DE4140378A1 - Pipe cleaning, testing and drying system used during mfr and maintenance - pumps cleaning liquids through system whilst applying ultrasound via contact liquid - Google Patents
Pipe cleaning, testing and drying system used during mfr and maintenance - pumps cleaning liquids through system whilst applying ultrasound via contact liquidInfo
- Publication number
- DE4140378A1 DE4140378A1 DE4140378A DE4140378A DE4140378A1 DE 4140378 A1 DE4140378 A1 DE 4140378A1 DE 4140378 A DE4140378 A DE 4140378A DE 4140378 A DE4140378 A DE 4140378A DE 4140378 A1 DE4140378 A1 DE 4140378A1
- Authority
- DE
- Germany
- Prior art keywords
- cleaning
- pipe
- testing
- contact liquid
- liquids
- 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- Withdrawn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
- 238000004140 cleaning Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 title claims abstract description 20
- 238000001035 drying Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 238000002604 ultrasonography Methods 0.000 title claims abstract description 7
- 238000012423 maintenance Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 230000002226 simultaneous effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003599 detergent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0323—Arrangements specially designed for simultaneous and parallel cleaning of a plurality of conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
-
- 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
- F28G7/00—Cleaning by vibration or pressure waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/005—Use of ultrasonics or cavitation, e.g. as primary or secondary action
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Verfahren und Anordnung von Funktionselementen für Rohr-Reinigungs-, Prüf- und Trocknungsanlagen.Method and arrangement of functional elements for pipe cleaning, Testing and drying systems.
Die Erfindung des Verfahrens und der Anordnung von Funktionselementen für Rohr-Reinigungs-, Prüf- und Trocknungsanlagen bezieht sich artgemäß auf das Zusammenwirken von Verfahrensschritten und die Anordnung von Funktionselementen von Reinigungs-, Spül-, Dichtigkeitsprüf- und Trockenprozessen bei Herstellung und Wartung von Rohrgebilden.The invention of the method and the arrangement of Functional elements for pipe cleaning, testing and Drying systems refer to the interaction of procedural steps and the arrangement of functional elements cleaning, rinsing, leak testing and drying processes in the manufacture and maintenance of tubular structures.
Bekannt sind eine ganze Reihe von Verfahren und Funktionselementanordnungen für das Reinigen, Prüfen und Trocknen des Rohrinneren von Rohrgebilden. Bei Wärmetauschern sind solcherart Reinigungsprozesse von großer Bedeutung.A whole series of methods and functional element arrangements are known for cleaning, checking and drying the inside of the pipe of tubular structures. Such are the case with heat exchangers Cleaning processes of great importance.
Den allgemein anerkannte Stand der Technik zeigt die Reinigung von Rohrgebilden im durch Ultraschall gestützen Tauchverfahren.Cleaning shows the generally recognized state of the art of tubular structures in the ultrasound-supported immersion process.
Bekannt ist die DE 36 30 386, wobei hier Kühl- und Reinigungsmittel mit hoher abrasiver Kraft durch das Rohrgebilde gepreßt werden. Da jedoch oft eine Entfernung des Reinigungsmittels und eine Trocknung des Rohrinneren sowie eine Dichtigkeitsprüfung erforderlich ist, sind mehrere Verfahrensschritte anzuschließen, die die Aufwendungen erhöhen.DE 36 30 386 is known, with coolants and cleaning agents can be pressed through the pipe structure with high abrasive force. However, since often a detergent removal and a Drying of the inside of the pipe as well as a leak test several procedural steps are required, that increase the expenses.
Noch immer fehlen kombinierte Prozesse, die alle technischen Reserven dieser Verfahren sinnvoll koppeln. Die neue technische Lehre besteht darin, daß die Verfahrensschritte nicht mehr im Tauchverfahren bei offenen Rohrgebilden ablaufen, sondern daß die Reinigungs-, Spül-, Dichtigkeitsprüf- und Trockenwirkungen im geschlossenen Rohr ablaufen und dabei folgende Aufgaben gelöst werden:Combined processes, all technical, are still missing Coupling reserves of these procedures sensibly. The new technical teaching is that the Process steps no longer in the immersion process with open ones Pipe structures run off, but that the cleaning, rinsing, Leak test and drying effects in a closed pipe run and the following tasks are solved:
- 1. Reinigungs- und Spülmittel werden an die hauptsächlich zu reinigenden Innenflächen geführt und gestatten damit eine Garantie je nach Anzahl der Spülfstufen bis unter 5 mg/m2 Rohrinnenfläche.1. Cleaning agents and detergents are mainly used in the cleaning inner surfaces and thus allow one Guarantee depending on the number of rinse levels below 5 mg / m2 Inner pipe surface.
