EP0164914A1 - Méthode de nettoyage par projection - Google Patents

Méthode de nettoyage par projection Download PDF

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Publication number
EP0164914A1
EP0164914A1 EP85303395A EP85303395A EP0164914A1 EP 0164914 A1 EP0164914 A1 EP 0164914A1 EP 85303395 A EP85303395 A EP 85303395A EP 85303395 A EP85303395 A EP 85303395A EP 0164914 A1 EP0164914 A1 EP 0164914A1
Authority
EP
European Patent Office
Prior art keywords
jet
cleaning operation
water
particulate material
liquid
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Withdrawn
Application number
EP85303395A
Other languages
German (de)
English (en)
Inventor
William Allison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
N.I.S. ENGINEERING LIMITED
Original Assignee
Nis Engineering Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nis Engineering Ltd filed Critical Nis Engineering Ltd
Publication of EP0164914A1 publication Critical patent/EP0164914A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086—Descaling; Removing coating films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2

Definitions

  • the present invention relates to jet cleaning operations.
  • the jet is a liquid jet and preferably the particulate material is a frozen material i.e. the solid phase of a material which would normally be in a different phase (e.g. liquid) at the temperature of the jet cleaning operation.
  • the liquid jet is most preferably a water jet and the frozen material incorporated therein is preferably ice.
  • the particulate material may be one which is soluble in the medium surrounding the jet.
  • the particulate material may be for example, salt or sugar alternatively, the particulate material may be a frozen gas, e.g. cardice.
  • the liquid jet is one which is submerged in a bath of the same liquid as the jet (preferably water) and is most preferably a cavitating jet, for example produced by the apparatus sold by N.I.S. Engineering Limited under the trade mark CAVALANCHE.
  • the particulate material acts as an abrasive to ass t the cleaning operation.
  • the material may then simply be allowed to change phase and may be disposed of as a liquid.
  • a jet head 1 for producing a cavitating jet is submerged in a bath of water 2.
  • a high velocity water stream is passed along a line 3 to the head 1 from which (due to the interior construction of the head) issues a cavitating jet 4.
  • a radioactive plate 5 to be descaled is located in the path of the jet 4.
  • a cylindrical cowl 7 Supported around the jet head 1 by individual struts 6 is a cylindrical cowl 7 communicating with a supply of particulate ice 8.
  • the hydrodynamic depression produced by the cavitating jet 4 causes particulate ice 8 to be drawn from the supply into the cowl 7 and become entrained in the jet 4. Ice is thus incorporated in the jet 4 directed against substrate 5 and assists in the cleaning operation. After striking plate 5, the ice 8 will simply melt into the water 2.
  • the melting of the ice in the bath 2 will cause the level thereof to rise. Though this will cause no problem in most instances, it is possible to obviate the volume increase. This can be achieved by using particulate material of a dissimilar nature to the tank liquor, e.g. a frozen gas, or a solid which will dissolve in the bath 2. For example, a frozen gas will turn to gas which in turn will rise through the host liquor and escape from the surface of that liquor. Typically, carbon dioxide ice (cardice) particules could be used in this instance, resulting in a fairly stable tank level.
  • particulate material of a dissimilar nature to the tank liquor e.g. a frozen gas, or a solid which will dissolve in the bath 2.
  • a frozen gas will turn to gas which in turn will rise through the host liquor and escape from the surface of that liquor.
  • carbon dioxide ice (cardice) particules could be used in this instance, resulting in a fairly stable tank level.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Detergent Compositions (AREA)
EP85303395A 1984-05-15 1985-05-14 Méthode de nettoyage par projection Withdrawn EP0164914A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08412382A GB2160130B (en) 1984-05-15 1984-05-15 Cleaning by abrasive jet
GB8412382 1984-05-15

Publications (1)

Publication Number Publication Date
EP0164914A1 true EP0164914A1 (fr) 1985-12-18

Family

ID=10560985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85303395A Withdrawn EP0164914A1 (fr) 1984-05-15 1985-05-14 Méthode de nettoyage par projection

Country Status (2)

