EP2965032B1 - Device for cleaning flue gas flues of a boiler system, comprising a cleaning hose, a hose store and a hose guide - Google Patents

Device for cleaning flue gas flues of a boiler system, comprising a cleaning hose, a hose store and a hose guide Download PDF

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Publication number
EP2965032B1
EP2965032B1 EP15720584.0A EP15720584A EP2965032B1 EP 2965032 B1 EP2965032 B1 EP 2965032B1 EP 15720584 A EP15720584 A EP 15720584A EP 2965032 B1 EP2965032 B1 EP 2965032B1
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EP
European Patent Office
Prior art keywords
hose
cleaning
guide
flue gas
cleaning hose
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.)
Revoked
Application number
EP15720584.0A
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German (de)
French (fr)
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EP2965032A1 (en
Inventor
Claudia Stramka
Ralf Dräger
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Martin GmbH fuer Umwelt und Energietechnik
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Martin GmbH fuer Umwelt und Energietechnik
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Application filed by Martin GmbH fuer Umwelt und Energietechnik filed Critical Martin GmbH fuer Umwelt und Energietechnik
Priority to PL16002686T priority Critical patent/PL3173727T3/en
Priority to PL15720584T priority patent/PL2965032T3/en
Priority to EP16002686.0A priority patent/EP3173727B1/en
Priority to DK16002686.0T priority patent/DK3173727T3/en
Publication of EP2965032A1 publication Critical patent/EP2965032A1/en
Application granted granted Critical
Publication of EP2965032B1 publication Critical patent/EP2965032B1/en
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Classifications

    • 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
    • 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
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
    • F23J3/026—Cleaning furnace tubes; Cleaning flues or chimneys cleaning the chimneys
    • 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
    • F28G15/02—Supports for cleaning appliances, e.g. frames
    • 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
    • F28G15/00—Details
    • F28G15/08—Locating position of cleaning appliances within conduits

