EP3267100B1 - Steam creation system - Google Patents

Steam creation system Download PDF

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Publication number
EP3267100B1
EP3267100B1 EP16400027.5A EP16400027A EP3267100B1 EP 3267100 B1 EP3267100 B1 EP 3267100B1 EP 16400027 A EP16400027 A EP 16400027A EP 3267100 B1 EP3267100 B1 EP 3267100B1
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EP
European Patent Office
Prior art keywords
steam
steam generator
drum
generation plant
water jacket
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.)
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Application number
EP16400027.5A
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German (de)
French (fr)
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EP3267100A1 (en
Inventor
Antonio COSCIA
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to PL16400027T priority Critical patent/PL3267100T3/en
Priority to EP16400027.5A priority patent/EP3267100B1/en
Priority to DE102016120170.7A priority patent/DE102016120170A1/en
Priority to PCT/EP2017/025193 priority patent/WO2018007024A1/en
Priority to EA201990072A priority patent/EA039024B1/en
Priority to KR1020197002423A priority patent/KR20190024974A/en
Priority to US16/316,240 priority patent/US20190226675A1/en
Priority to SG11201811692PA priority patent/SG11201811692PA/en
Priority to CN201710555812.6A priority patent/CN107588414A/en
Priority to CN201720830432.4U priority patent/CN208139236U/en
Publication of EP3267100A1 publication Critical patent/EP3267100A1/en
Application granted granted Critical
Publication of EP3267100B1 publication Critical patent/EP3267100B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B9/00—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body
    • F22B9/10—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body the boiler body being disposed substantially horizontally, e.g. at the side of the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/14—Supply mains, e.g. rising mains, down-comers, in connection with water tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/34—Adaptations of boilers for promoting water circulation

