EP1591166A1 - Lance hydraulique avec têtes de pulvérisation annulaires rotatives - Google Patents

Lance hydraulique avec têtes de pulvérisation annulaires rotatives Download PDF

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Publication number
EP1591166A1
EP1591166A1 EP04010072A EP04010072A EP1591166A1 EP 1591166 A1 EP1591166 A1 EP 1591166A1 EP 04010072 A EP04010072 A EP 04010072A EP 04010072 A EP04010072 A EP 04010072A EP 1591166 A1 EP1591166 A1 EP 1591166A1
Authority
EP
European Patent Office
Prior art keywords
spray
lance
heads
spray lance
hollow
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Withdrawn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
EP04010072A
Other languages
German (de)
English (en)
Inventor
Hermann Lange
Thomas Schenk
Wilhelm Hipp
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.)
Lechler GmbH
Original Assignee
Lechler 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 Lechler GmbH filed Critical Lechler GmbH
Priority to EP04010072A priority Critical patent/EP1591166A1/fr
Publication of EP1591166A1 publication Critical patent/EP1591166A1/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction

Definitions

  • the invention relates to a spray lance for generating at least one around a central longitudinal axis of the spray lance rotating fluid jet.
  • Spray lances are used, for example, for the internal cleaning of containers, Drums, containers and the like used.
  • a nozzle head for devices for the internal cleaning of containers in which a ring-like spray head rotatably mounted at the free end of a spray lance is.
  • the ring-like spray head is by means of a ball bearing on a Supported bearing ring at the end of the spray lance.
  • a rotary motion the spray head is by the means of an exiting liquid generated torque causes.
  • the ball bearing is also from a liquid flow passes through to prevent itself Store dirt or spray residue in the ball bearing.
  • the Spray head has an outwardly curved peripheral surface and is provided on its inside with a circumferential recess to to supply several spray nozzle openings with liquid to be sprayed.
  • the bearing ring on the spray lance is a circular cylindrical Opening provided to provide a flow connection between the Annulus in the spray head and the inside of the spray lance produce.
  • the annular spray head takes about twice in the radial direction Radius of the spray lance.
  • a spray lance for generating at least a circulating about a central longitudinal axis of the spray lance fluid jet provided in the at least two annular spray heads are provided, which surround the spray lance and rotatable on this and arranged spaced apart in the longitudinal direction of the spray lance are.
  • rotatable spray heads By providing at least two in the longitudinal direction of the spray lance spaced apart rotatable spray heads can face conventional spray lances significantly reduced cleaning time be achieved even with large container inner surfaces. Furthermore Especially with elongated containers, a delivery mechanism of the Sprayer be simplified because during the spray cleaning the Spray lance does not necessarily have to be moved relative to the container, because by two or more spray heads the entire container inner surface can be achieved in a single position of the spray lance.
  • the spray heads in the form of a circular cylindrical Pipe section formed.
  • the spray heads are each with at least a spray nozzle, which by means of a hole in the spray head realized and oriented so that when dispensing a spray a torque acting about the central longitudinal axis is generated.
  • the spray nozzle holes are different Spray heads designed so that when dispensing Spraying an opposite rotation of different spray heads is effected.
  • each of the spray heads on a hollow axle section arranged the spray lance, wherein between the Hollow axis portion and the respective spray head formed an annular space is, with the interior of the hollow shaft portion via through holes communicates with and on the side of the hollow axle formed by means of a circumferential recess in the hollow shaft portion is.
  • a Fluid supply to the rotating spray heads in easier Done way may be a spray head side Limiting the annulus by a parallel to the central longitudinal axis of the Spray lance running cylindrical surface, so that the spray heads can be made comparatively easy.
  • the spray heads can then be formed as cylindrical tube sections become.
  • the passage openings in the hollow shaft section as in the circumferential direction of the hollow shaft portion extending Slits formed.
  • each of the spray heads on a hollow axle section arranged the spray lance, wherein the hollow shaft section a substantially perpendicular to the central longitudinal axis of the spray lance arranged first stop for fixing the respective Spray head in a first, lying parallel to the central longitudinal axis Has longitudinal direction and wherein an opposite second stop for fixing the spray head in an opposite second Longitudinally on a part surrounding the hollow axis Sleeve is arranged.
  • each spray head in a simple manner be mounted, there first the spray heads on the respective hollow shaft section be postponed and then seen in the longitudinal direction be fixed by means of the sleeve.