Definitions

  • the invention relates to a device for cleaning flues of a boiler system with a cleaning hose which can be inserted through an opening in a flue, a hose storage to vorzuhalten the cleaning hose outside the flue, and a hose guide through which the cleaning hose is inserted into the flue.
  • the invention relates to a method for cleaning flues of a boiler system with a cleaning hose, wherein the cleaning hose is unrolled from a hose storage and is introduced through an opening in a flue.
  • the invention relates to a method for cleaning the Leersee a boiler.
  • the Leerman or so-called radiation trains are designed as gas-tight welded membrane wall construction and are used in boiler systems as heat exchanger surfaces.
  • the fly ash transported in the flue gas is partly fixed during operation on the membrane walls of the Leerman and can develop in the course to hard caking. The result is a reduced heat exchange across the membrane walls, which leads to the rise of the flue gas temperature and the resulting reduction in the efficiency of such a thermal power plant. Since the salts present in the adhering contaminants react corrosively with the steel, the cleaning of the membrane walls also provides increased protection against corrosion.
  • the cleaning hose is unrolled by a drum-type hose store manually or motorized and led to an opening in the ceiling of the boiler system. There, the hose is inserted into an opening through which the hose is led to the flue. This is laborious and time consuming.
  • DE-A-102010051657 discloses a device for cleaning flues of a boiler plant according to the preamble of claim 1.
  • the invention is based on the object to develop a generic device to the effect that it is easier to clean with the cleaning hose different flues.
  • hose guide has a vertical and a horizontal directional component
  • a hose can be pushed not only in the hose guide vertically down into the boiler but the inputs of the hose guides can be arranged in a line or a bend, while the openings in the boiler ceiling not arranged on a line or a bow.
  • Pushing the cleaning hose makes it possible to also use bends greater than 30 ° with a bending radius of at least 500 mm for the hose guide. It is advantageous if the hose guide also has bends of less than 45 ° and preferably even less than 40 °. Thus, more acute-angled bends are possible than before.
  • hose drum is arranged horizontally. This makes it possible to arrange the hose storage above the platform even in limited space.
  • the cleaning hose delivery module allows the cleaning hose to be removed from the hose reel at a defined constant speed and inserted into the hose guide so that the hose can be conveyed automatically from the hose repository to the flue gas flue.
  • the cleaning hose delivery module is arranged immediately in front of the hose guide. This makes it possible to push the flexible cleaning hose by means of the makeschlauchtomoduls in the hose guide to thereby promote him through a long tubular hose guide to the flue. In particular, the hose can thus be pushed into the hose guide to guided in the hose guide to find the way to the opening and in the flue. This is particularly advantageous for long hose guides.
  • An advantageous embodiment provides that the cleaning hose delivery module has prestressed pressure rollers by means of spring force. Thus, the cleaning hose can be conveyed gently and effectively.
  • the speed of the cleaning hose driven by the cleaning hose delivery module is controlled by a feed drive.
  • a constructional embodiment provides a cleaning hose positioning device, which guides the cleaning hose on a defined path to a plurality of hose guides. This makes it possible with the cleaning hose positioning device to bring the cleaning hose to a hose guide and stop there, so that the hose can be unwound from the hose storage and inserted into the hose guide.
  • the path of the cleaning hose positioning device is preferably located on a circular line.
  • the cleaning hose positioning device has a cleaning hose holding arm, which is laterally displaceable or pivotable, in order to position the cleaning hose along a plurality of line guides arranged on a line.
  • the device has a hose cleaning device with a pneumatic Schlauchbedüsung. Blowing the cleaning hose with compressed air makes it possible to blow off dust particles from the cleaning hose or to dry moisture resulting from wet cleaning of the hose.
  • the hose cleaning device first clean the hose with sprayed water and then dry it with an air spray and clean it up.
  • An advantageous embodiment provides that the Schlautivs issued is attached to the cleaning hose delivery module and can be connected to the hose guide. This makes it possible to provide a single hose cleaning device on the cleaning hose conveying module and to clean the cleaning hose with the same hose cleaning device when pulling out the cleaning hose from different flue gas flaps.
  • the hose cleaning device is also essential to the invention independently of the aforementioned features of the cleaning hose positioning device and of the cleaning hose conveying module.
  • the object underlying the invention is also achieved with a method for cleaning flues of a boiler system with a cleaning hose according to claim 14.
  • the tubular hose guide is flushed with a lubricant before, during or after the cleaning hose is pushed into the hose guide.
  • This lubricant is water in the simplest case.
  • the slip properties of the water may also be enhanced by surfactants or other chemicals, or hydrophobic substances may be used.
  • FIGS. 1 and 2 schematically show how in a device 1 for cleaning flues of a boiler plant 2 a marketsschlauchpositionier adopted 3 a cleaning hose 4 to several hose guides 5, 6, 7, 8, 9 and 5 ', 6', 7 ', 8', 9 'leads ,
  • the tube guides 5 to 9 lie on a straight line 10, while the tube guides 5 'to 9' lie on a circular line 11.
  • the cleaning hose positioning device 3 has long since the direction of the arrow 12 of the arrow on a straight path slidable to guide the cleaning hose 4 to the hose guides 5 to 9.
  • the cleaning hose positioning device 3 ' has long been pivotable about a point 14 of the arrow 13 in order to guide the cleaning hose 4' to the hose guides 5 'to 9'.
  • the FIG. 3 shows the marketsschlauchpositionier issued 3 which stands with a base 15 on a platform 16.
  • the base In a linear arrangement of the base is connected to a kind of rail system, so that the starsschlauchpositionier Anlagen 3 moves in an axis.
  • this base 15 In the case of a semicircular arrangement of the nozzle 17 of the hose guides 5 'to 9', this base 15 is rotatably mounted. The rotation of the cleaning hose positioning device 3 'takes place via a gear motor flanged to the frame until the position above the desired connection 17 is reached.
  • a hose reel 37 is arranged as a hose repository 18 and by means of the cleaning hose conveying module 19 the cleaning hose 4 is guided to a hose guide 5 to 9.
  • the cleaning hose conveying module 19 is arranged directly in front of the hose guide.
  • the cleaning hose conveying module 19 has a feed roller 20 with a circumferential groove 21, in which the hose 4 is guided.
  • the tube 4 can be held in the groove 21, so that a circumferential force of the roller 20 upon rotation of the roller 20 transmits to the tube 4. It is advantageous if several pressure rollers 22 to 25 press the tube into the groove 21.
  • FIG. 4 shows a hose cleaning device 26.
  • a nozzle 27 is arranged, which passes through the hose cleaning device 26 and can be pushed through the nozzle 17 in the tube guide 5. The nozzle 27 then passes into the boiler system 2 and there into the flue 28 to clean there heat exchanger surfaces and membrane walls.
  • the hose 4 When driving in and pulling out the nozzle 27, the hose 4 comes into contact with flue gases. As a result, the cleaning hose 4 with its typical metal fabric as a protective outer shell transports a considerable amount of fly ash when it is pulled out of the interior of the boiler. This can lead to contamination on the slide 29, the nozzle 17 and the hose reel 37 of the hose accumulator 18. The cleaning hose delivery module 19 is affected by such contamination. Therefore, with the hose cleaning device 26, the hose 4 and possibly also the nozzle 27 are cleaned.
  • the hose cleaning device 26 is a tubular element as a flushing pipe 30, to which a gas inlet 31 and a liquid access 32 are arranged.
  • the gas inlet 31 communicates with a pressurized gas line (not shown) while the liquid access 32 communicates with a cleaning fluid line such as a service water line (not shown).
  • the hose 4 When pulling out the dirty hose 4 from the hose guide 5, the hose 4 is thus first sprayed through nozzles 33 with cleaning liquid and then dried by means of a pneumatic Schlauchbedüsung. Each part of the tube 4 thus passes when pulling out of the tube first a Schlauchbedüsung 34 with a liquid and then a pneumatic Schlauchbedüsung 35 to leave the flushing pipe 30 cleaned.
  • a lifting cylinder unit 36 is provided which is arranged between the cleaning device 26 and the cleaning hose conveying module 19.
  • the hose cleaning device 26 is fastened to the cleaning hose conveyor module 19.
  • the cleaning module When using the device 1 for cleaning flue gas trains 28, the cleaning module is positioned with a first drive motor of the cleaning hose positioning device 3 via a connection 17 of a hose guide 5.
  • a second motor accomplishes the winding and unwinding of the hose.
  • either the feed roller 20 for lowering or the hose reel 37 of the hose accumulator 18 for pulling out the hose 4 is connected to the drive.
  • the hose reel 37 is held by a brake 38.
  • a pulley By closing a first clutch, a pulley is now connected to a drive shaft and with the aid of the integrated cleaning hose delivery module 19, the hose 4 is inserted with its nozzle 27 into the hose guide 5.
  • the spring-loaded pressure rollers 22 to 25 press the tube 4 into the groove 21 of the feed roller 20, so that it is pulled by the hose reel 37 due to the frictional engagement with the feed roller.
  • the drive of the feed roller 20 takes place from a drive shaft via the first clutch, a toothed belt and a deflection gear. The prerequisite for this is that both the second clutch and the brake are open so that the hose reel can rotate freely.
  • the cleaning hose delivery module 19 has the advantage that both a vertical and a horizontal insertion of the hose 4 in a hose guide 5 is possible.
  • bends greater than 30 ° can be used with a radian measure of at least 400 to 500 mm, so even structural bottlenecks or small space in the area between the boiler cover of the boiler 2 and platform 16, where the hose guides run, no To cause problems.
  • the first clutch is opened, so that the feed roller 20 can rotate freely.
  • the hose reel 37 is connected via the second clutch to the drive shaft.
  • the brake 38 is closed, so that a sagging of the nozzle 27 is excluded.
  • the second clutch is then reopened.
  • the cleaning hose positioning device 3 can either stay in this position or be moved to the next pipe 17 of another hose guide 6. It is advantageous if the starch, nozzle, or in an area outside the nozzle.

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  • 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)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Cleaning In General (AREA)
  • Incineration Of Waste (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Reinigen von Rauchgaszügen einer Kesselanlage mit einem Reinigungsschlauch, der durch eine Öffnung in einem Rauchgaszug einführbar ist, einem Schlauchspeicher, um den Reinigungsschlauch außerhalb des Rauchgaszuges vorzuhalten, und einer Schlauchführung, durch die der Reinigungsschlauch in den Rauchgaszug einführbar ist.The invention relates to a device for cleaning flues of a boiler system with a cleaning hose which can be inserted through an opening in a flue, a hose storage to vorzuhalten the cleaning hose outside the flue, and a hose guide through which the cleaning hose is inserted into the flue.

Darüber hinaus betrifft die Erfindung ein Verfahren zum Reinigen von Rauchgaszügen einer Kesselanlage mit einem Reinigungsschlauch, bei dem der Reinigungsschlauch von einem Schlauchspeicher abgerollt wird und durch eine Öffnung in einen Rauchgaszug eingeführt wird.Moreover, the invention relates to a method for cleaning flues of a boiler system with a cleaning hose, wherein the cleaning hose is unrolled from a hose storage and is introduced through an opening in a flue.

