EP2695684B1 - Waschsystem zum Waschen von Tanks oder dergleichen - Google Patents

Waschsystem zum Waschen von Tanks oder dergleichen Download PDF

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Publication number
EP2695684B1
EP2695684B1 EP12179364.0A EP12179364A EP2695684B1 EP 2695684 B1 EP2695684 B1 EP 2695684B1 EP 12179364 A EP12179364 A EP 12179364A EP 2695684 B1 EP2695684 B1 EP 2695684B1
Authority
EP
European Patent Office
Prior art keywords
washing
support
tank
guiding device
washing 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.)
Not-in-force
Application number
EP12179364.0A
Other languages
English (en)
French (fr)
Other versions
EP2695684A1 (de
Inventor
Leon Hjorslev
Jan Danielsson
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 Corporate AB
Original Assignee
Alfa Laval Corporate AB
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 Corporate AB filed Critical Alfa Laval Corporate AB
Priority to EP12179364.0A priority Critical patent/EP2695684B1/de
Priority to BR112015001923A priority patent/BR112015001923A2/pt
Priority to KR1020157005535A priority patent/KR101746306B1/ko
Priority to JP2015525792A priority patent/JP6055096B2/ja
Priority to CN201380041688.1A priority patent/CN104520025B/zh
Priority to PCT/EP2013/063653 priority patent/WO2014023476A1/en
Publication of EP2695684A1 publication Critical patent/EP2695684A1/de
Application granted granted Critical
Publication of EP2695684B1 publication Critical patent/EP2695684B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 washing system for washing of tanks, or the like.
  • the invention also relates to a support and guiding device for supporting and guiding a washing assembly in a washing system for washing of tanks or the like.
  • the invention relates to a washing assembly in a washing system for washing of tanks, or the like, wherein said washing assembly is insertable into and retractable from a tank to be washed.
  • washing assembly When a washing assembly of a washing system for washing tanks or the like is installed in a tank, the washing assembly is first inserted into the tank and thereafter supports for supporting the washing assembly have to be manually mounted by a person entering the tank.
  • Some examples of such washing systems are found in e.g. FR 2082439 , US 3745960 , US 4163455 , US4716917 and US3140828 .
  • Entering the tank is a risky work that must be made with outermost care. First of all the person entering the tank may fall and hurt himself. Secondly the goods transported in the tank could potentially be toxic, whereby the person entering the tank must wear proper protecting equipment.
  • the washing assembly When the washing assembly is to be removed from the tank a person must again enter the tank to dismount the supports supporting the washing assembly.
  • the cleaning agents used for washing the tank are most often also hazardous for humans whereby proper protecting equipment must again be used.
  • the mounting and dismounting of the supports supporting the washing assembly is time consuming, resulting in unwanted down time in the use of the tank during which the tank may not be used.
  • An object of the invention is to provide a washing system for washing tanks wherein the washing assembly of the washing system may be installed from the deck without going into the tank for mounting supports supporting the washing assembly.
  • a washing system for washing tanks or the like comprising a washing assembly insertable into and retractable from a tank to be washed, said washing assembly comprising a fluid delivery conduit, and a fluid outlet connected to the fluid delivery conduit.
  • the system further comprising a support and guiding device to be mounted inside the tank and to be arranged to guide said washing assembly through said support and guiding device when said washing assembly is inserted into and retracted from the tank and to support said washing assembly when said washing assembly is inserted in the tank.
  • a support and guiding device to be mounted inside the tank is used to guide said washing assembly through said support and guiding device when said washing assembly is inserted into the tank.
  • the support and guiding device is also used to support said washing assembly when said washing assembly is inserted in the tank.
  • the support and guiding device is also used to guide said washing assembly through said support and guiding device when said washing assembly is retracted from the tank.
