EP0855568B1 - Flüssigkeitsverteilnetz für einen Kühlturm - Google Patents

Flüssigkeitsverteilnetz für einen Kühlturm Download PDF

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Publication number
EP0855568B1
EP0855568B1 EP19980400042 EP98400042A EP0855568B1 EP 0855568 B1 EP0855568 B1 EP 0855568B1 EP 19980400042 EP19980400042 EP 19980400042 EP 98400042 A EP98400042 A EP 98400042A EP 0855568 B1 EP0855568 B1 EP 0855568B1
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EP
European Patent Office
Prior art keywords
pipes
fluid
tubes
manifold
assembly
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
EP19980400042
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English (en)
French (fr)
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EP0855568A1 (de
Inventor
François Delemont
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.)
Hamon Thermal Europe France SA
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Hamon Thermal Europe France SA
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Publication date
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Publication of EP0855568A1 publication Critical patent/EP0855568A1/de
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Publication of EP0855568B1 publication Critical patent/EP0855568B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F28F25/00—Component parts of trickle coolers
    • F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid

Definitions

  • the present invention relates to a distribution network of liquid, in particular water, for installation atmospheric refrigerant industrial of the type comprising a set of tubes parallel to each other and substantially horizontal, connected at one end by a collector or liquid supply tank, and equipped with liquid dispersers.
  • water distribution networks comprising substantially horizontal tubes connected to one of their ends to a liquid supply pan around which they extend radiant and which are equipped with liquid dispersers, networks in which a part of the tubes is provided with means for switch off these tubes when the supply flow decreases in below the nominal flow rate in order to maintain the same performance for liquid dispersers remaining in service.
  • the object of the invention is to provide a distribution network for. liquid arranged to solve the problem without requiring the addition of an additional auxiliary network.
  • the invention relates to a liquid distribution network for atmospheric refrigerant, comprising a set of tubes substantially horizontal connected at one of their ends by a collector or liquid supply tank and fitted with liquid, in which part of the tubes is provided with means for put a section of each of the tubes of said part of the tubes practically out of circuit liquid at nominal liquid flow rate, and to use them as soon as a overflow above the nominal flow, the tubes of said set of tubes being parallel, and the ends of the tubes of said set of tubes opposite the tank or collector being connected between them by a pipeline.
  • the invention relates to a distribution network of liquid for atmospheric refrigerant, comprising a set of tubes substantially horizontal connected at one of their ends by a collector or liquid supply tank and fitted with liquid, in which part of the tubes is provided with means for put a section of each of the tubes of said part of the tubes practically out of circuit liquid at nominal liquid flow rate, and to use them as soon as a overflow above the nominal flow, the tubes of said set of tubes being parallel, and the ends of the tubes of said set of tubes opposite the tank or collector being connected to due to two consecutive tubes or three consecutive tubes of said set of tubes.
  • the aforementioned means include one end of said tubes bent at the beak and oriented upwards, as well as an arranged nozzle at the base of this bent end; therefore at nominal flow the tube correspondent is supplied with fluid by the nozzle with a very low flow rate, while at a higher flow rate of a predetermined value, it can also be fed through the opening of the angled end.
  • Figure 1 is a schematic perspective view of a first embodiment of the liquid distribution network for atmospheric refrigerant according to the invention.
  • Figures 2 and 3 are schematic elevational views similar to Figure 1 illustrating its mode of operation.
  • Figure 4 is a mid-sectional mid-elevation view partial of the collecting tank of a distribution network of the sky tank type open, as well as a corresponding embodiment of the means of deactivation of certain tubes in this network.
  • Figure 5 is a schematic top view of the network of distribution according to the embodiment of FIG. 4.
  • Figure 6 is a partial elevational view of a second form for producing means for switching off a tube of a network of the type with collector.
  • Figure 7 is a schematic top view of the network of distribution corresponding to figure 6.
  • FIGS 8 and 9 are schematic plan views of two other possible embodiments of the distribution network according to the invention.
  • the distribution network shown in Figures 1 to 3 is intended for the distribution of liquid, in particular hot water, for refrigerants atmospheres used in certain industrial installations.
  • This network includes a set of tubes 1, 2, 3, 4, 5 ... mutually parallel and substantially horizontal, connected to one of their ends by a manifold or tank 6 for liquid supply.
  • Tubes 1, 2 ... are equipped with "nozzle-dispersers” or more simply “dispersers” 7 of liquid, for example of the shower head type.
  • the height of liquid in tank 6 (or pressure in manifold 6) is less than a height H.
  • Each tube 1, 3, 5 ... is supplied normally in liquid while the tubes 2, 4 ... equipped with the means 8 are supplied only through a member of the means 8 ensuring a flow restriction.
  • the small amount of corresponding liquid which flows in the tubes 2, 4 ... enables the dispersers 7 to be supplied only on an ED section ( Figures 1 and 2) while the other tubes such as 1, are powered normally. Therefore, the amount of liquid received in these tubes (arrow F figure 1) allows to feed not only the entire length corresponding AB of tube 1 ... but also the connecting part BC between the tubes 1, 2 etc and the sections such as CD of tubes 2 .... equipped with the means 8, as indicated by the arrows.
  • the height of the liquid in the tank 6 becomes greater than the height H.
  • the tubes 2, 4 ... can then be supplied by means 8 which come into action, which allows a much greater flow in the tubes 2, 4 ... for supplying ED 'sections of greater length at ED.
  • the corresponding tube 1, 3 ... feeds a section ABCD 'smaller than the initial section ABCD ( Figures 2 and 3).
  • Such a liquid distribution network can accept and distribute suitably water flows much higher than the nominal flow, and this in using the same single network, without an auxiliary network.
  • FIG. 4 shows a first embodiment possible of the aforementioned means 8, suitable for a network of the collecting tank type 11 in the open.
  • this network part of the tubes for example one on two or one in three, has bent ends 12 in the shape of a beak and oriented upwards, the elbow being substantially at right angles and extending over a height H.
  • a nozzle 13 constituted by a hole of weak diameter is provided at the base of the angled end 12 and opens into the corresponding horizontal tube 2, 4 ...
  • the tube correspondent 2 (4 7) is supplied with liquid at a low flow rate, through the nozzle 13, the other tubes, devoid of the spouts 12, being supplied with liquid at nominal flow.
  • the flow rate increases so that the level in tank 11 reached and exceeds that of the upper end of the elbow or spout 12 (maximum level N2), the liquid enters the elbow 12 and pours into tube 2 (4 ). This can increase the flow up to approximately twice the nominal flow rate, without causing excess pressure troublesome in the network, so without risking a deterioration of dispersers 7.
  • constriction at the base of the spouts 12 can be achieved by several nozzles such as 13, or with holes, or slots or bevels. This or these nozzles can also be fitted with rings adjustment (not shown).
  • the upper opening of the spouts 12 can be bevelled as shown in dashed lines referenced 14.
  • the distribution network is of the closed tubular collector type 15.
  • the means 8 liquid shutdown include, for each of the tubes concerned, for example one tube (2, 4, 10) out of two a tubular stock 16 arranged in an inverted U between the associated tube 2 (4 ...) and the manifold 15, and connected to them.
  • Lacrosse 16 is completed at its base by a constriction 17 connecting the ends of the stick between them as well as tube 2 (4 ...) and manifold 15.
  • the tubes 1, 2 ... are connected two by two by their ends opposite the collector or feed spout 6: are connected together by a pipe 16 the ends of tubes 1, 2, then tubes 3 and 4, 5 and 10 ..., every other tube each of these pairs being able to be provided with the means described above of liquid shutdown.
  • the ends of the tubes are connected three by three: thus are connected to each other by a pipe 17 the ends of the tubes 1, 2, 3, then the tubes 2, 3, 4 etc, one at less of these groups of three tubes being provided with the aforementioned means of setting out of the liquid circuit.
  • the invention presents that of ensuring correct operation of the refrigerant (distribution of liquid) on a regular basis according to the variations in flow, and not so "brutal” as soon as a predetermined water level is reached (or a value predetermined water overpressure), as in the case of the realization known previously mentioned auxiliary network doubling the network main.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (6)