Insbesondere betrifft die Erfindung ein Verfahren zum Reinigen der Leerzüge eines Kessels. Die Leerzüge oder sogenannten Strahlungszüge werden als gasdicht verschweißte Membranwandkonstruktion ausgeführt und dienen in Kesselanlagen als Wärmetauscherflächen. Die im Rauchgas transportierte Flugasche setzt sich teilweise während des Betriebs an den Membranwänden der Leerzüge fest und kann sich im weiteren Verlauf zu harten Anbackungen entwickeln. Die Folge ist ein verminderter Wärmeaustausch über die Membranwände, welcher zum Anstieg der Rauchgastemperatur führt und die daraus resultierende Reduzierung des Wirkungsgrades einer solchen Wärmekraftanlage. Da die in den anhaftenden Verschmutzungen vorhandenen Salze korrosiv mit dem Stahl reagieren, stellt die Reinigung der Membranwände auch einen erhöhten Schutz vor Korrosion dar.In particular, the invention relates to a method for cleaning the Leerzüge a boiler. The Leerzüge or so-called radiation trains are designed as gas-tight welded membrane wall construction and are used in boiler systems as heat exchanger surfaces. The fly ash transported in the flue gas is partly fixed during operation on the membrane walls of the Leerzüge and can develop in the course to hard caking. The result is a reduced heat exchange across the membrane walls, which leads to the rise of the flue gas temperature and the resulting reduction in the efficiency of such a thermal power plant. Since the salts present in the adhering contaminants react corrosively with the steel, the cleaning of the membrane walls also provides increased protection against corrosion.

Durch die regelmäßige Reinigung der verschmutzen Membranwände wird die Rauchgastemperatur in Strahlungszügen bzw. vor dem Eintritt in nachgeschaltete konvektive Heizflächen auf einem akzeptablen Wert gehalten. Dies führt zu einer Erhöhung der Verfügbarkeit der gesamten Anlage.Due to the regular cleaning of the dirty membrane walls, the flue gas temperature in radiation trains or before entry into downstream convective Heating surfaces kept at an acceptable value. This leads to an increase in the availability of the entire system.

Auf herkömmliche Art und Weise wird der Reinigungsschlauch von einem trommelartigen Schlauchspeicher manuell oder motorbetrieben abgerollt und zu einer Öffnung in der Decke der Kesselanlage geführt. Dort wird der Schlauch in eine Öffnung eingeführt, durch die der Schlauch zum Rauchgaszug geführt wird. Dies ist arbeits- und zeitaufwendig.In a conventional manner, the cleaning hose is unrolled by a drum-type hose store manually or motorized and led to an opening in the ceiling of the boiler system. There, the hose is inserted into an opening through which the hose is led to the flue. This is laborious and time consuming.

DE-A-102010051657 offenbart eine Vorrichtung zum Reinigen von Rauchgaszügen einer Kesselanlage gemäß dem Oberbegriff des Anspruchs 1. DE-A-102010051657 discloses a device for cleaning flues of a boiler plant according to the preamble of claim 1.

Daher liegt der Erfindung die Aufgabe zu Grunde, eine gattungsgemäße Vorrichtung dahingehend weiterzuentwickeln, dass es einfacher wird, mit dem Reinigungsschlauch unterschiedliche Rauchgaszüge zu reinigen.Therefore, the invention is based on the object to develop a generic device to the effect that it is easier to clean with the cleaning hose different flues.

Diese Aufgabe wird vorrichtungsmäßig mit einer gattungsgemäßen Vorrichtung gemäß Anspruch 1 gelöst, die ein Reinigungsschlauchfördermodul aufweist, mit dem der Reinigungsschlauch vom Schlauchspeicher in die Schlauchführung, die zwischen der Decke des Kessels und einer Plattform verläuft, schiebbar ist.This object is achieved according to the device with a generic device according to claim 1, which has a cleaning hose delivery module with which the cleaning hose from the hose storage in the hose guide, which extends between the ceiling of the boiler and a platform, is pushed.

Wenn die Schlauchführung eine senkrechte und eine waagerechte Richtungskomponente aufweist, kann ein Schlauch nicht nur in der Schlauchführung senkrecht nach unten in den Kessel geschoben werden sondern es können die Eingänge der Schlauchführungen auf einer Linie oder einem Bogen angeordnet sein, während die Öffnungen in der Kesseldecke nicht auf einer Linie oder einem Bogen angeordnet sind.If the hose guide has a vertical and a horizontal directional component, a hose can be pushed not only in the hose guide vertically down into the boiler but the inputs of the hose guides can be arranged in a line or a bend, while the openings in the boiler ceiling not arranged on a line or a bow.

Das Schieben des Reinigungsschlauches ermöglicht es, auch Bögen größer als 30 ° mit einem Biegeradius von mindestens 500 mm für die Schlauchführung einzusetzen. Vorteilhaft ist es, wenn die Schlauchführung auch Bögen von weniger als 45 ° und bevorzugt sogar weniger als 40 ° aufweist. Somit sind auch spitzwinkligere Bögen als bisher möglich.Pushing the cleaning hose makes it possible to also use bends greater than 30 ° with a bending radius of at least 500 mm for the hose guide. It is advantageous if the hose guide also has bends of less than 45 ° and preferably even less than 40 °. Thus, more acute-angled bends are possible than before.

Besonders vorteilhaft ist es, wenn die Schlauchtrommel waagerecht angeordnet ist. Dies ermöglicht es den Schlauchspeicher auch bei begrenzten Platzverhältnissen oberhalb der Plattform anzuordnen.It is particularly advantageous if the hose drum is arranged horizontally. This makes it possible to arrange the hose storage above the platform even in limited space.

Das Reinigungsschlauchfördermodul erlaubt es, mit einer definierten konstanten Geschwindigkeit den Reinigungsschlauch von der Schlauchtrommel abzuziehen und in die Schlauchführung einzuführen, sodass der Schlauch automatisch vom Schlauchspeicher zum Rauchgaszug gefördert werden kann.The cleaning hose delivery module allows the cleaning hose to be removed from the hose reel at a defined constant speed and inserted into the hose guide so that the hose can be conveyed automatically from the hose repository to the flue gas flue.

Vorteilhaft ist es, wenn das Reinigungsschlauchfördermodul unmittelbar vor der Schlauchführung angeordnet ist. Dies ermöglicht es, den flexiblen Reinigungsschlauch mittels des Reinigungsschlauchfördermoduls in die Schlauchführung zuschieben, um ihn dadurch auch durch eine lange rohrförmige Schlauchführung zum Rauchgaszug zu fördern. Insbesondere kann der Schlauch somit in die Schlauchführung hineingeschoben werden, um in der Schlauchführung geführt den Weg bis zur Öffnung und in den Rauchgaszug zu finden. Dies ist insbesondere bei langen Schlauchführungen von Vorteil.It is advantageous if the cleaning hose delivery module is arranged immediately in front of the hose guide. This makes it possible to push the flexible cleaning hose by means of the Reinigungsschlauchfördermoduls in the hose guide to thereby promote him through a long tubular hose guide to the flue. In particular, the hose can thus be pushed into the hose guide to guided in the hose guide to find the way to the opening and in the flue. This is particularly advantageous for long hose guides.

