WO2012163961A1 - Générateur de vapeur - Google Patents

Générateur de vapeur Download PDF

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Publication number
WO2012163961A1
WO2012163961A1 PCT/EP2012/060127 EP2012060127W WO2012163961A1 WO 2012163961 A1 WO2012163961 A1 WO 2012163961A1 EP 2012060127 W EP2012060127 W EP 2012060127W WO 2012163961 A1 WO2012163961 A1 WO 2012163961A1
Authority
WO
WIPO (PCT)
Prior art keywords
steam
boiler
combustion chamber
generator according
steam generator
Prior art date
Application number
PCT/EP2012/060127
Other languages
German (de)
English (en)
Inventor
Klaus VÖLKERER
Willibald Eidler
Arno Past
Josef Koglbauer
Original Assignee
Voelkerer Klaus
Willibald Eidler
Arno Past
Josef Koglbauer
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 Voelkerer Klaus, Willibald Eidler, Arno Past, Josef Koglbauer filed Critical Voelkerer Klaus
Priority to EP12724986.0A priority Critical patent/EP2715229B1/fr
Priority to SI201230344T priority patent/SI2715229T1/sl
Priority to DK12724986.0T priority patent/DK2715229T3/en
Priority to PL12724986T priority patent/PL2715229T3/pl
Publication of WO2012163961A1 publication Critical patent/WO2012163961A1/fr
Priority to HRP20151149TT priority patent/HRP20151149T1/hr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/34—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers
    • F22B21/341—Vertical radiation boilers with combustion in the lower part
    • 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
    • F22B29/02—Steam boilers of forced-flow type of forced-circulation type
    • F22B29/023—Steam boilers of forced-flow type of forced-circulation type without drums, i.e. without hot water storage in the boiler
    • 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
    • F22B29/062—Construction of tube walls involving vertically-disposed water tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
    • F22B33/02—Combinations of boilers having a single combustion apparatus in common
    • F22B33/10—Combinations of boilers having a single combustion apparatus in common of two or more superposed boilers with separate water volumes and operating with two or more separate water levels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
    • F22D1/04—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G1/00—Steam superheating characterised by heating method
    • F22G1/02—Steam superheating characterised by heating method with heat supply by hot flue gases from the furnace of the steam boiler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
    • F22G3/001—Steam tube arrangements not dependent of location
    • F22G3/002—Steam tube arrangements not dependent of location with helical steam tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
    • F22G7/14—Steam superheaters characterised by location, arrangement, or disposition in water-tube boilers, e.g. between banks of water tubes

