EP2173498A2 - Verfahren zur beschichtung der innenwände von rohren und hierfür geeignete vorrichtung - Google Patents
Verfahren zur beschichtung der innenwände von rohren und hierfür geeignete vorrichtungInfo
- Publication number
- EP2173498A2 EP2173498A2 EP08760992A EP08760992A EP2173498A2 EP 2173498 A2 EP2173498 A2 EP 2173498A2 EP 08760992 A EP08760992 A EP 08760992A EP 08760992 A EP08760992 A EP 08760992A EP 2173498 A2 EP2173498 A2 EP 2173498A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- cooling
- tube
- coating
- cooling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/70—Cooling of pipes or pipe systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/164—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing fluid being introduced in the pipe
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/14—Coatings characterised by the materials used by ceramic or vitreous materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
- F16L2101/16—Coating by application of fluent materials, e.g. painting
Definitions
- the invention relates to a method for coating the inner walls of pipes, in which a fluid containing the coating material is introduced into the pipe.
- a fluid containing the coating material is introduced into the pipe.
- the tube is locally brought to a temperature necessary for the formation of the coating with a movable heating device until the layer formation process is concluded lo ⁇ cal.
- the heating device is moved on until the layer to be formed has been completed, ie, the pipe is gradually heated in the entire inner area to be coated.
- the remaining fluid is removed from the tube again.
- the fluid must be suitable as a carrier for the coating material. It can be both liquid and gas ⁇ shaped. It is also possible that the fluid is exclusively formed by the coating material itself, which is deposited by the heat treatment of the tube directly on the inner walls.
- the object of the invention is to provide a method for coating inner walls of pipes, with which the layer formation process can be comparatively well influenced.
- a plurality of heating devices and cooling devices are used simultaneously.
- a film forming process of the tube can vorgenom ⁇ men are at several locations simultaneously, the processing time can be advantageously reduced, for example, in long tubes.
- the Schut. Cooling devices can also be arranged in a cascade, that is, alternately heating and cooling devices on along the pipe wall, so that a coating process is repeated. This is particularly advantageous if only thin coating thicknesses can be generated with the layer formation process, so that it must be repeated several times. This advantageously reduces the duration of the process.
- the rate is chosen taking into account the required ⁇ local heating and cooling duration tube to be moved. This means that the length of the heating or cooling device in the direction of movement must be matched to the speed of movement, that a certain
- the aspect ratio Zvi ⁇ rule heating and cooling device must be such that it corresponds to the ratio of the required time intervals for the Schubehand ⁇ lung or the cooling treatment.
- a continuous movement of the heating or cooling device has the advantage that the local layer structure also takes place continuously and so a seamless coating over the entire tube length can be generated.
- the method is particularly advantageous when precursors of a ceramic are contained in the fluid, which are chemically converted to form the metal-forming metal compound to form the layer.
- Such coatings which have become known under the name C3 Coatings read ⁇ sen to recruit various excellent layer properties, with these properties only at a precise compliance with the required Schichtöns- Generate parameters. Therefore, the use of an additional cooling device to the heater in the production of these types of coatings is particularly advantageous.
- precursors for the ceramic which are often referred to as precursor, include the substances that make up the ceramic material of the trainee layer and further contain components that, in the context of the chemical conversion occurring during the heat treatment of the coating substance, crosslink lead ceramic material. Examples of ceramic precursors can be found in the documents listed in the prior art and must be selected depending on the application.
- the ceramic to be formed consists of an oxide and / or a nitride and / or an oxynitride.
- the formation of oxides, nitrides or oxi- nitrides can advantageously produce particularly stable layers.
- the precursors of such ceramics need the elements N or O for the formation of the oxide, nitridic or oxinitridischen ceramic provide.
- the invention relates to a device suitable for coating the tubes under heat treatment.
- Such a device is described in the aforementioned US 2005/0255240 Al.
- This device consists of a heating sleeve whose inner diameter is greater than the outer diameter of the pipe to be coated. Therefore, this can be performed along the pipe, whereby a heat ⁇ treatment is possible.
- the heat takes place out of the Au ⁇ .seite of the pipe to the inside, so that the heat is brought ⁇ influences the film formation process on the inside of the tube.
- the object of the invention is to provide a device for supporting a film forming process on the inner ⁇ side of pipes, which allows a relatively accurate management of the required temperature profile.
- This object is achieved by providing a combined heating and cooling device for a pipe having at least one heating area and at least one cooling area, wherein these areas are arranged one behind the other in the direction of the longitudinal extent of the tube.
- Both the Schube ⁇ rich and the cooling region are according to the invention in such a manner adapted to the cross section of the tube, that the heating and the cooling in the area of influence of the heating and the cooling zone on the periphery of the tube are uniform. This is of particular importance when the pipes to be coated do not have a circular cross-section. For example, if the cross section is rectangular, so must the heating area and the cooling area follow this contour at least substantially.
