EP1516908A1 - Récipient à coke avec un robinet-vanne pourvu d'un pont tubulaire - Google Patents

Récipient à coke avec un robinet-vanne pourvu d'un pont tubulaire Download PDF

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Publication number
EP1516908A1
EP1516908A1 EP04022218A EP04022218A EP1516908A1 EP 1516908 A1 EP1516908 A1 EP 1516908A1 EP 04022218 A EP04022218 A EP 04022218A EP 04022218 A EP04022218 A EP 04022218A EP 1516908 A1 EP1516908 A1 EP 1516908A1
Authority
EP
European Patent Office
Prior art keywords
coking
shut
coking drum
sealing
plates
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
EP04022218A
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German (de)
English (en)
Other versions
EP1516908B1 (fr
Inventor
Ludwig Kesternich
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.)
Z& J Technologies GmbH
Z&J Technologies GmbH
Original Assignee
Z& J Technologies GmbH
Z&J Technologies 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 Z& J Technologies GmbH, Z&J Technologies GmbH filed Critical Z& J Technologies GmbH
Priority to PL04022218T priority Critical patent/PL1516908T3/pl
Publication of EP1516908A1 publication Critical patent/EP1516908A1/fr
Application granted granted Critical
Publication of EP1516908B1 publication Critical patent/EP1516908B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C10B1/00—Retorts
    • C10B1/02—Stationary retorts
    • C10B1/04—Vertical retorts
    • 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
    • C10B25/08—Closing and opening the doors
    • C10B25/10—Closing and opening the doors for ovens with vertical chambers

