ES489690A1 - Procedimiento para la limpieza de dispositivos compactores de residuos radioactivos - Google Patents

Procedimiento para la limpieza de dispositivos compactores de residuos radioactivos

Info

Publication number
ES489690A1
ES489690A1 ES489690A ES489690A ES489690A1 ES 489690 A1 ES489690 A1 ES 489690A1 ES 489690 A ES489690 A ES 489690A ES 489690 A ES489690 A ES 489690A ES 489690 A1 ES489690 A1 ES 489690A1
Authority
ES
Spain
Prior art keywords
bitumen
rinsing
solvent
volume amount
mixing devices
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.)
Expired
Application number
ES489690A
Other languages
English (en)
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.)
Kraftwerk Union AG
Original Assignee
Kraftwerk Union AG
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 Kraftwerk Union AG filed Critical Kraftwerk Union AG
Publication of ES489690A1 publication Critical patent/ES489690A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G21F9/28—Treating solids
    • G21F9/30—Processing
    • G21F9/301—Processing by fixation in stable solid media
    • G21F9/307—Processing by fixation in stable solid media in polymeric matrix, e.g. resins, tars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Accessories For Mixers (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

Procedimiento para la limpieza de dispositivos compactadores de residuos radioactivos, en betún caliente, en particular de extrusoras calentadas, con un tubo de eliminación de vapor y un orificio de distribución, caracterizado porque el dispositivo mezclador es lavado desde el tubo de eliminación de vapor hasta el orificio de distribución: 1.- con un disolvente para el betún en una cantidad que sea al menos tan grande como el volumen del dispositivo mezclador , 2.- se enjuaga con aproximadamente la misma cantidad de un medio de enjuague soluble en agua, miscible con el disolvente; 3.- se enjuaga con aproximadamente el doble de la cantidad de agua químicamente neutra (Deionat).
ES489690A 1979-03-19 1980-03-18 Procedimiento para la limpieza de dispositivos compactores de residuos radioactivos Expired ES489690A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2910708A DE2910708C2 (de) 1979-03-19 1979-03-19 Verfahren zum Reinigen einer Mischvorrichtung zum Einbetten radioaktiver Abfälle in erhitztes Bitumen

Publications (1)

Publication Number Publication Date
ES489690A1 true ES489690A1 (es) 1980-09-16

Family

ID=6065785

Family Applications (1)

Application Number Title Priority Date Filing Date
ES489690A Expired ES489690A1 (es) 1979-03-19 1980-03-18 Procedimiento para la limpieza de dispositivos compactores de residuos radioactivos

Country Status (7)

Country Link
US (1) US4311531A (es)
EP (1) EP0016462B1 (es)
JP (1) JPS55126899A (es)
BR (1) BR7908548A (es)
CA (1) CA1153672A (es)
DE (1) DE2910708C2 (es)
ES (1) ES489690A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222677A1 (de) * 1982-06-16 1983-12-22 Hitachi, Ltd., Tokyo Verfahren und einrichtung zur aufbereitung von radioaktivem abfall
US4569787A (en) * 1982-06-23 1986-02-11 Hitachi, Ltd. Process and apparatus for treating radioactive waste
US4661290A (en) * 1984-03-15 1987-04-28 Jgc Corporation Apparatus for compacting solid waste materials and its accessory facilities
DE4116580A1 (de) * 1991-05-21 1992-11-26 Henkel Kgaa Verwendung von fettsaeure-2-ethylhexylestern als kaltreinigungsmittel
RU2671243C1 (ru) * 2017-10-30 2018-10-30 Акционерное общество "Радиевый институт им. В.Г. Хлопина" Способ переработки битумно-солевых радиоактивных компаундов

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2356254A (en) * 1942-10-21 1944-08-22 Petrolite Corp Process for preventing and/or removing accumulation of solid matter in oil wells, pipelines, and flow lines
US2937112A (en) * 1955-06-20 1960-05-17 Albert J Boyer Method for removing paraffin from oil wells, lines, tanks, pumps and the like
US3436263A (en) * 1965-05-13 1969-04-01 Perolin Co Inc Method of cleaning large storage tanks for petroleum products
US3536529A (en) * 1966-05-25 1970-10-27 Exxon Research Engineering Co Tank cleaning operations
DE2361732C2 (de) * 1973-12-12 1982-09-09 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Schneckenwellen-Extruder zum Fixieren radioaktiver und/oder toxischer Abfallstoffe
US4058479A (en) * 1975-05-12 1977-11-15 Aerojet-General Corporation Filter-lined container for hazardous solids
US4033784A (en) * 1975-08-25 1977-07-05 Halliburton Company Method for dissolving asphaltic material
DE2613351C3 (de) * 1976-03-29 1982-03-25 Kraftwerk Union AG, 4330 Mülheim Verfahren zur chemischen Dekontamination von metallischen Bauteilen von Kernreaktoranlagen
DE2631326A1 (de) * 1976-07-12 1978-01-26 Kraftwerk Union Ag Verfahren zum einbinden fluessigkeitshaltiger radioaktiver abfallstoffe und knetvorrichtung dafuer

Also Published As

Publication number Publication date
BR7908548A (pt) 1980-12-09
EP0016462A1 (de) 1980-10-01
JPH0122920B2 (es) 1989-04-28
DE2910708A1 (de) 1980-09-25
DE2910708C2 (de) 1986-07-24
CA1153672A (en) 1983-09-13
EP0016462B1 (de) 1982-07-28
US4311531A (en) 1982-01-19
JPS55126899A (en) 1980-10-01

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