US3799253A - Condensation system for low pressure gaseous media, such as exhaust steam of steam power plants - Google Patents

Condensation system for low pressure gaseous media, such as exhaust steam of steam power plants Download PDF

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Publication number
US3799253A
US3799253A US00226071A US22607172A US3799253A US 3799253 A US3799253 A US 3799253A US 00226071 A US00226071 A US 00226071A US 22607172 A US22607172 A US 22607172A US 3799253 A US3799253 A US 3799253A
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US
United States
Prior art keywords
collecting chamber
condensation system
steam
columns
turbine
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 - Lifetime
Application number
US00226071A
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English (en)
Inventor
F Kelp
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.)
Kraftwerk Union AG
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Kraftwerk Union AG
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Filing date
Publication date
Application filed by Kraftwerk Union AG filed Critical Kraftwerk Union AG
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
    • 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
    • F01K13/00—General layout or general methods of operation of complete plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • F28B9/02—Auxiliary systems, arrangements, or devices for feeding steam or vapour to condensers
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/184—Indirect-contact condenser
    • Y10S165/202—Vapor flow passage between vapor inlet and outlet has decreasing cross- sectional area
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/90—Cooling towers

Definitions

  • the invention relates to a condensation system for exhaust steam of steam power plants, as well as for condensing other gaseous media of low pressure in chemical and industrial installations. [t is an object of the invention to assure a highly uniform steam supply from the exhaust steam outlet of a steam engine to a multiplicity of cooling elements of a preferably air-cooled condensation system.
  • condensation system for low pressure gas media comprising a collecting chamber located at a lower level, a condenser having a plurality of cooling elements located at a higher level, and a multiplicity of substantially similar channels interconnecting the collecting chamber and the condenser.
  • a collecting chamber or plenum is located at a lower level or subterraneously and is connected by a multiplicity of substantially similar rectilinear distribution tubes or guide channels, especially of equal length, to cooling elements of a condensation system located above the collecting chamber.
  • the distribution tubes extend through the interior of the collecting chamber and are securely fastened in the ceiling of the collecting chamber, the lower ends of the distribution tubes being anchored in the bottom of the collecting chamber.
  • the collecting chamber is at least partly subterraneous and comprises a brick or concrete enclosure having a floor or base that is at least part of the foundation of the structure.
  • the distribution tubes are embedded in the foundation, and suitable lateral openings are formed therein at locations thereof within the collecting chamber, so that the gaseous medium or steam is introducible therethrough from the collecting chamber into the interior of the distribution tubes.
  • the distribution tubes support the cooling elements or parts of the condensation system or the entire condensation system altogether.
  • support paws are disposed on the distribution tubes in an upper region thereof and, for example, holder members for the cooling elements or the entire condensation system are mounted on the support paws.
  • the jacket enclosing the cooling elements together with associated devices can be mounted on the support paws, so that the distribution tubes can ultimately support or partly support an entire cooling tower.
  • the distribution tubes which extend through the ceiling of the collecting chamber can, by themselves, statically support without additional reinforcement, the ceiling of the steam collecting chamber. If, in addition to the condensation elements, further support structures, stages, stairs and other rising parts of cooling chimneys are to be supported on the distribution tubes, in most cases special reinforcement of the distribution tubes may nevertheless be unnecessary because they have already been provided with the necessary strength for the anticipated loads by the manner in which they have been constructed and machined. Elbows and branches or taps may be dispensed with because the number and disposition of the distribution tubes can be freely selected in the most appropriate manner.
  • FIG. I is a partly diagrammatic vertical sectional view of the condensation system for low pressure gaseous media according to the invention.
  • FIG. 2 is a sectional view of FIG.I taken along the line II II in the direction of the arrows;
  • FIG. 3 is a sectional view of FIG. 1 taken along the line III III in the direction of the arrows;
  • FIG. 4 is a sectional view, partly broken away, of a cooling tower in which another embodiment of the condensation system of FIG. 1 is incorporated.
  • FIG. 1 there is provided therein a longitudinal vertical sectional view of an installation in which a collecting chamber 5 for exhaust steam is located below the steam turbine of a steam power plant, and a condenser is located above the turbine.
  • the steam turbine has a high pressure stage 1 and a low pressure stage 2 and is connected to a generator 3.
  • the low pressure stage 2 has an exhaust steam outlet 4 through which spent steam flows into the collecting chamber 5.
  • the collecting chamber 5 is defined at the bottom thereof by a foundation 7 for the condensation system, and at the top thereof by a ceiling or cover 6.
  • the walls of the collecting chamber 5 may be formed of concrete, for example, a suitable protective layer being provided for preventing silica from passing from the concrete into the steam condensate collecting in the collecting chamber.
  • a steel jacket serves as the protective layer and can be employed as a steel lining form which becomes a lost form for the concrete.