  • the support and guiding device may be repeatedly used. Accordingly, the washing assembly may be repeatedly inserted and retracted from the tank without the need of manually mounting and dismounting any supports supporting the washing assembly inside the tank.
  • the washing assembly may be arranged to be rotatably supported in said support and guiding device.
  • the fluid delivery conduit is rotating simultaneously as the fluid outlets revolve or turn in relation to the fluid delivery conduit. By doing so the whole volume area of the tank may be reached by the washing fluid ejected from the fluid outlets.
  • the fluid delivery conduit may further comprise a bearing arranged to provide a longitudinal guiding surface and a radial support surface in view of said support and guiding device.
  • the bearing being circular, is adopted to bear against the internal circular surface of the support and guiding device.
  • Said support and guiding device may comprise a funnel shaped inlet section arranged to guide said fluid delivery conduit through said support and guiding device when said washing assembly is inserted into the tank, a circular cylindrical middle section arranged to support said fluid delivery conduit when said fluid delivery conduit is inserted in the tank and a funnel shaped outlet section arranged to guide said fluid delivery conduit through said support and guiding device when said fluid delivery conduit is retracted from the tank.
  • the funnel shaped inlet and outlet sections are advantageous since the funnel shape allows a very good guiding of the washing assembly. For example, if the fluid outlet is not directed along the fluid delivery conduit when the washing assembly in inserted in the tank or retracted from the tank the funnel shaped inlet section or outlet section, respectively, guides the fluid outlet to be oriented along the fluid delivery conduit.
  • the funnel shaped inlet and outlet allow a certain amount of angular adjustment of the washing assembly, especially when inserting the washing assembly into the tank.
  • the funnel shaped inlet section of the support and guiding device guides the washing assembly to be properly aligned with the middle section of the support and guiding device.
  • Said bearing may be a flange bearing circumferentially surrounding said fluid delivery conduit.
  • a flange bearing is a strong bearing being hard to bend and thus the lifetime of the bearing is long.
  • Said bearing may comprise a plurality of bearing sections distributed along the circumference of said fluid delivery conduit.
  • the bearing surface of said bearing may comprise a low friction material.
  • the low friction material is used in order to reduce the friction between the washing assembly and the support and guiding device, both when the washing assembly is guided through the support and guiding device and when the bearing is acting as a radial support surface when the washing assembly is supported by the support and guiding device.
  • the inner surface of said support and guiding device may comprise a low friction material.
  • the low friction material may be used in order to reduce the friction between the washing assembly and the support and guiding device both when the washing assembly is guided through the support and guiding device and when the bearing is acting as a radial support surface when the washing assembly is supported by the support and guiding device.
  • Said low friction material may be Polytetrafluoroethylene (PTFE).
  • PTFE Polytetrafluoroethylene
  • Said fluid delivery conduit may comprise a joint, wherein said bearing may be arranged at said joint.
  • Said washing assembly may further comprise an operation rod for maneuvering of said fluid outlet.
  • a support and guiding device for supporting and guiding a washing assembly in a washing system for washing of tanks, or the like.
  • the support and guiding device is arranged to be mounted inside a tank to be washed.
  • Said support and guiding device comprising: an inlet section arranged to guide said washing assembly through said support and guiding device when said washing assembly is inserted into the tank, a middle section arranged to support said washing assembly when said washing assembly is inserted in the tank, and an outlet section arranged to guide said washing assembly through said support and guiding device when said washing assembly is retracted from the tank.
