EP1537358B1 - Generateur de vapeur construit horizontalement - Google Patents

Generateur de vapeur construit horizontalement Download PDF

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Publication number
EP1537358B1
EP1537358B1 EP03794968A EP03794968A EP1537358B1 EP 1537358 B1 EP1537358 B1 EP 1537358B1 EP 03794968 A EP03794968 A EP 03794968A EP 03794968 A EP03794968 A EP 03794968A EP 1537358 B1 EP1537358 B1 EP 1537358B1
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EP
European Patent Office
Prior art keywords
evaporator
steam
steam generator
flow
heating
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.)
Expired - Fee Related
Application number
EP03794968A
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German (de)
English (en)
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EP1537358A1 (fr
Inventor
Joachim Franke
Rudolf Kral
Eberhard Wittchow
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Siemens AG
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Siemens AG
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Publication date
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Priority to EP03794968A priority Critical patent/EP1537358B1/fr
Publication of EP1537358A1 publication Critical patent/EP1537358A1/fr
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Publication of EP1537358B1 publication Critical patent/EP1537358B1/fr
Anticipated expiration legal-status Critical
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
    • F22B1/1815—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines using the exhaust gases of gas-turbines

Definitions

  • the invention relates to a steam generator, in which an evaporator continuous heating surface is arranged in a flow-through in an approximately horizontal Wiengasraum heating gas, which comprises a number of parallel to the flow of
  • the heat contained in the relaxed working fluid or heating gas from the gas turbine is used to generate steam for the steam turbine.
  • the heat transfer takes place in a heat recovery steam generator connected downstream of the gas turbine, in which a number of heating surfaces for water preheating, steam generation and steam superheating is usually arranged.
  • the heating surfaces are connected in the water-steam cycle of the steam turbine.
  • the water-steam cycle usually includes several, z. B. three, pressure levels, each pressure stage may have a Verdampferloom phenomenon.
  • a continuous steam generator In contrast to a natural or forced circulation steam generator, a continuous steam generator is not subject to any pressure limitation, so that it is possible for live steam pressures far above the critical pressure of water (P Kri ⁇ 221 bar) - where no differentiation of the phases water and steam and thus no phase separation is possible. can be designed.
  • a high live steam pressure promotes a high thermal efficiency and thus low CO 2 emissions of a fossil-fired power plant.
  • a continuous steam generator in comparison to a circulating steam generator a simple construction and is thus produced with very little effort.
  • the use of a designed according to the flow principle steam generator as heat recovery steam generator of a gas and steam turbine plant is therefore particularly favorable to achieve a high overall efficiency of the gas and steam turbine plant with a simple design.
  • a steam generator which is suitable for a design in horizontal design and also has the advantages of a continuous steam generator mentioned.
  • the evaporator heating surface of the known steam generator is connected as Norlaufterrorism phenomenon and designed such that a more heated compared to another steam generator tube fürlaufterrorism related steam generator tube has a higher compared to the other steam generator tube throughput of the flow medium.
  • continuous heating surface is generally to be understood a heating surface, which is designed for a flow according to the flow principle. The flow medium supplied to the evaporator heating surface interconnected as a continuous heating surface is thus completely evaporated in a single pass through this continuous heating surface or through a heating surface system comprising a plurality of continuous heating surfaces connected in series.
  • the known steam generator has a multi-stage ausgestaltetes evaporator system, in which a first fürviersammlung phenomenon flow medium side, a further evaporator fürlauf carving phenomenon is connected downstream.
  • a first fürviersammlung flow medium side
  • a further evaporator fürlauf carving phenomenon is connected downstream.
