EP1927809A2 - Dispositif amélioré pour fournir et traiter l'eau d'un lave-vaisselle - Google Patents

Dispositif amélioré pour fournir et traiter l'eau d'un lave-vaisselle Download PDF

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Publication number
EP1927809A2
EP1927809A2 EP07103622A EP07103622A EP1927809A2 EP 1927809 A2 EP1927809 A2 EP 1927809A2 EP 07103622 A EP07103622 A EP 07103622A EP 07103622 A EP07103622 A EP 07103622A EP 1927809 A2 EP1927809 A2 EP 1927809A2
Authority
EP
European Patent Office
Prior art keywords
hollow
pressure housing
heat flow
steam generator
generator according
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.)
Withdrawn
Application number
EP07103622A
Other languages
German (de)
English (en)
Inventor
Christoph Ruchti
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.)
General Electric Technology GmbH
Original Assignee
Alstom Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alstom Technology AG filed Critical Alstom Technology AG
Publication of EP1927809A2 publication Critical patent/EP1927809A2/fr
Withdrawn legal-status Critical Current

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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
    • F22B1/1838—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 the hot gas being under a high pressure, e.g. in chemical installations
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B29/00—Steam boilers of forced-flow type
    • F22B29/06—Steam boilers of forced-flow type of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes
    • F22B29/061—Construction of tube walls
    • F22B29/064—Construction of tube walls involving horizontally- or helically-disposed 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
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/14—Supply mains, e.g. rising mains, down-comers, in connection with water tubes