  1. Flüssigkeitsverteilnetz für einen Kühlturm, welcher eine Gruppe von im wesentlichen horizontalen Rohren (1, 2, 3, ...) die an einem ihrer Enden durch einen Sammler oder Behälter (6) zur Zuführung von Flüssigkeit verbunden und mit Flüssigkeitsverteilern (7) versehen sind, in welcher Gruppe ein Teil (2, 4,...) der Rohre mit Mitteln (8) versehen ist, um einen Abschnitt von jedem der Rohre von dem besagten Rohrteil praktisch bei nominaler Flüssigkeitsflussleistung (N1), außerhalb das Flüssigkeitsnetz zu setzen und um sie zu benutzen, sobald eine Mehrflussleistung oberhalb der nominalen Flüssigkeitsflussleistung auftaucht, wobei die Rohre der besagten Gruppe paralleler Rohre und die Enden der Rohre (1, 2, ...) der besagten, gegenüber dem Behälter bzw. dem Sammler (6) gelegenen Rohrgruppe untereinander durch ein Rohrsystem (9) verbunden sind.
  2. Flüssigkeitsverteilnetz für einen Kühlturm, welcher eine Gruppe von im wesentlichen horizontalen Rohren (1, 2, 3, ...) die an einem ihrer Enden durch einen Sammler oder Behälter (6) zur Zuführung von Flüssigkeit verbunden und mit Flüssigkeitsverteilern (7) versehen sind in welcher Gruppe ein Teil (2, 4,...) der Rohre mit Mitteln (8) versehen ist um einen Abschnitt von jedem der Rohre von dem besagten Rohrteil praktisch bei nominaler Flüssigkeitsflussleistung (N1) außerhalb das Flüssigkeitsnetz zu setzen und um sie zu benutzen, sobald eine Mehrflussleistung oberhalb der nominalen Flüssigkeitsflussleistung auftaucht, wobei die Rohre der besagten Gruppe paralleler Rohre und die Enden der Rohre (1, 2, ...) der besagten, gegenüber dem Behälter bzw. dem Sammler (6) gelegenen Rohrgruppe durch zwei aufeinanderfolgende Rohre (1-2, 3-4,...) oder drei aufeinanderfolgende Rohre (1-2-3, 4-5-10,...) der besagten Rohrgruppe verbunden sind.
  3. Netz nach irgendeinem der Ansprüche 1 und 2,
    dadurch gekennzeichnet, dass der Behälter ein am Tag geöffneter Behälter ist, und die besagten Mittel ein Ende der besagten Rohre (2, 4, ...) des besagten schnabelförmig (12) nach oben gebogenen Rohrteiles ebenso wie einen an der Basis dieses gebogenen Endes angeordneten Stutzen (13) aufweisen, so daß das Rohr des entsprechenden Rohrteils bei nominaler Flüssigkeitsflussleistung (N1) über den Stutzen an Flüssigkeit versorgt wird und daß es bei einer höheren Flüssigkeitsflussleistung außerdem durch die Öffnung des gebogenen Endes versorgt werden kann, sobald diese Mehrflussleistung (N2) ausreichend ist.
  4. Netz nach Anspruch 3,
    dadurch gekennzeichnet, dass das gebogene Ende abgeschrägt ist (14).
  5. Netz nach irgendeinem der Ansprüche 1 und 2,
    dadurch gekennzeichnet, dass der Sammier ein geschlossener rohrförmiger Sammler (15) ist und die besagten Mittel einen als umgekehrtes U zwischen dem Rohr (2, 4, ...) des besagten Rohrtells und dem Sammler angeordneten und angeschlossenen rohrförmigen Bogen (16) und ebenso eine die Enden des Bogens auf Höhe dieses Rohres und des Sammlers verbindende Drossel (17) aufweisen.
  6. Netz nach Anspruch 5,
    dadurch gekennzeichnet, dass die Rohre (2, 4, ...) des besagten Rohrteils die mit den besagten Bögen (16) zur Umschaltung außerhalb des Flüssigkeitsnetzes falls eine nominale Flüssigkeitsflussleistung vorliegt und die besagten Rohre (1, 3, ...) der besagten Rohrgruppe übereinandergelagert sind, wobei die mit Bögen versehenen Rohre in der unteren Ebene angeordnet sind.
EP19980400042 1997-01-23 1998-01-12 Flüssigkeitsverteilnetz für einen Kühlturm Expired - Lifetime EP0855568B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9700688A FR2758622B1 (fr) 1997-01-23 1997-01-23 Reseau de distribution de liquide pour refrigerant atmospherique
FR9700688 1997-01-23

