EP3017872A1 - Dispositif de jet d'eau haute pression, dispositif de nettoyage de canal et procédé de jet d'eau haute pression - Google Patents

Dispositif de jet d'eau haute pression, dispositif de nettoyage de canal et procédé de jet d'eau haute pression Download PDF

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Publication number
EP3017872A1
EP3017872A1 EP14198541.6A EP14198541A EP3017872A1 EP 3017872 A1 EP3017872 A1 EP 3017872A1 EP 14198541 A EP14198541 A EP 14198541A EP 3017872 A1 EP3017872 A1 EP 3017872A1
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EP
European Patent Office
Prior art keywords
water jet
pressure water
nozzle
strahlumlenkfläche
high pressure
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
EP14198541.6A
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German (de)
English (en)
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EP3017872B1 (fr
Inventor
Volker Galinsky
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Individual
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Individual
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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 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning 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
    • B08B9/051—Cleaning 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 the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
    • 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
    • B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
    • B05B1/267—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors the liquid or other fluent material being deflected in determined directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • 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 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/0433—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided exclusively with fluid jets as cleaning tools
    • 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 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing

Definitions

  • the invention relates to a high-pressure water jet device for processing a surface.
  • Such water jet devices are used, for example, for cleaning surfaces having adhesion.
  • the high-pressure water jet device comprises a nozzle with at least one opening for generating a beam following a directional beam path of a liquid medium under maximum pressure.
  • the invention also relates to a sewer cleaning device for cleaning channels, such as open channels or closed channels.
  • a sewer cleaning device for cleaning channels, such as open channels or closed channels. This includes not accessible to persons channels, wherein by means of the channel cleaning device on the surfaces of the channels different processing steps, such as cleaning are executable.
  • the invention further relates to a high-pressure water jet method for processing a surface, comprising generating a beam of a liquid, ultra-high-pressure medium following a directed beam path by means of a nozzle and then directing the beam onto the surface to be processed.
  • a surface to be treated refers to surfaces which have coatings or adhesions or other constituents to be removed on the surface which are to be removed with the device.
  • water jet devices for a variety of different applications, such as the cutting of materials, the removal of on bodies deposited coatings, such as paints, or for the removal of unwanted deposits / deposits, impurities or contaminants, here generally referred to as adhesions, known on surfaces, especially on surfaces in channels. It is also known that the medium can have solid components to enhance the abrasive action. For the various applications and the performance requirements associated therewith, various pressure ranges are contemplated in which the water jet devices are operated.
  • the maximum pressure should here be the pressures of the medium, often water, in the range of greater than 500 bar to about 3000 bar.
  • pumps are known with which pressures of the medium of up to 6000 bar can be achieved, but at these extreme pressures of up to 6000 bar the restriction that the medium by means of inflexible media guides, such as rigid pipes, passed to the nozzle or nozzles becomes.
  • inflexible media guides such as rigid pipes
  • Such extreme pressures are used, for example, in stationary water jet devices used to cut or cut hard materials.
  • flexible media guides such as reinforced plastic hoses
  • the upper limit of the maximum through this flexible media guide conductive medium is currently limited to about 3000 bar. With their further development, higher pressures are certainly possible and usable with the invention described below.
  • the amount of liquid per unit of time is of interest, which is provided by one, optionally also more than one pump of the device.
  • liquid quantities of 8 to 40 l / min are usual, although different configurations of pump parameters exist for the different volume ranges.
  • the limits and the available pumps may also vary with respect to the amount of liquid usable for the method and apparatus.
  • a medium is brought by means of a working machine to a certain pressure and directed by means of hoses or other media guides, such as pipes or flexible hoses to a nozzle.
  • the pressurized medium then exits a directional jet path as a free jet from an opening of the nozzle.
  • this free jet can be directed to the surface to be processed, where the In turn, the jet causes a locally limited abrasive effect when hitting it.
  • the beam may be bundled or fan-shaped.
  • a collimated beam has a substantially circular cross-sectional shape
  • a fan-shaped beam is characterized in that the medium is spread in the form of a fan when exiting the opening so that it impinges linearly on the surface to be processed.
  • nozzles in which the jet emerges in the form of the lateral surface of a cone.
  • nozzles with multiple openings are known.
  • a disadvantage of the known devices and methods is that the pressure of the medium on the one hand must be so high that buildup on the surfaces to be processed can be reliably removed at such pressures but also damage to the surfaces to be processed may occur when the adhesions removed and the beam hits the already processed surface.