  • Said inlet section may be funnel shaped, said middle section may be circular cylindrical and said outlet section may be funnel shaped.
  • a washing assembly in a washing system for washing of tanks, or the like is provided.
  • Said washing assembly is insertable into and retractable from a tank to be washed.
  • Said washing assembly comprising: a fluid delivery conduit and a fluid outlet connected to the fluid delivery conduit.
  • the fluid delivery conduit comprising a bearing arranged to provide a longitudinal guiding surface and a radial support surface in view of the support and guiding device according to the above.
  • the bearing surface of said bearing may comprise a low friction material.
  • Fig. 1 shows a system 1 for washing of tanks 2, or the like, according to one embodiment of the invention.
  • the system 1 is especially suited for washing of tanks in vessels or ships.
  • the system 1 comprises a washing assembly 10 as well as a plurality of support and guiding devices 20. Although a plurality of support and guiding devices are disclosed, it is to be understood that depending on the design of the tank, only one support and guiding device might be sufficient.
  • the washing assembly 10 is arranged to be inserted into the tank 2 when washing of the tank is needed and thereafter to be retracted from the tank 2 when the washing is completed.
  • Fig. 1 the washing assembly 10 is disclosed as inserted in the tank 2.
  • the washing assembly 10 has a mounting plate 11 which when the washing assembly 10 is inserted in the tank 2 is mounted on a top surface 3 of the tank 2.
  • the washing assembly 10 also comprises an inlet housing 12, a fluid delivery conduit 13, a plurality of fluid outlets 14 connected to the fluid delivery conduit 13 and a driving assembly 15.
  • the inlet housing 12 is located on top of and attached to the mounting plate 11.
  • the fluid delivery conduit 13 is rotatably mounted on the inlet housing 12.
  • the fluid delivery conduit 13 protrudes from the inlet housing 12 down into the tank 2 to be washed.
  • the fluid outlets 14 are pivotally mounted on the fluid delivery conduit 13.
  • the fluid outlets 14 are adopted to revolve or turn in relation to the fluid delivery conduit 13 while simultaneously rotating the fluid delivery conduit 13.
  • the washing assembly 10 further comprises a supply conduit 16.
  • the supply conduit 16 is adapted to feed washing fluid to the fluid delivery conduit 13 and through the fluid delivery conduit 13 to the fluid outlets 14 which are adapted to direct jets of washing fluid towards the interior walls or wall portions of the tank 2.
  • the flow of washing fluid may be pressurized.
  • the washing fluid is pressurized to a pressure of 3-12 bar but also higher pressurization may be used e.g. 25 bar.
  • the type of washing fluid may vary depending on the substance which has been stored in the tank 2 to be cleaned.
  • the washing fluid may e.g. be cold or hot water with or without additives. If the tank 2 has contained oil, the washing fluid may be heated oil which is used for removing impurities on the interior walls or wall portions of the tank 2.
  • suitable washing fluids also may be used in the system 1 for washing tanks 2, or the like.
  • the fluid delivery conduit 13 may be divided into a plurality of fluid delivery conduit sections 17.
  • the fluid delivery conduit sections 17 are joined together at joints 18 in order to form the fluid delivery conduit 13.
  • the length of the fluid delivery conduit 13 may be adapted to fit tanks of various depths.
  • the fluid delivery conduit sections 17 of the fluid delivery conduit 13 may have different lengths to better fit in the tank 2 to be cleaned.
  • the guiding devices 20 are mountable inside the tank 2.
  • the guiding devices 20 are arranged to be mounted on a stringer of the tank 2 or on a stay, or similar, inside the tank 2.
  • the guiding devices 20 are mounted on a respective stringer 4 of the tank 2.
  • the guiding devices 20 are arranged to guide said washing assembly 10 through said support and guiding devices 20 and to support it when said washing assembly 10 is inserted into and retracted from the tank 2.
  • the guiding devices 20 are preferably mounted at a distance of 1-10 meters, more preferably 3-8 meters and even more preferably 5-7 meters from each other inside the tank 2.