Definitions

  • the invention relates to a steam generator with a pressure-resistant, enclosing a volume pressure housing in which at least one hermetically sealed relative to the volume hollow conduit extends, each with a pressure housing fluid-tightly penetrating inlet and outlet portion is connected, and at least one opening for feeding a heat flow in the volume and at least one opening for the exit of the at least one hollow conduit in thermal interaction passing heat flow is provided in the pressure housing.
  • Steam generators of the aforementioned type are preferably used for heat coupling in a combined gas-steam turbine arrangement, in which the emerging from the compressor of the gas turbine plant hot air is fed to a steam generator system, where it is cooled so far, so that it can be recycled for cooling purposes in the gas turbine.
  • the steam generator draws the water from the economizers of the waste heat boiler and feeds the steam generated into the superheater of the waste heat boiler, from where they are passed through the steam turbine for expansion.
  • flexible steam generator systems are used, in particular for the purpose of energy generation, of which the so-called once-through coolers (OTC) are referred to in more detail below will be received.
  • OTC once-through coolers
  • OTC systems have high-building, cylinder-shaped pressure housing whose standing height clearly dominates the gas turbine.
  • Such OTC coolers have inside the pressure-resistant, cylinder-shaped pressure housing helically around the cylinder longitudinal axis shaped, water-bearing pipes, which are fixed with only small mutual radial distance spatially with the help of so-called. Perforated support plates.
  • FIG. 2 To illustrate such a cooler arrangement, reference is made to the photographic illustration in FIG. 2, in which a tube bundle arrangement can be seen which can be introduced within a pressure-resistant, cylinder-shaped pressure housing, not shown.
  • the waveguide arrangement shown in the image representation in Figure 2 is arranged for mounting purposes lying and would be erected vertically upright in the normal use case within the pressure housing, not shown.
  • the part shown on the right in the image representation corresponds to the upper area.
  • the photograph in FIG. 2 is the helical multiple arrangement of individual hollow conduits 1 about a common cylinder axis Z, all of which are wound radially around the cylinder axis Z in the illustrated form with a high mutual packing density.
  • For spatial fixation and mutual spacing of the individual hollow tubes 1 are used sectorally about the cylinder axis Z distributed radial support plates 2, which provide a variety matched to the outer diameter of the individual hollow lines Perfor istslöcher through which the hollow wires 1 are hin miczufädeln for assembly purposes. It requires no further explanation that only the assembly of the waveguide arrangement shown in Figure 2 is extremely time-consuming and therefore expensive.
  • the steam generator arrangement shown in FIG. 2 serves for driving a steam turbine and corresponding conversion into electrical energy.
  • the invention is based on the object, a steam generator with a pressure-resistant, enclosing a volume pressure housing in which at least one volume relative to the hermetically sealed hollow conduit extends, which is in each case connected to the pressure housing a fluid-tight protruding inlet and outlet section, and at least one opening for feeding a heat flow into the volume and at least one opening for the exit of the heat flow passing through the at least one hollow conduit in thermal interaction in the pressure housing, in such a way that On the one hand, the production cost over the steam generator principle explained above should be considerably reduced, so that the manufacturing cost can be reduced.
  • a steam generator with the features of the preamble of claim 1 is formed in that the pressure housing is drum-shaped, has a longitudinal axis and a perpendicular to the longitudinal axis measuring diameter.
  • the solution according to the steam generator concept to place the pressure housing lying, so that the longitudinal axis of the pressure housing is horizontally or substantially horizontally aligned and thus the pressure housing has a longitudinal extent which is greater than its diameter.
  • the solution according to the underlying arrangement of the pressure housing causes advantageously a significant reduction in the height of the steam generator, thereby opening up new possibilities of the arrangement of the pressure housing relative to a gas turbine plant.
  • At least one pipe or generally hollow conduit is provided and formed such that at least two, preferably a plurality of predominantly parallel to each other pipe or
  • Waveguide sections are provided which are arranged stacked vertically or vertically offset one above the other and are each connected in pairs at an end region.
  • the preferred goal in providing the at least one hollow conduit within the volume of the pressure housing is to provide the pressure housing as possible space filling with a plurality of densely packed hollow conduits through which the vaporizable fluid required for steam generation, preferably water is passed, as described below is brought into thermal contact for heating and heating within the pressure housing with a heat flow, preferably the emerging from a compressor unit of a gas turbine plant hot air.
  • Each individual hollow pipe which has vertically one above the other and each guided parallel to each other waveguide sections, which are meandering as it were interconnected, has a vertically lower feed point through which, for example, the water is introduced into the hollow conduit, along the meandering or serpentine Course rises vertically upwards to leave the hollow pipe via an outlet opening.
  • the feed opening and the outlet opening are each connected to a supply or discharge section, which projects through the pressure housing fluid-tight, so as to ensure that the fluid to be evaporated can be fed in liquid form from outside the pressure housing in the at least one hollow conduit and that after corresponding heating and heating of the fluid forming along the hollow duct steam from the pressure housing for further technical use can be derived.
  • the discharge section is arranged in the vertical direction over the supply section of the at least one hollow line.
  • at least one opening for feeding in the heat flow is provided in the vertically upper pressure housing area, for example in the form of hot air, which can be removed directly from the air flow at the outlet of the compressor of a gas turbine plant.
  • the heat flow passage through the pressure housing takes place in such a way that the heat flow overflows the hollow conduit sections of the at least one hollow conduit transversely to its extension directed along the longitudinal axis with a flow direction oriented vertically from above. This ensures that the heat flow direction takes place in the opposite direction to the flow direction of the vaporizable fluid within the at least one hollow conduit.
  • a particular aspect of the steam generator designed in accordance with the invention provides for the highest possible packing density of the hollow line sections which are guided parallel to one another, each of which can be assigned to a plurality of individual hollow lines, wherein the entirety of the individual vertical hollow pipe tube stacks arranged as close as possible to each other spatially fill as large a volume as possible of the pressure housing.
  • the heat flow into the pressure housing takes place for the most effective heat transfer on the part of the heat flow to the hollow lines and ultimately to the guided inside the hollow tubes vaporizable fluid such that the heat flow the hollow line arrangement transversely to the extension of the individual hollow sections happens once, which is why the solution according Dampfmaschineeriens the above described OTC concept, d. H.