Definitions

  • Steam generating systems of the type described at the beginning are from the prior art, for example from the international application WO 2011/104328 A2 , known.
  • the steam generator is a horizontally arranged, cylindrical tube bundle heat exchanger educated.
  • Such a tube bundle heat exchanger and its use for cooling hot synthesis gas is described, for example, in the European patent EP 2312252 B1 .
  • the DE patent specification DE 571 207 C describes a device for increasing the water circulation in evaporators or steam boilers by means of vertical riser pipes reaching up to just above or just below the water level, characterized in that these riser pipes end in a water separator arranged above the steam chamber, which at its lowest point enters the water chamber of the The drain pipe leading to the boiler is so wide that a water level cannot form in the associated separator.
  • the hot gas is passed through the heating tubes of the tube bundle, the water to be evaporated is located in the shell space.
  • a preheater often also designed as a tube bundle heat exchanger, can be connected downstream of the steam generator, and a superheater can be connected upstream.
  • a so-called steam drum often also arranged horizontally, is installed above the steam generator.
  • the steam drum and steam generator are connected to one another by risers and downpipes.
  • the water / steam mixture can be moved in circulation, so that the steam can be led out of the steam generator and a more effective heat transfer on the surface of the heating pipes of the steam generator is possible.
  • the steam drum can be placed with sufficient distance above the steam generator, this circulation can function as a natural circulation. If there is not enough space for this, pumps have to support the circulation. One then speaks of forced circulation.
  • the laterally attached nozzles for the downpipes also induce forces on the jacket of the steam generator, namely static forces due to the dead weight of the downpipes and thermal expansion forces, as well as dynamic forces due to wind and earthquake loads.
  • forces on the jacket of the steam generator namely static forces due to the dead weight of the downpipes and thermal expansion forces, as well as dynamic forces due to wind and earthquake loads.
  • significantly greater wall thicknesses of the nozzle and the pressure jacket may be required, especially in the case of a special form of construction of such systems in which the weight of the steam drum is carried off via the downpipes and risers.
  • the object was therefore to propose the use of a steam generation system in which the disadvantages outlined are avoided.
  • the object is achieved by using a steam generation system according to the features of claim 1.
  • the space required for setting up the steam generation system according to the invention is reduced compared to a corresponding system according to the prior art, since there are no longer any laterally extending downpipes, but these are led down inside the device.
  • a preferred embodiment of the invention is characterized in that, when used according to the invention, the steam generator and the steam drum are arranged in relation to one another and the riser and downpipes are designed in this way that the water to be evaporated can be moved by natural circulation between the water jacket of the steam generator and the steam drum. This eliminates the need to install pumps and the associated maintenance and repair costs, as well as investment costs.
  • An alternative embodiment of the invention is characterized in that at least one pump is installed between the water jacket of the steam generator and the steam drum in the use according to the invention to support the water circulation. In this case, even if there is no space for a sufficient distance between the steam drum and the steam generator, sufficient water circulation can be achieved in the steam generator.
  • Another preferred embodiment of the invention is characterized by the fact that, when used according to the invention, the steam generator and the steam drum are designed as horizontally arranged, cylindrical pressure vessels.
  • the cylindrical shape, with corresponding arched bottoms, has been tried and tested in apparatus engineering for a long time and can be manufactured inexpensively.
  • the horizontal arrangement enables a low overall height and thus good accessibility to the system.
  • Another preferred embodiment of the invention is characterized in that, when used according to the invention, the riser and downpipe (s) tie into the water jacket of the steam generator in the 0 o'clock position and in the steam drum jacket in the 6 o'clock position.
  • the lines can also be used as structural elements for supporting the steam drum.
  • Another preferred embodiment of the invention is characterized in that, when the steam generator is used according to the invention, it is designed as a tube bundle evaporator. This type of construction has long been tried and tested in apparatus engineering and can be manufactured inexpensively.
  • Another preferred embodiment of the invention is characterized in that, when used according to the invention, the downpipe is routed inside the steam generator around the heating pipe (s) to the volume area of the steam generator located below. In this way, the construction of the heating pipes is hardly influenced by the downpipes and complex structural measures are not required in this area.
  • Another preferred embodiment of the invention is characterized in that, when used according to the invention, the downpipe is passed inside the steam generator through the tube bundle of the heating tubes. In this way, the downpipe (s) can run straight, whereby the flow resistance in the pipe is kept low.
  • Fig. 1 Shown in Fig. 1 is the steam generation system 1, comprising the steam generator 2 and the steam drum 3 as main components.
  • the steam generator 2 is designed as a tube bundle evaporator and is set up horizontally.
  • the hot synthesis gas 4 coming from a steam reforming reactor (not shown) is introduced into the inlet chamber 5 of the steam generator 2, is there distributed over the tubes 6 of the tube bundle 13, flows on into the outlet chamber 7 and does not leave the steam generator 2 for another treatment or recovery depicted.
  • the steam drum 3 is arranged above the steam generator 2.
  • the boiler feed water 8 to be evaporated is fed into it.
  • the water to be evaporated is circulated via the risers 9 and the downpipes 10 as a natural circulation.
  • the steam-water mixture entering the steam drum 3 via the risers 9 is separated there, the steam 11 is discharged for further use and the water is returned to the steam generator via the downpipes 10.
  • the downpipes enter the jacket 12 of the steam generator 2 in the 0 o'clock position and then run inside the jacket 12 past the heating pipes of the tube bundle 6 to the lower volume area of the jacket 12.
  • the downpipes end as deep as possible in the jacket to prevent vapor bubbles from getting into the downpipe and in order to achieve the greatest possible static height, ie the greatest possible vertical distance between the lower and the upper end of the downpipe, and thereby support the natural circulation.
  • Fig. 2 shows a cross section through a steam generation plant with a course of the downpipes 10 'according to the prior art.
  • the risers have not been illustrated, but they are again, as in the one in Fig. 1 shown example, arranged in the 0 o'clock position of the jacket 12.
  • the downpipes 10 ′ are connected to the steam drum 3 in the 4 o'clock and 8 o'clock positions, run around the outside of the steam generator 2 and also open into the steam generator jacket 12 in the 4 o'clock and 8 o'clock positions.
  • Fig. 3a shows a cross-section through a steam generation plant 1 with the downpipe 10 according to the invention.
  • the downpipe 10 is connected to the steam drum 3 in the 6 o'clock position and passes through the jacket 12 of the steam generator 2 in the 0 o'clock position the downpipe 10 around the tube bundle 13 into the volume area of the water jacket 12 located below.
  • Figure 3b also shows a cross section through a steam generation plant with the downpipe 10 according to the invention.
  • the downpipe 10 is also connected to the steam drum 3 in the 6 o'clock position and passes through the jacket 12 of the steam generator 2 in the 0 o'clock position the downpipe 10 runs through the tube bundle 13 into the volume area of the water jacket 12 located below.
  • the invention offers the possibility of using a steam generation system in a more cost-effective and space-saving manner, the installation of the system also being more flexible with regard to the upstream and downstream apparatus.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Detergent Compositions (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Devices For Medical Bathing And Washing (AREA)
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Description

Gebiet der ErfindungField of the invention

Die Erfindung betrifft die Verwendung einer Dampferzeugungsanlage, umfassend

  • einen Dampferzeuger mit einem Wassermantel und mindestens einem darin verlaufenden Heizrohr zur Durchleitung eines Wärmeträgers,
  • eine über dem Dampferzeuger angeordnete Dampftrommel,
  • mindestens eine Steigleitung zur hydraulischen Verbindung des Wassermantels des Dampferzeugers mit der Dampftrommel zur Durchleitung des Dampfs in die Dampftrommel,
  • mndestens eine Fallleitung zur hydraulischen Verbindung der Dampftrommel mit dem Wassermantel des Dampferzeugers zur Rückleitung des Wassers aus der Dampftrommel in den Wassermantel des Dampferzeugers.
The invention relates to the use of a steam generating plant, comprising
  • a steam generator with a water jacket and at least one heating pipe running in it for the passage of a heat transfer medium,
  • a steam drum arranged above the steam generator,
  • at least one riser pipe for the hydraulic connection of the water jacket of the steam generator with the steam drum for the passage of the steam into the steam drum,
  • At least one downpipe for the hydraulic connection of the steam drum with the water jacket of the steam generator to return the water from the steam drum to the water jacket of the steam generator.