  • the distance between the guiding devices 20 depend on the size of the tank as well as on the rigidity of the fluid delivery conduit 13 of the washing assembly 10.
  • the fluid delivery conduit 13 further comprises a plurality of bearings 19.
  • the bearings are arranged to provide a longitudinal guiding surface and a radial support surface in view of said support and guiding device 20.
  • the fluid delivery conduit 13 is rotatably arranged within the support and guiding devices 20.
  • the bearings 19 are flange bearings circumferentially surrounding the fluid delivery conduit 13. It is however to be understood that other types of bearings might be equally suitable.
  • An example of a flange bearing circumferentially surrounding the fluid delivery conduit 13 is shown in Fig 3a .
  • the radial extension of the bearing 19 is adapted so that the bearings 19 fit inside the support and guiding device 20.
  • the radial extension of the bearing 19 corresponds to the internal diameter of a middle section 22 (see Fig. 2 ) of the support and guiding device 20.
  • the bearing surface of the bearing 19 bear against the internal surface of the middle section 22 of the support and guiding device 20.
  • the bearings 19 are arranged at joints 18 between two fluid delivery conduit sections 17.
  • the bearing surface of the bearings 19 may comprise a low friction material, e.g. Polytetrafluoroethylene (PTFE), or any other suitable low friction material.
  • PTFE Polytetrafluoroethylene
  • the low friction material is used in order to reduce the friction between the washing assembly 10 and the support and guiding device 20, both when the washing assembly 10 is guided through the support and guiding device 20 and when the bearing 19 is acting as a radial support surface when the washing assembly 10 is supported by the support and guiding device 20.
  • a guiding device 20 is shown in more detail.
  • the support and guiding device 20 is arranged to be mounted inside the tank to be washed.
  • the support and guiding device 20 is shown before it is mounted inside the tank.
  • the support and guiding device comprises an inlet section 21, a middle section 22 and an outlet section 23.
  • the inlet section 21 is funnel shaped.
  • the middle section 22 is circular cylindrical.
  • the outlet section 23 is funnel shaped.
  • the inlet section 21 is arranged to guide the washing assembly through the support and guiding device 20 when the washing assembly is inserted into the tank.
  • the middle section 22 is arranged to support the washing assembly when the washing assembly is inserted in the tank.
  • the outlet section 23 arranged to guide the washing assembly through said support and guiding device when the washing assembly is being retracted from the tank.
  • the guiding device 20 further comprises a mounting plate 24.
  • the mounting plate 24 is used for mounting the guiding device 20 to a stringer or stay located inside the tank.
  • the guiding device 20 is preferably made of a corrosion resistant material. Some examples of materials for manufacturing the guiding device 20 are stainless steel, aluminum, plastic material or a combination thereof. Moreover, a sheet material may be used for producing the guiding device 20.
  • the bearings 19 may comprise a plurality of bearing sections 19a distributed along the circumference of said fluid delivery conduit 13.
  • a bearing 19 is shown in Fig. 3b . It is however understood by the person skilled in the art that other kinds of bearings are also possible as long as the bearings are arranged to provide a longitudinal guiding surface and a radial support surface in view of said support and guiding device.
  • bearings may be arranged anywhere on the fluid delivery conduit, i.e. not necessarily at joints between two fluid delivery conduit sections.
  • the inner surface of the support and guiding device may comprise a low friction material, e.g. Polytetrafluoroethylene (PTFE), or the like.
  • the low friction material may be used in order to reduce the friction between the washing assembly and the support and guiding device both when the washing assembly is guided through the support and guiding device and when the bearing is acting as a radial support surface when the washing assembly is supported by the support and guiding device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (10)