Eine vorteilhafte Ausführungsvariante sieht vor, dass das Reinigungsschlauchfördermodul mittels Federkraft vorgespannte Anpressrollen aufweist. Damit kann der Reinigungsschlauch behutsam und effektiv gefördert werden.An advantageous embodiment provides that the cleaning hose delivery module has prestressed pressure rollers by means of spring force. Thus, the cleaning hose can be conveyed gently and effectively.

Je nach dem, ob der Schlauch noch vollständig auf der Trommel des Schlauchspeichers liegt oder bereits weitgehend abgerollt ist, führt ein Zug am Schlauch mit einer definierten Kraft zu einer unterschiedlichen Abwickelgeschwindigkeit. Es wird daher vorgeschlagen, dass die Geschwindigkeit des vom Reinigungsschlauchfördermodul angetriebenen Reinigungsschlauches über einen Vorschubantrieb geregelt ist.Depending on whether the hose is still completely on the drum of the hose storage or already largely unrolled, a pull on the hose with a defined force to a different unwinding speed. It is therefore proposed that the speed of the cleaning hose driven by the cleaning hose delivery module is controlled by a feed drive.

Um allein durch Schwenken eines Armes, an dem das Reinigungsschlauchfördermodul angeordnet ist, mehrere Zugänge von Schlauchführungen zu erreichen, wird vorgeschlagen, dass die Mehrzahl der Zugänge von Schlauchführungen auf einer Kreisbahn angeordnet ist. Dies ermöglicht es, mit einer zentral positionierten Einheit über einen sich radial erstreckenden Haltearm den Schlauch zu mehreren Schlauchführungen zu fördern, die jeweils zu unterschiedlichen Rauchgaszügen oder unterschiedlichen Orten an der Decke von Rauchgaszügen führen.In order to achieve a plurality of accesses of hose guides by pivoting an arm on which the cleaning hose conveying module is arranged, it is proposed that the majority of the inlets of hose guides be on a circular path is arranged. This makes it possible to promote with a centrally positioned unit via a radially extending arm the hose to several hose guides, each leading to different flues or different locations on the ceiling of flues.

Eine konstruktive Ausgestaltung sieht eine Reinigungsschlauchpositionierungseinrichtung vor, die den Reinigungsschlauch auf einer definierten Bahn zu mehreren Schlauchführungen führt. Dies ermöglicht es, mit der Reinigungsschlauchpositioniereinrichtung den Reinigungsschlauch zu einer Schlauchführung zu bringen und dort anzuhalten, sodass der Schlauch vom Schlauchspeicher abgewickelt und in die Schlauchführung eingeführt werden kann.A constructional embodiment provides a cleaning hose positioning device, which guides the cleaning hose on a defined path to a plurality of hose guides. This makes it possible with the cleaning hose positioning device to bring the cleaning hose to a hose guide and stop there, so that the hose can be unwound from the hose storage and inserted into the hose guide.

Die Bahn der Reinigungsschlauchpositioniereinrichtung liegt vorzugsweise auf einer Kreislinie. Es ist jedoch auch möglich, die Reinigungsschlauchpositioniereinrichtung so auszubilden, dass die Bahn auf einer geraden Linie liegt. Hierzu weist die Reinigungsschlauchpositioniereinrichtung einen Reinigungsschlauchhaltearm auf, der lateral verschiebbar oder schwenkbar ist, um den Reinigungsschlauch entlang mehrerer auf einer Linie angeordneter Schlauchführungen zu positionieren.The path of the cleaning hose positioning device is preferably located on a circular line. However, it is also possible to form the Reinigungsschlauchpositioniereinrichtung so that the web lies on a straight line. For this purpose, the cleaning hose positioning device has a cleaning hose holding arm, which is laterally displaceable or pivotable, in order to position the cleaning hose along a plurality of line guides arranged on a line.

Die Reinigungsschlauchpositioniereinrichtung ist auch unabhängig von den zuvor genannten Merkmalen der Erfindung und insbesondere ohne Reinigungsschlauchfördermodul erfindungswesentlich.The Reinigungsschlauchpositioniereinrichtung is also essential to the invention independently of the aforementioned features of the invention and in particular without Reinigungsschlauchfördermodul.

Vorteilhaft ist es, wenn die Vorrichtung eine Schlauchreinigungseinrichtung mit einer pneumatischen Schlauchbedüsung aufweist. Das Anblasen des Reinigungsschlauches mit Druckluft ermöglicht es, vom Reinigungsschlauch Staubpartikel abzublasen oder Feuchtigkeit, die von einer Nassreinigung des Schlauchs stammt, zu trocknen.It is advantageous if the device has a hose cleaning device with a pneumatic Schlauchbedüsung. Blowing the cleaning hose with compressed air makes it possible to blow off dust particles from the cleaning hose or to dry moisture resulting from wet cleaning of the hose.

Da die Kombination einer pneumatischen Trockenreinigung mit einer Nassreinigung besonders vorteilhaft ist, wird vorgeschlagen, dass die Schlauchreinigungseinrichtung den Schlauch zunächst mit angesprühtem Wasser reinigt und anschließend durch eine Luftbedüsung trocknet und nachreinigt.Since the combination of a pneumatic dry cleaning with a wet cleaning is particularly advantageous, it is proposed that the hose cleaning device first clean the hose with sprayed water and then dry it with an air spray and clean it up.

Eine vorteilhafte Ausführungsvariante sieht vor, dass die Schlaureinigungseinrichtung am Reinigungsschlauchfördermodul befestigt ist und mit der Schlauchführung verbindbar ist. Dies ermöglicht es, eine einzige Schlauchreinigungseinrichtung am Reinigungsschlauchfördermodul vorzusehen und beim Herausziehen des Reinigungsschlauches aus unterschiedlichen Rauchgaszügen jeweils den Reinigungsschlauch mit derselben Schlauchreinigungseinrichtung zu reinigen.An advantageous embodiment provides that the Schlaureinigungseinrichtung is attached to the cleaning hose delivery module and can be connected to the hose guide. This makes it possible to provide a single hose cleaning device on the cleaning hose conveying module and to clean the cleaning hose with the same hose cleaning device when pulling out the cleaning hose from different flue gas flaps.

Auch die Schlauchreinigungseinrichtung ist unabhängig von den zuvor genannten Merkmalen der Reinigungsschlauchpositioniereinrichtung und des Reinigungsschlauchfördermoduls erfindungswesentlich.The hose cleaning device is also essential to the invention independently of the aforementioned features of the cleaning hose positioning device and of the cleaning hose conveying module.