Stand der TechnikState of the art

Dampferzeugungsanlagen der eingangs beschriebenen Art sind aus dem Stand der Technik, beispielsweise aus der internationalen Anmeldung WO 2011/104328 A2 , bekannt. In vielen Fällen, insbesondere, wenn als Wärmeträgermittel ein heißes Gas verwendet werden soll, ist der Dampferzeuger dabei als horizontal angeordneter, zylindrischer Rohrbündelwärmetauscher ausgebildet. Einen solchen Rohrbündelwärmetauscher und seine Anwendung zur Abkühlung heißen Synthesegases beschreibt beispielsweise die europäische Patentschrift EP 2312252 B1 .Steam generating systems of the type described at the beginning are from the prior art, for example from the international application WO 2011/104328 A2 , known. In many cases, especially if a hot gas is to be used as the heat transfer medium, the steam generator is a horizontally arranged, cylindrical tube bundle heat exchanger educated. Such a tube bundle heat exchanger and its use for cooling hot synthesis gas is described, for example, in the European patent EP 2312252 B1 .

Die DE-Patentschrift DE 571 207 C beschreibt eine Vorrichtung zum Erhöhen des Wasserumlaufs bei Verdampfern oder Dampfkesseln mittels senkrechter, bis dicht über oder dicht unter den Wasserspiegel reichender Steigrohre, dadurch gekennzeichnet, dass diese Steigrohre in einen über dem Dampfraum angeordneten Wasserabscheider enden, der an seiner tiefsten Stelle ein in den Wasserraum des Kessels führendes Ablaufrohr von solcher Weite trägt, dass sich in dem zugehörigen Abscheider ein Wasserspiegel nicht bilden kann.The DE patent specification DE 571 207 C describes a device for increasing the water circulation in evaporators or steam boilers by means of vertical riser pipes reaching up to just above or just below the water level, characterized in that these riser pipes end in a water separator arranged above the steam chamber, which at its lowest point enters the water chamber of the The drain pipe leading to the boiler is so wide that a water level cannot form in the associated separator.

In Dampferzeugern gemäß Stand der Technik wird das heiße Gas dabei durch die Heizrohre des Rohrbündels geleitet, das zu verdampfende Wasser befindet sich im Mantelraum. Dem Dampferzeuger können ein, häufig ebenfalls als Rohrbündelwärmetauscher ausgebildeter, Vorwärmer, aus Sicht des Wärmeträgermittels, nachgeschaltet und ein Überhitzer vorgeschaltet sein. Oberhalb des Dampferzeugers ist eine sogenannte Dampftrommel, häufig ebenfalls liegend angeordneter Druckbehälter, installiert. Dampftrommel und Dampferzeuger sind durch Steig- und Fallleitungen miteinander verbunden. Dadurch kann das Wasser/Dampf-Gemisch im Umlauf bewegt werden, wodurch der Dampf gut aus dem Dampferzeuger ausgeleitet werden kann und ein effektiverer Wärmeübergang an der Oberfläche der Heizrohre des Dampferzeugers möglich wird. Wenn die Dampftrommel mit genügendem Abstand oberhalb des Dampferzeugers platziert werden kann, kann dieser Umlauf als Naturumlauf funktionieren. Wenn dafür nicht genügend Platz zur Verfügung steht, müssen Pumpen den Umlauf unterstützen. Man spricht dann von Zwangsumlauf.In steam generators according to the state of the art, the hot gas is passed through the heating tubes of the tube bundle, the water to be evaporated is located in the shell space. From the point of view of the heat transfer medium, a preheater, often also designed as a tube bundle heat exchanger, can be connected downstream of the steam generator, and a superheater can be connected upstream. A so-called steam drum, often also arranged horizontally, is installed above the steam generator. The steam drum and steam generator are connected to one another by risers and downpipes. As a result, the water / steam mixture can be moved in circulation, so that the steam can be led out of the steam generator and a more effective heat transfer on the surface of the heating pipes of the steam generator is possible. If the steam drum can be placed with sufficient distance above the steam generator, this circulation can function as a natural circulation. If there is not enough space for this, pumps have to support the circulation. One then speaks of forced circulation.

