EP2751483A1 - Spülvorrichtung und verfahren zum reinigen eines von einer sammelrohrleitung abzweigenden einzelrohres des rohrsystems einer kesselwand eines dampferzeugers - Google Patents
Spülvorrichtung und verfahren zum reinigen eines von einer sammelrohrleitung abzweigenden einzelrohres des rohrsystems einer kesselwand eines dampferzeugersInfo
- Publication number
- EP2751483A1 EP2751483A1 EP12753138.2A EP12753138A EP2751483A1 EP 2751483 A1 EP2751483 A1 EP 2751483A1 EP 12753138 A EP12753138 A EP 12753138A EP 2751483 A1 EP2751483 A1 EP 2751483A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flushing
- flushing device
- nozzle
- pipe
- rinsing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
- F28G1/163—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from internal surfaces of heat exchange conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
Definitions
- the invention is directed to a flushing device, which can be moved to deliver a flushing medium into a pipe branching from a collecting pipe of the pipe system of a boiler or steam generator of a power plant in the collecting pipeline is trained. Furthermore, the invention is directed to a method for cleaning and / or flushing the inner tube portion of the pipe system of erected and installed boiler walls, in particular a
- Diaphragm wall piping of a steam generator Such a flushing device is used in particular to clean a pipe system of a boiler of a power plant, in particular a fossil-fired power plant.
- the piping system has a manifold, also called collector, and a plurality of branching from the manifold individual tubes that transition both in inclined and vertical tubes of a membrane wall piping as well as in superheater and ndere Bank inhabitsysteme on. If, for example, these pipes have to be welded for maintenance or for assembly purposes, forming material is introduced into the pipes to seal the weld in order to build up a gas barrier for the protective gas in the pipe to be welded.
- this forming material When used in small quantities, this forming material is water-soluble, so that it can dissolve on re-commissioning of the pipe system upon contact with a liquid, in particular water.
- a liquid in particular water.
- an excessive amount of forming material is introduced into the pipes for welding, which due to their size can no longer dissolve (so easily) upon contact with a liquid and agitation inside the pipes, thereby obstructing by doing respective pipe can occur, which in turn can lead to poor and / or insufficient flow in the respective pipe.
- the object of the invention is therefore to provide a solution by means of which the cleaning of the branched off from a manifold individual pipes of the pipe system of a steam generator of a power plant can be performed with less effort and reduced costs.
- the flushing device is a guiding and / or driving device, by means of which the flushing device within the collecting pipe along a traversing direction is movable, oriented substantially perpendicular or vertical to the direction of travel of the flushing device Rinsing nozzle and a pressing device for pressing the rinsing nozzle to a mouth opening of a single pipe to be cleaned, wherein the rinsing nozzle with a high-pressure pump in flushing medium leading line connection is or can be brought.
- a flushing device which comprises a at least substantially perpendicular to their direction aligned flushing nozzle and a pressing device for pressing the flushing nozzle to a mouth opening of a single pipe to be cleaned by means of a on Flushing trained and / or arranged guiding and / or driving device within a collecting pipe of the pipe system along a direction of travel to the mouth of an outgoing and to be cleaned or rinsed from the collecting manifold single pipe and standing with a high pressure pump in flushing medium leading line connection flushing nozzle in or at the mouth of the to be cleaned Single tube is pressed and flushing medium is introduced through the flushing nozzle at high pressure in each to be purged single tube.
- the rinsing nozzle is pressed by means of a pressing device of the rinsing device by applying a pressure, in particular by extending the pressing device, to the single tube, in particular against the mouth opening of the individual tube to be cleaned in the collecting pipe or against an inner wall of the single tube, so that in particular by retracting the rinsing nozzle in the mouth opening, a seal between an edge or a wall surface of the single tube and the rinsing nozzle can take place. This will prevent the over the rinsing nozzle in the Single pipe introduced or introduced flushing medium can penetrate into the manifold.