- 2. Ein Kontaktmedium aus gekühltem Wasser gestattet den Einsatz von vorzugsweise verwendeten magnetostriktiven Schwingern zur zur Unterstützung der Reinigungswirkung mittels Ultraschall. 2. A contact medium made of chilled water permits use of preferably used magnetostrictive vibrators for to support the cleaning effect using ultrasound.
- 3. Das Kontaktmedium macht durch Blasenbildung an den Leckstellen eine gleichzeitige Leckageprüfung möglich.3. The contact medium blisters at the leaks a simultaneous leakage test possible.
- 4. Durch Einbringen von Stickstoff kann noch im Prozeß das Rohrinnere getrocknet werden und eine Schutzgasatmosphäre aufgebaut werden.4. By introducing nitrogen can still be in the process the inside of the pipe is dried and a protective gas atmosphere being constructed.
Erfindungsgemäß wird das gelöst, indem aus einer Spülmittelbatterie mit vorzugsweise 5 Tanks für wäßrige Spülmittel über zugehörige Pumpen Reinigungsmittel und Spülmittel durch ein computergesteuertes Ventil-Spülsystem nacheinander durch das Innere des Rohrgebildes geleitet werden, unterbrochen durch das Leerblasen mit Preßluft.According to the invention this is solved by using a detergent battery with preferably 5 tanks for aqueous washing-up liquid associated pumps detergent and detergent through a computer-controlled valve flushing system one after the other through the Inside the pipe structure are interrupted by the Empty bubbles with compressed air.
Damit gelangt nur wenig übergeschlepptes vorhergehendes Spülmittel in die nächste Stufe.This means that only a little is carried over from the previous one Detergent to the next level.
Während dieses Prozesses ist das Rohrgebilde in einem Tank mit vorzugsweise Kaltwasser untergetaucht. Im Rohrgebilde sind nach Druckbelastung mit einem Gas oder nach Druckbelastung mit indikatorführenden Medien die Leckstellen erkennbar.During this process, the pipe structure is in a tank preferably submerged with cold water. In the pipe structure are after pressure with a gas or after pressure with indicator-bearing media the leaks are recognizable.
Die Trocknung des Rohrinneren erfolgt in 2 Stufen, einmal mit vorgewärmter Preßluft und danach mit Stickstoff, der auch als Inertgas das Rohrinnere vor Korrosion schützt. Durch diese Anordnung von Verfahrensschritten und Funktionselementen ergibt sich der Vorteil einer Verkürzung der technologischen Verfahrenszeiten und der gezielten, mechanisch mehrfach gestützten inneren Rohrreinigung mit hohem Effekt. Weiterhin wird eine Dichtigkeitsprüfung ohne Umspannen möglich. Die Erfindung soll an einem Ausführungsbeispiel erläutert werden.The inside of the pipe is dried in 2 stages, once with preheated compressed air and then with nitrogen, which is also called Inert gas protects the inside of the pipe from corrosion. Through this arrangement of process steps and Functional elements have the advantage of shortening the technological process times and the targeted, mechanical multi-supported inner pipe cleaning with high effect. Furthermore, a leak test without reclamping is possible. The invention will be explained using an exemplary embodiment will.
Aus einem wäßrigen Reinigungsbad 9 wird über die Pumpen 3 und Ventile 11 heiße Reinigungslösung durch das Rohrgebilde 1 im Kreislauf über eine Zeit "t" gepumpt. Dann wird über die Ventile 11 umgesteuert und die Leitung mit dem Rohrgebilde 1 leergeblasen mit Luft. Dieser Vorgang wird so lange wiederholt, bis alle Reinigungsbäder 12, 13, 14, 15 eine Zeit "t" auf die gleiche Art durchlaufen haben. Gleichzeitig wird Ultraschall über die Kontaktflüssigkeit 4 an das zu reinigende Rohrgebilde 1 gebracht. Zur Vermeidung der Beschädigung der magnetostriktiven Schwinger wird die Kontaktflüssigkeit 4 mit einem Wärmetauscher 5 gekühhlt. From an aqueous cleaning bath 9 , hot cleaning solution is pumped through the tubular structure 1 via the pumps 3 and valves 11 in a circuit for a time "t". Then it is reversed via the valves 11 and the line with the tubular structure 1 is blown empty with air. This process is repeated until all cleaning baths 12, 13, 14, 15 have run through a time "t" in the same way. At the same time, ultrasound is brought to the pipe structure 1 to be cleaned via the contact liquid 4 . To avoid damaging the magnetostrictive transducers, the contact liquid 4 is cooled with a heat exchanger 5 .