Um zu verhindern, dass Dampf in die Fallleitungen gelangt, binden diese möglichst tief am Umfang des Dampferzeugers ein, häufig, wenn man sich den Querschnitt des Dampferzeugers als Uhrzifferblatt vorstellt, zwischen der 4- und in der 8-Uhr-Position. Folglich muss, um diese auf der Unterseite des Dampferzeugermantels gelegenen Positionen zu erreichen, die von oben kommende Fallleitung in einem Bogen geführt werden, dessen tiefster Punkt noch unterhalb des tiefsten Punkts des Dampferzeugermantels liegt. Dadurch ist ein Mindestabstand des Dampferzeugers vom Boden erforderlich, wodurch sich konstruktive und aufstellungsbedingte Einschränkungen während der Planung solcher Anlagen ergeben, z.B. sind Reaktorstutzen auf einer Mindesthöhe anzuordnen.To prevent steam from getting into the downpipes, these are tied as deeply as possible around the circumference of the steam generator, often between the 4 o'clock and 8 o'clock position, if the cross-section of the steam generator is imagined as a clock face. Consequently, it is necessary to adjust these positions located on the underside of the steam generator jacket reach, the downpipe coming from above are guided in an arch, the lowest point of which is still below the lowest point of the steam generator jacket. This means that a minimum distance between the steam generator and the floor is required, which results in constructional and installation-related restrictions during the planning of such systems, e.g. reactor nozzles must be arranged at a minimum height.

Die seitlich angebrachten Stutzen für die Fallleitungen induzieren darüber hinaus Kräfte auf den Mantel des Dampferzeugers, und zwar statische Kräfte durch das Eigengewicht der Fallleitungen und durch Wärmedehnungskräfte, sowie dynamische Kräfte durch Wind- und Erdbebenlasten. Dadurch können erheblich höhere Wandstärken der Stutzen und des Druckmantels erforderlich werden, insbesondere bei einer Sonderform der Konstruktion derartiger Anlagen, bei der das Gewicht der Dampftrommel über die Fall- und Steigleitungen abgetragen wird.The laterally attached nozzles for the downpipes also induce forces on the jacket of the steam generator, namely static forces due to the dead weight of the downpipes and thermal expansion forces, as well as dynamic forces due to wind and earthquake loads. As a result, significantly greater wall thicknesses of the nozzle and the pressure jacket may be required, especially in the case of a special form of construction of such systems in which the weight of the steam drum is carried off via the downpipes and risers.

Es bestand daher die Aufgabe, eine Verwendung einer Dampferzeugungsanlage vorzuschlagen, bei der die geschilderten Nachteile vermieden werden.The object was therefore to propose the use of a steam generation system in which the disadvantages outlined are avoided.

Beschreibung der ErfindungDescription of the invention

Die Aufgabe wird durch eine Verwendung einer Dampferzeugungsanlage gemäß den Merkmalen des Anspruchs 1 gelöst.The object is achieved by using a steam generation system according to the features of claim 1.

Die erfindungsgemäße Verwendung der Dampferzeugungsanlage ermöglicht es, den Dampferzeuger in Bodennähe zu positionieren, da die Fallleitungen nicht mehr den tiefsten Punkt der Anlage bilden. Dadurch wird die Konstruktion der vor- und nachgeschalteten Anlagenteile vereinfacht.The use of the steam generating system according to the invention makes it possible to position the steam generator close to the ground, since the downpipes no longer form the lowest point of the system. This simplifies the construction of the upstream and downstream system components.

Durch den Wegfall der zwischen der 4- und der 8-Uhr-Position liegenden Eintrittsstutzen der Fallleitungen werden keine Kräfte mehr seitlich in den Mantel des Dampferzeugers eingetragen. Der Mantel kann daher mit geringerer Wandstärke erstellt werden.The elimination of the inlet connection of the downpipes between the 4 and 8 o'clock position means that no more forces are introduced laterally into the jacket of the steam generator. The jacket can therefore be created with a smaller wall thickness.

Die Tiefpunkte der nach bisherigem Stand der Technik verlegten Fallleitungen mussten jeweils mit einer Entleerungsarmatur versehen sein. Diese Armaturen entfallen in der erfindungsgemäßen Anlage.The lowest points of the downpipes laid according to the previous state of the art had to be provided with a drainage valve. These fittings are omitted in the system according to the invention.

Der Platzbedarf für die Aufstellung der erfindungsgemäßen Dampferzeugungsanlage ist gegenüber einer entsprechenden Anlage nach dem Stand der Technik reduziert, da keine seitlich ausgreifenden Fallleitungen mehr vorhanden sind, sondern diese im Inneren der Vorrichtung nach unten geführt werden.The space required for setting up the steam generation system according to the invention is reduced compared to a corresponding system according to the prior art, since there are no longer any laterally extending downpipes, but these are led down inside the device.

Bevorzugte Ausgestaltungen der ErfindungPreferred embodiments of the invention

Die nachfolgend angegebenen bevorzugten Ausgestaltungen der Erfindung enthalten jeweils alle Merkmale des anhängenden unabhängigen Anspruchs 1. Eine bevorzugte Ausgestaltung der Erfindung ist dadurch geprägt, dass bei der erfindungsgemäßen Verwendung der Dampferzeuger und die Dampftrommel so zueinander angeordnet sind und die Steig- und die Fallleitung so gestaltet sind, dass das zu verdampfende Wasser durch Naturumlauf zwischen dem Wassermantel des Dampferzeugers und der Dampftrommel bewegt werden kann. Dadurch entfällt die Installation von Pumpen und den damit einhergehenden Wartungs- und Reparaturaufwand, sowie Investitionskosten.The preferred embodiments of the invention given below each contain all the features of the appended independent claim 1. A preferred embodiment of the invention is characterized in that, when used according to the invention, the steam generator and the steam drum are arranged in relation to one another and the riser and downpipes are designed in this way that the water to be evaporated can be moved by natural circulation between the water jacket of the steam generator and the steam drum. This eliminates the need to install pumps and the associated maintenance and repair costs, as well as investment costs.