- flushing medium can be introduced by means of the high pressure pump, which is preferably designed for a pressure of 250 bar, with a high pressure in the single pipe to be cleaned.
- the rinsing nozzle, with its rinsing nozzle opening, via which the rinsing medium is introduced from the rinsing nozzle into the single tube is formed substantially vertically or perpendicular to the direction of travel of the rinsing device in the collecting pipeline at the rinsing device.
- a cleaning of a branching of a manifold single pipe can be done quickly and with little effort by means of the flushing device according to the invention, whereby the cost of cleaning such a single pipe and the adjoining pipe systems can be reduced. In particular, this eliminates a costly cutting of the tubes and reassembly of the separated tubes, as is known from the prior art.
- flushing medium for example, water can be used.
- the flushing device is not limited to the fact that it has only one flushing nozzle with an associated pressing device. It is also possible for the flushing device to have two or more flushing nozzles, each of which has a pressing device assigned to it.
- the flushing device has more than one guiding and / or driving device, preferably two guiding and / or driving devices.
- the flushing device comprises a high-pressure pump, which communicates with the at least one flushing nozzle via a flushing medium line in flushing medium leading line connection.
- the at least one rinsing nozzle on a support ring is preferably formed on the outer peripheral surface of the rinsing nozzle and serves to better position the rinsing nozzle at an orifice of the single pipe to be cleaned in the collecting pipe and thus to achieve an improved seal between the individual pipe to be cleaned and the collecting pipe.
- the rinsing nozzle is preferably positioned with the support ring so that it rests on the inner wall surface of the collecting pipe around the orifice.
- a sealing element surrounding an outer circumferential surface of the flushing nozzle is arranged on the flushing nozzle.
- the sealing element is preferably an annular sealing element, which is arranged circumferentially on the outer peripheral surface of the rinsing nozzle, wherein the sealing element is preferably made of an elastic material, for example a rubber material.
- the rinsing nozzle can be pressed against the mouth or the inner wall of a single pipe to be cleaned in order to ensure a secure seal between the respective rinsing nozzle and the inner wall of the To ensure single tube or the mouth opening of the single tube and to prevent the flushing medium from the single tube (back) can penetrate into the manifold.
- the sealing element can be arranged together with the support ring or even without a support ring on the rinsing nozzle.
- the sealing element is conical, so that the outer surface of the sealing element has a slope and the sealing element tapers towards a free end of the rinsing nozzle, where the rinsing nozzle opening is formed. Due to the conical design, a particularly secure seal in the mouth region can be achieved with the sealing element. Alternatively, it can also be provided that the sealing element is cylindrical or in the form of an O-ring seal.
- a further advantageous embodiment of the invention provides that the flushing nozzle can be moved in a linear movement, vertically or perpendicular to the direction of travel of the flushing device via the AnpressVorraum.
- the pressing device can thus be carried out an accurate positioning of the rinsing nozzle on the single pipe to be cleaned by the rinsing nozzle is moved in the direction of the single pipe to be cleaned.
- the irrigation nozzle regardless of the diameter of the manifold and the distance of the remaining parts of the flushing device to the single pipe can be arranged exactly on or in the single pipe to be cleaned.
- the flushing nozzle can be moved laterally away from the flushing device.
- the pressing device is designed according to a preferred embodiment in the form of a mechanically or hydraulically designed clamping device.
- the clamping device may preferably have a clamping cylinder or a hydraulic cylinder.
- the clamping device is designed as a clamping cylinder, it is preferably provided that the clamping cylinder can be controlled via the flushing medium, whereby additional control means are not necessary and thus the structure and the control of the clamping cylinder can be simplified.
- the clamping device has a spindle, on which two V-shaped clamping arms are arranged whose opening angle is variable during a movement of the clamping arms along the spindle.
- a first gear and a second V-shaped clamping arm a second gear is disposed on a first V-shaped clamping arm, wherein the first gear and the second gear mesh and are rotatable in opposite directions.
