EP1111198A2 - Méthode de rééquipement d'un système de production de vapeur saturée avec au moins un groupe turbo à vapeur et centrale à vapeur ainsi rééquipée - Google Patents

Méthode de rééquipement d'un système de production de vapeur saturée avec au moins un groupe turbo à vapeur et centrale à vapeur ainsi rééquipée Download PDF

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Publication number
EP1111198A2
EP1111198A2 EP00127255A EP00127255A EP1111198A2 EP 1111198 A2 EP1111198 A2 EP 1111198A2 EP 00127255 A EP00127255 A EP 00127255A EP 00127255 A EP00127255 A EP 00127255A EP 1111198 A2 EP1111198 A2 EP 1111198A2
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EP
European Patent Office
Prior art keywords
steam
turbine
waste heat
steam turbine
reheater
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Withdrawn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
EP00127255A
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German (de)
English (en)
Other versions
EP1111198A3 (fr
Inventor
Erhard Liebig
Henrik Nielsen
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General Electric Technology GmbH
Original Assignee
Alstom Schweiz AG
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Filing date
Publication date
Application filed by Alstom Schweiz AG filed Critical Alstom Schweiz AG
Publication of EP1111198A2 publication Critical patent/EP1111198A2/fr
Publication of EP1111198A3 publication Critical patent/EP1111198A3/fr
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making

Definitions

  • the present invention relates to a method to convert a saturated steam generating system with at least one steam turbine group in one to high Power plant designed for live steam parameters. It affects a power plant converted using this method.
  • One way to continue using the conventional part of the system consists of converting the Nuclear power plant in a combined cycle power plant.
  • the invention is therefore based on the object a method for converting a saturated steam generating Systems with at least one steam turbine group, the has a saturated steam medium pressure turbine, according to which as much as possible of the original Plant technology can continue to be used.
  • the invention finds particular application when retrofitting nuclear power plants, their nuclear Plant part decommissioned and subsequently dismantled must become.
  • this is done in a first Execution of the process achieved by the saturated steam generating system by at least one gas turbine set, at least one waste heat boiler and at least one pre-steam turbine is replaced, the exhaust gas of at least a gas turbine of the at least one gas turbine set Steam generation used in at least one waste heat boiler is generated in at least one waste heat boiler Steam through a live steam line of at least one Ballast steam turbine is supplied and the exhaust steam at least one pre-steam turbine to supply the at least one steam turbine group, preferably one Saturated medium pressure steam turbine of the steam turbine group provided becomes.
  • the evaporation states of the least a pre-steam turbine correspond to a preferred one Execution essentially the previous one Steam parameters at the entrance of the existing steam turbine group. The entire steam turbine group remains with this first version received in its previous form.
  • a second embodiment of the process be the design of at least one waste heat boiler and the at least one pilot steam turbine in such a way changes that the steam parameters change between and saturated steam turbine in the for the saturated steam medium pressure turbine permissible ranges to higher temperatures and lower pressures like this move that the expansion endpoint at the exit of the Saturated medium pressure steam turbine to lower steam moisture, if possible in the overheated area migrates so that the separator, if possible also the Reheater between saturated steam pressure and Low-pressure steam turbine is not required.
  • the saturated steam medium pressure turbine each steam turbine group by at least one for New medium-pressure steam turbine designed with higher steam parameters is replaced, the evaporation of at least one Ballast steam turbine to supply the reheater of the at least one waste heat boiler provided this steam is reheated and the reheated Steam to supply the at least one new medium pressure steam turbine is provided.
  • the new medium pressure steam turbine is designed that the parameters of their evaporation are at least approximately equal to the steam parameters at the inlet of the low pressure steam turbine the original steam turbine group are, so that the separator, if possible Reheater between the new medium pressure steam turbine and the low pressure steam turbine are eliminated.
