EP1062049A1 - Dispositif de nettoyage de reservoir - Google Patents

Dispositif de nettoyage de reservoir

Info

Publication number
EP1062049A1
EP1062049A1 EP99910236A EP99910236A EP1062049A1 EP 1062049 A1 EP1062049 A1 EP 1062049A1 EP 99910236 A EP99910236 A EP 99910236A EP 99910236 A EP99910236 A EP 99910236A EP 1062049 A1 EP1062049 A1 EP 1062049A1
Authority
EP
European Patent Office
Prior art keywords
rotation
axis
cleaning device
tank
nozzle arrangement
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.)
Granted
Application number
EP99910236A
Other languages
German (de)
English (en)
Other versions
EP1062049B1 (fr
Inventor
Robert A. Owens
Poul Anton Daugaard
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.)
Alfa Laval Kolding AS
Original Assignee
Alfa Laval LKM AS
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 Alfa Laval LKM AS filed Critical Alfa Laval LKM AS
Publication of EP1062049A1 publication Critical patent/EP1062049A1/fr
Application granted granted Critical
Publication of EP1062049B1 publication Critical patent/EP1062049B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B05B3/0417—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 comprising a liquid driven rotor, e.g. a turbine
    • B05B3/0444—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 comprising a liquid driven rotor, e.g. a turbine the movement of the outlet elements being a combination of two movements, one being rotational
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets

Definitions

  • the invention relates to a tank cleaning device with a housing which can be inserted into an opening of a tank, which has a non-rotatable housing part connected to a supply line for the cleaning liquid and a nozzle holder which can be rotated about a first axis of rotation relative to the non-rotatable housing part, and with at least one on the nozzle holder about a second axis of rotation rotatable nozzle arrangement with four nozzles.
  • a similar tank cleaning device is known from EP 0 430 659 A2.
  • This known tank cleaning device has a narrow housing that can also be inserted into a narrow tank opening.
  • the nozzle arrangement has only two nozzles, which are arranged at an angle of 180 ° to one another. When the housing is inserted into a narrow tank opening, the nozzle arrangement is rotated so that the common axis of the two nozzles is parallel to the longitudinal axis of the housing.
  • the tank opening therefore only needs a slightly larger one
  • a small tank opening can advantageously be manufactured much more cost-effectively than a large one.
  • the two nozzles generate during the
  • the cleaning time cannot be increased because the liquid jets always run on the same path.
  • the cleaning density has been reduced by the arrangement of four instead of two nozzles.
  • the four nozzles in the known nozzle arrangements are always arranged at equal angular intervals of 90 ° to one another.
  • the reason for this is that the nozzles in the known tank cleaning devices rotate uniformly about a usually horizontally arranged axis of rotation, while the entire nozzle arrangement rotates uniformly about a usually vertical axis of rotation. Given the uniform 90 ° angular spacing of the nozzles, there is therefore a uniform spray pattern on the inside of the tank without major gaps.
  • the known nozzle arrangements with four nozzles have the disadvantage, however, that when they are introduced into a narrow tank opening, not all nozzle axes can be set parallel to Gehauselangsach.se, at least not without further complex structural measures. In the case of very narrow tank openings, one is therefore forced to shorten the nozzle length, but this leads to poorer quality of the liquid jet and less effective cleaning with poorer cleaning results. However, this means that so far there is no tank cleaning device with four nozzles that pass through a narrow tank opening 3 fits and still delivers a cleaning-effective liquid jet.
  • the object is achieved according to the invention in that two nozzles of the nozzle arrangement are arranged at an acute angle to one another as a V-formation, the two V-formations pointing essentially in opposite directions.
  • the arrangement of the nozzles according to the invention in an acute-angled V-formation can produce a uniform spray pattern without major gaps. If one rotates this nozzle arrangement in such a way that one V-formation points upwards and the other points downwards, then the longer extension of the nozzle arrangement is oriented in the direction of the longitudinal axis of the housing. The minimum required diameter of the tank opening is then only determined by the width of the housing and the narrower extent of the nozzle arrangement.
  • the rotation of the nozzle holder about the first axis of rotation and the rotation of the nozzle arrangement about the second axis of rotation are mechanically coupled to one another and have a fixed relationship to one another, so that the spray pattern is repeated after a certain number of revolutions, and that the acute angles of the V formations are matched to the ratio of the two rotations with a view to a uniform spray pattern.
  • a clever choice of the acute angle can then achieve a uniform one 4
  • Spray patterns are generated without major gaps, which essentially does not differ from the spray pattern of known tank cleaning devices with four nozzles arranged at right angles.
  • first axis of rotation coincides with the longitudinal axis of the housing and is arranged perpendicular to the second axis of rotation and if the ratio of the two rotations is 45:43, then it is optimal with regard to a uniform spray pattern that the acute angles of the V-formations are approximately 40 °. With this arrangement of the axes of rotation, uniform rotary movements can be generated with simple means.
  • the nozzles can be used optimally small installation space can advantageously be long to ensure quality 5 of the liquid jet and improve the effectiveness of cleaning.
  • a turbine and a gear for driving the rotatable nozzle arrangement are arranged such that the cleaning fluid flowing in under pressure from the supply line flows through the housing and drives the turbine before it emerges from the nozzles, one receives one slim device that m narrow for imports
  • Tank openings is suitable and contains a simple drive for the two rotary movements to ensure thorough and even cleaning of the tank interior.