Definitions

  • the present invention relates to a coking drum according to the preamble of claim 1 and a coking process, in particular for coking of residues from the vacuum distillation of crude oil, according to the preamble of claim 13.
  • thermal Cracking Hydrocarbon chains are split at high temperatures.
  • the group of thermal cracking processes include the so-called visbreaking and the coking, in which carbon in solid form, so-called coke or Petroleum coke deposits.
  • each oven is associated with at least two coking drums, each one of these chambers is in operation, while from the other the coke is removed. This can e.g. using water under high pressure the coking drum are cut out.
  • the resulting from coking Light hydrocarbons pass from the coking chamber into a fractionating tower managed and processed there.
  • the resulting petroleum coke becomes green coke and can either be sold after crumbling or continue be refined.
  • the refinement happens in a calcination process, in burned at temperatures of 1200 ° C and more remaining oil components and become coked.
  • the resulting calcinate can then, for example for electrodes used in the aluminum industry come.
  • Each filled drum is cooled and the coke is removed from it.
  • water is passed into the drum to add to the resulting, hot coke cool.
  • the drum is opened to the atmosphere by, depending on the design the coking chamber or drum, either only the bottom side or else the head of the drum or chamber is opened, so that the coke from the Drum cut out and fed to its further use can.
  • the process of opening the coking drum can be a source of danger for several reasons exhibit.
  • the water that enters the drum to cool the coke The opening of the drum is very hot, which is not careful Handling of equipment due to escaping hot Water or water vapor, which is under pressure, can lead.
  • loose Coke pieces fall out of the drum or load the opening mechanisms so that open them suddenly after unlocking, which also leads to injuries of the Operators can lead.
  • the operator can also Dust, especially coke particles and also exposed to irritating or toxic gases be when the drums are opened.
  • Disadvantage of the above-mentioned device is moderate security against an unwanted Escaping hot water or vapors and gases from the coking drum. Furthermore, it may be due to design disturbances, as coke or the like.
  • bake On the guide rails of the slide, in particular on the coking chamber facing side of the guide rails, bake.
  • the object of the present invention is therefore to specify a coking drum, the closure works functionally and failsafe.
  • An essential point of the invention is therefore that at an outlet and / or at or near an inlet and / or at an access opening of the coking drum a pipe bridge slide is arranged as a shut-off, the two shut-off plates having. This makes it possible the coking chamber with increased security seal.
  • a departure from the known closures with Bolting completed on the other hand is also compared to the already known Slider closures made an improvement in two ways: to a is a double plate slide in this form provided for the first time, for second belongs the idea of the pipe bridge valve to the present invention.
  • the two shut-off plates to each other associated with parallel, full metallic sealing seats. These are characterized by an excellent Sealing effect.
  • Seal associated with the sealing seats Seal seats a wear and corrosion resistant hard armor on. Thereby the abrasive wear on the sealing seat surfaces is minimized, the maintenance intervals are extended, and cost savings are possible.
  • the two Shut-off plates are preferably movable in a spectacle-shaped plate cage inserted, which makes the maintenance of the device according to the invention even easier.
  • a pipe bridge is in an open position of the pipe bridge slider two pipe sockets connecting with each other, attached to the interior of the coking drum facing side and this opposite side of the Pipe bridge slide are attached, hollow cylindrical, in particular circular cylindrical educated.
  • the pipe bridge has a smooth surface with one possible low roughness, thereby minimizing flow losses.
  • the pipe bridge on its inside a wear-resistant and corrosion-resistant hard armor or coating on, or is cured there. As a result, the abrasive wear on the pipe bridge is kept as low as possible.
  • the shut-off plates are preferably in the closed position via means of a Ball-centered wedge pieces pressed on sealing surfaces. This solution stands out also due to their low susceptibility to interference. A caking of coke or the like. on the guide rails of the shut-off plates is by pressing them in avoided the sealing position.
  • shut-off plates associated Slider equipped with baffles that constantly contact the metal Have plate cage. This promotes the sealing effect and reduces abrasive wear.
  • an actuating rod associated with the shut-off plates is fluid-tight inserted into the slide housing, wherein the slide housing a connection to Connection to a compressed gas source, in particular for connection to a flushing or sealing steam source is provided.
  • a connection to Connection to a compressed gas source in particular for connection to a flushing or sealing steam source is provided.
  • the slide housing can be optimally cleaned, which the Störunan crampkeit the coking drum according to the invention increased.
  • the shut-off plates with pressure the sealing effect strengthened. So the steam has a double function: on the one hand it serves Purification purposes, on the other hand, it causes an additional seal on two Sealing surfaces.
  • hoods are with the slide housing Column attachment flanged to receive the drive.
  • This embodiment is characterized by a particularly simple construction.
  • the pipe bridge slider as already above mentions a compensator unit.
  • the compensator unit offers the advantage that small gaps or Prudaumaschineen in a simple manner can be compensated, resulting in an excellent sealing function in each Situation leads.
  • the compensator comprises in a preferred embodiment a wavy curved Pipe section with a circumferentially extending indentation, wherein the wavy bent pipe section as an outer pipe section is coaxial over an inner tube section extending, which is fixed only with one of the two sealing rings is connected, while it is axially movable relative to the other sealing ring.
  • a wavy curved Pipe section with a circumferentially extending indentation wherein the wavy bent pipe section as an outer pipe section is coaxial over an inner tube section extending, which is fixed only with one of the two sealing rings is connected, while it is axially movable relative to the other sealing ring.
  • Closing member for the coking chamber at least one pipe bridge slide with two shut-off plates is used.
  • the pressure prevailing inside the drum when opening the coking drum around the the interior of the drum facing shut-off to press its associated sealing seat. This reduces the effort required is to open a coking drum or its shut-off.
  • Fig. 1 is a schematic representation of a coking plant. This consists of: a furnace 1, via a line 2 with the residues from the vacuum distillation is fed by crude oil; two coking chambers 3, 4, via a pipe 5 are fed with the oven-heated residues from the vacuum distillation; a conveyor belt 6, with which the coke produced in the coking chambers is transported further; and a supplementarykolonne 7, in which the coking process in the coking chambers 3 and 4 resulting gases, the fractionation 7 are fed via a line 8, are fractionated.
