WO2017140762A1 - Dispositif de mesure stationnaire pour des tours de refroidissement et procédé de mesure de données de mesure à l'intérieur d'une tour de refroidissement - Google Patents

Dispositif de mesure stationnaire pour des tours de refroidissement et procédé de mesure de données de mesure à l'intérieur d'une tour de refroidissement Download PDF

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Publication number
WO2017140762A1
WO2017140762A1 PCT/EP2017/053476 EP2017053476W WO2017140762A1 WO 2017140762 A1 WO2017140762 A1 WO 2017140762A1 EP 2017053476 W EP2017053476 W EP 2017053476W WO 2017140762 A1 WO2017140762 A1 WO 2017140762A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring
measuring device
cooling tower
data
gondola
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.)
Ceased
Application number
PCT/EP2017/053476
Other languages
German (de)
English (en)
Inventor
Franz Strohmer
Olivier LANDEAU
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.)
Areva GmbH
Original Assignee
Areva 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 Areva GmbH filed Critical Areva GmbH
Publication of WO2017140762A1 publication Critical patent/WO2017140762A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F25/00—Component parts of trickle coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2200/00—Prediction; Simulation; Testing

Definitions

  • the invention relates to a stationary measuring device for cooling towers, for example cooling towers of power plants, for example nuclear power plants.
  • the invention further relates to a method for measuring measured data in the interior of a cooling tower, in particular with a measuring device according to the invention.
  • the stationary measuring device comprises at least one measuring strand between two opposite sides of the cooling tower, wherein at least one measuring gondola is movably provided on the at least one measuring strand, in particular suspended and / or guided, wherein the measuring gondola comprises at least one sensor for measuring data in the cooling tower interior during the operation of the cooling tower.
  • a stationary measuring device is understood as meaning a measuring device which is permanently installed in the cooling tower and remains there, at least for a predetermined period of time.
  • the at least one measuring strand is preferably formed from steel or plastic.
  • the other components of the measuring device consist for example of lightweight items such as aluminum profiles, lattice girders, scaffolding poles, mechanical connecting parts, actuators, rope guide rollers and Abstützept, which are all dimensioned so that they manually transported to the level of the plenum of a cooling tower and assembled there to the actual measuring device and can be installed.
  • the present invention has the advantage that it is possible with the measuring device to remotely and automatically record the data required for the state description of a cooling tower, since the measuring device is permanently installed in the cooling tower and remains there. For this, the device at standstill of the cooling tower, ie z. During the revision. The device may then remain in the cooling tower, for example, throughout the year until the next stop.
  • Another advantage of the invention is that the measurement can be initiated remotely, i. the measurement team can start the survey anywhere in the world, regardless of the location of the measurement team in any cooling tower. This flexibility is important because the ideal time of the measurement data acquisition depends on the plant state of the power plant, and / or the operating state and the operating conditions of the cooling tower, and / or on the weather conditions.
  • the advantage of such a measuring device is obvious, because it does not require the measuring team to arrive to measure.
  • the measurement team must query weather and plant data from the power plant maintenance department and then arrive to take the measurements.
  • the weather forecast may change during the arrival time, so that the team can no longer measure on site.
  • Another advantage is that with the device, the measurements can be made faster and in any density in the plenary of the cooling tower. This improves the quality of the measurement data.
  • the automatic measurement may take less than 30 minutes for all measuring points. Up to now, about three hours have been necessary for the manual measurement data acquisition.
  • the measurement process is also safer because no employees have to work under respiratory protection.
  • the atmosphere is usually acted upon by aerosols.
  • aerosols can transmit germs and pathogens from the cooling water via the respiratory tract and the skin. For these reasons it is eg in France, but even in the United States prohibited to enter cooling towers during operation. There, a state determination of the cooling towers is made technically possible by the measuring device. In Germany, extensive occupational safety measures, such as protective suit and respiratory protection are required, here the plant supplies not only increased safety but also qualitatively better measurement data.
  • the measuring device comprises at least one pair of support means, between which the measuring strand is provided, in particular tensioned.
  • the support means are preferably provided on a catwalk indiumturminnenraum, and supported in particular on a railing of the catwalk and / or at the bottom of the catwalk. This increases the mechanical stability.
  • one of the support means or both support means of the support means pair comprise at least one vertical mast and / or at least one horizontal arm, wherein the horizontal arm is provided at the upper end or in the upper region of the mast.
  • the horizontal mast can be supported and / or fixed, for example, on the railing and / or floor of the catwalk.
  • the horizontal arm is adjustable in length, in particular extendable or extendable.
  • the vertical mast and / or the horizontal arm are secured via at least one, preferably a plurality, steel springs in the cooling chamber interior, in order to ensure a constant tension of the measuring strand. Since the measuring device is preferably installed during standstill of the cooling tower, ie at low temperatures, the temperature increases during operation of the cooling tower and the installed measuring strand would become longer and sag due to the thermal expansion.