Publications (2)

Publication Number Publication Date
EP0855568A1 EP0855568A1 (de) 1998-07-29
EP0855568B1 true EP0855568B1 (de) 2002-08-28

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Family Applications (1)

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EP19980400042 Expired - Lifetime EP0855568B1 (de) 1997-01-23 1998-01-12 Flüssigkeitsverteilnetz für einen Kühlturm

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EP (1) EP0855568B1 (de)
DE (1) DE69807364D1 (de)
FR (1) FR2758622B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105333764A (zh) * 2015-11-23 2016-02-17 王琳 一种冷却塔多向分流器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE337184C (de) * 1917-07-01 1921-05-25 Jung Ernst Wasserverteilungsvorrichtung an Kuehltuermen
GB829555A (en) * 1955-12-05 1960-03-02 Cooling Towers Ltd Improvements in water distributing systems in water cooling towers
DE2849350A1 (de) * 1978-11-14 1980-05-29 Biprokwas Berieselungsvorrichtung fuer absorptionstuerme
US4720358A (en) * 1987-02-02 1988-01-19 The Marley Cooling Tower Company Zoned hot water distribution system for counterflow towers
FR2724220A1 (fr) * 1994-09-07 1996-03-08 Electricite De France Refrigerant atmospherique humide a dispositif antigel

Also Published As

Publication number Publication date
FR2758622B1 (fr) 1999-04-09
DE69807364D1 (de) 2002-10-02
FR2758622A1 (fr) 1998-07-24
EP0855568A1 (de) 1998-07-29

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