EP1320107A1 - Decontamination installation for pipes - Google Patents
Decontamination installation for pipes Download PDFInfo
- Publication number
- EP1320107A1 EP1320107A1 EP02021589A EP02021589A EP1320107A1 EP 1320107 A1 EP1320107 A1 EP 1320107A1 EP 02021589 A EP02021589 A EP 02021589A EP 02021589 A EP02021589 A EP 02021589A EP 1320107 A1 EP1320107 A1 EP 1320107A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipes
- pipe
- housing
- unit
- decontamination
- 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- Withdrawn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
- 238000005202 decontamination Methods 0.000 title claims abstract description 12
- 230000003588 decontaminative effect Effects 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title abstract 2
- 239000000428 dust Substances 0.000 claims description 3
- 239000000941 radioactive substance Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000032258 transport Effects 0.000 abstract 1
- 238000005422 blasting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000002901 radioactive waste Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- B08B9/023—Cleaning the external surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
Definitions
- the invention relates to a decontamination system for pipes, accordingly the preamble of the first claim.
- the invention can be used wherever radioactively contaminated from the outside Pipes are in place and need to be cleaned, taking the contamination to the extent that the pipes reach the lower release limit below.
- Contamination in the present case is adhering to the outside of the pipes radioactive particles that cannot be removed by simply wiping them off to let. Decontamination is carried out to determine the amount of radioactive waste to be disposed of Reduce waste since you can decontaminate the entire Pipelines would have to be disposed of.
- the previously used Processes include, for example, blasting in a blasting machine which the pipes are first divided into pieces approx to be blasted.
- Another method is decontamination using Water with the addition of chemical substances to remove the contamination from the pipe surface and binding of the particles to the additives.
- disadvantage Both processes involve the high level of radioactive secondary waste and the necessary post-treatment of this waste to minimize waste, because the contaminated particles are in the blasting material after cleaning or in the water and must be removed from it.
- Such Processes are complex and expensive.
- This task is accomplished by a device according to the features of the first Claim resolved.
- the device according to the invention provides a decontamination system for Pipes, which consist of an encapsulation against the radioactive substances and a Device for processing the surface of the contaminated pipe, which is characterized by the fact that a mechanical processing unit, in which a brushing and / or grinding unit with a transport and pressure unit on the entire surface of the contaminated pipe acts and cleans it in a closed housing, on both sides this closed housing arranged a transport device for the tube and leads a dust extraction device into the housing, in which there is also an opening for supply air.
- the whole complex is surrounded by an enclosure.
- the feeding transport device can for example be a rubber band be carried out on the contaminated pipe in the closed housing is promoted.
- a roller conveyor has proven to be a favorable laxative transport device, with which the cleaned pipe is transported out of the closed housing becomes.
- a pipe can be arranged as a suction device in the closed housing be in which the dust to be extracted to a pre-separator and is then transported to a filter system.
- the device is based on an embodiment and a Figure explained in more detail.
- the figure shows the decontamination system according to the invention, with condenser tubes 3 transported into the housing 5 and be placed on the input table 2 with the transport device.
- the input table 2 is a closed housing 10 downstream in one Transport device for the condenser tube leads. Furthermore, one Opening 11 for supply air available.
- In the closed housing it will Condenser tube 3 via a pressure device 4 and a brush unit 1 passed, which processed the entire surface of the condenser tube 3 and the contaminated particles removed.
- the sanded or brushed Particles are then removed through the pipe 9 together with the exhaust air flow and separated in a pre-separator 7, after which the exhaust air in a Filter system 8 is cleaned.
- the decontaminated condenser tube 3 leaves the closed housing 10 via the roller conveyor 6 of the delivery table.
- the device has the advantage that the pipes can be processed without any complex pretreatment (e.g. pre-disassembly for decontamination in a trough blasting system) can be decontaminated and that the amount of accrued radioactive waste is minimized.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Cleaning In General (AREA)
Abstract
Description
Die Erfindung betrifft eine Dekontaminationsanlage für Rohre, entsprechend dem Oberbegriff des ersten Patentanspruches.The invention relates to a decontamination system for pipes, accordingly the preamble of the first claim.
Die Erfindung ist überall dort anwendbar, wo von außen radioaktiv kontaminierte Rohre vorhanden sind und gereinigt werden müssen, wobei die Verunreinigung soweit entfernt wird, dass die Rohre den unteren Freigabegrenzwert unterschreiten.The invention can be used wherever radioactively contaminated from the outside Pipes are in place and need to be cleaned, taking the contamination to the extent that the pipes reach the lower release limit below.