  • a high-pressure water jet device for processing a surface comprising a nozzle with at least one opening for producing a jet of a liquid, ultra-high-pressure medium following a directed beam path.
  • the invention is characterized in that a beam deflection means can be positioned in the beam path by means of a beam deflection means positioning device and the beam deflection means has a beam deflection surface positioned in the beam path toward the at least one nozzle opening.
  • the beam can be characterized by a plurality of beam paths, which describe the propagation of the medium in space meaningful and understandable. For example, they may lie in a plane when a peak pressure jet at an acute angle hits a surface or on a cone shroud at a corresponding nozzle.
  • each beam is always spread after a certain distance from its source. Due to the high directional momentum for media under extreme pressure, it can be assumed that this proportion is negligible. If the high-pressure water jet device is temporarily operated at a pressure at which no damage to the surface to be processed is to be expected, the beam deflection means can also be positioned outside of the beam path by means of the beam deflection means positioning device, so that the beam strikes the surface to be processed directly.
  • adhesions are just as reliable removable, as it is known in a directly directed to the surface to be processed beam.
  • this processing effect of the jet on the surface to be processed can even be increased.
  • the relevant impact angle is the angle between the already processed, d. H. under the adhered surface and the deflected beam, thus the complementary angle of a surface normal of the already machined surface and the deflected beam.
  • the deflection of the beam according to the invention by means of the beam deflection means also includes the alternative that the deflected beam does not strike the surface to be machined, in which case no angle of incidence can be measured. Rather, the beam is deflected by the beam deflection surface so that the deflected beam substantially, i. with minimal possible deviations, runs parallel to the already processed surface. In this way, damage to the already machined surface can be completely avoided by hitting the deflected under high pressure jet.
  • the Strahlumlenk Type is arranged in close proximity to the already processed surface, so that the deflected beam is directed directly above the already processed surface on the adhesions.
  • the angle of incidence is preferably in a range greater than 0 ° to less than or equal to 60 °, more preferably in a range greater than 0 ° to less than or equal to 30 °. Due to the sharp angle of incidence or parallel to the already processed Area deflected beam can be achieved, that attachments can be cut from the surface to be machined, whereby the impulse of the deflected beam is minimized or even avoided on the already machined surface and so their damage can be avoided.
  • the angle of incidence is to be distinguished from that angle with which the jet emerging from the nozzle and impinging on the beam path strikes the beam deflection surface.
  • This angle between the beam path and a surface normal of the Strahlumlenk the Strahlumlenk the is preferably in a range greater than 0 ° to less than or equal to 30 °, more preferably in a range greater than 0 ° to less than or equal to 60 °.
  • the beam deflection surface can be designed differently in order to achieve the technical effect.
  • the Strahlumsch the Strahlumlenk materials as a plane or, in contrast to the channel described below, as a slightly curved surface, d. H. with a cross-section whose radius or radii are substantially larger than the diameter of the jet emerging from the nozzle, be formed. This ensures that the beam is distributed in a fan shape upon impact with the Strahlumlenk materials according to its momentum and the shape of the Strahlumlenk materials.
  • the jet does not impinge punctiform but linear on the surface to be machined, whereby the pulse provided with the beam is still available, but is similar to a scraper line, whereby the potentially damaging punctiform machining can be avoided and during a same reaction time of the deflected Beam on the surface to be machined a larger section is editable.
  • the beam deflecting surface is formed to have a semi-circular cross-section having a diameter slightly larger than that of the collimated beam, which in turn is extruded on a sheet.
  • the beam after exiting the nozzle initially as bundled beam follows the beam path, hits the channel and is deflected by this and leaves the channel again as a focused beam, but in a different direction than the beam path, the beam after the exit from the opening of the nozzle follows. As a result, the beam continues to strike the surface to be processed over a small area.
  • Another advantage of the invention is that known, existing high-pressure water jet devices can be converted.
  • a Strahlumschposition ists in each case a Strahlumschposition ists noticed is mounted with a beam deflection arranged thereon.
  • the Strahlumlenkstoffposition réelles can be attached, for example by means of a lockable sleeve to a holder of the nozzle. By rotating the sleeve on the holder, the beam deflection means can be positioned both in the beam path and outside the beam path.