Die der Erfindung zugrunde liegende Aufgabe wird auch mit einem Verfahren zum Reinigen von Rauchgaszügen einer Kesselanlage mit einem Reinigungsschlauch gemäß Anspruch 14 gelöst.The object underlying the invention is also achieved with a method for cleaning flues of a boiler system with a cleaning hose according to claim 14.

Dies ermöglicht es, den Reinigungsschlauch mit einem Reinigungsschlauchfördermodul über längere Strecken in der rohrförmigen Schlauchführung über senkrechte, schräge und sogar fast waagerechte Strecken zu einer Öffnung in einem Rauchgaszug zu führen. Fast waagerecht ist in diesem Fall ein Gefälle von weniger als 20 ° gegenüber der Waagrechten. Das Schieben des Schlauches durch eine rohrförmige Schlauchführung ermöglicht es auch, in schwer zugänglichen Bereichen den Schlauch auf einer definierten Bahn vom Schlauchspeicher zum Rauchgaszug zu fördern. Dabei können die Bewegung des Schlauches und die Reinigung des Schlauches vollautomatisch durchgeführt werden.This makes it possible to guide the cleaning hose with a cleaning hose delivery module over long distances in the tubular hose guide over vertical, oblique and even almost horizontal distances to an opening in a flue. Almost horizontal in this case, a slope of less than 20 ° to the horizontal. Pushing the hose through a tubular hose guide also makes it possible to convey the hose on a defined path from the hose storage to the flue in difficult to access areas. The movement of the hose and the cleaning of the hose can be carried out fully automatically.

Insbesondere wenn der Reinigungsschlauch einen Flüssigkeitsauslass hat, ist es vorteilhaft, wenn die rohrförmige Schlauchführung mit einem Gleitmittel gespült wird bevor, während oder nachdem der Reinigungsschlauch in die Schlauchführung geschoben wird. Dieses Gleitmittel ist im einfachsten Fall Wasser. Die Gleiteigenschaften des Wassers können jedoch auch durch Tenside oder andere Chemikalien verstärkt werden oder es können auch hydrophobe Substanzen verwendet werden.In particular, when the cleaning hose has a liquid outlet, it is advantageous if the tubular hose guide is flushed with a lubricant before, during or after the cleaning hose is pushed into the hose guide. This lubricant is water in the simplest case. However, the slip properties of the water may also be enhanced by surfactants or other chemicals, or hydrophobic substances may be used.

Ein bevorzugtes Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung ist in der Zeichnung dargestellt und wird im Folgenden näher erläutert. Es zeigt

Figur 1
eine schematische Draufsicht auf eine lateral verschiebbare Reinigungsschlauchpositioniereinrichtung und mehrere Zugänge von Schlauchführungen,
Figur 2
eine Draufsicht auf eine schwenkbare Reinigungsschlauchpositioniereinrichtung mit mehreren auf einer Kreislinie angeordneten Zugängen von Schlauchführungen,
Figur 3
eine schematische Seitenansicht einer Reinigungsschlauchpositioniereinrichtung mit Reinigungsschlauchfördermodul,
Figur 4
eine Reinigungsschlauchreinigungseinrichtung und
Figur 5
eine teilweise geschnittene Seitenansicht der gesamten Anlage.
A preferred embodiment of a device according to the invention is shown in the drawing and will be explained in more detail below. It shows
FIG. 1
a schematic plan view of a laterally displaceable Reinigungsschlauchpositioniereinrichtung and multiple approaches of hose guides,
FIG. 2
a top view of a pivotable Reinigungsschlauchpositioniereinrichtung with a plurality of arranged on a circular line accesses of hose guides,
FIG. 3
1 a schematic side view of a cleaning hose positioning device with a cleaning hose conveying module,
FIG. 4
a cleaning hose cleaning device and
FIG. 5
a partially sectioned side view of the entire system.

Die Figuren 1 und 2 zeigen schematisch, wie bei einer Vorrichtung 1 zum Reinigen von Rauchgaszügen einer Kesselanlage 2 eine Reinigungsschlauchpositioniereinrichtung 3 einen Reinigungsschlauch 4 zu mehreren Schlauchführungen 5, 6, 7, 8, 9 bzw. 5', 6', 7', 8', 9' führt. Dabei liegen die Schlauchführungen 5 bis 9 auf einer geraden Linie 10, während die Schlauchführungen 5' bis 9' auf einer Kreislinie 11 liegen.The Figures 1 and 2 schematically show how in a device 1 for cleaning flues of a boiler plant 2 a Reinigungsschlauchpositioniereinrichtung 3 a cleaning hose 4 to several hose guides 5, 6, 7, 8, 9 and 5 ', 6', 7 ', 8', 9 'leads , The tube guides 5 to 9 lie on a straight line 10, while the tube guides 5 'to 9' lie on a circular line 11.

Die Reinigungsschlauchpositioniereinrichtung 3 ist dafür längst der Pfeilrichtung des Pfeiles 12 auf einer geraden Bahn verschiebbar, um den Reinigungsschlauch 4 zu den Schlauchführungen 5 bis 9 zu führen. Die Reinigungsschlauchpositioniereinrichtung 3' ist hingegen längst des Pfeiles 13 um einen Punkt 14 schwenkbar, um den Reinigungsschlauch 4' zu den Schlauchführungen 5' bis 9' zu führen.The cleaning hose positioning device 3 has long since the direction of the arrow 12 of the arrow on a straight path slidable to guide the cleaning hose 4 to the hose guides 5 to 9. By contrast, the cleaning hose positioning device 3 'has long been pivotable about a point 14 of the arrow 13 in order to guide the cleaning hose 4' to the hose guides 5 'to 9'.

Die Figur 3 zeigt die Reinigungsschlauchpositioniereinrichtung 3 die mit einem Sockel 15 auf einer Plattform 16 steht. Bei einer linearen Anordnung ist der Sockel mit einer Art Schienensystem verbunden, sodass die Reinigungsschlauchpositioniereinrichtung 3 in einer Achse verfährt. Im Falle einer halbrunden Anordnung der Stutzen 17 der Schlauchführungen 5' bis 9' ist dieser Sockel 15 drehbar gelagert. Die Drehung der Reinigungsschlauchpositioniereinrichtung 3' erfolgt über einen am Rahmen angeflanschten Getriebemotor bis die Position über dem gewünschten Stutzen 17 erreicht ist.The FIG. 3 shows the Reinigungsschlauchpositioniereinrichtung 3 which stands with a base 15 on a platform 16. In a linear arrangement of the base is connected to a kind of rail system, so that the Reinigungsschlauchpositioniereinrichtung 3 moves in an axis. In the case of a semicircular arrangement of the nozzle 17 of the hose guides 5 'to 9', this base 15 is rotatably mounted. The rotation of the cleaning hose positioning device 3 'takes place via a gear motor flanged to the frame until the position above the desired connection 17 is reached.

