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EP0841101B1 - Outil hydrodynamique pour le nettoyage de tuyaux et de canalisations - Google Patents

Outil hydrodynamique pour le nettoyage de tuyaux et de canalisations Download PDF

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Publication number
EP0841101B1
EP0841101B1 EP96117817A EP96117817A EP0841101B1 EP 0841101 B1 EP0841101 B1 EP 0841101B1 EP 96117817 A EP96117817 A EP 96117817A EP 96117817 A EP96117817 A EP 96117817A EP 0841101 B1 EP0841101 B1 EP 0841101B1
Authority
EP
European Patent Office
Prior art keywords
inlet opening
pressurized water
outlet openings
diameter
water inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96117817A
Other languages
German (de)
English (en)
Other versions
EP0841101A1 (fr
Inventor
Kurt Hörger
Hans Prof. Dr. Lutze
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE59607422T priority Critical patent/DE59607422D1/de
Priority to EP96117817A priority patent/EP0841101B1/fr
Publication of EP0841101A1 publication Critical patent/EP0841101A1/fr
Application granted granted Critical
Publication of EP0841101B1 publication Critical patent/EP0841101B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F9/00Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
    • B08B9/0495Nozzles propelled by fluid jets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2209/00Details of machines or methods for cleaning hollow articles
    • B08B2209/02Details of apparatuses or methods for cleaning pipes or tubes
    • B08B2209/027Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
    • B08B2209/04Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
    • B08B2209/045Making cleaning devices buoyant within a pipeline to be cleaned