  • the beam deflecting means is designed as a hollow body whose inner circumferential surface is at least partially the Strahlumsch materials.
  • the hollow body can have an arbitrarily shaped cross-section which runs along a path is extruded.
  • the hollow body has a circular or elliptical cross section, which is extruded along a straight line.
  • the wall thickness of the hollow body is chosen inter alia as a function of the pressure range in which the high-pressure water jet device operates.
  • the hollow body is open at its ends lying in the direction of extrusion.
  • the jet emerging from the nozzle is deflected through the one opening, the inlet opening, into the interior of the hollow body, at the beam deflection surface, thus a section of the inner lateral surface of the hollow body, and then from the other opening, the outlet opening, emerges from the hollow body.
  • the nozzle is arranged in the interior of the hollow body.
  • An advantage of this configuration is that in contrast to the use of a Strahlumsch Touch is formed as a plane or slightly curved surface, and the part of the medium for processing the surface to be processed is used, which is otherwise deflected in a direction away from the surface to be machined, since it is deflected from the inner circumferential surface towards the outlet opening.
  • it is advantageous for processing the wall surfaces of channels since a complete beam deflection surface and thus complete protection of the surface to be processed can be available and, moreover, their pivoting with the beam is not required.
  • jet deflecting surface prefferably arranged on the beam deflecting means.
  • the Strahlumlenk design can be detachably connected for example by a screw and / or clamp connection with the Strahlumlenkstoff.
  • Suitable materials for the Strahlumlenk Stage are in particular stainless steel, sapphire or hard metal, with a combination of these materials and other suitable materials is possible.
  • the Strahlumschpositionierungs can adapt to the contour of the surface to be machined.
  • the effect of the deflected beam on the surface to be machined for example on the adhesions, can be improved, since the angle between the deflected beam and the already machined surface can be minimized in this way or the parallel course the beam is achieved.
  • the deflected jet has a fan-shaped shape that corresponds to the contour of the already processed surface, so that an optimal linear machining of the surface to be processed is possible.
  • the elastic deformability can be achieved for example by the fact that the Strahlumsch Assembly is made of spring steel or at least partially has spring steel, the spring steel may also be cured.
  • the beam deflecting surface adapts to the contour of the surface to be processed as soon as the beam deflecting surface is brought into contact with the surface to be processed, it can be provided in one embodiment that the beam deflecting surface has a plurality of laminations elastically mounted on the beam deflecting means. By bringing into contact with the surface to be machined, the relative position of adjacent lamellae is changed. In this case, the lamellae themselves can be designed to be elastic. After releasing the contact of the Strahlumschsch St and the surface to be processed, the slats return to their original shape and / or position as before the contact back.
  • the beam deflection means positioning device has a linear actuator for positioning the Strahlumlenkffens relative to the surface to be machined with a direction of action to be machined surface, so that the required position and the required angle of Strahlumlenk Structure precise and reproducible and automatable Adjusted, removed again and can be maintained under the action of the beam.
  • a linear actuator for positioning the Strahlumlenkffens relative to the surface to be machined with a direction of action to be machined surface, so that the required position and the required angle of Strahlumlenk Structure precise and reproducible and automatable Adjusted, removed again and can be maintained under the action of the beam.
  • Known and suitable are various pneumatic, hydraulic, mechanical or electrical actuators, such as rail systems with suitable drive for running on it carriages or brackets, air or hydraulic cylinders or a spindle drive.
  • the nozzle is designed to be movable relative to the beam deflection means by means of a nozzle positioning device.
  • the nozzle positioning device is arranged on the high-pressure water jet device, so that the nozzle is movable relative to the Strahlumlenkstoff. Since the beam deflection means by means of Strahlumlenkstoffposition réelles worn is self-positionable, both the nozzle and the Strahlumlenkstoff be positioned relative to the surface to be machined. This makes it possible to block the relative movement between the nozzle and Strahlumlenkstoff so that the Strahlumlenkstoff always follows the movement of the nozzle.
  • the high-pressure water jet device comprises a motorized carriage, on which a nozzle positioning device with the nozzle and the Strahlumlenkstoffstoffposition ists worn are arranged with the Strahlumlenkstoff.
  • the carriage may for example have an electric drive, by means of which the carriage is movable relative to the surface to be machined.
  • the trolley may stand on wheels or chains on the surface.