An der Reinigungsschlauchpositioniereinrichtung 3, 3' ist eine Schlauchtrommel 37 als Schlauchspeicher 18 angeordnet und mittels des Reinigungsschlauchfördermoduls 19 wird der Reinigungsschlauch 4 zu einer Schlauchführung 5 bis 9 geführt.At the cleaning hose positioning device 3, 3 ', a hose reel 37 is arranged as a hose repository 18 and by means of the cleaning hose conveying module 19 the cleaning hose 4 is guided to a hose guide 5 to 9.

Damit der vom Reinigungsschlauchfördermodul 19 angetriebene von der Schlauchtrommel 37 abgerollte Schlauch vor Eintritt in die Schlauchführung 5 bis 9 nicht knickt, ist das Reinigungsschlauchfördermodul 19 unmittelbar vor der Schlauchführung angeordnet.So that the hose, which is driven by the cleaning hose conveying module 19 and does not roll off the hose drum 37, does not buckle before entering the hose guide 5 to 9, the cleaning hose conveying module 19 is arranged directly in front of the hose guide.

Das Reinigungsschlauchfördermodul 19 weist eine Vorschubrolle 20 mit einer umlaufenden Nut 21 auf, in der der Schlauch 4 geführt ist. Der Schlauch 4 kann dabei in der Nut 21 festgehalten werden, sodass eine Umfangskraft der Rolle 20 bei einem Drehen der Rolle 20 sich auf den Schlauch 4 überträgt. Vorteilhaft ist es, wenn mehrere Anpressrollen 22 bis 25 den Schlauch in die Nut 21 drücken.The cleaning hose conveying module 19 has a feed roller 20 with a circumferential groove 21, in which the hose 4 is guided. The tube 4 can be held in the groove 21, so that a circumferential force of the roller 20 upon rotation of the roller 20 transmits to the tube 4. It is advantageous if several pressure rollers 22 to 25 press the tube into the groove 21.

Die Figur 4 zeigt eine Schlauchreinigungseinrichtung 26. Am vorderen Ende des Schlauches 4 ist eine Düse 27 angeordnet, die durch die Schlauchreinigungseinrichtung 26 hindurch und durch den Stutzen 17 in die Schlauchführung 5 geschoben werden kann. Die Düse 27 gelangt dann in die Kesselanlage 2 und dort in den Rauchgaszug 28, um dort Wärmetauscherflächen und Membranwände zu reinigen.The FIG. 4 shows a hose cleaning device 26. At the front end of the hose 4, a nozzle 27 is arranged, which passes through the hose cleaning device 26 and can be pushed through the nozzle 17 in the tube guide 5. The nozzle 27 then passes into the boiler system 2 and there into the flue 28 to clean there heat exchanger surfaces and membrane walls.

Beim Hereinfahren und Herausziehen der Düse 27 kommt der Schlauch 4 in Berührung mit Rauchgasen. Dies führt dazu, dass der Reinigungsschlauch 4 mit seinem typischen Metallgewebe als schützende Außenhülle eine beträchtliche Menge Flugasche beim Herausziehen aus dem Kesselinneren nach außen transportiert. Dies kann zu Verschmutzungen am Schieber 29, am Stutzen 17 und an der Schlauchtrommel 37 des Schlauchspeichers 18 führen. Auch das Reinigungsschlauchfördermodul 19 wird durch derartige Verschmutzungen beeinträchtigt. Daher werden mit der Schlauchreinigungseinrichtung 26 der Schlauch 4 und gegebenenfalls auch die Düse 27 gereinigt.When driving in and pulling out the nozzle 27, the hose 4 comes into contact with flue gases. As a result, the cleaning hose 4 with its typical metal fabric as a protective outer shell transports a considerable amount of fly ash when it is pulled out of the interior of the boiler. This can lead to contamination on the slide 29, the nozzle 17 and the hose reel 37 of the hose accumulator 18. The cleaning hose delivery module 19 is affected by such contamination. Therefore, with the hose cleaning device 26, the hose 4 and possibly also the nozzle 27 are cleaned.

Als Schlauchreinigungseinrichtung 26 dient ein rohrförmiges Element als Spülrohr 30, an dem ein Gaszugang 31 und ein Flüssigkeitszugang 32 angeordnet sind. Der Gaszugang 31 steht mit einer unter Druck stehenden Gasleitung (nicht gezeigt) in Verbindung, während der Flüssigkeitszugang 32 mit einer Reinigungsflüssigkeitsleitung wie beispielsweise einer Brauchwasserleitung (nicht gezeigt) in Verbindung steht.The hose cleaning device 26 is a tubular element as a flushing pipe 30, to which a gas inlet 31 and a liquid access 32 are arranged. The gas inlet 31 communicates with a pressurized gas line (not shown) while the liquid access 32 communicates with a cleaning fluid line such as a service water line (not shown).

Beim Herausziehen des verschmutzen Schlauches 4 aus der Schlauchführung 5 wird der Schlauch 4 somit zunächst über Düsen 33 mit Reinigungsflüssigkeit besprüht und anschließend mittels einer pneumatischen Schlauchbedüsung getrocknet. Jedes Teil des Schlauches 4 durchfährt somit beim Herausziehen des Schlauches zunächst eine Schlauchbedüsung 34 mit einer Flüssigkeit und anschließend eine pneumatische Schlauchbedüsung 35, um gereinigt das Spülrohr 30 zu verlassen.When pulling out the dirty hose 4 from the hose guide 5, the hose 4 is thus first sprayed through nozzles 33 with cleaning liquid and then dried by means of a pneumatic Schlauchbedüsung. Each part of the tube 4 thus passes when pulling out of the tube first a Schlauchbedüsung 34 with a liquid and then a pneumatic Schlauchbedüsung 35 to leave the flushing pipe 30 cleaned.

Um den Schlauch 4 genau in die Reinigungseinrichtung 26 einzuführen, ist eine Hubzylindereinheit 36 vorgesehen, die zwischen der Reinigungseinrichtung 26 und dem Reinigungsschlauchfördermodul 19 angeordnet ist.In order to introduce the hose 4 exactly into the cleaning device 26, a lifting cylinder unit 36 is provided which is arranged between the cleaning device 26 and the cleaning hose conveying module 19.

Damit für viele Stutzen 17 von Schlauchführungen 5 bis 9 nur eine Schlauchreinigungseinrichtung 26 benötigt wird, ist die Schlauchreinigungseinrichtung 26 am Reinigungsschlauchfördermodul 19 befestigt.So that only a hose cleaning device 26 is required for many nozzles 17 of hose guides 5 to 9, the hose cleaning device 26 is fastened to the cleaning hose conveyor module 19.