  1. Waschsystem zum Waschen von Tanks oder dergleichen, wobei das System aufweist:
    eine Waschbaugruppe (10), die in einen zu waschenden Tank (2) eingesetzt und daraus zurückgezogen werden kann, wobei die Waschbaugruppe (10) aufweist:
    eine Fluidzuführleitung (13), und
    einen Fluidaustritt (14), der mit der Fluidzuführleitung (13) verbunden ist, wobei das System außerdem aufweist:
    eine Halte- und Führungsvorrichtung (20), die innerhalb des Tanks (2) montiert und angeordnet wird, um die Waschbaugruppe (10) durch die Halte- und Führungsvorrichtung (20) zu führen, wenn die Waschbaugruppe (10) in den Tank (2) eingesetzt und daraus zurückgezogen wird, und um die Waschbaugruppe (10) zu stützen, wenn die Waschbaugruppe (10) in den Tank (2) eingesetzt wird, wobei
    die Halte- und Führungsvorrichtung (20) aufweist: einen trichterförmigen Eintrittsabschnitt (21), der angeordnet ist, um die Waschbaugruppe (10) durch die Halte- und Führungsvorrichtung (20) zu führen, wenn die Waschbaugruppe (10) in den Tank (2) eingesetzt wird; einen kreisförmigen zylindrischen mittleren Abschnitt (22), der angeordnet ist, um die Waschbaugruppe (10) zu stützen, wenn die Waschbaugruppe (10) in den Tank (2) eingesetzt wird; und einen trichterförmigen Austrittsabschnitt (23), der angeordnet ist, um die Waschbaugruppe (10) durch die Halte- und Führungsvorrichtung (20) zu führen, wenn die Waschbaugruppe (10) aus dem Tank (2) zurückgezogen wird.
  2. Waschsystem nach Anspruch 1, bei dem die Waschbaugruppe (10) angeordnet ist, um drehbar in der Halte- und Führungsvorrichtung (20) aufgenommen zu werden.
  3. Waschsystem nach Anspruch 1 oder 2, bei dem die Fluidzuführleitung (13) außerdem ein Lager (19) aufweist, das angeordnet ist, um eine Längsführungsfläche und eine radiale Aufnahmefläche im Hinblick auf die Halte- und Führungsvorrichtung (20) bereitzustellen.
  4. Waschsystem nach einem der Ansprüche 1 bis 3, bei dem das Lager (19) ein Flanschlager ist, das peripher die Fluidzuführleitung (13) umgibt.
  5. Waschsystem nach einem der Ansprüche 1 bis 3, bei dem das Lager (19) eine Vielzahl von Lagerabschnitten (19a) aufweist, die längs des Umfanges der Fluidzuführleitung (13) verteilt sind.
  6. Waschsystem nach einem der Ansprüche 1 bis 5, bei dem eine Lagerfläche des Lagers (19) ein reibungsarmes Material aufweist.
  7. Waschsystem nach einem der Ansprüche 1 bis 6, bei dem die Innenfläche der Halte- und Führungsvorrichtung (20) ein reibungsarmes Material aufweist.
  8. Waschsystem nach Anspruch 6 oder 7, bei dem das reibungsarme Material Polytetrafluorethylen (PTFE) ist.
  9. Waschsystem nach einem der Ansprüche 1 bis 8, bei dem die Fluidzuführleitung (13) eine Verbindung (18) aufweist, und bei dem das Lager (19) in der Verbindung (18) angeordnet ist.
  10. Waschsystem nach einem der Ansprüche 1 bis 9, bei dem die Waschbaugruppe (10) außerdem einen Betätigungsstab für das Manövrieren des Fluidaustrittes (14) aufweist.
EP12179364.0A 2012-08-06 2012-08-06 Waschsystem zum Waschen von Tanks oder dergleichen Not-in-force EP2695684B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP12179364.0A EP2695684B1 (de) 2012-08-06 2012-08-06 Waschsystem zum Waschen von Tanks oder dergleichen
BR112015001923A BR112015001923A2 (pt) 2012-08-06 2013-06-28 sistema de lavagem, dispositivo de suporte, e, conjunto de lavagem em um sistema de lavagem
KR1020157005535A KR101746306B1 (ko) 2012-08-06 2013-06-28 탱크 등을 세척하기 위한 세척 시스템
JP2015525792A JP6055096B2 (ja) 2012-08-06 2013-06-28 タンク等の洗浄のための洗浄システム
CN201380041688.1A CN104520025B (zh) 2012-08-06 2013-06-28 用于冲洗罐等的冲洗系统
PCT/EP2013/063653 WO2014023476A1 (en) 2012-08-06 2013-06-28 Washing system for washing of tanks or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12179364.0A EP2695684B1 (de) 2012-08-06 2012-08-06 Waschsystem zum Waschen von Tanks oder dergleichen