  • the known steam generator is provided with a complex distribution system, which requires a comparatively high structural and design effort.
  • the invention is therefore based on the object of specifying a steam generator of the type mentioned above, in which even with comparatively low structural and constructive effort, a particularly high degree of flow stability in the operation of connected as a continuous heating surface evaporator heating surface or evaporator fürlauf redesign Construction is achievable.
  • the invention is based on the consideration that the structural and design effort in the preparation of the steam generator can be kept low by the number of types of components used is reduced to a special degree.
  • Such a reduction of components is achievable in the steam generator of the abovementioned type by saving the distributor system connected downstream of the continuous heating surface by consistently utilizing the already provided characteristic of the continuous heating surface, namely the self-stabilizing circulation characteristic. It is precisely because of this characteristic that the mixture of mutually parallel steam generator tubes flowing out of the flow medium and its transfer to downstream heating system without significant impairment of the homogenization achieved in the mixture of a downstream distribution system in the steam generator tubes anyway downstream outlet collector are moved into it, without this would lead to significant flow instabilities or other problems. Accordingly, the comparatively complicated distribution system can be omitted.
  • a suitable embodiment of the outlet header for this purpose namely for suitable mixing and continuation of the effluent from the steam generator tubes
  • suitable design of the outlet header is reached by the arranged in Bankgasraum successively arranged and thus one with respect to the heating profile locally different heating exposed steam generator tubes of the evaporator fürlaufsammlung construction output side lead into a common collector's room.
  • Such, common for the arranged in Walkergasraum successively arranged steam generator tubes common collector space is made possible by an alignment of the outlet collector with its longitudinal axis substantially parallel to the direction Schugasraum.
  • a particularly simple construction of the outlet collector itself can be achieved by this is advantageously formed substantially as a cylinder body.
  • the evaporator continuous heating surface preferably in the manner of a tube bundle, comprises a number of tube layers arranged one behind the other in the heating gas direction, each of which is formed from a number of steam generator tubes arranged side by side in the direction of the heating gas.
  • each tube layer could be assigned a common outlet collector.
  • the evaporator system of the steam generator is designed in the manner of a multi-stage design, wherein the evaporator fürlaufsammlung construction is provided in the manner of a pre-evaporator for suitable conditioning of the flow medium before it enters a further downstream evaporator fürlaufsammlung construction.
  • the further evaporator passage heating surface therefore serves in the manner of a second evaporator stage to complete the evaporation of the flow medium.
  • the further evaporator fürlaufterrorism taken for a self-stabilizing flow behavior by consistent use of a natural circulation characteristic in the respective steam generator tubes is designed.
  • the further evaporator passage heating surface advantageously comprises a number of steam generator tubes connected in parallel to the flow medium through the flow medium. It is expediently likewise designed in such a way that a steam generator tube which is more heated compared to a further steam generator tube of the further continuous heating surface has a higher throughput of the flow medium than the further steam generator tube.
  • the steam generator is advantageously formed from substantially vertically oriented, provided for flow through the flow medium from bottom to top steam generator tubes
  • the further evaporator fürlaufsammlung construction is particularly advantageous Formation formed from U-shaped steam generator tubes.
  • the steam generator tubes forming the further evaporator passage heating surface each have an approximately vertically arranged, from the flow medium in the downward direction through-flowable case and this downstream of the flow medium side, approximately vertically arranged and flow medium through-flow in the upward direction riser piece.
  • vapor bubbles forming in the downpipe pieces could rise against the flow direction of the flow medium and thus undesirably impair the stability of the flow.