- the guiding and / or driving device has one or more rolling elements.
- the one or more rolling elements are arranged such that they roll along the inner wall of the collecting pipe and thus the flushing device on the inner wall of the collecting pipe can be moved. For a simple guidance and movement of the flushing device within the manifold is possible.
- the guiding and / or driving device has in particular two rolling elements arranged parallel to one another.
- These two mutually parallel rolling element for example, together at a first end of the flushing device, with which the flushing device is first inserted into the manifold, may be arranged, wherein at an opposite second end of the flushing device, a further guiding device with two rolling elements arranged parallel to each other and additionally
- Guide means for example, a guide rod, can be arranged, by means of which, for example, a user by hand, the flushing device in the header pipe can lead.
- a plurality of rolling elements are provided, preferably more than two rolling elements, these are arranged circumferentially on the flushing device and / or the guiding and / or driving device.
- Circumferential means that the rolling elements are arranged in a circle around the outer peripheral surface of the flushing device or the guiding and / or driving device. Due to the circumferential arrangement of rolling elements, the guidance and the movement of the tensioning device in the collecting pipeline can be improved and tilting or tilting of the tensioning device during the movement of the tensioning device in the collecting pipeline can be prevented.
- a first pair of rollers is arranged on an underside of a housing of the flushing device and / or the guiding and / or driving device and on an upper side of the housing second and third, each formed from two rolling elements roller pair are arranged, wherein a first rolling element of the second pair of rollers with a first rolling element of the third pair of rollers via a first tension spring and a second rolling element of the second pair of rollers with a second rolling element of the third pair of rollers via a second tension spring connected to each other.
- the rolling elements of the two pairs of rollers arranged on the upper side can be moved apart with the two tension springs at the same time in the area of the guiding and / or driving device, so that at least part of the rolling elements of the guiding and / or driving device are tensioned the pressing device can follow, so that thereby an additional support of the flushing device is formed in the tensioned state, whereby a tilting of the flushing device can be prevented.
- the second and third roller pairs are preferably arranged opposite the arrangement of the rinsing nozzle on the rinsing device.
- the two rolling elements of the first pair of rollers are preferably arranged rigidly on the flushing device, so that in a relaxed state in which the pressing device is not tensioned, the tensioning device can be moved on the first pair of rollers within the manifold, preferably also the rolling elements of the second and third roller pair in this case have contact with the inner wall of the manifold.
- the flushing device and / or the guiding and / or driving device comprises an inflatable sealing pad.
- the sealing pad is used, for example, to close an outlet of a Y-shaped single tube in order to prevent that during flushing of the single tube by introducing the flushing medium into a first outlet of the Y-shaped single tube of this flushing medium again from the can exit parallel to the first output disposed second output and flows into the manifold.
- the sealing pad preferably with air / inflated.
- the air can be discharged from the sealing pad again, so that the size of the sealing pad is reduced and this can be stowed to save space in the flushing device.
- the sealing pad is preferably formed substantially U-shaped, so that with the sealing pad, an outlet of the single tube can be sealingly enclosed.
- the flushing device and / or the guiding and / or driving device has a camera.
- the camera is preferably connected to a monitor arranged outside the pipe system. Via the camera and the associated monitor, a user can recognize the position of the flushing device and / or the guiding and / or driving device within the collecting pipeline and the flushing device and / or the guiding and / or driving device thus within the collecting pipeline at the desired position to clean the corresponding single pipe.
- the flushing process of the single tube with the flushing medium can be monitored by means of the camera. As a result, the handling of the flushing device is considerably simplified.
- a further preferred embodiment of the invention provides that the flushing device and / or the guiding and / or driving device has a lighting means.
- the light-emitting means is preferably arranged such that the area directly in front of the rinsing nozzle can be illuminated with the light-emitting means.
- a light source preferably an LED light is used.
- the flushing device and / or the guiding and / or driving device on a marking device for identifying an already cleaned single pipe.