  • the high-pressure water jet device can be remotely controlled from a greater distance to the surface to be processed by, for example, a partially bidirectional media supply is provided by means of which the high-pressure water jet device with the carriage with the required media, such as electrical energy, control signals, the medium for the beam and data is supplied.
  • the nozzle is designed to be pivotable by means of the nozzle positioning device about an axis parallel to the travel path of the trolley.
  • the beam deflecting means by means of Strahlumlenkstoffstoffpositionierungs is pivotable about an axis parallel to the track of the carriage, whereby they are equipped for different requirements with regard to the positioning of the nozzle and Strahlumlenkstoff, in particular for the channel cleaning.
  • the nozzle positioning device and the beam deflection center positioning device each have an electric rotary drive whose axes of rotation are arranged parallel to the travel path of the trolley.
  • the independently operated rotary actuators pivot preferably at an angle greater than 360 °, further preferably at an angle of greater than 400 ° about an axis parallel to the travel path of the trolley.
  • the beam deflecting device can also be fixedly connected to the nozzle holder, so that both can always be pivoted together and excluded, that the jet laterally hits the beam deflecting surface on the already processed surface.
  • the high-pressure water jet device according to the invention is advantageously suitable for cleaning open and closed channels.
  • a closed channel is characterized in that it is fully closed, but at least it has an opening to get into the channel.
  • the channel cleaning device is particularly suitable for closed channels, even those that do not allow access for an operator of the sewer cleaning device.
  • the sewer cleaning device has a
  • Trolley which can enter the channel.
  • a processing of the inner surface of the channel for example, their cleaning possible, with positioning and movement of the nozzle and Strahlumsch Chemistry and the processing can be observed and controlled by camera on the carriage or the nozzle holder.
  • Such carriages are known in various designs.
  • the high-pressure water jet device comprises a support device which can be pressed against the duct wall.
  • the jet deflection surface on the currently machined side of the channel and the support device on the opposite side can thus be pressed against the channel wall, so that the device is braced in the channel.
  • the support device also interact with the carriage associated with fixation in the channel.
  • the object is further achieved by a high-pressure water-jet method for machining a surface comprising generating a beam of a liquid, ultra-high-pressure medium following a directed beam path by means of a nozzle and directing the beam onto the surface to be processed.
  • the high-pressure water jet method is characterized in that the jet is deflected after exiting the nozzle and before hitting the surface to be machined.
  • the deflection takes place according to the invention in such a way that the beam impinges on a more acute impact angle on the surface to be machined compared to the beam path without beam deflection means, or alternatively runs in a parallel direction, as described above
  • Directional relationships between the beam and the surface are always related to the already processed surface, since this is not or at least not clearly possible due to the adhesions to the surface still to be processed.
  • the deflection of the beam has been described in detail above for the device which is suitable for carrying out the method, so that reference is also made to the statements therein.
  • this processing effect of the jet on the surface to be processed can even be increased.
  • the beam is deflected in a direction parallel to the already processed surface.
  • the deflected beam substantially, ie with minimal possible deviations, parallel to the already processed surface, it is achieved that the deflected beam does not hit the already processed surface to a damaging extent. In this way, damage to the already processed surface by direct impact of the deflected, under maximum pressure medium of the beam can be completely avoided.
  • the jet is deflected after emerging from the nozzle and before hitting the surface to be processed to form a flat or curved fan beam.
  • the jet does not impinge punctiformly but linearly on the surface to be processed, as a result of which a larger portion of the surface can be processed in comparison with punctiform machining during an identical reaction time of the deflected jet.
  • the deflection of the beam takes place by means of a beam deflecting surface, wherein the beam is always deflected by the beam deflecting surface relative to the surface to be processed during a movement of the beam deflecting surface.
  • This method embodiment includes that the movement of the beam deflection surface is synchronized with the alignment of the jet exiting the nozzle relative to the already processed surface, and thereby the beam is deflected by the beam deflection surface without directly touching or damaging it.
  • the deflection of the beam takes place by means of a beam deflecting surface which is brought into contact with the already processed surface during processing.
  • the beam deflecting surface is deformed while being brought into contact with the already machined surface.
  • the Strahlumsch configuration By deforming the Strahlumlenk characteristics by bringing the Strahlumlenk characteristics in contact with the already machined surface, the Strahlumlenk characteristics can create the contour of the already machined surface and adapt to this contour.
  • the effect of the deflected beam on the surface to be machined, for example on the adhesions can be improved, since the angle between the deflected beam and the already machined surface can thus be minimized.