  • the evaporator system is advantageously designed for a consistent entrainment of such vapor bubbles with the flow medium.
  • the continuous heating surface is expediently dimensioned such that, in the operating case, the flow medium flowing into the further continuous heating surface connected downstream thereof has a flow velocity of more than the vapor bubbles created for entrainment required minimum speed.
  • the steam generator tubes of the further evaporator fürlaufsammlung are connected on the inlet side in a common, perpendicular to the longitudinal axis of the outlet collector and thus perpendicular to the direction Schugasraum aligned level to their respective assigned inlet collector.
  • the steam generator is used as a heat recovery steam generator of a gas and steam turbine plant.
  • the steam generator is advantageously followed by a gas turbine on the hot gas side.
  • this circuit can be arranged expediently behind the gas turbine, an additional firing to increase the temperature of the heating gas.
  • the advantages achieved by the invention are, in particular, that the already provided property of the evaporator continuous heating surface, namely a self-stabilizing circulation characteristic, can be used consistently for simplifying the distribution by aligning the outlet collector parallel to the heating gas direction. Precisely because of the self-stabilizing circulation characteristic, steam generator tubes arranged one behind the other in the direction of the heating gas can now discharge on the output side into a common outlet collector with approximately the same vapor states. In this, the flowing out of the steam generator tubes flow medium is mixed and provided for forwarding to a subsequent heating surface system without affecting the homogenization achieved in the mixture. In particular, through the integration of outlet and inlet collectors can account for a separate, the evaporator fürlaufsammlung constitutional reason downstream and comparatively complex distribution system. Furthermore, the steam generator designed in this way has a comparatively low total pressure loss on the flow medium side.
  • FIG. 1 shown with its evaporator section steam generator 1 is connected downstream of the exhaust gas in the manner of a heat recovery steam generator of a gas turbine, not shown.
  • the steam generator 1 has a surrounding wall 2, which forms a in a nearly horizontal, indicated by the arrows 4
  • Wiengasraum x fuel gas channel 6 for the exhaust gas from the gas turbine is a number - in the exemplary embodiment two - arranged by the flow principle evaporator heating surfaces 8, 10, which are connected in series for the flow of a flow medium W, D.
  • the multistage evaporator system formed from the evaporator pass-through heating surfaces 8, 10 can be acted upon by unvaporized flow medium W, which evaporates with a single pass through the evaporator pass-through heating surfaces 8, 10 and after discharge from the evaporator pass-through heating surface 10 is discharged as vapor D and usually to the other overheating Superheater heating surfaces is supplied.
  • the evaporator throughflow heating surfaces 8, 10 formed evaporator system is connected in the non-illustrated water-steam cycle of a steam turbine. In addition to this evaporator system are in the water-steam cycle of the steam turbine, a number of others, in FIG. 1 not shown in detail connected heating surfaces, which may be, for example, superheater, medium-pressure evaporator, low-pressure evaporator and / or preheater.
  • the evaporator passage heating surface 8 is formed by a number of parallel to the flow of the flow medium W steam generator tubes 12.
  • the steam generator tubes 12 are aligned substantially vertically with their longitudinal axis and designed for a flow through the flow medium W from a lower inlet region to an upper outlet region, ie from bottom to top.
  • the evaporator pass-through heating surface 8 in the manner of a tube bundle comprises a number of seen in Bankgasraum x successively arranged pipe layers 14, each of which is formed from a number of viewed in Bankgasraum x juxtaposed steam generator tubes 12, and of which FIG. 1 only one steam generator tube 12 is visible in each case.
  • the steam generator tubes 12 of each tube layer 14 are each preceded by a common inlet collector 16 aligned with its longitudinal direction substantially perpendicular to the heating gas direction x and arranged below the heating gas channel 6.
  • the inlet collector 16 are at an in FIG. 1 connected only schematically indicated water supply system 18, which may include a distribution system for demand-based distribution of the influx of flow medium W to the inlet header 16.
