EP1516908A1 - Verkokungstrommel mit einem Rohrbrückenschieber - Google Patents
Verkokungstrommel mit einem Rohrbrückenschieber Download PDFInfo
- 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
Links
- 239000000571 coke Substances 0.000 title description 19
- 238000004939 coking Methods 0.000 claims abstract description 83
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract 2
- 238000005292 vacuum distillation Methods 0.000 claims description 7
- 239000010779 crude oil Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002006 petroleum coke Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000007373 indentation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 238000004227 thermal cracking Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000010771 distillate fuel oil Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000002010 green coke Substances 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Images
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)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Sliding Valves (AREA)
- Taps Or Cocks (AREA)
- Valve Housings (AREA)
- Fluid-Driven Valves (AREA)
Abstract
Description
- Fig. 1
- schematisch den Aufbau einer Verkokungsanlage,
- Fig. 2
- das Absperrglied einer Verkokungsanlage in Schnittansicht,
- Fig. 3
- das Absperrglied einer Verkokungsanlage mit teilweise weggebrochenem Gehäuse,
- Fig. 4
- eine Schnittansicht entlang durch das Absperrglied der Fig. 2 entlang der Achse X-X,
- Fig. 5
- eine Detailansicht des Ausschnitts, der in Fig. 2 mit Y gekennzeichnet ist,
- Fig. 6
- eine Teilansicht einer zweiten Ausführungsform eines Absperrgliedes der Verkokungstrommel, und
- Fig. 7
- das Absperrglied gemäß Fig. 6 im Schnitt längs der Linie II-II in Fig. 6.
- 1
- Ofen
- 2
- Leitung
- 3
- Verkokungskammer
- 4
- Verkokungskammer
- 5
- Leitung
- 6
- Förderband
- 7
- Fraktionierkolonne
- 8
- Leitung
- 9
- Ofen
- 10
- Leitung
- 11
- Absperrglied
- 12
- Auslaß
- 21
- Schiebergehäuse
- 22
- Rohrstutzen
- 23
- Rohrstutzen
- 24
- Gehäusedichtsitz
- 25
- Gehäusedichtsitz
- 26
- Schieberplatte
- 27
- Absperrplatte
- 28
- Absperrplatte
- 29
- Dichtring
- 30
- Dichtring
- 32
- Betätigungsstange
- 33
- Rohrbrücke
- 34
- Dichtring
- 35
- Dichtring
- 36
- Kompensator
- 37
- innerer Rohrabschnitt
- 38
- äußerer Rohrabschnitt
- 39
- Ringschweißnaht
- 40
- Ringschweißnaht
- 41
- Welle
- 42
- Ringschweißnaht
- 43
- Inneres des Schiebergehäuses
- 44
- Anschluß
- 45
- Leiterplatte
- 46
- Ringkasten
- 49
- Wartungsverschluß
- 50
- Wartungsverschluß
- 51
- Kühlmitteleinlaß
- 52
- Anschlußstutzen
- 53
- Spül- und Sperrdampfkanal
- 54
- Schneidkante
Claims (16)
- Verkokungstrommel (3, 4), insbesondere für die Herstellung von Petroleumkoks, die einen annähernd zylindrischen Grundkörper, mindestens einen Einlaß und einen Auslaß und eine weitere Zugangsöffnung aufweist,
dadurch gekennzeichnet, daß
an dem Auslaß und/oder an oder nahe dem Einlaß und/oder an der Zugangsöffnung ein Rohrbrückenschieber als Absperrglied (11) angeordnet ist, der zwei Absperrplatten (27, 28) aufweist. - Verkokungstrommel (3, 4) nach Anspruch 1,
dadurch gekennzeichnet, daß
den beiden Absperrplatten (27, 28) zueinander parallele, vollmetallische Dichtsitze (24, 25) zugeordnet sind. - Verkokungstrommel (3, 4) nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
den Dichtsitzen (24, 25) zugeordnete Dichtsitzflächen eine verschleiß- und korrosionsfeste Hartpanzerung aufweisen. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
beide Absperrplatten (27, 28) in einem brillenförmigen Plattenkäfig beweglich eingelegt sind. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