Definitions

  • the subject invention relates to a steam generator with a combustion chamber, at least one flue gas duct and a boiler assembly.
  • the risk potential of a steam boiler plant is mainly dependent on the volume of the pressure vessels and the maximum operating pressure, whereby the plants can be classified according to certain characteristics, such as the pressure content product (product of operating pressure times volume) in different hazard classes.
  • Pressure vessels with a low risk potential include overheating s endangered steam boilers or pressure vessels susceptible to overheating, the pressure-content product of which is less than 200 [bar x 1] or, if made of pipes with
  • These include, for example, so-called “fast steam generators”.
  • the subject invention solves this problem by a steam generator of the type mentioned, in which the boiler assembly has a plurality of individual, identically designed steam boilers, which have risers, which are guided through the combustion chamber.
  • the individual steam boilers can thereby be dimensioned relatively small, so that they have only a low risk potential and also meet the corresponding legal safety criteria.
  • the amount of steam that can be generated is not increased by an increase in boiler volume and maximum pressure, but is determined by the number of steam boilers that are operated via the combustion chamber.
  • the steam boilers can be designed as a natural circulation, forced circulation or forced circulation boiler. Forced-circulation boilers may, for example, have helical risers which are guided through the combustion chamber.
  • the steam boiler can each have a pipe construction, which at least the riser, a steam ablas srohr, a downpipe and a leading from this to the riser connecting pipe.
  • a pipe construction which at least the riser, a steam ablas srohr, a downpipe and a leading from this to the riser connecting pipe.
  • Pipe elements can be used. By choosing the preferably standardized tubes, a high compressive strength of the tube construction can be achieved in a simple manner.
  • the steam boilers can have a horizontally arranged evaporator tube at the operating level of the water level.
  • the water surface at which the generated steam can escape from the water significantly increased.
  • the achievable steam quality can be improved.
  • An advantageous embodiment of the invention may provide that the tube axes of a steam boiler are arranged substantially in the same, preferably vertical plane. Due to the flat construction achieved thereby, it is possible to arrange several steam generators in a small space next to each other, so that the space available in the combustion chamber can be optimally utilized.
  • a heat exchanger for feeding water may be arranged in the flue gas duct. This improves the
  • the heat exchanger advantageously comprises tubes whose tube axes are arranged substantially in the same plane as the tube axes of the boiler.
  • This allows an extremely compact construction of steam boiler and heat exchangers, wherein the tubes of the heat exchanger, for example, can be arranged within a frame formed by riser, steam outlet pipe, downpipe and connecting pipe.
  • Several flat juxtaposed heat exchanger of several juxtaposed, flat steam boilers can be arranged in an advantageous manner in the same flue gas duct. Baffles in the flue gas duct can increase the flow path of the flue gas in the heat exchanger and thus improve the heat transfer.
  • each steam boiler may be constructed of tubes up to and including a maximum of DN 32, wherein the pressure-content product (p x V) may be less than 350 [bar x 1].
  • the steam boiler has only a low risk potential and it can comply with the provisions that are prescribed by law for systems with low risk potential. National safety regulations may set different limits in different states. It lies however in the abilities of a
  • Combustion chamber walls may be provided at least one further steam boiler, the riser tubes are arranged in the region of the combustion chamber walls.
  • the risers such Brennraumwand- steam boiler, for example, in the areas where no risers of
  • the former identically constructed steam boiler are provided, like a cage around the
  • Combustion chamber wall be arranged so that the wall is cooled in all areas and the
  • Steam generation is used. This improves the steam yield and energy efficiency of the system while providing cooling of the combustion chamber walls.
  • the steam extraction lines leading away from the respective steam extraction connections of the steam boiler can open in a steam manifold. This is possible because the steam manifold, out of safety considerations, is no longer to count the volume of the steam boiler. Several steam boilers, whose steam is introduced into a common steam manifold, are therefore for the interpretation of the
  • the steam extraction lines leading away from the respective steam extraction connections of the steam boilers may optionally have one
  • Steam jet compressor each opening into a arranged in the combustion chamber superheater pipe. Steam superheating is beneficial, for example, for feeding steam engines or turbines.
  • the steam generator according to the invention can be used advantageously for the operation of a power plant, such as for power generation from biomass or gas, even in relatively small scale.
  • the steam jet compressors can be used to feed multi-stage steam engines, for example a turbine or a multi-stage steam engine
  • Axial piston motor are used, is derived from the engine, relaxed exhaust steam of a stage in the steam jet compressor with the steam supplied by the steam boiler fresh steam to the desired level and in the superheater is brought to the required temperature for the next stage.
  • the individual superheater tubes can advantageously be helically wound in the region of the combustion chamber and arranged in the manner of a cylinder. As a result, the available space in the combustion chamber can be used optimally.
