EP1883774B1 - Kondensationsanlage - Google Patents

Kondensationsanlage Download PDF

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Publication number
EP1883774B1
EP1883774B1 EP06742362A EP06742362A EP1883774B1 EP 1883774 B1 EP1883774 B1 EP 1883774B1 EP 06742362 A EP06742362 A EP 06742362A EP 06742362 A EP06742362 A EP 06742362A EP 1883774 B1 EP1883774 B1 EP 1883774B1
Authority
EP
European Patent Office
Prior art keywords
windbreak
windbreak wall
condensation plant
wind
fans
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.)
Not-in-force
Application number
EP06742362A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1883774A1 (de
Inventor
Heinrich Schulze
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.)
GEA Energietchnik GmbH
Original Assignee
GEA Energietchnik GmbH
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 GEA Energietchnik GmbH filed Critical GEA Energietchnik GmbH
Publication of EP1883774A1 publication Critical patent/EP1883774A1/de
Application granted granted Critical
Publication of EP1883774B1 publication Critical patent/EP1883774B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • 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

Definitions

  • the invention relates to a condensation plant according to the features in the preamble of claim 1.
  • a condensation plant it for example in WO 98/02701 shown.
  • Condensing systems are used to cool turbines or process vapors and have been used in energy engineering in very large dimensions for many years.
  • the efficiency of a power plant depends not insignificantly on the condensation capacity of the condensation plant.
  • the local climatic conditions and the associated wind speeds and wind directions have a significant influence on the condensation performance.
  • Today's condenser designs have windbreak walls surrounding the heat exchanger elements in their entirety to prevent immediate recirculation of the heated cooling air.
  • the windbreak walls are usually arranged vertically or partially inclined even outwards, as required by the building codes.
  • Wind crosses divide the intake space below the fans into individual areas. It should be noted that the fans are partially mounted at a height of up to 50 m. The wind crosses are usually built up to a height of about 30% of this space, so that laterally oncoming wind can not flow unhindered under the fans, but deflected upon impact on the wind cross upwards and fed to the fans. Although the wind crosses cause an improvement in the efficiency or a reduction in the pressure loss of the peripheral fans, the flow of the peripheral fans is often unsatisfactory.
  • the invention has for its object to reduce the adverse effects of laterally oncoming winds on a mounted on a support structure condensation plant.
  • the object is essentially achieved in that the windbreak wall is arranged inclined in the wind direction or that its lower edge is exposed to the outside than its upper edge.
  • Model calculations confirmed a reduction of wind induced additional pressure losses in one Magnitude of at least 10% regardless of whether an additional wind cross is located below the fans.
  • the advantages come in particular on the edge of the condensation plant arranged fans to bear, the pressure loss could be reduced here by about 20%.
  • the windbreak can be designed inclined overall or even in a portion of its height.
  • An inclination angle of 5 ° to 35 °, in particular 15 ° to 30 °, relative to a vertical is considered appropriate.
  • the angle of inclination must not be so great that there is a significant cross-sectional constriction, which hinders the unhindered upward flow of the heated cooling air, as this would have a negative impact on the efficiency.
  • a windbreak with a height of about 10 m could be displaced at its upper edge by 1 m to 3 m in the direction of the heat exchanger element.
  • the cross section is reduced only to a small extent.
  • the lower edge of the windbreak can be shifted to the outside.
  • the inclination can be increased without the outflow cross section being reduced.
  • the windbreak wall can be made concave in the direction of the heat exchanger elements curved. This also deflects a larger portion of the laterally flowing wind upward, so that the pressure drop below the peripheral fans is lower. As the volumetric flow of the deflected upward wind increases, an additional barrier of cold air is created, which also counteracts a warm air recirculation in an advantageous manner. Also on the leeward side of the condensation plant, the inclination of the windbreak has advantages in terms of warm air circulation, since the hot air edge not perpendicular, but according to the inclination of the windbreak wall on flows inside. As a result, the flow path of the recirculating hot air is longer.
