EP0879919B1 - Apparatus for cleaning tunnel walls and/or ceilings - Google Patents
Apparatus for cleaning tunnel walls and/or ceilings Download PDFInfo
- Publication number
- EP0879919B1 EP0879919B1 EP98109347A EP98109347A EP0879919B1 EP 0879919 B1 EP0879919 B1 EP 0879919B1 EP 98109347 A EP98109347 A EP 98109347A EP 98109347 A EP98109347 A EP 98109347A EP 0879919 B1 EP0879919 B1 EP 0879919B1
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- Prior art keywords
- hood
- tunnel
- suction
- nozzle
- travel
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
Definitions
- Tunnel walls and / or tunnel ceilings are subject to the Vehicles passing through a tunnel of heavy pollution, so that cleaning is required at regular intervals is. If the tunnel walls are smooth with tiles or the like Materials are formed, as is the case with car tunnels Is usual, cleaning with roller brush systems under Add water. A corresponding tunnel cleaning machine to carry out this procedure is through the German interpretation 16 58 405 known.
- washing liquid does indeed work with the mechanical one Assistance by cleaning the brush Tunnel walls, nevertheless stick to the well-known tunnel washing vehicle and the serious procedure carried out with this Disadvantages.
- the use of washing liquid and water leads to undesired drenching of the traffic area or the floor, and it should also be borne in mind that in addition to the high water consumption that is contaminated with dirt Water gets into the sewage system. It is also at Use of water particularly disadvantageous because of the Use of water the risk of cable fires in the Existing electrical lines or also in the existing electrical switch boxes is given.
- the invention has for its object a method for Cleaning of tunnel walls and tunnels to create which wet the tunnel floor with simple means and pollution of the sewage systems with dirty water avoids, and which also the danger of cable fires and short circuits eliminated.
- the invention is also the Task based on a device for performing a to provide such a method.
- This task is performed in a method for cleaning tunnel walls and / or tunnel ceilings of a tunnel of dusty stuck deposits and dirt from the Features of claim 1 and in a device for Carrying out such a process by the features of claim 3 solved.
- the method according to the invention is based on the fundamental Thoughts when cleaning tunnel walls by adding to produce an aerosol from water in a stream of compressed air which is sprayed with pressure against the tunnel walls and dissolves the dirt and forms in a dusty atmosphere of an air-dirt-water mixture.
- the water consumption becomes significant reduced because the compressed air flow is comparatively little Water needs to be added.
- To generate the aerosol serve several blowing nozzles that are spaced from the Tunnel wall or tunnel ceiling of the circumference of a nozzle hood distributed and provided with one injector each are.
- A is used to extract the dust-containing atmosphere suction hood arranged at a distance from the nozzle hood with at least a suction arrangement is used, the suction hub essentially the same dimensions and the same shape as the nozzle hood has.
- An important aspect of the invention is that through the nozzle hood and the Suction hood a suction chamber is formed such that the Tunnel cross-section through the nozzle hood in the direction of travel at the front and through the suction hood in the direction of travel to the rear is predominantly sealed. This ensures that not the dusty atmosphere with the loosened dirt remains, but be vacuumed into a dirt container can.
- Both the nozzle hood and the suction hood extend thus not all the way to the tunnel wall, but end at a distance from the tunnel wall, so that the aforementioned from the parts of the tunnel wall projecting on the one hand not from the both hoods are touched, but on the other hand with the Water supplied compressed air flow for cleaning become. Since only comparatively little water is used is also extracted and the dusty atmosphere generated the use of water is not a problem, so that, for example, cable fires or others through a Exposure to water prevents possible consequential damage.
- the sewage systems are cleaned by cleaning the tunnel walls not at all polluted because of the dusty atmosphere is collected in a closed dirt container. Out for this reason, there is also advantageously no Soaking the tunnel floor.
- the method provides for several blowing nozzles from one common ring line are fed and that several Ring lines with their own blowing nozzles are used, the ring lines being operated in a pulsating manner, that only a part of all blowing nozzles, preferably only a third, at the same time spraying a compressed air / water mixture.
- the inventive device for performing the method includes the nozzle hood already mentioned, which runs along the Tunnels can be moved and are at a distance from the tunnel wall or extends from the tunnel ceiling. On the circumference of the nozzle hood are several distributed with an injector Blow nozzles arranged, which are directed to the tunnel wall.
- Blower nozzles From those arranged at a safe distance from the tunnel wall Blower nozzles enter a compressed air / water mixture directed towards the tunnel wall which forms an aerosol and which on the Debris and dirt and stuck deposits Dust dissolves and creates a dusty atmosphere.
- the device according to the invention also arranged movably Suction hood with essentially the same dimensions and the same shape as the nozzle hood.
- the suction hood has at least one suction arrangement for vacuuming the dusty Atmosphere in one of the nozzle hood and the suction hood Formed suction chamber is arranged, the nozzle hood and the suction hood are designed such that the tunnel cross section in the direction of travel forward through the nozzle hood and predominantly in the direction of travel to the rear through the suction hood is sealable.
- the nozzle hood comprises adjustable segments, each with a variety are arranged by blowing nozzles, the segments being radial towards the tunnel wall as well as in opposite Direction are adjustable.
- suction hood adjustable Includes segments that are radial towards the tunnel wall and adjustable in the opposite direction.
- adjustable segments can also be adjustable Bulkheads may be provided.
- Another expedient embodiment of the invention provides before that the outer edge of both the nozzle hood and the Suction hood is provided with an elastic hood end.