  • the evaporator pass-through heating surface 8 is designed such that it is suitable for feeding the steam generator tubes 12 with a comparatively low mass flow density, wherein the design flow conditions in the steam generator tubes 12 have a natural circulation characteristic. In this natural circulation characteristic, a more heated steam generator tube 12 compared to another steam generator tube 12 of the same evaporator pass-through heating surface 8 has a higher throughput of the flow medium W compared to the other steam generator tube 12.
  • the continuous flow surface 8 downstream of the flow medium side further evaporator flow heating surface 10 is configured.
  • the further evaporator pass-through heating surface 10 of the steam generator 1 comprises in the manner of a tube bundle a plurality of parallel to flow through the flow medium W steam generator tubes 22.
  • a plurality of steam generator tubes 22 is arranged to form a so-called pipe layer in Walkergasraum x seen side by side, so that in each case only one of the juxtaposed steam generator tubes 22 a pipe layer is visible.
  • the so juxtaposed steam generator tubes 22 each an associated distributor or inlet header 24 upstream and a common outlet header 26 downstream of the flow medium side.
  • the further evaporator für Motheratty Acids comprises two flow medium side connected in series segments.
  • each of the further evaporator pass-through heating surface 10 forming steam generator tube 22 thereby includes an approximately vertically arranged
  • each steam generator tube 22 includes a riser pipe piece 34 downstream of the downcomer 32, downstream of the downcomer 32, and disposed approximately vertically and throughflow medium W in the upward direction.
  • the riser piece 34 is connected to the associated drop tube piece 32 via an overflow piece 36.
  • the overflow pieces 36 are guided within the heating gas channel 6.
  • Each steam generator tube 22 of the further evaporator pass-through heating surface 10 has, as in FIG. 1 can be seen, a nearly U-shaped form, wherein the legs of the U through the downpipe piece 32 and the riser pipe piece 34 and the connecting sheet are formed by the overflow 36.
  • the geodetic pressure contribution of the flow medium W in the region of the downer piece 32-in contrast to the region of the riser piece 34-produces a flow-promoting and not a flow-inhibiting pressure contribution.
  • the water column of unvaporised flow medium W located in the downer piece 32 still "pushes in" the throughflow of the respective steam generator tube 22, instead of hindering it.
  • the steam generator tube 22 as a whole has a comparatively low pressure loss.
  • each steam generator tube 22 is suspended or fixed respectively in the inlet region of its downer piece 32 and in the exit region of its riser piece 34 in the manner of a suspended construction on the ceiling of the heating gas duct 6.
  • the spatially lower ends of the respective downcomer piece 32 and the respective riser piece 34, which are interconnected by their overflow piece 36, however, are not directly spatially fixed to the heating gas channel 6. Elongations of these segments of the Steam generator tubes 22 are thus tolerable without risk of damage, the respective overflow 36 acts as a strain curve.
  • This arrangement of the steam generator tubes 22 is thus mechanically very flexible and insensitive to thermal expansion occurring in relation to differential strains.
  • the steam generator 1 is designed for a reliable, homogeneous flow guidance with a comparatively simple construction.
  • the designed according to the design of the evaporator fürlaufsammlung Design 8 natural circulation characteristic is consistently used for a simplification of the distribution system.
  • This natural circulation characteristic and the associated, designed according comparatively low mass flow density namely allow the merging of the partial streams seen in Walkergasraum x successively arranged and thus differently heated steam generator tubes in a common space.
  • each of the outlet collectors 20 which are essentially parallel to each other and arranged next to one another, of which in FIG. 1 only one is visible, aligned with its longitudinal axis substantially parallel to the heating gas x direction.
  • the number of outlet headers 20 is adapted to the number of steam generator tubes 12 in each pipe layer 14.