  • the windbreak wall has a horizontally extending profiling, at least in a height region adjacent to the lower edge.
  • windbreak walls are constructed of trapezoidal profiles, in which the profiling in the vertical direction, that is from bottom to top. Although this orientation of the profiling has a positive effect on the flow behavior, in the form that the wind is deflected downwards and upwards. However, just the derivative down is undesirable. Therefore, at least the lower edge of the adjacent height range can have a horizontally extending profiling, which serves as a fluidic barrier.
  • the upper height range of the windbreak may have a vertical profiling, so as not to hinder the upward flow of wind.
  • FIG. 1 shows the model calculation of a condensation plant 1, as it belongs to the prior art.
  • the condensation plant is flowed laterally through the wind W in the model calculation.
  • the heat exchanger elements are not shown in detail. Only the heat distribution elements associated steam distribution lines 2 can be seen in cross section. Below the Steam distribution lines 2, the heat exchanger elements are arranged roof-shaped. Only schematically indicated fans 3 suck from below cooling air, wherein the heated cooling air flows past the steam distribution lines 2 upwards. It can be clearly seen that not all fans 3 are flown evenly. In particular, the edge-side fan 4 promotes noticeably less air than, for example, the fans 3 arranged in the middle region.
  • FIG. 2 shows in a highly simplified representation of the edge region of a condensation plant 8, in which a plurality of rows roof-shaped arranged heat exchanger elements are arranged on a support structure 9, of which for simplicity, only peripheral heat exchanger elements 10 of the outer row are shown.
  • a fan 11 Below the heat exchanger elements 10 is a fan 11, the cooling air K sucks from below and according to the arrows to the heat exchanger elements 10 supplies, where the cooling air K heated and flows in the direction of the arrow WL upwards.
  • steam is introduced in the direction of the arrows D in the heat exchanger elements 10 from the arranged in the ridge region of the heat exchanger elements 10 steam distribution line 12, where the steam condenses.
  • Essential in this embodiment of a condensation plant is the design of the windbreak wall 13, which in the embodiment of the FIG. 2 is arranged inclined relative to the vertical V.
  • the windbreak wall 13 extends in height approximately to the upper edge of the steam distribution line 12.
  • the lower edge 14 of the windbreak wall 13 is further exposed to the outside than the upper edge 15 of the windbreak wall 13.
  • the inclination angle NW is about 5 °. Due to the set inclination of the wind protection wall 13, transverse wind W is diverted upward to a greater extent than would be the case with a vertically oriented wind protection wall.
  • the pressure difference .DELTA.PL measured between the inlet side 16 and the outlet side 17 of the fan 11 is lower than with vertically oriented windbreak walls.
  • the same effect is obtained even if the windbreak is not straight, but according to the embodiment of FIG. 3 is concavely curved.
  • the windbreak 18 of the FIG. 3 is according to the FIG. 2 configured so that its lower edge 19 is exposed to the outside than its upper edge 20, only with the difference that the windbreak 18 from the lower edge 19 to the upper edge 20 is not straight, but curved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
EP06742362A 2005-05-23 2006-05-22 Kondensationsanlage Not-in-force EP1883774B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005024156A DE102005024156B3 (de) 2005-05-23 2005-05-23 Kondensationsanlage
PCT/DE2006/000878 WO2006125419A1 (de) 2005-05-23 2006-05-22 Kondensationsanlage

Publications (2)

Publication Number Publication Date
EP1883774A1 EP1883774A1 (de) 2008-02-06
EP1883774B1 true EP1883774B1 (de) 2009-01-07

Family

ID=36872896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06742362A Not-in-force EP1883774B1 (de) 2005-05-23 2006-05-22 Kondensationsanlage

Country Status (14)

