EP0326209B1 - Apparatus for treating internal tube surfaces with liquids - Google Patents
Apparatus for treating internal tube surfaces with liquids Download PDFInfo
- Publication number
- EP0326209B1 EP0326209B1 EP89200107A EP89200107A EP0326209B1 EP 0326209 B1 EP0326209 B1 EP 0326209B1 EP 89200107 A EP89200107 A EP 89200107A EP 89200107 A EP89200107 A EP 89200107A EP 0326209 B1 EP0326209 B1 EP 0326209B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- treatment container
- pipes
- nozzles
- treatment
- supports
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
Definitions
- the invention relates to a device for treating the inner surface of pipes with liquids, consisting of a treatment tank with supports for the pipes, nozzles for connecting one end of the pipes and supply lines for liquids to the nozzles.
- the inner surface of pipes must in some cases be filled with liquids, e.g. Pickling liquid.
- the treatment should be carried out as evenly as possible on the entire inner surface.
- the treatment liquid must be completely removed after the treatment.
- each pipe is pushed in a separate outer container with one end onto a conical holding device and then a conical nozzle is inserted into the other end.
- the liquid flows through the nozzle into the pipe, exits at the lower end and flows between the outside of the pipe and the inside of the outer container to an outlet in the outer container.
- the loading of the outer container with the pipes and their sealing are complex and the parts of the pipes covered by the conical nozzle and conical holding device are not or only poorly pickled.
- the invention has for its object to enable a completely uniform treatment of the inner surface with the least possible effort and avoiding environmental pollution and damage to the staff.
- an upward-folding lid (4) is arranged in the front longitudinal wall of the treatment container (1) above the supports (2) for the tubes (3), one in the upper part of the treatment container (1)
- Exhaust device (5) extending over the length of the treatment container is arranged and nozzles are arranged on the inside on a side wall of the treatment container (1) for inserting one end of the tubes (3).
- the treatment tank consists of a tub to collect the liquid flowing from the pipes and a hood that is closed on all sides.
- the supports for the pipes are arranged above the liquid level in the tub.
- the supports consist of several, spaced strips, in which notches for receiving the pipes are arranged.
- the suction device through which gases are sucked out of the treatment container, is arranged below the cover of the hood.
- the suction device preferably consists of a tube which is provided with a gap or with holes for sucking in the gases.
- the hinged lid is attached to a swivel bearing at its upper end and extends with its lower end to the supports for the pipes.
- the nozzles are connected by the side wall with lines for the supply of liquid and possibly air. The tubes are pushed into the nozzles by hand.
- the length of the treatment tank is chosen so that the liquid flowing out of the free ends of the tubes does not splash against the side wall of the treatment tank, but flows as a jet into the tub.
- the lid With the lid open, the tubes are pushed into the nozzles, the lid is closed, and the treatment liquid is passed through the tubes Pipes may be rinsed, the liquid residues are blown out with compressed air, the lid is opened, the pipes are pulled out of the nozzles and removed from the treatment tank. If the outside of the tubes is then to be treated, the tubes can be passed directly through an opening in the rear wall of the treatment tank into the further treatment stages.
- a preferred embodiment is that the pivot bearing (8) for the hinged lid (4) is arranged so far to the rear that dripping liquid drips into the rear part of the treatment container (1) in the open position.
- the lid then extends obliquely from the front of the tub to the pivot bearing. As a result, drops fall from the lid pivoted upwards into the rear part of the treatment container, so that the operating personnel are largely protected when the tubes are removed.
- a preferred embodiment consists in that a blowing device (9) for air, which extends over the length of the treatment container (1) and approximately at the level of the supports (2), is arranged on the front of the treatment container (1).
- the blowing device expediently consists of a tube which is provided with a series of nozzle holes which are directed obliquely upwards onto the suction device. This creates an air curtain that prevents vapors from escaping when the lid is open.
- the air curtain can be generated continuously or to save compressed air only when the lid is open, for example via switch contacts that are actuated by the lid.
- a preferred embodiment consists in that the nozzles (6) are connected via a line (10) with a diaphragm valve (11) and a pump (12) with a tank (13) for the treatment liquid and into the line (10) between nozzles (6) and diaphragm valve (11) opens a second line (14) with a second diaphragm valve (15) for blowing compressed air.
- the diaphragm valve opens automatically and closes automatically after the specified treatment time when the pump is switched off.