  • the invention can be further improved by providing a play of approximately 180 ° between an element driving the rotary movement of the nozzle arrangement about the second axis of rotation and the drive shaft of the nozzle arrangement. This enables the nozzle arrangement to be aligned in the longitudinal direction of the housing from any desired rotational position in the region of the play, without the rotary drive having to be activated. It is therefore possible that the narrow tank opening for importing m may not be correctly positioned
  • Hub area of a bevel gear rotatably mounted on the drive shaft engages.
  • a plate-shaped facing in the hub area which is connected in a rotationally fixed manner to the drive shaft has an axially inwardly projecting and extending in the direction of rotation over an angular range of 90 °
  • the projections can easily be molded in during manufacture, in particular when casting bevel gear and facing, without the need for further work steps, such as inserting a pin into the drive shaft.
  • Figure 1 shows a tank cleaning device according to the invention in a plan view
  • Figure 2 is a side view of the same
  • FIG. 3 is a sectional view of the same tank cleaning device
  • Figure 4 shows a detail of an inventive
  • Figure 5 is a generated with the inventive tank cleaning device
  • Figure 6 shows a detail of the spray pattern of tank cleaning devices with four and with two nozzles in a direct comparison.
  • the tank cleaning device according to the invention shown in the figures consists of a housing 1 which can be inserted into a narrow tank opening (not shown) and therefore has a slim shape.
  • the housing has a non-rotatable housing part 2, which has a feed opening 3 on its upper side for connecting a feed line (not shown) for the cleaning fluid.
  • the housing 1 has a nozzle holder 4 which is arranged such that it can rotate about a first axis of rotation 5 with respect to the non-rotatable housing part 2.
  • a nozzle arrangement 6 is mounted on the nozzle holder 4 so as to be rotatable about a second axis of rotation 7.
  • the nozzle arrangement 6 has four nozzles 8, 9, 10, 11, of which two 8, 9 and 10, 11 each have a tip
  • Angles 12 of approximately 40 ° to one another are arranged as a V formation 13 or 14.
  • the tank cleaning device can be introduced even in very narrow tank openings.
  • the two V-formations 13, 14 are arranged symmetrically to one another, the nozzles 9 and 10 pointing in opposite directions 15 on the one hand, and the nozzles 8 and 11 pointing in corresponding opposite directions on the other hand.
  • the V formations 13, 14 are also offset from one another so that their tips 16, 17 are at a distance from the second axis of rotation 7.
  • the connecting line 18 between the two tips 16, 17 is approximately perpendicular to the respective bisector 19, 20 of the two acute angles 12.
  • the two V-formations 13, 14 can also be used differently to improve the compactness of the nozzle arrangement 4 than in the exemplary embodiment shown offset, in particular shifted along the bisector 19, 20, may be arranged.
  • the first axis of rotation 5 is arranged perpendicular to the second axis of rotation 7 and coincides with the longitudinal axis of the housing 1.
  • the rotatable housing part 2 is elongated and narrow so that it fits through narrow tank openings. Cleaning fluid flows under pressure into the interior of the housing 1 through the supply opening 3.
  • a turbine 21 with a stator 22 and a rotor 23 is arranged in the housing part 2.
  • the rotor 23 is seated on a rotor shaft 24 to which a sun gear 25 of a planetary gear 26 is also connected in a rotationally fixed manner.
  • the cleaning fluid flows through the blades of the stator 22 and the rotor 23 and drives them.
  • the rotor 23 rotates the sun gear 25 and this drives first rotating gear wheels 27, which in turn are connected in a rotationally fixed manner to second rotating gear wheels 28.
  • the second gear wheels 28 run on an internal toothing 29 of a rotating part 30, which is connected in a rotationally fixed manner to the rotatable nozzle holder 4.
  • the first gear wheels 27 run on an internal toothing 31 of the rotationally fixed housing part 2.
  • the two gear wheels 27, 28 have the same number of teeth.
  • One internal toothing 29 has a different number of teeth by one tooth than the other internal toothing 31, so that after one revolution of the two toothed wheels 27, 28 the rotating part 30 and the nozzle holder 4 correspond to the difference in the number of teeth by a small angle with respect to that have rotated housing part 2.
  • the non-rotatable housing part 2 has in its lower area a conical toothing 32 which is in engagement with a bevel gear 33 m arranged on the second axis of rotation 7.
  • the bevel gear 33 is connected in a rotationally fixed manner to the nozzle arrangement 6 which is rotatably mounted about the second axis of rotation 7. If the turbine drive forcibly rotates the nozzle holder 4 about the first axis of rotation 5, then the second axis of rotation 7 is pivoted and the bevel gear 33 rolls on the conical toothing 32 of the rotationally fixed housing part 2.