  • a saturated steam generating system and at least one Steam turbine group with a saturated steam medium pressure turbine, a separator, one working with saturated steam Reheater and a low pressure steam turbine containing Power plant is characterized by at least a gas turbine set, at least one waste heat boiler and at least one pilot steam turbine to replace the original one Saturated steam generating system and through the at least partially retained at least one steam turbine group of the original power plant.
  • At least one is used to carry out the method Waste heat boiler and the at least one pre-steam turbine designed so that the steam parameters between Ballast steam turbine and saturated steam medium pressure steam turbine in the for the saturated steam medium pressure turbine allowable ranges high temperature and low Pressure that the expansion end point is on Exit of the saturated steam medium pressure turbine in one Vapor moisture range lower than the original Power plant located.
  • This allows the separator of the original Power station are eliminated.
  • Another version provides such parameter ranges that the expansion end point at the outlet of the saturated steam medium pressure turbine in an area of superheated steam is located, so that the superheater is also eliminated can.
  • a third training to implement the plant is characterized by at least a gas turbine set, at least one waste heat boiler Reheater, at least one pre-steam turbine and at least one medium pressure steam turbine as a replacement of the original saturated steam generating system and the Saturated steam turbine, the steam parameters set at the outlet of the reheater are that at least one in the converted power plant Steam turbine group with one of the parameters at the outlet of the Intermediate superheater adapted new medium pressure steam turbine and without separator and without reheater is maintained.
  • the advantages of the invention are essential to see that in particular a nuclear power plant while preserving the conventional as much as possible Plant technology to a combined cycle power plant with the lowest Investments will be remodeled and a power plant will be preserved can, whose performance and efficiency are higher, than that of the original nuclear power plant.
  • Figure 1 shows an example of a saturated steam generating system with at least one steam turbine group schematically the water / steam cycle of a nuclear power plant.
  • saturated steam is generated, which in an essential Part through the steam line 3 of the saturated steam medium pressure turbine 4 of the steam turbine group 2 is supplied.
  • the part of the saturated steam generated is the reheater 7 fed.
  • the steam turbine group 2 has a saturated steam medium pressure turbine 4 on.
  • the exhaust steam of this saturated steam medium pressure turbine 4 flows over an overflow line 5, a separator (moisture separator) 6 and a reheater 7 to the low pressure steam turbine 8.
  • the reheater 7 is steam from the nuclear steam generation system 1 supplied via the branch steam line 9.
  • the saturated steam medium pressure turbine 4 and the Low-pressure steam turbine 8 drive the generator via a shaft 10 on.
  • the condensate from the separator 6 and the Intermediate superheater 7 is conducted for energy reasons the preheater associated with the corresponding vapor pressure or the next lower pressure level. That means in In the present case, that which occurs in the reheater 7 Steam condensate via the condensate line 51 last lying before the nuclear steam generating system 1 High pressure preheater 25 (HP preheater) and the condensate from the separator 6 via the condensate line 50 in front of the feed water tank / degasser 21 low pressure preheater 17 (LP preheater).
  • HP preheater High pressure preheater 25
  • LP preheater low pressure preheater
  • the evaporation of the low pressure steam turbine 8 flows along with the steam line 38 to the condenser 11 the Hotwell 12.
  • the condensate is removed from the Hotwell 12 by means of the Condensate pump 13 through the condensate line 14 to the ND preheaters 15, 16, 17 promoted.
  • the LP preheaters 15, 16, 17 are by means of the bleed steam lines 18, 19, 20 supplied with steam from the low-pressure steam turbine 8.
  • LP preheaters are to be regarded as an example to explain the system. As is known, preheating can be done in a steam power plant executed in many different variants become.
  • the LP preheater 17 follows in the direction of Feed water of the feed water tank / degasser 21. From this is the feed water through the high pressure feed water pump 22 promoted to the HD preheaters 23, 24, 25. The corresponding, from the saturated steam medium pressure turbine 4 from bleed steam lines to the feed water tank / degasser 21 and to the HD preheaters 23, 24, 25 are designated by the reference numbers 26, 27, 28, 44.