Eine alternative Ausgestaltung der Erfindung ist dadurch geprägt, dass bei der erfindungsgemäßen Verwendung zur Unterstützung des Wasserumlaufs zwischen Wassermantel des Dampferzeugers und der Dampftrommel mindestens eine Pumpe installiert ist. In diesem Fall kann, auch wenn kein Platz für einen ausreichenden Abstand zwischen Dampftrommel und Dampferzeuger zur Verfügung steht, ein ausreichender Wasserumlauf im Dampferzeuger erreicht werden.An alternative embodiment of the invention is characterized in that at least one pump is installed between the water jacket of the steam generator and the steam drum in the use according to the invention to support the water circulation. In this case, even if there is no space for a sufficient distance between the steam drum and the steam generator, sufficient water circulation can be achieved in the steam generator.

Eine weitere bevorzugte Ausgestaltung der Erfindung ist dadurch geprägt, dass bei der erfindungsgemäßen Verwendung der Dampferzeuger und die Dampftrommel als horizontal angeordnete, zylinderförmige Druckbehälter ausgebildet sind. Die zylinderförmige Form, mit entsprechenden gewölbten Böden, ist im Apparatebau seit Langem bewährt und preiswert herstellbar. Die horizontale Anordnung ermöglicht eine niedrige Bauhöhe und damit gute Zugänglichkeit der Anlage.Another preferred embodiment of the invention is characterized by the fact that, when used according to the invention, the steam generator and the steam drum are designed as horizontally arranged, cylindrical pressure vessels. The cylindrical shape, with corresponding arched bottoms, has been tried and tested in apparatus engineering for a long time and can be manufactured inexpensively. The horizontal arrangement enables a low overall height and thus good accessibility to the system.

Eine weitere bevorzugte Ausgestaltung der Erfindung ist dadurch geprägt, dass bei der erfindungsgemäßen Verwendung die Steig- und die Fallleitung/en in der 0 Uhr-Position in den Wassermantel des Dampferzeugers und in der 6 Uhr-Position in Dampftrommelmantel einbinden. Auf diese Weise können die Leitungen auch als Konstruktionselemente zum Tragen der Dampftrommel verwendet werden.Another preferred embodiment of the invention is characterized in that, when used according to the invention, the riser and downpipe (s) tie into the water jacket of the steam generator in the 0 o'clock position and in the steam drum jacket in the 6 o'clock position. In this way, the lines can also be used as structural elements for supporting the steam drum.

Eine weitere bevorzugte Ausgestaltung der Erfindung ist dadurch geprägt, dass bei der erfindungsgemäßen Verwendung der Dampferzeuger als Rohrbündelverdampfer ausgebildet ist. Diese Bauart ist im Apparatebau seit langem bewährt und preiswert herstellbar.Another preferred embodiment of the invention is characterized in that, when the steam generator is used according to the invention, it is designed as a tube bundle evaporator. This type of construction has long been tried and tested in apparatus engineering and can be manufactured inexpensively.

Eine weitere bevorzugte Ausgestaltung der Erfindung ist dadurch geprägt, dass bei der erfindungsgemäßen Verwendung die Fallleitung innerhalb des Dampferzeugers um das oder die Heizrohre herum bis in den darunter gelegenen Volumenbereich des Dampferzeugers geführt wird. Auf diese Weise wird die Konstruktion der Heizrohre durch die Fallleitungen kaum beeinflusst und aufwändige konstruktive Maßnahmen in diesem Bereich sind nicht erforderlich.Another preferred embodiment of the invention is characterized in that, when used according to the invention, the downpipe is routed inside the steam generator around the heating pipe (s) to the volume area of the steam generator located below. In this way, the construction of the heating pipes is hardly influenced by the downpipes and complex structural measures are not required in this area.

Eine weitere bevorzugte Ausgestaltung der Erfindung ist dadurch geprägt, dass bei der erfindungsgemäßen Verwendung die Fallleitung innerhalb des Dampferzeugers durch das Rohrbündel der Heizrohre hindurch geführt wird. Auf diese Weise kann das bzw. die Fallleitungen gerade verlaufen, wodurch der Strömungswiderstand im Rohr gering gehalten wird.Another preferred embodiment of the invention is characterized in that, when used according to the invention, the downpipe is passed inside the steam generator through the tube bundle of the heating tubes. In this way, the downpipe (s) can run straight, whereby the flow resistance in the pipe is kept low.