  • fluted pins or other suitable extensions can be mounted on the sheet steel so that they protrude into the concrete mass and are embedded therein.
  • the turbine is mounted on a table-like base plate 8 which is supported on the foundation 7 by support members 9.
  • a multiplicity of steam distribution tubes 10 is, moreover, tightly secured in the ceiling or cover 6 and in the foundation 7, and the tubes to are interconnected at the upper end thereof by horizontally extending manifold tubes 10 through which the steam is conducted by small connecting tubes to cooling elements 12 of the condenser.
  • Cooling air is blown through the cooling elements 12 by fans or blowers 13.
  • the blowers 13 are supported, together with their driving mechanisms, on support structures 14, the cooling elements 12 being carried by other support members 15.
  • the supporting structural members 14 and 15 are secured, in turn, directly or by additional intermediary supports on pads or paws 16, which are mounted on the steam distribution tubes 10.
  • the tubes 10 are provided, in the interior of the steam collecting chamber 5, with lateral inlet openings 17, so as to permit the steam to travel into the tubes 10.
  • the condensate produced in the condensation elements l2 flows through lines 18 into a condensate collecting tank 19 which is provided in the foundation 7. With the aid of a pump 20, the condensate is fed to the continuing water-steam circulatory loop through a connecting tube 21.
  • the floor 22 of the power house is located at the level of the support plate 8 of the turbine, the distribution tubes 10 extending therethrough.
  • FIGS. 2 and 3 are vertical and horizontal crosssectional views, respectively, taken in planes perpendicular to the cross-sectional plane shown in FIG. 1. Mutually corresponding part in FIGS. 1, 2 and 3 are identified by the same reference numerals.
  • FIGS. 2 and 3 show a traveling crane 55 which can travel over the turbine, the space through which the crane 53 is traversible being kept free of the steam distribution tubes It).
  • the carrying crane 53 travels on rails 51 and 52, hoisting equipment 54 being mounted thereon and being reciprocable in direction transverse to the direction of traverse of the crane 55 along the rails 51 and 52.
  • boiler feed pumps 56 are located beneath as assembly access opening 55.
  • a feedwater tank 57 with a degassing unit, as well as a preheating apparatus 53 are also provided.
  • a cooling tower is shown partially in cross-sectional view and partially in a view from the interior thereof.
  • a cooling tower could also be located above the power house according to FIGS. 1, 2 and 3, the further possibility is illustrated in FIG. 4 of erecting a cooling tower that is separated or away from the power house, the turbine exhaust steam being delivered from the turbine (not shown in FIG. 4) through a duct 31 and conducted to the collecting chamber 32.
  • a multiplicity of distribution tubes 33 extend into the collecting chamber 32, and are formed at the lower ends thereof with lateral openings 34 through which steam enters the tubes 33 from the collecting chamber 32.
  • the steam collecting chamber 32 is closed at the top thereof by a ceiling or cover 35 in which the distribution tubes 33 are tightly secured.
  • the steam travels from the tubes 33 to the cooling elements 36 and is there condensed.
  • a support ring 37 is mounted on and around the distribution tubes 33, the outer skin 38 of the cooling tower which is secured to the cooling tower structure 39 proper being, in turn, carried by the support ring 37.
  • Cooling air is delivered from the outside in the direction represented by the arrow 14 to the cooling element 36, and leaves the cooling tower in upward direction represented by the arrow 41.
  • the foundation 42 of the cooling tower in which the distribution tubes 33 are secured, is embedded in the soil 43.
  • the invention of the instant application is of value for cooling towers with natural draft, as well as for those with forced draft. Also when the latter is formed of a series of individual cells. In such case, the steam collecting chamber 32 appropriately extends over several of such cooling tower cells.
  • Condensation system for a steam power plant including a turbine, comprising a foundation for the plant, a collecting chamber formed in the foundation, means supporting the turbine above the collecting chamber, conduit means communicating between the turbine and the collecting chamber for admitting spent steam from the turbine into the collecting chamber, upright hollow support columns the lower end of each of which passes through the collecting chamber and is anchored in the foundation and the upper end of each of which extends above the turbine, a condenser supported by the columns at a level above the turbine, the condenser having a plurality of cooling elements, openings in a portion of each of the columns within the collecting chamber for admitting steam from the collecting chamber into the columns, and conduit means communicating between an upper portion of each of the columns and the cooling elements of the condenser for admitting steam from the columns to the cooling elements for condensation of the steam.
  • Condensationsystem according to claim I wherein said collecting chamber is defined by walls formed of a material selected from the group consisting of masonry and concrete materials.
  • Condensation system according to claim 3 including a protective lining disposed on the interior of said walls.
  • Condensation system including support paws provided on said columns, and a support frame mounted on said support paws.
  • Condensation system including support paws provided on said columns, and a support ring mounted on said support paws.
  • conduit means communicating between the turbine and the collecting chamber comprises a duct formed of a material selected from the group consisting of concrete and similar structural materials.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
US00226071A 1971-02-13 1972-02-14 Condensation system for low pressure gaseous media, such as exhaust steam of steam power plants Expired - Lifetime US3799253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712107013 DE2107013A1 (de) 1971-02-13 1971-02-13 Kondensationsanlage für den Abdampf von Dampfkraftwerken