  • the bias of Support means compensates for the length expansion and prevents excessive sagging of the rope.
  • the or each measuring strand is double-tensioned between a pair of support means, wherein the measuring strand is deflected via deflection rollers on the support means, in particular the horizontal arms, wherein the measuring gondola is preferably provided, in particular hooked, on a lower section or on both sections of the measuring strand , is.
  • a suspension on both sections has the advantage of a weight distribution.
  • the measuring device comprises at least one motor for driving the at least one measuring gondola, wherein the measuring gondola can be moved by the motor constantly or stepwise on the measuring strand.
  • the at least one motor may be provided on one of the support means of a pair of support means, in particular be mounted.
  • the at least one sensor of the measuring nacelle may be a temperature sensor and / or an airspeed sensor and / or an air pressure sensor and / or a pressure sensor and / or a humidity sensor. It can also be provided any other sensors.
  • the measuring gondola preferably comprises at least one, preferably foldable, cable for supplying energy to the measuring gondola and / or for transmitting data measured by the sensor (s).
  • the measuring gondola comprises at least one battery for supplying power to the measuring gondola.
  • the measuring gondola comprises a memory for storing data measured by the sensor (s).
  • a control box for controlling the measuring nacelle and / or the engine is provided, in particular in the cooling chamber interior.
  • the control box is provided on one of the support means of a pair of support means.
  • the control box can be connected via the already mentioned cable to the measuring gondola and / or the sensor (s) of the measuring gondola.
  • the control box may include a charging station for charging batteries of the measuring gondola and / or a docking station for temporary connection to the measuring gondola. When connecting the measuring gondola to the docking station, data measured after a measuring process can be transmitted from the measuring gondola or the at least one sensor to the control box.
  • the docking station can also be designed as a charging station.
  • the control box itself is preferably designed remotely controllable. An operator therefore does not have to be present on site in the cooling tower interior. Rather, the operator can communicate with the control box and thus the measuring gondola from outside the cooling tower, possibly also over long distances.
  • the measuring device comprises a measuring computer for digital further processing and / or storing the data measured by the sensor (s) in the cooling chamber interior, the measuring computer being provided outside the cooling-chamber interior.
  • the measuring computer is preferably connected via a cable to the measuring gondola and / or the sensor (s) of the measuring gondola and / or the aforementioned control box in the cooling-chamber interior.
  • the measuring computer is provided, for example, for remote control of the control box.
  • the measuring computer itself can also be remotely controlled, for example via another computer.
  • the measuring computer can have an Internet access, so that the remote control can be done on the basis of the above-mentioned further computer via the Internet.
  • the measuring computer can be remote-controlled by an operator, even over long distances, via the Internet and another computer.
  • the measuring device comprises a, in particular mobile, weather station, the weather station being connected to the measuring computer for matching measured data and weather data of the weather station measured by the sensor (s).
  • the weather station is intended to provide weather data for the location of the Cooling tower to determine. Accordingly, the weather station is conveniently located near the cooling tower.
  • the advantage of the weather station is that at the time of each measurement of data in the cooling tower at the same time meteorological weather data such as atmospheric pressure, wind speed, humidity, air temperature, rainfall, wind direction and sunlight can be recorded. At the same time, the atmospheric pressure in the interior of the cooling tower can be measured by an appropriate sensor for each measurement. On the other computer can also locally on the weather data.
  • meteorological weather data such as atmospheric pressure, wind speed, humidity, air temperature, rainfall, wind direction and sunlight
  • Measurement computer stored data can be retrieved and edited.
  • Another advantage of the weather station is based on the fact that the measuring computer at any time meteorological data on the location of the cooling tower are available. In this way, the data of each measuring point can be compared and corrected with the meteorological data determined at the same time.
  • the measurement results in a field of meteorologically corrected data points from the plenum of the cooling tower within approx. 30 min. Depending on the dimension of the cooling tower, 300 to 400 data measuring points are generated, which are used to assess the cooling tower status.
  • the measurement can be repeated at any time depending on the operating status of the system. Meteorological data can be called up remotely via the weather station, which is connected to the measuring computer, and it can be decided before a series of measurements whether the weather situation offers a favorable situation for a series of measurements. So the measurements can be carried out in optimal weather conditions.
  • the measuring device comprises a plurality of measuring strands.
  • each measuring string can be stretched between a pair of support means.
  • the measuring strands can be aligned parallel and / or spaced from each other.
  • a first group of measuring strings may be parallel and / or spaced apart. be aligned and a second group of measuring strands is oriented perpendicular to the first group, so that the measuring strands form a network.
  • at least one measuring gondola is movably provided on each measuring strand, in particular hooked and / or guided, wherein each measuring gondola comprises at least one sensor for measuring data in the cooling chamber during the operation of the cooling tower.