  • Each outlet header 20 is assigned to an inlet header 24 of the further flow heating surface 10 downstream of the continuous flow surface 8 on the flow medium side. Due to the u-shaped Design of the further fürlaufsammlung Design 10 is the respective inlet header 24 as well as the respective outlet header 20 above the Schugaskanals 6.
  • the flow medium side series connection of fürlaufsammlung Design 8 with the further fürlauf carving Structure 10 is possible in a particularly simple manner by each outlet header 20 with the associated with him Entrance collector 24 is integrated into a structural unit 40.
  • the constructional or structural unit 40 allows an immediate overflow of the flow medium W from the evaporator pass-through heating surface 8 into the further evaporator pass-through heating surface 10, without requiring a comparatively complex distribution or connection system.
  • vapor bubbles may occur in the downer piece 32 of a steam generator tube. These vapor bubbles could ascend contrary to the flow direction of the flow medium W in the respective downpipe piece 32 and thus hinder the stability of the flow and also the reliable operation of the steam generator 1.
  • the steam generator 1 is designed for feeding the further evaporator pass-through heating surface 10 with already partially evaporated flow medium W.
  • a supply of the flow medium W in the further evaporator fürlaufsammlung construction 10 is provided such that the flow medium W in the downer piece 32 of the respective steam generator tube 22 has a flow rate of more than a predetermined minimum speed.
  • This in turn is dimensioned such that due to the sufficiently high flow rate of the flow medium W in the respective downpipe piece 32 there possibly existing vapor bubbles reliably in the flow direction of the flow medium W entrained and transferred over the respective overflow 36 in the respective downstream riser piece 34.
  • the evaporator fürlauf carving Structure 8 is upstream of the further evaporator fürlauf carving phenomenon 10 of the steam generator 1 flow medium side in the manner of a pre-evaporator.
  • the evaporator pass-through heating surface 8 provided in the manner of a pre-evaporator is arranged spatially in the comparatively colder space region of the heating gas duct 6 and thus downstream of the further evaporator pass-through heating surface 10 on the heating gas side.
  • the further evaporator pass-through heating surface 10 is arranged in the vicinity of the inlet region of the heating gas duct 6 for the heating gas flowing out of the gas turbine and thus exposed to a comparatively strong heat input by the heating gas during operation.
  • the evaporator für Motherchain In accordance with the intended design of the evaporator system formed by the für Mothersammlung description 8 and the flow medium side downstream further fürlauf carving scene 10, namely in the design case, the input side feeding the other evaporator fürlaufsammlung construction 10 with partially pre-evaporated, a sufficiently high vapor content and / or a sufficiently high enthalpy exhibiting Flow medium W, the evaporator fürlaufsammlung description 8 is suitably dimensioned.
  • the evaporator fürlauf carving Design 8 is dimensioned such that in the operating case in the hereafter connected further evaporator fürlaufsammlung phenomenon 10 inflowing flow medium W requires a flow rate of more than the entrainment of existing in the respective downpipe pieces 32 or existing vapor bubbles Minimum speed has.
  • the high operational safety designed according to the design is particularly achievable in that the average heat absorption during operation is distributed substantially uniformly over the evaporator throughflow heating surface 8 and onto the further evaporator throughflow heating surface 10.
  • the evaporator fürlauftogether vom 8, 10 and these forming steam generator tubes 12 and 22 are therefore dimensioned in the embodiment such that in the operating case, the entire heat input into the evaporator fürlaufsammlung configuration 8 forming steam generator tubes 12 in about the heat input into the further evaporator fürlauf carving procedure 10 forming steam generator tubes 22 corresponds.
  • the evaporator through-flow heating surface 8 has a number of steam generator tubes 12 which are suitably selected with regard to the number of steam generator tubes 22 and which have further downstream evaporator throughflow heating surface.
  • the steam generator tubes 12 are each two adjacent pipe layers 14 in a direction perpendicular to the Schugasraum x seen offset from each other, so that there is a substantially diamond-shaped basic pattern with respect to the arrangement of the steam generator tubes 12.
  • the outlet headers 20, of which in FIG. 2 only one is shown positioned so that in each Outlet collector 20 from each pipe layer 14 each opens a steam generator tube 12.