  • the heat flow passes once through the waveguide assembly and transfers heat to the waveguide assembly during this one-time passage.
  • at least one hollow conduit, d. H. provided with a contoured line surface shape, on the one hand to increase the waveguide surface and on the other hand to improve the heat transfer between the heat flow and hollow conduit.
  • a simple embodiment of the pressure housing provides for providing at least one opening for the outlet of the heat flow brought into thermal contact with the at least one hollow line in the lower pressure housing area, ie at the side of the pressure housing diametrically opposite the inlet opening for the heat flow, so that the heat flow without an inner Deflection within the pressure housing, so to speak unidirectional passes through the volume of the pressure housing.
  • this assumes that lying below the arranged pressure housing a sufficient depth is provided in order to memorizesch consider the emerging from the pressure housing heat flow accordingly.
  • the attachment of the openings for both the entry and for the exit of the respective heat flow in or out of the pressure housing in each case at the upper pressure housing area so that all supply lines or discharges for the transport of the heat flow on the more accessible Top of the otherwise lying pressure housing can be provided. Additionally required depths below the pressure housing can be avoided in this way.
  • the hollow line arrangement to be introduced within the pressure housing which is preferably composed of a multiplicity of individual hollow conduits, can be assembled according to a simple modular principle.
  • each individual hollow line has a plurality of meandering superimposed and interconnected parallel guided waveguide sections, which in turn correspond to a vertical stack and further assume that the hollow line has a round cross-section, so it is possible by side by side add similar trained hollow lines by vertically slightly offset arrangement to add the individual hollow lines with a maximum packing density together.
  • the vertical stack height of the individual waveguide sections per hollow line is directed as it were by an appropriately selected number of juxtaposed bonded hollow pipes according to the spatial absorption capacity of the pressure housing.
  • a fixation of the prefabricated waveguide arrangement within the pressure housing is preferably carried out via permanently provided with the inner wall of the pressure housing fixing rails on which individual hollow line sections are able to partially lie. Ultimately, it only requires the fluid-tight connection of the respective supply and discharge sections with the individual hollow conduits, which ensure a fluid-tight connection of the hollow conduits.
  • FIG. 1 shows a longitudinal cross-section through a cylinder-shaped pressure housing 3, which has a circular cross-section in the exemplary embodiment shown, see also the cross-sectional drawings according to FIGS. 1A and B, which represent cross-sectional images along the sectional planes A and B shown in FIG.
  • the cylinder-shaped pressure housing 3 includes an inner volume 4, in which a consisting of a plurality of individual hollow tubes 1 hollow conductor assembly 5 is introduced.
  • the consisting of a plurality of individual hollow conduit 1 waveguide assembly 5 provides juxtaposed individual hollow conduits 1, which in turn consist of a plurality of vertically stacked waveguide sections 1 ', as is shown very schematically from the subfigure of Figure 1.
  • a hollow pipe 1 is composed of a plurality of individual meandering or serpentine interconnected parallel extending hollow pipe sections 1 ', which are in turn stacked vertically one above the other.
  • each individual hollow conduit 1 is supplied with a vaporizable fluid, preferably water, which, after passing through all the hollow conduit sections 1, exits the hollow conduit 1 via a vertically upper outlet opening 7.
  • all the outlet openings 7 of the hollow conduits 1 open into a common discharge section 9, which is arranged vertically above the supply section 8 as shown in FIG. 1 and, as it were, passes through the delivery housing 3 in a fluid-tight manner to the outside.
  • a support structure 10 which consists of a plurality of disc or web-like receiving means 11.
  • Each individual receiving means 11 has recesses 12 adapted to the outer contour of the respective hollow conductor sections, so that the individual hollow conduits 1 can be inserted into the staggered arrangement predetermined by the recesses 12.
  • the assembly takes place in each case in such a way that hollow lines 1 to be arranged next to each other are sandwiched between two adjacent receiving means 11.
  • the mounting of the individual receiving means 11 existing support structure 10 is provided along the longitudinal section shown in Figure 1 at five spaced locations and fixes the entire waveguide assembly 5 centrally within the volume of the pressure housing 3. About corresponding Connecting means 12, the support structures 11 are connected to the pressure housing 3.
  • a heat flow-conducting means 14 adjoins the heat flow for further guidance of the heat flow, through which the heat flow selectively traverses the spatial region of the waveguide arrangement vertically from top to bottom.
  • FIGS. 1 to 1 B The design of a steam generator shown in FIGS. 1 to 1 B is a particularly preferred embodiment, which enables heat flow or removal respectively at the top side of the pressure housing 3, so that a compact installation form is created for the steam generator.
  • the steam generator according to the invention has a pressure housing longitudinal extent of 5 to 10 m and a pressure housing diameter of about 2 to 3 m.
  • the advantage of a horizontal arrangement is in view of the geometric size dimensions obvious, especially since the predetermined by the diameter height typical sizes of gas turbine systems do not exceed and thus allows a compact and safe safe installation close to the gas turbine plant.
  • FIG. 3 shows a schematic cross section through a pressure housing 3, in which, unlike the embodiment according to FIG. 1, in which the waveguide sections 1 'of the individual hollow line 1 run parallel to the longitudinal axis, the waveguide sections 1' are transverse, ie perpendicular but horizontal to the longitudinal axis.
  • a front first hollow pipe 1, according to the stroke line is supplied with fluid via a lower feed opening 6 in the cross-sectional view according to FIG.
  • a further hollow conduit arranged in the longitudinal direction behind it is supplied with water via the supply conduit opening 6 'which, after appropriate passage through all the hollow conduit sections 1', exits via the outlet opening 7 '.
  • the entire waveguide arrangement can thus by a plurality of longitudinally arranged one behind the other, each offset from each other arranged individual hollow conduits are assembled, wherein the supply and discharge lines for each vaporizable fluid along the in the cross-sectional view of Figure 3 indicated manner is to make.
  • the waveguide assembly 1 is characterized by two parallel to the longitudinal axis A extending Hohl effetsabitese1 'penetrated by a vaporizable fluid, wherein the flow direction of the fluid through the hollow conduits 1 from bottom to top, d. H. opposite to the vertically downwardly oriented flow direction of the heat flow takes place.
  • support rails 16 For attachment and attachment of the individual hollow conduits 1 within the pressure housing 3, so-called support rails 16, which are laterally connected to the inner wall of the pressure housing 3, are shown schematically in the cross-sectional view according to FIG.
EP07103622A 2006-03-31 2007-03-06 Dispositif amélioré pour fournir et traiter l'eau d'un lave-vaisselle Withdrawn EP1927809A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006015094 2006-03-31