Country Link
EP (1) EP0164914A1 (fr)
GB (1) GB2160130B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0316264A2 (fr) * 1987-11-11 1989-05-17 Werner & Zeisse GmbH & Co. Procédé et dispositif pour le dévernissage et l'enlèvement de couches de surfaces
EP0396226A2 (fr) * 1989-05-02 1990-11-07 ADM Agri-Industries, Ltd. Sable abrasif de polysaccharide vitreux
WO1992007691A1 (fr) * 1990-10-26 1992-05-14 Gec-Marconi Limited Appareil permettant d'enlever un materiau de surface par erosion sous l'eau
EP0921102A1 (fr) * 1997-12-05 1999-06-09 Carboxyque Française Dispositif de distribution de CO2 et procédés de traitement d'un effluent et de nettoyage de surface l'utilisant
US6159257A (en) * 1998-10-21 2000-12-12 Adm Agri-Industries, Ltd. Water-resistant, glass-like, polysaccharide abrasive grits and method of making same

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256642A (en) * 1963-11-07 1966-06-21 Rocco P Fonti Underwater sandblasting gun
US3323257A (en) * 1964-08-20 1967-06-06 Rocco P Fonti Systems for underwater sandblasting
DE2058766A1 (de) * 1970-11-30 1972-05-31 Siemens Ag Verfahren zur Reinigung von metallischen Oberflaechen,insbesondere radioaktiv verseuchten Oberflaechen
US3676963A (en) * 1971-03-08 1972-07-18 Chemotronics International Inc Method for the removal of unwanted portions of an article
US3702519A (en) * 1971-07-12 1972-11-14 Chemotronics International Inc Method for the removal of unwanted portions of an article by spraying with high velocity dry ice particles
GB1397102A (en) * 1972-03-22 1975-06-11 Carrier Drysys Ltd Abrasive treatment of a surface of a metal substrate
FR2285961A1 (fr) * 1974-09-27 1976-04-23 Lockheed Aircraft Corp Sablage a l'aide de granules de matieres capables de se sublimer
EP0025156A1 (fr) * 1979-08-22 1981-03-18 Myers-Europe Pumpen GmbH Procédé et installation pour traiter des surfaces avec un jet abrasif humide
FR2494160A1 (fr) * 1980-11-17 1982-05-21 Chausson Usines Sa Procede et dispositif pour le traitement d'objets par abrasion, notamment d'objets peints, et son application au traitement de depolissage de carrosseries de vehicules
US4389820A (en) * 1980-12-29 1983-06-28 Lockheed Corporation Blasting machine utilizing sublimable particles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB942182A (en) * 1959-01-23 1963-11-20 Unilever Ltd Removing flesh by shot blasting
US4065322A (en) * 1976-02-23 1977-12-27 General Electric Company Contamination removal method
GB1538433A (en) * 1976-04-23 1979-01-17 Long & Co Ltd A Wet abrasion blasting
GB2042399B (en) * 1979-01-15 1982-09-22 Boc Ltd Method and apparatus for penetrating a body of material or treating a surface

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256642A (en) * 1963-11-07 1966-06-21 Rocco P Fonti Underwater sandblasting gun
US3323257A (en) * 1964-08-20 1967-06-06 Rocco P Fonti Systems for underwater sandblasting
DE2058766A1 (de) * 1970-11-30 1972-05-31 Siemens Ag Verfahren zur Reinigung von metallischen Oberflaechen,insbesondere radioaktiv verseuchten Oberflaechen
US3676963A (en) * 1971-03-08 1972-07-18 Chemotronics International Inc Method for the removal of unwanted portions of an article
US3702519A (en) * 1971-07-12 1972-11-14 Chemotronics International Inc Method for the removal of unwanted portions of an article by spraying with high velocity dry ice particles
GB1397102A (en) * 1972-03-22 1975-06-11 Carrier Drysys Ltd Abrasive treatment of a surface of a metal substrate
FR2285961A1 (fr) * 1974-09-27 1976-04-23 Lockheed Aircraft Corp Sablage a l'aide de granules de matieres capables de se sublimer
EP0025156A1 (fr) * 1979-08-22 1981-03-18 Myers-Europe Pumpen GmbH Procédé et installation pour traiter des surfaces avec un jet abrasif humide
FR2494160A1 (fr) * 1980-11-17 1982-05-21 Chausson Usines Sa Procede et dispositif pour le traitement d'objets par abrasion, notamment d'objets peints, et son application au traitement de depolissage de carrosseries de vehicules
US4389820A (en) * 1980-12-29 1983-06-28 Lockheed Corporation Blasting machine utilizing sublimable particles