Publications (2)

Publication Number Publication Date
EP2695684A1 EP2695684A1 (de) 2014-02-12
EP2695684B1 true EP2695684B1 (de) 2015-06-24

Family

ID=46799021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12179364.0A Not-in-force EP2695684B1 (de) 2012-08-06 2012-08-06 Waschsystem zum Waschen von Tanks oder dergleichen

Country Status (6)

Country Link
EP (1) EP2695684B1 (de)
JP (1) JP6055096B2 (de)
KR (1) KR101746306B1 (de)
CN (1) CN104520025B (de)
BR (1) BR112015001923A2 (de)
WO (1) WO2014023476A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9656308B2 (en) 2015-07-10 2017-05-23 NGL Solids Solutions, LLC Systems and processes for cleaning tanker truck interiors
US10589287B2 (en) 2015-07-10 2020-03-17 NGL Solids Solutions, LLC Systems and methods for oil field solid waste processing for re-injection
US9925572B2 (en) 2015-07-10 2018-03-27 NGL Solids Solutions, LLC Devices, systems, and processes for cleaning the interiors of frac tanks
KR101973932B1 (ko) 2018-10-05 2019-04-30 정두섭 탱크 클리닝장치
US11911732B2 (en) 2020-04-03 2024-02-27 Nublu Innovations, Llc Oilfield deep well processing and injection facility and methods

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065760A (en) * 1960-02-12 1962-11-27 Dimitrios J Cailas Stabilizing attachment for tank washing machines
US3140828A (en) 1963-02-26 1964-07-14 Theodore E Ferris & Sons Tank washing system
US3121027A (en) * 1963-02-26 1964-02-11 Theodore E Ferris & Sons Tank washing system
US3182669A (en) * 1963-03-30 1965-05-11 Algonquin Shipping & Trading Combined tanker service unit
FR2082439A5 (en) * 1970-03-16 1971-12-10 Ouest Ateliers Francais Petroleum tankers - esp fitted with tank washing equipment
US3745960A (en) * 1971-05-06 1973-07-17 Exxon Research Engineering Co Tanker vessel
JPS50127886U (de) * 1974-04-05 1975-10-20
US4163455A (en) * 1977-11-14 1979-08-07 Herbert Chris J Cleaning apparatus for ship holds
SE456891C (sv) 1985-07-08 1995-10-16 Schmidt Ernst L Spolanordning för spolning av tankar eller cisterner
DE3610496C2 (de) * 1986-03-27 1995-06-29 Sobinger Dietrich Schwimmdachtank
CN1011863B (zh) * 1986-08-07 1991-03-06 厄恩斯特·莱奥波德·施密特 油箱冲洗系统
JPH0520995U (ja) * 1991-08-30 1993-03-19 三井造船株式会社 中間デツキを有するタンカーの下部カーゴタンク洗浄装置
JPH09290894A (ja) * 1996-04-23 1997-11-11 Jiro Honma 清掃容易なタンクおよびその清掃方法
US7089949B1 (en) * 2003-04-17 2006-08-15 The United States Of America As Represented By The Secretary Of The Navy Apparatus for maneuvering a device within the interior of storage tanks

Also Published As

Publication number Publication date
CN104520025A (zh) 2015-04-15
JP6055096B2 (ja) 2016-12-27
JP2015525673A (ja) 2015-09-07
KR101746306B1 (ko) 2017-06-12
WO2014023476A1 (en) 2014-02-13
EP2695684A1 (de) 2014-02-12
CN104520025B (zh) 2017-03-15
KR20150038571A (ko) 2015-04-08
BR112015001923A2 (pt) 2017-07-04

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