AusführungsbeispieleEmbodiments

Weitere Merkmale, Vorteile und Anwendungsmöglichkeiten der Erfindung ergeben sich auch aus der nachfolgenden Beschreibung von Ausführungsbeispielen und der Zeichnungen.Further features, advantages and possible applications of the invention can also be found in the following description of exemplary embodiments and the drawings.

Es zeigen

Fig. 1
einen Längsschnitt durch eine Dampferzeugungsanlage für eine erfindungsgemäße Verwendung derselben,
Fig. 2
einen Querschnitt durch eine Dampferzeugungsanlage gemäß dem Stand der Technik,
Fig. 3a
einen ersten Querschnitt durch eine Dampferzeugungsanlage für eine erfindungsgemäße Verwendung derselben,
Fig. 3b
einen zweiten Querschnitt durch eine Dampferzeugungsanlage für eine erfindungsgemäße Verwendung derselben.
Show it
Fig. 1
a longitudinal section through a steam generation system for use according to the invention,
Fig. 2
a cross section through a steam generation plant according to the prior art,
Fig. 3a
a first cross-section through a steam generating system for a use according to the invention thereof,
Figure 3b
a second cross section through a steam generating system for use according to the invention of the same.

Dargestellt in Fig. 1 ist die Dampferzeugungsanlage 1, umfassend als Hauptkomponenten den Dampferzeuger 2 und die Dampftrommel 3. Der Dampferzeuger 2 ist als Rohrbündelverdampfer ausgebildet und waagerecht aufgestellt. Das aus einem, nicht bildlich dargestellten, Dampfreformierungsreaktor kommende, heiße Synthesegas 4 wird in die Eintrittskammer 5 des Dampferzeugers 2 eingeleitet, wird dort auf die Rohre 6 des Rohrbündels 13 verteilt, fließt weiter in die Austrittskammer 7 und verlässt den Dampferzeuger 2 zur weiteren, nicht dargestellten Behandlung oder Verwertung.Shown in Fig. 1 is the steam generation system 1, comprising the steam generator 2 and the steam drum 3 as main components. The steam generator 2 is designed as a tube bundle evaporator and is set up horizontally. The hot synthesis gas 4 coming from a steam reforming reactor (not shown) is introduced into the inlet chamber 5 of the steam generator 2, is there distributed over the tubes 6 of the tube bundle 13, flows on into the outlet chamber 7 and does not leave the steam generator 2 for another treatment or recovery depicted.

Die Dampftrommel 3 ist oberhalb des Dampferzeugers 2 angeordnet. In sie wird das zu verdampfende Kesselspeisewasser 8 eingespeist. Über die Steigleitungen 9 und die Fallleitungen 10 erfolgt, als Naturumlauf, eine Umwälzung des zu verdampfenden Wassers. Das dabei über die Steigleitungen 9 in die Dampftrommel 3 gelangende Dampf-WasserGemisch wird dort getrennt, der Dampf 11 wird zur weiteren Verwendung ausgeleitet und das Wasser wird über die Fallleitungen 10 in den Dampferzeuger zurückgeführt. Dabei treten die Fallleitungen in der 0 Uhr-Position in den Mantel 12 des Dampferzeugers 2 ein und verlaufen dann, innerhalb des Mantels 12, an den Heizrohren des Rohrbündels 6 vorbei, bis in den unteren Volumenbereich des Mantels 12. Die Fallleitungen enden so tief wie möglich im Mantel, um zu vermeiden, dass Dampfblasen in die Fallleitung geraten und um durch eine möglichst große statische Höhe, d.h. einen möglichst großen vertikalen Abstand zwischen dem unteren und dem oberen Ende der Fallleitung, zu erreichen und dadurch den Naturumlauf zu unterstützen.The steam drum 3 is arranged above the steam generator 2. The boiler feed water 8 to be evaporated is fed into it. The water to be evaporated is circulated via the risers 9 and the downpipes 10 as a natural circulation. The steam-water mixture entering the steam drum 3 via the risers 9 is separated there, the steam 11 is discharged for further use and the water is returned to the steam generator via the downpipes 10. The downpipes enter the jacket 12 of the steam generator 2 in the 0 o'clock position and then run inside the jacket 12 past the heating pipes of the tube bundle 6 to the lower volume area of the jacket 12. The downpipes end as deep as possible in the jacket to prevent vapor bubbles from getting into the downpipe and in order to achieve the greatest possible static height, ie the greatest possible vertical distance between the lower and the upper end of the downpipe, and thereby support the natural circulation.

Fig. 2 zeigt einen Querschnitt durch eine Dampferzeugungsanlage mit einem Verlauf der Fallleitungen 10' gemäß dem Stand der Technik. Zur Erhöhung der Übersichtlichkeit wurden die Steigleitungen nicht bildlich dargestellt, sie sind aber wieder, wie in dem in Fig. 1 gezeigten Beispiel, in der 0 Uhr-Position des Mantels 12 angeordnet. Die Fallleitungen 10' sind in der 4- und in der 8 Uhr-Position an die Dampftrommel 3 angeschlossen, verlaufen außen um den Dampferzeuger 2 herum und münden ebenfalls in der 4- und der 8 Uhr-Position im Dampferzeugermantel 12. Fig. 2 shows a cross section through a steam generation plant with a course of the downpipes 10 'according to the prior art. For the sake of clarity, the risers have not been illustrated, but they are again, as in the one in Fig. 1 shown example, arranged in the 0 o'clock position of the jacket 12. The downpipes 10 ′ are connected to the steam drum 3 in the 4 o'clock and 8 o'clock positions, run around the outside of the steam generator 2 and also open into the steam generator jacket 12 in the 4 o'clock and 8 o'clock positions.