- a marking device for identifying an already cleaned single pipe.
- an already cleaned single tube can be marked accordingly, so that it is prevented that a single tube is cleaned several times, if this is not desired.
- the cleaning can thus be carried out more efficiently, in particular with regard to the required cleaning time.
- the method is characterized in an embodiment in that successively more of the individual tubes are rinsed.
- Fig. 2 is a schematic representation of a flushing device according to a first embodiment of the invention in a perspective view rotated towards the bottom of the flushing device;
- FIG. 3 shows a schematic representation of the rinsing device shown in FIG. 2 in a plan view of an upper side of the rinsing device;
- Fig. 4 is a schematic representation of a
- Sealing pad according to the invention a schematic representation of a rinsing nozzle according to the invention
- Fig. 6 is a partial schematic representation of a
- Fig. 7 is a partial schematic representation of a
- FIG. 10 is a schematic partial view of a
- Fig. 1 shows a pipe system of a boiler of a power plant, which has a manifold 1, from which a plurality of individual tubes 2, 3, 4 goes off.
- the individual tubes 2 are connecting pipes, which merge into spiral pipes 3 and vertical pipes 4 of a membrane wall piping of the boiler or steam generator. If welds have to be made on the pipes 2, 3, 4 in order to remedy signs of wear, the pipes 2, 3, 4 are sealed by introducing forming paper.
- a flushing device according to a first embodiment of the invention is shown in a perspective view rotated in the direction of the underside of the flushing device.
- This flushing device has two guiding and / or driving devices with two rolling elements 5, 6, 7, 8 or a pair of roller pairs 9, 10 comprehensive guiding and / or driving device, wherein the flushing device by means of the guiding and / or driving devices within the Sammelrohr Arthur 1 along a direction indicated by the arrow 27 traversing direction is movable.
- the flushing device has a rinsing nozzle 11 and a pressing device 12, by means of which the rinsing nozzle 11 in a linear movement, vertically to the travel direction 27 and thus perpendicular to the longitudinal axis of the rinsing device is movable.
- FIG. 2 is designed in the form of a hydraulically designed clamping device, preferably as a hydraulic cylinder.
- the rinsing nozzle 11 is connected to a high-pressure pump, not shown, via a flushing medium line 21 in flushing medium leading line connection.
- the high-pressure pump can be arranged outside or inside the pipe system or also on the guiding and / or driving device and thus, be an indirect or direct component of the flushing device.
- FIG. 3 shows a top view of an upper side of the flushing device shown in FIG. 2. The upper side is the side of the flushing device, on which the flushing nozzle 11 is arranged.
- the rinsing nozzle 11 has at its free end a rinsing nozzle opening 13, via which rinsing medium can escape from the rinsing nozzle 11 and thus from the rinsing device in order to be able to rinse a single pipe 2 to be cleaned with rinsing medium.
- the rinsing nozzle 11 is connected to a flushing medium line 21, here in the form of a tube, through which the flushing nozzle 11 flushing medium can be fed.
- the flushing device has a camera 14, which is connected to a monitor, not shown here, arranged outside the pipe system or is in communication. With the camera, the inside of a manifold 1 can be made visible and the position of the flushing device of the manifold to be determined in order to position the rinse nozzle as accurately as possible to be cleaned a single tube 2, 2, 4. Furthermore, the flushing device has a connecting piece 15 for receiving a linkage or a guide rod 16, by means of which the flushing device can be inserted by a user into the collecting pipeline 1 and moved therein.
- Fig. 4 is a schematic representation of an inflatable sealing pad 17 is shown, wherein the sealing pad 17 is shown in its inflated state. In this inflated state, the sealing pad 17 is U-shaped with two substantially mutually parallel webs 18, 19 which can enclose an opening or an outlet of a single tube 2, in particular a Y-shaped single tube to seal it.