  • Fig. 5 shows a similar-shaped steam boiler in a side view
  • FIG. 6 shows the steam boiler of FIG. 5 in a perspective view
  • Fig. 8 shows a further advantageous embodiment of the fiction, contemporary boiler assembly in which the steam extraction lines open in a vapor manifold
  • Fig. 9 shows the boiler assembly of Fig. 8 with the combustion chamber wall and the flue gas ducts.
  • Fig. 1 to 4 show a first fiction, contemporary embodiment of the steam generator in perspective view (Fig. 1), in two side views ( Figures 2 and 3) and a plan view (Fig. 4). For better visibility of the individual components has been dispensed with a representation of the walls of the combustion chamber and the flue gas duct. The figures thus show primarily the boiler assembly 2 of the invention.
  • the individual components are mounted on a frame 18, wherein the combustion chamber 1 is located in the middle of the substantially symmetrical construction.
  • the combustion chamber 1 is located in the middle of the substantially symmetrical construction.
  • five steam boilers are arranged, wherein for the sake of clarity in Fig. 1, only the steam boilers 3a to 3e of the right side are provided with reference numerals.
  • the illustrated steam boiler 3 is a natural circulation boiler, wherein the
  • Feed water is introduced via a feedwater supply 23 and preheated via a heat exchanger 11, which is located in the flue gas duct 10. Opposite the
  • Feedwater supply 23, a pressure measuring device 19 is arranged to control the operating pressure.
  • the flue gas channel 10 is shown in Fig. 5 only schematically by dashed lines, wherein in the interior of the flue gas duct 10 a plurality of baffles 20 are arranged, which extend the path of the flue gas in the region of the heat exchanger 11.
  • the baffles 20 are arranged obliquely in Fig. 5, but they can also transversely to the tubes of the
  • Heat exchanger 11 run when this is structurally easier to implement.
  • the riser 4 is arranged in the combustion chamber 1 and extends therein vertically along a combustion chamber wall. (A corresponding combustion chamber wall is shown, for example, in the embodiment shown in FIG. 9). However, the riser 4 may also have an oblique or tortuous course, unless this affects the arrangement of the other steam boiler.
  • a vent opening 21 In the upper part of the riser 4 is located in the combustion chamber 1, a vent opening 21 through which the flue gases from the combustion chamber 1 enter the flue gas duct 10.
  • Heat exchanger 11 is located just above this exhaust port 21st
  • the riser pipe 4 branches into a horizontally arranged evaporator tube 9 and a vapor discharge pipe 5 lying parallel above it.
  • the water level 8 is approximately in the middle of the evaporator tube 9, so that the water surface available for evaporation is maximized , This prevents vapor bubbles, which may form further below in the riser pipe 4, from rising up a "water plug” up to the steam extraction port 14, which would affect the quality and dryness of the vapor being removed
  • Safety valve 25 is arranged.
  • the steam outlet pipe 5 opens into a vertical level pipe 28, at the upper end of a level sensor 26 is used, via which the water level can be controlled.
  • a sight glass 27 is arranged for visual inspection on the level pipe 28 in the height of the operating water level 8.
  • the lower end of the fill level pipe 28 opens into a downpipe 6, which extends from the combustion chamber remote end of the evaporator tube 9 down.
  • the water cycle is closed by a connecting pipe 7, which enters the combustion chamber 1 in the lower region and opens into the riser pipe 4.
  • Connecting pipe 7 is further arranged in the lowest area of the boiler, a drain valve 29, via which the system can be emptied.
  • a circulation pump In order to provide a forced circulation instead of a natural circulation, only a circulation pump would have to be additionally installed, for example in the region of the downpipe 6 or the connecting pipe 7. This can be implemented constructively by a person skilled in the art without further ado.
  • a forced circulation boiler would not contain a downpipe 6, but the preheated in the heat exchanger 11 feed water would be fed directly to the riser 4 via a connecting pipe.
  • the riser 4 can be extended by being guided, for example, helically or meandering in the combustion chamber 1. This can be advantageous, above all, for steam generators without preheating or for forced circulation boilers.
  • Steam generators could form a cylindrical shape superimposed in the combustion chamber in the form of a multiple helix, whereby a uniform heating of all riser tubes could be achieved. It is also not mandatory that the riser pipes must be vertical and straight. Rather, for example, meandering pipes or diagonal running through the combustion chamber 1 pipes can be used as risers, as long as this is compatible with the arrangement of the other steam boiler.
  • Substantially rectangular steam boiler 3 has a flat shape. This makes it possible in a simple manner, closely juxtaposed several similar steam boiler, as can be seen for example in Fig. 1, in which on both sides of the combustion chamber five steam boilers 3a-3e are arranged flat side by side.
  • the illustrated embodiment of the steam boiler is constructed exclusively from standardized pipes, for example with a nominal diameter of DN 32 and DN 25, so that within the meaning of the Austrian Pressure Equipment Surveillance Ordinance (DGÜW-V) a steam boiler consisting of such pipes can only be used from a pressure content of more than 350 bar x 1] represents a steam boiler with a high risk potential.
  • DGÜW-V Austrian Pressure Equipment Surveillance Ordinance
  • the combustion chamber wall steam boiler 12 In order to use the remaining side surfaces of the combustion chamber to generate steam and to cool the fireclay panel of the combustion chamber walls, two more steam boilers, the combustion chamber wall steam boiler 12, provided, the riser tubes 13 extend bar-like vertically to the side surfaces of the combustion chamber wall and in addition to the additional steam yield cooling cause the combustion chamber walls.