  • the bevel gear 33 rotates the nozzle arrangement 6 about the second axis of rotation 7. Both rotary movements take place uniformly.
  • the conical toothing 32 has 45 teeth, while the bevel gear 33 has only 43 teeth. This means that the spray pattern generated by the nozzles 8, 9, 10, 11 only after 45 revolutions of the 10
  • the mechanical coupling with the fixed ratio of 45:43 between the two rotary movements together with the acute angle 12 of 40 ° results in an optimal match.
  • the cleaning fluid also flows through the planetary gear 26 and then reaches the nozzle holder 4, from where it is pressed into the nozzle arrangement 6, in order to finally emerge from the nozzles 8, 9, 10, 11 and to spray off the inside surface of the tank. Due to the uniform double rotation about the two axes of rotation 5, 7, a spray pattern is generated which covers the inside of the tank evenly.
  • FIG. 5 Such a spray pattern is shown in FIG. 5.
  • the webs drawn by the liquid jet are essentially evenly distributed over the inner surface of the tank.
  • Figure 6 shows a direct comparison between the spray patterns of a four-nozzle machine and a two-nozzle machine. As can easily be seen, the .distance between adjacent webs and the mesh size in a two-nozzle machine are twice as large as in a four-nozzle machine.
  • the pin 34 provided, which is pressed into a bore provided for this purpose in the drive shaft 36.
  • the pin 34 projects radially outwards and engages in a recess
  • the recess 35 in the hub area of the bevel gear 33 rotatably mounted on the drive shaft 36.
  • the recess 35 extends in the direction of rotation over an angular range of 180 °, so that the bevel gear 33 with respect to the drive shaft 36 within the 11
  • Angular play can rotate by up to 180 ° before the pin 34 strikes against one of the boundaries of the recess 35 in the direction of rotation and the drive shaft 36 is driven by the bevel gear 33.
  • This measure ensures free rotatability of the nozzle arrangement 6, which is connected in a rotationally fixed manner to the drive shaft 36, within the angular play with the bevel gear 33 stationary, so that alignment of the two V formations 13, 14 in the longitudinal direction of the housing is possible even when the drive is stationary.
  • a plate-shaped cover 37 which covers the rear side of the nozzle holder 4, is connected to the drive shaft 36 in a rotationally fixed manner and rotates together with it, and is equipped in its hub area with an axially inward projection 38
  • Direction of rotation extends over an angular range of 90 °.
  • the bevel gear 33 which is rotatably mounted on the drive shaft 36, is also equipped in its hub area with an axial projection 39 which projects axially outwards against the first projection 38 into the same axial area as this and also extends over an angular range of 90 ° in the direction of rotation extends.
  • the two projections 38, 39 together cover an angular range of 180 °, so that the relative rotation between the plate-shaped cover 37 and the bevel gear 33 is limited to the remaining angular range of likewise 180 ° by the projections 38, 39 abutting in the direction of rotation.
  • the bevel gear 33 can thus be rotated by up to 180 ° with respect to the blind 37 within the angular play, 12 before the projection 39 of the bevel gear 33 abuts the projection 38 of the cover 37 in the direction of rotation and the drive shaft 36 is driven by the bevel gear 33 via the cover 37.
  • a special spray nozzle 40 is provided, which is arranged in the upper region of the non-rotatable housing part 2 and whose spray direction is oriented downwards in the direction of the nozzle arrangement 6. Additional spray nozzles for self-cleaning can also be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne un dispositif de nettoyage de réservoir comportant un carter (1) pouvant être introduit dans l'ouverture d'un réservoir, qui présente une partie de carter (2) ne pouvant pas tourner, reliée à une conduite d'alimentation en liquide de nettoyage, et un porte-buses (4) pouvant tourner par rapport à la partie de carter (2) ne pouvant pas tourner, autour d'un premier axe de rotation (5), ainsi qu'au moins un ensemble de buses (6), comprenant quatre buses (8, 9, 10, 11), disposé de façon à pouvoir tourner autour d'un second axe de rotation (7). Ce dispositif de nettoyage permet, tout en ayant une structure simple, un nettoyage complet de réservoirs présentant des ouvertures étroites, lorsque chaque fois deux buses (8, 9; 10, 11) de l'ensemble de buses (6) sont disposées de façon à former un angle aigu (12), selon une configuration en V (13, 14), les deux configurations en V (13, 14) s'étendant sensiblement dans des sens opposés (15).
EP99910236A 1998-03-17 1999-02-18 Dispositif de nettoyage de reservoir Expired - Lifetime EP1062049B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19811421 1998-03-17
DE19811421A DE19811421C2 (de) 1998-03-17 1998-03-17 Tankreinigungsvorrichtung
PCT/EP1999/001063 WO1999047271A1 (fr) 1998-03-17 1999-02-18 Dispositif de nettoyage de reservoir