- This elastic hood end extends further towards the tunnel wall as the nozzle hood and the Suction hood itself.
- the elastic hood ends can definitely with those that protrude from the tunnel wall Parts and railway equipment in contact come. However, this is not annoying because of the elastic Design of the hood ends z. B. in the form of Rubber will not damage the railway equipment.
- the elastic hood ends an even better if not complete seal of the tunnel through the nozzle hood and through the suction hood achieve, reducing the effectiveness of between the nozzle hood and the suction hood located suction chamber increased becomes.
- FIG. 1 shows a tunnel 10 as a railway tunnel with a tunnel wall 12.
- a towing vehicle 16 which is coupled to a wagon 14.
- nozzle hood 18 At the rear end of the towing vehicle 16 there is a nozzle hood 18, and further are on the towing vehicle 16 Water tank 32 and a compressor 34 for the operation of the nozzle hood 18 provided.
- a suction hood 20 is arranged at the front end of the wagon 14, which comprises a suction funnel 22. Also located a dirt container 26 and one on the wagon 14 Fan 28 with an exhaust duct and a motor 30 for the Operation of the suction hood 20.
- the outer dimensions of the nozzle hood 18 are less than the inner cross section of the tunnel 10 in such a way that any existing and projecting from the tunnel wall 12 inwards Parts of the nozzle hood 18 while driving through the Tunnels are not touched.
- the nozzle hood 18 has one elastic hood end 56, through which the outer dimensions the nozzle hood 18 can be enlarged, but the is always at a distance from the tunnel wall 12 and thus leaves a gap. This gap is important thus an air flow 52 through it into a suction chamber 24 can get through the space between the nozzle hood 18 and the suction hood 20 is formed.
- the mentioned by the Tunnel wall 12 excellent parts are through the hood closure 56 not damaged because the hood end 56 is elastic and can avoid these parts.
- the suction hood 20 has approximately the same external dimensions like the nozzle hood 18 and is also with an elastic Hood cover 54 provided the same function how the elastic hood end 56 of the nozzle hood fulfills.
- the elastic hood end 54 also allows one Gap free, through which an air flow 52 into the suction chamber 24 can reach.
- the tunnel 10 or the corresponding tunnel cross section is so through the nozzle hood 18 and Suction hood 20 predominantly, but because of the column mentioned not fully sealed. However, the seal is sufficient enough that between the nozzle hood 18 and the Suction hood 20 can form the aforementioned suction chamber 24.
- FIG. 2 shows an example of a cross section of a tunnel 10, which is formed by a tunnel tube 36.
- Tunnel lighting 38 and various supply lines are such 40 as required railway facilities intended.
- These parts face the tunnel wall 12 outstanding parts and are allowed to drive with the towing vehicle 16 are not damaged. For this reason a clearance profile is shown in Fig. 2, which the Delimits the area of the tunnel cross-section that is absolutely free is to be kept in order to damage the railway equipment to avoid.
- FIG. 3 shows adjustable segments 48 of the nozzle hood 18 shown, together with an adjustable bulkhead 46. Sensor-controlled pneumatic cylinders are used for the adjustment 50 provided.
- the dashed line 44 indicates the vehicle body of the towing vehicle again.
- Fig. 4 the segments 48 and the bulkhead 46 in the extended Position.
- the pneumatic cylinder 50 By actuating the pneumatic cylinder 50 has the outer circumference of the nozzle hood 18 is enlarged.
- the individual adjustable segments 48 can optionally overlap and in different parallel planes are located. The same applies to the bulkhead 46, of of which several can be provided.
- blowing nozzles 58 which are provided on the nozzle hood 18 are and expediently on the adjustable Segments 48 are located.
- the blow nozzles 58 are on the outer edge of the adjustable segments 48 arranged so that they are in are close to the tunnel wall 12.
- FIGS A plurality of blowing nozzles 58 are shown in FIGS a common first ring line 60 and a second Ring line 62 fed; 7 is a third one Ring line 64 and a fourth ring line 66 shown.
- hose connections 70 are provided.
- each blowing nozzle 58 produces each blowing nozzle 58 a compressed air water mixture or a compressed air water jet 68, which is directed to the tunnel wall 12.
- a compressed air water jet 68 becomes the dirt from the tunnel wall 12 solved and transferred into a dusty atmosphere.
- the dusty atmosphere is an air-dirt-water mixture 72 (see FIG. 1), the water content is comparatively small.
- the suction funnel 22 is also the largest Part of the water used for cleaning is also collected. The bottom of the tunnel 10 is therefore subject to practically no drenching.
- the different Ring lines 60 - 66 operated pulsating, so that from only a part of all blowing nozzles 58 involved in operation is and the compressed air / water mixture 68 sprays.
