide valve, a flow path between the inlet connector and the outlet nozzle is delimited by the wedge-shaped surface.
- An upper bearing plate is expediently attached to the throttle body of the rotary valve. locks, which rests on an annular support surface of the valve housing and is guided thereon.
- the shut-off and throttle element has an axially adjustable piston-shaped throttle body, the actuating axis of which is aligned with the outlet port of the valve housing.
- the end face of the throttle body is formed with a conical seat which can be moved against an outlet-side conical ring surface of the valve housing.
- the piston-shaped throttle body is horizontally linear in a cylindrical housing section of the valve housing and rotated around the actuating axis.
- the throttle body is adjusted by a suitable actuator, e.g. a spindle driven by an electric motor.
- a third embodiment of the invention provides that the shut-off and throttle element has a conical throttle body, the actuating axis of which is aligned with the inlet port of the valve housing.
- the throttle body is movable against an outlet-side conical annular surface of the Ventilgeh uses.
- the throttle body is moved vertically and rotating about the vertical axis by a suitable adjusting mechanism.
- valve housing is expediently provided with a side inspection opening which is closed by a cover.
- La and lb a device for raw gas supply, which connects a raw gas outlet on the furnace ceiling of a coke oven battery with a hot template, in different functional divisions,
- the devices shown in the figures are used to discharge hot raw gases that arise when coking in the furnace chambers 1 of a coke oven battery.
- the raw gases emerging from the furnace chambers 1 at a temperature of approximately 800 ° C. are introduced into a hot receiver 2, which is operated in suction mode with a vacuum of 20 to 50 mm water column (water column) with respect to atmospheric pressure.
- the gas from the hot receiver 2 is fed to a boiler firing and completely burned or converted into a synthesis or reducing gas in a cracking reactor.
- the gas pressure required for the coking process in the furnace chambers 1 is determined by the
- the basic structure of the devices for raw gas supply shown in the figures each has a shut-off and throttle element 3 with an associated actuator 4.
- the actuator 4 is dependent on the
- the pressure measured in the furnace chamber 1 can be controlled so that a pressure in the furnace chambers 1 that is independent of a pressure level of the hot plate 2 can be set. With the devices it is also possible to separate individual furnace chambers from the hot system.
- the shut-off and throttling elements 3 have a throttle body 5 made of high-temperature-resistant ceramic and / or metallic material and are each arranged in a valve housing 7 arranged on the furnace ceiling 6, the inlet connection 8 of which is connected to the gas outlet in the furnace ceiling 6 and the outlet connection arranged at right angles 9 is connected to the hot template 2.
- the shut-off and throttle member 3 is designed as a rotary valve, the axis of rotation is aligned with the inlet port 8 of the valve housing 7 and the bottom 10 is wedge-shaped. In the closed position shown in Fig. Lb, the rotary valve blocks the opening of the outlet connector 9.
- a flow path between the inlet connector 8 and the outlet connector 9 limited by the wedge-shaped surface can be released (Fig. La).
- the cross section of the flow path depends on the angle of rotation of the rotary valve.
- a bearing plate 11 is connected to the upper side of the throttle body 5, which lies on an annular support surface of the valve housing 7 and is guided thereon.
- the actuator 4 consists of a stepper motor which is controlled by a control device, not shown.
- the shut-off and throttling member 3 has an axially adjustable piston-shaped throttle body 5 rotating about the adjusting axes, the adjusting axis of which is aligned with the outlet port 9 of the valve housing 7.
- the end face of the throttle body is formed with a conical seat surface 12, which is movable against an outlet-side conical ring surface 13 of the valve housing 7.
- the piston-shaped throttle body 5 is guided in a cylindrical housing section 14 of the valve body.
- a spindle 15 is connected to the throttle body as the actuating means and engages the actuator 4 at its drive end.
- the shut-off and throttle element 3 has an axially adjustable conical throttle body 5, the actuating axis of which is aligned with the inlet port 8 of the valve housing 7.