Definitions

  • the invention relates to a hydrodynamic tool for the cleaning of pipes and channels according to the generic term of the first claim.
  • These tools are as Flow-through parts are formed and can e.g. Sewer cleaning nozzles or sole cleaner.
  • the connecting channels between the pressurized water inlet opening and recoil opening a relatively large one Radius on.
  • a nozzle is shown in FIG. one in the middle in the area of the hose connection conical water divider in the manner of a Has inlet taper at which the radius connects.
  • the widened from the hose connection Cavity in the nozzle relatively sharp, so that a annular baffle in the direction of the recoil openings is formed.
  • the outflow openings lead from the Baffle surface in the cavity in the beam angle to the outside. In the outflow openings are inserted into nozzles Towards the cavity a conical extension of the Have inner diameter.
  • DE-C-195 16 780 is a hydrodynamic Nozzle known, which has water channels, the one straight line area, inclined at an angle are and essentially tangential in one Distribution chamber open out the largest possible radius having. Even with this solution there are performance losses connected because the water is at the bottom of the distribution chamber can swirl.
  • the object of the invention is a hydrodynamic Tool for cleaning pipes and ducts too develop that the highest possible efficiency and maximum cleaning power with minimum energy consumption guaranteed in its weight according to the Area of application can be varied and a high Lifetime guaranteed.
  • the hydrodynamic tools are as flow parts trained and have a pressurized water inlet opening on the water channels with the pressurized water outlet openings connected is.
  • the direction of curvature of the The radius of the water channels is opposite to that Pressure water inlet opening inclined.
  • the water channels close to the pressurized water inlet opening on and go partially in this connection area into each other.
  • Each water channel has a circular one Cross section and thus begins at the pressurized water inlet opening, that they're with the innermost point their diameter in the center and with the extreme Point of their diameter on the outside diameter of the pressurized water inlet opening connects.
  • this makes it a continuous one funnel-shaped feed from the pressurized water inlet opening for the respective water supply and pressure water outlet opening created.
  • the pressurized water outlet openings are compared in the beam angle ⁇ inclined to the longitudinal axis of the hydrodynamic tool. Furthermore, in the pressurized water outlet openings A screw thread is provided for the reflex nozzles. If the reflex nozzles have a screw head, are in the pressurized water outlet openings for the Countersunk head arranged.
  • the water channels go either with the end of the radius in the pressurized water outlet openings over or lead from the end of Radius in a straight line and at an angle ⁇ the pressurized water outlet openings.
  • the water channels bind to the pressurized water outlet openings that after screwing in the radiation nozzles there are no discontinuous ones Cross-sectional changes are formed.
  • the straight forward Area of the water supply or the pressure water outlet opening essentially close tangent to the radius of the water supply.
  • the Water channels and the pressurized water outlet openings there can be another cavity in the tool for filling of fiber.
  • the ballast space is in the direction of movement before Water supply arranged horizontally. It can be used as needed be filled with fiber, preferably Lead granulate, sand, water or a sand / water mixture Find application.
  • the hydrodynamic tools are preferably as Castings trained because their interior design by Casting is technologically advantageous.
  • the core of the casting will be in the future Geometry of the pressure water inlet opening, the water channels and the pressurized water outlet openings.
  • a stainless cast alloy is used as a material for the hydrodynamic tools.
  • Rust protection in other cast alloys can be caused by Anti-rust paint or other types of coating, e.g. galvanizing can be achieved.
  • FIG. 1 is the top view of the nozzle body and in Fig. 2nd a longitudinal section along the line X acc. Fig. 1 shown.
  • the eight water guides 3 slide, which form the connection to the pressurized water outlet openings 4.
  • the pressurized water outlet openings 4 alternately have different radiation angles ⁇ 1 and ⁇ 2 and lie on different pitch circles T 1 and T 2 .
  • the pressurized water outlet openings 4, which lie on the inner pitch circle T 1 have a smaller radiation angle ⁇ 1 than the pressurized water outlet openings 4 on the outer pitch circle T 2 .
  • the number of pressurized water outlet openings 4 is determined in accordance with the desired requirement profile, and their radiation angle ⁇ can also be the same, so that they lie on a common pitch circle T. 6 or more pressurized water outlet openings are usually selected.
  • the radiation angle ⁇ can be between 5 ° and 40 °.
  • the pressurized water inlet opening 2 has a relatively large thread for the hose connection 2 a , its diameter decreases conically up to the water ducts 3 up to the diameter d E.
  • the funnel-shaped reduction in diameter of the pressurized water inlet opening 2 and the subsequent narrowing of the diameter d W1 to the diameter d W2 of the water ducts 3 is to be designed such that a continuous and steady reduction in cross-section is formed, thereby avoiding turbulence in the liquid jet.