- FIG. 5 shows a possible embodiment of a rinsing nozzle 11 with a rinsing opening 13, through which rinsing medium is introduced into a single pipe 2 to be cleaned in a rinsing or cleaning process, and a thread 47 formed opposite the rinsing opening 13 for fastening the rinsing nozzle 11 in the flushing.
- a support ring 20 is formed, which can be sealingly placed on the edge of the mouth opening (s) of a single pipe 2 to be cleaned to prevent flushing medium discharged from the rinsing nozzle 11 Single pipe 2 can flow back into the manifold 1.
- FIG. 6 shows a rinsing nozzle 11, a pressing device 12 and a flushing medium line 21, which opens into the rinsing nozzle 11 in order to supply the rinsing nozzle 11 with a rinsing medium.
- a ring-shaped and cone-shaped sealing element 22 is arranged on the outer circumferential surface of the flushing nozzle 11, the Outer surface tapered to the flushing nozzle opening 13 is tapered.
- the sealing element 22 is made of an elastic rubber and serves to achieve a particularly tight sealing of the flushing nozzle 11 with respect to the inner wall or the mouth opening of a single pipe 2 to be cleaned.
- a pressing device 12 of the flushing nozzle 11 is also assigned here a hydraulic cylinder.
- Fig. 7 shows a similar to the embodiment shown in Fig. 6 flushing device in a partial view, in which case a lighting means 23 is additionally provided.
- the light-emitting means 23 is arranged adjacent to the rinsing nozzle 11 in such a way that the area immediately in front of the rinsing nozzle 11 can be illuminated with the light-emitting means 23.
- the light-emitting means 23 is designed here in the form of an LED light, which has a particularly long life.
- FIG. 8 shows a further embodiment of a flushing device which is introduced into a collecting pipeline 1.
- the rinsing device has a rinsing nozzle 11 which, in the embodiment shown in FIG. 8, is arranged sealingly at the mouth opening 24 in a single pipe 2 branching from the collecting pipe 1 for cleaning the individual pipe 2.
- the rinsing nozzle 11 is arranged in the region of the mouth opening 24 of the single tube 2 projecting into this in the collecting pipe 1.
- the rinsing nozzle 11 has a bearing ring 20 and a sealing element 22 designed in the form of an O-ring, the sealing element 22 abutting the inner wall 25 of the collecting pipeline 1 in the area of the mouth opening 24.
- the rinsing nozzle 11 is provided with a flushing medium line 21, here in the form a high pressure hose connected. With the rinsing nozzle 11, a pressing device 12 is further connected in the form of a clamping cylinder, wherein the clamping cylinder is driven by the supplied rinsing medium. With the arrow 26, the direction of movement of the flushing nozzle 11 is shown by means of the pressing device, which is provided vertically or perpendicular to the direction of travel 27 of the flushing device in the form of a linear guide. The rinsing device is guided along the travel direction 27 by means of a guide rod 16 connected to the pressing device 12. Furthermore, the rinsing device shown in FIG. 8 has a guide device with a plurality of circumferentially arranged rolling elements 28 which can roll on the inner wall 25 of the collecting pipeline 1.
- FIG. 9 shows a further embodiment of a flushing device, wherein in this case the pressing device 12 connected to the flushing nozzle 11 is designed in the form of a mechanically actuable tensioning device which has a spindle 29 on which a first V-shaped clamping arm 30 and a second V-shaped clamping arm 30 are provided.
- shaped trained clamping arm 31 are arranged, whose opening angle is variable in a movement of the clamping arms 30, 31 along the spindle 39.
- At one end of the first clamping arm 30 is a first gear 32 and at one end of the second clamping arm 31, a second gear 33 is arranged, wherein the first gear 32 and the second gear 33 engage with each other and are rotatable in opposite directions.
- the two clamping arms 30, 31 are connected to a plate 34, preferably a Teflon plate, which can be fastened via a bore 35 within the clamping device.
- the rinsing nozzle 11 is connected via a further plate and the gears 32, 33 with the pressing device 12.