- the diaphragm valve closes, the second diaphragm valve opens automatically and allows air to blow into the nozzles to be able to blow out the pipes.
- the second diaphragm valve closes automatically after the blow-out time.
- the entire control can of course also be done by hand.
- a preferred embodiment is that the further diaphragm valve (15) is connected to a display device for ending the blowing time of the compressed air. This ensures that the lid is not opened before the treatment.
- the supports (2) for the pipes (3) are arranged in the treatment container (1).
- a cover (4) is arranged above the supports (2), which can be folded upwards (dashed position in Fig. 2).
- a tube with slots (16) is arranged as a suction device (5).
- the tubes (3) lie in notches in the supports (2).
- the pivot bearing (8) for the lid (4) is arranged so far to the rear in the upper part of the treatment container (1) that the cover (4) is so far away from the front of the treatment container (1) in the open position that dripping Liquid drips into the back of the treatment tank (1).
- a pipe with nozzle holes (17) is arranged on the front of the treatment container (1) as a blowing device (9) for air.
- the air blown in creates an air curtain (18) which is directed obliquely upwards in the direction of the suction device (5).
- the compressed air is fed into the blowing device (9) via line (19).
- the nozzles (6) are connected via line (10), membrane valve (11) and pump (12) to the tank (13) in which the treatment liquid is stored.
- a second line (14) with a second diaphragm valve (15) for blowing compressed air as purge air into the nozzles (6) opens into the line (11).
- the tubes are pulled out of the nozzles and placed on the spatially inclined runway (2). From this they fall into the rinsing liquid so that one end leads and the pipes are completely filled with washing liquid.
- the tubes roll from the inclined receiving surface (21) onto the support body (22), which is provided on both end faces a separate controllable lifting and lowering device is connected.
- the tubes are moved back and forth by slightly lifting and lowering the support body (22) by means of the lifting and lowering device. Then the support body (22) with the tubes lying on it is raised to the dashed position.
- the flap (23) is opened by the lever system (24) and the tubes roll from the surface of the support body (22) onto the spatially inclined run-off path (28). From this they fall with one end leading onto the inclined support body (25).
- This second washing stage and the subsequent third washing stage are operated in the same way as the first washing stage. After the last washing stage, the tubes fall into the holding device (27).
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning In General (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zur Behandlung der inneren Oberfläche von Rohren mit Flüssigkeiten, bestehend aus einem Behandlungsbehälter mit Auflagern für die Rohre, Düsen zum Anschluß eines Endes der Rohre sowie Zuleitungen für Flüssigkeiten zu den Düsen.The invention relates to a device for treating the inner surface of pipes with liquids, consisting of a treatment tank with supports for the pipes, nozzles for connecting one end of the pipes and supply lines for liquids to the nozzles.
Die innere Oberfläche von Rohren muß in manchen Fällen mit Flüssigkeiten, z.B. Beizflüssigkeit, behandelt werden. Die Behandlung soll möglichst gleichmäßig auf der gesamten Innenfläche erfolgen. Nach der Behandlung muß die Behandlungsflüssigkeit vollständig entfernt werden.The inner surface of pipes must in some cases be filled with liquids, e.g. Pickling liquid. The treatment should be carried out as evenly as possible on the entire inner surface. The treatment liquid must be completely removed after the treatment.
Aus der DE-OS 3005820 ist eine Behandlung der inneren Oberfläche von Rohren bekannt, bei der jedes Rohr in einem separaten Außenbehälter mit einem Ende auf eine konische Haltevorrichtung geschoben wird und dann in das andere Ende eine konische Düse eingeschoben wird. Die Flüssigkeit fließt durch die Düse in das Rohr, tritt am unteren Ende aus und strömt zwischen Außenseite des Rohres und Innenseite des Außenbehälters zu einem Auslauf im Außenbehälter. Die Beschickung der Außenbehälter mit den Rohren und ihrer Abdichtung sind aufwendig und die von der konischen Düse und konischen Haltevorrichtung bedeckten Teile der Rohre werden nicht oder schlecht gebeizt.From DE-OS 3005820 a treatment of the inner surface of pipes is known, in which each pipe is pushed in a separate outer container with one end onto a conical holding device and then a conical nozzle is inserted into the other end. The liquid flows through the nozzle into the pipe, exits at the lower end and flows between the outside of the pipe and the inside of the outer container to an outlet in the outer container. The loading of the outer container with the pipes and their sealing are complex and the parts of the pipes covered by the conical nozzle and conical holding device are not or only poorly pickled.