  • the HD preheaters can also count and arrangement in a wide variety of variants be carried out.
  • the feed water flows from the last HD preheater 25 finally via the feed water line 55 to nuclear steam generation system 1.
  • the bleed steam condensate is shown in FIG the preheater cascades into the feed water tank / degasser 21 or the Hotwell 12 derived.
  • the bleed steam condensate is shown in FIG the preheater cascades into the feed water tank / degasser 21 or the Hotwell 12 derived.
  • the feed water tank / degasser 21 or the Hotwell 12 derived Of course are the most diverse in this area Circuit variants possible.
  • the design of the preheating column i.e. the art condensate drainage and the presence of desuperheaters and aftercoolers, is regarding the present Invention not relevant.
  • this part is in a first Variant with at least one gas turbine set 29, 30, 31, 36, at least one waste heat boiler 32 and at least a pre-steam turbine 37 is replaced, as in FIG. 2 is shown in simplified form.
  • the gas turbine set 29, 30, 31, 36 contains one Compressor 29, a combustion chamber 30, a gas turbine 31 and a generator 36.
  • the exhaust gas from the gas turbine 31 becomes used in the waste heat boiler 32 for the purpose of steam generation.
  • the steam coming from the waste heat boiler 32 becomes the Pre-steam turbine 37 via the live steam line 43 fed.
  • the exhaust steam of the pre-steam turbine 37 is via the steam line 39 of the existing steam turbine group 2 supplied with separator 6 and reheater 7.
  • the generator 36 of the gas turbine set 29, 30, 31, 36 is with the pre-steam turbine 37 via a Coupled connected so that a single shaft system 35 is formed becomes.
  • Line 41 marks the interface to the water / steam cycle, to which the various Condensate or steam lines and from which the Feed water line 42 comes back to the waste heat boiler 32.
  • the at least one retrofitted waste heat boiler 32 could correspond to the steam parameters to be provided for example through the existing high pressure feed water pump 22 from the feed water tank / degasser 21 or a separate feed water pump from Hotwell 12 the condenser 11 or from the feed water tank / Degasser 21 can be supplied with feed water.
  • preheating of the feed water of the waste heat boiler in the lower temperature range in the waste heat boiler or by steam heated by tap steam Preheater depends on the ones used concrete systems, the condensate temperature, the Fuel of the gas turbine, the overall thermodynamic concept, the chemical driving style and the like.
  • the one is upgraded Series steam turbine 37 with the gas turbine system 29, 30, 31 and the generator 36 arranged on a shaft.
  • This concept is therefore also called Single shaft system 35.
  • the advantage of this single shaft system 35 consists in saving a separate generator for the pre-steam turbine 37 and in the operational Advantages of a clear assignment of gas turbo sets 29, 30, 31, 36, waste heat boiler 32 and pre-steam turbine 37.
  • a single shaft system 35 can at least a pre-steam turbine as a matter of course separate steam turbine set with its own generator become. This concept is called a multi-shaft system.
  • Figure 3 is the nuclear steam generation system 1 corresponding to the first variant according to FIG 2 in turn by at least one gas turbine set 29, 30, 31, 36, consisting of compressor 29, combustion chamber 30, gas turbine 31 and generator 36, at least one waste heat boiler 32 and at least one pilot steam turbine set 37, 48 replaced.
  • Gas turbine kit 29, 30, 31, 36 and pre-steam turbine kit However, 37, 48 form in this embodiment a multi-shaft system.
  • the line 41 is analogous to FIG Interface to the water / steam cycle marked.
  • waste heat boiler 32 and pre-steam turbine 37 changed so that the steam parameters between Ballast steam turbine 37 and saturated steam medium pressure turbine 4 in for the saturated steam medium pressure turbine 4 permissible ranges for higher temperatures and lower ones Push so that the expansion end point at the outlet of the saturated steam medium pressure turbine 4 to lower steam moisture levels in the overheated area.
