Apparatus for decontaminating radioactively contaminated surface

Details Apparatus for decontaminating radioactively contaminated surface Apparatus for decontaminating radioactively contaminated surface

1993-03-19

1994-09-13

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Impurity removal

376310, G21C 1942

Patent

active

053475577

ABSTRACT:
An apparatus decontaminates a radioactively contaminated surface region of a pipe, connector or vessel being open at one end, with a dry mechanical blasting medium. The apparatus includes a processing bell to be mounted on the open end of the pipe, connector or vessel. A flexible dustproof duct is connected to the processing bell. A retaining device protrudes into the duct and is movable from outside in the interior of the pipe, connector or vessel. A blasting head is disposed on the retaining device. A blasting system is connected to the blasting head and has a continuous circulation of the blasting medium.

REFERENCES:
patent: 4483205 (1984-11-01), Bellaiche et al.
patent: 4800063 (1989-01-01), Mierswa et al.
patent: 4867941 (1989-09-01), Le Dantec
patent: 4910823 (1990-03-01), Silverman
patent: 4959146 (1990-09-01), Kristan
patent: 4980120 (1990-12-01), Bowman et al.
"Oberflachenbehandlung mittels Strahlmitteln", Dipl.-Ing. ETH I. Horowitz, vol. 1, 1982.

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