Danach wird vorgewärmte Preßluft zur Trocknung des Rohrinneren und anschließend Stickstoff zur Endtrocknung bei abgesperrten Ventilen 11 durchgeblasen. Das Rohrgebilde wird nach der Trocknung abgesperrt und mit Stickstoff druckbeaufschlagt, um so Leckagen durch Gasblasen in der Kontaktflüssigkeit 4 gestützt durch Lampen 10 besser erkennen zu können.Thereafter, preheated compressed air is blown through to dry the interior of the tube and then nitrogen for final drying with the valves 11 shut off. After drying, the tubular structure is shut off and pressurized with nitrogen so that leaks due to gas bubbles in the contact liquid 4 can be better recognized by lamps 10 .
Die Ventilfunktionen werden durch einen Computer elektronisch gesteuert.The valve functions are electronically controlled by a computer controlled.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4140378A DE4140378A1 (en) | 1991-12-09 | 1991-12-09 | Pipe cleaning, testing and drying system used during mfr and maintenance - pumps cleaning liquids through system whilst applying ultrasound via contact liquid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4140378A DE4140378A1 (en) | 1991-12-09 | 1991-12-09 | Pipe cleaning, testing and drying system used during mfr and maintenance - pumps cleaning liquids through system whilst applying ultrasound via contact liquid |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4140378A1 true DE4140378A1 (en) | 1993-08-19 |
Family
ID=6446507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4140378A Withdrawn DE4140378A1 (en) | 1991-12-09 | 1991-12-09 | Pipe cleaning, testing and drying system used during mfr and maintenance - pumps cleaning liquids through system whilst applying ultrasound via contact liquid |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4140378A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996033819A1 (en) * | 1995-04-24 | 1996-10-31 | Lawrence Ralph Dawson | Method and apparatus for cleaning hollow elements |
CN102435098A (en) * | 2011-10-24 | 2012-05-02 | 王建成 | On-line ultrasound rotational flow descaling device for condenser |
CN105521973A (en) * | 2015-12-27 | 2016-04-27 | 西南技术物理研究所 | Cleaning method for laser device cooling box and detection method for detecting cleanness of cleaning method |
CN108927387A (en) * | 2018-07-25 | 2018-12-04 | 中国冶集团有限公司 | The tubing of automatic control vibrates rinse-system |
-
1991
- 1991-12-09 DE DE4140378A patent/DE4140378A1/en not_active Withdrawn
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996033819A1 (en) * | 1995-04-24 | 1996-10-31 | Lawrence Ralph Dawson | Method and apparatus for cleaning hollow elements |
GB2318166A (en) * | 1995-04-24 | 1998-04-15 | Lawrence Ralph Dawson | Method and apparatus for cleaning hollow elements |
GB2318166B (en) * | 1995-04-24 | 1998-09-09 | Lawrence Ralph Dawson | Method and apparatus for cleaning hollow elements |
US5985038A (en) * | 1995-04-24 | 1999-11-16 | Dawson; Lawrence Ralph | Method and apparatus for cleaning hollow elements |
CN102435098A (en) * | 2011-10-24 | 2012-05-02 | 王建成 | On-line ultrasound rotational flow descaling device for condenser |
CN102435098B (en) * | 2011-10-24 | 2014-07-23 | 王建成 | On-line ultrasound rotational flow descaling device for condenser |
CN105521973A (en) * | 2015-12-27 | 2016-04-27 | 西南技术物理研究所 | Cleaning method for laser device cooling box and detection method for detecting cleanness of cleaning method |
CN105521973B (en) * | 2015-12-27 | 2018-08-21 | 西南技术物理研究所 | The cleaning method of laser cooler bin and its detection method of cleanliness factor |
CN108927387A (en) * | 2018-07-25 | 2018-12-04 | 中国冶集团有限公司 | The tubing of automatic control vibrates rinse-system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ON | Later submitted papers | ||
8122 | Nonbinding interest in granting licences declared | ||
8139 | Disposal/non-payment of the annual fee |