  • the separator 6 omitted and the intermediate superheater working with steam 7 between saturated steam medium pressure turbine 4 and low pressure steam turbine 8 may be relieved or also eliminated under favorable conditions.
  • Line 41 is the interface to Water / steam cycle marked.
  • the waste heat boiler has 32 in addition to the steam supply Steam generation system via an additional reheater 33.
  • the exhaust steam of the pre-steam turbine 37 is via the steam line 39 to the reheater 33 of Waste heat boiler 32 supplied.
  • the steam for the (new) medium pressure steam turbine 49 is reheated in the waste heat boiler 32 the pre-steam turbine 37, which by the hot reheater steam line 40 of the (new) medium-pressure steam turbine 49 is supplied.
  • the (new) medium pressure steam turbine 49 is designed such that the Parameters of their evaporation the parameters at the entrance of the Low pressure steam turbine 8 correspond.
  • Line 41 marks the interface to the water / steam cycle.
  • FIGS. 2-5 there is only one gas turbine set, a waste heat boiler and a pre-steam turbine shown.
  • the possibility of having multiple Units is through the framing of gas turboset, Waste heat boiler and pre-steam turbine indicated.
  • Figures 6-21 show different circuitry Possibilities (versions) of a converted Power plant that contains several gas turbine sets. Three gas turbine sets are shown as examples.
  • Figure 6 shows an embodiment of the variant according to Figures 2 and 4.
  • They are for example three gas turbine sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 “, 36” with their assigned waste heat boilers 32, 32 ', 32 "available.
  • the gas turbine sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 “, 36” are with the pre-steam turbines 37, 37 ', 37 "as single-shaft systems 35, 35 ', 35 ".
  • the one in the waste heat boilers 32, 32 ', 32 "generated steam is via the live steam lines 43, 43 ', 43 "three pilot steam turbines 37, 37', 37 ".
  • the pilot steam turbines 37, 37 ', 37” are on the steam side via the steam lines 39, 39 ', 39 "with a medium pressure steam busbar 45 in connection. This medium pressure steam bus bar 45 runs to Steam turbine group 2.
  • FIG. 7 shows an embodiment according to FIG 6.
  • the gas turbine sets 29, 30, 31, 36; 29 ', 30', 31 ', 36 '; 29 “, 30", 31 ", 36” are with the ballast steam turbines 37.37 ', 37 "as single-shaft systems 35.35', 35".
  • the in the waste heat boilers 32, 32 ', 32 "generated steam is via the live steam lines 43, 43 ', 43 "three pilot steam turbines 37, 37 ', 37 ".
  • FIG. 9 shows an embodiment according to FIG 8.
  • the in the waste heat boilers 32, 32 ', 32 "generated steam is via the live steam lines 43, 43 ', 43 "three pilot steam turbines 37, 37 ', 37 ".
  • the pre-steam turbines 37, 37 ', 37 are on the steam side via the steam lines 39, 39 ', 39 "with a medium-pressure steam busbar 45 in connection.
  • this medium pressure steam busbar runs 45 to several steam turbine groups 2, 2 ', ....
  • FIG. 10 again shows an embodiment according to Figure 3.
  • the multi-shaft systems with the example three gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding waste heat boilers 32, 32 ', 32 "is present.
  • the one generated in the waste heat boilers 32, 32 ', 32 " Steam is supplied via the live steam lines 43, 43 ', 43 "of a high-pressure steam bus bar 47. This runs to the single pre-steam turbine 37
  • Pre-steam turbine 37 is on the exhaust side via the exhaust line 39 in connection with the steam turbine group 2.
  • FIG. 11 shows an embodiment according to FIG. 10.
  • the multi-shaft systems with, for example three gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding waste heat boilers 32, 32 ', 32 "available.