  • each outlet header 20 is integrated with an associated inlet header 24 for the further evaporator continuous heating surface 10 connected downstream of the evaporator throughflow heating surface 8 to form a structural unit 40.
  • FIG. 2 is further removed that the further evaporator fürlaufsammlung configuration 10 forming steam generator tubes 22 also form a number of seen in Walkergasraum x successive pipe layers, the seen in Walkergascardi x first two pipe layers are formed from the riser pipe sections 34 of the steam generator tubes 22, the output side in the outlet header 26 for the vaporized flow medium D open. The next two pipe layers seen in the direction of the heating gas x, on the other hand, are formed from the downpipe pieces 32 of the steam generator pipes 22, which are connected on the input side to a respectively assigned inlet collector 24.
  • FIG. 3 shows in side view fragmentary the mouth region of the steam generator tubes 12, 22 in the respective associated structural unit 40, on the one hand the outlet header 20 for a number of the evaporator fürlaufsammlung description 8 forming steam generator tubes 12 and on the other hand the inlet header 24 for each two of the further evaporator fürlauf carving procedure 10 forming steam generator tubes 22 includes. It is particularly clear from this representation that flow medium W flowing out of the steam generator tubes 12 and entering into the outlet header 20 can flow over directly into the inlet header 24 assigned to the further evaporator throughflow heating surface 10. When overflow of the flow medium W this bounces depending on the operating state, first against a bottom plate 42 of the inlet header 24 comprehensive structural unit 40. As a result of this impact, a turbulence and particularly intimate mixing of the flow medium W, before this from Inlet collector 24 from in the downpipe pieces 32 of the associated steam generator tubes 22 passes.
  • all outlet openings 48 of the inlet collector 24 can be positioned in a common plane perpendicular to the cylinder axis of the structural unit 40 be so that even due to the symmetrical arrangement of the outlet openings 48 in relation to the flow path of the flow medium D, W a uniform distribution of the entering into the steam generator tubes 22 flow medium D, W is guaranteed.
  • FIG. 4 a number of such structural units 40 shown in front view, wherein the in FIG. 2 is based on IV line section. It can be seen that the two in FIG. 4 Structural units 40 shown on the left, which are shown in the region of their end formed as an inlet header 24 for the downstream steam generator tubes 22, in each case via the overflow pieces 46 with the downstream downcomer pieces 32 of the steam generator tubes 22 are connected.
  • FIG. 4 shown on the right structural units 40 each in the region of their outlet collector 20 designed for the steam generator tubes 12 of the evaporator fürlaufsammlung Structure 8 front area. It can be seen from the illustration that the steam generator tubes 12 opening into the structural unit 40 from respectively successive tube layers 14 are guided into the structural unit 40 in a simple angled manner.
  • the steam generator 1 after FIG. 1 and with the special designs according to the FIGS. 2 to 4 is designed for a particularly safe operation of the further evaporator fürlaufsammlung Structure 10.
  • the further evaporator throughflow heating surface 10 is fed using the evaporator throughflow heating surface 8 upstream of it, such that the flow medium flowing into the further evaporator throughflow heating surface 10 W has a vapor content or an enthalpy of more than a predefinable minimum steam content or more than a predeterminable minimum enthalpy.
  • the evaporator fürlaufatty horrin 8 10 are designed or dimensioned such that in all operating points of the vapor content and the enthalpy of the flow medium D, W at entry into the further evaporator passage heating surface 10 above suitably predetermined characteristics lies, as they are exemplified in the FIGS. 5a . 5b are shown.
  • FIGS. 5a . 5b show in the manner of a family of curves with the operating pressure as a crowd parameter, the functional dependence of the at least to be set vapor content X min and the minimum to be set enthalpy H min as a function of the design selected mass flow density ⁇ .
  • the vapor content X min in the flow medium 8 flowing through the flow heating surface 8 is should be at least 25%, preferably about 30%.
  • the heat supply available to these conditions is adapted to these boundary conditions customized.

