EP1522346A1 - Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse - Google Patents

Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse Download PDF

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Publication number
EP1522346A1
EP1522346A1 EP03405723A EP03405723A EP1522346A1 EP 1522346 A1 EP1522346 A1 EP 1522346A1 EP 03405723 A EP03405723 A EP 03405723A EP 03405723 A EP03405723 A EP 03405723A EP 1522346 A1 EP1522346 A1 EP 1522346A1
Authority
EP
European Patent Office
Prior art keywords
central axis
spray
nozzle
distribution nozzle
fluid
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Withdrawn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
EP03405723A
Other languages
German (de)
English (en)
French (fr)
Inventor
Roland Niessen
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.)
Engie Refrigeration GmbH
Original Assignee
Axima Refrigeration 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 Axima Refrigeration GmbH filed Critical Axima Refrigeration GmbH
Priority to EP03405723A priority Critical patent/EP1522346A1/de
Priority to DE502004004279T priority patent/DE502004004279D1/de
Priority to ES04405587T priority patent/ES2289469T3/es
Priority to SI200430440T priority patent/SI1522347T1/sl
Priority to AT04405587T priority patent/ATE366622T1/de
Priority to EP04405587A priority patent/EP1522347B1/de
Publication of EP1522346A1 publication Critical patent/EP1522346A1/de
Withdrawn legal-status Critical Current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
    • F28F25/06—Spray nozzles or spray pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor

Definitions

  • the invention relates to a distribution nozzle for distributing a fluid and a Process for wetting a predefinable area around the distribution nozzle according to the preamble of the independent claim of the respective Category. Furthermore, the invention relates to a cooling tower with such Distribution nozzle, which is operable by a method according to the invention.
  • Distribution nozzles are widely used as atomizing nozzles for atomization a fluid in cooling devices, in particular in cooling towers used. It is in the context of this application under a cooling tower each Component of an open or closed refrigeration cycle, which includes an open or closed housing and the distribution nozzles in the Has meaning of this application for cooling the fluid.
  • Equipment is the fluid to be cooled, such as the cooling water of a Coal, gas or nuclear power plant or a corresponding cooling fluid one other technical equipment, heat dissipated during operation obtained by one or more distribution nozzles for cooling in a second Medium, for example in air, atomized within the cooling tower, thereby the fluid can give off part of its heat energy to the environment.
  • the fluid does not necessarily have to be water. Also any other liquid coolant, such as alcohol, or even one to be cooled gas can be distributed as in the distribution nozzle or to atomizing fluid come into question.
  • any other liquid coolant such as alcohol, or even one to be cooled gas can be distributed as in the distribution nozzle or to atomizing fluid come into question.
  • a distribution nozzle in the form of a Spray nozzle known to be a nozzle and a conical, with a variety of Opened diverter, as well as a holding device includes, which holds the diverter in the distance from the nozzle and widened away from this. This is to wetting an environment of Spray nozzle a jet of liquid from the nozzle to the conical Guided diverter, which in the direction of flow of the Liquid jet diverges, passing through the openings in concentric circles about a central axis of the diverging member are arranged, one about the central axis rotationally symmetric field of Spray is generated.
  • a large cooling tower for example a cooling tower of a power plant for Generation of electrical energy, can several thousands of such distribution nozzles exhibit on a floor area of several thousand square meters can be distributed regularly.
  • the nozzles can, for example, on one be arranged rectangular or square grid, that of a System is formed by supply lines and the distribution nozzles the Feeds cooling water.
  • the cooling water is sprayed in the cooling tower, so that the Cooling water a part of its heat energy to those in the cooling tower Can give off cooling air.
  • the known from the prior art distribution nozzles such as the Spray nozzles DE 1 947 898, are preferred in a relative arranged close to each other, so by overlaying the through individual spray nozzles sprayable surfaces, one more or less full utilization of the area to be sprayed achieved in the cooling tower can be. Since the known spray nozzles, as explained above, an im provide essentially rotationally symmetrical spray pattern, arise either Wholly or partially irrigated or poorly irrigated areas, the for heat and mass transfer either no or only one provide insubstantial contribution. Or those of neighboring spray nozzles wetted areas overlap sufficiently far, but this has the consequence that due to the circular geometry different areas are different be heavily wetted, which has undesirable thermal effects and significantly reduces the cooling efficiency.
  • an improved distribution nozzle for a cooling tower as well as an improved Method for wetting a predeterminable area around a distribution nozzle suggest an improvement in cooling compared to the known spray nozzles is achieved, so that the cooling process significantly more efficient and more energy-efficient and thus more cost-effective let represent.
  • the distribution nozzle according to the invention for distributing a fluid comprises a Holding device for fixing a diverging element, as well as a Inlet nozzle with a nozzle mouth for acting on the Diverging element with the fluid, wherein the diverting element a Variety of spray holes for the production of spray from the Has fluid.
  • the spray holes are designed and arranged with respect to a central axis of the diverging element that in Operating state, an emission angle of the sprays in dependence of a measured about the central axis polar angle after a predetermined Scheme varies.
  • the radiation angle of the spray jets in the Distributing nozzle according to the invention with the polar angle about the central axis varies according to a predeterminable scheme, it is possible to use surfaces with any limitation around the distribution nozzle according to the invention completely uniformly wetted with the fluid, for example, with cooling water.
  • the inlet nozzle receives the fluid, e.g. the cooling water or another suitable liquid or gaseous cooling fluid, by means of a Supply line supplied under a predetermined supply pressure, so that the fluid under a predetermined working pressure through the inlet nozzle leaves the nozzle mouth and the diverging element to image formation of Sprühstrahlen applied with the fluid.
  • the sprays are through formed the plurality of spray holes of the diverging element, wherein the spray holes designed and with respect to the center axis of the Arranging element are arranged that the spray jets in Depending on the polar angle impressed different beam angles so that due to the throw parabolas of spraying an area with specifiable geometric boundary is wettable. So are oval areas, triangular areas, rectangular, especially square Areas, or any other limited areas around the distribution nozzle around evenly wettable.
  • the spray holes themselves which are around the central axis of the Scattering element are arranged, can in a conventional manner round, elliptical, triangular, rectangular, in the shape of an arc segment, or of be bounded by any other suitable form.
  • one or more lateral wall boundaries diverge from this Openings away from the inlet nozzle with respect to the central axis of the Scattering element.
  • the distribution angle of the spray jets varies depending on a distance to the central axis of the Scattering element. That is, the spray holes are like that designed and with respect to the central axis in the diverting element arranged that the emission angle of the spray jets both a function of the polar angle, as well as the distance of the spray hole from the Center axis is.
  • the Sprühbohronne configured and with respect to the center axis of the Arranged diverging element that the radiation angle of the spray jets as a function of the polar angle and the distance from the central axis, such varies that a substantially rectangular base around the Distribution nozzle is evenly wetted. That is, the spray holes are arranged and configured such that sprays on different, for example, parabolic webs, depending on Polar angle and depending on the distance to the central axis of the Diverging element on a substantially rectangular base be distributed.
  • the spray holes in concentric Circles with predeterminable radii arranged at a distance around the central axis are advantageousous but not necessary.
  • the spray holes in special cases in otherwise, for example, on parallel elliptical orbits, in a straight line limited orbits, such as on quadrangular or triangular tracks or in special also in any other suitable form in the Arranged scattering element.
  • the diverting element itself preferably has a relation to the Center axis and in a direction away from the nozzle mouth, funnel-shaped expanding mold on.