Beim Einsatz der Vorrichtung 1 zum Reinigen von Rauchgaszügen 28 wird das Reinigungsmodul mit einem ersten Antriebsmotor der Reinigungsschlauchpositioniereinrichtung 3 über einem Stutzen 17 einer Schlauchführung 5 positioniert. Ein zweiter Motor bewerkstelligt das Auf- und Abrollen des Schlauches. Mittels zweier Kupplungen wird entweder die Vorschubrolle 20 zum Absenken oder die Schlauchtrommel 37 des Schlauchspeichers 18 zum Herausziehen des Schlauches 4 mit dem Antrieb verbunden. Zur Sicherheit gegen selbstständiges Abwickeln des Schlauches wird die Schlauchtrommel 37 über eine Bremse 38 gehalten.When using the device 1 for cleaning flue gas trains 28, the cleaning module is positioned with a first drive motor of the cleaning hose positioning device 3 via a connection 17 of a hose guide 5. A second motor accomplishes the winding and unwinding of the hose. By means of two clutches either the feed roller 20 for lowering or the hose reel 37 of the hose accumulator 18 for pulling out the hose 4 is connected to the drive. For safety against unintentional unwinding of the hose, the hose reel 37 is held by a brake 38.

Wenn die Schlauchreinigungseinrichtung 26 durch einen am Rahmen der Schlauchpositioniereinrichtung 3 angeordneten Getriebemotor über dem gewünschten Stutzen 17 positioniert ist, wird die Schlauchreinigungseinrichtung 26 mittels eines Pneumatikzylinders 36 durch einen Schieber 29 hindurch in den Stutzen 17 abgesenkt. Die hydraulische Schlauchbedüsung 34 und die pneumatische Schlauchbedüsung 35 wirken als Spül- und Trockeneinheit. Durch ihre Positionierung in einem Trichter (nicht gezeigt) des Stutzens 17 ist die Drehbewegung der Reinigungsschlauchpositioniereinrichtung 3 hinreichend arretiert. Eine zusätzliche Fixierung dieser Position ist nicht erforderlich. Dadurch entsteht ein nahezu geschlossenes System, welches das Ausströmen von Rauchgasen aufgrund von beispielsweise Verpuffungen vermindern kann.When the hose cleaning device 26 is positioned above the desired nozzle 17 by a geared motor arranged on the frame of the hose positioning device 3, the hose cleaning device 26 is lowered by means of a pneumatic cylinder 36 through a slide 29 into the nozzle 17. The hydraulic Schlauchbedüsung 34 and the pneumatic Schlauchbedüsung 35 act as a rinsing and drying unit. By their positioning in a funnel (not shown) of the nozzle 17, the rotational movement of the Reinigungsschlauchpositioniereinrichtung 3 is sufficiently locked. An additional fixation of this position is not required. This creates a nearly closed system, which can reduce the outflow of flue gases due to, for example, deflagration.

Durch Schließen einer ersten Kupplung wird nun ein Riemenrad mit einer Antriebswelle verbunden und mit Hilfe des integrierten Reinigungsschlauchfördermoduls 19 wird der Schlauch 4 mit seiner Düse 27 in die Schlauchführung 5 eingeschoben. Dazu pressen die federbelasteten Anpressrollen 22 bis 25 den Schlauch 4 in die Nut 21 der Vorschubrolle 20, sodass diese aufgrund des Reibschlusses mit der Vorschubrolle von der Schlauchtrommel 37 gezogen wird. Der Antrieb der Vorschubrolle 20 erfolgt dabei von einer Antriebswelle über die erste Kupplung, einen Zahnriemen und ein Umlenkgetriebe. Voraussetzung dafür ist, dass sowohl die zweite Kupplung als auch die Bremse offen sind, sodass sich die Schlauchtrommel frei drehen kann.By closing a first clutch, a pulley is now connected to a drive shaft and with the aid of the integrated cleaning hose delivery module 19, the hose 4 is inserted with its nozzle 27 into the hose guide 5. For this purpose, the spring-loaded pressure rollers 22 to 25 press the tube 4 into the groove 21 of the feed roller 20, so that it is pulled by the hose reel 37 due to the frictional engagement with the feed roller. The drive of the feed roller 20 takes place from a drive shaft via the first clutch, a toothed belt and a deflection gear. The prerequisite for this is that both the second clutch and the brake are open so that the hose reel can rotate freely.

Das Reinigungsschlauchfördermodul 19 hat den Vorteil, dass sowohl eine senkrechte als auch eine horizontale Einführung des Schlauches 4 in eine Schlauchführung 5 möglich ist. Darüber hinaus können durch den Einsatz des Reinigungsschlauchfördermoduls Bögen größer 30 ° mit einem Bogenmaß von mindestens 400 bis 500 mm eingesetzt werden, sodass auch bauliche Engstellen oder geringe Platzverhältnisse im Bereich zwischen der Kesseldecke des Kessels 2 und Plattform 16, in dem die Schlauchführungen verlaufen, keine Probleme bereiten.The cleaning hose delivery module 19 has the advantage that both a vertical and a horizontal insertion of the hose 4 in a hose guide 5 is possible. In addition, by using the cleaning hose conveying module bends greater than 30 ° can be used with a radian measure of at least 400 to 500 mm, so even structural bottlenecks or small space in the area between the boiler cover of the boiler 2 and platform 16, where the hose guides run, no To cause problems.

Zum Herausziehen des Schlauches 4 wird die erste Kupplung geöffnet, sodass sich die Vorschubrolle 20 frei drehen kann. Die Schlauchtrommel 37 ist dabei über die zweite Kupplung mit der Antriebswelle verbunden. Wenn der Schlauch 4 vollständig aus dem Spülrohr der Schlauchführung 5 herausgezogen ist, wird die Bremse 38 geschlossen, sodass ein Absacken der Düse 27 ausgeschlossen ist. Die zweite Kupplung wird dann wieder geöffnet.To pull out the hose 4, the first clutch is opened, so that the feed roller 20 can rotate freely. The hose reel 37 is connected via the second clutch to the drive shaft. When the tube 4 is completely pulled out of the flushing tube of the tube guide 5, the brake 38 is closed, so that a sagging of the nozzle 27 is excluded. The second clutch is then reopened.

Abschließend wird die Schlauchreinigungseinrichtung 26 aus dem Stutzen 17 herausgezogen. Nun kann die Reinigungsschlauchpositioniereinrichtung 3 entweder an dieser Stelle verharren oder zum nächsten Stutzen 17 einer anderen Schlauchführung 6 verfahren werden. Vorteilhaft ist es, wenn die Reinigungsschlauchpositioniereinrichtung 3 nach Abschluss der Reinigung auf eine definierte Parkposition gefahren wird, welche an einem in der Regel außen liegenden bestimmten Stutzen oder in einem Bereich außerhalb der Stutzen liegt.Finally, the hose cleaning device 26 is pulled out of the pipe 17. Now, the cleaning hose positioning device 3 can either stay in this position or be moved to the next pipe 17 of another hose guide 6. It is advantageous if the Reinigungsschlauchpositioniereinrichtung 3 is driven after completion of the cleaning to a defined parking position, which is located on a rule lying outside certain nozzle or in an area outside the nozzle.