Der Erfindung liegt die Aufgabe zugrunde, eine völlig gleichmäßige Behandlung der inneren Oberfläche mit möglichst geringem Aufwand und unter Vermeidung von Umweltbelästigung und Schädigung des Personals zu ermöglichen.The invention has for its object to enable a completely uniform treatment of the inner surface with the least possible effort and avoiding environmental pollution and damage to the staff.
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß dadurch, daß in der vorderen Längswand des Behandlungsbehälters (1) oberhalb der Auflager (2) für die Rohre (3) ein nach oben klappbarer Deckel (4) angeordnet ist, im oberen Teil des Behandlungsbehälters (1) eine sich über die Länge des Behandlungsbehälters erstreckende Absaugvorrichtung (5) angeordnet ist und Düsen innen an einer Seitenwand des Behandlungsbehälters (1) zum Einschieben eines Endes der Rohre (3) angeordnet sind.This object is achieved according to the invention in that an upward-folding lid (4) is arranged in the front longitudinal wall of the treatment container (1) above the supports (2) for the tubes (3), one in the upper part of the treatment container (1) Exhaust device (5) extending over the length of the treatment container is arranged and nozzles are arranged on the inside on a side wall of the treatment container (1) for inserting one end of the tubes (3).
Der Behandlungsbehälter besteht aus einem Bottich zum Auffangen der aus den Rohren fließenden Flüssigkeit und einer allseitig geschlossenen Haube. Oberhalb des Flüssigkeitsspiegels im Bottich sind die Auflager für die Rohre angeordnet. Die Auflager bestehen aus mehreren, mit Abstand zueinander angeordneten Leisten, in denen Kerben zur Aufnahme der Rohre angeordnet sind. Unterhalb der Decke der Haube ist die Absaugvorrichtung angeordnet, durch die Gase aus dem Behandlungsbehälter abgesaugt werden. Die Absaugvorrichtung besteht vorzugsweise aus einem Rohr, das mit einem Spalt oder mit Löchern zum Einsaugen der Gase versehen ist. Der aufklappbare Deckel ist an seinem oberen Ende in einem Schwenklager befestigt und reicht mit seinem unteren Ende bis zu den Auflagern für die Rohre. Die Düsen sind durch die Seitenwand mit Leitungen zur Zufuhr von Flüssigkeit und evtl. Luft verbunden. Die Rohre werden in die Düsen von Hand eingeschoben. Die Länge des Behandlungsbehälters wird so gewählt, daß die aus den freien Enden der Rohre ausfließende Flüssigkeit nicht gegen die Seitenwand des Behandlungsbehälters spritzt, sondern als Strahl in den Bottich fließt. Die Rohre werden bei geöffnetem Deckel in die Düsen eingeschoben, der Deckel wird geschlossen, die Behandlungsflüssigkeit wird durch die Rohre geleitet, die Rohre werden evtl. gespült, die Flüssigkeitsreste werden mit Preßluft ausgeblasen, der Deckel wird geöffnet, die Rohre werden aus den Düsen gezogen und aus dem Behandlungsbehälter herausgenommen. Wenn anschließend eine Behandlung der Rohre auf ihrer Außenseite erfolgen soll, können die Rohre direkt durch eine Öffnung in der Rückwand des Behandlungsbehälters in die weiteren Behandlungsstufen übergeben werden.The treatment tank consists of a tub to collect the liquid flowing from the pipes and a hood that is closed on all sides. The supports for the pipes are arranged above the liquid level in the tub. The supports consist of several, spaced strips, in which notches for receiving the pipes are arranged. The suction device, through which gases are sucked out of the treatment container, is arranged below the cover of the hood. The suction device preferably consists of a tube which is provided with a gap or with holes for sucking in the gases. The hinged lid is attached to a swivel bearing at its upper end and extends with its lower end to the supports for the pipes. The nozzles are connected by the side wall with lines for the supply of liquid and possibly air. The tubes are pushed into the nozzles by hand. The length of the treatment tank is chosen so that the liquid flowing out of the free ends of the tubes does not splash against the side wall of the treatment tank, but flows as a jet into the tub. With the lid open, the tubes are pushed into the nozzles, the lid is closed, and the treatment liquid is passed through the tubes Pipes may be rinsed, the liquid residues are blown out with compressed air, the lid is opened, the pipes are pulled out of the nozzles and removed from the treatment tank. If the outside of the tubes is then to be treated, the tubes can be passed directly through an opening in the rear wall of the treatment tank into the further treatment stages.