  • this version only a single ballast steam turbine set 37, 48 with the Ballast steam turbine 37 and the generator 48 available.
  • the steam generated in the waste heat boilers 32, 32 ', 32 " becomes one via the live steam lines 43, 43 ', 43 " High-pressure steam bus bar 47 supplied.
  • This runs to the single pre-steam turbine 37.
  • the pre-steam turbine 37 is on the steam side via the steam line 39 but with the several steam turbine groups 2, 2 ', ... in connection.
  • FIG. 12 again shows an embodiment according to Figure 3.
  • the multi-shaft systems with the example three gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding waste heat boilers 32, 32 ', 32 "are present.
  • this Version two pre-steam turbine sets 37, 48; 37 ', 48 'with the pre-steam turbines 37.37' and the generators 48.48 'present.
  • the in the waste heat boiler 32, 32 ', 32 "generated steam is via the live steam lines 43, 43 ', 43 "of a high-pressure steam bus bar 47. This runs to the two pilot steam turbines 37, 37 '.
  • the pilot steam turbines 37, 37 ' are on the exhaust side via the steam lines 39, 39 'and the medium pressure steam busbar 45 with the steam turbine group 2 in Connection.
  • FIG. 13 shows an embodiment according to FIG. 12.
  • the multi-shaft systems with, for example three gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding waste heat boilers 32, 32 ', 32 "are available.
  • the one generated in the waste heat boilers 32, 32 ', 32 " Steam is supplied via the live steam lines 43, 43 ', 43 "of a high-pressure steam bus bar 47. This runs to the two pilot steam turbines 37, 37 '.
  • FIG. 14 shows an embodiment of the variant according to FIG. 5.
  • the waste heat boilers 32, 32', 32" point Reheater 33, 33 ', 33 "on.
  • the gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” are with the pre-steam turbines 37, 37 ', 37 "as single-shaft systems 35, 35 ', 35 ".
  • the one in the waste heat boilers 32, 32 ', 32 "steam is generated via the Live steam lines 43, 43 ', 43 "three ballast steam turbines 37, 37 ', 37 “supplied.
  • the reheated Steam is emitted by the waste heat boilers 32, 32 ', 32 "via the hot reheater lines 40, 40 ', 40 "of a hot reheater steam busbar 34 fed. This hot reheater steam busbar 34 runs to the newly installed medium-pressure steam turbine 49 of the steam turbine group 2.
  • FIG. 15 shows an embodiment according to FIG 14.
  • the three gas turbine sets 29, for example, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” with the waste heat boilers 32, 32 ', 32 "assigned to them are present.
  • the gas turbine sets 29, 30, 31, 36; 29', 30 ', 31', 36 '; 29 “, 30", 31 ", 36” are with the ballast steam turbines 37, 37 ', 37 "as single-shaft systems 35, 35', 35 ".
  • the in the waste heat boilers 32, 32 ', 32" generated steam is via the live steam lines 43, 43 ', 43 "three ballast steam turbines 37, 37', 37" supplied.
  • the reheated steam is from the waste heat boilers 32, 32 ', 32 "over the hot Interheater lines 40, 40 ', 40 "one hot Intermediate superheater steam busbar 34 supplied. However runs the hot reheater steam busbar 34 to the several new medium-pressure steam turbines 49, 49 ' the steam turbine groups 2, 2 '.
  • the embodiment according to Figure 16 also built on the variant of Figure 5 shows multi-shaft systems.
  • the waste heat boilers 32, 32', 32" point Reheater 33, 33 ', 33 "on.
  • the pre-steam turbines 37, 37 ', 37 "of the gas turbine sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” separately and each coupled to its own generator 48, 48 ', 48 ".
  • the reheated Steam is emitted by the waste heat boilers 32, 32 ', 32 "over the hot reheater lines 40.40 ', 40 "of a hot reheater steam busbar 34 fed. This hot reheater steam busbar 34 runs to the newly installed medium-pressure steam turbine 49 of the steam turbine group 2.