- the blow nozzles in this way work pulsating that only ever a third of the blow nozzles 68 is in use at the same time.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Description
Tunnelwände und/oder Tunneldecken unterliegen wegen der den
Tunnel durchfahrenden Fahrzeuge einer starken Verschmutzung,
so dass in regelmäßigen Abständen eine Reinigung erforderlich
ist. Sofern die Tunnelwände glatt mit Kacheln oder dergleichen
Materialien ausgebildet sind, wie dies bei Auto-Tunneln
üblich ist, kann die Reinigung mit Walzenbesensystemen unter
Zugabe von Wasser erfolgen. Eine entsprechende Tunnelreinigungsmaschine
zur Durchführung dieses Verfahrens ist durch
die deutsche Auslegeschrift 16 58 405 bekannt.Tunnel walls and / or tunnel ceilings are subject to the
Vehicles passing through a tunnel of heavy pollution,
so that cleaning is required at regular intervals
is. If the tunnel walls are smooth with tiles or the like
Materials are formed, as is the case with car tunnels
Is usual, cleaning with roller brush systems under
Add water. A corresponding tunnel cleaning machine
to carry out this procedure is through
the
Schwieriger gestaltet sich die Reinigung, wenn in dem Tunnel von der Tunnelwand vorspringende Teile, z. B. Verkehrszeichen, Beleuchtungskörper, Belüftungseiririchtungen, Signalanlagen, Oberleitungen, elektrische Versorgungsleitungen und andere Einrichtungen vorhanden sind. Derartige Tunnel sind überwiegend bei Eisenbahnen oder bei U-Bahnen anzutreffen.Cleaning is more difficult when in the tunnel parts projecting from the tunnel wall, e.g. B. traffic signs, Lighting fixtures, ventilation devices, signal systems, Overhead lines, electrical supply lines and other facilities are available. Such tunnels are mainly found on railways or subways.
Durch die deutsche Patentschrift DE 26 58 420 C2 ist für diesen
Zweck ein Tunnelwaschfahrzeug bekannt, welches mit einer
Bürste bzw. einem Walzenbesen unter Zugabe einer für die Reinigung
erforderlichen Waschflüssigkeit arbeitet, wobei gegebenenfalls
auch noch ein Nachspülen mit Spritzdüsen vorgesehen
wird, die der Bürste nachgeordnet sind. Das bekannte Tunnelwaschfahrzeug
ermöglicht es, den richtigen Arbeitsabstand
der Achse der Bürste bzw. der Achse des Walzenbesens von der
Tunnelwand einzuhalten, so dass bei vorspringenden Teilen der
Tunnelwand diesen Hindernissen ausgewichen werden kann, ohne
dass Beschädigungen dieser vorspringenden Teile auftreten.Through the
Der Einsatz von Waschflüssigkeit bewirkt zwar mit der mechanischen Unterstützung durch die Bürste eine Reinigung der Tunnelwände, gleichwohl haften dem bekannten Tunnelwaschfahrzeug und dem mit diesem durchgeführten Verfahren gravierende Nachteile an. Die Verwendung von Waschflüssigkeit und Wasser führt zu einer unerwünschten Durchnässung der Verkehrsfläche bzw. des Bodens, und ferner ist zu berücksichtigen, dass neben dem hohen Wasserverbrauch das mit dem Schmutz behaftete Wasser in die Abwasseranlagen gelangt. Außerdem ist es bei Verwendung von Wasser besonders nachteilig, dass durch den Einsatz von Wasser die Gefahr von Kabelbränden bei den im Tunnel vorhandenen elektrischen Leitungen oder auch bei den vorhandenen elektrischen Schaltkästen gegeben ist.The use of washing liquid does indeed work with the mechanical one Assistance by cleaning the brush Tunnel walls, nevertheless stick to the well-known tunnel washing vehicle and the serious procedure carried out with this Disadvantages. The use of washing liquid and water leads to undesired drenching of the traffic area or the floor, and it should also be borne in mind that in addition to the high water consumption that is contaminated with dirt Water gets into the sewage system. It is also at Use of water particularly disadvantageous because of the Use of water the risk of cable fires in the Existing electrical lines or also in the existing electrical switch boxes is given.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Reinigung von Tunnelwänden und Tunneldecken zu schaffen, welches mit einfachen Mittel eine Durchnässung des Tunnelbodens sowie eine Belastung der Abwasseranlagen mit schmutzigem Wasser vermeidet, und welches auch die Gefahr von Kabelbränden und Kurzschlüssen beseitigt. Der Erfindung liegt außerdem die Aufgabe zugrunde, eine Vorrichtung zur Durchführung eines derartigen Verfahrens bereitzustellen.The invention has for its object a method for Cleaning of tunnel walls and tunnels to create which wet the tunnel floor with simple means and pollution of the sewage systems with dirty water avoids, and which also the danger of cable fires and short circuits eliminated. The invention is also the Task based on a device for performing a to provide such a method.
Diese Aufgabe wird bei einem Verfahren zur Reinigung von Tunnelwänden und/oder von Tunneldecken eines Tunnels von staubhaltigen festsitzenden Ablagerungen und von Schmutz durch die Merkmale des Patentanspruchs 1 und bei einer Vorrichtung zur Durchführung eines derartigen Verfahrens durch die Merkmale des Patentanspruchs 3 gelöst.This task is performed in a method for cleaning tunnel walls and / or tunnel ceilings of a tunnel of dusty stuck deposits and dirt from the Features of claim 1 and in a device for Carrying out such a process by the features of claim 3 solved.