Eine bevorzugte Ausgestaltung besteht darin, daß das Schwenklager (8) für den klappbaren Deckel (4) so weit nach hinten angeordnet ist, daß bei geöffneter Stellung herabtropfende Flüssigkeit in den hinteren Teil des Behandlungsbehälters (1) tropft. Der Deckel erstreckt sich dann von der Vorderseite des Bottichs schräg nach hinten zum Schwenklager. Dadurch fallen Tropfen von nach oben geschwenktem Deckel in den hinteren Teil des Behandlungsbehälters, so daß das Bedienungspersonal beim Herausnehmen der Rohre weitgehend geschützt ist.A preferred embodiment is that the pivot bearing (8) for the hinged lid (4) is arranged so far to the rear that dripping liquid drips into the rear part of the treatment container (1) in the open position. The lid then extends obliquely from the front of the tub to the pivot bearing. As a result, drops fall from the lid pivoted upwards into the rear part of the treatment container, so that the operating personnel are largely protected when the tubes are removed.
Eine bevorzugte Ausgestaltung besteht darin, daß an der Vorderseite des Behandlungsbehälters (1) eine sich über die Länge des Behandlungsbehälters (1) erstreckende Einblasvorrichtung (9) für Luft etwa in Höhe der Auflager (2) angeordnet ist. Die Einblasvorrichtung besteht zweckmäßigerweise aus einem Rohr, das mit einer Reihe von Düsenlöchern versehen ist, die schräg nach oben auf die Absaugvorrichtung gerichtet sind. Dadurch wird ein Luftschleier erzeugt, der das Austreten von Dämpfen bei geöffnetem Deckel verhindert. Der Luftschleier kann ständig oder zur Einsparung von Druckluft nur bei geöffnetem Deckel erzeugt werden, z.B. über Schaltkontakte, die vom Deckel betätigt werden.A preferred embodiment consists in that a blowing device (9) for air, which extends over the length of the treatment container (1) and approximately at the level of the supports (2), is arranged on the front of the treatment container (1). The blowing device expediently consists of a tube which is provided with a series of nozzle holes which are directed obliquely upwards onto the suction device. This creates an air curtain that prevents vapors from escaping when the lid is open. The air curtain can be generated continuously or to save compressed air only when the lid is open, for example via switch contacts that are actuated by the lid.
Eine bevorzugte Ausgestaltung besteht darin, daß die Düsen (6) über eine Leitung (10) mit einem Membranventil (11) und einer Pumpe (12) mit einem Tank (13) für die Behandlungsflüssigkeit verbunden sind und in die Leitung (10) zwischen Düsen (6) und Membranventil (11) eine zweite Leitung (14) mit einem zweiten Membranventil (15) für das Einblasen von Druckluft mündet. Beim Anstellen der Pumpe öffnet das Membranventil automatisch und schließt automatisch nach Ablauf der vorgegebenen Behandlungszeit beim Abstellen der Pumpe. Beim Schließen des Membranventils öffnet automatisch das zweite Membranventil und läßt zeitlich einstellbar und druckregelbar Luft zum Ausblasen der Rohre in die Düsen eintreten. Nach Ablauf der Ausblaszeit schließt das zweite Membranventil automatisch. Die gesamte Steuerung kann natürlich auch von Hand erfolgen.A preferred embodiment consists in that the nozzles (6) are connected via a line (10) with a diaphragm valve (11) and a pump (12) with a tank (13) for the treatment liquid and into the line (10) between nozzles (6) and diaphragm valve (11) opens a second line (14) with a second diaphragm valve (15) for blowing compressed air. When the pump is started, the diaphragm valve opens automatically and closes automatically after the specified treatment time when the pump is switched off. When the diaphragm valve closes, the second diaphragm valve opens automatically and allows air to blow into the nozzles to be able to blow out the pipes. The second diaphragm valve closes automatically after the blow-out time. The entire control can of course also be done by hand.
Eine bevorzugte Ausgestaltung besteht darin, daß das weitere Membranventil (15) mit einer Anzeigevorrichtung für die Beendigung der Blaszeit der Druckluft verbunden ist. Dadurch wird sicher gestellt, daß der Deckel nicht vor Ablauf der Behandlung geöffnet wird.A preferred embodiment is that the further diaphragm valve (15) is connected to a display device for ending the blowing time of the compressed air. This ensures that the lid is not opened before the treatment.