  • FIG. 17 shows an embodiment according to FIG 16.
  • the multi-shaft systems with the example three gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36 '; 29 “, 30", 31 ", 36” with their assigned waste heat boilers 32, 32 ', 32 "are present.
  • the waste heat boilers 32, 32 ', 32 have reheaters 33, 33', 33".
  • the Ballast steam turbines 37, 37 ', 37 are from the gas turbine sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” separately and each with its own generator 48, 48 ', 48 "coupled.
  • Analogous to the embodiment according to FIG 14 is generated in the waste heat boilers 32, 32 ', 32 " Steam through the live steam lines 43, 43 ', 43 "three Ballast steam turbines 37, 37 ', 37 “supplied.
  • the reheated steam is from the Heat boilers 32, 32 ', 32 "via the hot reheater lines 40, 40 ', 40 "of a hot reheater steam busbar 34 fed. However runs this hot reheater steam busbar 34 to the several newly installed medium pressure steam turbines 49, 49 'of the steam turbine groups 2, 2'.
  • FIG. 18 again shows an embodiment of the Variant according to Figure 5.
  • the multi-shaft systems with, for example, three gas turbine sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding Heat recovery boilers 32, 32 ', 32 "are available Waste heat boilers 32, 32 ', 32 "have reheaters 33, 33 ', 33 ".
  • the Steam generated in the waste heat boilers 32, 32 ', 32 " is transferred via the live steam lines 43, 43 ', 43 "of a high-pressure steam busbar 47 fed.
  • FIG. 19 shows an embodiment according to FIG. 18.
  • the multi-shaft systems with, for example three gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding waste heat boilers 32, 32 ', 32 "available.
  • the waste heat boilers 32, 32', 32" have reheaters 33, 33 ', 33 ".
  • the one in the waste heat boilers 32, 32 ', 32 "generated steam is via the live steam lines 43, 43 ', 43 "of a high-pressure steam bus bar 47. This runs to a single pilot steam turbine 37 with generator 48.
  • the pre-steam turbine is on the exhaust steam side 37 via the medium pressure steam busbar 45 and the cold reheater lines 56, 56 ', 56 "with the reheaters 33, 33', 33" of the waste heat boiler 32, 32 ', 32 "in connection.
  • the reheated Steam is emitted by the waste heat boilers 32, 32 ', 32 " over the hot reheater lines 40, 40 ', 40 " a hot reheater steam bus 34 fed.
  • This hot reheater steam busbar 34 runs to the several newly installed medium pressure steam turbines 49, 49 'of the steam turbine groups 2, 2'.
  • FIG. 20 again shows an embodiment of the Variant according to Figure 5.
  • the multi-shaft systems with, for example, three gas turbine sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding Heat recovery boilers 32, 32 ', 32 "are available Waste heat boilers 32, 32 ', 32 "have reheaters 33, 33 ', 33 ".
  • the one generated in the waste heat boilers 32, 32 ', 32 " Steam is supplied via the live steam lines 43, 43 ', 43 " a high-pressure steam bus bar 47 supplied.
  • FIG. 21 shows an embodiment according to FIG. 20.
  • the multi-shaft systems with, for example three gas turbo sets 29, 30, 31, 36; 29 ', 30', 31 ', 36'; 29 “, 30", 31 ", 36” and the corresponding waste heat boilers 32, 32 ', 32 "available.
  • the waste heat boilers 32, 32', 32" have reheaters 33, 33 ', 33 ".
  • the one in the waste heat boilers 32, 32 ', 32 "steam is generated via the Live steam lines 43, 43 ', 43 "of a high-pressure steam busbar 47 fed.
  • pilot steam turbines can also be used be available with generator.