Publications (1)

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EP1927809A2 true EP1927809A2 (fr) 2008-06-04

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EP07103622A Withdrawn EP1927809A2 (fr) 2006-03-31 2007-03-06 Dispositif amélioré pour fournir et traiter l'eau d'un lave-vaisselle

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US (1) US7958853B2 (fr)
EP (1) EP1927809A2 (fr)
JP (1) JP2007271259A (fr)
CN (1) CN101046289B (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
RU2570992C1 (ru) * 2014-12-12 2015-12-20 Открытое акционерное общество "Ордена Трудового Красного Знамени и ордена труда ЧССР опытное конструкторское бюро "ГИДРОПРЕСС" (ОАО ОКБ "ГИДРОПРЕСС") Горизонтальный парогенератор атомной электростанции и способ его сборки

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US20120210997A1 (en) * 2011-02-17 2012-08-23 Mcnulty Peter Drummond Method and device for generating steam and low oxygen gas
JP5777370B2 (ja) * 2011-03-30 2015-09-09 三菱重工業株式会社 リボイラ
CN103353103B (zh) * 2013-07-28 2015-04-29 黄华杰 一种多功能尾气余热高效蒸汽发生器
DE102013215456A1 (de) * 2013-08-06 2015-02-12 Siemens Aktiengesellschaft Durchlaufdampferzeuger
CN110822978B (zh) * 2019-11-21 2020-12-08 无锡西塘核设备有限公司 热媒蒸发器罐体及其生产工艺

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Also Published As

Publication number Publication date
CN101046289B (zh) 2010-11-10
JP2007271259A (ja) 2007-10-18
CN101046289A (zh) 2007-10-03
US20070227469A1 (en) 2007-10-04
US7958853B2 (en) 2011-06-14

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