  • the diverting element for example, have a concave curved cross-section.
  • the distribution nozzle according to the invention has the diverging element has a substantially triangular cross-section and in another preferred embodiment, the Diverging element on a convex curved cross-section. Even understandably can for special requirements the cross section of the Diverging element also have any other suitable shape.
  • the inventive method for wetting a predetermined area around a distribution nozzle with a fluid is carried out with a distribution nozzle, a holding device for fixing a diverging element, as well an inlet nozzle with a nozzle mouth for acting on the Diverging element comprising the fluid, wherein the Dispersing element to produce a variety of spray holes Having sprays from the fluid and the spray holes so configured and with respect to a central axis of the diverging element are arranged that in the operating state, a radiation angle of the Spraying in response to a measured about the central axis Polar angle varies according to a given scheme. It will According to the invention, the emission angle of the spray jets adjusted so that a substantially rectangular area around the distribution nozzle evenly is wetted.
  • the invention also relates to a cooling device, in particular a cooling tower, with one of the previously described Verteildüse, the can be operated according to a method according to the invention.
  • Fig. 1 shows a schematic representation of an inventive Distributing nozzle, which in the following by the reference numeral 1 referred to as.
  • the distribution nozzle 1 for distributing a fluid 2 comprises a Holding device 3, in which a diverging element 4 and a Inlet nozzle 5 is fixed with a nozzle mouth 6.
  • the nozzle mouth 6 tapers to an outlet opening 61 in the direction of the diverting element 4, wherein the inlet nozzle 5 according to the representation below the Scattering element 4 is placed in the holding device 3 so that the Discharge element 4 for the formation of spray jets 8 through the Outlet opening 61 is acted upon by the fluid 2.
  • the inlet nozzle 5 has an inlet opening 51 for the fluid 2, so that the inlet nozzle 5 via the inlet opening 51st from a supply line 9, which is connected to the distribution nozzle 1, with Fluid 2 can be supplied.
  • the fluid 2 is in the Supply line 9 preferably under a prescribable supply pressure, so that the fluid 2 under a predeterminable working pressure the inlet nozzle. 5 through the nozzle mouth 6 leaves and so the diverting element 4 for Formation of spray jets 8 with the fluid 2 applied.
  • the diverting element 4 has in the preferred shown in Fig. 1 Embodiment one with respect to the central axis M funnel-shaped, in a direction away from the nozzle mouth 6 direction widening mold with a concave curved cross section.
  • the diverter 4 has a plurality of spray holes 7 which preferably, but not necessarily, as shown schematically in Fig. 1, on concentric circles with radius R at a distance A from the central axis M. are arranged.
  • Fig. 1 are the spray holes 7 as substantially cylindrical openings of circular cross-section executed, wherein a central axis 71 of the bore 7 so with respect to a perpendicular to the central axis M imaginary plane at the Abstrahlkwinkel ⁇ is inclined that the corresponding formed by the spray hole 7 Spray jet 8 substantially at the same beam angle ⁇ the Spray hole 7 leaves.
  • the angle ⁇ depends not only on the distance A. the spray hole 7 to the central axis M, but also from the polar angle ⁇ , below which the spray hole 7 is arranged with respect to the center axis M.
  • Fig. 2 is a section along the line II - II according to FIG. 1 schematically shown.
  • the spray holes 7 are in concentric circles with radius R arranged at a distance A about the central axis M.
  • the respective central axes 71, 72 different spray holes 7 are so in relation to a perpendicular to the central axis M imaginary plane at the beam angle ⁇ inclined that the corresponding formed by the spray hole 7 Spray jet 8 substantially at the same beam angle ⁇ the Spray hole 7 leaves.
  • the emission angle ⁇ varies Spraying 8 both as a function of the distance A to the center axis M, as also in dependence on the polar angle ⁇ , under which the spray hole 7 in relation is arranged on the central axis M.
  • the spray holes 7 are arranged so that a substantially square area 10 with fluid 2 is uniformly wetted by the distribution nozzle 1.
  • two spray jets 81 and 82 are shown by way of example, emanating from two different spray holes 7 with different central axes 71 and 72.
  • the two different bores 7 with the respective center axes 71 and 72 are arranged at the same distance A under the same radius R, but at two different polar angles ⁇ 1 and ⁇ 2 with respect to the central axis M of the diverging element 4.
  • the spray jet 81 has an emission angle ⁇ 1 and the spray jet 82 an emission angle ⁇ 2 , wherein in the present example the emission angle ⁇ 1 has a smaller value than the emission angle ⁇ 2 , since the spray jet 81 runs in the direction of a diagonal of the square-defined area 10 to be wetted, and thus has to bridge a greater distance than the spray jet 72, which therefore leaves the associated spray hole 7 at a larger radiation angle ⁇ 2 .
  • Verteildüsen 1 in one rectangular grid, for example within a cooling tower, it is possible that the wetted by adjacent distribution nozzles 1 areas 10 to touch their straight edges, so that, for example, a larger area of several distribution nozzles 1 is wetted so that in essentially no overlapping of the various distribution nozzles 1 wetted areas 10 occurs and also edge losses, for example in a rectangular cooling tower, be avoided.
  • the distribution nozzle By using the distribution nozzle according to the invention, it is possible to Areas and areas of any boundary, in particular rectangular or square areas completely uniformly irrigate without remain irrigated or insufficiently watered area or certain areas of two or more different distribution nozzles irrigated simultaneously and overlapping. This will be the well-known Disadvantages which are known from the prior art Divide nozzles with rotationally symmetrical spray pattern result, completely overcome. Thus, in particular a significant improvement in the Cooling achieved in comparison to the known distribution nozzles, so that the cooling process much more efficient and energy efficient and thus more cost-effective.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Inorganic Insulating Materials (AREA)
EP03405723A 2003-10-08 2003-10-08 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse Withdrawn EP1522346A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP03405723A EP1522346A1 (de) 2003-10-08 2003-10-08 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse
DE502004004279T DE502004004279D1 (de) 2003-10-08 2004-09-17 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse
ES04405587T ES2289469T3 (es) 2003-10-08 2004-09-17 Boquilla de distribucion y metodo para la humectacion de una zona predeterminable con tal boquilla de distribucion.
SI200430440T SI1522347T1 (sl) 2003-10-08 2004-09-17 Distribucijska šoba in postopek za omočitev predhodno določenega področja s takšno distribucijsko šobo
AT04405587T ATE366622T1 (de) 2003-10-08 2004-09-17 Verteildüse, sowie verfahren zur benetzung eines vorgebbaren bereichs mit einer solchen verteildüse
EP04405587A EP1522347B1 (de) 2003-10-08 2004-09-17 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405723A EP1522346A1 (de) 2003-10-08 2003-10-08 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse

Publications (1)

Publication Number Publication Date
EP1522346A1 true EP1522346A1 (de) 2005-04-13

Family

ID=34307065

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03405723A Withdrawn EP1522346A1 (de) 2003-10-08 2003-10-08 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse
EP04405587A Expired - Lifetime EP1522347B1 (de) 2003-10-08 2004-09-17 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04405587A Expired - Lifetime EP1522347B1 (de) 2003-10-08 2004-09-17 Verteildüse, sowie Verfahren zur Benetzung eines vorgebbaren Bereichs mit einer solchen Verteildüse

Country Status (5)

Country Link
EP (2) EP1522346A1 (es)
AT (1) ATE366622T1 (es)
DE (1) DE502004004279D1 (es)
ES (1) ES2289469T3 (es)
SI (1) SI1522347T1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102109296A (zh) * 2010-12-31 2011-06-29 山东西王药业有限公司 凉水塔用喷头

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2390010B1 (en) * 2010-05-28 2014-03-12 EP Systems SA Nozzle body for an ultrasonic liquid droplet spray device
DE102011114382A1 (de) 2011-09-23 2013-03-28 Dürr Systems GmbH Beschichtungsverfahren und Beschichtungseinrichtung mit einer Kompensation von Unsymmetrien des Sprühstrahls

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE408676C (de) * 1923-06-19 1925-01-26 Karl Ludwig Lanninger Kalottenfoermiger Wasserverteiler zum Beregnen von Vierecksflaechen
US1539331A (en) * 1923-03-12 1925-05-26 Henry M Siemann Lawn sprinkler
US1717887A (en) * 1927-06-01 1929-06-18 Walter G Noack Sprinkler
FR1376493A (fr) * 1963-01-31 1964-10-31 Dispositif perfectionné pour l'arrosage par aspersion de surfaces de formes géométriques variées
DE1947898A1 (de) 1968-09-25 1970-04-02 Ham Alexander Jan Spruehduese
US3533560A (en) * 1968-02-12 1970-10-13 Munters & Co Carl Cooling tower spray nozzle
US5143657A (en) * 1991-06-13 1992-09-01 Curtis Harold D Fluid distributor
US5180103A (en) * 1991-07-31 1993-01-19 Amsted Industries Incorporated Spray nozzle fluid distribution system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1539331A (en) * 1923-03-12 1925-05-26 Henry M Siemann Lawn sprinkler
DE408676C (de) * 1923-06-19 1925-01-26 Karl Ludwig Lanninger Kalottenfoermiger Wasserverteiler zum Beregnen von Vierecksflaechen
US1717887A (en) * 1927-06-01 1929-06-18 Walter G Noack Sprinkler
FR1376493A (fr) * 1963-01-31 1964-10-31 Dispositif perfectionné pour l'arrosage par aspersion de surfaces de formes géométriques variées
US3533560A (en) * 1968-02-12 1970-10-13 Munters & Co Carl Cooling tower spray nozzle
DE1947898A1 (de) 1968-09-25 1970-04-02 Ham Alexander Jan Spruehduese
US5143657A (en) * 1991-06-13 1992-09-01 Curtis Harold D Fluid distributor
US5180103A (en) * 1991-07-31 1993-01-19 Amsted Industries Incorporated Spray nozzle fluid distribution system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102109296A (zh) * 2010-12-31 2011-06-29 山东西王药业有限公司 凉水塔用喷头

Also Published As

Publication number Publication date
EP1522347A1 (de) 2005-04-13
SI1522347T1 (sl) 2007-12-31
ATE366622T1 (de) 2007-08-15
DE502004004279D1 (de) 2007-08-23
ES2289469T3 (es) 2008-02-01
EP1522347B1 (de) 2007-07-11

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