Das erfindungsgemäße Verfahren beruht auf dem grundlegenden Gedanken, bei der Reinigung von Tunnelwänden durch die Zugabe von Wasser in einen Druckluftstrom ein Aerosol zu erzeugen, welches mit Druck gegen die Tunnelwände gespritzt wird und den Schmutz löst und in eine staubhaltige Atmosphäre in Form eines Luft-Schmutz-Wassergemisches überführt. Im Vergleich zu bekannten Lösungen wird der Wasserverbrauch dadurch erheblich reduziert, weil dem Druckluftstrom nur vergleichsweise wenig Wasser zugegeben zu werden braucht. Zur Erzeugung des Aerosols dienen mehrere Blasdüsen, die auf dem im Abstand von der Tunnelwand bzw. Tunneldecke verlaufenden Umfang einer Düsenhaube verteilt angeordnet und mit jeweils einem Injektor versehen sind.The method according to the invention is based on the fundamental Thoughts when cleaning tunnel walls by adding to produce an aerosol from water in a stream of compressed air which is sprayed with pressure against the tunnel walls and dissolves the dirt and forms in a dusty atmosphere of an air-dirt-water mixture. Compared to known solutions, the water consumption becomes significant reduced because the compressed air flow is comparatively little Water needs to be added. To generate the aerosol serve several blowing nozzles that are spaced from the Tunnel wall or tunnel ceiling of the circumference of a nozzle hood distributed and provided with one injector each are.
Zum Absaugen der erzeugten staubhaltigen Atmosphäre wird eine im Abstand zur Düsenhaube angeordnete Saughaube mit mindestens einer Sauganordnung verwendet, wobei die Saughabe im wesentlichen die gleichen Abmessungen und die gleiche.Form wie die Düsenhaube aufweist. Ein wichtiger Gesichtspunkt der Erfindung besteht darin, dass durch die Düsenhaube und die Saughaube eine Saugkammer gebildet wird, dergestalt, dass der Tunnelquerschnitt durch die Düsenhaube in Fahrtrichtung nach vorne und durch die Saughaube in Fahrtrichtung nach hinten überwiegend abgedichtet wird. Dadurch ist gewährleistet, dass die staubhaltige Atmosphäre mit dem gelösten Schmutz nicht zurückbleibt, sondern in einen Schmutzbehälter abgesaugt werden kann.A is used to extract the dust-containing atmosphere suction hood arranged at a distance from the nozzle hood with at least a suction arrangement is used, the suction hub essentially the same dimensions and the same shape as the nozzle hood has. An important aspect of the invention is that through the nozzle hood and the Suction hood a suction chamber is formed such that the Tunnel cross-section through the nozzle hood in the direction of travel at the front and through the suction hood in the direction of travel to the rear is predominantly sealed. This ensures that not the dusty atmosphere with the loosened dirt remains, but be vacuumed into a dirt container can.
Sowohl die Düsenhaube als auch die Saughaube erstrecken sich somit nicht ganz bis an die Tunnelwand, sondern enden im Abstand von der Tunnelwand, so dass die eingangs erwähnten von der Tunnelwand vorstehenden Teile einerseits nicht von den beiden Hauben berührt werden, andererseits aber mit dem mit Wasser versehenen Druckluftstrom für die Reinigung beaufschlagt werden. Da nur vergleichsweise wenig Wasser verwendet wird und außerdem die erzeugte staubhaltige Atmosphäre abgesaugt wird, bereitet der Einsatz von Wasser keine Probleme, so dass beispielsweise Kabelbrände oder andere durch eine Einwirkung von Wasser mögliche Folgeschäden vermieden sind. Die Abwasseranlagen werden durch die Reinigung der Tunnelwände überhaupt nicht belastet, weil die staubhaltige Atmosphäre in einen geschlossenen Schmutzbehälter aufgefangen wird. Aus diesem Grunde unterbleibt in vorteilhafter Weise auch eine Durchnässung des Tunnelbodens.Both the nozzle hood and the suction hood extend thus not all the way to the tunnel wall, but end at a distance from the tunnel wall, so that the aforementioned from the parts of the tunnel wall projecting on the one hand not from the both hoods are touched, but on the other hand with the Water supplied compressed air flow for cleaning become. Since only comparatively little water is used is also extracted and the dusty atmosphere generated the use of water is not a problem, so that, for example, cable fires or others through a Exposure to water prevents possible consequential damage. The sewage systems are cleaned by cleaning the tunnel walls not at all polluted because of the dusty atmosphere is collected in a closed dirt container. Out for this reason, there is also advantageously no Soaking the tunnel floor.
In einer zweckmäßigen Ausgestaltung des erfindungsgemäßen Verfahrens ist vorgesehen, dass mehrere Blasdüsen von einer gemeinsamen Ringleitung gespeist werden und dass mehrere Ringleitungen mit jeweils eigenen Blasdüsen verwendet werden, wobei die Ringleitungen pulsierend betrieben werden, derart, dass von allen Blasdüsen jeweils nur ein Teil, vorzugsweise nur ein Drittel, gleichzeitig ein Druckluftwassergemisch versprüht.In an expedient embodiment of the invention The method provides for several blowing nozzles from one common ring line are fed and that several Ring lines with their own blowing nozzles are used, the ring lines being operated in a pulsating manner, that only a part of all blowing nozzles, preferably only a third, at the same time spraying a compressed air / water mixture.
Die erfindungsgemäße Vorrichtung zur Durchführung des Verfahrens umfasst die schon erwähnte Düsenhaube, die längs des Tunnels verfahrbar ist und sich im Abstand von der Tunnelwand bzw. von der Tunneldecke erstreckt. Auf dem Umfang der Düsenhaube sind verteilt mehrere mit einem Injektor versehene Blasdüsen angeordnet, die auf die Tunnelwand gerichtet sind.The inventive device for performing the method includes the nozzle hood already mentioned, which runs along the Tunnels can be moved and are at a distance from the tunnel wall or extends from the tunnel ceiling. On the circumference of the nozzle hood are several distributed with an injector Blow nozzles arranged, which are directed to the tunnel wall.