Fig. 3a zeigt einen Querschnitt durch eine Dampferzeugungsanlage 1 mit erfindungsgemäßem Verlauf der Fallleitung 10. Die Fallleitung 10 ist in der 6 Uhr-Position an die Dampftrommel 3 angeschlossen und tritt in der 0 Uhr-Position durch den Mantel 12 des Dampferzeugers 2. Innerhalb des Mantels 12 verläuft die Fallleitung 10 um das Rohrbündel 13 herum bis in den darunter gelegenen Volumenbereich des Wassermantels 12. Fig. 3a shows a cross-section through a steam generation plant 1 with the downpipe 10 according to the invention. The downpipe 10 is connected to the steam drum 3 in the 6 o'clock position and passes through the jacket 12 of the steam generator 2 in the 0 o'clock position the downpipe 10 around the tube bundle 13 into the volume area of the water jacket 12 located below.

Fig. 3b zeigt ebenfalls einen Querschnitt durch eine Dampferzeugungsanlage mit erfindungsgemäßem Verlauf der Fallleitung 10. Die Fallleitung 10 ist ebenfalls in der 6 Uhr-Position an die Dampftrommel 3 angeschlossen und tritt in der 0 Uhr-Position durch den Mantel 12 des Dampferzeugers 2. Innerhalb des Mantels 12 verläuft die Fallleitung 10 durch das Rohrbündel 13 hindurch bis in den darunter gelegenen Volumenbereich des Wassermantels 12. Figure 3b also shows a cross section through a steam generation plant with the downpipe 10 according to the invention. The downpipe 10 is also connected to the steam drum 3 in the 6 o'clock position and passes through the jacket 12 of the steam generator 2 in the 0 o'clock position the downpipe 10 runs through the tube bundle 13 into the volume area of the water jacket 12 located below.

Gewerbliche AnwendbarkeitCommercial applicability

Die Erfindung bietet die Möglichkeit, eine Dampferzeugungsanlage kostengünstiger und platzsparender zu verwenden, wobei auch die Aufstellung der Anlage bezüglich der vorund nachgeschalteten Apparate flexibler durchführbar ist.The invention offers the possibility of using a steam generation system in a more cost-effective and space-saving manner, the installation of the system also being more flexible with regard to the upstream and downstream apparatus.

BezugszeichenlisteList of reference symbols

11
Dampferzeugungsanlage für eine erfindungsgemäße VerwendungSteam generating plant for use according to the invention
1'1'
Dampferzeugungsanlage gemäß Stand der TechnikState-of-the-art steam generation system
22
DampferzeugerSteam generator
33
DampftrommelSteam drum
44th
SynthesegasSynthesis gas
55
EintrittskammerEntry chamber
66th
HeizrohreHeating pipes
77th
AustrittskammerExit chamber
88th
KesselspeisewasserBoiler feed water
99
SteigleitungRiser
1010
FallleitungDownpipe
10'10 '
Fallleitung gemäß Stand der TechnikState of the art downpipe
1111
Dampfsteam
1212th
Mantel des DampferzeugersJacket of the steam generator
1313th
Rohrbündel der HeizrohreTube bundle of the heating tubes

Claims (8)