Non-Patent Citations (12)

* Cited by examiner, † Cited by third party
Title
MARINE WEEK, vol. 4, no. 6, 11th February 1977, page 13; "Soluble grit: new high pressure cleaning boon" *
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 203 (M-241)[1348], 8th September 1983; & JP-A-58 102 674 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 18-06-1983 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 120 (M-300)[1557], 6th June 1984; & JP-A-59 024 961 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 08-02-1984 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 2 (M-266)[1439], 7th January 1984; & JP-A-58 165 962 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 01-10-1983 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 80 (M-289[1517], 12th April 1984; & JP-A-58 223 563 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 26-12-1983 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 83 (M-290)[1520], 17th April 1984; & JP-A-59 001 165 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 06-01-1984 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 83 (M-290)[1520], 17th April 1984; & JP-A-59 001 166 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 06-01-1984 *
PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 120 (M-300)[1557], 6th June 1984; & JP - A - 59 24 961 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 08-02-1984 *
PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 2 (M-266)[1439], 7th January 1984; & JP - A - 58 165 962 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 01-10-1983 *
PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 80 (M-289[1517], 12th April 1984; & JP - A - 58 223 563 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 26-12-1983 *
PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 83 (M-290)[1520], 17th April 1984; & JP - A - 59 1165 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 06-01-1984 *
PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 83 (M-290)[1520], 17th April 1984; & JP - A - 59 1166 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 06-01-1984 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0316264A2 (fr) * 1987-11-11 1989-05-17 Werner & Zeisse GmbH & Co. Procédé et dispositif pour le dévernissage et l'enlèvement de couches de surfaces
EP0316264A3 (en) * 1987-11-11 1989-12-13 Howaldtswerke-Deutsche Werft Ag Method and device for stripping enamel and for removing layers from surfaces
EP0396226A2 (fr) * 1989-05-02 1990-11-07 ADM Agri-Industries, Ltd. Sable abrasif de polysaccharide vitreux
FR2646621A1 (fr) * 1989-05-02 1990-11-09 Ogilvie Flour Mills Co Ltd Polysaccharide analogue au verre, procede pour sa preparation et utilisation comme particules abrasives
EP0396226A3 (fr) * 1989-05-02 1991-12-27 ADM Agri-Industries, Ltd. Sable abrasif de polysaccharide vitreux
US5360903A (en) * 1989-05-02 1994-11-01 Adm Agri-Industries, Ltd. Glass-like polysaccharide abrasive grit
US5367068A (en) * 1989-05-02 1994-11-22 Adm Agri-Industries, Ltd. Glass-like polysaccharide abrasive grit
WO1992007691A1 (fr) * 1990-10-26 1992-05-14 Gec-Marconi Limited Appareil permettant d'enlever un materiau de surface par erosion sous l'eau
EP0921102A1 (fr) * 1997-12-05 1999-06-09 Carboxyque Française Dispositif de distribution de CO2 et procédés de traitement d'un effluent et de nettoyage de surface l'utilisant
FR2771953A1 (fr) * 1997-12-05 1999-06-11 Carboxyque Francaise Dispositif de distribution de co2 et procedes de traitement d'un effluent et de nettoyage de surface l'utilisant
US6159257A (en) * 1998-10-21 2000-12-12 Adm Agri-Industries, Ltd. Water-resistant, glass-like, polysaccharide abrasive grits and method of making same

Also Published As

Publication number Publication date
GB8412382D0 (en) 1984-06-20
GB2160130A (en) 1985-12-18
GB2160130B (en) 1987-07-08

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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 CH DE FR IT LI LU NL SE

17P Request for examination filed

Effective date: 19860617

17Q First examination report despatched

Effective date: 19870416

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: N.I.S. ENGINEERING LIMITED

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19880606

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ALLISON, WILLIAM