  • the coking plant has a furnace 9 with a turntable, in which at least Parts of the coke recovered in the coking chamber can be calcined.
  • the heavy residues that remain in the committeeierkolonne 7 are over a Outlet 12 and a line 10 back into the line 2 and thus again the Coking process supplied.
  • the coking 3, 4 both on only one side for the removal of coke accumulated therein can be opened, as well as on two sides, so at a head and a foot end, so as to ensure easier removal.
  • a shut-off 11 and the coke is then removed using suitable equipment.
  • FIG. 2 a first embodiment of the shut-off member 11 for the coking chambers 3, 4 shown in different views.
  • Fig. 5 is given a detailed view of the marked in Fig. 2 with Y area.
  • the slider shown has a slide housing 21 with two pipe sockets 22 and 23 and two housing sealing seats 24 and 25, between which two shut-off plates 27, 28 are mounted displaceably with sealing rings 29, 30.
  • the two shut-off plates 27 and 28 are against the housing sealing seats 24 and 25 by means of a Sp Dahlorgan acting inner wedge 31 pressed, which at the end of an actuating rod 32 sits and is firmly connected to this.
  • the shut-off plates 27, 28 are for this purpose by the inner wedge 31, which is centered by means of a ball, after a "Wedge-in-wedge principle" spreadable. This construction ensures that the slider easy to operate even under the most difficult thermal and dynamic conditions is. Jamming is not possible, since the inner wedge 31 is a non-self-locking Form has.
  • the pipe bridge 33 is formed as a hollow cylinder, i.e. In particular, it has no corrugations on its inside, so that do not form any resulting flow losses (see also Fig. 4).
  • the slider is shown in the closed position.
  • the slide housing 21 is formed fluid-tight to the outside, so that in the interior 43 of the valve body a gas pressure is adjustable, which can be greater than the pressure in the Slide through. For this reason, the actuating rod 32 is fluid-tight in the slider housing 21 is inserted.
  • a connection 44 for Connection to a (not shown) compressed gas source, in particular a flushing steam source, arranged.
  • a continuous flushing of the interior 43 of the Slider housing will clogging of dirt and a resulting Disturbance of the coking 3.4 largely avoided.
  • the sealing surfaces the sealing rings 34, 35 on the one hand and the housing sealing seats 24, 25 on the other are each formed extending parallel to the slide actuating direction. To increase the wear resistance, the aforementioned are known per se Hardened or armored way.
  • shut-off plates 27, 28 are in a spectacle-shaped plate cage (in FIGS not shown), which ensures their holder, movably inserted.
  • This Plate cage is guided between baffle plates 45, whereby an ingress of contaminants is avoided in the housing.
  • the actuating rod 32 Via a coolant inlet 51, the actuating rod 32, in particular at its from the housing projecting end, to be cooled. This is preferably done by cold air or cold gases. At this point it should be mentioned that a liquid cooling is conceivable.
  • Fig. 4 the shut-off member 11 is in its open position along a section line X-X of Fig. 2 shown.
  • the pipe bridge 33rd the pipe socket 22, 23 connects without rejuvenation of the cross section.
  • the sealing rings 34, 35 and the housing sealing seat 24, 25 it is recommended that the entire inner side of the pipe bridge 33 to harden or to armor, thus abrasive Prevent wear.
  • FIG. 5 The section marked Y in FIG. 2 is again shown enlarged in FIG. 5.
  • a rinsing and sealing steam channel 53 at a connection piece 52 (see Fig. 3) with a rinsing and sealing vapor source connected is.
  • a cutting edge 54 the Elimination of adherent coke is used. This is hard-shelled.
  • the pipe bridge 33 of the shut-off member 11 sets itself from the sealing rings 34 and 35 and one connecting the sealing rings together Compensator 36 together.
  • the compensator 36 consists of an inner Pipe section 37 and a coaxially extending outer pipe section 38, wherein the outer pipe section 38 via ring welds 39, 40 with both Sealing rings 34, 35 is firmly connected.
  • the outer pipe section 38 has a circumferentially extending Wave or indentation 41.
  • the inner tube section 37 is hollow cylindrical, i. formed without a shaft, so that analogous to the shut-off member 11 according to the first embodiment no trim losses can occur.
  • the inner tube section 37 is axially movable, wherein the axial clearance between the sealing ring 34 and the inner pipe section 37 is between about 1.0 mm to about 5.0 mm.
  • the arrangement of the inner pipe section 36 with respect to the two sealing rings 34th and 35 is such that the inner surface of the pipe section 36 with the inner surfaces the sealing rings 34, 35 are aligned, so that a virtually continuous flow passage is created in the open position of the slider.
  • FIG. 7 shows the slide analogously to FIGS. 2 and 3, each in the closed position.
  • the slider housing 21 is after formed on the outside fluid-tight, so that within the slide housing analogous to first embodiment, a gas pressure is adjustable.
  • the circumferential indentation 41 of the outer tube section 38 extends to close to the outer surface of the inner tube section 37 so that the inside of the housing 43 prevailing gas pressure on the indentation 41 on the sealing rings 34, 35th under axial spread of the same is fully effective.
  • the axial spread of the sealing rings 34, 35 is on the one hand by the indentation 41 and the other by the Axial clearance between the inner pipe section 37 and one of the two sealing rings, here sealing ring 34, possible.
  • the pipe bridge 33 is therefore by the two sealing rings 34, 35 on the one hand and arranged between these, serving as a compensator 36 inner and outer pipe sections 37, 38 on the other hand, forming a ring box 46th limited.
  • This ring box 46 and the annulus between inner and outer Pipe section 37 and 38 is with a heat-insulating material, in particular Glass wool, rock wool or the like. Completed.
  • the filling has not only a heat-insulating purpose, but also the Purpose, the penetration of flow medium in said annulus between inner and outer pipe section to prevent. Adding the annulus with Flow medium or gas flow with dust and dirt particles or similar deposits would after prolonged use the effect of the compensator 36 disturb or impair. Insofar, the aforementioned execution a double function.
  • the respectively filled coking drum 3, 4, however, is cooled, and the coke is removed from it.
  • water is first passed into the coking drum 3, 4, to cool the resulting, hot coke.
  • the coking drum 3, 4 open to the atmosphere, where in the interior of the coking drum 3, 4 prevailing pressure facing the interior shut-off plate pushes away from the valve seat and thus necessary to open the pipe bridge slide Reduced effort. If you go after opening the coking drum 3, 4 again rinsing or sealing vapor into the interior 43 of the valve body, so
  • the housing and the components arranged in the housing continuously cleaned is due to the increased sealing effect of Pipe bridge an intrusion of dust when emptying the Coking drum 3, 4 arises to an increased extent, prevented in the housing.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Coke Industry (AREA)
  • Sliding Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Taps Or Cocks (AREA)
  • Valve Housings (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
EP04022218A 2003-09-18 2004-09-17 Récipient à coke avec un robinet-vanne pourvu d'un pont tubulaire Expired - Lifetime EP1516908B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04022218T PL1516908T3 (pl) 2003-09-18 2004-09-17 Bęben koksowniczy z rurową zasuwą