  • the arrangement of each spray head allows on a separate hollow shaft portion of the spray lance it, a plurality of substantially equally shaped hollow shaft sections to form a spray lance with several rotating spray heads.
  • the sleeve is closed on one side End cap or designed as a connecting pipe.
  • a length of the spray lance for example, by such training be adjusted by a length of the spacer tube.
  • There no rotating spray heads are arranged on the spacer tube can be used for the spacer tube a thin-walled, commercial tube which, on the one hand, saves weight and on the other hand leads to a cost savings.
  • spray nozzle openings are at least one of the spray heads in a plane enclosing the central longitudinal axis aligned at an angle to the central longitudinal axis, that in this plane a spray coverage of about 300 ° is achieved.
  • a spray lance 10 according to the invention shown in FIG a tubular hollow axle 12, which with a through hole is provided and has a central longitudinal axis 14.
  • the Fig. 1 upper end of the hollow shaft 12 is provided with a connecting thread 16, on which a connector 18 is screwed.
  • the connection piece 18 is formed as a tube sleeve and in turn with a Connection thread 20 provided with the spray lance 10 to a Liquid supply line can be connected.
  • the spray lance 10th also provided with a connecting thread 22, on which a closure lid 24 is screwed.
  • the closure lid 24 closes the open end of the hollow shaft 12 sealingly.
  • the spray heads 26, 28 are arranged, which are rotatable relative to the hollow shaft 12 and concentric with the central longitudinal axis 14 arranged thereon are.
  • the spray heads 26, 28 are each as sections of a cylindrical Tube formed and each with spray nozzle holes 30a, 30b and 32a, 32b, 32c, 32d provided.
  • the spray nozzle bores 30a, 30b, 32a, 32b, 32c, 32d are each formed as cylindrical bores and arranged at different angles W to the central longitudinal axis 14.
  • the spray nozzle bores 30a, 30b are in the upper one in FIG Spray head 26 at an angle of more than 90 ° to the central longitudinal axis 14 are arranged and are thus directed in Fig. 1 obliquely above.
  • Several spray nozzle bores 30a are on a circumferential circle of the spray head 26 and a plurality of spray nozzle bores 30b are on another circumferential circle, spaced from the spray nozzle holes 30 a, the spray head 26 is arranged.
  • the spray nozzle bores 32a are on a circumferential circle of the Spray head 28 arranged and the spray nozzle bores 32b, 32c, 32d are on further longitudinally spaced circumferential circles arranged the spray head 28.
  • the spray nozzle bores 32a of the Spray head 28 are at right angles to the central longitudinal axis 14th aligned.
  • the spray nozzle bores 32b close to the central longitudinal axis 14 an angle of less than 90 ° and are shown in FIG 1 thus directed diagonally down.
  • the spray nozzle holes 32c close with the central longitudinal axis 14 at an angle with the central longitudinal axis 14, which is less than 90 ° and smaller than the angle, which include the spray nozzle bores 32 b with the central longitudinal axis 14.
  • the spray nozzle bores 32d close to the central longitudinal axis 14 an angle W, which is smaller than 90 ° and less than the angle is that of the spray nozzle holes 32c with the central longitudinal axis 14 include.
  • spray nozzle holes 30a, 30b, 32a, 32b, 32c, 32d causes a spray coverage of about 300 °. Since the spray heads 26, 28 during spraying around the central longitudinal axis Turn 14, thereby a container by means of the spray lance 10 can be reliably cleaned without being sprayed a shift of the spray lance 10 relative to the container necessarily is required.
  • the spray nozzle bores 30a, 30b, 32a, 32b, 32c, 32d are tangentially offset from the central longitudinal axis 14, that a rotary movement of the spray heads 26 and 28 at a liquid outlet is produced.
  • the spray nozzle bores 30a and 30b and the Spray nozzle bores 32a, 32b, 32c, 32d can thereby be aligned be that at a liquid outlet, the spray head 26 opposite to the spray head 28 rotates.
  • the spray heads 26, 28 are, as stated, rotatable on the hollow shaft 12 arranged and the hollow shaft 12 has within each spray head 26, 28 each have two annular bearing surfaces 34, 36, 38 and 40, respectively.
  • the Spray head 26 is seen in the radial direction on the bearing surfaces 34, 36 and the spray head 28 is seen in the radial direction on the bearing surfaces 38, 40 on.
  • a liquid film can thereby between the bearing surfaces 34, 36 and the spray head 26th or form between the bearing surfaces 38, 40 and the spray head 28, so that a very low-friction mounting of the spray heads 26, 28th is guaranteed.
  • the spray heads 26, 28 In the axial direction, the spray heads 26, 28 each fixed by two paragraphs.
  • One of the paragraphs is in each case formed by means of a circumferential axis 12 on the hollow shaft 42, 44 and the respective opposite paragraph 46, 48 is each by formed the end face of a screw-sleeve.
  • the spray head 26 thus becomes in a longitudinal direction pointing downwards in FIG Fixed by means of the circumferential shoulder 42 on the hollow shaft 12 and in the opposite longitudinal direction, in Fig. 1 up, fixed by means of the end face 46 of the connecting piece 18.