Aus den im Sicherheitsabstand von der Tunnelwand angeordneten Blasdüsen tritt ein auf die Tunnelwand gerichtetes Druckluftwassergemisch aus, welches ein Aerosol bildet und die auf der Tunnelwand festsitzenden Ablagerungen und den Schmutz und Staub löst und eine staubhaltige Atmosphäre erzeugt.From those arranged at a safe distance from the tunnel wall Blower nozzles enter a compressed air / water mixture directed towards the tunnel wall which forms an aerosol and which on the Debris and dirt and stuck deposits Dust dissolves and creates a dusty atmosphere.
In Fahrtrichtung gesehen hinter der Düsenhaube umfasst die erfindungsgemäße Vorrichtung die ebenfalls verfahrbar angeordnete Saughaube mit im Wesentlichen gleichen Abmessungen und gleicher Form wie die Düsenhaube. Die Saughaube besitzt mindestens eine Sauganordnung zum Absaugen der staubhaltigen Atmosphäre, die in einer von der Düsenhaube und der Saughaube gebildeten Saugkammer angeordnet ist, wobei die Düsenhaube und die Saughaube derart ausgebildet sind, dass der Tunnelquerschnitt in Fahrtrichtung nach vorne durch die Düsenhaube und in Fahrtrichtung nach hinten durch die Saughaube überwiegend abdichtbar ist. Seen behind the nozzle hood in the direction of travel, the device according to the invention also arranged movably Suction hood with essentially the same dimensions and the same shape as the nozzle hood. The suction hood has at least one suction arrangement for vacuuming the dusty Atmosphere in one of the nozzle hood and the suction hood Formed suction chamber is arranged, the nozzle hood and the suction hood are designed such that the tunnel cross section in the direction of travel forward through the nozzle hood and predominantly in the direction of travel to the rear through the suction hood is sealable.
In zweckmäßiger Ausgestaltung der Erfindung umfasst die Düsenhaube verstellbare Segmente, an denen jeweils eine Vielzahl von Blasdüsen angeordnet sind, wobei die Segmente radial in Richtung auf die Tunnelwand sowie in entgegengesetzte Richtung verstellbar sind.In an expedient embodiment of the invention, the nozzle hood comprises adjustable segments, each with a variety are arranged by blowing nozzles, the segments being radial towards the tunnel wall as well as in opposite Direction are adjustable.
Durch die mittels pneumatischer Zylinder verstellbaren Segmente lässt sich der Umfang und die äußere Kontur der Düsenhaube verändern, nämlich vergrößern oder verkleinern. Dadurch ist es möglich, die Größe der Düsenhaube an die Größe des jeweiligen Tunnels anzupassen.Due to the segments adjustable by means of pneumatic cylinders the circumference and the outer contour of the nozzle hood change, namely enlarge or reduce. Thereby it is possible to resize the nozzle hood to the size of each Adapt tunnels.
Entsprechend ist in einer anderen vorteilhaften Ausgestaltung der Erfindung vorgesehen, dass die Saughaube verstellbare Segmente umfasst, die radial in Richtung auf die Tunnelwand sowie in entgegen gesetzte Richtung verstellbar sind. Anstelle der verstellbaren Segmente können auch verstellbare Schottwände vorgesehen sein.This is corresponding in another advantageous embodiment the invention provided that the suction hood adjustable Includes segments that are radial towards the tunnel wall and adjustable in the opposite direction. Instead of The adjustable segments can also be adjustable Bulkheads may be provided.
Eine weitere zweckmäßige Ausgestaltung der Erfindung sieht vor, dass der äußere Rand sowohl der Düsenhaube als auch der Saughaube mit einem elastischen Haubenabschluss versehen ist. Dieser elastische Haubenabschluss erstreckt sich jeweils weiter in Richtung auf die Tunnelwand als die Düsenhaube und die Saughaube selbst. Bei Bewegung der erfindungsgemäßen Vorrichtung in Fahrtrichtung können daher die elastischen Haubenabschlüsse durchaus mit den von der Tunnelwand hervorspringenden Teilen und bahntechnischen Einrichtungen in Berührung kommen. Dies ist jedoch nicht störend, denn wegen der elastischen Ausgestaltung der Haubenabschlüsse z. B. in Form von Gummi werden die bahntechnischen Einrichtungen nicht beschädigt. Andererseits lässt sich durch die elastischen Haubenabschlüsse eine noch bessere wenn auch nicht vollständige Abdichtung des Tunnels durch die Düsenhaube und durch die Saughaube erreichen, wodurch die Wirksamkeit der zwischen der Düsenhaube und der Saughaube befindlichen Saugkammer erhöht wird.Another expedient embodiment of the invention provides before that the outer edge of both the nozzle hood and the Suction hood is provided with an elastic hood end. This elastic hood end extends further towards the tunnel wall as the nozzle hood and the Suction hood itself. When moving the device according to the invention in the direction of travel, the elastic hood ends can definitely with those that protrude from the tunnel wall Parts and railway equipment in contact come. However, this is not annoying because of the elastic Design of the hood ends z. B. in the form of Rubber will not damage the railway equipment. On the other hand, the elastic hood ends an even better if not complete seal of the tunnel through the nozzle hood and through the suction hood achieve, reducing the effectiveness of between the nozzle hood and the suction hood located suction chamber increased becomes.
Weitere zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben. Further expedient refinements and advantageous developments the invention are specified in the subclaims.