Publications (2)

Publication Number Publication Date
EP1062049A1 true EP1062049A1 (fr) 2000-12-27
EP1062049B1 EP1062049B1 (fr) 2004-04-21

Family

ID=7861102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99910236A Expired - Lifetime EP1062049B1 (fr) 1998-03-17 1999-02-18 Dispositif de nettoyage de reservoir

Country Status (5)

Country Link
US (1) US6460553B1 (fr)
EP (1) EP1062049B1 (fr)
DE (2) DE19811421C2 (fr)
DK (1) DK1062049T3 (fr)
WO (1) WO1999047271A1 (fr)

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Publication number Priority date Publication date Assignee Title
US6561199B2 (en) * 2001-05-31 2003-05-13 Gamajet Cleaning Systems, Inc. Cleaning apparatus especially adapted for cleaning vessels used for sanitary products, and method of using same
DE10208237C1 (de) 2002-02-26 2003-06-26 Tuchenhagen Gmbh Vorrichtung zur Innenreinigung von Behältern, z.B. Tanks
SE525909C2 (sv) * 2003-05-22 2005-05-24 Gen Ind Parts Ltd Anordning för invändig renspolning av utrymmen i behållare
US20060076041A1 (en) * 2004-10-13 2006-04-13 Acconda Lp Apparatus and Method for Cleaning Tanks
US8122898B2 (en) * 2004-10-13 2012-02-28 Aquajet Ltd. High-pressure apparatus and method for removing scale from a tank
DE102005038194B3 (de) * 2004-11-02 2006-07-20 Tuchenhagen Gmbh Behälterreinigungsvorrichtung
ES2561731T3 (es) 2004-11-02 2016-02-29 Gea Tuchenhagen Gmbh Dispositivo de limpieza de recipientes
DE102004052794B3 (de) * 2004-11-02 2005-10-06 Tuchenhagen Gmbh Behälterreinigungsvorrichtung
DE102005038193B4 (de) * 2005-08-12 2007-05-10 Tuchenhagen Gmbh Behälterreinigungsvorrichtung
WO2007003202A1 (fr) * 2005-07-06 2007-01-11 Cryocip A/S Systeme et procede de nettoyage d’une surface
WO2007090395A1 (fr) * 2006-02-08 2007-08-16 Alfa Laval Tank Equipment A/S Ensemble de nettoyage
EP1882914B1 (fr) 2006-07-25 2018-06-06 Sontec Sensorbau GmbH Procédé et dispositif destinés à la détermination de la présence ou de l'état d'un fluide ou d'un mélange de fluide
DE102006034882B3 (de) * 2006-07-25 2007-10-18 Tuchenhagen Gmbh Verfahren und Anordnung zur Überwachung der Beschwallung von Wandflächen mittels Flüssigkeitsstrahlen bei Reinigungsprozessen
SE530570E (sv) * 2006-11-16 2016-03-29 Scanjet Marine Ab Anordning för rengöring av slutna utrymmen
US7959741B2 (en) * 2008-12-18 2011-06-14 Ted Joseph Green Fuel tank cleaning method
SM201000065B (it) * 2010-05-31 2013-01-14 T & A Tecnologie E Ambiente S P A Impianto e metodo per la bonifica veloce di serbatoi interrati adibiti al contenimento di carburantiliquidi
ITMI20111665A1 (it) * 2011-09-16 2013-03-17 Bolondi Ivano Officina Meccanica Dispositivo di lavaggio volumetrico a spruzzo, del tipo a scomparsa e con chiusura stagna
DK2730345T3 (en) 2012-11-08 2016-10-24 Alfa Laval Corp Ab Fluid system with exhaust nozzle with two outputs
US10065221B2 (en) * 2013-06-28 2018-09-04 Nlb Corporation Spray cleaner head
EP3216527B1 (fr) 2014-12-22 2021-02-17 Alfa Laval Corporate AB Appareil d'éjection de liquide
JP6593580B2 (ja) * 2015-05-28 2019-10-23 シブヤマシナリー株式会社 洗浄装置
RU2606604C1 (ru) * 2015-08-21 2017-01-10 Открытое акционерное общество "Акционерная компания по транспорту нефти "Транснефть" (ОАО "АК "Транснефть") Эжекторное устройство установки для очистки резервуаров от отложений нефти и нефтепродуктов
EP3878560A1 (fr) * 2020-03-10 2021-09-15 Frank Zeitler Dispositif de nettoyage pour le nettoyage des parois intérieures des récipients ainsi que procédé associé
CN116748029B (zh) * 2023-06-21 2026-01-06 东莞市长原喷雾技术有限公司 一种瓶罐清洗喷嘴及其反向清洗系统

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Also Published As

Publication number Publication date
EP1062049B1 (fr) 2004-04-21
DE19811421A1 (de) 1999-09-23
WO1999047271A1 (fr) 1999-09-23
DK1062049T3 (da) 2004-06-01
DE19811421C2 (de) 2001-09-13
US6460553B1 (en) 2002-10-08
DE59909241D1 (de) 2004-05-27

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