  • the pressurized water outlet openings 4 with the larger radiation angle ⁇ 1 project further into the sewer cleaning nozzle 1 than the pressurized water outlet openings 4 with the smaller radiation angle ⁇ 1 .
  • the water ducts 3 merge into the pressurized water outlet openings 4 with the larger radiation angle ⁇ 2 in their radius r and lead to the pressurized water outlet openings 4 with the smaller radiation angle ⁇ 1 from the end of the radius r in a rectilinear region 3.G and at an angle ⁇ 1 .
  • the rectilinear area 3.G and the pressurized water outlet openings 4 with the radiation wave ⁇ 2 connect tangentially to the radius r of the water channels 3.
  • the pressurized water outlet openings 4 advantageously have 5 counterbores 4.1 and a thread 4.2 for screwing in radiation nozzles.
  • the sectional view shows a pressurized water outlet opening 4 with and one without a spray nozzle 5.
  • the water guides 3 bind to the pressurized water outlet openings 4 in such a way that no discontinuous cross-sectional changes are formed, in particular after the jet nozzles 5 have been screwed in.
  • Another advantage of the invention is that Arrangement of an additional cavity 7 in the Sewer cleaning nozzle 1 (Fig. 3).
  • This cavity 7 is located thereby in the direction of movement in front of the water channels 3 and is at its, the pressurized water inlet opening 2 opposite end with a screw plug 8 (shown schematically) closed.
  • a screw plug 8 shown schematically closed.
  • this cavity can lead granulate, sand, water or a Sand / water mixture can be filled.
  • the sewer cleaning nozzle 1 in FIG. 3 has a relatively small pressurized water inlet opening 2 with a hose connection 2a in the form of a thread and also tapers to the beginning of the water guides 3.
  • the channel cleaning nozzles 1 can also use other tools for hydrodynamic cleaning of pipes and channels as a cast body with the new water supply and provided required with an additional cavity for Weight change can be equipped.
  • 4 is a sole cleaner 10 shown in perspective.
  • the base body 11 of the sole cleaner 10 has Skid-shaped arranged parallel to each other on both sides Elements 12 on.
  • the Pressurized water inlet opening 2 the water channels 3 and the pressurized water outlet openings 4.
  • the pressurized water inlet opening 2 is over the water channels 3 connected to the pressurized water outlet openings 4.
  • the water ducts 3 close as in the Sewer cleaning nozzle 1 sliding against the pressurized water inlet opening 2 and go partially in this area into each other.
  • hose connector 14 is in the area of the pressurized water inlet opening 2 detachable with the base body 13 or inextricably linked.
  • the detachable not shown here Connection can be made using a union nut can be ensured with the base body 13 is screwed.
  • the permanent connection is made preferably by welding, the hose connection 14 additionally with its other end on the base body 13 is welded.
  • the pressurized water outlet openings 4 are not as in the sewer cleaning nozzle 1 arranged on partial circles, but lie in rows and in two planes E1 and E2 (see Fig. 4a).
  • E1 and E2 are 4 Pressurized water outlet openings provided.
  • the radiation angles are ⁇ each towards the sole and at the same time from the vertical center line M seen from the outside directed. According to the requirement profile the quantity of pressure water outlet openings varies become.
  • FIG. 5 A longitudinal section of the sole cleaner 10 is shown in FIG. 5 shown.
  • a cavity 7 which has a bore 15a is open at the top, this opening preferably can be closed with a plug 15b.
  • This cavity 7 can also, as mentioned above described, are filled with ballast material 16.
  • the manufacture of the sewer cleaning nozzle 1 and Base body 11 of the sole cleaner 10 takes place preferably by pouring, as this method is the most Technologically most favorable variant for the production of the Tools is.
  • the rust protection can be done by a Surface protection such as anti-rust paint or Galvanize or by using a stainless steel Cast alloy can be guaranteed. With the application an investment casting process it is possible to measure the wall roughness to reduce to less than 10 microns so that the Pipe friction coefficient is minimized.
  • the core 17 is a mold for the Water duct 3 of the sewer cleaning nozzle 1 shown.
  • the pressurized water outlet openings 4 and the water channels 3 are arranged in a circle, the water channels 3 run in a star shape in the center of the pressurized water inlet opening 2 together and slide in this over, the water channels 3 partially mesh.
  • the pressurized water inlet 2 close the water ducts 3 in a turning radius r whose direction of curvature and size is chosen so the lowest possible resistance in terms of flow arises.
  • the core of the sole cleaners is designed analogously, however, the areas for the pressurized water inlet are 2, the water channels 3 and the pressurized water outlet openings 4 arranged to each other as it future design of the basic body requires (pressurized water outlet openings not circular but in several levels, different beam angles, etc.).
  • Pressurized water inlet opening 2 the large deflection radius r and the constant transition to the pressurized water outlet openings 4 becomes the continuous flow area extended or the axial pressure PK in the area of the core zone K and the axial pressure PH increased in the main area H (Fig. 7).
  • the cleaning effect is increased by increasing the axial pressure PK the hydrodynamic according to the invention Tools compared to conventional sewer cleaning nozzles or sole cleaners of a similar design significantly improved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)