Claims (15)

  1. A device (1, 1') for cleaning flue gas flues (28) of a boiler system (2) comprising a cleaning hose (4, 4'), which can be introduced into a flue gas flue through an access, a hose store (18) for storing the cleaning hose outside of the flue gas flue (28), and a hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9'), through which the cleaning hose (4, 4') can be introduced into the flue gas flue (28), characterized in that said device has a cleaning hose transporting module (19), by means of which the cleaning hose (4, 4') can be pushed from the hose store into the hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9'), which runs between the cover of the boiler (2) and a platform (16).
  2. The device according to claim 1, characterized in that the cleaning hose transporting module (19) is arranged directly upstream of the hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9').
  3. The device according to one of the preceding claims, characterized in that the hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9') has a vertical and a horizontal directional component in order to also guide the cleaning hose (4, 4') in the tubular hose guide across diagonal distances to an opening in a flue gas flue.
  4. The device according to one of the preceding claims, characterized in that the hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9') has curved parts of greater than 30° with a bending radius of at least 500 mm.
  5. The device according to one of the preceding claims, characterized in that the hose drum (37) is arranged horizontally.
  6. The device according to one of the preceding claims, characterized in that the cleaning hose transporting module (19) has contact rollers (22, 23, 24, 25), which are pretensioned by means of spring force.
  7. The device according to one of the preceding claims, characterized in that the speed of the cleaning hose (4, 4'), which is driven by the cleaning hose transporting module (19), is controlled via a feed drive.
  8. The device according to one of the preceding claims, characterized in that it has a cleaning hose positioning device (3), which guides the cleaning hose (4, 4') on a defined path to a plurality of hose guides (5, 6, 7, 8, 9, 5', 6', 7', 8', 9').
  9. The device according to claim 5, characterized in that the path is located on a circular line (11).
  10. The device according to claim 5, characterized in that the path is located on a straight line (10).
  11. The device according to one of the preceding claims, characterized in that it has a hose cleaning device (26) comprising a pneumatic hose spraying (35).
  12. The device according to claim 8, characterized in that the hose cleaning device has a hose spraying (34) by means of a cleaning fluid, in particular by means of a cleaning liquid.
  13. The device according to claim 8 or 9, characterized in that the hose cleaning device (26) is fastened to the cleaning hose transporting module (19) and can be connected to the hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9').
  14. A method for cleaning flue gas flues (28) of a boiler system (2) comprising a cleaning hose (4, 4'), in the case of which the cleaning hose (4, 4') is unrolled from a hose store (18) and is introduced into a flue gas flue (28) through an opening, wherein the cleaning hose (4, 4') is pushed from the hose store (18) through a tubular hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9') into the opening by means of a cleaning hose transporting module (19), characterized in that the cleaning hose (4, 4') can be pushed from the hose store (18) into the hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9'), which runs between the cover of the boiler (2) and a platform (16) by means of a cleaning hose transporting module (19).
  15. The method according to claim 14, characterized in that the tubular hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9') is rinsed by means of a lubricant, before, during or after the cleaning hose (4, 4') is pushed into the hose guide (5, 6, 7, 8, 9, 5', 6', 7', 8', 9').
EP15720584.0A 2014-04-01 2015-03-23 Device for cleaning flue gas flues of a boiler system, comprising a cleaning hose, a hose store and a hose guide Revoked EP2965032B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL16002686T PL3173727T3 (en) 2014-04-01 2015-03-23 Device for cleaning flue pipes of a boiler plant with a cleaning hose
PL15720584T PL2965032T3 (en) 2014-04-01 2015-03-23 Device for cleaning flue gas flues of a boiler system, comprising a cleaning hose, a hose store and a hose guide
EP16002686.0A EP3173727B1 (en) 2014-04-01 2015-03-23 Device for cleaning flue pipes of a boiler plant with a cleaning hose
DK16002686.0T DK3173727T3 (en) 2014-04-01 2015-03-23 Device for cleaning flue gas in a boiler system with a cleaning hose

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014004639.7A DE102014004639A1 (en) 2014-04-01 2014-04-01 Device for cleaning flues of a boiler system with a cleaning hose, a hose storage and a hose guide
PCT/DE2015/000132 WO2015149733A1 (en) 2014-04-01 2015-03-23 Device for cleaning flue gas flues of a boiler system, comprising a cleaning hose, a hose store and a hose guide

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EP16002686.0A Division-Into EP3173727B1 (en) 2014-04-01 2015-03-23 Device for cleaning flue pipes of a boiler plant with a cleaning hose
EP16002686.0A Division EP3173727B1 (en) 2014-04-01 2015-03-23 Device for cleaning flue pipes of a boiler plant with a cleaning hose

Publications (2)

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EP2965032A1 EP2965032A1 (en) 2016-01-13
EP2965032B1 true EP2965032B1 (en) 2017-03-15

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EP16002686.0A Active EP3173727B1 (en) 2014-04-01 2015-03-23 Device for cleaning flue pipes of a boiler plant with a cleaning hose
EP15720584.0A Revoked EP2965032B1 (en) 2014-04-01 2015-03-23 Device for cleaning flue gas flues of a boiler system, comprising a cleaning hose, a hose store and a hose guide

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US (1) US10907913B2 (en)
EP (2) EP3173727B1 (en)
JP (1) JP6627150B2 (en)
AU (1) AU2015240220B2 (en)
CA (1) CA2941848C (en)
DE (2) DE102014004639A1 (en)
DK (2) DK3173727T3 (en)
ES (2) ES2712999T3 (en)
PL (2) PL2965032T3 (en)
PT (1) PT3173727T (en)
SG (2) SG10201808537PA (en)
WO (1) WO2015149733A1 (en)

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CN107387621A (en) * 2017-06-29 2017-11-24 太仓市惠得利弹簧有限公司 A kind of spring for being used to clean
JP7358925B2 (en) * 2019-11-11 2023-10-11 Ｊｆｅエンジニアリング株式会社 Boiler dust removal device and dust removal method
CN113182292B (en) * 2021-05-29 2022-11-01 江苏恒源建设有限公司 Municipal administration hose inner wall cleaning device

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PL3173727T3 (en) 2019-05-31
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PT3173727T (en) 2019-03-19
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DE112015001673A5 (en) 2016-12-22
JP6627150B2 (en) 2020-01-08

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