  • the inventive method for measuring data in the interior of a cooling tower comprises the steps:
  • Measuring measured data in the cooling chamber interior during the current cooling tower operation preferably by means of one or more sensors of one or more measuring gondolas.
  • the method is intended, in particular, for measuring data in the plenum of the cooling tower and / or at about the level or, in comparison to the height of the cooling tower, slightly above a catwalk in the cooling tower interior.
  • a further development of the method provides that weather data, preferably from a weather station in the vicinity of the cooling tower, in particular a mobile weather station, queried and then transmitted to the measuring computer, wherein the measuring computer compares the data measured in the cooling tower interior with the weather data and / or the data relates.
  • the comparison of the data can be done online or later.
  • measured data are further processed digitally and / or stored by the measuring computer.
  • the measured data become another Computer forwarded and / or queried by another computer.
  • This additional computer can be located at a remote location.
  • the other computer can be connected, for example via the Internet with the measuring computer.
  • FIG. 1 shows a first embodiment of the measuring device according to the invention in a schematic diagram
  • FIG. 2 shows a second embodiment of the measuring device according to the invention in a schematic representation.
  • the measuring station comprises a measuring strand 2 between two opposite sides of the cooling tower 20.
  • a measuring nacelle 3 is movably mounted and guided on the measuring strand 2.
  • the measuring gondola 3 comprises a plurality of sensors 4 for measuring data in the cooling tower interior 18 during operation of the cooling tower 20.
  • the plurality of sensors of the measuring gondola 3 are a temperature sensor and an air speed sensor and an air pressure sensor and a pressure sensor and a humidity sensor.
  • the measuring device 1 also comprises a pair of support means 5, between which the measuring strand 2 is double-tensioned.
  • the measuring strand 2 is deflected by deflection rollers 11 on the horizontal arms 7 of the support means, the measuring gondola 3 being suspended from a lower section 12 of the measuring strand 2.
  • Both support means 5 each comprise a vertical mast 6 and a length-adjustable horizontal arm 7, wherein the horizontal arm 7 at the upper end or in the upper area of the mast 6 is provided.
  • the Su pportkar 5 are provided on the catwalk 8 of the Kü hlturms 20, in particular supported on the railings 9 of the catwalk 8 and at the bottom of the catwalk 8.
  • the vertical mast 6 is secured via several steel springs 10 in the cooling tower 18 in order to ensure a constant tension of the measuring strand 2.
  • the measuring device 1 comprises a motor 13 for driving the measuring gondola 3, the motor 13 being provided on a transmission means 5 of a pair of support means 5.
  • the measuring gondola 3 is constant or stepwise by the motor 13 on the measuring strand 2 verfahrba r.
  • the measuring gondola 3 u comprises a foldable cable 14 for supplying energy to the measuring gondola 3 and / or for transmitting data measured by the sensor or sensors 4.
  • control box 15 is provided, wherein the control box 15 is provided on one of the Su pportsch 5 a pair of support means 5.
  • the control box 15 is connected via the cable 14 to the measuring gondola 3 and the sensors 4 of the measuring gondola 3 and is provided for controlling the measuring gondola 3 and the motor 13.
  • the measuring gondola 3 has batteries which can be charged or charged at a charging station of the control box 15.
  • the cable 14 can be omitted.
  • the measuring gantry 3 can be equipped with a memory for storing data measured by the sensor or sensors 4. The data may then be transferred from the memory to a docking station of the control box 15.
  • FIG. 2 shows a further exemplary embodiment of the measuring device 1 according to the invention, in which the measuring device 1 comprises a plurality of measuring strands 2 u. Each measuring strand 2 is stretched between a pair of Su pportschn 5, the measuring strands 2 are aligned parallel and spaced from each other.
  • the measuring device 1 comprises a measuring computer 16 for the digital further processing and storage of the measured data, wherein the measuring computer is provided outside the cooling tower interior 18 and via a cable 19, in particular for power supply and / or data transmission, with the control box 15 and the control box 15 with the measuring gondola 3 and the sensors 4 is connected.
  • the measuring device 1 further comprises a mobile weather station 17, wherein the weather station 17 is connected to the measuring computer 16 for balancing data and weather data of the weather station 17 measured by the sensors 4.
  • the measuring computer 16 has an Internet access, so that the measuring computer 16 can be remotely operated by a further computer 21.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un dispositif de mesure stationnaire (1) pour des tours de refroidissement (20), notamment des tours de refroidissement (20) de centrales électriques, comportant au moins une ligne de mesure (2) entre deux côtés opposés de la tour de refroidissement (20), au moins une nacelle de mesure (3) étant disposée mobile sur l'au moins une ligne de mesure (2), la nacelle de mesure (3) comprenant au moins un capteur (4) pour la mesure de données à l'intérieur (18) de la tour de refroidissement lors du fonctionnement de la tour de refroidissement (20). L'invention concerne également un procédé de mesure de données de mesure à l'intérieur (18) d'une tour de refroidissement (20), notamment au moyen du dispositif de mesure (1) selon l'invention.
PCT/EP2017/053476 2016-02-19 2017-02-16 Dispositif de mesure stationnaire pour des tours de refroidissement et procédé de mesure de données de mesure à l'intérieur d'une tour de refroidissement Ceased WO2017140762A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016102977.7 2016-02-19
DE102016102977.7A DE102016102977A1 (de) 2016-02-19 2016-02-19 Stationäre Messvorrichtung für Kühltürme und Verfahren zum Messen von Messdaten im Inneren eines Kühlturms