  • the deflected jet has a fan-shaped shape that corresponds to the contour of the already processed surface, so that an optimal linear machining of the surface to be processed is possible.
  • Fig. 1a and 1b show one and the same high pressure water jet device in working position.
  • the high-pressure water jet device is suitable for cleaning an inner surface 11 of a closed channel 1.
  • a closed channel 1 is characterized in that it is fully closed, but at least one opening, so that the high-pressure water jet device in the Channel 1 can be spent. With the high pressure water jet device, stubborn buildup 8 on the surface 11 of the channel 1 can be reliably removed without damaging the surface 11 itself.
  • the high-pressure water jet device is arranged on a carriage 7 and forms an inventive embodiment of a sewer cleaning device.
  • the carriage 7 has a drive, not shown, by means of which the carriage 7 is movable within the channel 1 along a guideway 75.
  • the carriage 7 In the working position, ie during the processing of the adhesions 8 of the surface 11 by means of the medium under extreme pressure, the carriage 7 is, however, at rest.
  • the in Fig. 1b Arrow to the right here is intended to represent the forward working direction of the high-pressure water jet device, while the arrow 73 pointing to the left represents the backward travel path 75.
  • the carriage 7 by means of four driven by the drive wheels 73 in the channel 1 is movable.
  • the wheels 73 are arranged interchangeably on the carriage 7 in order to use the high-pressure water jet device in channels 1 with other cross sections, including smaller or larger wheels 73 would be advantageous.
  • the carriage 7 moves by means of chains in the channel 1.
  • a camera 72 for monitoring the interior of the channel 1 in the direction of the travel path 75 is likewise arranged on the carriage 7. For clarity, the camera is 72 in Fig. 1a Not shown. It is also possible to provide a plurality of cameras 72 for the forward and backward observation of the channel 1.
  • the carriage 7 is connected by means of a media supply 71 with a media supply device, not shown. Via the media supply 71 all the media required by the high-pressure water jet device and the carriage 7 are transmitted. By means of the media supply 71 of the carriage 7 can be supplied with electrical energy as well as with control signals, for example, for the control of the drive, not shown. Furthermore, via the media supply 71, the data of the camera 72 can be transmitted to an evaluation unit, not shown. By means of the media supply 71 is also the high-pressure water jet device with a liquid, extremely high pressure medium, such as water, which may be additionally provided with a Abrassivstoff supplied.
  • the supply of the liquid medium takes place directly to the nozzle positioning device 8, while all the media required for the carriage 7 are guided via a separate line directly to this.
  • Other embodiments of the media supply are possible, for example, a leading only to the carriage 7 media supply, in which the liquid medium is passed through the car.
  • the pump, not shown, for generating the maximum pressure of the medium can be arranged for this purpose in the media supply device, also not shown, or separately from this.
  • the high-pressure water jet device further comprises a nozzle 2 arranged in the working direction with an opening 21.
  • the medium produced by means of the pump (not shown) is guided by means of the media supply 71 to the opening 21 of the nozzle 2.
  • the nozzle 2 has a plurality of openings 21. It may also be provided to arrange a plurality of nozzles 2 on the high-pressure water jet device.
  • a nozzle positioning device 6 is provided, by means of which the nozzle 2 is designed to be pivotable about an axis parallel to the travel path 75.
  • the high-pressure water jet device further comprises a beam deflection means 4 arranged in the working direction.
  • the beam deflection means 4 is arranged in this exemplary embodiment on a beam deflection means positioning device 5 which is designed with a holder (not illustrated) for the beam deflection means 4.
  • the holder is in the embodiment by means of air motor (not shown) on a linear rail system 51 movable. Due to the design of the linear rail system 51, the holder has a direction of action 511 directed toward the surface 11 with a double arrow. By means of the rail system 51, a beam deflection surface 41 arranged on the beam deflection means 4 can thus be moved toward the surface 11 and also away from the surface 11.
  • the beam deflection means positioning device 5 is designed such that the beam deflection means 4 and thus the beam deflection surface 41 is pivotable about an axis parallel to the travel path 75. In the working position the Strahlumsch materials 41 with the inner surface 11 of the channel 1 can be brought into contact.
  • pressure plate 74 On the carriage 7 is also a movable in the direction of the surface 11 pressure plate 74 is arranged, by means of which the carriage 7 in the working position in the channel 1 against unintentional rolling, for example by the Reaction force exiting from the nozzle 2, under extreme pressure medium, can be secured by the pressure plate 74 is pressed and held against the surface 11 of the channel 1.