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
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  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Claims (11)

  1. Générateur ( 1 ) de vapeur dans lequel il est monté dans un canal ( 6 ) pour du gaz chaud pouvant être parcouru dans une direction ( X ) du gaz chaud à peu près horizontale, une surface ( 8 ) de chauffe à passage continu de l'évaporateur, qui comprend un certain nombre de tubes ( 12 ) de générateur de vapeur montés parallèlement au courant de passage d'un milieu ( D, W ) en écoulement et qui est conçue de manière à ce qu'un tube ( 12 ) de générateur de vapeur, plus chauffé qu'un autre tube ( 12 ) du générateur de vapeur de la même surface de chauffe à passage continu, ait par rapport à l'autre tube ( 12 ) du générateur de vapeur un débit plus grand du milieu ( W ) en écoulement, caractérisé en ce qu'un collecteur ( 20 ) de sortie, monté en aval du côté du milieu en écoulement des tubes ( 14 ) du générateur de vapeur de la surface ( 8 ) de chauffe à passage continu de l'évaporateur, est dirigé en ayant son axe longitudinal sensiblement parallèle à la direction ( X ) du gaz chaud.
  2. Générateur ( 1 ) de vapeur suivant la revendication 1, dans lequel le collecteur ( 20 ) respectif de sortie est constitué sensiblement sous la forme d'un corps cylindrique.
  3. Générateur ( 1 ) de vapeur suivant la revendication 1 ou 2, dans la surface ( 8 ) de chauffe à passage continu de l'évaporateur comprend un certain nombre de couches ( 14 ) de tube, disposées les unes derrière les autres, considérées dans la direction ( X ) du gaz chaud, dont chacune est formée d'un certain nombre de tubes ( 12 ) de générateur de vapeur disposés les uns à côté des autres considérés dans la direction ( X ) du gaz chaud.
  4. Générateur ( 1 ) de vapeur suivant la revendication 3, dont la surface ( 8 ) de chauffe à passage continu de l'évaporateur est associé à un nombre, correspondant au nombre des tubes ( 12 ) des générateurs de vapeur dans chaque couche ( 14 ) de tube, de collecteurs ( 20 ) de sortie dirigés par leurs axes longitudinaux sensiblement parallèlement à la direction ( X ) du gaz chaud, respectivement un tube ( 12 ) de générateur de vapeur de chaque couche ( 14 ) de tube débouchant de chaque collecteur ( 20 ) de sortie.
  5. Générateur ( 1 ) de vapeur suivant l'une des revendications 1 à 4, dans lequel une autre surface ( 10 ) de chauffe à passage continu de l'évaporateur et montée en aval du côté du fluide en écoulement de la surface ( 8 ) de chauffe à passage continu de l'évaporateur.
  6. Générateur ( 1 ) de vapeur suivant la revendication 5, dont l'autre surface ( 10 ) de chauffe à passage continu de l'évaporateur comprend un certain nombre de tubes ( 22 ) de générateur de vapeur montés parallèlement au courant de passage d'un milieu ( W ) en écoulement et est conçue de manière à ce qu'un tube ( 22 ) du générateur de vapeur, plus chauffé qu'un autre tube ( 22 ) du générateur de vapeur de l'autre surface ( 10 ) de chauffe à passage continu de l'évaporateur, ait par rapport à l'autre tube ( 22 ) du générateur de vapeur un débit plus grand du milieu ( D, W ) en écoulement.
  7. Générateur ( 1 ) de vapeur suivant la revendication 5 ou 6, dans lequel les tubes ( 22 ) du générateur de vapeur formant l'autre surface ( 10 ) de chauffe à passage continu de l'évaporateur ont respectivement un tronçon ( 32 ) de tube de descente, disposé à peu près verticalement et pouvant être parcouru dans le sens descendant par le milieu ( W ) en écoulement, et un tronçon ( 34 ) de tube montant, monté en aval du côté du milieu en écoulement, disposé à peu près verticalement et pouvant être parcouru dans le sens descendant par le milieu ( W ) en écoulement.
  8. Générateur ( 1 ) de vapeur suivant l'une des revendications 5 à 7, dont l'autre surface ( 8 ) de chauffe à passage continu de l'évaporateur a des dimensions telles qu'en fonctionnement le milieu ( D, W ) en écoulement entrant dans l'autre surface ( 10 ) de chauffe à passage continu, qui est monté en aval d'elle, a une vitesse d'écoulement plus grande que la vitesse minimum nécessaire pour l'entraînement de bulles de vapeur qui y sont présentes.
  9. Générateur ( 1 ) de vapeur suivant l'une des revendications 5 à 8, dans lequel le ou chaque collecteur ( 20 ) de sortie de la surface ( 8 ) de chauffe à passage continu de l'évaporateur est intégré avec un collecteur ( 24 ) d'entrée associé respectivement de l'autre surface ( 10 ) de chauffe à passage continu de l'évaporateur, montée en aval du côté du milieu en écoulement, en une unité ( 40 ) de construction.
  10. Générateur ( 1 ) de vapeur suivant l'une des revendications 5 à 9, dont les collecteurs ( 20 ) de sortie sont ou est disposé au dessus du canal ( 6 ) pour le gaz chaud.
  11. Générateur ( 1 ) de vapeur suivant l'une des revendications 5 à 10, auquel une turbine à gaz est montée en amont du côté du gaz chaud.
EP03794968A 2002-09-10 2003-08-28 Generateur de vapeur construit horizontalement Expired - Fee Related EP1537358B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03794968A EP1537358B1 (fr) 2002-09-10 2003-08-28 Generateur de vapeur construit horizontalement