- a guiding and / or driving device in which on a lower side 36 of a housing 37 of the flushing device, a first pair of rollers 38 with two rolling elements 39, wherein only one of the two rolling elements 39 can be seen here , Is arranged and at an upper side 40 of a housing 37 of the flushing device, a second pair of rollers 41 and a third pair of rollers 42, each of two rolling elements 43, 44, wherein also here only one of the two rolling elements 43, 44 can be seen formed are, are arranged.
- the two rolling elements 39 of the first pair of rollers 38 are rigidly arranged on the underside 36 of the housing 37.
- the rolling elements 43, 44 of the second and third roller pair 41, 42 are arranged on the upper side 40 of the housing 37, preferably via an articulated connection.
- two tension springs 45 are provided in order to limit the deflection of the rolling elements 43, 44 in a movement of the rolling elements 43, 44 to each other.
- a first rolling element 43 of the second roller pair 43 are connected to a first rolling element 44 of the third roller pair 42 via a first tension spring 45 and a second rolling element of the second roller pair 41 with a second rolling element of the third roller pair 42 via a second tension spring.
- the rolling elements 43, 44 of the two pairs of rollers 41, 42 arranged on the upper side 40 can thereby be moved apart at the same time in the region of the guiding and / or driving device by their connection to a tension spring, so that the rolling elements 43, 44 of the guiding and / or driving device can follow the tensioning of the pressing device 12.
- the two rigidly arranged on the rinsing device rolling elements 39 of the first roller pair 38 can in a relaxed state of the pressing device 12, in which the pressing device 12 is not stretched, the Clamping device on the first pair of rollers 38 are moved within the manifold 1, which is why the pair of rollers 38 also forms a guiding and / or driving device.
- a stop 46 by means of which a minimum distance of the rolling elements 43 of the first roller pair 41 is fixed to the rolling elements 44 of the second roller pair 42, is provided.
- the housing 37 preferably has a receptacle for the flushing nozzle 11 and the pressing device 12 in addition to the guiding and / or driving device.
- a receptacle for the flushing nozzle 11 and the pressing device 12 in addition to the guiding and / or driving device.
- two such guiding and / or driving devices are provided which are arranged to the left and to the right of the rinsing nozzle 11 or the pressing device 12.
- the flushing device according to the invention is used for the cleaning of individual pipes on clogged superheater walls or inner support tubes, wherein the flushing device is supplied via the respectively assigned inlet collectors the clogged individual tubes or inner support tubes.
- a particularly convenient rinse aid is demineralized or deionized water.
- the suction of the rinsing medium introduced into the respective individual pipe for rinsing takes place at respectively provided suction points and / or by means of suction devices.
- the maximum height of the flushing device according to the invention is about 150 to 180 mm.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011053172.6A DE102011053172B4 (de) | 2011-08-31 | 2011-08-31 | Spülvorrichtung zum Reinigen eines von einer Sammelrohrleitung abzweigenden Einzelrohres eines Rohrsystems |
PCT/EP2012/066987 WO2013030353A1 (de) | 2011-08-31 | 2012-08-31 | Spülvorrichtung und verfahren zum reinigen eines von einer sammelrohrleitung abzweigenden einzelrohres des rohrsystems einer kesselwand eines dampferzeugers |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2751483A1 true EP2751483A1 (de) | 2014-07-09 |