  • a combustion chamber wall steam boiler 12 is shown removed.
  • Combustor wall steam boiler 12 has a plurality of parallel risers 13 which are secured to the frame 18 and are supplied with feed water via distribution pipes 30.
  • the distribution pipes 30 are in turn fed via a supply pipe 31, on which a feedwater supply 23 and a pressure measuring device 19 are provided.
  • the combustion chamber wall steam boiler 12 has a vertical level pipe 28 with a
  • the sight glass 27 is disposed at the level of the service water level.
  • the riser pipes 13 open into collecting pipes 32, via which the steam is discharged into a steam outlet pipe 5, at which a safety valve 25 and a steam extraction connection 14 are located.
  • the risers 13 form two groups, which are each arranged in a corner of the combustion chamber wall.
  • the first group of rising pipes 13a-13g are each of equal length and extend essentially over the entire height of the combustion chamber wall.
  • Risers 13h-13o of the second group are of different lengths, since at the
  • the combustion chamber wall, the riser ducts 13m to 13o extend between an intermediate tube 35 located above the firing opening, which is connected to the two riser ducts 13k and 131, and one of the upper manifolds 32. Both groups extend on the combustion chamber front and rear walls, respectively Substantially up to half of the combustion chamber, from where the corresponding risers of the opposite
  • Combustor wall steam boiler 12 begin. Thus, essentially the entire
  • Combustion chamber wall used for steam generation.
  • the two riser groups of a combustion chamber wall steam boiler 12 are spaced apart, wherein in the gap between the risers 4 of the five similar trained steam boiler 3 run.
  • On the frame 18 a plurality of receptacles 33 are provided for the risers 4 of the five similarly designed steam boilers 3.
  • the steam generator according to the invention shown in Fig. 1 to 4 is able to supply superheated steam in twelve different pressure levels a consumer.
  • a consumer for example, a multi-stage turbine or a multi-stage Achsialkolbenmotor be driven.
  • Achsialkolbenmotor be driven.
  • each steam jet compressor 16 is fed via a steam extraction line 15 with the steam generated in one of the twelve steam boilers 3, 12, with the steam in each
  • Steam boiler produced steam of substantially the same quality, for example, a pressure of 32 bar and a temperature of about 240 ° C (saturated steam).
  • saturated steam The second input of the steam jet compressor 16 is charged with the relaxed in the subsequent stage steam. This partially expanded steam is then in the
  • Steam jet compressor 16 is treated with the live steam and introduced into a superheater tube 17 in which the steam overheats to, for example, about 420 ° C and the
  • the superheater tubes 17 of the various stages are arranged helically parallel one above the other so that the entirety of the superheater tubes form a cylindrical shape.
  • the illustrated embodiment may generate steam at twelve different pressure levels. However, it is also easily possible to summarize several stages and to produce 16 four different pressure levels, for example, each with three parallel interconnected steam jet compressors. Several steam extraction lines 15 could also be fed together to a steam jet compressor 16. For example, four steam extraction lines could be combined in one of three steam jet compressors to generate three pressure levels. In cases where no different steam levels are needed, the steam jet compressor could be completely dispensed with, the steam of the
  • FIG. 8 shows a further embodiment of the steam generator according to the invention, which does not have a superheater. This embodiment is advantageous for all applications in which superheated saturated steam is not required, for example for steam cleaning or for temperature control in the chemical industry and the food industry (eg in breweries).
  • the individual steam extraction lines 15 of the twelve steam boilers 3, 12 are combined to form a single vapor manifold 36 and fed to the consumer.
  • the other components shown in Fig. 8 correspond to
  • Fig. 9 shows the steam generator of Fig. 8, but in Fig. 9, the combustion chamber walls 37 and the flue gas duct 10 are shown.
  • the combustion chamber walls 37 is a
  • Furnace opening 34 is provided, in which the burner is used.
  • the lateral opening in the flue gas duct 10 is closed by a simple bolted cover.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne un générateur de vapeur comportant une chambre de combustion (1), un conduit de gaz de fumée (10) et un ensemble chaudière (2). L'ensemble chaudière (2) comporte pour la production d'une quantité de vapeur appropriée une pluralité de chaudières à vapeur (3) individuelles de conception identique, lesquelles comportent des tubes montants (4) traversant la chambre de combustion (1). Les chaudières à vapeur (3) peuvent éventuellement être chacune de conception tubulaire, comportant au moins le tube montant (4), un tube d'évacuation de vapeur (5), un tube descendant (6) et un tube de raccordement (7) allant de ce dernier au tube montant (4).
PCT/EP2012/060127 2011-05-30 2012-05-30 Générateur de vapeur WO2012163961A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12724986.0A EP2715229B1 (fr) 2011-05-30 2012-05-30 Générateur de vapeur
SI201230344T SI2715229T1 (sl) 2011-05-30 2012-05-30 Generator pare
DK12724986.0T DK2715229T3 (en) 2011-05-30 2012-05-30 steam Generator
PL12724986T PL2715229T3 (pl) 2011-05-30 2012-05-30 Wytwornica pary
HRP20151149TT HRP20151149T1 (hr) 2011-05-30 2015-10-29 Parni generator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA790/2011 2011-05-30
ATA790/2011A AT511485B1 (de) 2011-05-30 2011-05-30 Dampferzeuger mit einem brennraum, zumindest einem rauchgaskanal und einer kesselbaugruppe