Kontamination im vorliegenden Fall sind an der Außenseite der Rohre anhaftende radioaktive Partikel, die sich nicht durch einfaches Abwischen entfernen lassen. Die Dekontamination erfolgt, um die Menge an endzulagerntem radioaktiven Abfall zu verringern, da man ohne Dekontamination die gesamten Rohrleitungen der Endlagerung zuführen müsste. Die bisher angewandten Verfahren sind, zum Beispiel das Muldenstrahlen in einer Strahlanlage, bei der die Rohre zunächst in ca. 300 mm lange Stücke geteilt werden, um dann gestrahlt zu werden. Ein anderes Verfahren ist die Dekontamination mittels Wasser unter Zusatz von chemischen Stoffen zur Ablösung der Kontamination von der Rohroberfläche und Bindung der Partikel an die Zusätze. Nachteil beider Verfahren ist der hohe Anfall von radioaktivem Sekundärabfall und die notwendigen Nachbehandlungen dieses Abfalls zur Abfallminimierung, denn die kontaminierten Partikel befinden sich nach der Reinigung im Strahlgut bzw. im Wasser und müssen aus diesem wieder entfernt werden. Derartige Verfahren sind aufwendig und teuer.Contamination in the present case is adhering to the outside of the pipes radioactive particles that cannot be removed by simply wiping them off to let. Decontamination is carried out to determine the amount of radioactive waste to be disposed of Reduce waste since you can decontaminate the entire Pipelines would have to be disposed of. The previously used Processes include, for example, blasting in a blasting machine which the pipes are first divided into pieces approx to be blasted. Another method is decontamination using Water with the addition of chemical substances to remove the contamination from the pipe surface and binding of the particles to the additives. disadvantage Both processes involve the high level of radioactive secondary waste and the necessary post-treatment of this waste to minimize waste, because the contaminated particles are in the blasting material after cleaning or in the water and must be removed from it. such Processes are complex and expensive.
Daher ist es Aufgabe der Erfindung Möglichkeiten zu finden, außen kontaminierte Rohre so zu reinigen, dass die Verunreinigungsprodukte nach dem Reinigungsvorgang nicht aus einem Medium wie Wasser oder Strahlgut entfernt werden müssen.It is therefore an object of the invention to find ways of contaminating the outside Clean pipes so that the contaminant products after the Cleaning process not removed from a medium such as water or blasting media Need to become.
Diese Aufgabe wird durch eine Vorrichtung nach den Merkmalen des ersten Patentanspruches gelöst. This task is accomplished by a device according to the features of the first Claim resolved.
Unteransprüche geben vorteilhafte Ausgestaltungen der Erfindung wieder.Sub-claims reflect advantageous embodiments of the invention.
Die erfindungsgemäße Vorrichtung sieht eine Dekontaminationsanlage für Rohre vor, welche aus einer Kapslung gegen die radioaktiven Stoffe und eine Vorrichtung zum Bearbeiten der Oberfläche des kontaminierten Rohres besteht, welche sich dadurch auszeichnet, dass über eine mechanische Bearbeitungseinheit, bei der eine Bürst- und/oder Schleifeinheit mit einer Transport- und Andrückeinheit auf die gesamte Fläche des kontaminierten Rohres wirkt und dieses in einem geschlossenen Gehäuse reinigt, wobei beidseitig dieses geschlossenen Gehäuses eine Transportvorrichtung für das Rohr angeordnet ist und eine Staubabsaugeinrichtung in das Gehäuse hineinführt, wobei in diesem auch eine Öffnung für Zuluft vorhanden ist. Die Gesamte Anlage ist von einer Einhausung umgeben.The device according to the invention provides a decontamination system for Pipes, which consist of an encapsulation against the radioactive substances and a Device for processing the surface of the contaminated pipe, which is characterized by the fact that a mechanical processing unit, in which a brushing and / or grinding unit with a transport and pressure unit on the entire surface of the contaminated pipe acts and cleans it in a closed housing, on both sides this closed housing arranged a transport device for the tube and leads a dust extraction device into the housing, in which there is also an opening for supply air. The whole complex is surrounded by an enclosure.
Die zuführende Transporteinrichtung kann beispielsweise als Gummiband ausgeführt sein, auf der das kontaminierte Rohr in das geschlossene Gehäuse hineingefördert wird.The feeding transport device can for example be a rubber band be carried out on the contaminated pipe in the closed housing is promoted.
Als abführende Transporteinrichtung hat sich eine Rollenbahn als günstig erwiesen, mit der das gereinigte Rohr aus dem geschlossenen Gehäuse transportiert wird.A roller conveyor has proven to be a favorable laxative transport device, with which the cleaned pipe is transported out of the closed housing becomes.
Als Absaugeinrichtung in das geschlossene Gehäuse kann ein Rohr angeordnet sein, in welchem der abzusaugende Staub zu einem Vorabscheider und danach in eine Filteranlage transportiert wird.A pipe can be arranged as a suction device in the closed housing be in which the dust to be extracted to a pre-separator and is then transported to a filter system.