Country Link
US (1) US20080210403A1 (ru)
EP (1) EP1883774B1 (ru)
CN (1) CN101213413A (ru)
AP (1) AP2007004175A0 (ru)
AT (1) ATE420331T1 (ru)
AU (1) AU2006251720B2 (ru)
DE (2) DE102005024156B3 (ru)
ES (1) ES2317535T3 (ru)
MA (1) MA29546B1 (ru)
MX (1) MX2007012613A (ru)
RU (1) RU2363903C1 (ru)
TN (1) TNSN07377A1 (ru)
WO (1) WO2006125419A1 (ru)
ZA (1) ZA200710040B (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006031830B4 (de) * 2006-07-07 2008-04-24 Gea Energietechnik Gmbh Kondensationsanlage
DE102007012539B4 (de) * 2007-03-13 2011-03-03 Gea Energietechnik Gmbh Kondensationsanlage
DE102008031221B3 (de) * 2008-07-03 2009-08-13 Gea Energietechnik Gmbh Kondensationsanlage
CN104296552B (zh) * 2014-09-17 2016-08-24 南京航空航天大学 带有吸风塔的新型空冷凝汽器及汽轮机排汽冷凝方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385197A (en) * 1966-08-05 1968-05-28 Greber Henry Wind ejector for cooling towers and stacks
DE1946915B2 (de) * 1969-09-17 1977-09-08 GEA-Luftkühlergesellschaft Happel GmbH & Co KG, 4630 Bochum Luftgekuehlter kondensator fuer das kopfprodukt einer destillier- oder rektifizierkolonne
DE1962061C3 (de) * 1969-12-11 1979-05-10 Kraftwerk Union Ag, 4330 Muelheim Luftkondensationsanlage
US3939906A (en) * 1973-12-28 1976-02-24 The Lummus Company Air cooled exchanger
DE2405999C3 (de) * 1974-02-08 1981-06-04 GEA Luftkühlergesellschaft Happel GmbH & Co KG, 4630 Bochum Naturzug-Trockenkühlturm
US3918518A (en) * 1974-03-15 1975-11-11 Hudson Engineering Corp Atmospheric heat exchangers
US3987845A (en) * 1975-03-17 1976-10-26 General Atomic Company Air-cooling tower
DE2602058A1 (de) * 1976-01-21 1977-07-28 Krupp Gmbh Kuehlturm
GB2031139A (en) * 1978-10-03 1980-04-16 Renault Tech Nouvelles Process and apparatus for correcting the draught in natural draught dry-process cooling towers
US4243095A (en) * 1979-02-15 1981-01-06 The Lummus Company Cooling tower
SE8007516L (sv) * 1980-10-27 1982-04-28 Svenska Flaektfabriken Ab Forfaringssett for reglering av en utomhus anordnad angkondensor och anordning for genomforande av forfaringssettet
FR2558581B1 (fr) * 1984-01-25 1988-05-20 Electricite De France Refrigerant atmospherique a panache reduit
DE3427664A1 (de) * 1984-07-26 1986-02-06 Kraftwerk Union AG, 4330 Mülheim Verdunstungskuehlturm
DE3441514A1 (de) * 1984-11-14 1986-05-15 Balcke-Dürr AG, 4030 Ratingen Naturzug-kuehlturm
HU221152B1 (en) * 1996-07-17 2002-08-28 Energiagazdalkodasi Intezet Condenser unit working by natural draught and method to exploit it
DE19937800B4 (de) * 1999-08-10 2005-06-16 Gea Energietechnik Gmbh Anlage zur Kondensation von Dampf
DE10323791A1 (de) * 2003-05-23 2004-12-09 Gea Energietechnik Gmbh Luftbeaufschlagter Trockenkühler zum Kondensieren von Wasserdampf
ES2301738T3 (es) * 2003-07-10 2008-07-01 Balcke-Durr Gmbh Procedimiento y dispositivo para la conduccion de la corriente de aire dentro de un condensador refrigerado por aire.

Also Published As

Publication number Publication date
TNSN07377A1 (en) 2009-03-17
MX2007012613A (es) 2008-01-11
RU2363903C1 (ru) 2009-08-10
ATE420331T1 (de) 2009-01-15
AU2006251720A1 (en) 2006-11-30
AP2007004175A0 (en) 2007-10-31
ES2317535T3 (es) 2009-04-16
US20080210403A1 (en) 2008-09-04
CN101213413A (zh) 2008-07-02
AU2006251720B2 (en) 2009-05-21
DE102005024156B3 (de) 2006-10-19
EP1883774A1 (de) 2008-02-06
ZA200710040B (en) 2008-11-26
WO2006125419A1 (de) 2006-11-30
MA29546B1 (fr) 2008-06-02
DE502006002590D1 (de) 2009-02-26

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