Claims (4)

  1. Outil hydrodynamique de nettoyage de tubes et de canaux, comportant un raccord de tuyau (2a) constituant une ouverture d'entrée d'eau sous pression (2) amenée par un tuyau, et des ouvertures de sortie d'eau sous pression (4) situées sur le côté du raccord (2a) et reliées à l'ouverture d'entrée (2) par des conduites d'eau (3) en forme de canaux présentant en continu une section circulaire, les conduites d'eau (3) présentant vers le raccordement à l'ouverture d'entrée (2) un rayon de courbure (r), dont la direction de courbure renvoie en sens contraire celle à l'ouverture d'entrée d'eau (2), les conduites d'eau (3) se prolongeant par les ouvertures de sortie d'eau (4) dans lesquelles peuvent être vissées des buses de projection (5),
    caractérisé en ce que
    les conduites d'eau (3) sont raccordées en continu au diamètre (dE) de l'ouverture d'entrée d'eau (2), et partent radialement vers l'extérieur en formant un arc.
  2. Outil hydrodynamique selon la revendication 1,
    caractérisé en ce que
    l'ouverture d'entrée d'eau (2), partant d'un raccord de tuyau (2a) ou (9) se réduit d'un diamètre supérieur à 2 dW1 jusqu'à un diamètre de 2 dW1.
  3. Outil hydrodynamique selon l'une quelconque des revendication 1 ou 2,
    caractérisé en ce que
    les conduites d'eau (3) ont un diamètre (dW1) qui se réduit à un diamètre (dW2) dans la zone de liaison aux orifices de sortie d'eau (4).
  4. Outil hydrodynamique selon l'une quelconque des revendications 1 à 3.
    caractérisé en ce que
    la réduction faisant passer le diamètre de (dW1) à (dW2) est achevée au point extrême, en direction du déplacement de l'outil, de la partie courbe à rayon de courbure (r).
EP96117817A 1996-11-07 1996-11-07 Outil hydrodynamique pour le nettoyage de tuyaux et de canalisations Expired - Lifetime EP0841101B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE59607422T DE59607422D1 (de) 1996-11-07 1996-11-07 Hydrodynamisches Werkzeug für die Reinigung von Rohren und Kanälen
EP96117817A EP0841101B1 (fr) 1996-11-07 1996-11-07 Outil hydrodynamique pour le nettoyage de tuyaux et de canalisations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96117817A EP0841101B1 (fr) 1996-11-07 1996-11-07 Outil hydrodynamique pour le nettoyage de tuyaux et de canalisations

Publications (2)

Publication Number Publication Date
EP0841101A1 EP0841101A1 (fr) 1998-05-13
EP0841101B1 true EP0841101B1 (fr) 2001-08-01

Family

ID=8223376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96117817A Expired - Lifetime EP0841101B1 (fr) 1996-11-07 1996-11-07 Outil hydrodynamique pour le nettoyage de tuyaux et de canalisations

Country Status (2)

Country Link
EP (1) EP0841101B1 (fr)
DE (1) DE59607422D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IES20000201A2 (en) * 2000-03-14 2001-07-11 Jurgen Bock Pipe cleaning nozzle
CN202561120U (zh) 2012-04-17 2012-11-28 北京科勒有限公司 分水器
CN113796807B (zh) * 2021-06-02 2023-10-13 华帝股份有限公司 一种分水器的底盖结构、分水器及洗碗机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656694A (en) * 1970-12-10 1972-04-18 John A Kirschke Sewer cleaning chemical dispensing nozzles
DE3237583C2 (de) 1982-10-09 1992-12-10 Udo Th. 4740 Oelde Thüner Spülkopf
SE446159B (sv) 1984-05-24 1986-08-18 Bo Larsson Vandrande hydrodynamiskt munstycke for tryckvattenrengoring av vatten-, avlopps- och dagvattenledningar
DE3502916A1 (de) 1985-01-29 1986-07-31 Hans 2800 Bremen Ziegenhagen Vorrichtung zur reinigung eines rohres, kanals o.dgl., insbesondere abwasserrohrs, -kanals o.dgl.
DE19516780C1 (de) * 1995-05-11 1996-08-08 Kurt Hoerger Hydrodynamische Düse für die Reinigung von Rohren und Kanälen

Also Published As

Publication number Publication date
EP0841101A1 (fr) 1998-05-13
DE59607422D1 (de) 2001-09-06

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