Publications (1)

Publication Number Publication Date
WO2017140762A1 true WO2017140762A1 (fr) 2017-08-24

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PCT/EP2017/053476 Ceased WO2017140762A1 (fr) 2016-02-19 2017-02-16 Dispositif de mesure stationnaire pour des tours de refroidissement et procédé de mesure de données de mesure à l'intérieur d'une tour de refroidissement

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DE (1) DE102016102977A1 (fr)
WO (1) WO2017140762A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019120363A1 (fr) * 2017-12-22 2019-06-27 Enexio Service Gmbh Mesure de paramètres de fonctionnement
WO2020162838A1 (fr) * 2019-02-07 2020-08-13 Js Energija, D.O.O. Système de mesure et procédé de mesure des propriétés d'air humide dans des tours de refroidissement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622225A1 (de) * 1975-11-13 1977-05-26 Hamon Sobelco Sa Atmosphaerischer kuehler mit verminderter schallabstrahlung
DE19800018A1 (de) * 1998-01-04 1999-07-08 Jaresch U Wegener Dirk Tragbare Reinigungsvorrichtung für Wärmetauscher
EP2096395A1 (fr) * 2008-02-29 2009-09-02 SPX-Cooling Technologies GmbH Dispositif de nettoyage de constructions à froid
US20130228941A1 (en) * 2010-11-02 2013-09-05 Kernkraftwerk Leibstadt Ag Air introduction system and method for cooling towers
US20150279488A1 (en) * 2012-11-02 2015-10-01 Epsco Limited Method and apparatus for inspection of cooling towers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780567A (en) * 1972-03-17 1973-12-25 Ecodyne Corp Drift measurement system
AU2005202183B1 (en) * 2004-05-22 2005-09-01 Sigma Energy Solutions Pty Limited Improved fan-assisted wet cooling tower and method of reducing liquid loss
EP3025202B1 (fr) * 2013-07-25 2024-01-24 BL Technologies, Inc. Surveillance dynamique, diagnostic et commande de systèmes de tour de refroidissement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622225A1 (de) * 1975-11-13 1977-05-26 Hamon Sobelco Sa Atmosphaerischer kuehler mit verminderter schallabstrahlung
DE19800018A1 (de) * 1998-01-04 1999-07-08 Jaresch U Wegener Dirk Tragbare Reinigungsvorrichtung für Wärmetauscher
EP2096395A1 (fr) * 2008-02-29 2009-09-02 SPX-Cooling Technologies GmbH Dispositif de nettoyage de constructions à froid
US20130228941A1 (en) * 2010-11-02 2013-09-05 Kernkraftwerk Leibstadt Ag Air introduction system and method for cooling towers
US20150279488A1 (en) * 2012-11-02 2015-10-01 Epsco Limited Method and apparatus for inspection of cooling towers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019120363A1 (fr) * 2017-12-22 2019-06-27 Enexio Service Gmbh Mesure de paramètres de fonctionnement
WO2020162838A1 (fr) * 2019-02-07 2020-08-13 Js Energija, D.O.O. Système de mesure et procédé de mesure des propriétés d'air humide dans des tours de refroidissement

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