- An embodiment of this invention provides that in each case a cooling area is arranged at the ends of the heating and cooling device. In other words, compared to the number of heaters, one more cooling device is provided. This has the advantage that the heating and cooling device can be guided along the pipe wall in both possible directions. In both directions, first the heating and then the cooling has to take place, so that the cooling area has to be behind the heating area when viewed in the direction of movement. This is advantageous in the embodiment addressed.
- the heating and cooling device may be formed as a sleeve surrounding the tube.
- the heating anddevorrich- tung is designed as a probe for the interior of the tube.
- the collar-shaped heating and cooling device is be ⁇ preferably represent pipes with a small cross section, while the special denförmige heating and cooling device may preferably be used for pipes with a sufficiently large cross-section.
- the soniform heating and cooling device also has the advantage that it can also be used in already installed pipe systems, since it can be moved unhindered inside the pipe even over longer sections of the pipeline. A cuff could namely because of Pipe suspensions of the piping system can not be moved unhindered.
- a probe-shaped heating and cooling device can be developed advantageously by a supply device for the fluid is integrated in the probe, with which a fluid flow can be directed to the inner wall of the tube.
- a supply device for the fluid is integrated in the probe, with which a fluid flow can be directed to the inner wall of the tube.
- FIG. 1 schematically shows an exemplary embodiment of the method according to the invention with an exemplary embodiment of a sleeve-type heating and cooling device
- Figure 2 shows another embodiment of the erfindungsge ⁇ MAESSEN method using an execution ⁇ example of the probe-shaped heating and cooling device according to the invention
- FIG. 3 to 5 different embodiments of he ⁇ inventive heating and cooling device According to Figure 1, a straight tube 11 is Darge ⁇ represents, which is received for the purpose of coating the inner walls, not shown in a coating device. For this purpose, there is a mounted in a stationary bearing 12 jig 13, which can be offset by means of a motor drive 14 in rotary motion. In this clamping device 13, the tube 11 is inserted with its one end.
- the other end of the tube is located in a container 15 for a coating material-containing liquid 16. This can be fed by means of a feed line 17 using a pump 18 in the jig and then passes through the pipe to be coated back into the container 15th
- a heating and cooling device in the form of a collar 19 is provided, which surrounds the tube 11 locally.
- the sleeve 19 along the indicated double arrow 20 are guided along the pipe, wherein in the heating and cooling sleeve each have a heating area 21 and seen in the direction of travel to this following cooling area 22 are used , Since a cooling region 22 is provided at both ends of the sleeve, the sleeve can be operated in both directions of the double arrow 20, whereby always first a local heating and then a local cooling can take place.
- the heating and cooling device it would also be possible, as indicated by dot-dash lines, to use a single heating device 23 and cooling device 24. These are also constructed cuff-like in the manner already described, whereby they can be pushed independently of one another onto the tube. It is also possible to use any number of individual heating devices 23 and cooling devices 24, similar to a modular principle.
- FIG. 2 schematically shows a part of a pipeline system with the pipe 11 as a section.
- a heating and cooling device 19 is inserted, which consists of two series-connected probes 25.
- These probes 25 are connected to a supply line 26 and have rollers 27, with which they can be performed with a constant distance to the inner walls of the tube.
- These rollers are shown sche ⁇ matically, with at a round tube cross-section at the periphery of the probes at least three rollers at an angle of 120 ° to each other are necessary.
- four rollers are provided on the circumference at an angle of 90 ° to each other.
- the probes 25 have, analogously to the manner described in FIG. 1, a heating region 21 in each case in the middle and two cooling regions 22 at the ends.
- the supply line 26 By means of the supply line 26, the probes can be pushed into the line system and then pulled out again.
- the supply pipe 26 must have sufficient rigidity to ⁇ , which must be performed in addition sufficiently flexible, when curvatures are provided in the piping system.
- the probes are supplied with an energy required for heating or cooling.
- nozzle openings not shown in detail are provided in the probes, through which a liquid coating material can be nebulized.
- the spray 28 is directed to the inner wall to be coated 29 of the tube 11, being provided for supplying the coating material in theéesslei ⁇ tung a liquid line.
- FIG. 3 shows the possible structure of a probe schematically, the rollers 27 are not shown.
- the heating region 21 and the cooling areas 22 are for example made of copper to provide a good heat conduction and heat capacity to be granted slightest ⁇ th. Between the heating section 21 and the cooling areas 22 Peltier elements 30 are arranged, on the one hand for heating the heating region 21 and on the other hand for cooling the cooling regions 22 serve.
- the supply line 26 can be seen, which opens into a bore 31, which allows the supply of the Be MrsungsfIu- ides to the nozzle 32.