Publications (1)

Publication Number Publication Date
US3799253A true US3799253A (en) 1974-03-26

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US00226071A Expired - Lifetime US3799253A (en) 1971-02-13 1972-02-14 Condensation system for low pressure gaseous media, such as exhaust steam of steam power plants

Country Status (9)

Country Link
US (1) US3799253A (fr)
JP (1) JPS5126562B1 (fr)
AU (1) AU474716B2 (fr)
CH (1) CH532235A (fr)
DE (1) DE2107013A1 (fr)
ES (1) ES399738A1 (fr)
FR (1) FR2126684A5 (fr)
GB (1) GB1344033A (fr)
ZA (1) ZA72846B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6360543B2 (en) * 2000-02-09 2002-03-26 Alstom (Schweiz) Ag Steam condenser
US6382584B1 (en) * 1999-03-22 2002-05-07 Dresser-Rand Company Self leveling machine support
US6735947B1 (en) * 1998-11-25 2004-05-18 Alstom Power Generation Ag Steam power plant
US20140053599A1 (en) * 2012-08-22 2014-02-27 Woodside Energy Technologies Pty Ltd. Modular LNG Production Facility

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105804C2 (de) * 1981-02-17 1986-08-14 Kraftwerk Union AG, 4330 Mülheim Kondensatoranordnung
DE3325054A1 (de) * 1983-07-12 1985-01-24 Balcke-Dürr AG, 4030 Ratingen Zwangsbelueftete kondensationsanlage
DE3421200A1 (de) * 1983-07-12 1985-01-24 Balcke-Dürr AG, 4030 Ratingen Zwangsbelueftete kondensationsanlage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703592A (en) * 1969-08-01 1972-11-21 Gea Luftkuehler Happel Gmbh Condenser for low boiling fractions in rectifying or distilling columns

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703592A (en) * 1969-08-01 1972-11-21 Gea Luftkuehler Happel Gmbh Condenser for low boiling fractions in rectifying or distilling columns

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6735947B1 (en) * 1998-11-25 2004-05-18 Alstom Power Generation Ag Steam power plant
US6382584B1 (en) * 1999-03-22 2002-05-07 Dresser-Rand Company Self leveling machine support
US6360543B2 (en) * 2000-02-09 2002-03-26 Alstom (Schweiz) Ag Steam condenser
US20140053599A1 (en) * 2012-08-22 2014-02-27 Woodside Energy Technologies Pty Ltd. Modular LNG Production Facility
CN103629893A (zh) * 2012-08-22 2014-03-12 伍德赛德能量科技私人有限公司 模块化液化天然气生产设备
US10539361B2 (en) * 2012-08-22 2020-01-21 Woodside Energy Technologies Pty Ltd. Modular LNG production facility

Also Published As

Publication number Publication date
AU474716B2 (en) 1976-07-29
CH532235A (de) 1972-12-31
ZA72846B (en) 1972-10-25
DE2107013A1 (de) 1972-08-17
JPS5126562B1 (fr) 1976-08-07
AU3892972A (en) 1973-08-16
FR2126684A5 (fr) 1972-10-06
GB1344033A (en) 1974-01-16
ES399738A1 (es) 1974-11-16

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