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10343298A DE10343298A1 (de) 2003-09-18 2003-09-18 Verkokungstrommel
DE10343298 2003-09-18

Publications (2)

Publication Number Publication Date
EP1516908A1 true EP1516908A1 (fr) 2005-03-23
EP1516908B1 EP1516908B1 (fr) 2008-12-24

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Application Number Title Priority Date Filing Date
EP04022218A Expired - Lifetime EP1516908B1 (fr) 2003-09-18 2004-09-17 Récipient à coke avec un robinet-vanne pourvu d'un pont tubulaire

Country Status (6)

Country Link
US (2) US20050133358A1 (fr)
EP (1) EP1516908B1 (fr)
AT (1) ATE418592T1 (fr)
DE (2) DE10343298A1 (fr)
ES (1) ES2320339T3 (fr)
PL (1) PL1516908T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392900A (zh) * 2011-11-09 2012-03-28 冈野集团有限公司 一种平板闸阀
CN102678955A (zh) * 2012-05-17 2012-09-19 东莞宏威数码机械有限公司 双挡板真空闸阀装置
CN102678954A (zh) * 2012-05-17 2012-09-19 东莞宏威数码机械有限公司 单面密封双向承压真空闸阀装置
EP1929190A4 (fr) * 2005-08-12 2013-01-16 Curtiss Wright Flow Control Systemes de vannes d'isolation pour unites de cokefaction differees
EP2626403A1 (fr) * 2012-02-08 2013-08-14 Z & J Technologies GmbH Tambour de cokéfaction, soupape d'arrêt pour un tambour de cokéfaction et procédé d'alimentation de résidus dans un tambour de cokéfaction
CN105822782A (zh) * 2015-01-07 2016-08-03 新莱应材科技有限公司 连杆闸板阀
CN116792521A (zh) * 2023-07-05 2023-09-22 四川九天真空科技有限公司 一种具有双向密封功能的矩形阀