  • a support means 76 is disposed on the Strahlumschposition réelles Rhein.
  • the support means 76 includes a non-illustrated drive, so that the support means 76 can be brought into contact with the inner surface 11 of the channel 1 when the high-pressure water jet device is in the working position.
  • Beam deflection surface 41 and support 76 act in opposite directions on the surface 11 of the channel 1, whereby the beam deflection surface 41 and likewise the trolley 7 are held particularly secure in the working position. If the high-pressure water jet device is moved by means of the trolley 7, ie if the high-pressure water jet device is not in the working position, there is no contact between the surface 11 and the pressure plate 74 and between the surface 11 and the support device 76.
  • the support 74 can be like in Fig. 1a also have shown several supports, which are each separately brought into contact with the surface 11 in contact.
  • a fixing pad for holding the trolley 75 is provided in the channel 1.
  • a fixing pad is for example of DE 20 2014 000 026 U1 , which is hereby incorporated by reference.
  • the Fixierpolster can be filled with a medium, so that it squeezes in the channel 1 without the channel 1 but to block.
  • a high-pressure water jet method for processing a Adhesions 8 having surface 11 are performed.
  • the medium produced by means of the pump, not shown, under maximum pressure is first conducted by means of the media supply 71 to the opening 21 of the nozzle 2.
  • a directed beam path following, bundled beam 3 of the liquid, under maximum pressure medium is generated.
  • the beam deflection surface 41 of the beam deflection means 4 can be positioned by means of the beam deflection means positioning device 5 towards the at least one opening 21 in the beam path.
  • the Strahlumschsch Materials 41 is formed in this embodiment as an elastic spring plate.
  • the jet 3 is deflected after exiting the nozzle 2 and before striking the adherences 8 of the surface 11.
  • the beam 3 changes by deflecting at least its direction, in this embodiment also its shape. The change in the direction of the beam 3 takes place in a direction whose angle to the surface 11 is more acute than the angle of the beam path of the emerging from the nozzle 2 under maximum pressure medium. By this more acute angle can be achieved that attachments 8, similar to a scraper can be cut from the surface 11, whereby the momentum of the deflected beam 3 is minimized on the surface 11, thus avoiding damage to the surface 11.
  • the Strahlumsch materials 41 is in this embodiment in the unformed state, not shown, a plane.
  • the beam path and the normal of this plane include one Angle of preferably greater than or equal to 60 °.
  • the beam deflection surface 41 is in accordance with Fig. 1a and 1b in the working position in contact with the surface 11, whereby the Strahlumsch materials 41 deformed and takes the contour of the surface 11.
  • the collimated beam 3 strikes the beam deflection surface 41, the collimated beam 3 is distributed in a fan shape. Since the beam path shows at least partially in the working direction, the fan-shaped distribution is also carried out by the conservation of momentum substantially in the working direction. The fan-shaped distribution takes place in a plane congruent with the beam deflection surface 41. Furthermore, due to the fan-shaped distribution, there is a transition from a punctiform processing to a line-like processing.
  • the shape of the beam deflection surface 41 it can be provided in another embodiment that, in the undeformed state, it is not formed as a plane but as a surface that is curved once or several times.
  • the Strahlumsch Stavage Surface 41 is the inner circumferential surface of a hollow body, wherein the hollow body has an inlet opening and an outlet opening.
  • the hollow body can be designed so that it is only slightly smaller than the cross section of the channel. 1
  • the shape of the beam deflection surface 41 can be influenced in different ways, which can also overlap one another.
  • the beam deflection surface 41 can already be deformed by the impulse of the beam 3, so that, for example, a concave beam deflection surface 41 is set.
  • the Strahlumsch materials 41, as described above and in Fig. 1a and 1b are also changed in shape by being brought into contact with the surface 11 by means of the beam deflection means positioning means 5.
  • the shape of the beam deflection surface 41 is actively changed to the beam deflection surface 41 even without the action of the beam 3.
  • the advantage of this is that the beam deflection surface 41 can rest against the surface 11, so that the shape of the beam deflection surface is congruent with the shape of the surface 11.