Im Folgenden wird die Vorrichtung an einem Ausführungsbeispiel und einer
Figur näher erläutert. Die Figur zeigt die erfindungsgemäße Dekontaminationsanlage,
wobei Kondensatorrohre 3 in die Einhausung 5 transportiert und
auf dem Eingabetisch 2 mit Transporteinrichtung abgelegt werden. Dem Eingabetisch
2 ist ein geschlossenes Gehäuse 10 nachgeordnet in das eine
Transporteinrichtung für das Kondensatorrohr hineinführt. Weiterhin ist eine
Öffnung 11 für Zuluft vorhanden. In dem geschlossenen Gehäuse wird das
Kondensatorrohr 3 über eine Andruckeinrichtung 4 und eine Bürsteneinheit 1
geleitet, die die gesamte Oberfläche des Kondensatorrohres 3 bearbeitet und
die kontaminierten Partikel entfernt. Die abgeschliffenen oder abgebürsteten
Partikel werden dann zusammen mit dem Abluftstrom durch das Rohr 9 entfernt
und in einem Vorabscheider 7 abgeschieden, wonach die Abluft in einer
Filteranlage 8 gereinigt wird. Das dekontaminierte Kondensatorrohr 3 verlässt
über die Rollenbahn 6 des Ausgabetisches das geschlossene Gehäuse 10.
Die Vorrichtung hat den Vorteil, dass die Rohre ohne eine aufwendige Vorbehandlung
(z. B. Vorzerlegung für die Dekontamination in einer Muldenstrahlanlage)
dekontaminiert werden können und dass die Menge des anfallenden
radioaktiven Abfalls minimiert wird. In the following, the device is based on an embodiment and a
Figure explained in more detail. The figure shows the decontamination system according to the invention,
with
- 11
- Bürsten- und/oder SchleifeinheitBrush and / or grinding unit
- 22
- Eingabetisch mit TransporteinrichtungEntry table with transport device
- 33
- Kondensatorrohrcondenser tube
- 44
- Andrückeinheitpressure unit
- 55
- Einhausunghousing
- 66
- Ausgabetisch mit RollenbahnDelivery table with roller conveyor
- 77
- Vorabscheiderpre-separator
- 88th
- Filteranlagefilter system
- 99
- Absaugeinrichtung, Rohr für AbluftSuction device, pipe for exhaust air
- 1010
- Geschlossenes GehäuseClosed housing
- 1111
- Öffnung für ZuluftOpening for supply air
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10148999 | 2001-10-05 | ||
| DE10148999A DE10148999A1 (en) | 2001-10-05 | 2001-10-05 | Decontamination installation, for pipes in nuclear plant, comprises housing and mechanical unit with brush and grinding unit, for cleaning pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1320107A1 true EP1320107A1 (en) | 2003-06-18 |
Family
ID=7701393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02021589A Withdrawn EP1320107A1 (en) | 2001-10-05 | 2002-09-27 | Decontamination installation for pipes |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1320107A1 (en) |
| DE (1) | DE10148999A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006001937A1 (en) * | 2004-06-11 | 2006-01-05 | Terog Manufacturing Co. | Bar stock degreasing machine |
| CN108704905A (en) * | 2018-05-23 | 2018-10-26 | 栾友祥 | A kind of automatic cleaning drying device of brake oil pipe of automobile |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254014B (en) * | 2020-10-29 | 2022-05-20 | 南通理工学院 | Underwater pipeline detection robot with cleaning function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2146831A (en) * | 1983-09-13 | 1985-04-24 | Nico Industriereinigung Ag | Decontamination of radioactively soiled metal sections |
| DE3603708A1 (en) * | 1986-02-06 | 1987-08-13 | Nico Industriereinigung Ag | Method and device for decontaminating superficially radioactive surfaces |
| US5172450A (en) * | 1990-10-01 | 1992-12-22 | Conoco Inc. | Shaft cleaning and decontamination apparatus |
-
2001
- 2001-10-05 DE DE10148999A patent/DE10148999A1/en not_active Withdrawn
-
2002
- 2002-09-27 EP EP02021589A patent/EP1320107A1/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2146831A (en) * | 1983-09-13 | 1985-04-24 | Nico Industriereinigung Ag | Decontamination of radioactively soiled metal sections |
| DE3603708A1 (en) * | 1986-02-06 | 1987-08-13 | Nico Industriereinigung Ag | Method and device for decontaminating superficially radioactive surfaces |
| US5172450A (en) * | 1990-10-01 | 1992-12-22 | Conoco Inc. | Shaft cleaning and decontamination apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006001937A1 (en) * | 2004-06-11 | 2006-01-05 | Terog Manufacturing Co. | Bar stock degreasing machine |
| CN108704905A (en) * | 2018-05-23 | 2018-10-26 | 栾友祥 | A kind of automatic cleaning drying device of brake oil pipe of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10148999A1 (en) | 2003-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
| 18W | Application withdrawn |
Effective date: 20030802 |