Anhand des in der Zeichnung dargestellten Ausführungsbeispiels wird die Erfindung nachfolgend näher erläutert. Es zeigen:
- Fig. 1
- eine schematische Seitenansicht einer auf Schienenfahrzeugen angeordneten Vorrichtung in einem Tunnel,
- Fig. 2
- eine Querschnittansicht eines Tunnels ohne die erfindungsgemäße Vorrichtung,
- Fig. 3
- eine Querschnittansicht eines Tunnels mit einer erfindungsgemäßen Vorrichtung mit der Ansicht einer Düsenhaube mit verstellbaren Segmenten,
- Fig. 4
- eine Ansicht gemäß Fig. 3, wobei die verstellbaren Segmente der Düsenhaube ausgefahren sind,
- Fig. 5 u.6
- jeweils eine Teildarstellung von Blasdüsen in einer Draufsicht auf die Düsenhaube, und
- Fig. 7
- einen Längsschnitt einer Teildarstellung von Blasdüsen.
- Fig. 1
- 1 shows a schematic side view of a device arranged on rail vehicles in a tunnel,
- Fig. 2
- 2 shows a cross-sectional view of a tunnel without the device according to the invention,
- Fig. 3
- 2 shows a cross-sectional view of a tunnel with a device according to the invention with the view of a nozzle hood with adjustable segments,
- Fig. 4
- 3, the adjustable segments of the nozzle hood being extended,
- 5 and 6
- each a partial representation of blowing nozzles in a plan view of the nozzle hood, and
- Fig. 7
- a longitudinal section of a partial view of blow nozzles.
Die Darstellung in Fig. 1 zeigt einen Tunnel 10 als Eisenbahntunnel
mit einer Tunnelwand 12. In dem Tunnel 10 fährt in
der durch den Pfeil A angedeuteten Fahrtrichtung ein Zugfahrzeug
16, welches mit einem Waggon 14 gekoppelt ist.The illustration in FIG. 1 shows a
Am hinteren Ende des Zugfahrzeuges 16 befindet sich eine Düsenhaube
18, und ferner sind auf dem Zugfahrzeug 16 noch ein
Wassertank 32 sowie ein Kompressor 34 für den Betrieb der Düsenhaube
18 vorgesehen.At the rear end of the towing
Am vorderen Ende des Waggons 14 ist eine Saughaube 20 angeordnet,
die einen Saugtrichter 22 umfasst. Außerdem befinden
sich auf dem Waggon 14 noch ein Schmutzbehälter 26 sowie ein
Ventilator 28 mit einem Abluftkanal und ein Motor 30 für den
Betrieb der Saughaube 20.A
Die äußeren Abmessungen der Düsenhaube 18 sind geringer als
der innere Querschnitt des Tunnels 10, und zwar derart, dass
eventuell vorhandene und von der Tunnelwand 12 nach innen ragende
Teile von der Düsenhaube 18 während der Fahrt durch den
Tunnel nicht berührt werden. Die Düsenhaube 18 besitzt einen
elastischen Haubenabschluss 56, durch welchen die äußeren Abmessungen
der Düsenhaube 18 vergrößert werden, der sich jedoch
stets im Abstand von der Tunnelwand 12 befindet und somit
einen Spalt frei lässt. Dieser Spalt ist von Bedeutung,
damit ein Luftstrom 52 durch ihn hindurch in eine Saugkammer
24 gelangen kann, die durch den Raum zwischen der Düsenhaube
18 und der Saughaube 20 gebildet wird. Die erwähnten von der
Tunnelwand 12 hervorragenden Teile werden durch den Haubenabschluss
56 nicht beschädigt, weil der Haubenabschluss 56
elastisch ausgebildet ist und diesen Teilen ausweichen kann.The outer dimensions of the
Die Saughaube 20 besitzt etwa die gleichen äußeren Abmessungen
wie die Düsenhaube 18 und ist ebenfalls mit einem elastischen
Haubenabschluss 54 versehen, der die gleiche Funktion
wie der elastische Haubenabschluss 56 der Düsenhaube erfüllt.
Insbesondere lässt auch der elastische Haubenabschluss 54 einen
Spalt frei, durch den ein Luftstrom 52 in die Saugkammer
24 gelangen kann. Der Tunnel 10 bzw. der entsprechende Tunnelquerschnitt
wird also durch die Düsenhaube 18 und die
Saughaube 20 überwiegend, aber wegen der erwähnten Spalte
nicht vollständig abgedichtet. Die Abdichtung ist jedoch hinreichend
genug, dass sich zwischen der Düsenhaube 18 und der
Saughaube 20 die erwähnte Saugkammer 24 ausbilden kann.The
Fig. 2 zeigt ein Beispiel eines Querschnittes eines Tunnels
10, der durch eine Tunnelröhre 36 gebildet wird. In üblicher
Weise sind eine Tunnelbeleuchtung 38 sowie verschiedene Versorgungsleitungen
40 als erforderliche bahntechnische Einrichtungen
vorgesehen. Diese Teile stellen von der Tunnelwand
12 hervorragende Teile dar und dürfen während der Fahrt mit
dem Zugfahrzeug 16 nicht beschädigt werden. Aus diesem Grunde
ist in Fig. 2 ein Lichtraumprofil dargestellt, welches den
Bereich des Tunnelquerschnitts abgrenzt, der unbedingt frei
zu halten ist, um Beschädigungen der bahntechnischen Einrichtungen
zu vermeiden.2 shows an example of a cross section of a
In Fig. 3 sind verstellbare Segmente 48 der Düsenhaube 18
dargestellt, zusammen mit einer verstellbaren Schottwand 46.