  • a converted power plant could have four gas turbine sets with four waste heat boilers, each two waste heat boilers on the exhaust side with a busbar are connected, so that 'four gas turbo sets with two Ballast steam turbines combined with one generator each are. This arrangement could be chosen, for example when the converted power plant has two steam turbine groups having.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
EP00127255A 1999-12-23 2000-12-18 Méthode de rééquipement d'un système de production de vapeur saturée avec au moins un groupe turbo à vapeur et centrale à vapeur ainsi rééquipée Withdrawn EP1111198A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19962403 1999-12-23
DE19962403A DE19962403A1 (de) 1999-12-23 1999-12-23 Verfahren zum Umrüsten eines Sattdampf erzeugenden Systems mit mindestens einer Dampfturbogruppe sowie nach dem Verfahren umgerüstetes Kraftwerk

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EP1111198A2 true EP1111198A2 (fr) 2001-06-27
EP1111198A3 EP1111198A3 (fr) 2003-05-21

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US (2) US6460325B2 (fr)
EP (1) EP1111198A3 (fr)
CN (1) CN1300901A (fr)
DE (1) DE19962403A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50214301D1 (de) 2001-04-09 2010-05-06 Alstom Technology Ltd Dampfkraftwerk mit nachrüstsatz und verfahren zum nachrüsten eines dampfkraftwerks
JP2003116253A (ja) 2001-07-19 2003-04-18 Toshiba Corp タービン発電機設備およびその設置方法
CA2430088A1 (fr) 2003-05-23 2004-11-23 Acs Engineering Technologies Inc. Methode et appareil de production de vapeur
US8424281B2 (en) * 2007-08-29 2013-04-23 General Electric Company Method and apparatus for facilitating cooling of a steam turbine component
US7707818B2 (en) * 2008-02-11 2010-05-04 General Electric Company Exhaust stacks and power generation systems for increasing gas turbine power output
DE102011108711A1 (de) 2011-07-28 2013-01-31 Babcock Borsig Steinmüller Gmbh Umrüstung eines Kernkraftwerks
DE102012001091B4 (de) * 2012-01-20 2014-10-30 Balcke-Dürr GmbH Vorrichtung und Verfahren zum Zwischenüberhitzen von Turbinendampf
CN106050419B (zh) 2016-06-23 2018-08-14 章礼道 燃气轮机压水堆蒸汽轮机联合循环系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997018386A1 (fr) * 1995-11-14 1997-05-22 Westinghouse Electric Corporation Systeme et procede de realimentation par turbine a combustion de turbines existantes a vapeur faiblement surchauffee
US5660037A (en) * 1995-06-27 1997-08-26 Siemens Power Corporation Method for conversion of a reheat steam turbine power plant to a non-reheat combined cycle power plant

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6021569A (en) * 1997-04-30 2000-02-08 Siemens Westinghouse Power Corporation Retrofitting coal-fired power generation systems with hydrogen combustors
US6237337B1 (en) * 1998-09-10 2001-05-29 Ormat Industries Ltd. Retrofit equipment for reducing the consumption of fossil fuel by a power plant using solar insolation
DE19962386A1 (de) * 1999-12-23 2001-06-28 Alstom Power Schweiz Ag Baden Verfahren zum Nachrüsten eines Sattdampf erzeugenden Systems mit mindestens einer Dampfturbogruppe sowie nach dem Verfahren nachgerüstete Dampfkraftanlage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660037A (en) * 1995-06-27 1997-08-26 Siemens Power Corporation Method for conversion of a reheat steam turbine power plant to a non-reheat combined cycle power plant
WO1997018386A1 (fr) * 1995-11-14 1997-05-22 Westinghouse Electric Corporation Systeme et procede de realimentation par turbine a combustion de turbines existantes a vapeur faiblement surchauffee

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US6460325B2 (en) 2002-10-08
EP1111198A3 (fr) 2003-05-21
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US20030000220A1 (en) 2003-01-02
US20010032455A1 (en) 2001-10-25
DE19962403A1 (de) 2001-06-28

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