Family
ID=46758771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12753138.2A Withdrawn EP2751483A1 (de) | 2011-08-31 | 2012-08-31 | Spülvorrichtung und verfahren zum reinigen eines von einer sammelrohrleitung abzweigenden einzelrohres des rohrsystems einer kesselwand eines dampferzeugers |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2751483A1 (de) |
DE (1) | DE102011053172B4 (de) |
RU (1) | RU2014111004A (de) |
WO (1) | WO2013030353A1 (de) |
ZA (1) | ZA201402223B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3927477A4 (de) * | 2019-02-20 | 2022-11-02 | Quest Integrity Group, LLC | Kopfteilabgabesystem |
CN110631000A (zh) * | 2019-10-18 | 2019-12-31 | 珠海格力智能装备有限公司 | 蒸汽洗车机及其蒸汽锅炉 |
US11774028B2 (en) | 2020-02-19 | 2023-10-03 | Quest Integrity Group, Llc | Interchangeable seal head system |
US11719377B2 (en) | 2020-03-02 | 2023-08-08 | Quest Integrity Group, Llc | Header delivery system |
CN114623310B (zh) * | 2022-02-28 | 2024-07-02 | 中国水利水电第九工程局有限公司 | 一种排污管道的整体紫外光固化修复工艺 |
CN115971180B (zh) * | 2023-01-04 | 2024-07-12 | 安徽工业大学 | 一种脱硝管道除垢机器人 |
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DE1607964A1 (de) * | 1967-12-21 | 1970-08-27 | Enzinger Union Werke Ag | Verfahren und Vorrichtung zum Reinigen der Spritzduesen von Spritzrohren in Reinigungsmaschinen fuer Flaschen u.dgl. |
DE29912669U1 (de) * | 1999-07-28 | 1999-11-18 | Suttner Gmbh & Co Kg, 33689 Bielefeld | Spritzschutzeinrichtung für eine Reinigungsvorrichtung und Reinigungsvorrichtung |
DE102009007946A1 (de) * | 2009-02-06 | 2011-03-17 | Herm, Jürgen | Verfahren und Vorrichtung zur Rohrreinigung |
Family Cites Families (4)
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JPS62109000A (ja) * | 1985-11-07 | 1987-05-20 | Takao Sakamoto | 熱交換器における伝熱管の内面洗浄方法 |
FR2678418B1 (fr) * | 1991-06-26 | 1994-08-05 | Framatome Sa | Procede de travail au laser dans une zone contaminee d'une installation nucleaire, et equipement pour sa mise en óoeuvre. |
US5429077A (en) * | 1994-07-15 | 1995-07-04 | The Babcock & Wilcox Company | Water hammer rapper method and apparatus |
KR101103805B1 (ko) * | 2009-08-06 | 2012-01-06 | 한전케이피에스 주식회사 | 착탈가능한 탐촉자를 구비한 검사장치 |
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2011
- 2011-08-31 DE DE102011053172.6A patent/DE102011053172B4/de not_active Expired - Fee Related
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2012
- 2012-08-31 WO PCT/EP2012/066987 patent/WO2013030353A1/de active Application Filing
- 2012-08-31 EP EP12753138.2A patent/EP2751483A1/de not_active Withdrawn
- 2012-08-31 RU RU2014111004/06A patent/RU2014111004A/ru not_active Application Discontinuation
-
2014
- 2014-03-26 ZA ZA2014/02223A patent/ZA201402223B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1607964A1 (de) * | 1967-12-21 | 1970-08-27 | Enzinger Union Werke Ag | Verfahren und Vorrichtung zum Reinigen der Spritzduesen von Spritzrohren in Reinigungsmaschinen fuer Flaschen u.dgl. |
DE29912669U1 (de) * | 1999-07-28 | 1999-11-18 | Suttner Gmbh & Co Kg, 33689 Bielefeld | Spritzschutzeinrichtung für eine Reinigungsvorrichtung und Reinigungsvorrichtung |
DE102009007946A1 (de) * | 2009-02-06 | 2011-03-17 | Herm, Jürgen | Verfahren und Vorrichtung zur Rohrreinigung |
Non-Patent Citations (1)
Title |
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See also references of WO2013030353A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102011053172B4 (de) | 2017-05-24 |
DE102011053172A1 (de) | 2013-02-28 |
ZA201402223B (en) | 2015-09-30 |
RU2014111004A (ru) | 2015-10-10 |
WO2013030353A1 (de) | 2013-03-07 |
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