Für die Verstellung sind sensorgesteuerte Pneumatikzylinder
50 vorgesehen. Die gestrichelte Linie 44 gibt den Fahrzeugaufbau
des Zugfahrzeuges wieder.3 shows
Zur Verdeutlichung der Möglichkeit des Verstellens zeigt Fig.
4 die Segmente 48 sowie die Schottwand 46 in ausgefahrener
Position. Durch Betätigung der Pneumatikzylinder 50 hat sich
dabei der äußere Umfang der Düsenhaube 18 vergrößert. Die
einzelnen verstellbaren Segmente 48 können sich gegebenenfalls
überlappen und in unterschiedlichen parallelen Ebenen
befinden. Entsprechendes gilt auch für die Schottwand 46, von
der mehrere vorgesehen werden können.To illustrate the possibility of adjustment, Fig.
4 the
Fig. 5 - 7 zeigen Blasdüsen 58, die an der Düsenhaube 18 vorgesehen
sind und sich zweckmäßigerweise an den verstellbaren
Segmenten 48 befinden. Die Blasdüsen 58 sind am äußeren Rand
der verstellbaren Segmente 48 angeordnet, so dass sie sich im
geringen Abstand zur Tunnelwand 12 befinden.5-7 show blowing nozzles 58 which are provided on the
Mehrere Blasdüsen 58 werden gemäß Fig. 5 und 6 jeweils von
einer gemeinsamen ersten Ringleitung 60 und einer zweiten
Ringleitung 62 gespeist; in Fig. 7 sind noch eine dritte
Ringleitung 64 und eine vierte Ringleitung 66 dargestellt. Um
eine Verbindung zu benachbarten Segmenten 48 herzustellen,
sind Schlauchverbindungen 70 vorgesehen.A plurality of blowing
Mit Hilfe des in dem Wassertank 32 (vgl. Fig. 1) befindlichen
Wassers sowie mit Hilfe des Kompressors 34 erzeugt jede Blasdüse
58 ein Druckluftwassergemisch bzw. einen Druckluftwasserstrahl
68, der auf die Tunnelwand 12 gerichtet ist. Durch
den Druckluftwasserstrahl 68 wird der Schmutz von der Tunnelwand
12 gelöst und in eine staubhaltige Atmosphäre überführt.With the help of the one in the water tank 32 (see FIG. 1)
Water as well as with the help of the
Durch den Betrieb des Ventilators 28 (vgl. Fig. 1) sowie
durch den Saugtrichter 22 der Saughaube 20 bildet sich zwischen
der Saughaube 20 und der Düsenhaube 18 die Saugkammer
24 aus, wodurch die in Fig. 1 gezeigten Luftströme 52 in die
Saugkammer 24 fließen. Die erwähnte schmutzhaltige Atmosphäre
wird somit durch den Saugtrichter 22 in dem Schmutzbehälter
26 abgesaugt. Solche Schmutzbehälter sind für sich gesehen
bei Straßenreinigungsfahrzeugen bekannt. Der Staub wird in
dem Schmutzbehälter 26 niedergeschlagen und kann zu einem
späteren Zeitpunkt außerhalb des Tunnels 10 entleert werden.Through the operation of the fan 28 (see FIG. 1) and
through the
Bei der staubhaltigen Atmosphäre handelt es sich um ein Luft-Schmutz-Wasser-Gemisch
72 (vgl. Fig. 1), wobei der Wasseranteil
vergleichsweise gering ist. Außerdem wird durch den
Saugtrichter 22 neben dem gelösten Schmutz auch der größte
Teil des für die Reinigung verwendeten Wasseranteils mit aufgefangen.
Der Boden des Tunnels 10 unterliegt damit praktisch
keiner Durchnässung.The dusty atmosphere is an air-dirt-water mixture
72 (see FIG. 1), the water content
is comparatively small. In addition, the
In addition to the loosened dirt, the
In einer vorteilhaften Arbeitsweise werden die unterschiedlichen
Ringleitungen 60 - 66 pulsierend betrieben, so dass von
allen beteiligten Blasdüsen 58 jeweils nur ein Teil in Betrieb
ist und das Druckluftwassergemisch 68 versprüht. Als
zweckmäßig hat es sich erwiesen, wenn die Blasdüsen derart
pulsierend arbeiten, dass immer nur ein Drittel der Blasdüsen
68 gleichzeitig im Einsatz ist.In an advantageous way of working, the different
Ring lines 60 - 66 operated pulsating, so that from
only a part of all blowing
Claims (10)
- Method for cleaning tunnel walls and/or tunnel roofs with respect to dust-containing, stuck fast deposits and dirt, characterized in that a compressed air-water mixture (68) is sprayed onto the tunnel wall (12) or tunnel roof (15) by means of blast nozzles (58) of a nozzle hood (18) displaceable in the direction of travel (A) in tunnel (10), so that the dirt and deposits on the tunnel wall (12) or tunnel roof (15) are detached and a dust-containing atmosphere is produced, the blast nozzles (58) being distributed over the circumference of the nozzle hood (18) spaced from the tunnel wall (12) or tunnel roof (15) and are provided with an injector, that the dust-containing atmosphere is subject to suction action by at least one suction arrangement (22) of a displaceable suction hood (20) located behind and spaced from the nozzle hood (18) in the direction of travel (A), the suction hood (20) having substantially the same dimensions and the same shape as the nozzle hood (18), that the nozzle hood (18) and suction hood (20) form a suction chamber (24) in such a way that the tunnel cross-section is preponderantly sealed rearwardly in the direction of travel (A) by the suction hood (20) and forwardly in the direction of travel (A) by the nozzle hood (18), and the at least one suction arrangement (22) is located in the suction chamber (24).
