EP0326209A1 - Appareil de traitement des surfaces intérieures de tubes avec des liquides - Google Patents
Appareil de traitement des surfaces intérieures de tubes avec des liquides Download PDFInfo
- Publication number
- EP0326209A1 EP0326209A1 EP89200107A EP89200107A EP0326209A1 EP 0326209 A1 EP0326209 A1 EP 0326209A1 EP 89200107 A EP89200107 A EP 89200107A EP 89200107 A EP89200107 A EP 89200107A EP 0326209 A1 EP0326209 A1 EP 0326209A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzles
- treatment
- pipes
- treatment container
- tubes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
-
- 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. B. pickling liquid to be treated.
- the treatment should be carried out as evenly as possible on the entire inner surface. After treatment, the treatment liquid must be completely removed.
- 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.
- 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, e.g. B. via switch contacts that are actuated by the cover.
- 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) in the open position is so far from the front of the treatment container (1) that dripping Liquid drips into the back of the treatment tank (1).
- a tube with nozzle holes (17) is arranged on the front of the treatment container (1) as a blowing device (9) for air.
- the blown-in air 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).
- FIG. 2 shows a subsequent, three-stage washing stage according to patent application P 37 24 505.8.
- 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 one end they fall prematurely onto the inclined receiving surface (25) and roll from there onto the support body (26).
- 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).
Landscapes
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3802428A DE3802428A1 (de) | 1988-01-28 | 1988-01-28 | Vorrichtung zur behandlung der inneren oberflaeche von rohren mit fluessigkeit |
DE3802428 | 1988-01-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0326209A1 true EP0326209A1 (fr) | 1989-08-02 |
EP0326209B1 EP0326209B1 (fr) | 1991-09-11 |
Family
ID=6346128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89200107A Expired - Lifetime EP0326209B1 (fr) | 1988-01-28 | 1989-01-19 | Appareil de traitement des surfaces intérieures de tubes avec des liquides |
Country Status (3)
Country | Link |
---|---|
US (1) | US4887624A (fr) |
EP (1) | EP0326209B1 (fr) |
DE (2) | DE3802428A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993017804A1 (fr) * | 1992-03-09 | 1993-09-16 | Niagara International Ab | Procede et appareil de nettoyage de pieces cylindriques tournant de maniere transversale dans un tambour de traitement par liquide |
DE10308731A1 (de) * | 2003-02-28 | 2004-09-16 | Contitech Luftfedersysteme Gmbh | Galvanische Beschichtung von Hohlkörpern |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2320995A1 (fr) * | 1975-08-14 | 1977-03-11 | Beugin Procedes | Procede de traitement chimique de tubes de grande longueur |
DE3005820A1 (de) * | 1980-02-16 | 1981-09-03 | Dr. C. Otto & Comp. Gmbh, 4630 Bochum | Vorrichtung zur oberflaechenbehandlung von stabfoermigem gut mit fluessigkeiten |
EP0043356A1 (fr) * | 1980-06-19 | 1982-01-06 | Bengt Fjällström | Procédé pour nettoyer ou rinçer ou sécher la paroi interne de tubes en acier ou un autre métal on alliage |
US4422210A (en) * | 1980-11-12 | 1983-12-27 | Goteborgs Maskinkonsult Aktiebolag | Installation for internal cleaning of tubes |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2263367A (en) * | 1939-10-20 | 1941-11-18 | Clarence G Peterson | Bottle washer |
-
1988
- 1988-01-28 DE DE3802428A patent/DE3802428A1/de 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/de not_active Expired - Lifetime
- 1989-01-19 EP EP89200107A patent/EP0326209B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2320995A1 (fr) * | 1975-08-14 | 1977-03-11 | Beugin Procedes | Procede de traitement chimique de tubes de grande longueur |
DE3005820A1 (de) * | 1980-02-16 | 1981-09-03 | Dr. C. Otto & Comp. Gmbh, 4630 Bochum | Vorrichtung zur oberflaechenbehandlung von stabfoermigem gut mit fluessigkeiten |
EP0043356A1 (fr) * | 1980-06-19 | 1982-01-06 | Bengt Fjällström | Procédé pour nettoyer ou rinçer ou sécher la paroi interne de tubes en acier ou un autre métal on alliage |
US4422210A (en) * | 1980-11-12 | 1983-12-27 | Goteborgs Maskinkonsult Aktiebolag | Installation for internal cleaning of tubes |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993017804A1 (fr) * | 1992-03-09 | 1993-09-16 | Niagara International Ab | Procede et appareil de nettoyage de pieces cylindriques tournant de maniere transversale dans un tambour de traitement par liquide |
DE10308731A1 (de) * | 2003-02-28 | 2004-09-16 | Contitech Luftfedersysteme Gmbh | Galvanische Beschichtung von Hohlkörpern |
DE10308731B4 (de) * | 2003-02-28 | 2005-09-01 | Contitech Luftfedersysteme Gmbh | Verfahren und Vorrichtung zur galvanischen Beschichtung von Hohlkörpern |
Also Published As
Publication number | Publication date |
---|---|
US4887624A (en) | 1989-12-19 |
DE58900263D1 (de) | 1991-10-17 |
EP0326209B1 (fr) | 1991-09-11 |
DE3802428A1 (de) | 1989-08-03 |
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