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02020252 2002-09-10
EP02020252A EP1398565A1 (fr) 2002-09-10 2002-09-10 Générateur de vapeur à construction horizontale
PCT/EP2003/009571 WO2004025177A1 (fr) 2002-09-10 2003-08-28 Generateur de vapeur construit horizontalement
EP03794968A EP1537358B1 (fr) 2002-09-10 2003-08-28 Generateur de vapeur construit horizontalement

Publications (2)

Publication Number Publication Date
EP1537358A1 EP1537358A1 (fr) 2005-06-08
EP1537358B1 true EP1537358B1 (fr) 2012-11-28

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Family Applications (2)

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EP02020252A Withdrawn EP1398565A1 (fr) 2002-09-10 2002-09-10 Générateur de vapeur à construction horizontale
EP03794968A Expired - Fee Related EP1537358B1 (fr) 2002-09-10 2003-08-28 Generateur de vapeur construit horizontalement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02020252A Withdrawn EP1398565A1 (fr) 2002-09-10 2002-09-10 Générateur de vapeur à construction horizontale

Country Status (8)

Country Link
US (1) US7428374B2 (fr)
EP (2) EP1398565A1 (fr)
JP (1) JP4628788B2 (fr)
CN (1) CN1682075B (fr)
AU (1) AU2003264124A1 (fr)
CA (1) CA2498216C (fr)
TW (1) TW200404136A (fr)
WO (1) WO2004025177A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1701090A1 (fr) * 2005-02-16 2006-09-13 Siemens Aktiengesellschaft Générateur de vapeur à construction horizontale
EP2065641A3 (fr) * 2007-11-28 2010-06-09 Siemens Aktiengesellschaft Procédé de fonctionnement d'un générateur de vapeur en flux continu, ainsi que générateur de vapeur en flux à sens unique
US9428702B2 (en) * 2011-07-12 2016-08-30 Gas Technology Institute Agglomerator with ceramic matrix composite obstacles
CN103748414B (zh) 2012-01-17 2016-06-29 阿尔斯通技术有限公司 单程水平蒸发器中的管布置
CN103732989B (zh) 2012-01-17 2016-08-10 阿尔斯通技术有限公司 单程水平蒸发器中的管和挡板布置
DE102014206043B4 (de) * 2014-03-31 2021-08-12 Mtu Friedrichshafen Gmbh Verfahren zum Betreiben eines Systems für einen thermodynamischen Kreisprozess mit einem mehrflutigen Verdampfer, Steuereinrichtung für ein System, System für einen thermodynamischen Kreisprozess mit einem mehrflutigen Verdampfer, und Anordnung einer Brennkraftmaschine und eines Systems
EP4012315A4 (fr) * 2019-08-06 2022-08-03 Mitsubishi Electric Corporation Échangeur de chaleur et appareil à cycle de réfrigération

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US601970A (en) * 1898-04-05 Ors of part to charley ellison
US3442324A (en) * 1967-03-06 1969-05-06 American Mach & Foundry Heat recovery device for turbine gases
US4188916A (en) * 1978-05-15 1980-02-19 Deltak Corporation Waste heat boiler for abstraction of heat energy from gaseous effluent containing corrosive chemical contaminants
DE3441972A1 (de) * 1984-11-16 1986-05-28 Belgorodskij zavod energetičeskogo mašinostroenija imeni 60-letija Sojuza SSR, Belgorod Kessel
CA1254458A (fr) 1984-11-26 1989-05-23 Proizvodstvennoe Obiedinenie Po Proektirovaniju, Naladke, Modernizatsii I Remontu Energeticheskogo Oborudovania "Tsentroenergotsvetmet" Chaudiere
US5199384A (en) * 1988-12-22 1993-04-06 Miura Co., Ltd. Quadrangular type multi-tube once-through boiler
CN2124375U (zh) * 1992-02-03 1992-12-09 河北工学院 造气上、下行煤气废热集中回收器
US5353749A (en) * 1993-10-04 1994-10-11 Zurn Industries, Inc. Boiler design
DE19651678A1 (de) 1996-12-12 1998-06-25 Siemens Ag Dampferzeuger
US6019070A (en) * 1998-12-03 2000-02-01 Duffy; Thomas E. Circuit assembly for once-through steam generators

Also Published As

Publication number Publication date
CA2498216C (fr) 2011-11-15
EP1398565A1 (fr) 2004-03-17
TW200404136A (en) 2004-03-16
JP2005538337A (ja) 2005-12-15
AU2003264124A1 (en) 2004-04-30
JP4628788B2 (ja) 2011-02-09
CN1682075A (zh) 2005-10-12
CA2498216A1 (fr) 2004-03-25
WO2004025177A1 (fr) 2004-03-25
CN1682075B (zh) 2012-09-05
US20050257753A1 (en) 2005-11-24
US7428374B2 (en) 2008-09-23
EP1537358A1 (fr) 2005-06-08

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