Publications (1)

Publication Number Publication Date
WO2012163961A1 true WO2012163961A1 (fr) 2012-12-06

Family

ID=46201627

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/060127 WO2012163961A1 (fr) 2011-05-30 2012-05-30 Générateur de vapeur

Country Status (8)

Country Link
EP (1) EP2715229B1 (fr)
AT (1) AT511485B1 (fr)
DK (1) DK2715229T3 (fr)
HR (1) HRP20151149T1 (fr)
HU (1) HUE026453T2 (fr)
PL (1) PL2715229T3 (fr)
SI (1) SI2715229T1 (fr)
WO (1) WO2012163961A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT524791B1 (de) * 2021-12-09 2022-09-15 Andritz Tech & Asset Man Gmbh Waermeuebertragerelement und dessen verwendung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499583A (fr) *
FR1120404A (fr) * 1954-05-03 1956-07-05 Siemens Ag Chaudière à haute pression avec surchauffe intermédiaire simple ou multiple par les gaz et fumées
FR2574158A1 (fr) * 1984-11-30 1986-06-06 Mitsubishi Heavy Ind Ltd Chaudiere a rechauffeurs et superchauffeurs
EP0192044A1 (fr) * 1985-02-20 1986-08-27 Mitsubishi Jukogyo Kabushiki Kaisha Chaudière avec évacuation arrière des gaz
JPH01273901A (ja) * 1988-04-26 1989-11-01 Hirakawa Tekkosho:Kk ボイラ
US5005530A (en) * 1990-06-08 1991-04-09 Tsai Frank W Furnace radiant sections with vertical heat exchanger tubing, and convection section

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE465425C (de) * 1926-11-07 1928-09-24 Schmidt Sche Heissdampf Ges M Dampfkessel, insbesondere fuer Kohlenstaubfeuerung, mit mittelbarer Erzeugung des Betriebsdampfs
CH349997A (de) * 1956-06-27 1960-11-15 Rossi Giovanni Dampferzeuger
FI122210B (fi) * 2006-05-18 2011-10-14 Foster Wheeler Energia Oy Kiertopetikattilan keittopintarakenne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499583A (fr) *
FR1120404A (fr) * 1954-05-03 1956-07-05 Siemens Ag Chaudière à haute pression avec surchauffe intermédiaire simple ou multiple par les gaz et fumées
FR2574158A1 (fr) * 1984-11-30 1986-06-06 Mitsubishi Heavy Ind Ltd Chaudiere a rechauffeurs et superchauffeurs
EP0192044A1 (fr) * 1985-02-20 1986-08-27 Mitsubishi Jukogyo Kabushiki Kaisha Chaudière avec évacuation arrière des gaz
JPH01273901A (ja) * 1988-04-26 1989-11-01 Hirakawa Tekkosho:Kk ボイラ
US5005530A (en) * 1990-06-08 1991-04-09 Tsai Frank W Furnace radiant sections with vertical heat exchanger tubing, and convection section

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT524791B1 (de) * 2021-12-09 2022-09-15 Andritz Tech & Asset Man Gmbh Waermeuebertragerelement und dessen verwendung
AT524791A4 (de) * 2021-12-09 2022-09-15 Andritz Tech & Asset Man Gmbh Waermeuebertragerelement und dessen verwendung
WO2023104401A1 (fr) 2021-12-09 2023-06-15 Andritz Technology And Asset Management Gmbh Élément échangeur de chaleur et son utilisation

Also Published As

Publication number Publication date
DK2715229T3 (en) 2015-11-09
HRP20151149T1 (hr) 2015-12-18
EP2715229A1 (fr) 2014-04-09
AT511485A1 (de) 2012-12-15
PL2715229T3 (pl) 2016-04-29
SI2715229T1 (sl) 2015-12-31
AT511485B1 (de) 2013-09-15
HUE026453T2 (en) 2016-05-30
EP2715229B1 (fr) 2015-07-29

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