- the throttle body 5 is movable with a linear adjustment movement and an additional rotational movement against a conical annular surface 13 on the outlet side of the valve housing 7 and is attached to a spindle 15, the drive-side end of which engages through the actuator 4.
- valve housing of the devices shown in FIGS. 2 and 3 is provided with a lateral inspection opening closed by a cover 16.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Coke Industry (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19951191 | 1999-10-22 | ||
DE19951191A DE19951191C2 (de) | 1999-10-22 | 1999-10-22 | Verfahren und Vorrichtung zur Ableitung von heissen Rohgasen, die bei einer Verkokung in den Ofenkammern einer Koksofenbatterie entstehen |
PCT/EP2000/008577 WO2001030940A1 (de) | 1999-10-22 | 2000-09-02 | Verfahren und vorrichtung zur ableitung von heissen koksofenrohgasen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1230321A1 true EP1230321A1 (de) | 2002-08-14 |
EP1230321B1 EP1230321B1 (de) | 2005-05-04 |
Family
ID=7926703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00967643A Expired - Lifetime EP1230321B1 (de) | 1999-10-22 | 2000-09-02 | Verfahren und vorrichtung zur ableitung von heissen koksofenrohgasen |
Country Status (10)
Country | Link |
---|---|
US (1) | US7122099B1 (de) |
EP (1) | EP1230321B1 (de) |
JP (1) | JP4624624B2 (de) |
AT (1) | ATE294845T1 (de) |
BR (1) | BR0014943B1 (de) |
CA (1) | CA2387904C (de) |
DE (2) | DE19951191C2 (de) |
ES (1) | ES2241661T3 (de) |
PT (1) | PT1230321E (de) |
WO (1) | WO2001030940A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008012735A1 (de) | 2008-03-05 | 2009-09-10 | Uhde Gmbh | Dampfbetriebener Ejektor für eine Druckwechseladsorptionseinheit |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5001355B2 (ja) * | 2007-04-18 | 2012-08-15 | 優久雄 片山 | コークス炉ガス用改質器 |
EP2014741A1 (de) * | 2007-07-11 | 2009-01-14 | Paul Wurth S.A. | Abzugsrohrsystem für einen Koksofen |
DE102009052502A1 (de) | 2009-11-11 | 2011-05-12 | Uhde Gmbh | Verfahren zur Erzeugung eines Unterdruckes in einer Koksofenkammer während des Ausdrück- und Beladevorganges |
DE102010035154A1 (de) * | 2010-08-23 | 2012-02-23 | Uhde Gmbh | Vorrichtung und Verfahren zur Regelung des Kammerdruckes von Koksofenkammern einer Koksofenbatterie mit Hilfe von einstellbaren Blenden an den Steigrohrkrümmermündungen in die Rohgasvorlage |
RU2550869C2 (ru) * | 2011-11-07 | 2015-05-20 | Рашит Равильевич Гилязетдинов | Способ и устройство раздельного сбора газа коксовых печей |
KR101442919B1 (ko) | 2012-12-14 | 2014-09-23 | 주식회사 포스코 | 코크스 오븐의 탄화실 압력 제어 장치 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE401924A (de) * | ||||
US1524098A (en) * | 1920-12-02 | 1925-01-27 | John H Means | Standpipe for coke ovens |
US1542065A (en) * | 1921-08-31 | 1925-06-16 | Koppers Dev Corp | Coke-oven gas-main valve |
DE339931C (de) * | 1922-12-14 | 1921-08-20 | Rheinische Maschinenfabrik | Abschliessvorrichtung zur Verhuetung von Gasverlusten an Tauch-Vorlagen bei Gaserzeugungsoefen |
FR565785A (fr) * | 1923-05-03 | 1924-02-04 | Fr D Incandescence Par Le Gaz | Perfectionnement aux soupapes de retour pour installations de surpresseurs ou analogues |