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7316762B2 (en) 2003-04-11 2008-01-08 Curtiss-Wright Flow Control Corporation Dynamic flange seal and sealing system
US7117959B2 (en) * 2004-04-22 2006-10-10 Curtiss-Wright Flow Control Corporation Systems and methods for remotely determining and changing cutting modes during decoking
US7473337B2 (en) * 2004-04-22 2009-01-06 Curtiss-Wright Flow Control Corporation Remotely controlled decoking tool used in coke cutting operations
US7931044B2 (en) * 2006-03-09 2011-04-26 Curtiss-Wright Flow Control Corporation Valve body and condensate holding tank flushing systems and methods
US9334447B2 (en) * 2012-10-19 2016-05-10 Deltavalve, Llc Flushing system for use in delayed coking systems
DE102018116738A1 (de) * 2018-07-11 2020-01-16 Z & J Technologies Gmbh Befüllvorrichtung, Verkokungstrommel, System zur Rohölverarbeitung, Verfahren zum Herstellen von Petroleumkoks
CN108757973B (zh) * 2018-08-16 2023-11-14 北京航天石化技术装备工程有限公司 一种双闸板闸阀

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WO2002072729A1 (fr) * 2001-03-12 2002-09-19 Curtiss-Wright Flow Control Corporation Systeme ameliore d'ouverture du fond d'un four a coke
US20040154913A1 (en) * 2001-03-12 2004-08-12 Lah Ruben F. Valve system and method for unheading a coke drum

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EP0450646A2 (fr) * 1990-04-06 1991-10-09 Zimmermann & Jansen GmbH Vanne à tiroir composé de deux plaques
WO2002072729A1 (fr) * 2001-03-12 2002-09-19 Curtiss-Wright Flow Control Corporation Systeme ameliore d'ouverture du fond d'un four a coke
US20040154913A1 (en) * 2001-03-12 2004-08-12 Lah Ruben F. Valve system and method for unheading a coke drum

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1929190A4 (fr) * 2005-08-12 2013-01-16 Curtiss Wright Flow Control Systemes de vannes d'isolation pour unites de cokefaction differees
CN102392900A (zh) * 2011-11-09 2012-03-28 冈野集团有限公司 一种平板闸阀
EP2626403A1 (fr) * 2012-02-08 2013-08-14 Z & J Technologies GmbH Tambour de cokéfaction, soupape d'arrêt pour un tambour de cokéfaction et procédé d'alimentation de résidus dans un tambour de cokéfaction
CN102678955A (zh) * 2012-05-17 2012-09-19 东莞宏威数码机械有限公司 双挡板真空闸阀装置
CN102678954A (zh) * 2012-05-17 2012-09-19 东莞宏威数码机械有限公司 单面密封双向承压真空闸阀装置
CN105822782A (zh) * 2015-01-07 2016-08-03 新莱应材科技有限公司 连杆闸板阀
CN116792521A (zh) * 2023-07-05 2023-09-22 四川九天真空科技有限公司 一种具有双向密封功能的矩形阀

Also Published As

Publication number Publication date
ES2320339T3 (es) 2009-05-21
EP1516908B1 (fr) 2008-12-24
US20050133358A1 (en) 2005-06-23
DE502004008728D1 (de) 2009-02-05
ATE418592T1 (de) 2009-01-15
DE10343298A1 (de) 2005-04-14
US20080047873A1 (en) 2008-02-28
PL1516908T3 (pl) 2009-06-30
US7666280B2 (en) 2010-02-23

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