Die Erfindung wird anhand von Figuren näher erläutert.
- Fig. 1
- ist ein schematischer Längsschnitt durch die erfindungsgemäße Vorrichtung.
- Fig. 2
- ist ein Querschnitt gemäß I-I in Fig. 1 mit einer anschließenden Vorrichtung zum Beizen der Außenseite der Rohre.
The invention is explained in more detail with reference to figures.
- Fig. 1
- is a schematic longitudinal section through the device according to the invention.
- Fig. 2
- is a cross section according to II in Fig. 1 with a subsequent device for pickling the outside of the tubes.
In dem Behandlungsbehälter (1) sind die Auflager (2) für die Rohre (3) angeordnet. In der vorderen Längswand des Behandlungsbehälters (1) ist oberhalb der Auflager (2) ein Deckel (4) angeordnet, der nach oben klappbar ist (gestrichelte Stellung in Fig. 2). Im oberen Teil des Behandlungsbehälters (1) ist als Absaugvorrichtung (5) ein Rohr mit Schlitzen (16) angeordnet. An der Seitenwand (7) sind innen Düsen (6) angeordnet, in welche die Rohre (3) mit einem Ende eingeschoben werden. Die Rohre (3) liegen in Kerben in den Auflagern (2). Das Schwenklager (8) für den Deckel (4) ist so weit nach hinten im oberen Teil des Behandlungsbehälters (1) angeordnet, daß der Deckel (4) in geöffneter Stellung so weit von der Vorderseite des Behandlungsbehälters (1) entfernt ist, daß herabtropfende Flüssigkeit in den hinteren Teil des Behandlungsbehälters (1) tropft. An der Vorderseite des Behandlungsbehälters (1) ist als Einblasvorrichtung (9) für Luft ein Rohr mit Düsenlöchern (17) angeordnet. Die eingeblasene Luft erzeugt einen Luftschleier (18), der schräg aufwärts in Richtung der Absaugvorrichtung (5) gerichtet ist. Die Druckluft wird über Leitung (19) in die Einblasvorrichtung (9) geleitet. Die Düsen (6) sind über Leitung (10), Membranventil (11) und Pumpe (12) mit dem Tank (13) verbunden, in dem Behandlungsflüssigkeit gelagert ist. In die Leitung (11) mündet eine zweite Leitung (14) mit einem zweiten Membranventil (15) zum Einblasen von Druckluft als Spülluft in die Düsen (6).The supports (2) for the pipes (3) are arranged in the treatment container (1). In the front longitudinal wall of the Treatment container (1) a cover (4) is arranged above the supports (2), which can be folded upwards (dashed position in Fig. 2). In the upper part of the treatment container (1) a tube with slots (16) is arranged as a suction device (5). On the inside of the side wall (7) there are nozzles (6) into which the tubes (3) are inserted at one end. The tubes (3) lie in notches in the supports (2). The pivot bearing (8) for the lid (4) is arranged so far to the rear in the upper part of the treatment container (1) that the cover (4) is so far away from the front of the treatment container (1) in the open position that dripping Liquid drips into the back of the treatment tank (1). A pipe with nozzle holes (17) is arranged on the front of the treatment container (1) as a blowing device (9) for air. The air blown in creates an air curtain (18) which is directed obliquely upwards in the direction of the suction device (5). The compressed air is fed into the blowing device (9) via line (19). The nozzles (6) are connected via line (10), membrane valve (11) and pump (12) to the tank (13) in which the treatment liquid is stored. A second line (14) with a second diaphragm valve (15) for blowing compressed air as purge air into the nozzles (6) opens into the line (11).