GB376606A (en) * | 1931-11-09 | 1932-07-14 | Wilfred William Groves | Improvements relating to the production of gas and coal in chamber ovens |
GB403206A (en) * | 1932-10-07 | 1933-12-21 | Alfred Elten | Improvements in apparatus for controlling the flow of gases |
DE800571C (de) * | 1949-08-28 | 1950-11-16 | Otto & Co Gmbh Dr C | Vorlagenventil fuer Koks- und Gaserzeugungsoefen |
US3243360A (en) * | 1961-06-13 | 1966-03-29 | Allied Chem | Automatic actuation of the uptake valves in a coke oven battery |
US3647053A (en) * | 1969-11-20 | 1972-03-07 | United States Steel Corp | Apparatus for and method of collecting smoke from coke ovens during charging |
BE795031A (fr) * | 1972-02-07 | 1973-05-29 | Waagner Biro Ag | Procede et dispositif d'alimentation de fours a coke |
DE2733785A1 (de) | 1977-07-27 | 1979-02-08 | Didier Eng | Verfahren zur weiterverarbeitung von koksofengas |
JPS59155489A (ja) * | 1983-02-23 | 1984-09-04 | Nippon Kokan Kk <Nkk> | コ−クス炉の炉圧制御方法 |
ATE51032T1 (de) * | 1986-05-07 | 1990-03-15 | Voest Alpine Ind Anlagen | Integriertes huettenwerk. |
DE4321676C2 (de) * | 1992-07-14 | 1995-11-16 | Bergwerksverband Gmbh | Verfahren und Vorrichtung zur Regelung des Gasdruckes einer Koksofenkammer |
JP3042806B2 (ja) * | 1992-07-22 | 2000-05-22 | 新日本製鐵株式会社 | コークス炉炭化室の圧力制御操業方法 |
JPH1089498A (ja) * | 1996-09-10 | 1998-04-07 | Nichiden Kogyo Kk | 阻止弁 |
US5968320A (en) * | 1997-02-07 | 1999-10-19 | Stelco, Inc. | Non-recovery coke oven gas combustion system |
-
1999
- 1999-10-22 DE DE19951191A patent/DE19951191C2/de not_active Expired - Fee Related
-
2000
- 2000-09-02 BR BRPI0014943-8A patent/BR0014943B1/pt not_active IP Right Cessation
- 2000-09-02 JP JP2001533925A patent/JP4624624B2/ja not_active Expired - Fee Related
- 2000-09-02 WO PCT/EP2000/008577 patent/WO2001030940A1/de active IP Right Grant
- 2000-09-02 US US10/111,290 patent/US7122099B1/en not_active Expired - Fee Related
- 2000-09-02 PT PT00967643T patent/PT1230321E/pt unknown
- 2000-09-02 DE DE50010250T patent/DE50010250D1/de not_active Expired - Lifetime
- 2000-09-02 EP EP00967643A patent/EP1230321B1/de not_active Expired - Lifetime
- 2000-09-02 CA CA002387904A patent/CA2387904C/en not_active Expired - Fee Related
- 2000-09-02 AT AT00967643T patent/ATE294845T1/de active
- 2000-09-02 ES ES00967643T patent/ES2241661T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0130940A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008012735A1 (de) | 2008-03-05 | 2009-09-10 | Uhde Gmbh | Dampfbetriebener Ejektor für eine Druckwechseladsorptionseinheit |
Also Published As
Publication number | Publication date |
---|---|
JP4624624B2 (ja) | 2011-02-02 |
ATE294845T1 (de) | 2005-05-15 |
PT1230321E (pt) | 2005-09-30 |
DE19951191C2 (de) | 2001-08-23 |
WO2001030940A1 (de) | 2001-05-03 |
ES2241661T3 (es) | 2005-11-01 |
DE50010250D1 (de) | 2005-06-09 |
US7122099B1 (en) | 2006-10-17 |
BR0014943B1 (pt) | 2011-05-17 |
EP1230321B1 (de) | 2005-05-04 |
CA2387904A1 (en) | 2001-05-03 |
WO2001030940A9 (de) | 2002-06-27 |
CA2387904C (en) | 2009-11-24 |
JP2003513148A (ja) | 2003-04-08 |
BR0014943A (pt) | 2002-06-11 |
DE19951191A1 (de) | 2001-05-17 |
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