eine Rohrbrücke (33), die in einer Offen-Stellung des Rohrbrückenschiebers (11) zwei Rohrstutzen (22, 23) miteinander verbindet, die an der dem Innenraum der Verkokungstrommel (3, 4) zugewandten Seite und der dieser gegenüberliegenden Seite des Rohrbrückenschiebers (11) angebracht sind, als Hohlzylinder, insbesondere Kreiszylinder, mit glatter Oberfläche ausgebildet ist. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
die Rohrbrücke (33) auf ihrer Innenseite eine verschleiß- und korrosionsfeste Hartpanzerung oder Beschichtung aufweist, oder gehärtet ist. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
die Absperrplatten (27, 28) in geschlossener Stellung über mittels einer Kugel zentrierte Keilstücke auf Dichtflächen gepreßt werden. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
ein den Absperrplatten (27, 28) zugeordneter Schieber mit Leitplatten (45) ausgestattet ist, die ständig metallischen Kontakt zum Plattenkäfig haben. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
eine den Absperrplatten (27, 28) zugeordnete Betätigungsstange (32) fluiddicht in das Schiebergehäuse (21) eingeführt ist, und dass bei mindestens einem Rohrbrückenschieber (11) am Schiebergehäuse (21) ein Anschluß (44) zur Verbindung mit einer Druckgasquelle, insbesondere Spül- bzw. Sperrdamfquelle vorgesehen ist, über den Druckgas zum Spülen bzw. zur zusätzlichen Abdichtung des Schiebergehäuses bereitgestellt wird. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
an das Schiebergehäuse (21) Hauben mit Säulenaufsatz zur Aufnahme eines Antriebs angeflanscht sind. - Verkokungstrommel (3, 4) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet, daß
der Rohrbrückenschieber (11) einen Kompensator (36) aufweist, der Spalte und Paßungenauigkeiten bei einer Offen-Stellung des Rohrbrückenschiebers (11) ausgleicht. - Verkokungstrommel (3, 4) nach Anspruch 9,
dadurch gekennzeichnet, daß
der Kompensator (36) einen wellig gebogenen Rohrabschnitt (38) mit einer sich über den Umfang erstreckenden Einbuchtung (41) umfaßt, wobei der wellig gebogene Rohrabschnitt (38) als äußerer Rohrabschnitt sich koaxial über einen inneren Rohrabschnitt (37) erstreckt, der nur mit einem der beiden Dichtringe fest verbunden ist, während er gegenüber dem anderen Dichtring axial beweglich ist. - Verkokungsverfahren, insbesondere zur Verkokung von Rückständen aus der Vakuumdestillation von Rohöl, in dem das zu verkokende Material in einem Ofen erhitzt und einer Verkokungstrommel (3, 4) zugeführt wird, in der der eigentliche Verkokungsvorgang stattfindet,
dadurch gekennzeichnet, daß
an der Verkokungstrommel (3,4) mindestens als ein Absperrglied (11) ein Rohrbrückenschieber mit zwei Absperrplatten (27, 28) verwendet wird. - Verkokungsverfahren nach Anspruch 13,
dadurch gekennzeichnet, daß
zur zusätzlichen Abdichtung der Verkokungstrommel (3,4) mindestens ein Rohrbrückenschieber (11) mit Druckgas, insbesondere Spül- bzw. Sperrdampf, beaufschlagt wird/werden. - Verkokungsverfahren nach Anspruch 13 oder 14,
dadurch gekennzeichnet, daß
im Inneren (43) eines Schiebergehäuses (21) ein Gasdruck eingestellt wird, insbesondere bei einer Geschlossen-Stellung der Absperrplatten (27, 28), der größer ist als der Druck, der in der Verkokungstrommel (3, 4) herrscht. - Verkokungsverfahren nach einem der Ansprüche 13 bis 15,
dadurch gekennzeichnet, daß
beim Öffnen des oder jedes Rohrbrückenschiebers (11) der im Innenraum der Verkokungstrommel (3, 4) herrschende Druck zum Wegdrücken der dem Innenraum zugewandten Absperrplatte vom Ventilsitz genützt und somit der zum Öffnen des Absperrgliedes (11) nötige Kraftaufwand verringert wird.