- a sleeve-like heating anddevor ⁇ direction is shown. This has in the cooling areas 22 cooling channels 33, which can be supplied by means of an indicated line ⁇ system 34 with a coolant.
- the heating regions 21 are shipping ⁇ hen with electric heating wires 35th Overall, two heating areas 21 and threedeberei ⁇ che 22 are provided.
- FIG. 5 shows a further exemplary embodiment of a soniform heating and cooling device.
- This has a UV lamp 36, with the aid of UV radiation as heating ⁇ energy in a broader sense, a layer formation process can be provided.
- the probe cooling channels 33 are further provided.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007030591A DE102007030591B3 (de) | 2007-06-27 | 2007-06-27 | Verfahren zur Beschichtung der Innenwände von Rohren und Vorrichtung zum Heizen und Kühlen eines Rohres |
PCT/EP2008/057463 WO2009000675A2 (de) | 2007-06-27 | 2008-06-13 | Verfahren zur beschichtung der innenwände von rohren und hierfür geeignete vorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2173498A2 true EP2173498A2 (de) | 2010-04-14 |
Family
ID=39646339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08760992A Withdrawn EP2173498A2 (de) | 2007-06-27 | 2008-06-13 | Verfahren zur beschichtung der innenwände von rohren und hierfür geeignete vorrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US8561569B2 (de) |
EP (1) | EP2173498A2 (de) |
DE (1) | DE102007030591B3 (de) |
WO (1) | WO2009000675A2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9004003B2 (en) * | 2009-06-25 | 2015-04-14 | Xerox Corporation | Apparatus for applying an acoustic dampening coating to the interior of a xerographic drum |
DE102012002344A1 (de) * | 2012-02-08 | 2013-08-08 | Constantin Kinias | Verfahren zum Management der Last eines elektrischen Netzes |
US10277094B2 (en) * | 2015-09-16 | 2019-04-30 | Saudi Arabian Oil Company | Self-powered pipeline hydrate prevention system |
JP6721131B2 (ja) * | 2017-09-07 | 2020-07-08 | 株式会社Ihi | 筒体塗装装置 |
EP3690299B1 (de) * | 2019-02-04 | 2022-11-16 | Picote Solutions Inc. | Vorrichtung zum härten von beschichtungsmitteln |
KR102663937B1 (ko) * | 2022-12-02 | 2024-05-14 | 동남특수강(주) | 고성능 파이프 세라믹 코팅 장치 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3376151A (en) * | 1963-04-11 | 1968-04-02 | Okamoto Tatsumi | Method of forming resin lining inside a metal pipe |
US20020041928A1 (en) | 1997-03-26 | 2002-04-11 | Leonid V. Budaragin | Method for coating substrate with metal oxide coating |
DE60109701T2 (de) * | 2000-10-10 | 2006-03-09 | Kao Corp. | Verfahren zur Herstellung von Verbundpartikeln |
US20020086111A1 (en) | 2001-01-03 | 2002-07-04 | Byun Jeong Soo | Method of forming refractory metal nitride layers using chemisorption techniques |
ATE326558T1 (de) | 2001-08-30 | 2006-06-15 | Aktina Ltd | Verfahren zur herstellung poröser keramik-metall verbundwerkstoffe und dadurch erhaltene verbundwerkstoffe |
ATE269913T1 (de) | 2002-07-31 | 2004-07-15 | Itn Nanovation Gmbh | Keramische beschichtung für verbrennungskessel |
JP2005324108A (ja) * | 2004-05-13 | 2005-11-24 | Honda Motor Co Ltd | 細管内壁の樹脂被覆方法 |
US7717167B2 (en) * | 2004-12-03 | 2010-05-18 | Halliburton Energy Services, Inc. | Switchable power allocation in a downhole operation |
-
2007
- 2007-06-27 DE DE102007030591A patent/DE102007030591B3/de not_active Expired - Fee Related
-
2008
- 2008-06-13 EP EP08760992A patent/EP2173498A2/de not_active Withdrawn
- 2008-06-13 US US12/666,847 patent/US8561569B2/en not_active Expired - Fee Related
- 2008-06-13 WO PCT/EP2008/057463 patent/WO2009000675A2/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2009000675A2 * |
Also Published As
Publication number | Publication date |
---|---|
DE102007030591B3 (de) | 2008-08-28 |
WO2009000675A2 (de) | 2008-12-31 |
US8561569B2 (en) | 2013-10-22 |
WO2009000675A3 (de) | 2009-04-02 |
US20100189895A1 (en) | 2010-07-29 |
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Inventor name: ARNDT, FRANK Inventor name: WINKLER, GABRIELE Inventor name: KRUEGER, URSUS Inventor name: JENSEN, JENS DAHL |
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