  • the location the end face 46 of the connecting piece 18 is exactly predetermined, since the hollow axle 12 has a peripheral shoulder 48, on which the End face 46 of the connecting piece 18 abuts and over the end face 46 protrudes in the radial direction.
  • the spray head 28 is in the in Fig.
  • annular space 50, 52 formed between the spray head 26th and the hollow axle 12 or between the spray head 28 and the hollow axle 12 each an annular space 50, 52 formed.
  • the annular spaces 50, 52 are in each case on the one hand by an inner peripheral surface of the Spray heads 26, 28 are limited, wherein the spray nozzle bores 30a, 30b, 32a, 32b, 32c, 32d of this, the annular space 50, 52 delimiting inner Peripheral surface go out.
  • the respective annulus 50, 52 through the outer peripheral surface of a circumferential recess limited in the hollow axle 12.
  • This embodiment of the annulus has the advantage that the spray heads 26, 28 as sections of a cylindrical tube can be formed because in interaction with the circumferential recesses in the hollow shaft 12 no further circumferential recess in the spray heads 26, 28 is required.
  • the annular spaces 50, 52 each have a plurality of slot-like passage openings 54 and 56 with the inner bore of the hollow shaft 12th in connection.
  • the passage openings 54, 56 are in the circumferential direction extended slots in the wall of the hollow shaft 12th educated.
  • the plurality of slot-like through openings 54, 56 are doing each other both in the circumferential direction and in the longitudinal direction the hollow shaft 12 offset from each other, so that a uniform Actuation of the annular spaces 50, 52 with liquid to be sprayed is ensured.
  • the hollow axle 12 and the spray heads 26, 28 may for example hardened steel, to wear as possible wear to ensure the spray lance 10.
  • FIG. 2 In the sectional view of FIG. 2 is a further embodiment of a spray lance 60 according to the invention.
  • This will be the spray lance 10 of FIG. 1 functionally identical components and elements of the spray lance 60 not explained again in detail.
  • spray lance 10 of FIG. 1 identical parts of the spray lance 60 are given the same reference numerals designated.
  • the spray lance 60 has the connector 18, at its free End is provided with a connecting thread and at its opposite End on a connecting thread of a first hollow shaft portion 62 is screwed.
  • the hollow axle section 62 has a central through hole and is next to the with the Connector 18 communicating connection thread at its opposite end with another connection thread 64 provided.
  • a spacer tube 66 is screwed, which also has a central through-bore.
  • a second hollow shaft portion 68 is provided, which is constructed identical to the first hollow-shaft section 62 and is screwed into the associated end of the spacer tube 66.
  • the closure lid 24 screwed.
  • the Spray head 26 On the first hollow shaft portion 62 is the Spray head 26 rotatably mounted and between the spray head 26 and the first hollow shaft portion 62 is comparable to Spray lance 10 of FIG. 1 formed an annular space.
  • the first hollow axle section 62 also has a comparable way to the spray lance 10 of FIG. 1 annular raceways, which faces the spray head 26 are as well as slot-like passages to connect between the central throughbore of the first hollow shaft section 62 and the annular space between the hollow shaft section 62 and spray head 26 produce.
  • the spray nozzle holes in the spray head 26 are not visible in the illustration of FIG. 2.
  • the Spray lance 10 of FIG. 1 is the spray head 26 in the longitudinal direction between fixed two circumferential paragraphs, wherein the bottom in FIG. 2 Paragraph is formed on the first hollow shaft portion 62 and the in 2 overhead circumferential shoulder through the face of the Connecting piece 18 is formed.
  • first hollow shaft section 62 and the second hollow shaft portion 68 formed identical. Like in the Fig. 2 can be seen, the second hollow shaft section opposite the first hollow shaft portion 62 only by 180 ° relative to the Tilted central longitudinal axis mounted on the spacer tube 66.
  • the spray lance 60 can thus be carried out essentially in any length, since only the length of the spacer tube 66 has to be changed.
  • the identical are formed to the hollow shaft portions 62, 68, also Sprayer lances are constructed with more than two rotating spray heads. It is only necessary to ensure that the respective spray heads before screwing into the connected spacer tube on the respective Hohlachsenabexcellent be postponed. All hollow shaft sections can be identical.
  • the hollow axle sections 62, 68 with respect to the hollow axle 12 of FIG. 1 are made significantly shorter. This can delay the hardening process the hollow shaft sections 62, 68 are significantly reduced.
  • all parts of the spray lance 60 except the Closure lid 24 made of a cylindrical tube as a semi-finished product become, whereby the processing time of the individual components substantially is reduced. After unscrewing the cap 24th can the spray lance 60 total flushed in a particularly simple manner or to be cleaned.