  1. Use of a steam generation plant (1), the steam generation plant (1) comprising
    a steam generator (2) having a water jacket (12) and at least one heating tube (6) running therein for passing a heat transfer medium through,
    a steam drum (3),
    at least one riser conduit (9) for hydraulically connecting the water jacket of the steam generator to the steam drum for conveying the steam into the steam drum, at least one downcomer conduit (11) for hydraulically connecting the steam drum to the water jacket of the steam generator to convey the water from the steam drum back into the water jacket of the steam generator, where the top half of the downcomer conduit, coming from the steam drum, passes through the water jacket of the steam generator and runs further therein into its lower half, characterized in that the steam generation plant is in use installed downstream of a steam reforming reactor and the synthesis gas exiting from the steam reforming reactor is used as heat transfer medium in the steam generator of the steam generation plant.
  2. Use of a steam generation plant according to Claim 1, characterised in that the steam generator and the steam drum are arranged relative to one another and the riser conduit and the downcomer conduit are configured so that the water to be vaporized can be moved by natural convection between the water jacket of the steam generator and the stem drum.
  3. Use of a steam generation plant according to Claim 1, characterized in that at least one pump is installed between steam generator and steam drum to assist the convection of water.
  4. Use of a steam generation plant according to any of the preceding claims, characterized in that the steam generator and the steam drum are configured as horizontally arranged, cylindrical pressure vessels.
  5. Use of a steam generation plant according to Claim 4, characterized in that the riser conduit(s) and the downcomer conduit(s) run in the 12 O'clock position into the water jacket of the steam generator and in the 6 o'clock position into the steam drum outer wall.
  6. Use of a steam generation plant according to any of the preceding claims, characterized in that the steam generator is configured as a shell-and-tube vaporizer.
  7. Use of a steam generation plant according to Claim 6, characterized in that the downcomer conduit is conducted around the bundle of tubes within the water jacket of the steam generator.
  8. Use of a steam generation plant according to Claim 6, characterized in that the downcomer conduit is conducted through the bundle of tubes within the water jacket of the steam generator.
EP16400027.5A 2016-07-08 2016-07-08 Steam creation system Active EP3267100B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PL16400027T PL3267100T3 (en) 2016-07-08 2016-07-08 Steam creation system
EP16400027.5A EP3267100B1 (en) 2016-07-08 2016-07-08 Steam creation system
DE102016120170.7A DE102016120170A1 (en) 2016-07-08 2016-10-24 Steam generating plant
EA201990072A EA039024B1 (en) 2016-07-08 2017-07-03 Steam generating system
KR1020197002423A KR20190024974A (en) 2016-07-08 2017-07-03 Steam generating system
US16/316,240 US20190226675A1 (en) 2016-07-08 2017-07-03 Steam generation system
PCT/EP2017/025193 WO2018007024A1 (en) 2016-07-08 2017-07-03 Steam generating system
SG11201811692PA SG11201811692PA (en) 2016-07-08 2017-07-03 Steam generating system
CN201710555812.6A CN107588414A (en) 2016-07-08 2017-07-10 Steam generating system
CN201720830432.4U CN208139236U (en) 2016-07-08 2017-07-10 steam generating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16400027.5A EP3267100B1 (en) 2016-07-08 2016-07-08 Steam creation system

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EP3267100A1 EP3267100A1 (en) 2018-01-10
EP3267100B1 true EP3267100B1 (en) 2021-04-14

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KR (1) KR20190024974A (en)
CN (2) CN208139236U (en)
DE (1) DE102016120170A1 (en)
EA (1) EA039024B1 (en)
PL (1) PL3267100T3 (en)
SG (1) SG11201811692PA (en)
WO (1) WO2018007024A1 (en)

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EP3267100B1 (en) * 2016-07-08 2021-04-14 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Steam creation system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE571207C (en) * 1929-05-04 1933-02-24 Otto Buehring Device for increasing the water circulation in evaporators or steam boilers
DE1148239B (en) * 1957-06-27 1963-05-09 Andre Huet Steam boilers, especially for ships, consisting of several in a common container or several such vertical pipes arranged parallel to one another with coaxial inner pipes
US3463125A (en) * 1967-11-16 1969-08-26 James T Voorheis Horizontal boilers,apparatus in combination therewith and methods for heating same
US4074660A (en) * 1975-11-24 1978-02-21 The Lummus Company Waste heat recovery from high temperature reaction effluents
DE3429366C2 (en) * 1984-08-09 1990-09-13 L. & C. Steinmüller GmbH, 5270 Gummersbach Cracked gas cooler
US7500999B2 (en) * 2004-09-01 2009-03-10 Praxair Technology, Inc. Catalytic reactor
DE102006055973A1 (en) * 2006-11-24 2008-05-29 Borsig Gmbh Heat exchanger for cooling cracked gas
EP2278220B1 (en) * 2009-06-24 2014-03-05 Balcke-Dürr GmbH Heater for creating steam for a solar thermal power plant
EP2312252B1 (en) 2009-10-07 2013-03-20 Lurgi GmbH Waste heat boiler and method for cooling synthesis gas
WO2011104328A2 (en) 2010-02-26 2011-09-01 Siemens Aktiengesellschaft Apparatus and method for generating superheated steam using solar energy on the basis of the natural circulation concept, and use of the superheated steam
GB201007196D0 (en) * 2010-04-30 2010-06-16 Compactgtl Plc Gas-to-liquid technology
DE102010044939C5 (en) * 2010-09-10 2015-11-19 Thyssenkrupp Industrial Solutions Ag Process and device for generating process steam and boiler feed water vapor in a heatable reforming reactor for the production of synthesis gas
EP3267100B1 (en) * 2016-07-08 2021-04-14 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Steam creation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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EP3267100A1 (en) 2018-01-10
KR20190024974A (en) 2019-03-08
SG11201811692PA (en) 2019-01-30
CN208139236U (en) 2018-11-23
PL3267100T3 (en) 2021-10-25
EA039024B1 (en) 2021-11-23
DE102016120170A1 (en) 2018-01-11
WO2018007024A1 (en) 2018-01-11
EA201990072A1 (en) 2019-05-31
US20190226675A1 (en) 2019-07-25
CN107588414A (en) 2018-01-16

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