- Method according to claim 1, characterized in that several blast nozzles (58) are fed by a common ring main (60-66) and that several ring mains (60-66) are used with in each case their own blast nozzles (58), the ring main (60-66) being operated in pulsating manner in such a way that a compressed air-water mixture (68) is simultaneously sprayed by only a part and preferably only one third of all the blast nozzles (58).
- Apparatus for performing the method according to claims 1 or 2, characterized by the following features:a nozzle hood (18) extending in spaced manner from the tunnel wall (12) or tunnel roof (15) and displaceable along the tunnel (10) in a direction of travel (A),blast nozzles (58) for spraying a compressed air-water mixture (68) distributed over the circumference of the nozzle hood (18) arranged in spaced manner from the tunnel wall (12) or tunnel roof (15) and provided with an injector,a suction hood (20) which, considered in the direction of travel (A), is positioned behind and spaced from the nozzle hood (18), which has substantially the same external dimensions and the same shape as the nozzle hood (18) and which is displaceable in the same direction of travel (A) as the nozzle hood (18) andat least one suction arrangement (22), which is located in a suction chamber (24) formed by the nozzle hood (18) and the suction hood (20) and which is part of the suction hood (20),in which the nozzle hood (18) and suction hood (20) are constructed in such a way that the tunnel cross-section is preponderantly sealable in the forwards direction of travel by the nozzle hood (18) and in the rearwards direction of travel by the suction hood (20).
- Apparatus according to claim 3, characterized in that the nozzle hood (18) comprises adjustable segments (48) on which are in each case placed a plurality of blast nozzles (58), the segments (48) being adjustable radially in the direction towards and the direction away from the tunnel wall (12).
- Apparatus according to claim 3 or 4, characterized in that several blast. nozzles (58) are fed by a common ring main (60-66).
- Apparatus according to claim 5, characterized in that there are several ring mains (60-66) with in each case their own blast nozzles (58).
- Apparatus according to one of the claims 3 to 6, characterized in that the suction hood (20) comprises adjustable segments adjustable radially in the direction towards and away from the tunnel wall (12).
- Apparatus according to one of the claims 3 to 7, characterized in that the outer edge of both the nozzle hood (18) and the suction hood (20) are provided with an elastic hood seal (54, 56).
- Apparatus according to one of the claims 3 to 8, characterized in that the nozzle hood (18) is positioned at the rear end of a towing vehicle (16) and the suction hood (20) at the front end of a wagon (14) coupled to the towing vehicle (16).
- Apparatus according to claim 9, characterized in that a water tank (32) provided for the operation of the nozzle hood (18) and a compressor (34) are provided on the towing vehicle (16) and a fan (28) provided for the operation of the suction hood (20) and a dirt container (26) are provided on the wagon (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19721414 | 1997-05-22 | ||
| DE19721414 | 1997-05-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0879919A2 EP0879919A2 (en) | 1998-11-25 |
| EP0879919A3 EP0879919A3 (en) | 1999-12-01 |
| EP0879919B1 true EP0879919B1 (en) | 2003-08-27 |
Family
ID=7830177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98109347A Expired - Lifetime EP0879919B1 (en) | 1997-05-22 | 1998-05-22 | Apparatus for cleaning tunnel walls and/or ceilings |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0879919B1 (en) |
| AT (1) | ATE248258T1 (en) |
| DE (1) | DE59809374D1 (en) |
| ES (1) | ES2206790T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019100301A1 (en) | 2019-01-08 | 2020-07-09 | Cft Gmbh Compact Filter Technic | Tunnel cleaning train |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2305892A3 (en) * | 2008-12-30 | 2012-10-31 | Rodinia Technologies Ltd. | Process and device for cleaning track bed and tunnel walls |
| CN106836099A (en) * | 2016-12-27 | 2017-06-13 | 苏州大方特种车股份有限公司 | Tunnel cleaning vehicle |
| CN109423971A (en) * | 2017-08-24 | 2019-03-05 | 中铁华铁工程设计集团有限公司 | Plane jet formula subway tunnel purger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB186970A (en) * | 1900-01-01 | |||
| AT344232B (en) * | 1976-01-14 | 1978-07-10 | Zellinger Gmbh | TUNNEL WASHING VEHICLE |
-
1998
- 1998-05-22 DE DE59809374T patent/DE59809374D1/en not_active Expired - Fee Related
- 1998-05-22 ES ES98109347T patent/ES2206790T3/en not_active Expired - Lifetime
- 1998-05-22 EP EP98109347A patent/EP0879919B1/en not_active Expired - Lifetime
- 1998-05-22 AT AT98109347T patent/ATE248258T1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019100301A1 (en) | 2019-01-08 | 2020-07-09 | Cft Gmbh Compact Filter Technic | Tunnel cleaning train |
| EP3680390A1 (en) | 2019-01-08 | 2020-07-15 | Cft Gmbh Compact Filter Technic | Tunnel cleaning train |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0879919A3 (en) | 1999-12-01 |
| ES2206790T3 (en) | 2004-05-16 |
| ATE248258T1 (en) | 2003-09-15 |
| EP0879919A2 (en) | 1998-11-25 |
| DE59809374D1 (en) | 2003-10-02 |
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