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 |
---|---|---|---|
DE10343298 | 2003-09-18 | ||
DE10343298A DE10343298A1 (de) | 2003-09-18 | 2003-09-18 | Verkokungstrommel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1516908A1 true EP1516908A1 (de) | 2005-03-23 |
EP1516908B1 EP1516908B1 (de) | 2008-12-24 |
Family
ID=34177823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04022218A Expired - Lifetime EP1516908B1 (de) | 2003-09-18 | 2004-09-17 | Verkokungstrommel mit einem Rohrbrückenschieber |
Country Status (6)
Country | Link |
---|---|
US (2) | US20050133358A1 (de) |
EP (1) | EP1516908B1 (de) |
AT (1) | ATE418592T1 (de) |
DE (2) | DE10343298A1 (de) |
ES (1) | ES2320339T3 (de) |
PL (1) | PL1516908T3 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1929190A2 (de) * | 2005-08-12 | 2008-06-11 | Curtiss-Wright Flow Control Corporation | Absperrventilsystem in einheit mit verzögerter verkokung |
CN102392900A (zh) * | 2011-11-09 | 2012-03-28 | 冈野集团有限公司 | 一种平板闸阀 |
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 |
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 |
EP2626403A1 (de) * | 2012-02-08 | 2013-08-14 | Z & J Technologies GmbH | Verkokungstrommel, Absperrventil für eine Verkokungstrommel und Verfahren zum Zuführen von Reststoffen in eine Verkokungstrommel |
CN105822782A (zh) * | 2015-01-07 | 2016-08-03 | 新莱应材科技有限公司 | 连杆闸板阀 |
Families Citing this family (7)
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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EP0450646A2 (de) * | 1990-04-06 | 1991-10-09 | Zimmermann & Jansen GmbH | Doppelplattenschieber |
WO2002072729A1 (en) * | 2001-03-12 | 2002-09-19 | Curtiss-Wright Flow Control Corporation | Improved coke drum bottom de-heading system |
US20040154913A1 (en) * | 2001-03-12 | 2004-08-12 | Lah Ruben F. | Valve system and method for unheading a coke drum |
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SU1518349A1 (ru) | 1987-01-15 | 1989-10-30 | Уфимский Филиал Всесоюзного Научно-Исследовательского И Проектно-Конструкторского Института Нефтяного Машиностроения | Затвор реакционной камеры |
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-
2003
- 2003-09-18 DE DE10343298A patent/DE10343298A1/de not_active Ceased
-
2004
- 2004-09-16 US US10/942,308 patent/US20050133358A1/en not_active Abandoned
- 2004-09-17 DE DE502004008728T patent/DE502004008728D1/de not_active Expired - Lifetime
- 2004-09-17 AT AT04022218T patent/ATE418592T1/de active
- 2004-09-17 PL PL04022218T patent/PL1516908T3/pl unknown
- 2004-09-17 EP EP04022218A patent/EP1516908B1/de not_active Expired - Lifetime
- 2004-09-17 ES ES04022218T patent/ES2320339T3/es not_active Expired - Lifetime
-
2007
- 2007-01-18 US US11/624,569 patent/US7666280B2/en active Active
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EP0450646A2 (de) * | 1990-04-06 | 1991-10-09 | Zimmermann & Jansen GmbH | Doppelplattenschieber |
WO2002072729A1 (en) * | 2001-03-12 | 2002-09-19 | Curtiss-Wright Flow Control Corporation | Improved coke drum bottom de-heading system |
US20040154913A1 (en) * | 2001-03-12 | 2004-08-12 | Lah Ruben F. | Valve system and method for unheading a coke drum |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1929190A2 (de) * | 2005-08-12 | 2008-06-11 | Curtiss-Wright Flow Control Corporation | Absperrventilsystem in einheit mit verzögerter verkokung |
EP1929190A4 (de) * | 2005-08-12 | 2013-01-16 | Curtiss Wright Flow Control | Absperrventilsystem in einheit mit verzögerter verkokung |
CN102392900A (zh) * | 2011-11-09 | 2012-03-28 | 冈野集团有限公司 | 一种平板闸阀 |
EP2626403A1 (de) * | 2012-02-08 | 2013-08-14 | Z & J Technologies GmbH | Verkokungstrommel, Absperrventil für eine Verkokungstrommel und Verfahren zum Zuführen von Reststoffen in eine Verkokungstrommel |
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 |
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 |
CN105822782A (zh) * | 2015-01-07 | 2016-08-03 | 新莱应材科技有限公司 | 连杆闸板阀 |
Also Published As
Publication number | Publication date |
---|---|
US20080047873A1 (en) | 2008-02-28 |
US7666280B2 (en) | 2010-02-23 |
US20050133358A1 (en) | 2005-06-23 |
PL1516908T3 (pl) | 2009-06-30 |
DE502004008728D1 (de) | 2009-02-05 |
ES2320339T3 (es) | 2009-05-21 |
DE10343298A1 (de) | 2005-04-14 |
ATE418592T1 (de) | 2009-01-15 |
EP1516908B1 (de) | 2008-12-24 |
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