In Fig. 2 ist eine anschließende, dreistufige Waschstufe gemäß der Patentanmeldung P 3724505.8 dargestellt. Die Rohre werden aus den Düsen gezogen und auf die räumlich schräge Ablaufbahn (2) gelegt. Von dieser fallen sie so in die Spülflüssigkeit, daß ein Ende voreilt und sich die Rohre dadurch vollständig mit Waschflüssigkeit füllen. Von der schrägen Aufnahmefläche (21) rollen die Rohe auf den Auflagerkörper (22), der an beiden Stirnseiten jeweils mit einer separaten steuerbaren Hub- und Senkvorrichtung verbunden ist. Durch leichtes Heben und Senken des Auflagerkörpers (22) mittels der Hub- und Senkvorrichtung werden die Rohre hin- und herbewegt. Dann wird der Auflagerkörper (22) mit den darauf liegenden Rohren in die gestrichelte Stellung hochgefahren. Die Klappe (23) wird durch das Hebelsystem (24) geöffnet, und die Rohre rollen von der Oberfläche des Auflagerkörpers (22) auf die räumlich schräge Ablaufbahn (28). Von dieser fallen sie mit einem Ende voreilend auf den schrägen Auflagerkörper (25). Diese zweite Waschstufe und die anschließende dritte Waschstufe werden so betrieben wie die erste Waschstufe. Nach der letzten Waschstufe fallen die Rohre in die Aufnahmevorrichtung (27).2 shows a subsequent three-stage washing stage according to patent application P 3724505.8. The tubes are pulled out of the nozzles and placed on the spatially inclined runway (2). From this they fall into the rinsing liquid so that one end leads and the pipes are completely filled with washing liquid. The tubes roll from the inclined receiving surface (21) onto the support body (22), which is provided on both end faces a separate controllable lifting and lowering device is connected. The tubes are moved back and forth by slightly lifting and lowering the support body (22) by means of the lifting and lowering device. Then the support body (22) with the tubes lying on it is raised to the dashed position. The flap (23) is opened by the lever system (24) and the tubes roll from the surface of the support body (22) onto the spatially inclined run-off path (28). From this they fall with one end leading onto the inclined support body (25). This second washing stage and the subsequent third washing stage are operated in the same way as the first washing stage. After the last washing stage, the tubes fall into the holding device (27).
Claims (5)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3802428 | 1988-01-28 | ||
| DE3802428A DE3802428A1 (en) | 1988-01-28 | 1988-01-28 | DEVICE FOR TREATING THE INTERNAL SURFACE OF TUBES WITH LIQUID |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0326209A1 EP0326209A1 (en) | 1989-08-02 |
| EP0326209B1 true EP0326209B1 (en) | 1991-09-11 |
Family
ID=6346128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89200107A Expired - Lifetime EP0326209B1 (en) | 1988-01-28 | 1989-01-19 | Apparatus for treating internal tube surfaces with liquids |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4887624A (en) |
| EP (1) | EP0326209B1 (en) |
| DE (2) | DE3802428A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3772093A (en) * | 1992-03-09 | 1993-10-05 | Niagara International Ab | Method and apparatus for cleaning cylindrical components which are transversely rotated in a drum during liquid treatment |
| DE10308731B4 (en) * | 2003-02-28 | 2005-09-01 | Contitech Luftfedersysteme Gmbh | Method and device for galvanic coating of hollow bodies |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2263367A (en) * | 1939-10-20 | 1941-11-18 | Clarence G Peterson | Bottle washer |
| FR2320995A1 (en) * | 1975-08-14 | 1977-03-11 | Beugin Procedes | Chemical treatment of very long tubes - where fluids are fed through tubes and then flow along the outside of each tube |
| DE3005820A1 (en) * | 1980-02-16 | 1981-09-03 | Dr. C. Otto & Comp. Gmbh, 4630 Bochum | Surface treatment plant for rods, bars or tubes - which are each located in pipe through which treatment liq. esp. pickling soln. is pumped |
| SE8004565L (en) * | 1980-06-19 | 1981-12-20 | Fjaellstroem Bengt | PROCEDURE FOR WASHING OR CLEANING AND RINSE OR DRYING OF RUBBER MATERIALS |
| US4422210A (en) * | 1980-11-12 | 1983-12-27 | Goteborgs Maskinkonsult Aktiebolag | Installation for internal cleaning of tubes |
-
1988
- 1988-01-28 DE DE3802428A patent/DE3802428A1/en not_active Withdrawn
-
1989
- 1989-01-17 US US07/297,904 patent/US4887624A/en not_active Expired - Fee Related
- 1989-01-19 DE DE8989200107T patent/DE58900263D1/en not_active Expired - Lifetime
- 1989-01-19 EP EP89200107A patent/EP0326209B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3802428A1 (en) | 1989-08-03 |
| US4887624A (en) | 1989-12-19 |
| EP0326209A1 (en) | 1989-08-02 |
| DE58900263D1 (en) | 1991-10-17 |
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