  • the nozzle positioning device 6 and the Strahlumlenkstoffpositionierungs shark 5 By means of the nozzle positioning device 6 and the Strahlumlenkstoffpositionierungs shark 5, the nozzle 2 and the Strahlumlenk materials 41 are independently movable and positionable, but their movement is also synchronized, so that the beam 3 is completely deflected by the Strahlumlenk materials 41 at any time. This is advantageous, for example, when the high-pressure water jet device is in the working position, but the beam deflection surface 41 is not in contact with the surface 11.
  • the beam deflection surface 41 is used to remove attachments 8 mechanically from the surface 11 of the channel, ie without the jet 3 emerging from the nozzle 2.
  • adhesions 8 can also be separated directly from the surface 11, for example by means of the beam deflection surface 41.

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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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP14198541.6A 2014-10-29 2014-12-17 Dispositif de jet d'eau haute pression, dispositif de nettoyage de canal et procédé de jet d'eau haute pression Not-in-force EP3017872B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014115755 2014-10-29

Publications (2)

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EP3017872A1 true EP3017872A1 (fr) 2016-05-11
EP3017872B1 EP3017872B1 (fr) 2019-02-20

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EP14198541.6A Not-in-force EP3017872B1 (fr) 2014-10-29 2014-12-17 Dispositif de jet d'eau haute pression, dispositif de nettoyage de canal et procédé de jet d'eau haute pression

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EP (1) EP3017872B1 (fr)
DE (1) DE202014106113U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113275334A (zh) * 2021-04-13 2021-08-20 鹏旺科技开发(苏州)有限公司 基于高压水射流结构的防堵自动清垢系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109719093A (zh) * 2018-12-14 2019-05-07 东莞理工学院 一种地下管道自动清洗装置
CN111533343B (zh) * 2020-05-12 2021-01-01 上海市政工程设计研究总院（集团）有限公司 一种伸缩臂式净水清淤装置
CN111974767A (zh) * 2020-08-18 2020-11-24 昆山三一环保科技有限公司 一种应用于换热器列管清洗的机器人系统及清洗方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1510175A (en) * 1923-06-11 1924-09-30 Frank C Kinnear Spraying device
US2439032A (en) * 1945-11-01 1948-04-06 Gen Motors Corp Shot blasting nozzle
US2884745A (en) * 1955-12-19 1959-05-05 J C Fennelly Company Sandblasting tool and method
DE2250290A1 (de) * 1972-10-13 1974-04-25 Etscheid Vorrichtung zum reinigen von kesseln
EP1129793A2 (fr) * 2000-03-03 2001-09-05 GROB-Werke Dr. h.c. mult. Dipl.-Ing. Burkhart Grob e.K. Dispositif pour enlever des copeaux dans des machines-outils
DE202010016857U1 (de) 2010-02-01 2011-04-14 Galinsky, Volker, Dipl.-Ing. Vorrichtung zum Hochdruck-Wasserstrahlschneiden in geschlossenen Kanälen
DE202014000026U1 (de) 2014-01-07 2014-03-10 Mauerspecht GmbH Vorrichtung zum Bearbeiten von Kanalwandungen mittels Hochdruck-Flüssigkeitsstrahlen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1510175A (en) * 1923-06-11 1924-09-30 Frank C Kinnear Spraying device
US2439032A (en) * 1945-11-01 1948-04-06 Gen Motors Corp Shot blasting nozzle
US2884745A (en) * 1955-12-19 1959-05-05 J C Fennelly Company Sandblasting tool and method
DE2250290A1 (de) * 1972-10-13 1974-04-25 Etscheid Vorrichtung zum reinigen von kesseln
EP1129793A2 (fr) * 2000-03-03 2001-09-05 GROB-Werke Dr. h.c. mult. Dipl.-Ing. Burkhart Grob e.K. Dispositif pour enlever des copeaux dans des machines-outils
DE202010016857U1 (de) 2010-02-01 2011-04-14 Galinsky, Volker, Dipl.-Ing. Vorrichtung zum Hochdruck-Wasserstrahlschneiden in geschlossenen Kanälen
DE202014000026U1 (de) 2014-01-07 2014-03-10 Mauerspecht GmbH Vorrichtung zum Bearbeiten von Kanalwandungen mittels Hochdruck-Flüssigkeitsstrahlen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113275334A (zh) * 2021-04-13 2021-08-20 鹏旺科技开发(苏州)有限公司 基于高压水射流结构的防堵自动清垢系统

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EP3017872B1 (fr) 2019-02-20

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