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EP04010072A 2004-04-28 2004-04-28 Lance hydraulique avec têtes de pulvérisation annulaires rotatives Withdrawn EP1591166A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04010072A EP1591166A1 (fr) 2004-04-28 2004-04-28 Lance hydraulique avec têtes de pulvérisation annulaires rotatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04010072A EP1591166A1 (fr) 2004-04-28 2004-04-28 Lance hydraulique avec têtes de pulvérisation annulaires rotatives

Publications (1)

Publication Number Publication Date
EP1591166A1 true EP1591166A1 (fr) 2005-11-02

Family

ID=34924768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04010072A Withdrawn EP1591166A1 (fr) 2004-04-28 2004-04-28 Lance hydraulique avec têtes de pulvérisation annulaires rotatives

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EP (1) EP1591166A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012022477A1 (fr) 2010-08-20 2012-02-23 Dürr Systems GmbH Buse pour l'application d'un agent d'enduction
CN114226087A (zh) * 2020-09-09 2022-03-25 克罗内斯股份公司 用于灌装设施的清洁喷嘴和用于安装清洁喷嘴的方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880938A (en) * 1957-12-23 1959-04-07 Gerald E Stewart Fluid pressure cleaning device
FR1597870A (fr) * 1968-12-16 1970-06-29
DE3009129A1 (de) * 1980-03-10 1981-09-17 Albrecht Wolhusen Wüthrich Rohrreinigungsgeraet fuer kanalisationsleitungen
US5078799A (en) * 1984-03-13 1992-01-07 Fiprosa Holding Process for recovering crude oil or refinery products from sludgy, thickened or sedimented products
US6098642A (en) * 1998-12-28 2000-08-08 Crane; Patrick Counter revolution sewer cleaning nozzle
WO2004020109A1 (fr) * 2002-08-10 2004-03-11 Ecolab Inc. Dispositif pour pulveriser des liquides

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880938A (en) * 1957-12-23 1959-04-07 Gerald E Stewart Fluid pressure cleaning device
FR1597870A (fr) * 1968-12-16 1970-06-29
DE3009129A1 (de) * 1980-03-10 1981-09-17 Albrecht Wolhusen Wüthrich Rohrreinigungsgeraet fuer kanalisationsleitungen
US5078799A (en) * 1984-03-13 1992-01-07 Fiprosa Holding Process for recovering crude oil or refinery products from sludgy, thickened or sedimented products
US6098642A (en) * 1998-12-28 2000-08-08 Crane; Patrick Counter revolution sewer cleaning nozzle
WO2004020109A1 (fr) * 2002-08-10 2004-03-11 Ecolab Inc. Dispositif pour pulveriser des liquides

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012022477A1 (fr) 2010-08-20 2012-02-23 Dürr Systems GmbH Buse pour l'application d'un agent d'enduction
DE102010034921A1 (de) * 2010-08-20 2012-02-23 Dürr Systems GmbH Düse zur Applikation eines Auftragsmittels
DE102010034921A8 (de) * 2010-08-20 2012-05-03 Dürr Systems GmbH Düse zur Applikation eines Auftragsmittels
CN103153484A (zh) * 2010-08-20 2013-06-12 杜尔系统有限责任公司 用于施涂涂覆剂的喷嘴
US20130216716A1 (en) * 2010-08-20 2013-08-22 Stefan Ströhlein Nozzle for applying a coating agent
JP2013536072A (ja) * 2010-08-20 2013-09-19 デュール システムズ ゲゼルシャフト ミット ベシュレンクテル ハフツング コーティング剤を塗布するためのノズル
US9138766B2 (en) 2010-08-20 2015-09-22 Durr Systems Gmbh Nozzle for applying a coating agent
RU2573506C2 (ru) * 2010-08-20 2016-01-20 Дюрр Системз Гмбх Насадка для нанесения наносимого средства
CN103153484B (zh) * 2010-08-20 2016-01-20 杜尔系统有限责任公司 用于施涂涂覆剂的喷嘴
CN114226087A (zh) * 2020-09-09 2022-03-25 克罗内斯股份公司 用于灌装设施的清洁喷嘴和用于安装清洁喷嘴的方法
JP2022050326A (ja) * 2020-09-09 2022-03-30 クロネス アーゲー 充填設備のための洗浄ノズル、および洗浄ノズルを組み立てる方法

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